1 files changed, 111 insertions, 0 deletions
diff --git a/xfa/fxgraphics/cxfa_graphics.h b/xfa/fxgraphics/cxfa_graphics.h
new file mode 100644
index 0000000000..5492d4d3be
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+++ b/xfa/fxgraphics/cxfa_graphics.h
@@ -0,0 +1,111 @@
+// 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 XFA_FXGRAPHICS_CXFA_GRAPHICS_H_
+#define XFA_FXGRAPHICS_CXFA_GRAPHICS_H_
+
+#include <memory>
+#include <vector>
+
+#include "core/fxcrt/fx_system.h"
+#include "core/fxge/cfx_defaultrenderdevice.h"
+#include "core/fxge/cfx_graphstatedata.h"
+#include "core/fxge/cfx_renderdevice.h"
+#include "core/fxge/fx_dib.h"
+#include "core/fxge/fx_font.h"
+
+class CXFA_Color;
+class CXFA_Path;
+
+using FX_FillMode = int32_t;
+
+enum FX_DashStyle {
+  FX_DASHSTYLE_Solid = 0,
+  FX_DASHSTYLE_Dash = 1,
+  FX_DASHSTYLE_Dot = 2,
+  FX_DASHSTYLE_DashDot = 3,
+  FX_DASHSTYLE_DashDotDot = 4
+};
+
+enum class FX_HatchStyle {
+  Horizontal = 0,
+  Vertical = 1,
+  ForwardDiagonal = 2,
+  BackwardDiagonal = 3,
+  Cross = 4,
+  DiagonalCross = 5
+};
+
+class CFX_RenderDevice;
+
+class CXFA_Graphics {
+ public:
+  explicit CXFA_Graphics(CFX_RenderDevice* renderDevice);
+  ~CXFA_Graphics();
+
+  void SaveGraphState();
+  void RestoreGraphState();
+
+  CFX_RectF GetClipRect() const;
+  CFX_Matrix* GetMatrix();
+  CFX_RenderDevice* GetRenderDevice();
+
+  void SetLineCap(CFX_GraphStateData::LineCap lineCap);
+  void SetLineDash(float dashPhase, float* dashArray, int32_t dashCount);
+  void SetLineDash(FX_DashStyle dashStyle);
+  void SetLineWidth(float lineWidth, bool isActOnDash = false);
+  void SetStrokeColor(CXFA_Color* color);
+  void SetFillColor(CXFA_Color* color);
+  void SetClipRect(const CFX_RectF& rect);
+  void StrokePath(CXFA_Path* path, CFX_Matrix* matrix = nullptr);
+  void FillPath(CXFA_Path* path,
+                FX_FillMode fillMode = FXFILL_WINDING,
+                CFX_Matrix* matrix = nullptr);
+  void StretchImage(const CFX_RetainPtr<CFX_DIBSource>& source,
+                    const CFX_RectF& rect,
+                    CFX_Matrix* matrix = nullptr);
+  void ConcatMatrix(const CFX_Matrix* matrix);
+
+ protected:
+  int32_t m_type;
+
+ private:
+  struct TInfo {
+    TInfo();
+    explicit TInfo(const TInfo& info);
+    TInfo& operator=(const TInfo& other);
+
+    CFX_GraphStateData graphState;
+    CFX_Matrix CTM;
+    bool isActOnDash;
+    CXFA_Color* strokeColor;
+    CXFA_Color* fillColor;
+  } m_info;
+
+  void RenderDeviceSetLineDash(FX_DashStyle dashStyle);
+  void RenderDeviceStrokePath(CXFA_Path* path, CFX_Matrix* matrix);
+  void RenderDeviceFillPath(CXFA_Path* path,
+                            FX_FillMode fillMode,
+                            CFX_Matrix* matrix);
+  void RenderDeviceStretchImage(const CFX_RetainPtr<CFX_DIBSource>& source,
+                                const CFX_RectF& rect,
+                                CFX_Matrix* matrix);
+
+  void FillPathWithPattern(CXFA_Path* path,
+                           FX_FillMode fillMode,
+                           CFX_Matrix* matrix);
+  void FillPathWithShading(CXFA_Path* path,
+                           FX_FillMode fillMode,
+                           CFX_Matrix* matrix);
+
+  void SetDIBitsWithMatrix(const CFX_RetainPtr<CFX_DIBSource>& source,
+                           CFX_Matrix* matrix);
+
+  CFX_RenderDevice* const m_renderDevice;  // Not owned.
+  std::vector<std::unique_ptr<TInfo>> m_infoStack;
+};
+
+#endif  // XFA_FXGRAPHICS_CXFA_GRAPHICS_H_