// 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_CFX_GRAPHICS_H_ #define XFA_FXGRAPHICS_CFX_GRAPHICS_H_ #include <memory> #include <vector> #include "core/fxcrt/fx_system.h" #include "core/fxge/cfx_fxgedevice.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 CFX_Color; class CFX_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 CFX_Graphics { public: explicit CFX_Graphics(CFX_RenderDevice* renderDevice); ~CFX_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(CFX_Color* color); void SetFillColor(CFX_Color* color); void SetClipRect(const CFX_RectF& rect); void StrokePath(CFX_Path* path, CFX_Matrix* matrix = nullptr); void FillPath(CFX_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; CFX_Color* strokeColor; CFX_Color* fillColor; } m_info; void RenderDeviceSetLineDash(FX_DashStyle dashStyle); void RenderDeviceStrokePath(CFX_Path* path, CFX_Matrix* matrix); void RenderDeviceFillPath(CFX_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(CFX_Path* path, FX_FillMode fillMode, CFX_Matrix* matrix); void FillPathWithShading(CFX_Path* path, FX_FillMode fillMode, CFX_Matrix* matrix); void SetDIBitsWithMatrix(const CFX_RetainPtr<CFX_DIBSource>& source, CFX_Matrix* matrix); CFX_RenderDevice* m_renderDevice; std::vector<std::unique_ptr<TInfo>> m_infoStack; }; #endif // XFA_FXGRAPHICS_CFX_GRAPHICS_H_