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Diffstat (limited to 'xfa/src/fgas/src/layout/fx_unicode.cpp')
-rw-r--r--xfa/src/fgas/src/layout/fx_unicode.cpp146
1 files changed, 146 insertions, 0 deletions
diff --git a/xfa/src/fgas/src/layout/fx_unicode.cpp b/xfa/src/fgas/src/layout/fx_unicode.cpp
new file mode 100644
index 0000000000..def5d707f5
--- /dev/null
+++ b/xfa/src/fgas/src/layout/fx_unicode.cpp
@@ -0,0 +1,146 @@
+// 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 "../fgas_base.h"
+#include "fx_unicode.h"
+void FX_TEXTLAYOUT_PieceSort(CFX_TPOArray &tpos, FX_INT32 iStart, FX_INT32 iEnd)
+{
+ FXSYS_assert(iStart > -1 && iStart < tpos.GetSize());
+ FXSYS_assert(iEnd > -1 && iEnd < tpos.GetSize());
+ if (iStart >= iEnd) {
+ return;
+ }
+ FX_INT32 i = iStart, j = iEnd;
+ FX_TPO *pCur = tpos.GetPtrAt(iStart), *pSort;
+ FX_INT32 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},
+};
+FX_LPCJAPCHARPROPERTYEX FX_GetJapCharPropertyEx(FX_WCHAR wch)
+{
+ FX_INT32 iStart = 0;
+ FX_INT32 iEnd = sizeof(gs_FX_JapCharPropertysEx) / sizeof(FX_JAPCHARPROPERTYEX);
+ while (iStart <= iEnd) {
+ FX_INT32 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;
+ }
+ FX_LPCJAPCHARPROPERTYEX 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;
+}