summaryrefslogtreecommitdiff
path: root/xfa/src/fgas/layout
diff options
context:
space:
mode:
Diffstat (limited to 'xfa/src/fgas/layout')
-rw-r--r--xfa/src/fgas/layout/fgas_linebreak.cpp320
-rw-r--r--xfa/src/fgas/layout/fgas_linebreak.h40
-rw-r--r--xfa/src/fgas/layout/fgas_rtfbreak.cpp1691
-rw-r--r--xfa/src/fgas/layout/fgas_rtfbreak.h237
-rw-r--r--xfa/src/fgas/layout/fgas_textbreak.cpp1824
-rw-r--r--xfa/src/fgas/layout/fgas_textbreak.h222
-rw-r--r--xfa/src/fgas/layout/fgas_unicode.cpp117
-rw-r--r--xfa/src/fgas/layout/fgas_unicode.h47
8 files changed, 4498 insertions, 0 deletions
diff --git a/xfa/src/fgas/layout/fgas_linebreak.cpp b/xfa/src/fgas/layout/fgas_linebreak.cpp
new file mode 100644
index 0000000000..b43b8007b4
--- /dev/null
+++ b/xfa/src/fgas/layout/fgas_linebreak.cpp
@@ -0,0 +1,320 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/src/fgas/layout/fgas_linebreak.h"
+
+#include "core/include/fxcrt/fx_ucd.h"
+
+const FX_LINEBREAKTYPE gs_FX_LineBreak_PairTable[64][32] = {
+ {FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBPB, FX_LBPB, FX_LBPB, FX_LBCP, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBPB, FX_LBPB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBIB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBPB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBIB, FX_LBIB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBIB, FX_LBIB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBIB, FX_LBIB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBPB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBIB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBIB, FX_LBIB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBIB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBIB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBIB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBIB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBDB, FX_LBPB, FX_LBPB, FX_LBPB, FX_LBDB, FX_LBPB,
+ FX_LBDB, FX_LBIB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBPB, FX_LBPB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBPB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBDB, FX_LBPB, FX_LBIB, FX_LBDB, FX_LBIB, FX_LBPB, FX_LBPB, FX_LBPB,
+ FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBDB, FX_LBIB, FX_LBIB,
+ FX_LBDB, FX_LBDB, FX_LBPB, FX_LBCB, FX_LBPB, FX_LBDB, FX_LBDB, FX_LBDB,
+ FX_LBDB, FX_LBDB, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+ {FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN,
+ FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN, FX_LBUN},
+};
+
+void FX_GetLineBreakPositions(const FX_WCHAR* pwsText,
+ FX_LINEBREAKTYPE* pBrkType,
+ int32_t iLength) {
+ if (iLength < 2) {
+ return;
+ }
+ FX_DWORD dwCur, dwNext;
+ FX_WCHAR wch;
+ wch = *pwsText++;
+ dwCur = kTextLayoutCodeProperties[(FX_WORD)wch] & 0x003F;
+ iLength--;
+ for (int32_t i = 0; i < iLength; i++) {
+ wch = *pwsText++;
+ dwNext = kTextLayoutCodeProperties[(FX_WORD)wch] & 0x003F;
+ if (dwNext == FX_CBP_SP) {
+ pBrkType[i] = FX_LBT_PROHIBITED_BRK;
+ } else {
+ pBrkType[i] = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
+ (dwCur << 5) + dwNext);
+ }
+ dwCur = dwNext;
+ }
+ pBrkType[iLength] = FX_LBT_INDIRECT_BRK;
+}
+void FX_GetLineBreakPositions(const FX_WCHAR* pwsText,
+ int32_t iLength,
+ CFX_Int32MassArray& bp) {
+ if (iLength < 2) {
+ return;
+ }
+ FX_LINEBREAKTYPE eType;
+ FX_DWORD dwCur, dwNext;
+ FX_WCHAR wch;
+ wch = *pwsText++;
+ dwCur = kTextLayoutCodeProperties[(FX_WORD)wch] & 0x003F;
+ iLength--;
+ for (int32_t i = 0; i < iLength; i++) {
+ wch = *pwsText++;
+ dwNext = kTextLayoutCodeProperties[(FX_WORD)wch] & 0x003F;
+ if (dwNext == FX_CBP_SP) {
+ eType = FX_LBT_PROHIBITED_BRK;
+ } else {
+ eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
+ (dwCur << 5) + dwNext);
+ }
+ if (eType == FX_LBT_DIRECT_BRK) {
+ bp.Add(i);
+ }
+ dwCur = dwNext;
+ }
+}
diff --git a/xfa/src/fgas/layout/fgas_linebreak.h b/xfa/src/fgas/layout/fgas_linebreak.h
new file mode 100644
index 0000000000..7b91124bc2
--- /dev/null
+++ b/xfa/src/fgas/layout/fgas_linebreak.h
@@ -0,0 +1,40 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_SRC_FGAS_LAYOUT_FGAS_LINEBREAK_H_
+#define XFA_SRC_FGAS_LAYOUT_FGAS_LINEBREAK_H_
+
+#include "core/include/fxcrt/fx_system.h"
+#include "xfa/src/fgas/crt/fgas_utils.h"
+
+enum FX_LINEBREAKTYPE {
+ FX_LBT_UNKNOWN = 0x00,
+ FX_LBT_DIRECT_BRK = 0x1A,
+ FX_LBT_INDIRECT_BRK = 0x2B,
+ FX_LBT_COM_INDIRECT_BRK = 0x3C,
+ FX_LBT_COM_PROHIBITED_BRK = 0x4D,
+ FX_LBT_PROHIBITED_BRK = 0x5E,
+ FX_LBT_HANGUL_SPACE_BRK = 0x6F,
+};
+
+#define FX_LBUN FX_LBT_UNKNOWN
+#define FX_LBDB FX_LBT_DIRECT_BRK
+#define FX_LBIB FX_LBT_INDIRECT_BRK
+#define FX_LBCB FX_LBT_COM_INDIRECT_BRK
+#define FX_LBCP FX_LBT_COM_PROHIBITED_BRK
+#define FX_LBPB FX_LBT_PROHIBITED_BRK
+#define FX_LBHS FX_LBT_HANGUL_SPACE_BRK
+
+extern const FX_LINEBREAKTYPE gs_FX_LineBreak_PairTable[64][32];
+
+void FX_GetLineBreakPositions(const FX_WCHAR* pwsText,
+ FX_LINEBREAKTYPE* pBrkType,
+ int32_t iLength);
+void FX_GetLineBreakPositions(const FX_WCHAR* pwsText,
+ int32_t iLength,
+ CFX_Int32MassArray& bp);
+
+#endif // XFA_SRC_FGAS_LAYOUT_FGAS_LINEBREAK_H_
diff --git a/xfa/src/fgas/layout/fgas_rtfbreak.cpp b/xfa/src/fgas/layout/fgas_rtfbreak.cpp
new file mode 100644
index 0000000000..7e4ab4c08c
--- /dev/null
+++ b/xfa/src/fgas/layout/fgas_rtfbreak.cpp
@@ -0,0 +1,1691 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/src/fgas/layout/fgas_rtfbreak.h"
+
+#include <algorithm>
+
+#include "core/include/fxcrt/fx_arb.h"
+#include "xfa/src/fgas/layout/fgas_linebreak.h"
+#include "xfa/src/fgas/layout/fgas_unicode.h"
+
+namespace {
+
+class CFX_RTFLine {
+ public:
+ CFX_RTFLine()
+ : m_LinePieces(16),
+ m_iStart(0),
+ m_iWidth(0),
+ m_iArabicChars(0),
+ m_iMBCSChars(0) {}
+ ~CFX_RTFLine() { RemoveAll(); }
+ int32_t CountChars() const { return m_LineChars.GetSize(); }
+ CFX_RTFChar& GetChar(int32_t index) {
+ FXSYS_assert(index > -1 && index < m_LineChars.GetSize());
+ return *m_LineChars.GetDataPtr(index);
+ }
+ CFX_RTFChar* GetCharPtr(int32_t index) {
+ FXSYS_assert(index > -1 && index < m_LineChars.GetSize());
+ return m_LineChars.GetDataPtr(index);
+ }
+ int32_t CountPieces() const { return m_LinePieces.GetSize(); }
+ CFX_RTFPiece& GetPiece(int32_t index) const {
+ FXSYS_assert(index > -1 && index < m_LinePieces.GetSize());
+ return m_LinePieces.GetAt(index);
+ }
+ CFX_RTFPiece* GetPiecePtr(int32_t index) const {
+ FXSYS_assert(index > -1 && index < m_LinePieces.GetSize());
+ return m_LinePieces.GetPtrAt(index);
+ }
+ int32_t GetLineEnd() const { return m_iStart + m_iWidth; }
+ void RemoveAll(FX_BOOL bLeaveMemory = FALSE) {
+ CFX_RTFChar* pChar;
+ IFX_Unknown* pUnknown;
+ int32_t iCount = m_LineChars.GetSize();
+ for (int32_t i = 0; i < iCount; i++) {
+ pChar = m_LineChars.GetDataPtr(i);
+ if ((pUnknown = pChar->m_pUserData) != NULL) {
+ pUnknown->Release();
+ }
+ }
+ m_LineChars.RemoveAll();
+ m_LinePieces.RemoveAll(bLeaveMemory);
+ m_iWidth = 0;
+ m_iArabicChars = 0;
+ m_iMBCSChars = 0;
+ }
+ CFX_RTFCharArray m_LineChars;
+ CFX_RTFPieceArray m_LinePieces;
+ int32_t m_iStart;
+ int32_t m_iWidth;
+ int32_t m_iArabicChars;
+ int32_t m_iMBCSChars;
+};
+
+class CFX_RTFBreak : public IFX_RTFBreak {
+ public:
+ CFX_RTFBreak(FX_DWORD dwPolicies);
+ ~CFX_RTFBreak();
+ void Release() override { delete this; }
+ void SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) override;
+ void SetLineStartPos(FX_FLOAT fLinePos) override;
+ FX_DWORD GetLayoutStyles() const override { return m_dwLayoutStyles; }
+ void SetLayoutStyles(FX_DWORD dwLayoutStyles) override;
+ void SetFont(IFX_Font* pFont) override;
+ void SetFontSize(FX_FLOAT fFontSize) override;
+ void SetTabWidth(FX_FLOAT fTabWidth) override;
+ void AddPositionedTab(FX_FLOAT fTabPos) override;
+ void SetPositionedTabs(const CFX_FloatArray& tabs) override;
+ void ClearPositionedTabs() override;
+ void SetDefaultChar(FX_WCHAR wch) override;
+ void SetLineBreakChar(FX_WCHAR wch) override;
+ void SetLineBreakTolerance(FX_FLOAT fTolerance) override;
+ void SetHorizontalScale(int32_t iScale) override;
+ void SetVerticalScale(int32_t iScale) override;
+ void SetCharRotation(int32_t iCharRotation) override;
+ void SetCharSpace(FX_FLOAT fCharSpace) override;
+ void SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) override;
+ void SetReadingOrder(FX_BOOL bRTL = FALSE) override;
+ void SetAlignment(int32_t iAlignment = FX_RTFLINEALIGNMENT_Left) override;
+ void SetUserData(IFX_Unknown* pUserData) override;
+ FX_DWORD AppendChar(FX_WCHAR wch) override;
+ FX_DWORD EndBreak(FX_DWORD dwStatus = FX_RTFBREAK_PieceBreak) override;
+ int32_t CountBreakPieces() const override;
+ const CFX_RTFPiece* GetBreakPiece(int32_t index) const override;
+ void GetLineRect(CFX_RectF& rect) const override;
+ void ClearBreakPieces() override;
+ void Reset() override;
+ int32_t GetDisplayPos(
+ const FX_RTFTEXTOBJ* pText,
+ FXTEXT_CHARPOS* pCharPos,
+ FX_BOOL bCharCode = FALSE,
+ CFX_WideString* pWSForms = NULL,
+ FX_AdjustCharDisplayPos pAdjustPos = NULL) const override;
+ int32_t GetCharRects(const FX_RTFTEXTOBJ* pText,
+ CFX_RectFArray& rtArray,
+ FX_BOOL bCharBBox = FALSE) const override;
+ FX_DWORD AppendChar_CharCode(FX_WCHAR wch);
+ FX_DWORD AppendChar_Combination(CFX_RTFChar* pCurChar, int32_t iRotation);
+ FX_DWORD AppendChar_Tab(CFX_RTFChar* pCurChar, int32_t iRotation);
+ FX_DWORD AppendChar_Control(CFX_RTFChar* pCurChar, int32_t iRotation);
+ FX_DWORD AppendChar_Arabic(CFX_RTFChar* pCurChar, int32_t iRotation);
+ FX_DWORD AppendChar_Others(CFX_RTFChar* pCurChar, int32_t iRotation);
+
+ protected:
+ FX_DWORD m_dwPolicies;
+ IFX_ArabicChar* m_pArabicChar;
+ int32_t m_iBoundaryStart;
+ int32_t m_iBoundaryEnd;
+ FX_DWORD m_dwLayoutStyles;
+ FX_BOOL m_bPagination;
+ FX_BOOL m_bVertical;
+ FX_BOOL m_bSingleLine;
+ FX_BOOL m_bCharCode;
+ IFX_Font* m_pFont;
+ int32_t m_iFontHeight;
+ int32_t m_iFontSize;
+ int32_t m_iTabWidth;
+ CFX_Int32Array m_PositionedTabs;
+ FX_BOOL m_bOrphanLine;
+ FX_WCHAR m_wDefChar;
+ int32_t m_iDefChar;
+ FX_WCHAR m_wLineBreakChar;
+ int32_t m_iHorizontalScale;
+ int32_t m_iVerticalScale;
+ int32_t m_iLineRotation;
+ int32_t m_iCharRotation;
+ int32_t m_iRotation;
+ int32_t m_iCharSpace;
+ FX_BOOL m_bWordSpace;
+ int32_t m_iWordSpace;
+ FX_BOOL m_bRTL;
+ int32_t m_iAlignment;
+ IFX_Unknown* m_pUserData;
+ FX_DWORD m_dwCharType;
+ FX_DWORD m_dwIdentity;
+ CFX_RTFLine m_RTFLine1;
+ CFX_RTFLine m_RTFLine2;
+ CFX_RTFLine* m_pCurLine;
+ int32_t m_iReady;
+ int32_t m_iTolerance;
+ int32_t GetLineRotation(FX_DWORD dwStyles) const;
+ void SetBreakStatus();
+ CFX_RTFChar* GetLastChar(int32_t index) const;
+ CFX_RTFLine* GetRTFLine(FX_BOOL bReady) const;
+ CFX_RTFPieceArray* GetRTFPieces(FX_BOOL bReady) const;
+ FX_DWORD GetUnifiedCharType(FX_DWORD dwType) const;
+ int32_t GetLastPositionedTab() const;
+ FX_BOOL GetPositionedTab(int32_t& iTabPos) const;
+ int32_t GetBreakPos(CFX_RTFCharArray& tca,
+ int32_t& iEndPos,
+ FX_BOOL bAllChars = FALSE,
+ FX_BOOL bOnlyBrk = FALSE);
+ void SplitTextLine(CFX_RTFLine* pCurLine,
+ CFX_RTFLine* pNextLine,
+ FX_BOOL bAllChars = FALSE);
+ FX_BOOL EndBreak_SplitLine(CFX_RTFLine* pNextLine,
+ FX_BOOL bAllChars,
+ FX_DWORD dwStatus);
+ void EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus);
+ void EndBreak_Alignment(CFX_TPOArray& tpos,
+ FX_BOOL bAllChars,
+ FX_DWORD dwStatus);
+};
+
+} // namespace
+
+IFX_RTFBreak* IFX_RTFBreak::Create(FX_DWORD dwPolicies) {
+ return new CFX_RTFBreak(dwPolicies);
+}
+CFX_RTFBreak::CFX_RTFBreak(FX_DWORD dwPolicies)
+ : m_dwPolicies(dwPolicies),
+ m_pArabicChar(NULL),
+ m_iBoundaryStart(0),
+ m_iBoundaryEnd(2000000),
+ m_dwLayoutStyles(0),
+ m_bPagination(FALSE),
+ m_bVertical(FALSE),
+ m_bSingleLine(FALSE),
+ m_bCharCode(FALSE),
+ m_pFont(NULL),
+ m_iFontHeight(240),
+ m_iFontSize(240),
+ m_iTabWidth(720000),
+ m_PositionedTabs(),
+ m_bOrphanLine(FALSE),
+ m_wDefChar(0xFEFF),
+ m_iDefChar(0),
+ m_wLineBreakChar(L'\n'),
+ m_iHorizontalScale(100),
+ m_iVerticalScale(100),
+ m_iLineRotation(0),
+ m_iCharRotation(0),
+ m_iRotation(0),
+ m_iCharSpace(0),
+ m_bWordSpace(FALSE),
+ m_iWordSpace(0),
+ m_bRTL(FALSE),
+ m_iAlignment(FX_RTFLINEALIGNMENT_Left),
+ m_pUserData(NULL),
+ m_dwCharType(0),
+ m_dwIdentity(0),
+ m_RTFLine1(),
+ m_RTFLine2(),
+ m_pCurLine(NULL),
+ m_iReady(0),
+ m_iTolerance(0) {
+ m_pArabicChar = IFX_ArabicChar::Create();
+ m_pCurLine = &m_RTFLine1;
+}
+CFX_RTFBreak::~CFX_RTFBreak() {
+ Reset();
+ m_PositionedTabs.RemoveAll();
+ m_pArabicChar->Release();
+ if (m_pUserData != NULL) {
+ m_pUserData->Release();
+ }
+}
+void CFX_RTFBreak::SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) {
+ if (fLineStart > fLineEnd)
+ return;
+ m_iBoundaryStart = FXSYS_round(fLineStart * 20000.0f);
+ m_iBoundaryEnd = FXSYS_round(fLineEnd * 20000.0f);
+ m_pCurLine->m_iStart = std::min(m_pCurLine->m_iStart, m_iBoundaryEnd);
+ m_pCurLine->m_iStart = std::max(m_pCurLine->m_iStart, m_iBoundaryStart);
+}
+void CFX_RTFBreak::SetLineStartPos(FX_FLOAT fLinePos) {
+ int32_t iLinePos = FXSYS_round(fLinePos * 20000.0f);
+ iLinePos = std::min(iLinePos, m_iBoundaryEnd);
+ iLinePos = std::max(iLinePos, m_iBoundaryStart);
+ m_pCurLine->m_iStart = iLinePos;
+}
+void CFX_RTFBreak::SetLayoutStyles(FX_DWORD dwLayoutStyles) {
+ if (m_dwLayoutStyles == dwLayoutStyles) {
+ return;
+ }
+ SetBreakStatus();
+ m_dwLayoutStyles = dwLayoutStyles;
+ m_bPagination = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_Pagination) != 0;
+ m_bVertical = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_VerticalChars) != 0;
+ m_bSingleLine = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_SingleLine) != 0;
+ m_bCharCode = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_MBCSCode) != 0;
+ m_iLineRotation = GetLineRotation(m_dwLayoutStyles);
+ m_iRotation = m_iLineRotation + m_iCharRotation;
+ m_iRotation %= 4;
+}
+void CFX_RTFBreak::SetFont(IFX_Font* pFont) {
+ if (pFont == NULL) {
+ return;
+ }
+ if (m_pFont == pFont) {
+ return;
+ }
+ SetBreakStatus();
+ m_pFont = pFont;
+ m_iDefChar = 0;
+ if (m_pFont != NULL) {
+ m_iFontHeight = m_iFontSize;
+ if (m_wDefChar != 0xFEFF) {
+ m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
+ m_iDefChar *= m_iFontSize;
+ }
+ }
+}
+void CFX_RTFBreak::SetFontSize(FX_FLOAT fFontSize) {
+ int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
+ if (m_iFontSize == iFontSize) {
+ return;
+ }
+ SetBreakStatus();
+ m_iFontSize = iFontSize;
+ m_iDefChar = 0;
+ if (m_pFont != NULL) {
+ m_iFontHeight = m_iFontSize;
+ if (m_wDefChar != 0xFEFF) {
+ m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
+ m_iDefChar *= m_iFontSize;
+ }
+ }
+}
+void CFX_RTFBreak::SetTabWidth(FX_FLOAT fTabWidth) {
+ m_iTabWidth = FXSYS_round(fTabWidth * 20000.0f);
+}
+void CFX_RTFBreak::AddPositionedTab(FX_FLOAT fTabPos) {
+ int32_t iLineEnd = m_iBoundaryEnd;
+ int32_t iTabPos = FXSYS_round(fTabPos * 20000.0f) + m_iBoundaryStart;
+ if (iTabPos > iLineEnd) {
+ iTabPos = iLineEnd;
+ }
+ if (m_PositionedTabs.Find(iTabPos, 0) > -1) {
+ return;
+ }
+ int32_t iCount = m_PositionedTabs.GetSize();
+ int32_t iFind = 0;
+ for (; iFind < iCount; iFind++) {
+ if (m_PositionedTabs[iFind] > iTabPos) {
+ break;
+ }
+ }
+ m_PositionedTabs.InsertAt(iFind, iTabPos);
+ if (m_dwPolicies & FX_RTFBREAKPOLICY_OrphanPositionedTab) {
+ m_bOrphanLine = GetLastPositionedTab() >= iLineEnd;
+ } else {
+ m_bOrphanLine = FALSE;
+ }
+}
+void CFX_RTFBreak::SetPositionedTabs(const CFX_FloatArray& tabs) {
+ m_PositionedTabs.RemoveAll();
+ int32_t iCount = tabs.GetSize();
+ m_PositionedTabs.SetSize(iCount);
+ int32_t iLineEnd = m_iBoundaryEnd;
+ int32_t iTabPos;
+ for (int32_t i = 0; i < iCount; i++) {
+ iTabPos = FXSYS_round(tabs[i] * 20000.0f) + m_iBoundaryStart;
+ if (iTabPos > iLineEnd) {
+ iTabPos = iLineEnd;
+ }
+ m_PositionedTabs[i] = iTabPos;
+ }
+ if (m_dwPolicies & FX_RTFBREAKPOLICY_OrphanPositionedTab) {
+ m_bOrphanLine = GetLastPositionedTab() >= iLineEnd;
+ } else {
+ m_bOrphanLine = FALSE;
+ }
+}
+void CFX_RTFBreak::ClearPositionedTabs() {
+ m_PositionedTabs.RemoveAll();
+ m_bOrphanLine = FALSE;
+}
+void CFX_RTFBreak::SetDefaultChar(FX_WCHAR wch) {
+ m_wDefChar = wch;
+ m_iDefChar = 0;
+ if (m_wDefChar != 0xFEFF && m_pFont != NULL) {
+ m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
+ if (m_iDefChar < 0) {
+ m_iDefChar = 0;
+ } else {
+ m_iDefChar *= m_iFontSize;
+ }
+ }
+}
+void CFX_RTFBreak::SetLineBreakChar(FX_WCHAR wch) {
+ if (wch != L'\r' && wch != L'\n') {
+ return;
+ }
+ m_wLineBreakChar = wch;
+}
+void CFX_RTFBreak::SetLineBreakTolerance(FX_FLOAT fTolerance) {
+ m_iTolerance = FXSYS_round(fTolerance * 20000.0f);
+}
+void CFX_RTFBreak::SetHorizontalScale(int32_t iScale) {
+ if (iScale < 0) {
+ iScale = 0;
+ }
+ if (m_iHorizontalScale == iScale) {
+ return;
+ }
+ SetBreakStatus();
+ m_iHorizontalScale = iScale;
+}
+void CFX_RTFBreak::SetVerticalScale(int32_t iScale) {
+ if (iScale < 0) {
+ iScale = 0;
+ }
+ if (m_iVerticalScale == iScale) {
+ return;
+ }
+ SetBreakStatus();
+ m_iVerticalScale = iScale;
+}
+void CFX_RTFBreak::SetCharRotation(int32_t iCharRotation) {
+ if (iCharRotation < 0) {
+ iCharRotation += (-iCharRotation / 4 + 1) * 4;
+ } else if (iCharRotation > 3) {
+ iCharRotation -= (iCharRotation / 4) * 4;
+ }
+ if (m_iCharRotation == iCharRotation) {
+ return;
+ }
+ SetBreakStatus();
+ m_iCharRotation = iCharRotation;
+ m_iRotation = m_iLineRotation + m_iCharRotation;
+ m_iRotation %= 4;
+}
+void CFX_RTFBreak::SetCharSpace(FX_FLOAT fCharSpace) {
+ m_iCharSpace = FXSYS_round(fCharSpace * 20000.0f);
+}
+void CFX_RTFBreak::SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) {
+ m_bWordSpace = !bDefault;
+ m_iWordSpace = FXSYS_round(fWordSpace * 20000.0f);
+}
+void CFX_RTFBreak::SetReadingOrder(FX_BOOL bRTL) {
+ m_bRTL = bRTL;
+}
+void CFX_RTFBreak::SetAlignment(int32_t iAlignment) {
+ FXSYS_assert(iAlignment >= FX_RTFLINEALIGNMENT_Left &&
+ iAlignment <= FX_RTFLINEALIGNMENT_Distributed);
+ m_iAlignment = iAlignment;
+}
+void CFX_RTFBreak::SetUserData(IFX_Unknown* pUserData) {
+ if (m_pUserData == pUserData) {
+ return;
+ }
+ SetBreakStatus();
+ if (m_pUserData != NULL) {
+ m_pUserData->Release();
+ }
+ m_pUserData = pUserData;
+ if (m_pUserData != NULL) {
+ m_pUserData->AddRef();
+ }
+}
+static const int32_t gs_FX_RTFLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2};
+int32_t CFX_RTFBreak::GetLineRotation(FX_DWORD dwStyles) const {
+ return gs_FX_RTFLineRotations[(dwStyles & 0x0E) >> 1];
+}
+void CFX_RTFBreak::SetBreakStatus() {
+ m_dwIdentity++;
+ int32_t iCount = m_pCurLine->CountChars();
+ if (iCount < 1) {
+ return;
+ }
+ CFX_RTFChar& tc = m_pCurLine->GetChar(iCount - 1);
+ if (tc.m_dwStatus == 0) {
+ tc.m_dwStatus = FX_RTFBREAK_PieceBreak;
+ }
+}
+CFX_RTFChar* CFX_RTFBreak::GetLastChar(int32_t index) const {
+ CFX_RTFCharArray& tca = m_pCurLine->m_LineChars;
+ int32_t iCount = tca.GetSize();
+ if (index < 0 || index >= iCount) {
+ return NULL;
+ }
+ CFX_RTFChar* pTC;
+ int32_t iStart = iCount - 1;
+ while (iStart > -1) {
+ pTC = tca.GetDataPtr(iStart--);
+ if (pTC->m_iCharWidth >= 0 ||
+ pTC->GetCharType() != FX_CHARTYPE_Combination) {
+ if (--index < 0) {
+ return pTC;
+ }
+ }
+ }
+ return NULL;
+}
+CFX_RTFLine* CFX_RTFBreak::GetRTFLine(FX_BOOL bReady) const {
+ if (bReady) {
+ if (m_iReady == 1) {
+ return (CFX_RTFLine*)&m_RTFLine1;
+ } else if (m_iReady == 2) {
+ return (CFX_RTFLine*)&m_RTFLine2;
+ } else {
+ return NULL;
+ }
+ }
+ FXSYS_assert(m_pCurLine != NULL);
+ return m_pCurLine;
+}
+CFX_RTFPieceArray* CFX_RTFBreak::GetRTFPieces(FX_BOOL bReady) const {
+ CFX_RTFLine* pRTFLine = GetRTFLine(bReady);
+ if (pRTFLine == NULL) {
+ return NULL;
+ }
+ return &pRTFLine->m_LinePieces;
+}
+inline FX_DWORD CFX_RTFBreak::GetUnifiedCharType(FX_DWORD dwType) const {
+ return dwType >= FX_CHARTYPE_ArabicAlef ? FX_CHARTYPE_Arabic : dwType;
+}
+int32_t CFX_RTFBreak::GetLastPositionedTab() const {
+ int32_t iCount = m_PositionedTabs.GetSize();
+ if (iCount < 1) {
+ return m_iBoundaryStart;
+ }
+ return m_PositionedTabs[iCount - 1];
+}
+FX_BOOL CFX_RTFBreak::GetPositionedTab(int32_t& iTabPos) const {
+ int32_t iCount = m_PositionedTabs.GetSize();
+ for (int32_t i = 0; i < iCount; i++) {
+ if (m_PositionedTabs[i] > iTabPos) {
+ iTabPos = m_PositionedTabs[i];
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+typedef FX_DWORD (CFX_RTFBreak::*FX_RTFBreak_LPFAppendChar)(
+ CFX_RTFChar* pCurChar,
+ int32_t iRotation);
+static const FX_RTFBreak_LPFAppendChar g_FX_RTFBreak_lpfAppendChar[16] = {
+ &CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Tab,
+ &CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Control,
+ &CFX_RTFBreak::AppendChar_Combination, &CFX_RTFBreak::AppendChar_Others,
+ &CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Arabic,
+ &CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Arabic,
+ &CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Arabic,
+ &CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Others,
+ &CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Others,
+};
+FX_DWORD CFX_RTFBreak::AppendChar(FX_WCHAR wch) {
+ FXSYS_assert(m_pFont != NULL && m_pCurLine != NULL && m_pArabicChar != NULL);
+ if (m_bCharCode) {
+ return AppendChar_CharCode(wch);
+ }
+ FX_DWORD dwProps = kTextLayoutCodeProperties[(FX_WORD)wch];
+ FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK);
+ CFX_RTFCharArray& tca = m_pCurLine->m_LineChars;
+ CFX_RTFChar* pCurChar = tca.AddSpace();
+ pCurChar->m_dwStatus = 0;
+ pCurChar->m_wCharCode = wch;
+ pCurChar->m_dwCharProps = dwProps;
+ pCurChar->m_dwCharStyles = 0;
+ pCurChar->m_dwLayoutStyles = 0;
+ pCurChar->m_iFontSize = m_iFontSize;
+ pCurChar->m_iFontHeight = m_iFontHeight;
+ pCurChar->m_iHorizontalScale = m_iHorizontalScale;
+ pCurChar->m_iVertialScale = m_iVerticalScale;
+ pCurChar->m_nRotation = m_iCharRotation;
+ pCurChar->m_iCharWidth = 0;
+ pCurChar->m_dwIdentity = m_dwIdentity;
+ if (m_pUserData != NULL) {
+ m_pUserData->AddRef();
+ }
+ pCurChar->m_pUserData = m_pUserData;
+ FX_DWORD dwRet1 = FX_RTFBREAK_None;
+ if (dwType != FX_CHARTYPE_Combination &&
+ GetUnifiedCharType(m_dwCharType) != GetUnifiedCharType(dwType)) {
+ if (!m_bSingleLine && !m_bOrphanLine && m_dwCharType > 0 &&
+ m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
+ if (m_dwCharType != FX_CHARTYPE_Space || dwType != FX_CHARTYPE_Control) {
+ dwRet1 = EndBreak(FX_RTFBREAK_LineBreak);
+ int32_t iCount = m_pCurLine->CountChars();
+ if (iCount > 0) {
+ pCurChar = m_pCurLine->m_LineChars.GetDataPtr(iCount - 1);
+ }
+ }
+ }
+ }
+ int32_t iRotation = m_iRotation;
+ if (m_bVertical && (dwProps & 0x8000) != 0) {
+ iRotation = (iRotation + 1) % 4;
+ }
+ FX_DWORD dwRet2 =
+ (this->*g_FX_RTFBreak_lpfAppendChar[dwType >> FX_CHARTYPEBITS])(
+ pCurChar, iRotation);
+ m_dwCharType = dwType;
+ return std::max(dwRet1, dwRet2);
+}
+FX_DWORD CFX_RTFBreak::AppendChar_CharCode(FX_WCHAR wch) {
+ FXSYS_assert(m_pFont != NULL && m_pCurLine != NULL);
+ FXSYS_assert(m_bCharCode);
+ m_pCurLine->m_iMBCSChars++;
+ CFX_RTFCharArray& tca = m_pCurLine->m_LineChars;
+ CFX_RTFChar* pCurChar = tca.AddSpace();
+ pCurChar->m_dwStatus = 0;
+ pCurChar->m_wCharCode = wch;
+ pCurChar->m_dwCharProps = 0;
+ pCurChar->m_dwCharStyles = 0;
+ pCurChar->m_dwLayoutStyles = m_dwLayoutStyles;
+ pCurChar->m_iFontSize = m_iFontSize;
+ pCurChar->m_iFontHeight = m_iFontHeight;
+ pCurChar->m_iHorizontalScale = m_iHorizontalScale;
+ pCurChar->m_iVertialScale = m_iVerticalScale;
+ pCurChar->m_nRotation = m_iCharRotation;
+ pCurChar->m_iCharWidth = 0;
+ pCurChar->m_dwIdentity = m_dwIdentity;
+ if (m_pUserData != NULL) {
+ m_pUserData->AddRef();
+ }
+ pCurChar->m_pUserData = m_pUserData;
+ int32_t iCharWidth = 0;
+ if (m_bVertical != FX_IsOdd(m_iRotation)) {
+ iCharWidth = 1000;
+ } else {
+ if (!m_pFont->GetCharWidth(wch, iCharWidth, TRUE)) {
+ iCharWidth = m_iDefChar;
+ }
+ }
+ iCharWidth *= m_iFontSize;
+ iCharWidth = iCharWidth * m_iHorizontalScale / 100;
+ iCharWidth += m_iCharSpace;
+ pCurChar->m_iCharWidth = iCharWidth;
+ m_pCurLine->m_iWidth += iCharWidth;
+ m_dwCharType = 0;
+ if (!m_bSingleLine &&
+ m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
+ return EndBreak(FX_RTFBREAK_LineBreak);
+ }
+ return FX_RTFBREAK_None;
+}
+FX_DWORD CFX_RTFBreak::AppendChar_Combination(CFX_RTFChar* pCurChar,
+ int32_t iRotation) {
+ int32_t iCharWidth = 0;
+ if (m_bVertical != FX_IsOdd(iRotation)) {
+ iCharWidth = 1000;
+ } else {
+ if (!m_pFont->GetCharWidth(pCurChar->m_wCharCode, iCharWidth,
+ m_bCharCode)) {
+ iCharWidth = 0;
+ }
+ }
+ iCharWidth *= m_iFontSize;
+ iCharWidth = iCharWidth * m_iHorizontalScale / 100;
+ CFX_RTFChar* pLastChar = GetLastChar(0);
+ if (pLastChar != NULL && pLastChar->GetCharType() > FX_CHARTYPE_Combination) {
+ iCharWidth = -iCharWidth;
+ } else {
+ m_dwCharType = FX_CHARTYPE_Combination;
+ }
+ pCurChar->m_iCharWidth = iCharWidth;
+ if (iCharWidth > 0) {
+ m_pCurLine->m_iWidth += iCharWidth;
+ }
+ return FX_RTFBREAK_None;
+}
+FX_DWORD CFX_RTFBreak::AppendChar_Tab(CFX_RTFChar* pCurChar,
+ int32_t iRotation) {
+ if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ExpandTab) {
+ FX_BOOL bBreak = FALSE;
+ if ((m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0) {
+ bBreak = (m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance);
+ }
+ int32_t& iLineWidth = m_pCurLine->m_iWidth;
+ int32_t iCharWidth = iLineWidth;
+ if (GetPositionedTab(iCharWidth)) {
+ iCharWidth -= iLineWidth;
+ } else {
+ iCharWidth = m_iTabWidth * (iLineWidth / m_iTabWidth + 1) - iLineWidth;
+ }
+ pCurChar->m_iCharWidth = iCharWidth;
+ iLineWidth += iCharWidth;
+ if (!m_bSingleLine && !m_bOrphanLine && bBreak) {
+ return EndBreak(FX_RTFBREAK_LineBreak);
+ }
+ }
+ return FX_RTFBREAK_None;
+}
+FX_DWORD CFX_RTFBreak::AppendChar_Control(CFX_RTFChar* pCurChar,
+ int32_t iRotation) {
+ FX_DWORD dwRet2 = FX_RTFBREAK_None;
+ if (!m_bSingleLine) {
+ switch (pCurChar->m_wCharCode) {
+ case L'\v':
+ case 0x2028:
+ dwRet2 = FX_RTFBREAK_LineBreak;
+ break;
+ case L'\f':
+ dwRet2 = FX_RTFBREAK_PageBreak;
+ break;
+ case 0x2029:
+ dwRet2 = FX_RTFBREAK_ParagraphBreak;
+ break;
+ default:
+ if (pCurChar->m_wCharCode == m_wLineBreakChar) {
+ dwRet2 = FX_RTFBREAK_ParagraphBreak;
+ }
+ break;
+ }
+ if (dwRet2 != FX_RTFBREAK_None) {
+ dwRet2 = EndBreak(dwRet2);
+ }
+ }
+ return dwRet2;
+}
+FX_DWORD CFX_RTFBreak::AppendChar_Arabic(CFX_RTFChar* pCurChar,
+ int32_t iRotation) {
+ CFX_RTFChar* pLastChar = NULL;
+ int32_t& iLineWidth = m_pCurLine->m_iWidth;
+ int32_t iCharWidth = 0;
+ FX_WCHAR wForm;
+ FX_BOOL bAlef = FALSE;
+ if (m_dwCharType >= FX_CHARTYPE_ArabicAlef &&
+ m_dwCharType <= FX_CHARTYPE_ArabicDistortion) {
+ pLastChar = GetLastChar(1);
+ if (pLastChar != NULL) {
+ iLineWidth -= pLastChar->m_iCharWidth;
+ CFX_RTFChar* pPrevChar = GetLastChar(2);
+ wForm = m_pArabicChar->GetFormChar(pLastChar, pPrevChar, pCurChar);
+ bAlef = (wForm == 0xFEFF &&
+ pLastChar->GetCharType() == FX_CHARTYPE_ArabicAlef);
+ int32_t iLastRotation = pLastChar->m_nRotation + m_iLineRotation;
+ if (m_bVertical && (pLastChar->m_dwCharProps & 0x8000) != 0) {
+ iLastRotation++;
+ }
+ if (m_bVertical != FX_IsOdd(iLastRotation)) {
+ iCharWidth = 1000;
+ } else {
+ if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) {
+ if (!m_pFont->GetCharWidth(pLastChar->m_wCharCode, iCharWidth,
+ m_bCharCode)) {
+ iCharWidth = m_iDefChar;
+ }
+ }
+ }
+ iCharWidth *= m_iFontSize;
+ iCharWidth = iCharWidth * m_iHorizontalScale / 100;
+ pLastChar->m_iCharWidth = iCharWidth;
+ iLineWidth += iCharWidth;
+ iCharWidth = 0;
+ }
+ }
+ wForm =
+ m_pArabicChar->GetFormChar(pCurChar, (bAlef ? NULL : pLastChar), NULL);
+ if (m_bVertical != FX_IsOdd(iRotation)) {
+ iCharWidth = 1000;
+ } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode) &&
+ !m_pFont->GetCharWidth(pCurChar->m_wCharCode, iCharWidth,
+ m_bCharCode)) {
+ iCharWidth = m_iDefChar;
+ }
+
+ iCharWidth *= m_iFontSize;
+ iCharWidth = iCharWidth * m_iHorizontalScale / 100;
+ pCurChar->m_iCharWidth = iCharWidth;
+ iLineWidth += iCharWidth;
+ m_pCurLine->m_iArabicChars++;
+ if (!m_bSingleLine && !m_bOrphanLine &&
+ m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
+ return EndBreak(FX_RTFBREAK_LineBreak);
+ }
+ return FX_RTFBREAK_None;
+}
+FX_DWORD CFX_RTFBreak::AppendChar_Others(CFX_RTFChar* pCurChar,
+ int32_t iRotation) {
+ FX_DWORD dwType = (pCurChar->m_dwCharProps & FX_CHARTYPEBITSMASK);
+ FX_WCHAR wForm;
+ if (dwType == FX_CHARTYPE_Numeric) {
+ if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ArabicNumber) {
+ wForm = pCurChar->m_wCharCode + 0x0630;
+ } else {
+ wForm = pCurChar->m_wCharCode;
+ }
+ } else if (m_bRTL || m_bVertical) {
+ wForm = FX_GetMirrorChar(pCurChar->m_wCharCode, pCurChar->m_dwCharProps,
+ m_bRTL, m_bVertical);
+ } else {
+ wForm = pCurChar->m_wCharCode;
+ }
+ int32_t iCharWidth = 0;
+ if (m_bVertical != FX_IsOdd(iRotation)) {
+ iCharWidth = 1000;
+ } else {
+ if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) {
+ iCharWidth = m_iDefChar;
+ }
+ }
+ iCharWidth *= m_iFontSize;
+ iCharWidth = iCharWidth * m_iHorizontalScale / 100;
+ iCharWidth += m_iCharSpace;
+ if (dwType == FX_CHARTYPE_Space && m_bWordSpace) {
+ iCharWidth += m_iWordSpace;
+ }
+ pCurChar->m_iCharWidth = iCharWidth;
+ m_pCurLine->m_iWidth += iCharWidth;
+ FX_BOOL bBreak = (dwType != FX_CHARTYPE_Space ||
+ (m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0);
+ if (!m_bSingleLine && !m_bOrphanLine && bBreak &&
+ m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
+ return EndBreak(FX_RTFBREAK_LineBreak);
+ }
+ return FX_RTFBREAK_None;
+}
+FX_DWORD CFX_RTFBreak::EndBreak(FX_DWORD dwStatus) {
+ FXSYS_assert(dwStatus >= FX_RTFBREAK_PieceBreak &&
+ dwStatus <= FX_RTFBREAK_PageBreak);
+ m_dwIdentity++;
+ CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces;
+ int32_t iCount = pCurPieces->GetSize();
+ if (iCount > 0) {
+ CFX_RTFPiece* pLastPiece = pCurPieces->GetPtrAt(--iCount);
+ if (dwStatus > FX_RTFBREAK_PieceBreak) {
+ pLastPiece->m_dwStatus = dwStatus;
+ } else {
+ dwStatus = pLastPiece->m_dwStatus;
+ }
+ return dwStatus;
+ } else {
+ CFX_RTFLine* pLastLine = GetRTFLine(TRUE);
+ if (pLastLine != NULL) {
+ pCurPieces = &pLastLine->m_LinePieces;
+ iCount = pCurPieces->GetSize();
+ if (iCount-- > 0) {
+ CFX_RTFPiece* pLastPiece = pCurPieces->GetPtrAt(iCount);
+ if (dwStatus > FX_RTFBREAK_PieceBreak) {
+ pLastPiece->m_dwStatus = dwStatus;
+ } else {
+ dwStatus = pLastPiece->m_dwStatus;
+ }
+ return dwStatus;
+ }
+ return FX_RTFBREAK_None;
+ }
+ iCount = m_pCurLine->CountChars();
+ if (iCount < 1) {
+ return FX_RTFBREAK_None;
+ }
+ CFX_RTFChar& tc = m_pCurLine->GetChar(iCount - 1);
+ tc.m_dwStatus = dwStatus;
+ if (dwStatus <= FX_RTFBREAK_PieceBreak) {
+ return dwStatus;
+ }
+ }
+ m_iReady = (m_pCurLine == &m_RTFLine1) ? 1 : 2;
+ CFX_RTFLine* pNextLine =
+ (m_pCurLine == &m_RTFLine1) ? &m_RTFLine2 : &m_RTFLine1;
+ FX_BOOL bAllChars = (m_iAlignment > FX_RTFLINEALIGNMENT_Right);
+ CFX_TPOArray tpos;
+ if (EndBreak_SplitLine(pNextLine, bAllChars, dwStatus)) {
+ goto EndBreak_Ret;
+ }
+ if (!m_bCharCode) {
+ EndBreak_BidiLine(tpos, dwStatus);
+ }
+ if (!m_bPagination && m_iAlignment > FX_RTFLINEALIGNMENT_Left) {
+ EndBreak_Alignment(tpos, bAllChars, dwStatus);
+ }
+EndBreak_Ret:
+ m_pCurLine = pNextLine;
+ m_pCurLine->m_iStart = m_iBoundaryStart;
+ CFX_RTFChar* pTC = GetLastChar(0);
+ m_dwCharType = pTC == NULL ? 0 : pTC->GetCharType();
+ return dwStatus;
+}
+FX_BOOL CFX_RTFBreak::EndBreak_SplitLine(CFX_RTFLine* pNextLine,
+ FX_BOOL bAllChars,
+ FX_DWORD dwStatus) {
+ FX_BOOL bDone = FALSE;
+ if (!m_bSingleLine && !m_bOrphanLine &&
+ m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
+ CFX_RTFChar& tc = m_pCurLine->GetChar(m_pCurLine->CountChars() - 1);
+ switch (tc.GetCharType()) {
+ case FX_CHARTYPE_Tab:
+ if ((m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0) {
+ SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
+ bDone = TRUE;
+ }
+ break;
+ case FX_CHARTYPE_Control:
+ break;
+ case FX_CHARTYPE_Space:
+ if ((m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0) {
+ SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
+ bDone = TRUE;
+ }
+ break;
+ default:
+ SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
+ bDone = TRUE;
+ break;
+ }
+ }
+ if (m_bPagination || m_pCurLine->m_iMBCSChars > 0) {
+ const CFX_RTFChar* pCurChars = m_pCurLine->m_LineChars.GetData();
+ const CFX_RTFChar* pTC;
+ CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces;
+ CFX_RTFPiece tp;
+ tp.m_pChars = &m_pCurLine->m_LineChars;
+ FX_BOOL bNew = TRUE;
+ FX_DWORD dwIdentity = (FX_DWORD)-1;
+ int32_t iLast = m_pCurLine->CountChars() - 1, j = 0;
+ for (int32_t i = 0; i <= iLast;) {
+ pTC = pCurChars + i;
+ if (bNew) {
+ tp.m_iStartChar = i;
+ tp.m_iStartPos += tp.m_iWidth;
+ tp.m_iWidth = 0;
+ tp.m_dwStatus = pTC->m_dwStatus;
+ tp.m_iFontSize = pTC->m_iFontSize;
+ tp.m_iFontHeight = pTC->m_iFontHeight;
+ tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
+ tp.m_iVerticalScale = pTC->m_iVertialScale;
+ tp.m_dwLayoutStyles = pTC->m_dwLayoutStyles;
+ dwIdentity = pTC->m_dwIdentity;
+ tp.m_dwIdentity = dwIdentity;
+ tp.m_pUserData = pTC->m_pUserData;
+ j = i;
+ bNew = FALSE;
+ }
+ if (i == iLast || pTC->m_dwStatus != FX_RTFBREAK_None ||
+ pTC->m_dwIdentity != dwIdentity) {
+ tp.m_iChars = i - j;
+ if (pTC->m_dwIdentity == dwIdentity) {
+ tp.m_dwStatus = pTC->m_dwStatus;
+ tp.m_iWidth += pTC->m_iCharWidth;
+ tp.m_iChars += 1;
+ i++;
+ }
+ pCurPieces->Add(tp);
+ bNew = TRUE;
+ } else {
+ tp.m_iWidth += pTC->m_iCharWidth;
+ i++;
+ }
+ }
+ return TRUE;
+ }
+ if (bAllChars && !bDone) {
+ int32_t iEndPos = m_pCurLine->GetLineEnd();
+ GetBreakPos(m_pCurLine->m_LineChars, iEndPos, bAllChars, TRUE);
+ }
+ return FALSE;
+}
+void CFX_RTFBreak::EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus) {
+ FX_TPO tpo;
+ CFX_RTFPiece tp;
+ CFX_RTFChar* pTC;
+ int32_t i, j;
+ CFX_RTFCharArray& chars = m_pCurLine->m_LineChars;
+ int32_t iCount = m_pCurLine->CountChars();
+ FX_BOOL bDone = (!m_bPagination && !m_bCharCode &&
+ (m_pCurLine->m_iArabicChars > 0 || m_bRTL));
+ if (bDone) {
+ int32_t iBidiNum = 0;
+ for (i = 0; i < iCount; i++) {
+ pTC = chars.GetDataPtr(i);
+ pTC->m_iBidiPos = i;
+ if (pTC->GetCharType() != FX_CHARTYPE_Control) {
+ iBidiNum = i;
+ }
+ if (i == 0) {
+ pTC->m_iBidiLevel = 1;
+ }
+ }
+ FX_BidiLine(chars, iBidiNum + 1, m_bRTL ? 1 : 0);
+ } else {
+ for (i = 0; i < iCount; i++) {
+ pTC = chars.GetDataPtr(i);
+ pTC->m_iBidiLevel = 0;
+ pTC->m_iBidiPos = 0;
+ pTC->m_iBidiOrder = 0;
+ }
+ }
+ tp.m_dwStatus = FX_RTFBREAK_PieceBreak;
+ tp.m_iStartPos = m_pCurLine->m_iStart;
+ tp.m_pChars = &chars;
+ CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces;
+ int32_t iBidiLevel = -1, iCharWidth;
+ FX_DWORD dwIdentity = (FX_DWORD)-1;
+ i = j = 0;
+ while (i < iCount) {
+ pTC = chars.GetDataPtr(i);
+ if (iBidiLevel < 0) {
+ iBidiLevel = pTC->m_iBidiLevel;
+ iCharWidth = pTC->m_iCharWidth;
+ if (iCharWidth < 1) {
+ tp.m_iWidth = 0;
+ } else {
+ tp.m_iWidth = iCharWidth;
+ }
+ tp.m_iBidiLevel = iBidiLevel;
+ tp.m_iBidiPos = pTC->m_iBidiOrder;
+ tp.m_iFontSize = pTC->m_iFontSize;
+ tp.m_iFontHeight = pTC->m_iFontHeight;
+ tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
+ tp.m_iVerticalScale = pTC->m_iVertialScale;
+ dwIdentity = pTC->m_dwIdentity;
+ tp.m_dwIdentity = dwIdentity;
+ tp.m_pUserData = pTC->m_pUserData;
+ tp.m_dwStatus = FX_RTFBREAK_PieceBreak;
+ i++;
+ } else if (iBidiLevel != pTC->m_iBidiLevel ||
+ pTC->m_dwIdentity != dwIdentity) {
+ tp.m_iChars = i - tp.m_iStartChar;
+ pCurPieces->Add(tp);
+ tp.m_iStartPos += tp.m_iWidth;
+ tp.m_iStartChar = i;
+ tpo.index = j++;
+ tpo.pos = tp.m_iBidiPos;
+ tpos.Add(tpo);
+ iBidiLevel = -1;
+ } else {
+ iCharWidth = pTC->m_iCharWidth;
+ if (iCharWidth > 0) {
+ tp.m_iWidth += iCharWidth;
+ }
+ i++;
+ }
+ }
+ if (i > tp.m_iStartChar) {
+ tp.m_dwStatus = dwStatus;
+ tp.m_iChars = i - tp.m_iStartChar;
+ pCurPieces->Add(tp);
+ tpo.index = j;
+ tpo.pos = tp.m_iBidiPos;
+ tpos.Add(tpo);
+ }
+ if (!m_bCharCode) {
+ j = tpos.GetSize() - 1;
+ FX_TEXTLAYOUT_PieceSort(tpos, 0, j);
+ int32_t iStartPos = m_pCurLine->m_iStart;
+ for (i = 0; i <= j; i++) {
+ tpo = tpos.GetAt(i);
+ CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index);
+ ttp.m_iStartPos = iStartPos;
+ iStartPos += ttp.m_iWidth;
+ }
+ }
+}
+void CFX_RTFBreak::EndBreak_Alignment(CFX_TPOArray& tpos,
+ FX_BOOL bAllChars,
+ FX_DWORD dwStatus) {
+ CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces;
+ int32_t iNetWidth = m_pCurLine->m_iWidth, iGapChars = 0, iCharWidth;
+ int32_t iCount = pCurPieces->GetSize();
+ FX_BOOL bFind = FALSE;
+ FX_DWORD dwCharType;
+ int32_t i, j;
+ FX_TPO tpo;
+ for (i = iCount - 1; i > -1; i--) {
+ tpo = tpos.GetAt(i);
+ CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index);
+ if (!bFind) {
+ iNetWidth = ttp.GetEndPos();
+ }
+ FX_BOOL bArabic = FX_IsOdd(ttp.m_iBidiLevel);
+ j = bArabic ? 0 : ttp.m_iChars - 1;
+ while (j > -1 && j < ttp.m_iChars) {
+ const CFX_RTFChar& tc = ttp.GetChar(j);
+ if (tc.m_nBreakType == FX_LBT_DIRECT_BRK) {
+ iGapChars++;
+ }
+ if (!bFind || !bAllChars) {
+ dwCharType = tc.GetCharType();
+ if (dwCharType == FX_CHARTYPE_Space ||
+ dwCharType == FX_CHARTYPE_Control) {
+ if (!bFind) {
+ iCharWidth = tc.m_iCharWidth;
+ if (bAllChars && iCharWidth > 0) {
+ iNetWidth -= iCharWidth;
+ }
+ }
+ } else {
+ bFind = TRUE;
+ if (!bAllChars) {
+ break;
+ }
+ }
+ }
+ j += bArabic ? 1 : -1;
+ }
+ if (!bAllChars && bFind) {
+ break;
+ }
+ }
+ int32_t iOffset = m_iBoundaryEnd - iNetWidth;
+ int32_t iLowerAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_LowerMask);
+ int32_t iHigherAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_HigherMask);
+ if (iGapChars > 0 && (iHigherAlignment == FX_RTFLINEALIGNMENT_Distributed ||
+ (iHigherAlignment == FX_RTFLINEALIGNMENT_Justified &&
+ dwStatus != FX_RTFBREAK_ParagraphBreak))) {
+ int32_t iStart = -1;
+ for (i = 0; i < iCount; i++) {
+ tpo = tpos.GetAt(i);
+ CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index);
+ if (iStart < 0) {
+ iStart = ttp.m_iStartPos;
+ } else {
+ ttp.m_iStartPos = iStart;
+ }
+ int32_t k;
+ for (j = 0; j < ttp.m_iChars; j++) {
+ CFX_RTFChar& tc = ttp.GetChar(j);
+ if (tc.m_nBreakType != FX_LBT_DIRECT_BRK || tc.m_iCharWidth < 0) {
+ continue;
+ }
+ k = iOffset / iGapChars;
+ tc.m_iCharWidth += k;
+ ttp.m_iWidth += k;
+ iOffset -= k;
+ iGapChars--;
+ if (iGapChars < 1) {
+ break;
+ }
+ }
+ iStart += ttp.m_iWidth;
+ }
+ } else if (iLowerAlignment > FX_RTFLINEALIGNMENT_Left) {
+ if (iLowerAlignment == FX_RTFLINEALIGNMENT_Center) {
+ iOffset /= 2;
+ }
+ if (iOffset > 0) {
+ for (i = 0; i < iCount; i++) {
+ CFX_RTFPiece& ttp = pCurPieces->GetAt(i);
+ ttp.m_iStartPos += iOffset;
+ }
+ }
+ }
+}
+int32_t CFX_RTFBreak::GetBreakPos(CFX_RTFCharArray& tca,
+ int32_t& iEndPos,
+ FX_BOOL bAllChars,
+ FX_BOOL bOnlyBrk) {
+ int32_t iLength = tca.GetSize() - 1;
+ if (iLength < 1) {
+ return iLength;
+ }
+ int32_t iBreak = -1, iBreakPos = -1, iIndirect = -1, iIndirectPos = -1,
+ iLast = -1, iLastPos = -1;
+ if (m_bSingleLine || m_bOrphanLine || iEndPos <= m_iBoundaryEnd) {
+ if (!bAllChars || m_bCharCode) {
+ return iLength;
+ }
+ iBreak = iLength;
+ iBreakPos = iEndPos;
+ }
+ CFX_RTFChar* pCharArray = tca.GetData();
+ if (m_bCharCode) {
+ const CFX_RTFChar* pChar;
+ int32_t iCharWidth;
+ while (iLength > 0) {
+ if (iEndPos <= m_iBoundaryEnd) {
+ break;
+ }
+ pChar = pCharArray + iLength--;
+ iCharWidth = pChar->m_iCharWidth;
+ if (iCharWidth > 0) {
+ iEndPos -= iCharWidth;
+ }
+ }
+ return iLength;
+ }
+ FX_BOOL bSpaceBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0;
+ FX_BOOL bTabBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0;
+ FX_BOOL bNumberBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_NumberBreak) != 0;
+ FX_BOOL bInfixBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_InfixBreak) != 0;
+ FX_LINEBREAKTYPE eType;
+ FX_DWORD nCodeProp, nCur, nNext;
+ CFX_RTFChar* pCur = pCharArray + iLength--;
+ if (bAllChars) {
+ pCur->m_nBreakType = FX_LBT_UNKNOWN;
+ }
+ nCodeProp = pCur->m_dwCharProps;
+ nNext = nCodeProp & 0x003F;
+ int32_t iCharWidth = pCur->m_iCharWidth;
+ if (iCharWidth > 0) {
+ iEndPos -= iCharWidth;
+ }
+ while (iLength >= 0) {
+ pCur = pCharArray + iLength;
+ nCodeProp = pCur->m_dwCharProps;
+ nCur = nCodeProp & 0x003F;
+ FX_BOOL bNeedBreak = FALSE;
+ if (nCur == FX_CBP_SP) {
+ bNeedBreak = !bSpaceBreak;
+ if (nNext == FX_CBP_SP) {
+ eType = bSpaceBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK;
+ } else {
+ eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
+ (nCur << 5) + nNext);
+ }
+ } else if (nCur == FX_CBP_TB) {
+ bNeedBreak = !bTabBreak;
+ if (nNext == FX_CBP_TB) {
+ eType = bTabBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK;
+ } else {
+ eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
+ (nCur << 5) + nNext);
+ }
+ } else if (bNumberBreak && nCur == FX_CBP_NU && nNext == FX_CBP_NU) {
+ eType = FX_LBT_DIRECT_BRK;
+ } else if (bInfixBreak && nCur == FX_CBP_IS && nNext == FX_CBP_IS) {
+ eType = FX_LBT_DIRECT_BRK;
+ } else {
+ if (nNext == FX_CBP_SP) {
+ eType = FX_LBT_PROHIBITED_BRK;
+ } else {
+ eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
+ (nCur << 5) + nNext);
+ }
+ }
+ if (bAllChars) {
+ pCur->m_nBreakType = eType;
+ }
+ if (!bOnlyBrk) {
+ iCharWidth = pCur->m_iCharWidth;
+ FX_BOOL bBreak = FALSE;
+ if (nCur == FX_CBP_TB && bTabBreak) {
+ bBreak = iCharWidth > 0 && iEndPos - iCharWidth <= m_iBoundaryEnd;
+ } else {
+ bBreak = iEndPos <= m_iBoundaryEnd;
+ }
+ if (m_bSingleLine || m_bOrphanLine || bBreak || bNeedBreak) {
+ if (eType == FX_LBT_DIRECT_BRK && iBreak < 0) {
+ iBreak = iLength;
+ iBreakPos = iEndPos;
+ if (!bAllChars) {
+ return iLength;
+ }
+ } else if (eType == FX_LBT_INDIRECT_BRK && iIndirect < 0) {
+ iIndirect = iLength;
+ iIndirectPos = iEndPos;
+ }
+ if (iLast < 0) {
+ iLast = iLength;
+ iLastPos = iEndPos;
+ }
+ }
+ if (iCharWidth > 0) {
+ iEndPos -= iCharWidth;
+ }
+ }
+ nNext = nCodeProp & 0x003F;
+ iLength--;
+ }
+ if (bOnlyBrk) {
+ return 0;
+ }
+ if (iBreak > -1) {
+ iEndPos = iBreakPos;
+ return iBreak;
+ }
+ if (iIndirect > -1) {
+ iEndPos = iIndirectPos;
+ return iIndirect;
+ }
+ if (iLast > -1) {
+ iEndPos = iLastPos;
+ return iLast;
+ }
+ return 0;
+}
+void CFX_RTFBreak::SplitTextLine(CFX_RTFLine* pCurLine,
+ CFX_RTFLine* pNextLine,
+ FX_BOOL bAllChars) {
+ FXSYS_assert(pCurLine != NULL && pNextLine != NULL);
+ int32_t iCount = pCurLine->CountChars();
+ if (iCount < 2) {
+ return;
+ }
+ int32_t iEndPos = pCurLine->GetLineEnd();
+ CFX_RTFCharArray& curChars = pCurLine->m_LineChars;
+ int32_t iCharPos = GetBreakPos(curChars, iEndPos, bAllChars, FALSE);
+ if (iCharPos < 0) {
+ iCharPos = 0;
+ }
+ iCharPos++;
+ if (iCharPos >= iCount) {
+ pNextLine->RemoveAll(TRUE);
+ CFX_Char* pTC = curChars.GetDataPtr(iCharPos - 1);
+ pTC->m_nBreakType = FX_LBT_UNKNOWN;
+ return;
+ }
+ CFX_RTFCharArray& nextChars = pNextLine->m_LineChars;
+ int cur_size = curChars.GetSize();
+ nextChars.SetSize(cur_size - iCharPos);
+ FXSYS_memcpy(nextChars.GetData(), curChars.GetDataPtr(iCharPos),
+ (cur_size - iCharPos) * sizeof(CFX_RTFChar));
+ iCount -= iCharPos;
+ cur_size = curChars.GetSize();
+ curChars.RemoveAt(cur_size - iCount, iCount);
+ pNextLine->m_iStart = pCurLine->m_iStart;
+ pNextLine->m_iWidth = pCurLine->GetLineEnd() - iEndPos;
+ pCurLine->m_iWidth = iEndPos;
+ CFX_RTFChar* tc = curChars.GetDataPtr(iCharPos - 1);
+ tc->m_nBreakType = FX_LBT_UNKNOWN;
+ iCount = nextChars.GetSize();
+ CFX_RTFChar* pNextChars = nextChars.GetData();
+ for (int32_t i = 0; i < iCount; i++) {
+ CFX_RTFChar* tc = pNextChars + i;
+ if (tc->GetCharType() >= FX_CHARTYPE_ArabicAlef) {
+ pCurLine->m_iArabicChars--;
+ pNextLine->m_iArabicChars++;
+ }
+ if (tc->m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_MBCSCode) {
+ pCurLine->m_iMBCSChars--;
+ pNextLine->m_iMBCSChars++;
+ }
+ tc->m_dwStatus = 0;
+ }
+}
+int32_t CFX_RTFBreak::CountBreakPieces() const {
+ CFX_RTFPieceArray* pRTFPieces = GetRTFPieces(TRUE);
+ if (pRTFPieces == NULL) {
+ return 0;
+ }
+ return pRTFPieces->GetSize();
+}
+const CFX_RTFPiece* CFX_RTFBreak::GetBreakPiece(int32_t index) const {
+ CFX_RTFPieceArray* pRTFPieces = GetRTFPieces(TRUE);
+ if (pRTFPieces == NULL) {
+ return NULL;
+ }
+ if (index < 0 || index >= pRTFPieces->GetSize()) {
+ return NULL;
+ }
+ return pRTFPieces->GetPtrAt(index);
+}
+void CFX_RTFBreak::GetLineRect(CFX_RectF& rect) const {
+ rect.top = 0;
+ CFX_RTFLine* pRTFLine = GetRTFLine(TRUE);
+ if (pRTFLine == NULL) {
+ rect.left = ((FX_FLOAT)m_iBoundaryStart) / 20000.0f;
+ rect.width = rect.height = 0;
+ return;
+ }
+ rect.left = ((FX_FLOAT)pRTFLine->m_iStart) / 20000.0f;
+ rect.width = ((FX_FLOAT)pRTFLine->m_iWidth) / 20000.0f;
+ CFX_RTFPieceArray& rtfPieces = pRTFLine->m_LinePieces;
+ int32_t iCount = rtfPieces.GetSize();
+ if (iCount < 1) {
+ rect.width = 0;
+ return;
+ }
+ CFX_RTFPiece* pBreakPiece;
+ int32_t iLineHeight = 0, iMax;
+ for (int32_t i = 0; i < iCount; i++) {
+ pBreakPiece = rtfPieces.GetPtrAt(i);
+ int32_t iFontHeight = FXSYS_round(pBreakPiece->m_iFontHeight *
+ pBreakPiece->m_iVerticalScale / 100.0f);
+ iMax = std::max(pBreakPiece->m_iFontSize, iFontHeight);
+ if (i == 0) {
+ iLineHeight = iMax;
+ } else if (iLineHeight < iMax) {
+ iLineHeight = iMax;
+ }
+ }
+ rect.height = ((FX_FLOAT)iLineHeight) / 20.0f;
+}
+void CFX_RTFBreak::ClearBreakPieces() {
+ CFX_RTFLine* pRTFLine = GetRTFLine(TRUE);
+ if (pRTFLine != NULL) {
+ pRTFLine->RemoveAll(TRUE);
+ }
+ m_iReady = 0;
+}
+void CFX_RTFBreak::Reset() {
+ m_dwCharType = 0;
+ m_RTFLine1.RemoveAll(TRUE);
+ m_RTFLine2.RemoveAll(TRUE);
+}
+int32_t CFX_RTFBreak::GetDisplayPos(const FX_RTFTEXTOBJ* pText,
+ FXTEXT_CHARPOS* pCharPos,
+ FX_BOOL bCharCode,
+ CFX_WideString* pWSForms,
+ FX_AdjustCharDisplayPos pAdjustPos) const {
+ if (pText == NULL || pText->iLength < 1) {
+ return 0;
+ }
+ FXSYS_assert(pText->pStr != NULL && pText->pWidths != NULL &&
+ pText->pFont != NULL && pText->pRect != NULL);
+ const FX_WCHAR* pStr = pText->pStr;
+ int32_t* pWidths = pText->pWidths;
+ int32_t iLength = pText->iLength - 1;
+ IFX_Font* pFont = pText->pFont;
+ FX_DWORD dwStyles = pText->dwLayoutStyles;
+ CFX_RectF rtText(*pText->pRect);
+ FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel);
+ FX_FLOAT fFontSize = pText->fFontSize;
+ int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
+ int32_t iAscent = pFont->GetAscent();
+ int32_t iDescent = pFont->GetDescent();
+ int32_t iMaxHeight = iAscent - iDescent;
+ FX_FLOAT fFontHeight = fFontSize;
+ FX_FLOAT fAscent = fFontHeight * (FX_FLOAT)iAscent / (FX_FLOAT)iMaxHeight;
+ FX_FLOAT fDescent = fFontHeight * (FX_FLOAT)iDescent / (FX_FLOAT)iMaxHeight;
+ FX_BOOL bVerticalDoc = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalLayout) != 0;
+ FX_BOOL bVerticalChar = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalChars) != 0;
+ FX_BOOL bArabicNumber = (dwStyles & FX_RTFLAYOUTSTYLE_ArabicNumber) != 0;
+ FX_BOOL bMBCSCode = (dwStyles & FX_RTFLAYOUTSTYLE_MBCSCode) != 0;
+ int32_t iRotation = GetLineRotation(dwStyles) + pText->iCharRotation;
+ int32_t iCharRotation;
+ FX_WCHAR wch, wPrev = 0xFEFF, wNext, wForm;
+ int32_t iWidth, iCharWidth, iCharHeight;
+ FX_FLOAT fX, fY, fCharWidth, fCharHeight;
+ int32_t iHorScale = pText->iHorizontalScale;
+ int32_t iVerScale = pText->iVerticalScale;
+ FX_BOOL bEmptyChar;
+ FX_DWORD dwProps, dwCharType;
+ fX = rtText.left;
+ fY = rtText.top;
+ if (bVerticalDoc) {
+ fX += (rtText.width - fFontSize) / 2.0f;
+ if (bRTLPiece) {
+ fY = rtText.bottom();
+ }
+ } else {
+ if (bRTLPiece) {
+ fX = rtText.right();
+ }
+ fY += fAscent;
+ }
+ int32_t iCount = 0;
+ for (int32_t i = 0; i <= iLength; i++) {
+ wch = *pStr++;
+ iWidth = *pWidths++;
+ if (!bMBCSCode) {
+ dwProps = FX_GetUnicodeProperties(wch);
+ dwCharType = (dwProps & FX_CHARTYPEBITSMASK);
+ if (dwCharType == FX_CHARTYPE_ArabicAlef && iWidth == 0) {
+ wPrev = 0xFEFF;
+ continue;
+ }
+ } else {
+ dwProps = 0;
+ dwCharType = 0;
+ }
+ if (iWidth != 0) {
+ iCharWidth = iWidth;
+ if (iCharWidth < 0) {
+ iCharWidth = -iCharWidth;
+ }
+ if (!bMBCSCode) {
+ bEmptyChar = (dwCharType >= FX_CHARTYPE_Tab &&
+ dwCharType <= FX_CHARTYPE_Control);
+ } else {
+ bEmptyChar = FALSE;
+ }
+ if (!bEmptyChar) {
+ iCount++;
+ }
+ if (pCharPos != NULL) {
+ iCharWidth /= iFontSize;
+ wForm = wch;
+ if (!bMBCSCode) {
+ if (dwCharType >= FX_CHARTYPE_ArabicAlef) {
+ if (i < iLength) {
+ wNext = *pStr;
+ if (*pWidths < 0) {
+ if (i + 1 < iLength) {
+ wNext = pStr[1];
+ }
+ }
+ } else {
+ wNext = 0xFEFF;
+ }
+ wForm = m_pArabicChar->GetFormChar(wch, wPrev, wNext);
+ } else if (bRTLPiece || bVerticalChar) {
+ wForm = FX_GetMirrorChar(wch, dwProps, bRTLPiece, bVerticalChar);
+ } else if (dwCharType == FX_CHARTYPE_Numeric && bArabicNumber) {
+ wForm = wch + 0x0630;
+ }
+ dwProps = FX_GetUnicodeProperties(wForm);
+ }
+ iCharRotation = iRotation;
+ if (!bMBCSCode && bVerticalChar && (dwProps & 0x8000) != 0) {
+ iCharRotation++;
+ iCharRotation %= 4;
+ }
+ if (!bEmptyChar) {
+ if (bCharCode) {
+ pCharPos->m_GlyphIndex = wch;
+ } else {
+ pCharPos->m_GlyphIndex = pFont->GetGlyphIndex(wForm, bMBCSCode);
+ if (pCharPos->m_GlyphIndex == 0xFFFF) {
+ pCharPos->m_GlyphIndex = pFont->GetGlyphIndex(wch, bMBCSCode);
+ }
+ }
+ pCharPos->m_ExtGID = pCharPos->m_GlyphIndex;
+ pCharPos->m_FontCharWidth = iCharWidth;
+ if (pWSForms) {
+ *pWSForms += wForm;
+ }
+ }
+ if (bVerticalDoc) {
+ iCharHeight = iCharWidth;
+ iCharWidth = 1000;
+ } else {
+ iCharHeight = 1000;
+ }
+ fCharWidth = fFontSize * iCharWidth / 1000.0f;
+ fCharHeight = fFontSize * iCharHeight / 1000.0f;
+ if (!bMBCSCode && bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
+ if (bVerticalDoc) {
+ fY -= fCharHeight;
+ } else {
+ fX -= fCharWidth;
+ }
+ }
+ if (!bEmptyChar) {
+ CFX_PointF ptOffset;
+ FX_BOOL bAdjusted = FALSE;
+ if (pAdjustPos) {
+ bAdjusted = pAdjustPos(wForm, bMBCSCode, pFont, fFontSize,
+ bVerticalChar, ptOffset);
+ }
+ if (!pAdjustPos && bVerticalChar && (dwProps & 0x00010000) != 0) {
+ CFX_Rect rtBBox;
+ rtBBox.Reset();
+ if (pFont->GetCharBBox(wForm, rtBBox, bMBCSCode)) {
+ ptOffset.x = fFontSize * (850 - rtBBox.right()) / 1000.0f;
+ ptOffset.y = fFontSize * (1000 - rtBBox.height) / 2000.0f;
+ }
+ }
+ pCharPos->m_OriginX = fX + ptOffset.x;
+ pCharPos->m_OriginY = fY - ptOffset.y;
+ }
+ if (!bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
+ if (bVerticalDoc) {
+ fY += fCharHeight;
+ } else {
+ fX += fCharWidth;
+ }
+ }
+ if (!bEmptyChar) {
+ pCharPos->m_bGlyphAdjust = TRUE;
+ if (bVerticalDoc) {
+ if (iCharRotation == 0) {
+ pCharPos->m_AdjustMatrix[0] = -1;
+ pCharPos->m_AdjustMatrix[1] = 0;
+ pCharPos->m_AdjustMatrix[2] = 0;
+ pCharPos->m_AdjustMatrix[3] = 1;
+ pCharPos->m_OriginY += fAscent * iVerScale / 100.0f;
+ } else if (iCharRotation == 1) {
+ pCharPos->m_AdjustMatrix[0] = 0;
+ pCharPos->m_AdjustMatrix[1] = -1;
+ pCharPos->m_AdjustMatrix[2] = -1;
+ pCharPos->m_AdjustMatrix[3] = 0;
+ pCharPos->m_OriginX -=
+ fDescent + fAscent * iVerScale / 100.0f - fAscent;
+ } else if (iCharRotation == 2) {
+ pCharPos->m_AdjustMatrix[0] = 1;
+ pCharPos->m_AdjustMatrix[1] = 0;
+ pCharPos->m_AdjustMatrix[2] = 0;
+ pCharPos->m_AdjustMatrix[3] = -1;
+ pCharPos->m_OriginX += fCharWidth;
+ pCharPos->m_OriginY += fAscent;
+ } else {
+ pCharPos->m_AdjustMatrix[0] = 0;
+ pCharPos->m_AdjustMatrix[1] = 1;
+ pCharPos->m_AdjustMatrix[2] = 1;
+ pCharPos->m_AdjustMatrix[3] = 0;
+ pCharPos->m_OriginX += fAscent;
+ pCharPos->m_OriginY += fCharWidth;
+ }
+ } else {
+ if (iCharRotation == 0) {
+ pCharPos->m_AdjustMatrix[0] = -1;
+ pCharPos->m_AdjustMatrix[1] = 0;
+ pCharPos->m_AdjustMatrix[2] = 0;
+ pCharPos->m_AdjustMatrix[3] = 1;
+ pCharPos->m_OriginY += fAscent * iVerScale / 100.0f - fAscent;
+ } else if (iCharRotation == 1) {
+ pCharPos->m_AdjustMatrix[0] = 0;
+ pCharPos->m_AdjustMatrix[1] = -1;
+ pCharPos->m_AdjustMatrix[2] = -1;
+ pCharPos->m_AdjustMatrix[3] = 0;
+ pCharPos->m_OriginX -= fDescent;
+ pCharPos->m_OriginY -= fAscent + fDescent;
+ } else if (iCharRotation == 2) {
+ pCharPos->m_AdjustMatrix[0] = 1;
+ pCharPos->m_AdjustMatrix[1] = 0;
+ pCharPos->m_AdjustMatrix[2] = 0;
+ pCharPos->m_AdjustMatrix[3] = -1;
+ pCharPos->m_OriginX += fCharWidth;
+ pCharPos->m_OriginY -= fAscent;
+ } else {
+ pCharPos->m_AdjustMatrix[0] = 0;
+ pCharPos->m_AdjustMatrix[1] = 1;
+ pCharPos->m_AdjustMatrix[2] = 1;
+ pCharPos->m_AdjustMatrix[3] = 0;
+ pCharPos->m_OriginX += fAscent * iVerScale / 100.0f;
+ }
+ }
+ if (iHorScale != 100 || iVerScale != 100) {
+ pCharPos->m_AdjustMatrix[0] =
+ pCharPos->m_AdjustMatrix[0] * iHorScale / 100.0f;
+ pCharPos->m_AdjustMatrix[1] =
+ pCharPos->m_AdjustMatrix[1] * iHorScale / 100.0f;
+ pCharPos->m_AdjustMatrix[2] =
+ pCharPos->m_AdjustMatrix[2] * iVerScale / 100.0f;
+ pCharPos->m_AdjustMatrix[3] =
+ pCharPos->m_AdjustMatrix[3] * iVerScale / 100.0f;
+ }
+ pCharPos++;
+ }
+ }
+ }
+ if (iWidth > 0) {
+ wPrev = wch;
+ }
+ }
+ return iCount;
+}
+int32_t CFX_RTFBreak::GetCharRects(const FX_RTFTEXTOBJ* pText,
+ CFX_RectFArray& rtArray,
+ FX_BOOL bCharBBox) const {
+ if (pText == NULL || pText->iLength < 1) {
+ return 0;
+ }
+ FXSYS_assert(pText->pStr != NULL && pText->pWidths != NULL &&
+ pText->pFont != NULL && pText->pRect != NULL);
+ const FX_WCHAR* pStr = pText->pStr;
+ int32_t* pWidths = pText->pWidths;
+ int32_t iLength = pText->iLength;
+ CFX_RectF rect(*pText->pRect);
+ FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel);
+ FX_FLOAT fFontSize = pText->fFontSize;
+ int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
+ FX_FLOAT fScale = fFontSize / 1000.0f;
+ IFX_Font* pFont = pText->pFont;
+ if (pFont == NULL) {
+ bCharBBox = FALSE;
+ }
+ CFX_Rect bbox;
+ bbox.Set(0, 0, 0, 0);
+ if (bCharBBox) {
+ bCharBBox = pFont->GetBBox(bbox);
+ }
+ FX_FLOAT fLeft = std::max(0.0f, bbox.left * fScale);
+ FX_FLOAT fHeight = FXSYS_fabs(bbox.height * fScale);
+ rtArray.RemoveAll();
+ rtArray.SetSize(iLength);
+ FX_DWORD dwStyles = pText->dwLayoutStyles;
+ FX_BOOL bVertical = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalLayout) != 0;
+ FX_BOOL bSingleLine = (dwStyles & FX_RTFLAYOUTSTYLE_SingleLine) != 0;
+ FX_BOOL bCombText = (dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
+ FX_WCHAR wch, wLineBreakChar = pText->wLineBreakChar;
+ int32_t iCharSize;
+ FX_FLOAT fCharSize, fStart;
+ if (bVertical) {
+ fStart = bRTLPiece ? rect.bottom() : rect.top;
+ } else {
+ fStart = bRTLPiece ? rect.right() : rect.left;
+ }
+ for (int32_t i = 0; i < iLength; i++) {
+ wch = *pStr++;
+ iCharSize = *pWidths++;
+ fCharSize = (FX_FLOAT)iCharSize / 20000.0f;
+ FX_BOOL bRet = (!bSingleLine && FX_IsCtrlCode(wch));
+ if (!(wch == L'\v' || wch == L'\f' || wch == 0x2028 || wch == 0x2029 ||
+ (wLineBreakChar != 0xFEFF && wch == wLineBreakChar))) {
+ bRet = FALSE;
+ }
+ if (bRet) {
+ iCharSize = iFontSize * 500;
+ fCharSize = fFontSize / 2.0f;
+ }
+ if (bVertical) {
+ rect.top = fStart;
+ if (bRTLPiece) {
+ rect.top -= fCharSize;
+ fStart -= fCharSize;
+ } else {
+ fStart += fCharSize;
+ }
+ rect.height = fCharSize;
+ } else {
+ rect.left = fStart;
+ if (bRTLPiece) {
+ rect.left -= fCharSize;
+ fStart -= fCharSize;
+ } else {
+ fStart += fCharSize;
+ }
+ rect.width = fCharSize;
+ }
+ if (bCharBBox && !bRet) {
+ int32_t iCharWidth = 1000;
+ pFont->GetCharWidth(wch, iCharWidth);
+ FX_FLOAT fRTLeft = 0, fCharWidth = 0;
+ if (iCharWidth > 0) {
+ fCharWidth = iCharWidth * fScale;
+ fRTLeft = fLeft;
+ if (bCombText) {
+ fRTLeft = (rect.width - fCharWidth) / 2.0f;
+ }
+ }
+ CFX_RectF rtBBoxF;
+ if (bVertical) {
+ rtBBoxF.top = rect.left + fRTLeft;
+ rtBBoxF.left = rect.top + (rect.height - fHeight) / 2.0f;
+ rtBBoxF.height = fCharWidth;
+ rtBBoxF.width = fHeight;
+ rtBBoxF.left = std::max(rtBBoxF.left, 0.0f);
+ } else {
+ rtBBoxF.left = rect.left + fRTLeft;
+ rtBBoxF.top = rect.top + (rect.height - fHeight) / 2.0f;
+ rtBBoxF.width = fCharWidth;
+ rtBBoxF.height = fHeight;
+ rtBBoxF.top = std::max(rtBBoxF.top, 0.0f);
+ }
+ rtArray.SetAt(i, rtBBoxF);
+ continue;
+ }
+ rtArray.SetAt(i, rect);
+ }
+ return iLength;
+}
diff --git a/xfa/src/fgas/layout/fgas_rtfbreak.h b/xfa/src/fgas/layout/fgas_rtfbreak.h
new file mode 100644
index 0000000000..24cf2e32cb
--- /dev/null
+++ b/xfa/src/fgas/layout/fgas_rtfbreak.h
@@ -0,0 +1,237 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_SRC_FGAS_LAYOUT_FGAS_RTFBREAK_H_
+#define XFA_SRC_FGAS_LAYOUT_FGAS_RTFBREAK_H_
+
+#include "core/include/fxcrt/fx_ucd.h"
+#include "core/include/fxge/fx_ge.h"
+#include "xfa/src/fgas/crt/fgas_memory.h"
+#include "xfa/src/fgas/crt/fgas_utils.h"
+#include "xfa/src/fgas/layout/fgas_textbreak.h"
+#include "xfa/src/fgas/layout/fgas_unicode.h"
+
+class IFX_Unknown;
+class IFX_Font;
+
+#define FX_RTFBREAKPOLICY_None 0x00
+#define FX_RTFBREAKPOLICY_SpaceBreak 0x01
+#define FX_RTFBREAKPOLICY_NumberBreak 0x02
+#define FX_RTFBREAKPOLICY_InfixBreak 0x04
+#define FX_RTFBREAKPOLICY_TabBreak 0x08
+#define FX_RTFBREAKPOLICY_OrphanPositionedTab 0x10
+#define FX_RTFBREAK_None 0x00
+#define FX_RTFBREAK_PieceBreak 0x01
+#define FX_RTFBREAK_LineBreak 0x02
+#define FX_RTFBREAK_ParagraphBreak 0x03
+#define FX_RTFBREAK_PageBreak 0x04
+#define FX_RTFLAYOUTSTYLE_Pagination 0x01
+#define FX_RTFLAYOUTSTYLE_VerticalLayout 0x02
+#define FX_RTFLAYOUTSTYLE_VerticalChars 0x04
+#define FX_RTFLAYOUTSTYLE_LineDirection 0x08
+#define FX_RTFLAYOUTSTYLE_ExpandTab 0x10
+#define FX_RTFLAYOUTSTYLE_ArabicNumber 0x20
+#define FX_RTFLAYOUTSTYLE_SingleLine 0x40
+#define FX_RTFLAYOUTSTYLE_MBCSCode 0x80
+#define FX_RTFCHARSTYLE_Alignment 0x000F
+#define FX_RTFCHARSTYLE_ArabicNumber 0x0010
+#define FX_RTFCHARSTYLE_ArabicShadda 0x0020
+#define FX_RTFCHARSTYLE_OddBidiLevel 0x0040
+#define FX_RTFCHARSTYLE_RTLReadingOrder 0x0080
+#define FX_RTFCHARSTYLE_ArabicContext 0x0300
+#define FX_RTFCHARSTYLE_ArabicIndic 0x0400
+#define FX_RTFCHARSTYLE_ArabicComma 0x0800
+#define FX_RTFLINEALIGNMENT_Left 0
+#define FX_RTFLINEALIGNMENT_Center 1
+#define FX_RTFLINEALIGNMENT_Right 2
+#define FX_RTFLINEALIGNMENT_Justified (1 << 2)
+#define FX_RTFLINEALIGNMENT_Distributed (2 << 2)
+#define FX_RTFLINEALIGNMENT_JustifiedLeft \
+ (FX_RTFLINEALIGNMENT_Left | FX_RTFLINEALIGNMENT_Justified)
+#define FX_RTFLINEALIGNMENT_JustifiedCenter \
+ (FX_RTFLINEALIGNMENT_Center | FX_RTFLINEALIGNMENT_Justified)
+#define FX_RTFLINEALIGNMENT_JustifiedRight \
+ (FX_RTFLINEALIGNMENT_Right | FX_RTFLINEALIGNMENT_Justified)
+#define FX_RTFLINEALIGNMENT_DistributedLeft \
+ (FX_RTFLINEALIGNMENT_Left | FX_RTFLINEALIGNMENT_Distributed)
+#define FX_RTFLINEALIGNMENT_DistributedCenter \
+ (FX_RTFLINEALIGNMENT_Center | FX_RTFLINEALIGNMENT_Distributed)
+#define FX_RTFLINEALIGNMENT_DistributedRight \
+ (FX_RTFLINEALIGNMENT_Right | FX_RTFLINEALIGNMENT_Distributed)
+#define FX_RTFLINEALIGNMENT_LowerMask 0x03
+#define FX_RTFLINEALIGNMENT_HigherMask 0x0C
+
+struct FX_RTFTEXTOBJ {
+ FX_RTFTEXTOBJ() {
+ pStr = NULL;
+ pWidths = NULL;
+ iLength = 0;
+ pFont = NULL;
+ fFontSize = 12.0f;
+ dwLayoutStyles = 0;
+ iCharRotation = 0;
+ iBidiLevel = 0;
+ pRect = NULL;
+ wLineBreakChar = L'\n';
+ iHorizontalScale = 100;
+ iVerticalScale = 100;
+ }
+
+ const FX_WCHAR* pStr;
+ int32_t* pWidths;
+ int32_t iLength;
+ IFX_Font* pFont;
+ FX_FLOAT fFontSize;
+ FX_DWORD dwLayoutStyles;
+ int32_t iCharRotation;
+ int32_t iBidiLevel;
+ const CFX_RectF* pRect;
+ FX_WCHAR wLineBreakChar;
+ int32_t iHorizontalScale;
+ int32_t iVerticalScale;
+};
+
+class CFX_RTFPiece : public CFX_Target {
+ public:
+ CFX_RTFPiece()
+ : m_dwStatus(FX_RTFBREAK_PieceBreak),
+ m_iStartPos(0),
+ m_iWidth(-1),
+ m_iStartChar(0),
+ m_iChars(0),
+ m_iBidiLevel(0),
+ m_iBidiPos(0),
+ m_iFontSize(0),
+ m_iFontHeight(0),
+ m_iHorizontalScale(100),
+ m_iVerticalScale(100),
+ m_dwLayoutStyles(0),
+ m_dwIdentity(0),
+ m_pChars(NULL),
+ m_pUserData(NULL) {}
+ ~CFX_RTFPiece() { Reset(); }
+ void AppendChar(const CFX_RTFChar& tc) {
+ FXSYS_assert(m_pChars != NULL);
+ m_pChars->Add(tc);
+ if (m_iWidth < 0) {
+ m_iWidth = tc.m_iCharWidth;
+ } else {
+ m_iWidth += tc.m_iCharWidth;
+ }
+ m_iChars++;
+ }
+ int32_t GetEndPos() const {
+ return m_iWidth < 0 ? m_iStartPos : m_iStartPos + m_iWidth;
+ }
+ int32_t GetLength() const { return m_iChars; }
+ int32_t GetEndChar() const { return m_iStartChar + m_iChars; }
+ CFX_RTFChar& GetChar(int32_t index) {
+ FXSYS_assert(index > -1 && index < m_iChars && m_pChars != NULL);
+ return *m_pChars->GetDataPtr(m_iStartChar + index);
+ }
+ CFX_RTFChar* GetCharPtr(int32_t index) const {
+ FXSYS_assert(index > -1 && index < m_iChars && m_pChars != NULL);
+ return m_pChars->GetDataPtr(m_iStartChar + index);
+ }
+ void GetString(FX_WCHAR* pText) const {
+ FXSYS_assert(pText != NULL);
+ int32_t iEndChar = m_iStartChar + m_iChars;
+ CFX_RTFChar* pChar;
+ for (int32_t i = m_iStartChar; i < iEndChar; i++) {
+ pChar = m_pChars->GetDataPtr(i);
+ *pText++ = (FX_WCHAR)pChar->m_wCharCode;
+ }
+ }
+ void GetString(CFX_WideString& wsText) const {
+ FX_WCHAR* pText = wsText.GetBuffer(m_iChars);
+ GetString(pText);
+ wsText.ReleaseBuffer(m_iChars);
+ }
+ void GetWidths(int32_t* pWidths) const {
+ FXSYS_assert(pWidths != NULL);
+ int32_t iEndChar = m_iStartChar + m_iChars;
+ CFX_RTFChar* pChar;
+ for (int32_t i = m_iStartChar; i < iEndChar; i++) {
+ pChar = m_pChars->GetDataPtr(i);
+ *pWidths++ = pChar->m_iCharWidth;
+ }
+ }
+ void Reset() {
+ m_dwStatus = FX_RTFBREAK_PieceBreak;
+ if (m_iWidth > -1) {
+ m_iStartPos += m_iWidth;
+ }
+ m_iWidth = -1;
+ m_iStartChar += m_iChars;
+ m_iChars = 0;
+ m_iBidiLevel = 0;
+ m_iBidiPos = 0;
+ m_iHorizontalScale = 100;
+ m_iVerticalScale = 100;
+ }
+ FX_DWORD m_dwStatus;
+ int32_t m_iStartPos;
+ int32_t m_iWidth;
+ int32_t m_iStartChar;
+ int32_t m_iChars;
+ int32_t m_iBidiLevel;
+ int32_t m_iBidiPos;
+ int32_t m_iFontSize;
+ int32_t m_iFontHeight;
+ int32_t m_iHorizontalScale;
+ int32_t m_iVerticalScale;
+ FX_DWORD m_dwLayoutStyles;
+ FX_DWORD m_dwIdentity;
+ CFX_RTFCharArray* m_pChars;
+ IFX_Unknown* m_pUserData;
+};
+typedef CFX_BaseArrayTemplate<CFX_RTFPiece> CFX_RTFPieceArray;
+
+class IFX_RTFBreak {
+ public:
+ static IFX_RTFBreak* Create(FX_DWORD dwPolicies);
+ virtual ~IFX_RTFBreak() {}
+ virtual void Release() = 0;
+ virtual void SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) = 0;
+ virtual void SetLineStartPos(FX_FLOAT fLinePos) = 0;
+ virtual FX_DWORD GetLayoutStyles() const = 0;
+ virtual void SetLayoutStyles(FX_DWORD dwLayoutStyles) = 0;
+ virtual void SetFont(IFX_Font* pFont) = 0;
+ virtual void SetFontSize(FX_FLOAT fFontSize) = 0;
+ virtual void SetTabWidth(FX_FLOAT fTabWidth) = 0;
+ virtual void AddPositionedTab(FX_FLOAT fTabPos) = 0;
+ virtual void SetPositionedTabs(const CFX_FloatArray& tabs) = 0;
+ virtual void ClearPositionedTabs() = 0;
+ virtual void SetDefaultChar(FX_WCHAR wch) = 0;
+ virtual void SetLineBreakChar(FX_WCHAR wch) = 0;
+ virtual void SetLineBreakTolerance(FX_FLOAT fTolerance) = 0;
+ virtual void SetHorizontalScale(int32_t iScale) = 0;
+ virtual void SetVerticalScale(int32_t iScale) = 0;
+ virtual void SetCharRotation(int32_t iCharRotation) = 0;
+ virtual void SetCharSpace(FX_FLOAT fCharSpace) = 0;
+ virtual void SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) = 0;
+ virtual void SetReadingOrder(FX_BOOL bRTL = FALSE) = 0;
+ virtual void SetAlignment(int32_t iAlignment = FX_RTFLINEALIGNMENT_Left) = 0;
+ virtual void SetUserData(IFX_Unknown* pUserData) = 0;
+ virtual FX_DWORD AppendChar(FX_WCHAR wch) = 0;
+ virtual FX_DWORD EndBreak(FX_DWORD dwStatus = FX_RTFBREAK_PieceBreak) = 0;
+ virtual int32_t CountBreakPieces() const = 0;
+ virtual const CFX_RTFPiece* GetBreakPiece(int32_t index) const = 0;
+ virtual void GetLineRect(CFX_RectF& rect) const = 0;
+ virtual void ClearBreakPieces() = 0;
+ virtual void Reset() = 0;
+ virtual int32_t GetDisplayPos(
+ const FX_RTFTEXTOBJ* pText,
+ FXTEXT_CHARPOS* pCharPos,
+ FX_BOOL bCharCode = FALSE,
+ CFX_WideString* pWSForms = NULL,
+ FX_AdjustCharDisplayPos pAdjustPos = NULL) const = 0;
+ virtual int32_t GetCharRects(const FX_RTFTEXTOBJ* pText,
+ CFX_RectFArray& rtArray,
+ FX_BOOL bCharBBox = FALSE) const = 0;
+};
+
+#endif // XFA_SRC_FGAS_LAYOUT_FGAS_RTFBREAK_H_
diff --git a/xfa/src/fgas/layout/fgas_textbreak.cpp b/xfa/src/fgas/layout/fgas_textbreak.cpp
new file mode 100644
index 0000000000..af7be50a51
--- /dev/null
+++ b/xfa/src/fgas/layout/fgas_textbreak.cpp
@@ -0,0 +1,1824 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/src/fgas/layout/fgas_textbreak.h"
+
+#include <algorithm>
+
+#include "core/include/fxcrt/fx_arb.h"
+#include "core/include/fxcrt/fx_memory.h"
+#include "xfa/src/fgas/layout/fgas_linebreak.h"
+#include "xfa/src/fgas/layout/fgas_unicode.h"
+
+namespace {
+
+class CFX_TxtLine {
+ public:
+ CFX_TxtLine(int32_t iBlockSize)
+ : m_iStart(0), m_iWidth(0), m_iArabicChars(0) {
+ m_pLineChars = new CFX_TxtCharArray;
+ m_pLinePieces = new CFX_TxtPieceArray(16);
+ }
+ ~CFX_TxtLine() {
+ RemoveAll();
+ delete m_pLineChars;
+ delete m_pLinePieces;
+ }
+ int32_t CountChars() const { return m_pLineChars->GetSize(); }
+ CFX_TxtChar* GetCharPtr(int32_t index) const {
+ FXSYS_assert(index > -1 && index < m_pLineChars->GetSize());
+ return m_pLineChars->GetDataPtr(index);
+ }
+ int32_t CountPieces() const { return m_pLinePieces->GetSize(); }
+ CFX_TxtPiece* GetPiecePtr(int32_t index) const {
+ FXSYS_assert(index > -1 && index < m_pLinePieces->GetSize());
+ return m_pLinePieces->GetPtrAt(index);
+ }
+ void GetString(CFX_WideString& wsStr) const {
+ int32_t iCount = m_pLineChars->GetSize();
+ FX_WCHAR* pBuf = wsStr.GetBuffer(iCount);
+ CFX_Char* pChar;
+ for (int32_t i = 0; i < iCount; i++) {
+ pChar = m_pLineChars->GetDataPtr(i);
+ *pBuf++ = (FX_WCHAR)pChar->m_wCharCode;
+ }
+ wsStr.ReleaseBuffer(iCount);
+ }
+ void RemoveAll(FX_BOOL bLeaveMemory = FALSE) {
+ m_pLineChars->RemoveAll();
+ m_pLinePieces->RemoveAll(bLeaveMemory);
+ m_iWidth = 0;
+ m_iArabicChars = 0;
+ }
+ CFX_TxtCharArray* m_pLineChars;
+ CFX_TxtPieceArray* m_pLinePieces;
+ int32_t m_iStart;
+ int32_t m_iWidth;
+ int32_t m_iArabicChars;
+};
+
+class CFX_TxtBreak : public IFX_TxtBreak {
+ public:
+ CFX_TxtBreak(FX_DWORD dwPolicies);
+ ~CFX_TxtBreak();
+ virtual void Release() { delete this; }
+ virtual void SetLineWidth(FX_FLOAT fLineWidth);
+ virtual void SetLinePos(FX_FLOAT fLinePos);
+ virtual FX_DWORD GetLayoutStyles() const { return m_dwLayoutStyles; }
+ virtual void SetLayoutStyles(FX_DWORD dwLayoutStyles);
+ virtual void SetFont(IFX_Font* pFont);
+ virtual void SetFontSize(FX_FLOAT fFontSize);
+ virtual void SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant);
+ virtual void SetDefaultChar(FX_WCHAR wch);
+ virtual void SetParagraphBreakChar(FX_WCHAR wch);
+ virtual void SetLineBreakTolerance(FX_FLOAT fTolerance);
+ virtual void SetHorizontalScale(int32_t iScale);
+ virtual void SetVerticalScale(int32_t iScale);
+ virtual void SetCharRotation(int32_t iCharRotation);
+ virtual void SetCharSpace(FX_FLOAT fCharSpace);
+ virtual void SetAlignment(int32_t iAlignment);
+ virtual FX_DWORD GetContextCharStyles() const;
+ virtual void SetContextCharStyles(FX_DWORD dwCharStyles);
+ virtual void SetCombWidth(FX_FLOAT fCombWidth);
+ virtual void SetUserData(void* pUserData);
+ virtual FX_DWORD AppendChar(FX_WCHAR wch);
+ virtual FX_DWORD EndBreak(FX_DWORD dwStatus = FX_TXTBREAK_PieceBreak);
+ virtual int32_t CountBreakChars() const;
+ virtual int32_t CountBreakPieces() const;
+ virtual const CFX_TxtPiece* GetBreakPiece(int32_t index) const;
+ virtual void ClearBreakPieces();
+ virtual void Reset();
+ virtual int32_t GetDisplayPos(
+ const FX_TXTRUN* pTxtRun,
+ FXTEXT_CHARPOS* pCharPos,
+ FX_BOOL bCharCode = FALSE,
+ CFX_WideString* pWSForms = NULL,
+ FX_AdjustCharDisplayPos pAdjustPos = NULL) const;
+ virtual int32_t GetCharRects(const FX_TXTRUN* pTxtRun,
+ CFX_RectFArray& rtArray,
+ FX_BOOL bCharBBox = FALSE) const;
+ void AppendChar_PageLoad(CFX_Char* pCurChar, FX_DWORD dwProps);
+ FX_DWORD AppendChar_Combination(CFX_Char* pCurChar, int32_t iRotation);
+ FX_DWORD AppendChar_Tab(CFX_Char* pCurChar, int32_t iRotation);
+ FX_DWORD AppendChar_Control(CFX_Char* pCurChar, int32_t iRotation);
+ FX_DWORD AppendChar_Arabic(CFX_Char* pCurChar, int32_t iRotation);
+ FX_DWORD AppendChar_Others(CFX_Char* pCurChar, int32_t iRotation);
+
+ protected:
+ FX_DWORD m_dwPolicies;
+ FX_BOOL m_bPagination;
+ IFX_ArabicChar* m_pArabicChar;
+ int32_t m_iLineWidth;
+ FX_DWORD m_dwLayoutStyles;
+ FX_BOOL m_bVertical;
+ FX_BOOL m_bArabicContext;
+ FX_BOOL m_bArabicShapes;
+ FX_BOOL m_bRTL;
+ FX_BOOL m_bSingleLine;
+ FX_BOOL m_bCombText;
+ int32_t m_iArabicContext;
+ int32_t m_iCurArabicContext;
+ IFX_Font* m_pFont;
+ int32_t m_iFontSize;
+ FX_BOOL m_bEquidistant;
+ int32_t m_iTabWidth;
+ FX_WCHAR m_wDefChar;
+ FX_WCHAR m_wParagBreakChar;
+ int32_t m_iDefChar;
+ int32_t m_iLineRotation;
+ int32_t m_iCharRotation;
+ int32_t m_iRotation;
+ int32_t m_iAlignment;
+ FX_DWORD m_dwContextCharStyles;
+ int32_t m_iCombWidth;
+ void* m_pUserData;
+ FX_DWORD m_dwCharType;
+ FX_BOOL m_bCurRTL;
+ int32_t m_iCurAlignment;
+ FX_BOOL m_bArabicNumber;
+ FX_BOOL m_bArabicComma;
+ CFX_TxtLine* m_pTxtLine1;
+ CFX_TxtLine* m_pTxtLine2;
+ CFX_TxtLine* m_pCurLine;
+ int32_t m_iReady;
+ int32_t m_iTolerance;
+ int32_t m_iHorScale;
+ int32_t m_iVerScale;
+ int32_t m_iCharSpace;
+ void SetBreakStatus();
+ int32_t GetLineRotation(FX_DWORD dwStyles) const;
+ CFX_TxtChar* GetLastChar(int32_t index, FX_BOOL bOmitChar = TRUE) const;
+ CFX_TxtLine* GetTxtLine(FX_BOOL bReady) const;
+ CFX_TxtPieceArray* GetTxtPieces(FX_BOOL bReady) const;
+ FX_DWORD GetUnifiedCharType(FX_DWORD dwType) const;
+ void ResetArabicContext();
+ void ResetContextCharStyles();
+ void EndBreak_UpdateArabicShapes();
+ FX_BOOL EndBreak_SplitLine(CFX_TxtLine* pNextLine,
+ FX_BOOL bAllChars,
+ FX_DWORD dwStatus);
+ void EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus);
+ void EndBreak_Alignment(CFX_TPOArray& tpos,
+ FX_BOOL bAllChars,
+ FX_DWORD dwStatus);
+ int32_t GetBreakPos(CFX_TxtCharArray& ca,
+ int32_t& iEndPos,
+ FX_BOOL bAllChars = FALSE,
+ FX_BOOL bOnlyBrk = FALSE);
+ void SplitTextLine(CFX_TxtLine* pCurLine,
+ CFX_TxtLine* pNextLine,
+ FX_BOOL bAllChars = FALSE);
+};
+
+} // namespace
+
+extern const FX_LINEBREAKTYPE gs_FX_LineBreak_PairTable[64][32];
+IFX_TxtBreak* IFX_TxtBreak::Create(FX_DWORD dwPolicies) {
+ return new CFX_TxtBreak(dwPolicies);
+}
+CFX_TxtBreak::CFX_TxtBreak(FX_DWORD dwPolicies)
+ : m_dwPolicies(dwPolicies),
+ m_pArabicChar(NULL),
+ m_iLineWidth(2000000),
+ m_dwLayoutStyles(0),
+ m_bVertical(FALSE),
+ m_bArabicContext(FALSE),
+ m_bArabicShapes(FALSE),
+ m_bRTL(FALSE),
+ m_bSingleLine(FALSE),
+ m_bCombText(FALSE),
+ m_iArabicContext(1),
+ m_iCurArabicContext(1),
+ m_pFont(NULL),
+ m_iFontSize(240),
+ m_bEquidistant(TRUE),
+ m_iTabWidth(720000),
+ m_wDefChar(0xFEFF),
+ m_wParagBreakChar(L'\n'),
+ m_iDefChar(0),
+ m_iLineRotation(0),
+ m_iCharRotation(0),
+ m_iRotation(0),
+ m_iAlignment(FX_TXTLINEALIGNMENT_Left),
+ m_dwContextCharStyles(0),
+ m_iCombWidth(360000),
+ m_pUserData(NULL),
+ m_dwCharType(0),
+ m_bArabicNumber(FALSE),
+ m_bArabicComma(FALSE),
+ m_pCurLine(NULL),
+ m_iReady(0),
+ m_iTolerance(0),
+ m_iHorScale(100),
+ m_iVerScale(100),
+ m_iCharSpace(0) {
+ m_bPagination = (m_dwPolicies & FX_TXTBREAKPOLICY_Pagination) != 0;
+ m_pArabicChar = IFX_ArabicChar::Create();
+ if (m_bPagination) {
+ m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_Char));
+ m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_Char));
+ } else {
+ m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_TxtChar));
+ m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_TxtChar));
+ }
+ m_pCurLine = m_pTxtLine1;
+ ResetArabicContext();
+}
+CFX_TxtBreak::~CFX_TxtBreak() {
+ Reset();
+ delete m_pTxtLine1;
+ delete m_pTxtLine2;
+ m_pArabicChar->Release();
+}
+void CFX_TxtBreak::SetLineWidth(FX_FLOAT fLineWidth) {
+ m_iLineWidth = FXSYS_round(fLineWidth * 20000.0f);
+ FXSYS_assert(m_iLineWidth >= 20000);
+}
+void CFX_TxtBreak::SetLinePos(FX_FLOAT fLinePos) {
+ int32_t iLinePos = FXSYS_round(fLinePos * 20000.0f);
+ if (iLinePos < 0) {
+ iLinePos = 0;
+ }
+ if (iLinePos > m_iLineWidth) {
+ iLinePos = m_iLineWidth;
+ }
+ m_pCurLine->m_iStart = iLinePos;
+ m_pCurLine->m_iWidth += iLinePos;
+}
+void CFX_TxtBreak::SetLayoutStyles(FX_DWORD dwLayoutStyles) {
+ m_dwLayoutStyles = dwLayoutStyles;
+ m_bVertical = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_VerticalChars) != 0;
+ m_bArabicContext = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ArabicContext) != 0;
+ m_bArabicShapes = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ArabicShapes) != 0;
+ m_bRTL = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_RTLReadingOrder) != 0;
+ m_bSingleLine = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_SingleLine) != 0;
+ m_bCombText = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
+ ResetArabicContext();
+ m_iLineRotation = GetLineRotation(m_dwLayoutStyles);
+ m_iRotation = m_iLineRotation + m_iCharRotation;
+ m_iRotation %= 4;
+}
+void CFX_TxtBreak::SetFont(IFX_Font* pFont) {
+ if (pFont == NULL) {
+ return;
+ }
+ if (m_pFont == pFont) {
+ return;
+ }
+ SetBreakStatus();
+ m_pFont = pFont;
+ m_iDefChar = 0;
+ if (m_wDefChar != 0xFEFF && m_pFont != NULL) {
+ m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
+ m_iDefChar *= m_iFontSize;
+ }
+}
+void CFX_TxtBreak::SetFontSize(FX_FLOAT fFontSize) {
+ int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
+ if (m_iFontSize == iFontSize) {
+ return;
+ }
+ SetBreakStatus();
+ m_iFontSize = iFontSize;
+ m_iDefChar = 0;
+ if (m_wDefChar != 0xFEFF && m_pFont != NULL) {
+ m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
+ m_iDefChar *= m_iFontSize;
+ }
+}
+void CFX_TxtBreak::SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) {
+ m_iTabWidth = FXSYS_round(fTabWidth * 20000.0f);
+ if (m_iTabWidth < FX_TXTBREAK_MinimumTabWidth) {
+ m_iTabWidth = FX_TXTBREAK_MinimumTabWidth;
+ }
+ m_bEquidistant = bEquidistant;
+}
+void CFX_TxtBreak::SetDefaultChar(FX_WCHAR wch) {
+ m_wDefChar = wch;
+ m_iDefChar = 0;
+ if (m_wDefChar != 0xFEFF && m_pFont != NULL) {
+ m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
+ if (m_iDefChar < 0) {
+ m_iDefChar = 0;
+ } else {
+ m_iDefChar *= m_iFontSize;
+ }
+ }
+}
+void CFX_TxtBreak::SetParagraphBreakChar(FX_WCHAR wch) {
+ if (wch != L'\r' && wch != L'\n') {
+ return;
+ }
+ m_wParagBreakChar = wch;
+}
+void CFX_TxtBreak::SetLineBreakTolerance(FX_FLOAT fTolerance) {
+ m_iTolerance = FXSYS_round(fTolerance * 20000.0f);
+}
+void CFX_TxtBreak::SetCharRotation(int32_t iCharRotation) {
+ if (iCharRotation < 0) {
+ iCharRotation += (-iCharRotation / 4 + 1) * 4;
+ } else if (iCharRotation > 3) {
+ iCharRotation -= (iCharRotation / 4) * 4;
+ }
+ if (m_iCharRotation == iCharRotation) {
+ return;
+ }
+ SetBreakStatus();
+ m_iCharRotation = iCharRotation;
+ m_iRotation = m_iLineRotation + m_iCharRotation;
+ m_iRotation %= 4;
+}
+void CFX_TxtBreak::SetAlignment(int32_t iAlignment) {
+ FXSYS_assert(iAlignment >= FX_TXTLINEALIGNMENT_Left &&
+ iAlignment <= FX_TXTLINEALIGNMENT_Distributed);
+ m_iAlignment = iAlignment;
+ ResetArabicContext();
+}
+void CFX_TxtBreak::ResetContextCharStyles() {
+ m_dwContextCharStyles = m_bArabicContext ? m_iCurAlignment : m_iAlignment;
+ if (m_bArabicNumber) {
+ m_dwContextCharStyles |= FX_TXTCHARSTYLE_ArabicNumber;
+ }
+ if (m_bArabicComma) {
+ m_dwContextCharStyles |= FX_TXTCHARSTYLE_ArabicComma;
+ }
+ if ((m_bArabicContext && m_bCurRTL) || (!m_bArabicContext && m_bRTL)) {
+ m_dwContextCharStyles |= FX_TXTCHARSTYLE_RTLReadingOrder;
+ }
+ m_dwContextCharStyles |= (m_iArabicContext << 8);
+}
+FX_DWORD CFX_TxtBreak::GetContextCharStyles() const {
+ return m_dwContextCharStyles;
+}
+void CFX_TxtBreak::SetContextCharStyles(FX_DWORD dwCharStyles) {
+ m_iCurAlignment = dwCharStyles & 0x0F;
+ m_bArabicNumber = (dwCharStyles & FX_TXTCHARSTYLE_ArabicNumber) != 0;
+ m_bArabicComma = (dwCharStyles & FX_TXTCHARSTYLE_ArabicComma) != 0;
+ m_bCurRTL = (dwCharStyles & FX_TXTCHARSTYLE_RTLReadingOrder) != 0;
+ m_iCurArabicContext = m_iArabicContext = ((dwCharStyles & 0x0300) >> 8);
+ ResetContextCharStyles();
+}
+void CFX_TxtBreak::SetCombWidth(FX_FLOAT fCombWidth) {
+ m_iCombWidth = FXSYS_round(fCombWidth * 20000.0f);
+}
+void CFX_TxtBreak::SetUserData(void* pUserData) {
+ if (m_pUserData == pUserData) {
+ return;
+ }
+ SetBreakStatus();
+ m_pUserData = pUserData;
+}
+void CFX_TxtBreak::SetBreakStatus() {
+ if (m_bPagination) {
+ return;
+ }
+ int32_t iCount = m_pCurLine->CountChars();
+ if (iCount < 1) {
+ return;
+ }
+ CFX_TxtChar* pTC = (CFX_TxtChar*)m_pCurLine->GetCharPtr(iCount - 1);
+ if (pTC->m_dwStatus == 0) {
+ pTC->m_dwStatus = FX_TXTBREAK_PieceBreak;
+ }
+}
+void CFX_TxtBreak::SetHorizontalScale(int32_t iScale) {
+ if (iScale < 0) {
+ iScale = 0;
+ }
+ if (iScale == m_iHorScale) {
+ return;
+ }
+ SetBreakStatus();
+ m_iHorScale = iScale;
+}
+void CFX_TxtBreak::SetVerticalScale(int32_t iScale) {
+ if (iScale < 0) {
+ iScale = 0;
+ }
+ if (iScale == m_iHorScale) {
+ return;
+ }
+ SetBreakStatus();
+ m_iVerScale = iScale;
+}
+void CFX_TxtBreak::SetCharSpace(FX_FLOAT fCharSpace) {
+ m_iCharSpace = FXSYS_round(fCharSpace * 20000.0f);
+}
+static const int32_t gs_FX_TxtLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2};
+int32_t CFX_TxtBreak::GetLineRotation(FX_DWORD dwStyles) const {
+ return gs_FX_TxtLineRotations[(dwStyles & 0x0E) >> 1];
+}
+CFX_TxtChar* CFX_TxtBreak::GetLastChar(int32_t index, FX_BOOL bOmitChar) const {
+ CFX_TxtCharArray& ca = *m_pCurLine->m_pLineChars;
+ int32_t iCount = ca.GetSize();
+ if (index < 0 || index >= iCount) {
+ return NULL;
+ }
+ CFX_TxtChar* pTC;
+ int32_t iStart = iCount - 1;
+ while (iStart > -1) {
+ pTC = ca.GetDataPtr(iStart--);
+ if (bOmitChar && pTC->GetCharType() == FX_CHARTYPE_Combination) {
+ continue;
+ }
+ if (--index < 0) {
+ return pTC;
+ }
+ }
+ return NULL;
+}
+CFX_TxtLine* CFX_TxtBreak::GetTxtLine(FX_BOOL bReady) const {
+ if (!bReady) {
+ return m_pCurLine;
+ }
+ if (m_iReady == 1) {
+ return m_pTxtLine1;
+ } else if (m_iReady == 2) {
+ return m_pTxtLine2;
+ } else {
+ return NULL;
+ }
+}
+CFX_TxtPieceArray* CFX_TxtBreak::GetTxtPieces(FX_BOOL bReady) const {
+ CFX_TxtLine* pTxtLine = GetTxtLine(bReady);
+ if (pTxtLine == NULL) {
+ return NULL;
+ }
+ return pTxtLine->m_pLinePieces;
+}
+inline FX_DWORD CFX_TxtBreak::GetUnifiedCharType(FX_DWORD dwType) const {
+ return dwType >= FX_CHARTYPE_ArabicAlef ? FX_CHARTYPE_Arabic : dwType;
+}
+void CFX_TxtBreak::ResetArabicContext() {
+ if (m_bArabicContext) {
+ m_bCurRTL = m_iCurArabicContext > 1;
+ m_iCurAlignment = m_iCurArabicContext > 1 ? FX_TXTLINEALIGNMENT_Right
+ : FX_TXTLINEALIGNMENT_Left;
+ m_iCurAlignment |= (m_iAlignment & FX_TXTLINEALIGNMENT_HigherMask);
+ m_bArabicNumber = m_iArabicContext >= 1 && m_bArabicShapes;
+ } else {
+ if (m_bPagination) {
+ m_bCurRTL = FALSE;
+ m_iCurAlignment = 0;
+ } else {
+ m_bCurRTL = m_bRTL;
+ m_iCurAlignment = m_iAlignment;
+ }
+ if (m_bRTL) {
+ m_bArabicNumber = m_iArabicContext >= 1;
+ } else {
+ m_bArabicNumber = m_iArabicContext > 1;
+ }
+ m_bArabicNumber = m_bArabicNumber && m_bArabicShapes;
+ }
+ m_bArabicComma = m_bArabicNumber;
+ ResetContextCharStyles();
+}
+void CFX_TxtBreak::AppendChar_PageLoad(CFX_Char* pCurChar, FX_DWORD dwProps) {
+ if (!m_bPagination) {
+ ((CFX_TxtChar*)pCurChar)->m_dwStatus = 0;
+ ((CFX_TxtChar*)pCurChar)->m_pUserData = m_pUserData;
+ }
+ if (m_bArabicContext || m_bArabicShapes) {
+ int32_t iBidiCls = (dwProps & FX_BIDICLASSBITSMASK) >> FX_BIDICLASSBITS;
+ int32_t iArabicContext =
+ (iBidiCls == FX_BIDICLASS_R || iBidiCls == FX_BIDICLASS_AL)
+ ? 2
+ : ((iBidiCls == FX_BIDICLASS_L || iBidiCls == FX_BIDICLASS_S) ? 0
+ : 1);
+ if (iArabicContext != m_iArabicContext && iArabicContext != 1) {
+ m_iArabicContext = iArabicContext;
+ if (m_iCurArabicContext == 1) {
+ m_iCurArabicContext = iArabicContext;
+ }
+ ResetArabicContext();
+ if (!m_bPagination) {
+ CFX_TxtChar* pLastChar = (CFX_TxtChar*)GetLastChar(1, FALSE);
+ if (pLastChar != NULL && pLastChar->m_dwStatus < 1) {
+ pLastChar->m_dwStatus = FX_TXTBREAK_PieceBreak;
+ }
+ }
+ }
+ }
+ pCurChar->m_dwCharStyles = m_dwContextCharStyles;
+}
+FX_DWORD CFX_TxtBreak::AppendChar_Combination(CFX_Char* pCurChar,
+ int32_t iRotation) {
+ FXSYS_assert(pCurChar != NULL);
+ FX_WCHAR wch = pCurChar->m_wCharCode;
+ FX_WCHAR wForm;
+ int32_t iCharWidth = 0;
+ CFX_Char* pLastChar;
+ pCurChar->m_iCharWidth = -1;
+ if (m_bCombText) {
+ iCharWidth = m_iCombWidth;
+ } else {
+ if (m_bVertical != FX_IsOdd(iRotation)) {
+ iCharWidth = 1000;
+ } else {
+ wForm = wch;
+ if (!m_bPagination) {
+ pLastChar = GetLastChar(0, FALSE);
+ if (pLastChar != NULL &&
+ (((CFX_TxtChar*)pLastChar)->m_dwCharStyles &
+ FX_TXTCHARSTYLE_ArabicShadda) == 0) {
+ FX_BOOL bShadda = FALSE;
+ if (wch == 0x0651) {
+ FX_WCHAR wLast = pLastChar->m_wCharCode;
+ if (wLast >= 0x064C && wLast <= 0x0650) {
+ wForm = FX_GetArabicFromShaddaTable(wLast);
+ bShadda = TRUE;
+ }
+ } else if (wch >= 0x064C && wch <= 0x0650) {
+ if (pLastChar->m_wCharCode == 0x0651) {
+ wForm = FX_GetArabicFromShaddaTable(wch);
+ bShadda = TRUE;
+ }
+ }
+ if (bShadda) {
+ ((CFX_TxtChar*)pLastChar)->m_dwCharStyles |=
+ FX_TXTCHARSTYLE_ArabicShadda;
+ ((CFX_TxtChar*)pLastChar)->m_iCharWidth = 0;
+ ((CFX_TxtChar*)pCurChar)->m_dwCharStyles |=
+ FX_TXTCHARSTYLE_ArabicShadda;
+ }
+ }
+ }
+ if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) {
+ iCharWidth = 0;
+ }
+ }
+ iCharWidth *= m_iFontSize;
+ iCharWidth = iCharWidth * m_iHorScale / 100;
+ }
+ pCurChar->m_iCharWidth = -iCharWidth;
+ return FX_TXTBREAK_None;
+}
+FX_DWORD CFX_TxtBreak::AppendChar_Tab(CFX_Char* pCurChar, int32_t iRotation) {
+ m_dwCharType = FX_CHARTYPE_Tab;
+ if ((m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ExpandTab) == 0) {
+ return FX_TXTBREAK_None;
+ }
+ int32_t& iLineWidth = m_pCurLine->m_iWidth;
+ int32_t iCharWidth;
+ if (m_bCombText) {
+ iCharWidth = m_iCombWidth;
+ } else {
+ if (m_bEquidistant) {
+ iCharWidth = iLineWidth;
+ iCharWidth = m_iTabWidth * (iCharWidth / m_iTabWidth + 1) - iCharWidth;
+ if (iCharWidth < FX_TXTBREAK_MinimumTabWidth) {
+ iCharWidth += m_iTabWidth;
+ }
+ } else {
+ iCharWidth = m_iTabWidth;
+ }
+ }
+ pCurChar->m_iCharWidth = iCharWidth;
+ iLineWidth += iCharWidth;
+ if (!m_bSingleLine && iLineWidth >= m_iLineWidth + m_iTolerance) {
+ return EndBreak(FX_TXTBREAK_LineBreak);
+ }
+ return FX_TXTBREAK_None;
+}
+FX_DWORD CFX_TxtBreak::AppendChar_Control(CFX_Char* pCurChar,
+ int32_t iRotation) {
+ m_dwCharType = FX_CHARTYPE_Control;
+ FX_DWORD dwRet = FX_TXTBREAK_None;
+ if (!m_bSingleLine) {
+ FX_WCHAR wch = pCurChar->m_wCharCode;
+ switch (wch) {
+ case L'\v':
+ case 0x2028:
+ dwRet = FX_TXTBREAK_LineBreak;
+ break;
+ case L'\f':
+ dwRet = FX_TXTBREAK_PageBreak;
+ break;
+ case 0x2029:
+ dwRet = FX_TXTBREAK_ParagraphBreak;
+ break;
+ default:
+ if (wch == m_wParagBreakChar) {
+ dwRet = FX_TXTBREAK_ParagraphBreak;
+ }
+ break;
+ }
+ if (dwRet != FX_TXTBREAK_None) {
+ dwRet = EndBreak(dwRet);
+ }
+ }
+ return dwRet;
+}
+FX_DWORD CFX_TxtBreak::AppendChar_Arabic(CFX_Char* pCurChar,
+ int32_t iRotation) {
+ FX_DWORD dwType = (pCurChar->m_dwCharProps & FX_CHARTYPEBITSMASK);
+ int32_t& iLineWidth = m_pCurLine->m_iWidth;
+ FX_WCHAR wForm;
+ int32_t iCharWidth = 0;
+ CFX_Char* pLastChar = NULL;
+ FX_BOOL bAlef = FALSE;
+ if (!m_bCombText && m_dwCharType >= FX_CHARTYPE_ArabicAlef &&
+ m_dwCharType <= FX_CHARTYPE_ArabicDistortion) {
+ pLastChar = GetLastChar(1);
+ if (pLastChar != NULL) {
+ iCharWidth = pLastChar->m_iCharWidth;
+ if (iCharWidth > 0) {
+ iLineWidth -= iCharWidth;
+ }
+ CFX_Char* pPrevChar = GetLastChar(2);
+ wForm = m_pArabicChar->GetFormChar(pLastChar, pPrevChar, pCurChar);
+ bAlef = (wForm == 0xFEFF &&
+ pLastChar->GetCharType() == FX_CHARTYPE_ArabicAlef);
+ int32_t iLastRotation = pLastChar->m_nRotation + m_iLineRotation;
+ if (m_bVertical && (pLastChar->m_dwCharProps & 0x8000) != 0) {
+ iLastRotation++;
+ }
+ if (m_bVertical != FX_IsOdd(iLastRotation)) {
+ iCharWidth = 1000;
+ } else {
+ m_pFont->GetCharWidth(wForm, iCharWidth, FALSE);
+ }
+ if (wForm == 0xFEFF) {
+ iCharWidth = m_iDefChar;
+ }
+ iCharWidth *= m_iFontSize;
+ iCharWidth = iCharWidth * m_iHorScale / 100;
+ pLastChar->m_iCharWidth = iCharWidth;
+ iLineWidth += iCharWidth;
+ iCharWidth = 0;
+ }
+ }
+ m_dwCharType = dwType;
+ wForm = m_pArabicChar->GetFormChar(pCurChar, bAlef ? NULL : pLastChar, NULL);
+ if (m_bCombText) {
+ iCharWidth = m_iCombWidth;
+ } else {
+ if (m_bVertical != FX_IsOdd(iRotation)) {
+ iCharWidth = 1000;
+ } else {
+ m_pFont->GetCharWidth(wForm, iCharWidth, FALSE);
+ }
+ if (wForm == 0xFEFF) {
+ iCharWidth = m_iDefChar;
+ }
+ iCharWidth *= m_iFontSize;
+ iCharWidth = iCharWidth * m_iHorScale / 100;
+ }
+ pCurChar->m_iCharWidth = iCharWidth;
+ iLineWidth += iCharWidth;
+ m_pCurLine->m_iArabicChars++;
+ if (!m_bSingleLine && iLineWidth > m_iLineWidth + m_iTolerance) {
+ return EndBreak(FX_TXTBREAK_LineBreak);
+ }
+ return FX_TXTBREAK_None;
+}
+FX_DWORD CFX_TxtBreak::AppendChar_Others(CFX_Char* pCurChar,
+ int32_t iRotation) {
+ FX_DWORD dwProps = pCurChar->m_dwCharProps;
+ FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK);
+ int32_t& iLineWidth = m_pCurLine->m_iWidth;
+ int32_t iCharWidth = 0;
+ m_dwCharType = dwType;
+ FX_WCHAR wch = pCurChar->m_wCharCode;
+ FX_WCHAR wForm = wch;
+ if (dwType == FX_CHARTYPE_Numeric) {
+ if (m_bArabicNumber) {
+ wForm = wch + 0x0630;
+ pCurChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicIndic;
+ }
+ } else if (wch == L',') {
+ if (m_bArabicShapes && m_iCurArabicContext > 0) {
+ wForm = 0x060C;
+ pCurChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicComma;
+ }
+ } else if (m_bCurRTL || m_bVertical) {
+ wForm = FX_GetMirrorChar(wch, dwProps, m_bCurRTL, m_bVertical);
+ }
+ if (m_bCombText) {
+ iCharWidth = m_iCombWidth;
+ } else {
+ if (m_bVertical != FX_IsOdd(iRotation)) {
+ iCharWidth = 1000;
+ } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) {
+ iCharWidth = m_iDefChar;
+ }
+ iCharWidth *= m_iFontSize;
+ iCharWidth = iCharWidth * m_iHorScale / 100;
+ }
+ iCharWidth += m_iCharSpace;
+ pCurChar->m_iCharWidth = iCharWidth;
+ iLineWidth += iCharWidth;
+ FX_BOOL bBreak = (dwType != FX_CHARTYPE_Space ||
+ (m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0);
+ if (!m_bSingleLine && bBreak && iLineWidth > m_iLineWidth + m_iTolerance) {
+ return EndBreak(FX_TXTBREAK_LineBreak);
+ }
+ return FX_TXTBREAK_None;
+}
+typedef FX_DWORD (CFX_TxtBreak::*FX_TxtBreak_LPFAppendChar)(CFX_Char* pCurChar,
+ int32_t iRotation);
+static const FX_TxtBreak_LPFAppendChar g_FX_TxtBreak_lpfAppendChar[16] = {
+ &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Tab,
+ &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Control,
+ &CFX_TxtBreak::AppendChar_Combination, &CFX_TxtBreak::AppendChar_Others,
+ &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Arabic,
+ &CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Arabic,
+ &CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Arabic,
+ &CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Others,
+ &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Others,
+};
+FX_DWORD CFX_TxtBreak::AppendChar(FX_WCHAR wch) {
+ FX_DWORD dwProps = kTextLayoutCodeProperties[(FX_WORD)wch];
+ FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK);
+ CFX_TxtChar* pCurChar = m_pCurLine->m_pLineChars->AddSpace();
+ pCurChar->m_wCharCode = (FX_WORD)wch;
+ pCurChar->m_nRotation = m_iCharRotation;
+ pCurChar->m_dwCharProps = dwProps;
+ pCurChar->m_dwCharStyles = 0;
+ pCurChar->m_iCharWidth = 0;
+ pCurChar->m_iHorizontalScale = m_iHorScale;
+ pCurChar->m_iVertialScale = m_iVerScale;
+ pCurChar->m_dwStatus = 0;
+ pCurChar->m_iBidiClass = 0;
+ pCurChar->m_iBidiLevel = 0;
+ pCurChar->m_iBidiPos = 0;
+ pCurChar->m_iBidiOrder = 0;
+ pCurChar->m_pUserData = NULL;
+ AppendChar_PageLoad(pCurChar, dwProps);
+ FX_DWORD dwRet1 = FX_TXTBREAK_None;
+ if (dwType != FX_CHARTYPE_Combination &&
+ GetUnifiedCharType(m_dwCharType) != GetUnifiedCharType(dwType)) {
+ if (m_dwCharType > 0 &&
+ m_pCurLine->m_iWidth > m_iLineWidth + m_iTolerance && !m_bSingleLine) {
+ if (m_dwCharType != FX_CHARTYPE_Space || dwType != FX_CHARTYPE_Control) {
+ dwRet1 = EndBreak(FX_TXTBREAK_LineBreak);
+ int32_t iCount = m_pCurLine->CountChars();
+ if (iCount > 0) {
+ pCurChar = m_pCurLine->m_pLineChars->GetDataPtr(iCount - 1);
+ }
+ }
+ }
+ }
+ int32_t iRotation = m_iRotation;
+ if (m_bVertical && (dwProps & 0x8000) != 0) {
+ iRotation = (iRotation + 1) % 4;
+ }
+ FX_DWORD dwRet2 =
+ (this->*g_FX_TxtBreak_lpfAppendChar[dwType >> FX_CHARTYPEBITS])(
+ pCurChar, iRotation);
+ return std::max(dwRet1, dwRet2);
+}
+void CFX_TxtBreak::EndBreak_UpdateArabicShapes() {
+ FXSYS_assert(m_bArabicShapes);
+ int32_t iCount = m_pCurLine->CountChars();
+ if (iCount < 2) {
+ return;
+ }
+ int32_t& iLineWidth = m_pCurLine->m_iWidth;
+ CFX_Char *pCur, *pNext;
+ pCur = m_pCurLine->GetCharPtr(0);
+ FX_BOOL bPrevNum = (pCur->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0;
+ pCur = m_pCurLine->GetCharPtr(1);
+ FX_WCHAR wch, wForm;
+ FX_BOOL bNextNum;
+ int32_t i = 1, iCharWidth, iRotation;
+ do {
+ i++;
+ if (i < iCount) {
+ pNext = m_pCurLine->GetCharPtr(i);
+ bNextNum = (pNext->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0;
+ } else {
+ pNext = NULL;
+ bNextNum = FALSE;
+ }
+ wch = pCur->m_wCharCode;
+ if (wch == L'.') {
+ if (bPrevNum && bNextNum) {
+ iRotation = m_iRotation;
+ if (m_bVertical && (pCur->m_dwCharProps & 0x8000) != 0) {
+ iRotation = ((iRotation + 1) & 0x03);
+ }
+ wForm = wch == L'.' ? 0x066B : 0x066C;
+ iLineWidth -= pCur->m_iCharWidth;
+ if (m_bCombText) {
+ iCharWidth = m_iCombWidth;
+ } else {
+ if (m_bVertical != FX_IsOdd(iRotation)) {
+ iCharWidth = 1000;
+ } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) {
+ iCharWidth = m_iDefChar;
+ }
+ iCharWidth *= m_iFontSize;
+ iCharWidth = iCharWidth * m_iHorScale / 100;
+ }
+ pCur->m_iCharWidth = iCharWidth;
+ iLineWidth += iCharWidth;
+ }
+ }
+ bPrevNum = (pCur->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0;
+ pCur = pNext;
+ } while (i < iCount);
+}
+FX_BOOL CFX_TxtBreak::EndBreak_SplitLine(CFX_TxtLine* pNextLine,
+ FX_BOOL bAllChars,
+ FX_DWORD dwStatus) {
+ int32_t iCount = m_pCurLine->CountChars();
+ FX_BOOL bDone = FALSE;
+ CFX_Char* pTC;
+ if (!m_bSingleLine && m_pCurLine->m_iWidth > m_iLineWidth + m_iTolerance) {
+ pTC = m_pCurLine->GetCharPtr(iCount - 1);
+ switch (pTC->GetCharType()) {
+ case FX_CHARTYPE_Tab:
+ case FX_CHARTYPE_Control:
+ break;
+ case FX_CHARTYPE_Space:
+ if ((m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0) {
+ SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
+ bDone = TRUE;
+ }
+ break;
+ default:
+ SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
+ bDone = TRUE;
+ break;
+ }
+ }
+ iCount = m_pCurLine->CountChars();
+ CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
+ CFX_TxtPiece tp;
+ if (m_bPagination) {
+ tp.m_dwStatus = dwStatus;
+ tp.m_iStartPos = m_pCurLine->m_iStart;
+ tp.m_iWidth = m_pCurLine->m_iWidth;
+ tp.m_iStartChar = 0;
+ tp.m_iChars = iCount;
+ tp.m_pChars = m_pCurLine->m_pLineChars;
+ tp.m_pUserData = m_pUserData;
+ pTC = m_pCurLine->GetCharPtr(0);
+ tp.m_dwCharStyles = pTC->m_dwCharStyles;
+ tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
+ tp.m_iVerticalScale = pTC->m_iVertialScale;
+ pCurPieces->Add(tp);
+ m_pCurLine = pNextLine;
+ m_dwCharType = 0;
+ return TRUE;
+ }
+ if (bAllChars && !bDone) {
+ int32_t iEndPos = m_pCurLine->m_iWidth;
+ GetBreakPos(*m_pCurLine->m_pLineChars, iEndPos, bAllChars, TRUE);
+ }
+ return FALSE;
+}
+void CFX_TxtBreak::EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus) {
+ CFX_TxtPiece tp;
+ FX_TPO tpo;
+ CFX_TxtChar* pTC;
+ int32_t i, j;
+ CFX_TxtCharArray& chars = *m_pCurLine->m_pLineChars;
+ int32_t iCount = m_pCurLine->CountChars();
+ FX_BOOL bDone = (m_pCurLine->m_iArabicChars > 0 || m_bCurRTL);
+ if (!m_bPagination && bDone) {
+ int32_t iBidiNum = 0;
+ for (i = 0; i < iCount; i++) {
+ pTC = chars.GetDataPtr(i);
+ pTC->m_iBidiPos = i;
+ if (pTC->GetCharType() != FX_CHARTYPE_Control) {
+ iBidiNum = i;
+ }
+ if (i == 0) {
+ pTC->m_iBidiLevel = 1;
+ }
+ }
+ FX_BidiLine(chars, iBidiNum + 1, m_bCurRTL ? 1 : 0);
+ }
+ CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
+ if (!m_bPagination &&
+ (bDone || (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_MutipleFormat) != 0)) {
+ tp.m_dwStatus = FX_TXTBREAK_PieceBreak;
+ tp.m_iStartPos = m_pCurLine->m_iStart;
+ tp.m_pChars = m_pCurLine->m_pLineChars;
+ int32_t iBidiLevel = -1, iCharWidth;
+ i = 0, j = -1;
+ while (i < iCount) {
+ pTC = chars.GetDataPtr(i);
+ if (iBidiLevel < 0) {
+ iBidiLevel = pTC->m_iBidiLevel;
+ tp.m_iWidth = 0;
+ tp.m_iBidiLevel = iBidiLevel;
+ tp.m_iBidiPos = pTC->m_iBidiOrder;
+ tp.m_dwCharStyles = pTC->m_dwCharStyles;
+ tp.m_pUserData = pTC->m_pUserData;
+ tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
+ tp.m_iVerticalScale = pTC->m_iVertialScale;
+ tp.m_dwStatus = FX_TXTBREAK_PieceBreak;
+ }
+ if (iBidiLevel != pTC->m_iBidiLevel || pTC->m_dwStatus != 0) {
+ if (iBidiLevel == pTC->m_iBidiLevel) {
+ tp.m_dwStatus = pTC->m_dwStatus;
+ iCharWidth = pTC->m_iCharWidth;
+ if (iCharWidth > 0) {
+ tp.m_iWidth += iCharWidth;
+ }
+ i++;
+ }
+ tp.m_iChars = i - tp.m_iStartChar;
+ pCurPieces->Add(tp);
+ tp.m_iStartPos += tp.m_iWidth;
+ tp.m_iStartChar = i;
+ tpo.index = ++j;
+ tpo.pos = tp.m_iBidiPos;
+ tpos.Add(tpo);
+ iBidiLevel = -1;
+ } else {
+ iCharWidth = pTC->m_iCharWidth;
+ if (iCharWidth > 0) {
+ tp.m_iWidth += iCharWidth;
+ }
+ i++;
+ }
+ }
+ if (i > tp.m_iStartChar) {
+ tp.m_dwStatus = dwStatus;
+ tp.m_iChars = i - tp.m_iStartChar;
+ pCurPieces->Add(tp);
+ tpo.index = ++j;
+ tpo.pos = tp.m_iBidiPos;
+ tpos.Add(tpo);
+ }
+ if (j > -1) {
+ if (j > 0) {
+ FX_TEXTLAYOUT_PieceSort(tpos, 0, j);
+ int32_t iStartPos = 0;
+ for (i = 0; i <= j; i++) {
+ tpo = tpos.GetAt(i);
+ CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index);
+ ttp.m_iStartPos = iStartPos;
+ iStartPos += ttp.m_iWidth;
+ }
+ }
+ CFX_TxtPiece& ttp = pCurPieces->GetAt(j);
+ ttp.m_dwStatus = dwStatus;
+ }
+ } else {
+ tp.m_dwStatus = dwStatus;
+ tp.m_iStartPos = m_pCurLine->m_iStart;
+ tp.m_iWidth = m_pCurLine->m_iWidth;
+ tp.m_iStartChar = 0;
+ tp.m_iChars = iCount;
+ tp.m_pChars = m_pCurLine->m_pLineChars;
+ tp.m_pUserData = m_pUserData;
+ pTC = chars.GetDataPtr(0);
+ tp.m_dwCharStyles = pTC->m_dwCharStyles;
+ tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
+ tp.m_iVerticalScale = pTC->m_iVertialScale;
+ pCurPieces->Add(tp);
+ tpo.index = 0;
+ tpo.pos = 0;
+ tpos.Add(tpo);
+ }
+}
+void CFX_TxtBreak::EndBreak_Alignment(CFX_TPOArray& tpos,
+ FX_BOOL bAllChars,
+ FX_DWORD dwStatus) {
+ int32_t iNetWidth = m_pCurLine->m_iWidth, iGapChars = 0, iCharWidth;
+ CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
+ int32_t i, j, iCount = pCurPieces->GetSize();
+ FX_BOOL bFind = FALSE;
+ FX_TPO tpo;
+ CFX_TxtChar* pTC;
+ FX_DWORD dwCharType;
+ for (i = iCount - 1; i > -1; i--) {
+ tpo = tpos.GetAt(i);
+ CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index);
+ if (!bFind) {
+ iNetWidth = ttp.GetEndPos();
+ }
+ FX_BOOL bArabic = FX_IsOdd(ttp.m_iBidiLevel);
+ j = bArabic ? 0 : ttp.m_iChars - 1;
+ while (j > -1 && j < ttp.m_iChars) {
+ pTC = ttp.GetCharPtr(j);
+ if (pTC->m_nBreakType == FX_LBT_DIRECT_BRK) {
+ iGapChars++;
+ }
+ if (!bFind || !bAllChars) {
+ dwCharType = pTC->GetCharType();
+ if (dwCharType == FX_CHARTYPE_Space ||
+ dwCharType == FX_CHARTYPE_Control) {
+ if (!bFind) {
+ iCharWidth = pTC->m_iCharWidth;
+ if (bAllChars && iCharWidth > 0) {
+ iNetWidth -= iCharWidth;
+ }
+ }
+ } else {
+ bFind = TRUE;
+ if (!bAllChars) {
+ break;
+ }
+ }
+ }
+ j += bArabic ? 1 : -1;
+ }
+ if (!bAllChars && bFind) {
+ break;
+ }
+ }
+ int32_t iOffset = m_iLineWidth - iNetWidth;
+ int32_t iLowerAlignment = (m_iCurAlignment & FX_TXTLINEALIGNMENT_LowerMask);
+ int32_t iHigherAlignment = (m_iCurAlignment & FX_TXTLINEALIGNMENT_HigherMask);
+ if (iGapChars > 0 && (iHigherAlignment == FX_TXTLINEALIGNMENT_Distributed ||
+ (iHigherAlignment == FX_TXTLINEALIGNMENT_Justified &&
+ dwStatus != FX_TXTBREAK_ParagraphBreak))) {
+ int32_t iStart = -1;
+ for (i = 0; i < iCount; i++) {
+ tpo = tpos.GetAt(i);
+ CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index);
+ if (iStart < -1) {
+ iStart = ttp.m_iStartPos;
+ } else {
+ ttp.m_iStartPos = iStart;
+ }
+ int32_t k;
+ for (j = 0; j < ttp.m_iChars; j++) {
+ pTC = ttp.GetCharPtr(j);
+ if (pTC->m_nBreakType != FX_LBT_DIRECT_BRK || pTC->m_iCharWidth < 0) {
+ continue;
+ }
+ k = iOffset / iGapChars;
+ pTC->m_iCharWidth += k;
+ ttp.m_iWidth += k;
+ iOffset -= k;
+ iGapChars--;
+ if (iGapChars < 1) {
+ break;
+ }
+ }
+ iStart += ttp.m_iWidth;
+ }
+ } else if (iLowerAlignment > FX_TXTLINEALIGNMENT_Left) {
+ if (iLowerAlignment == FX_TXTLINEALIGNMENT_Center) {
+ iOffset /= 2;
+ }
+ if (iOffset > 0) {
+ for (i = 0; i < iCount; i++) {
+ CFX_TxtPiece& ttp = pCurPieces->GetAt(i);
+ ttp.m_iStartPos += iOffset;
+ }
+ }
+ }
+}
+FX_DWORD CFX_TxtBreak::EndBreak(FX_DWORD dwStatus) {
+ FXSYS_assert(dwStatus >= FX_TXTBREAK_PieceBreak &&
+ dwStatus <= FX_TXTBREAK_PageBreak);
+ CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
+ int32_t iCount = pCurPieces->GetSize();
+ if (iCount > 0) {
+ CFX_TxtPiece* pLastPiece = pCurPieces->GetPtrAt(--iCount);
+ if (dwStatus > FX_TXTBREAK_PieceBreak) {
+ pLastPiece->m_dwStatus = dwStatus;
+ } else {
+ dwStatus = pLastPiece->m_dwStatus;
+ }
+ return dwStatus;
+ } else {
+ CFX_TxtLine* pLastLine = GetTxtLine(TRUE);
+ if (pLastLine != NULL) {
+ pCurPieces = pLastLine->m_pLinePieces;
+ iCount = pCurPieces->GetSize();
+ if (iCount-- > 0) {
+ CFX_TxtPiece* pLastPiece = pCurPieces->GetPtrAt(iCount);
+ if (dwStatus > FX_TXTBREAK_PieceBreak) {
+ pLastPiece->m_dwStatus = dwStatus;
+ } else {
+ dwStatus = pLastPiece->m_dwStatus;
+ }
+ return dwStatus;
+ }
+ return FX_TXTBREAK_None;
+ }
+ iCount = m_pCurLine->CountChars();
+ if (iCount < 1) {
+ return FX_TXTBREAK_None;
+ }
+ if (!m_bPagination) {
+ CFX_TxtChar* pTC = m_pCurLine->GetCharPtr(iCount - 1);
+ pTC->m_dwStatus = dwStatus;
+ }
+ if (dwStatus <= FX_TXTBREAK_PieceBreak) {
+ return dwStatus;
+ }
+ }
+ m_iReady = (m_pCurLine == m_pTxtLine1) ? 1 : 2;
+ CFX_TxtLine* pNextLine =
+ (m_pCurLine == m_pTxtLine1) ? m_pTxtLine2 : m_pTxtLine1;
+ FX_BOOL bAllChars = (m_iCurAlignment > FX_TXTLINEALIGNMENT_Right);
+ CFX_TPOArray tpos;
+ CFX_Char* pTC;
+ if (m_bArabicShapes) {
+ EndBreak_UpdateArabicShapes();
+ }
+ if (EndBreak_SplitLine(pNextLine, bAllChars, dwStatus)) {
+ goto EndBreak_Ret;
+ }
+ EndBreak_BidiLine(tpos, dwStatus);
+ if (!m_bPagination && m_iCurAlignment > FX_TXTLINEALIGNMENT_Left) {
+ EndBreak_Alignment(tpos, bAllChars, dwStatus);
+ }
+EndBreak_Ret:
+ m_pCurLine = pNextLine;
+ pTC = GetLastChar(0, FALSE);
+ m_dwCharType = pTC == NULL ? 0 : pTC->GetCharType();
+ if (dwStatus == FX_TXTBREAK_ParagraphBreak) {
+ m_iArabicContext = m_iCurArabicContext = 1;
+ ResetArabicContext();
+ }
+ return dwStatus;
+}
+int32_t CFX_TxtBreak::GetBreakPos(CFX_TxtCharArray& ca,
+ int32_t& iEndPos,
+ FX_BOOL bAllChars,
+ FX_BOOL bOnlyBrk) {
+ int32_t iLength = ca.GetSize() - 1;
+ if (iLength < 1) {
+ return iLength;
+ }
+ int32_t iBreak = -1, iBreakPos = -1, iIndirect = -1, iIndirectPos = -1,
+ iLast = -1, iLastPos = -1;
+ if (m_bSingleLine || iEndPos <= m_iLineWidth) {
+ if (!bAllChars) {
+ return iLength;
+ }
+ iBreak = iLength;
+ iBreakPos = iEndPos;
+ }
+ FX_BOOL bSpaceBreak = (m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0;
+ FX_BOOL bNumberBreak = (m_dwPolicies & FX_TXTBREAKPOLICY_NumberBreak) != 0;
+ FX_LINEBREAKTYPE eType;
+ FX_DWORD nCodeProp, nCur, nNext;
+ CFX_Char* pCur = ca.GetDataPtr(iLength--);
+ if (bAllChars) {
+ pCur->m_nBreakType = FX_LBT_UNKNOWN;
+ }
+ nCodeProp = pCur->m_dwCharProps;
+ nNext = nCodeProp & 0x003F;
+ int32_t iCharWidth = pCur->m_iCharWidth;
+ if (iCharWidth > 0) {
+ iEndPos -= iCharWidth;
+ }
+ while (iLength >= 0) {
+ pCur = ca.GetDataPtr(iLength);
+ nCodeProp = pCur->m_dwCharProps;
+ nCur = nCodeProp & 0x003F;
+ if (nCur == FX_CBP_SP) {
+ if (nNext == FX_CBP_SP) {
+ eType = bSpaceBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK;
+ } else {
+ eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
+ (nCur << 5) + nNext);
+ }
+ } else if (bNumberBreak && nCur == FX_CBP_NU && nNext == FX_CBP_NU) {
+ eType = FX_LBT_DIRECT_BRK;
+ } else {
+ if (nNext == FX_CBP_SP) {
+ eType = FX_LBT_PROHIBITED_BRK;
+ } else {
+ eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
+ (nCur << 5) + nNext);
+ }
+ }
+ if (bAllChars) {
+ pCur->m_nBreakType = (uint8_t)eType;
+ }
+ if (!bOnlyBrk) {
+ if (m_bSingleLine || iEndPos <= m_iLineWidth ||
+ (nCur == FX_CBP_SP && !bSpaceBreak)) {
+ if (eType == FX_LBT_DIRECT_BRK && iBreak < 0) {
+ iBreak = iLength;
+ iBreakPos = iEndPos;
+ if (!bAllChars) {
+ return iLength;
+ }
+ } else if (eType == FX_LBT_INDIRECT_BRK && iIndirect < 0) {
+ iIndirect = iLength;
+ iIndirectPos = iEndPos;
+ }
+ if (iLast < 0) {
+ iLast = iLength;
+ iLastPos = iEndPos;
+ }
+ }
+ iCharWidth = pCur->m_iCharWidth;
+ if (iCharWidth > 0) {
+ iEndPos -= iCharWidth;
+ }
+ }
+ nNext = nCodeProp & 0x003F;
+ iLength--;
+ }
+ if (bOnlyBrk) {
+ return 0;
+ }
+ if (iBreak > -1) {
+ iEndPos = iBreakPos;
+ return iBreak;
+ }
+ if (iIndirect > -1) {
+ iEndPos = iIndirectPos;
+ return iIndirect;
+ }
+ if (iLast > -1) {
+ iEndPos = iLastPos;
+ return iLast;
+ }
+ return 0;
+}
+void CFX_TxtBreak::SplitTextLine(CFX_TxtLine* pCurLine,
+ CFX_TxtLine* pNextLine,
+ FX_BOOL bAllChars) {
+ FXSYS_assert(pCurLine != NULL && pNextLine != NULL);
+ int32_t iCount = pCurLine->CountChars();
+ if (iCount < 2) {
+ return;
+ }
+ int32_t iEndPos = pCurLine->m_iWidth;
+ CFX_TxtCharArray& curChars = *pCurLine->m_pLineChars;
+ int32_t iCharPos = GetBreakPos(curChars, iEndPos, bAllChars, FALSE);
+ if (iCharPos < 0) {
+ iCharPos = 0;
+ }
+ iCharPos++;
+ if (iCharPos >= iCount) {
+ pNextLine->RemoveAll(TRUE);
+ CFX_Char* pTC = curChars.GetDataPtr(iCharPos - 1);
+ pTC->m_nBreakType = FX_LBT_UNKNOWN;
+ return;
+ }
+ CFX_TxtCharArray& nextChars = *pNextLine->m_pLineChars;
+ int cur_size = curChars.GetSize();
+ nextChars.SetSize(cur_size - iCharPos);
+ FXSYS_memcpy(nextChars.GetData(), curChars.GetDataPtr(iCharPos),
+ (cur_size - iCharPos) * sizeof(CFX_TxtChar));
+ iCount -= iCharPos;
+ cur_size = curChars.GetSize();
+ curChars.RemoveAt(cur_size - iCount, iCount);
+ pCurLine->m_iWidth = iEndPos;
+ CFX_TxtChar* pTC = curChars.GetDataPtr(iCharPos - 1);
+ pTC->m_nBreakType = FX_LBT_UNKNOWN;
+ iCount = nextChars.GetSize();
+ int32_t iCharWidth, iWidth = 0;
+ for (int32_t i = 0; i < iCount; i++) {
+ pTC = nextChars.GetDataPtr(i);
+ if (pTC->GetCharType() >= FX_CHARTYPE_ArabicAlef) {
+ pCurLine->m_iArabicChars--;
+ pNextLine->m_iArabicChars++;
+ }
+ iCharWidth = pTC->m_iCharWidth;
+ if (iCharWidth > 0) {
+ iWidth += iCharWidth;
+ }
+ if (m_bPagination) {
+ continue;
+ }
+ pTC->m_dwStatus = 0;
+ }
+ pNextLine->m_iWidth = iWidth;
+}
+int32_t CFX_TxtBreak::CountBreakChars() const {
+ CFX_TxtLine* pTxtLine = GetTxtLine(TRUE);
+ return pTxtLine == NULL ? 0 : pTxtLine->CountChars();
+}
+int32_t CFX_TxtBreak::CountBreakPieces() const {
+ CFX_TxtPieceArray* pTxtPieces = GetTxtPieces(TRUE);
+ if (pTxtPieces == NULL) {
+ return 0;
+ }
+ return pTxtPieces->GetSize();
+}
+const CFX_TxtPiece* CFX_TxtBreak::GetBreakPiece(int32_t index) const {
+ CFX_TxtPieceArray* pTxtPieces = GetTxtPieces(TRUE);
+ if (pTxtPieces == NULL) {
+ return NULL;
+ }
+ if (index < 0 || index >= pTxtPieces->GetSize()) {
+ return NULL;
+ }
+ return pTxtPieces->GetPtrAt(index);
+}
+void CFX_TxtBreak::ClearBreakPieces() {
+ CFX_TxtLine* pTxtLine = GetTxtLine(TRUE);
+ if (pTxtLine != NULL) {
+ pTxtLine->RemoveAll(TRUE);
+ }
+ m_iReady = 0;
+}
+void CFX_TxtBreak::Reset() {
+ m_dwCharType = 0;
+ m_iArabicContext = m_iCurArabicContext = 1;
+ ResetArabicContext();
+ m_pTxtLine1->RemoveAll(TRUE);
+ m_pTxtLine2->RemoveAll(TRUE);
+}
+
+struct FX_FORMCHAR {
+ FX_WORD wch;
+ FX_WORD wForm;
+ int32_t iWidth;
+};
+
+int32_t CFX_TxtBreak::GetDisplayPos(const FX_TXTRUN* pTxtRun,
+ FXTEXT_CHARPOS* pCharPos,
+ FX_BOOL bCharCode,
+ CFX_WideString* pWSForms,
+ FX_AdjustCharDisplayPos pAdjustPos) const {
+ if (pTxtRun == NULL || pTxtRun->iLength < 1) {
+ return 0;
+ }
+ IFX_TxtAccess* pAccess = pTxtRun->pAccess;
+ void* pIdentity = pTxtRun->pIdentity;
+ const FX_WCHAR* pStr = pTxtRun->pStr;
+ int32_t* pWidths = pTxtRun->pWidths;
+ int32_t iLength = pTxtRun->iLength - 1;
+ IFX_Font* pFont = pTxtRun->pFont;
+ FX_DWORD dwStyles = pTxtRun->dwStyles;
+ CFX_RectF rtText(*pTxtRun->pRect);
+ FX_BOOL bRTLPiece =
+ (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel) != 0;
+ FX_BOOL bArabicNumber =
+ (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_ArabicNumber) != 0;
+ FX_BOOL bArabicComma =
+ (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_ArabicComma) != 0;
+ FX_FLOAT fFontSize = pTxtRun->fFontSize;
+ int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
+ int32_t iAscent = pFont->GetAscent();
+ int32_t iDescent = pFont->GetDescent();
+ int32_t iMaxHeight = iAscent - iDescent;
+ FX_FLOAT fFontHeight = fFontSize;
+ FX_FLOAT fAscent = fFontHeight * (FX_FLOAT)iAscent / (FX_FLOAT)iMaxHeight;
+ FX_FLOAT fDescent = fFontHeight * (FX_FLOAT)iDescent / (FX_FLOAT)iMaxHeight;
+ FX_BOOL bVerticalDoc = (dwStyles & FX_TXTLAYOUTSTYLE_VerticalLayout) != 0;
+ FX_BOOL bVerticalChar = (dwStyles & FX_TXTLAYOUTSTYLE_VerticalChars) != 0;
+ int32_t iRotation = GetLineRotation(dwStyles) + pTxtRun->iCharRotation;
+ int32_t iCharRotation;
+ FX_WCHAR wch, wPrev = 0xFEFF, wNext, wForm, wLast = 0xFEFF;
+ int32_t iWidth, iCharWidth, iCharHeight;
+ FX_FLOAT fX, fY, fCharWidth, fCharHeight;
+ int32_t iHorScale = pTxtRun->iHorizontalScale;
+ int32_t iVerScale = pTxtRun->iVerticalScale;
+ FX_BOOL bSkipSpace = pTxtRun->bSkipSpace;
+ FX_BOOL bEmptyChar, bShadda = FALSE, bLam = FALSE;
+ FX_DWORD dwProps, dwCharType;
+ FX_FORMCHAR formChars[3];
+ FX_FLOAT fYBase;
+ fX = rtText.left;
+ if (bVerticalDoc) {
+ fX += (rtText.width - fFontSize) / 2.0f;
+ fYBase = bRTLPiece ? rtText.bottom() : rtText.top;
+ fY = fYBase;
+ } else {
+ if (bRTLPiece) {
+ fX = rtText.right();
+ }
+ fYBase = rtText.top + (rtText.height - fFontSize) / 2.0f;
+ fY = fYBase + fAscent;
+ }
+ int32_t iCount = 0, iNext, iForms;
+ for (int32_t i = 0; i <= iLength; i++) {
+ if (pAccess != NULL) {
+ wch = pAccess->GetChar(pIdentity, i);
+ iWidth = pAccess->GetWidth(pIdentity, i);
+ } else {
+ wch = *pStr++;
+ iWidth = *pWidths++;
+ }
+ dwProps = FX_GetUnicodeProperties(wch);
+ dwCharType = (dwProps & FX_CHARTYPEBITSMASK);
+ if (dwCharType == FX_CHARTYPE_ArabicAlef && iWidth == 0) {
+ wPrev = 0xFEFF;
+ wLast = wch;
+ continue;
+ }
+ if (dwCharType >= FX_CHARTYPE_ArabicAlef) {
+ if (i < iLength) {
+ if (pAccess != NULL) {
+ iNext = i + 1;
+ while (iNext <= iLength) {
+ wNext = pAccess->GetChar(pIdentity, iNext);
+ dwProps = FX_GetUnicodeProperties(wNext);
+ if ((dwProps & FX_CHARTYPEBITSMASK) != FX_CHARTYPE_Combination) {
+ break;
+ }
+ iNext++;
+ }
+ if (iNext > iLength) {
+ wNext = 0xFEFF;
+ }
+ } else {
+ int32_t j = -1;
+ do {
+ j++;
+ if (i + j >= iLength) {
+ break;
+ }
+ wNext = pStr[j];
+ dwProps = FX_GetUnicodeProperties(wNext);
+ } while ((dwProps & FX_CHARTYPEBITSMASK) == FX_CHARTYPE_Combination);
+ if (i + j >= iLength) {
+ wNext = 0xFEFF;
+ }
+ }
+ } else {
+ wNext = 0xFEFF;
+ }
+ wForm = m_pArabicChar->GetFormChar(wch, wPrev, wNext);
+ bLam = (wPrev == 0x0644 && wch == 0x0644 && wNext == 0x0647);
+ } else if (dwCharType == FX_CHARTYPE_Combination) {
+ wForm = wch;
+ if (wch >= 0x064C && wch <= 0x0651) {
+ if (bShadda) {
+ wForm = 0xFEFF;
+ bShadda = FALSE;
+ } else {
+ wNext = 0xFEFF;
+ if (pAccess != NULL) {
+ iNext = i + 1;
+ if (iNext <= iLength) {
+ wNext = pAccess->GetChar(pIdentity, iNext);
+ }
+ } else {
+ if (i < iLength) {
+ wNext = *pStr;
+ }
+ }
+ if (wch == 0x0651) {
+ if (wNext >= 0x064C && wNext <= 0x0650) {
+ wForm = FX_GetArabicFromShaddaTable(wNext);
+ bShadda = TRUE;
+ }
+ } else {
+ if (wNext == 0x0651) {
+ wForm = FX_GetArabicFromShaddaTable(wch);
+ bShadda = TRUE;
+ }
+ }
+ }
+ } else {
+ bShadda = FALSE;
+ }
+ } else if (dwCharType == FX_CHARTYPE_Numeric) {
+ wForm = wch;
+ if (bArabicNumber) {
+ wForm += 0x0630;
+ }
+ } else if (wch == L'.') {
+ wForm = wch;
+ if (bArabicNumber) {
+ wNext = 0xFEFF;
+ if (pAccess != NULL) {
+ iNext = i + 1;
+ if (iNext <= iLength) {
+ wNext = pAccess->GetChar(pIdentity, iNext);
+ }
+ } else {
+ if (i < iLength) {
+ wNext = *pStr;
+ }
+ }
+ if (wNext >= L'0' && wNext <= L'9') {
+ wForm = 0x066B;
+ }
+ }
+ } else if (wch == L',') {
+ wForm = wch;
+ if (bArabicComma) {
+ wForm = 0x060C;
+ }
+ } else if (bRTLPiece || bVerticalChar) {
+ wForm = FX_GetMirrorChar(wch, dwProps, bRTLPiece, bVerticalChar);
+ } else {
+ wForm = wch;
+ }
+ if (dwCharType != FX_CHARTYPE_Combination) {
+ bShadda = FALSE;
+ }
+ if (dwCharType < FX_CHARTYPE_ArabicAlef) {
+ bLam = FALSE;
+ }
+ dwProps = FX_GetUnicodeProperties(wForm);
+ iCharRotation = iRotation;
+ if (bVerticalChar && (dwProps & 0x8000) != 0) {
+ iCharRotation++;
+ }
+ iCharRotation %= 4;
+ bEmptyChar =
+ (dwCharType >= FX_CHARTYPE_Tab && dwCharType <= FX_CHARTYPE_Control);
+ if (wForm == 0xFEFF) {
+ bEmptyChar = TRUE;
+ }
+ iForms = bLam ? 3 : 1;
+ iCount += (bEmptyChar && bSkipSpace) ? 0 : iForms;
+ if (pCharPos == NULL) {
+ if (iWidth > 0) {
+ wPrev = wch;
+ }
+ wLast = wch;
+ continue;
+ }
+ iCharWidth = iWidth;
+ if (iCharWidth < 0) {
+ iCharWidth = -iCharWidth;
+ }
+ iCharWidth /= iFontSize;
+ formChars[0].wch = wch;
+ formChars[0].wForm = wForm;
+ formChars[0].iWidth = iCharWidth;
+ if (bLam) {
+ formChars[1].wForm = 0x0651;
+ iCharWidth = 0;
+ pFont->GetCharWidth(0x0651, iCharWidth, FALSE);
+ formChars[1].iWidth = iCharWidth;
+ formChars[2].wForm = 0x0670;
+ iCharWidth = 0;
+ pFont->GetCharWidth(0x0670, iCharWidth, FALSE);
+ formChars[2].iWidth = iCharWidth;
+ }
+ for (int32_t j = 0; j < iForms; j++) {
+ wForm = (FX_WCHAR)formChars[j].wForm;
+ iCharWidth = formChars[j].iWidth;
+ if (j > 0) {
+ dwCharType = FX_CHARTYPE_Combination;
+ wch = wForm;
+ wLast = (FX_WCHAR)formChars[j - 1].wForm;
+ }
+ if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) {
+ pCharPos->m_GlyphIndex =
+ bCharCode ? wch : pFont->GetGlyphIndex(wForm, FALSE);
+ pCharPos->m_ExtGID = pCharPos->m_GlyphIndex;
+ pCharPos->m_FontCharWidth = iCharWidth;
+ if (pWSForms) {
+ *pWSForms += wForm;
+ }
+ }
+ if (bVerticalDoc) {
+ iCharHeight = iCharWidth;
+ iCharWidth = 1000;
+ } else {
+ iCharHeight = 1000;
+ }
+ fCharWidth = fFontSize * iCharWidth / 1000.0f;
+ fCharHeight = fFontSize * iCharHeight / 1000.0f;
+ if (bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
+ if (bVerticalDoc) {
+ fY -= fCharHeight;
+ } else {
+ fX -= fCharWidth;
+ }
+ }
+ if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) {
+ pCharPos->m_OriginX = fX;
+ pCharPos->m_OriginY = fY;
+ if ((dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0) {
+ int32_t iFormWidth = iCharWidth;
+ pFont->GetCharWidth(wForm, iFormWidth, FALSE);
+ FX_FLOAT fOffset = fFontSize * (iCharWidth - iFormWidth) / 2000.0f;
+ if (bVerticalDoc) {
+ pCharPos->m_OriginY += fOffset;
+ } else {
+ pCharPos->m_OriginX += fOffset;
+ }
+ }
+ if (dwCharType == FX_CHARTYPE_Combination) {
+ CFX_Rect rtBBox;
+ rtBBox.Reset();
+ if (pFont->GetCharBBox(wForm, rtBBox, FALSE)) {
+ pCharPos->m_OriginY =
+ fYBase + fFontSize -
+ fFontSize * (FX_FLOAT)rtBBox.height / (FX_FLOAT)iMaxHeight;
+ }
+ if (wForm == wch && wLast != 0xFEFF) {
+ FX_DWORD dwLastProps = FX_GetUnicodeProperties(wLast);
+ if ((dwLastProps & FX_CHARTYPEBITSMASK) ==
+ FX_CHARTYPE_Combination) {
+ CFX_Rect rtBBox;
+ rtBBox.Reset();
+ if (pFont->GetCharBBox(wLast, rtBBox, FALSE)) {
+ pCharPos->m_OriginY -= fFontSize * rtBBox.height / iMaxHeight;
+ }
+ }
+ }
+ }
+ CFX_PointF ptOffset;
+ FX_BOOL bAdjusted = FALSE;
+ if (pAdjustPos) {
+ bAdjusted = pAdjustPos(wForm, bCharCode, pFont, fFontSize,
+ bVerticalChar, ptOffset);
+ }
+ if (!bAdjusted && bVerticalChar && (dwProps & 0x00010000) != 0) {
+ CFX_Rect rtBBox;
+ rtBBox.Reset();
+ if (pFont->GetCharBBox(wForm, rtBBox, FALSE)) {
+ ptOffset.x = fFontSize * (850 - rtBBox.right()) / iMaxHeight;
+ ptOffset.y = fFontSize * (iAscent - rtBBox.top - 150) / iMaxHeight;
+ }
+ }
+ pCharPos->m_OriginX += ptOffset.x;
+ pCharPos->m_OriginY -= ptOffset.y;
+ }
+ if (!bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
+ if (bVerticalDoc) {
+ fY += fCharHeight;
+ } else {
+ fX += fCharWidth;
+ }
+ }
+ if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) {
+ pCharPos->m_bGlyphAdjust = TRUE;
+ if (bVerticalDoc) {
+ if (iCharRotation == 0) {
+ pCharPos->m_AdjustMatrix[0] = -1;
+ pCharPos->m_AdjustMatrix[1] = 0;
+ pCharPos->m_AdjustMatrix[2] = 0;
+ pCharPos->m_AdjustMatrix[3] = 1;
+ pCharPos->m_OriginY += fAscent;
+ } else if (iCharRotation == 1) {
+ pCharPos->m_AdjustMatrix[0] = 0;
+ pCharPos->m_AdjustMatrix[1] = -1;
+ pCharPos->m_AdjustMatrix[2] = -1;
+ pCharPos->m_AdjustMatrix[3] = 0;
+ pCharPos->m_OriginX -= fDescent;
+ } else if (iCharRotation == 2) {
+ pCharPos->m_AdjustMatrix[0] = 1;
+ pCharPos->m_AdjustMatrix[1] = 0;
+ pCharPos->m_AdjustMatrix[2] = 0;
+ pCharPos->m_AdjustMatrix[3] = -1;
+ pCharPos->m_OriginX += fCharWidth;
+ pCharPos->m_OriginY += fAscent;
+ } else {
+ pCharPos->m_AdjustMatrix[0] = 0;
+ pCharPos->m_AdjustMatrix[1] = 1;
+ pCharPos->m_AdjustMatrix[2] = 1;
+ pCharPos->m_AdjustMatrix[3] = 0;
+ pCharPos->m_OriginX += fAscent;
+ }
+ } else {
+ if (iCharRotation == 0) {
+ pCharPos->m_AdjustMatrix[0] = -1;
+ pCharPos->m_AdjustMatrix[1] = 0;
+ pCharPos->m_AdjustMatrix[2] = 0;
+ pCharPos->m_AdjustMatrix[3] = 1;
+ } else if (iCharRotation == 1) {
+ pCharPos->m_AdjustMatrix[0] = 0;
+ pCharPos->m_AdjustMatrix[1] = -1;
+ pCharPos->m_AdjustMatrix[2] = -1;
+ pCharPos->m_AdjustMatrix[3] = 0;
+ pCharPos->m_OriginX -= fDescent;
+ pCharPos->m_OriginY -= fAscent + fDescent;
+ } else if (iCharRotation == 2) {
+ pCharPos->m_AdjustMatrix[0] = 1;
+ pCharPos->m_AdjustMatrix[1] = 0;
+ pCharPos->m_AdjustMatrix[2] = 0;
+ pCharPos->m_AdjustMatrix[3] = -1;
+ pCharPos->m_OriginX += fCharWidth;
+ pCharPos->m_OriginY -= fAscent;
+ } else {
+ pCharPos->m_AdjustMatrix[0] = 0;
+ pCharPos->m_AdjustMatrix[1] = 1;
+ pCharPos->m_AdjustMatrix[2] = 1;
+ pCharPos->m_AdjustMatrix[3] = 0;
+ pCharPos->m_OriginX += fAscent;
+ }
+ }
+ if (iHorScale != 100 || iVerScale != 100) {
+ pCharPos->m_AdjustMatrix[0] =
+ pCharPos->m_AdjustMatrix[0] * iHorScale / 100.0f;
+ pCharPos->m_AdjustMatrix[1] =
+ pCharPos->m_AdjustMatrix[1] * iHorScale / 100.0f;
+ pCharPos->m_AdjustMatrix[2] =
+ pCharPos->m_AdjustMatrix[2] * iVerScale / 100.0f;
+ pCharPos->m_AdjustMatrix[3] =
+ pCharPos->m_AdjustMatrix[3] * iVerScale / 100.0f;
+ }
+ pCharPos++;
+ }
+ }
+ if (iWidth > 0) {
+ wPrev = (FX_WCHAR)formChars[0].wch;
+ }
+ wLast = wch;
+ }
+ return iCount;
+}
+int32_t CFX_TxtBreak::GetCharRects(const FX_TXTRUN* pTxtRun,
+ CFX_RectFArray& rtArray,
+ FX_BOOL bCharBBox) const {
+ if (pTxtRun == NULL || pTxtRun->iLength < 1) {
+ return 0;
+ }
+ IFX_TxtAccess* pAccess = pTxtRun->pAccess;
+ void* pIdentity = pTxtRun->pIdentity;
+ const FX_WCHAR* pStr = pTxtRun->pStr;
+ int32_t* pWidths = pTxtRun->pWidths;
+ int32_t iLength = pTxtRun->iLength;
+ CFX_RectF rect(*pTxtRun->pRect);
+ FX_BOOL bRTLPiece =
+ (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel) != 0;
+ FX_FLOAT fFontSize = pTxtRun->fFontSize;
+ int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
+ FX_FLOAT fScale = fFontSize / 1000.0f;
+ IFX_Font* pFont = pTxtRun->pFont;
+ if (pFont == NULL) {
+ bCharBBox = FALSE;
+ }
+ CFX_Rect bbox;
+ bbox.Set(0, 0, 0, 0);
+ if (bCharBBox) {
+ bCharBBox = pFont->GetBBox(bbox);
+ }
+ FX_FLOAT fLeft = std::max(0.0f, bbox.left * fScale);
+ FX_FLOAT fHeight = FXSYS_fabs(bbox.height * fScale);
+ rtArray.RemoveAll();
+ rtArray.SetSize(iLength);
+ FX_BOOL bVertical =
+ (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_VerticalLayout) != 0;
+ FX_BOOL bSingleLine = (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_SingleLine) != 0;
+ FX_BOOL bCombText = (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
+ FX_WCHAR wch, wLineBreakChar = pTxtRun->wLineBreakChar;
+ int32_t iCharSize;
+ FX_FLOAT fCharSize, fStart;
+ if (bVertical) {
+ fStart = bRTLPiece ? rect.bottom() : rect.top;
+ } else {
+ fStart = bRTLPiece ? rect.right() : rect.left;
+ }
+ for (int32_t i = 0; i < iLength; i++) {
+ if (pAccess != NULL) {
+ wch = pAccess->GetChar(pIdentity, i);
+ iCharSize = pAccess->GetWidth(pIdentity, i);
+ } else {
+ wch = *pStr++;
+ iCharSize = *pWidths++;
+ }
+ fCharSize = (FX_FLOAT)iCharSize / 20000.0f;
+ FX_BOOL bRet = (!bSingleLine && FX_IsCtrlCode(wch));
+ if (!(wch == L'\v' || wch == L'\f' || wch == 0x2028 || wch == 0x2029 ||
+ (wLineBreakChar != 0xFEFF && wch == wLineBreakChar))) {
+ bRet = FALSE;
+ }
+ if (bRet) {
+ iCharSize = iFontSize * 500;
+ fCharSize = fFontSize / 2.0f;
+ }
+ if (bVertical) {
+ rect.top = fStart;
+ if (bRTLPiece) {
+ rect.top -= fCharSize;
+ fStart -= fCharSize;
+ } else {
+ fStart += fCharSize;
+ }
+ rect.height = fCharSize;
+ } else {
+ rect.left = fStart;
+ if (bRTLPiece) {
+ rect.left -= fCharSize;
+ fStart -= fCharSize;
+ } else {
+ fStart += fCharSize;
+ }
+ rect.width = fCharSize;
+ }
+ if (bCharBBox && !bRet) {
+ int32_t iCharWidth = 1000;
+ pFont->GetCharWidth(wch, iCharWidth);
+ FX_FLOAT fRTLeft = 0, fCharWidth = 0;
+ if (iCharWidth > 0) {
+ fCharWidth = iCharWidth * fScale;
+ fRTLeft = fLeft;
+ if (bCombText) {
+ fRTLeft = (rect.width - fCharWidth) / 2.0f;
+ }
+ }
+ CFX_RectF rtBBoxF;
+ if (bVertical) {
+ rtBBoxF.top = rect.left + fRTLeft;
+ rtBBoxF.left = rect.top + (rect.height - fHeight) / 2.0f;
+ rtBBoxF.height = fCharWidth;
+ rtBBoxF.width = fHeight;
+ rtBBoxF.left = std::max(rtBBoxF.left, 0.0f);
+ } else {
+ rtBBoxF.left = rect.left + fRTLeft;
+ rtBBoxF.top = rect.top + (rect.height - fHeight) / 2.0f;
+ rtBBoxF.width = fCharWidth;
+ rtBBoxF.height = fHeight;
+ rtBBoxF.top = std::max(rtBBoxF.top, 0.0f);
+ }
+ rtArray.SetAt(i, rtBBoxF);
+ continue;
+ }
+ rtArray.SetAt(i, rect);
+ }
+ return iLength;
+}
diff --git a/xfa/src/fgas/layout/fgas_textbreak.h b/xfa/src/fgas/layout/fgas_textbreak.h
new file mode 100644
index 0000000000..65fba720d5
--- /dev/null
+++ b/xfa/src/fgas/layout/fgas_textbreak.h
@@ -0,0 +1,222 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_SRC_FGAS_LAYOUT_FGAS_TEXTBREAK_H_
+#define XFA_SRC_FGAS_LAYOUT_FGAS_TEXTBREAK_H_
+
+#include "core/include/fxcrt/fx_ucd.h"
+#include "core/include/fxge/fx_ge.h"
+#include "xfa/src/fgas/crt/fgas_utils.h"
+#include "xfa/src/fgas/layout/fgas_unicode.h"
+
+class IFX_Font;
+class CFX_Char;
+class IFX_TxtAccess;
+class CFX_TxtChar;
+class CFX_TxtPiece;
+class IFX_TxtBreak;
+
+#define FX_TXTBREAKPOLICY_None 0x00
+#define FX_TXTBREAKPOLICY_Pagination 0x01
+#define FX_TXTBREAKPOLICY_SpaceBreak 0x02
+#define FX_TXTBREAKPOLICY_NumberBreak 0x04
+#define FX_TXTBREAK_None 0x00
+#define FX_TXTBREAK_PieceBreak 0x01
+#define FX_TXTBREAK_LineBreak 0x02
+#define FX_TXTBREAK_ParagraphBreak 0x03
+#define FX_TXTBREAK_PageBreak 0x04
+#define FX_TXTBREAK_ControlChar 0x10
+#define FX_TXTBREAK_BreakChar 0x20
+#define FX_TXTBREAK_UnknownChar 0x40
+#define FX_TXTBREAK_RemoveChar 0x80
+#define FX_TXTLAYOUTSTYLE_MutipleFormat 0x0001
+#define FX_TXTLAYOUTSTYLE_VerticalLayout 0x0002
+#define FX_TXTLAYOUTSTYLE_VerticalChars 0x0004
+#define FX_TXTLAYOUTSTYLE_ReverseLine 0x0008
+#define FX_TXTLAYOUTSTYLE_ArabicContext 0x0010
+#define FX_TXTLAYOUTSTYLE_ArabicShapes 0x0020
+#define FX_TXTLAYOUTSTYLE_RTLReadingOrder 0x0040
+#define FX_TXTLAYOUTSTYLE_ExpandTab 0x0100
+#define FX_TXTLAYOUTSTYLE_SingleLine 0x0200
+#define FX_TXTLAYOUTSTYLE_CombText 0x0400
+#define FX_TXTCHARSTYLE_Alignment 0x000F
+#define FX_TXTCHARSTYLE_ArabicNumber 0x0010
+#define FX_TXTCHARSTYLE_ArabicShadda 0x0020
+#define FX_TXTCHARSTYLE_OddBidiLevel 0x0040
+#define FX_TXTCHARSTYLE_RTLReadingOrder 0x0080
+#define FX_TXTCHARSTYLE_ArabicContext 0x0300
+#define FX_TXTCHARSTYLE_ArabicIndic 0x0400
+#define FX_TXTCHARSTYLE_ArabicComma 0x0800
+#define FX_TXTLINEALIGNMENT_Left 0
+#define FX_TXTLINEALIGNMENT_Center 1
+#define FX_TXTLINEALIGNMENT_Right 2
+#define FX_TXTLINEALIGNMENT_Justified (1 << 2)
+#define FX_TXTLINEALIGNMENT_Distributed (2 << 2)
+#define FX_TXTLINEALIGNMENT_JustifiedLeft \
+ (FX_TXTLINEALIGNMENT_Left | FX_TXTLINEALIGNMENT_Justified)
+#define FX_TXTLINEALIGNMENT_JustifiedCenter \
+ (FX_TXTLINEALIGNMENT_Center | FX_TXTLINEALIGNMENT_Justified)
+#define FX_TXTLINEALIGNMENT_JustifiedRight \
+ (FX_TXTLINEALIGNMENT_Right | FX_TXTLINEALIGNMENT_Justified)
+#define FX_TXTLINEALIGNMENT_DistributedLeft \
+ (FX_TXTLINEALIGNMENT_Left | FX_TXTLINEALIGNMENT_Distributed)
+#define FX_TXTLINEALIGNMENT_DistributedCenter \
+ (FX_TXTLINEALIGNMENT_Center | FX_TXTLINEALIGNMENT_Distributed)
+#define FX_TXTLINEALIGNMENT_DistributedRight \
+ (FX_TXTLINEALIGNMENT_Right | FX_TXTLINEALIGNMENT_Distributed)
+#define FX_TXTLINEALIGNMENT_LowerMask 0x03
+#define FX_TXTLINEALIGNMENT_HigherMask 0x0C
+#define FX_TXTBREAK_MinimumTabWidth 160000
+
+class IFX_TxtAccess {
+ public:
+ virtual ~IFX_TxtAccess() {}
+ virtual FX_WCHAR GetChar(void* pIdentity, int32_t index) const = 0;
+ virtual int32_t GetWidth(void* pIdentity, int32_t index) const = 0;
+};
+
+struct FX_TXTRUN {
+ FX_TXTRUN() {
+ pAccess = NULL;
+ pIdentity = NULL;
+ pStr = NULL;
+ pWidths = NULL;
+ iLength = 0;
+ pFont = NULL;
+ fFontSize = 12;
+ dwStyles = 0;
+ iHorizontalScale = 100;
+ iVerticalScale = 100;
+ iCharRotation = 0;
+ dwCharStyles = 0;
+ pRect = NULL;
+ wLineBreakChar = L'\n';
+ bSkipSpace = TRUE;
+ }
+
+ IFX_TxtAccess* pAccess;
+ void* pIdentity;
+ const FX_WCHAR* pStr;
+ int32_t* pWidths;
+ int32_t iLength;
+ IFX_Font* pFont;
+ FX_FLOAT fFontSize;
+ FX_DWORD dwStyles;
+ int32_t iHorizontalScale;
+ int32_t iVerticalScale;
+ int32_t iCharRotation;
+ FX_DWORD dwCharStyles;
+ const CFX_RectF* pRect;
+ FX_WCHAR wLineBreakChar;
+ FX_BOOL bSkipSpace;
+};
+
+class CFX_TxtPiece : public CFX_Target {
+ public:
+ CFX_TxtPiece()
+ : m_dwStatus(FX_TXTBREAK_PieceBreak),
+ m_iStartPos(0),
+ m_iWidth(-1),
+ m_iStartChar(0),
+ m_iChars(0),
+ m_iBidiLevel(0),
+ m_iBidiPos(0),
+ m_iHorizontalScale(100),
+ m_iVerticalScale(100),
+ m_dwCharStyles(0),
+ m_pChars(NULL),
+ m_pUserData(NULL) {}
+ int32_t GetEndPos() const {
+ return m_iWidth < 0 ? m_iStartPos : m_iStartPos + m_iWidth;
+ }
+ int32_t GetLength() const { return m_iChars; }
+ int32_t GetEndChar() const { return m_iStartChar + m_iChars; }
+ CFX_TxtChar* GetCharPtr(int32_t index) const {
+ FXSYS_assert(index > -1 && index < m_iChars && m_pChars != NULL);
+ return m_pChars->GetDataPtr(m_iStartChar + index);
+ }
+ void GetString(FX_WCHAR* pText) const {
+ FXSYS_assert(pText != NULL);
+ int32_t iEndChar = m_iStartChar + m_iChars;
+ CFX_Char* pChar;
+ for (int32_t i = m_iStartChar; i < iEndChar; i++) {
+ pChar = m_pChars->GetDataPtr(i);
+ *pText++ = (FX_WCHAR)pChar->m_wCharCode;
+ }
+ }
+
+ void GetString(CFX_WideString& wsText) const {
+ FX_WCHAR* pText = wsText.GetBuffer(m_iChars);
+ GetString(pText);
+ wsText.ReleaseBuffer(m_iChars);
+ }
+ void GetWidths(int32_t* pWidths) const {
+ FXSYS_assert(pWidths != NULL);
+ int32_t iEndChar = m_iStartChar + m_iChars;
+ CFX_Char* pChar;
+ for (int32_t i = m_iStartChar; i < iEndChar; i++) {
+ pChar = m_pChars->GetDataPtr(i);
+ *pWidths++ = pChar->m_iCharWidth;
+ }
+ }
+ FX_DWORD m_dwStatus;
+ int32_t m_iStartPos;
+ int32_t m_iWidth;
+ int32_t m_iStartChar;
+ int32_t m_iChars;
+ int32_t m_iBidiLevel;
+ int32_t m_iBidiPos;
+ int32_t m_iHorizontalScale;
+ int32_t m_iVerticalScale;
+ FX_DWORD m_dwCharStyles;
+ CFX_TxtCharArray* m_pChars;
+ void* m_pUserData;
+};
+typedef CFX_BaseArrayTemplate<CFX_TxtPiece> CFX_TxtPieceArray;
+
+class IFX_TxtBreak {
+ public:
+ static IFX_TxtBreak* Create(FX_DWORD dwPolicies);
+ virtual ~IFX_TxtBreak() {}
+ virtual void Release() = 0;
+ virtual void SetLineWidth(FX_FLOAT fLineWidth) = 0;
+ virtual void SetLinePos(FX_FLOAT fLinePos) = 0;
+ virtual FX_DWORD GetLayoutStyles() const = 0;
+ virtual void SetLayoutStyles(FX_DWORD dwLayoutStyles) = 0;
+ virtual void SetFont(IFX_Font* pFont) = 0;
+ virtual void SetFontSize(FX_FLOAT fFontSize) = 0;
+ virtual void SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) = 0;
+ virtual void SetDefaultChar(FX_WCHAR wch) = 0;
+ virtual void SetParagraphBreakChar(FX_WCHAR wch) = 0;
+ virtual void SetLineBreakTolerance(FX_FLOAT fTolerance) = 0;
+ virtual void SetHorizontalScale(int32_t iScale) = 0;
+ virtual void SetVerticalScale(int32_t iScale) = 0;
+ virtual void SetCharRotation(int32_t iCharRotation) = 0;
+ virtual void SetCharSpace(FX_FLOAT fCharSpace) = 0;
+ virtual void SetAlignment(int32_t iAlignment) = 0;
+ virtual FX_DWORD GetContextCharStyles() const = 0;
+ virtual void SetContextCharStyles(FX_DWORD dwCharStyles) = 0;
+ virtual void SetCombWidth(FX_FLOAT fCombWidth) = 0;
+ virtual void SetUserData(void* pUserData) = 0;
+ virtual FX_DWORD AppendChar(FX_WCHAR wch) = 0;
+ virtual FX_DWORD EndBreak(FX_DWORD dwStatus = FX_TXTBREAK_PieceBreak) = 0;
+ virtual int32_t CountBreakChars() const = 0;
+ virtual int32_t CountBreakPieces() const = 0;
+ virtual const CFX_TxtPiece* GetBreakPiece(int32_t index) const = 0;
+ virtual void ClearBreakPieces() = 0;
+ virtual void Reset() = 0;
+ virtual int32_t GetDisplayPos(
+ const FX_TXTRUN* pTxtRun,
+ FXTEXT_CHARPOS* pCharPos,
+ FX_BOOL bCharCode = FALSE,
+ CFX_WideString* pWSForms = NULL,
+ FX_AdjustCharDisplayPos pAdjustPos = NULL) const = 0;
+ virtual int32_t GetCharRects(const FX_TXTRUN* pTxtRun,
+ CFX_RectFArray& rtArray,
+ FX_BOOL bCharBBox = FALSE) const = 0;
+};
+
+#endif // XFA_SRC_FGAS_LAYOUT_FGAS_TEXTBREAK_H_
diff --git a/xfa/src/fgas/layout/fgas_unicode.cpp b/xfa/src/fgas/layout/fgas_unicode.cpp
new file mode 100644
index 0000000000..f463d753b5
--- /dev/null
+++ b/xfa/src/fgas/layout/fgas_unicode.cpp
@@ -0,0 +1,117 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/src/fgas/layout/fgas_unicode.h"
+
+void FX_TEXTLAYOUT_PieceSort(CFX_TPOArray& tpos, int32_t iStart, int32_t iEnd) {
+ FXSYS_assert(iStart > -1 && iStart < tpos.GetSize());
+ FXSYS_assert(iEnd > -1 && iEnd < tpos.GetSize());
+ if (iStart >= iEnd) {
+ return;
+ }
+ int32_t i = iStart, j = iEnd;
+ FX_TPO *pCur = tpos.GetPtrAt(iStart), *pSort;
+ int32_t v = pCur->pos;
+ while (i < j) {
+ while (j > i) {
+ pSort = tpos.GetPtrAt(j);
+ if (pSort->pos < v) {
+ FX_TPO t = *pSort;
+ *pSort = *pCur;
+ *pCur = t;
+ pCur = pSort;
+ break;
+ }
+ j--;
+ }
+ while (i < j) {
+ pSort = tpos.GetPtrAt(i);
+ if (pSort->pos > v) {
+ FX_TPO t = *pSort;
+ *pSort = *pCur;
+ *pCur = t;
+ pCur = pSort;
+ break;
+ }
+ i++;
+ }
+ }
+ i--, j++;
+ if (iStart < i) {
+ FX_TEXTLAYOUT_PieceSort(tpos, iStart, i);
+ }
+ if (j < iEnd) {
+ FX_TEXTLAYOUT_PieceSort(tpos, j, iEnd);
+ }
+}
+static const FX_JAPCHARPROPERTYEX gs_FX_JapCharPropertysEx[] = {
+ {0x3001, 0x13}, {0x3002, 0x13}, {0x3041, 0x23}, {0x3043, 0x23},
+ {0x3045, 0x23}, {0x3047, 0x23}, {0x3049, 0x23}, {0x3063, 0x23},
+ {0x3083, 0x23}, {0x3085, 0x23}, {0x3087, 0x23}, {0x308E, 0x23},
+ {0x3095, 0x23}, {0x3096, 0x23}, {0x30A1, 0x23}, {0x30A3, 0x23},
+ {0x30A5, 0x23}, {0x30A7, 0x23}, {0x30A9, 0x23}, {0x30C3, 0x23},
+ {0x30E3, 0x23}, {0x30E5, 0x23}, {0x30E7, 0x23}, {0x30EE, 0x23},
+ {0x30F5, 0x23}, {0x30F6, 0x23}, {0x30FB, 0x22}, {0x31F0, 0x23},
+ {0x31F1, 0x23}, {0x31F2, 0x23}, {0x31F3, 0x23}, {0x31F4, 0x23},
+ {0x31F5, 0x23}, {0x31F6, 0x23}, {0x31F7, 0x23}, {0x31F8, 0x23},
+ {0x31F9, 0x23}, {0x31FA, 0x23}, {0x31FB, 0x23}, {0x31FC, 0x23},
+ {0x31FD, 0x23}, {0x31FE, 0x23}, {0x31FF, 0x23},
+};
+const FX_JAPCHARPROPERTYEX* FX_GetJapCharPropertyEx(FX_WCHAR wch) {
+ int32_t iStart = 0;
+ int32_t iEnd =
+ sizeof(gs_FX_JapCharPropertysEx) / sizeof(FX_JAPCHARPROPERTYEX);
+ while (iStart <= iEnd) {
+ int32_t iMid = (iStart + iEnd) / 2;
+ FX_WCHAR wJapChar = gs_FX_JapCharPropertysEx[iMid].wChar;
+ if (wch == wJapChar) {
+ return gs_FX_JapCharPropertysEx + iMid;
+ } else if (wch < wJapChar) {
+ iEnd = iMid - 1;
+ } else {
+ iStart = iMid + 1;
+ }
+ }
+ return NULL;
+}
+FX_BOOL FX_AdjustJapCharDisplayPos(FX_WCHAR wch,
+ FX_BOOL bMBCSCode,
+ IFX_Font* pFont,
+ FX_FLOAT fFontSize,
+ FX_BOOL bVertical,
+ CFX_PointF& ptOffset) {
+ if (pFont == NULL || !bVertical) {
+ return FALSE;
+ }
+ if (wch < 0x3001 || wch > 0x31FF) {
+ return FALSE;
+ }
+ const FX_JAPCHARPROPERTYEX* pJapChar = FX_GetJapCharPropertyEx(wch);
+ if (pJapChar == NULL) {
+ return FALSE;
+ }
+ CFX_Rect rtBBox;
+ rtBBox.Reset();
+ if (pFont->GetCharBBox(wch, rtBBox, bMBCSCode)) {
+ switch (pJapChar->uAlign & 0xF0) {
+ case FX_JAPCHARPROPERTYEX_Top:
+ ptOffset.y = fFontSize * (1000 - rtBBox.height) / 1200.0f;
+ break;
+ case FX_JAPCHARPROPERTYEX_Middle:
+ ptOffset.y = fFontSize * (1000 - rtBBox.height) / 6000.0f;
+ break;
+ }
+ switch (pJapChar->uAlign & 0x0F) {
+ case FX_JAPCHARPROPERTYEX_Center:
+ ptOffset.x = fFontSize * (600 - rtBBox.right()) / 1000.0f;
+ break;
+ case FX_JAPCHARPROPERTYEX_Right:
+ ptOffset.x = fFontSize * (950 - rtBBox.right()) / 1000.0f;
+ break;
+ }
+ }
+ return TRUE;
+}
diff --git a/xfa/src/fgas/layout/fgas_unicode.h b/xfa/src/fgas/layout/fgas_unicode.h
new file mode 100644
index 0000000000..f25da87e96
--- /dev/null
+++ b/xfa/src/fgas/layout/fgas_unicode.h
@@ -0,0 +1,47 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_SRC_FGAS_LAYOUT_FGAS_UNICODE_H_
+#define XFA_SRC_FGAS_LAYOUT_FGAS_UNICODE_H_
+
+#include "xfa/src/fgas/font/fgas_font.h"
+#include "xfa/src/fgas/crt/fgas_utils.h"
+
+#define FX_JAPCHARPROPERTYEX_Left 0x01
+#define FX_JAPCHARPROPERTYEX_Center 0x02
+#define FX_JAPCHARPROPERTYEX_Right 0x03
+#define FX_JAPCHARPROPERTYEX_Top 0x10
+#define FX_JAPCHARPROPERTYEX_Middle 0x20
+#define FX_JAPCHARPROPERTYEX_Bottom 0x30
+
+struct FX_TPO {
+ int32_t index;
+ int32_t pos;
+};
+typedef CFX_MassArrayTemplate<FX_TPO> CFX_TPOArray;
+
+void FX_TEXTLAYOUT_PieceSort(CFX_TPOArray& tpos, int32_t iStart, int32_t iEnd);
+
+struct FX_JAPCHARPROPERTYEX {
+ FX_WCHAR wChar;
+ uint8_t uAlign;
+};
+
+const FX_JAPCHARPROPERTYEX* FX_GetJapCharPropertyEx(FX_WCHAR wch);
+typedef FX_BOOL (*FX_AdjustCharDisplayPos)(FX_WCHAR wch,
+ FX_BOOL bMBCSCode,
+ IFX_Font* pFont,
+ FX_FLOAT fFontSize,
+ FX_BOOL bVertical,
+ CFX_PointF& ptOffset);
+FX_BOOL FX_AdjustJapCharDisplayPos(FX_WCHAR wch,
+ FX_BOOL bMBCSCode,
+ IFX_Font* pFont,
+ FX_FLOAT fFontSize,
+ FX_BOOL bVertical,
+ CFX_PointF& ptOffset);
+
+#endif // XFA_SRC_FGAS_LAYOUT_FGAS_UNICODE_H_
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 12:41:25 +0000