Move CPDF_GraphState to CFX_GraphState

The FX layer is spying on its private data, so make the job
of ref-counting it live in FX as well, instead of up a layer
at pdfapi.

Pre-cursor to making this private and passing the graph
state itself everywhere.

Review-Url: https://codereview.chromium.org/2314223002

1 files changed, 44 insertions, 0 deletions

diff --git a/core/fxge/include/cfx_graphstate.h b/core/fxge/include/cfx_graphstate.h
new file mode 100644
index 0000000000..9470303ac1
--- /dev/null
+++ b/core/fxge/include/cfx_graphstate.h
@@ -0,0 +1,44 @@
+// Copyright 2016 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 CORE_FXGE_INCLUDE_CFX_GRAPHSTATE_H_
+#define CORE_FXGE_INCLUDE_CFX_GRAPHSTATE_H_
+
+#include "core/fxcrt/include/cfx_count_ref.h"
+#include "core/fxge/include/cfx_graphstatedata.h"
+
+class CPDF_Array;
+
+class CFX_GraphState {
+ public:
+  CFX_GraphState();
+  CFX_GraphState(const CFX_GraphState& that);
+  ~CFX_GraphState();
+
+  void Emplace();
+
+  void SetLineDash(CPDF_Array* pArray, FX_FLOAT phase, FX_FLOAT scale);
+
+  FX_FLOAT GetLineWidth() const;
+  void SetLineWidth(FX_FLOAT width);
+
+  CFX_GraphStateData::LineCap GetLineCap() const;
+  void SetLineCap(CFX_GraphStateData::LineCap cap);
+
+  CFX_GraphStateData::LineJoin GetLineJoin() const;
+  void SetLineJoin(CFX_GraphStateData::LineJoin join);
+
+  FX_FLOAT GetMiterLimit() const;
+  void SetMiterLimit(FX_FLOAT limit);
+
+  // FIXME(tsepez): remove when all GraphStateData usage gone.
+  const CFX_GraphStateData* GetObject() const { return m_Ref.GetObject(); }
+
+ private:
+  CFX_CountRef<CFX_GraphStateData> m_Ref;
+};
+
+#endif  // CORE_FXGE_INCLUDE_CFX_GRAPHSTATE_H_