// 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 "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" #include "xfa/fwl/fwl_error.h" class CFX_Color; class CFX_Path; class CAGG_Graphics; using FX_DeviceCap = int32_t; 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 FX_StrokeAlignment { FX_STROKEALIGNMENT_Center = 0, FX_STROKEALIGNMENT_Inset = 1, FX_STROKEALIGNMENT_Outset = 2, FX_STROKEALIGNMENT_Left = 3, FX_STROKEALIGNMENT_Right = 4 }; enum FX_HatchStyle { FX_HATCHSTYLE_Horizontal = 0, FX_HATCHSTYLE_Vertical = 1, FX_HATCHSTYLE_ForwardDiagonal = 2, FX_HATCHSTYLE_BackwardDiagonal = 3, FX_HATCHSTYLE_Cross = 4, FX_HATCHSTYLE_DiagonalCross = 5, FX_HATCHSTYLE_05Percent = 6, FX_HATCHSTYLE_10Percent = 7, FX_HATCHSTYLE_20Percent = 8, FX_HATCHSTYLE_25Percent = 9, FX_HATCHSTYLE_30Percent = 10, FX_HATCHSTYLE_40Percent = 11, FX_HATCHSTYLE_50Percent = 12, FX_HATCHSTYLE_60Percent = 13, FX_HATCHSTYLE_70Percent = 14, FX_HATCHSTYLE_75Percent = 15, FX_HATCHSTYLE_80Percent = 16, FX_HATCHSTYLE_90Percent = 17, FX_HATCHSTYLE_LightDownwardDiagonal = 18, FX_HATCHSTYLE_LightUpwardDiagonal = 19, FX_HATCHSTYLE_DarkDownwardDiagonal = 20, FX_HATCHSTYLE_DarkUpwardDiagonal = 21, FX_HATCHSTYLE_WideDownwardDiagonal = 22, FX_HATCHSTYLE_WideUpwardDiagonal = 23, FX_HATCHSTYLE_LightVertical = 24, FX_HATCHSTYLE_LightHorizontal = 25, FX_HATCHSTYLE_NarrowVertical = 26, FX_HATCHSTYLE_NarrowHorizontal = 27, FX_HATCHSTYLE_DarkVertical = 28, FX_HATCHSTYLE_DarkHorizontal = 29, FX_HATCHSTYLE_DashedDownwardDiagonal = 30, FX_HATCHSTYLE_DashedUpwardDiagonal = 31, FX_HATCHSTYLE_DashedHorizontal = 32, FX_HATCHSTYLE_DashedVertical = 33, FX_HATCHSTYLE_SmallConfetti = 34, FX_HATCHSTYLE_LargeConfetti = 35, FX_HATCHSTYLE_ZigZag = 36, FX_HATCHSTYLE_Wave = 37, FX_HATCHSTYLE_DiagonalBrick = 38, FX_HATCHSTYLE_HorizontalBrick = 39, FX_HATCHSTYLE_Weave = 40, FX_HATCHSTYLE_Plaid = 41, FX_HATCHSTYLE_Divot = 42, FX_HATCHSTYLE_DottedGrid = 43, FX_HATCHSTYLE_DottedDiamond = 44, FX_HATCHSTYLE_Shingle = 45, FX_HATCHSTYLE_Trellis = 46, FX_HATCHSTYLE_Sphere = 47, FX_HATCHSTYLE_SmallGrid = 48, FX_HATCHSTYLE_SmallCheckerBoard = 49, FX_HATCHSTYLE_LargeCheckerBoard = 50, FX_HATCHSTYLE_OutlinedDiamond = 51, FX_HATCHSTYLE_SolidDiamond = 52 }; class CFX_RenderDevice; class CFX_Graphics { public: CFX_Graphics(); virtual ~CFX_Graphics(); FWL_Error Create(CFX_RenderDevice* renderDevice, bool isAntialiasing = true); FWL_Error Create(int32_t width, int32_t height, FXDIB_Format format, bool isNative = true, bool isAntialiasing = true); FWL_Error GetDeviceCap(const int32_t capID, FX_DeviceCap& capVal); FWL_Error IsPrinterDevice(bool& isPrinter); FWL_Error EnableAntialiasing(bool isAntialiasing); FWL_Error SaveGraphState(); FWL_Error RestoreGraphState(); FWL_Error GetLineCap(CFX_GraphStateData::LineCap& lineCap) const; FWL_Error GetDashCount(int32_t& dashCount) const; FWL_Error GetLineDash(FX_FLOAT& dashPhase, FX_FLOAT* dashArray) const; FWL_Error GetLineJoin(CFX_GraphStateData::LineJoin& lineJoin) const; FWL_Error GetMiterLimit(FX_FLOAT& miterLimit) const; FWL_Error GetLineWidth(FX_FLOAT& lineWidth) const; FWL_Error GetStrokeAlignment(FX_StrokeAlignment& strokeAlignment) const; FWL_Error GetClipRect(CFX_RectF& rect) const; CFX_Matrix* GetMatrix(); CFX_RenderDevice* GetRenderDevice(); FWL_Error SetLineCap(CFX_GraphStateData::LineCap lineCap); FWL_Error SetLineDash(FX_FLOAT dashPhase, FX_FLOAT* dashArray, int32_t dashCount); FWL_Error SetLineDash(FX_DashStyle dashStyle); FWL_Error SetLineJoin(CFX_GraphStateData::LineJoin lineJoin); FWL_Error SetMiterLimit(FX_FLOAT miterLimit); FWL_Error SetLineWidth(FX_FLOAT lineWidth, bool isActOnDash = false); FWL_Error SetStrokeAlignment(FX_StrokeAlignment strokeAlignment); FWL_Error SetStrokeColor(CFX_Color* color); FWL_Error SetFillColor(CFX_Color* color); FWL_Error SetClipRect(const CFX_RectF& rect); FWL_Error SetFont(CFX_Font* font); FWL_Error SetFontSize(const FX_FLOAT size); FWL_Error SetFontHScale(const FX_FLOAT scale); FWL_Error SetCharSpacing(const FX_FLOAT spacing); FWL_Error SetTextDrawingMode(const int32_t mode); FWL_Error StrokePath(CFX_Path* path, CFX_Matrix* matrix = nullptr); FWL_Error FillPath(CFX_Path* path, FX_FillMode fillMode = FXFILL_WINDING, CFX_Matrix* matrix = nullptr); FWL_Error ClipPath(CFX_Path* path, FX_FillMode fillMode = FXFILL_WINDING, CFX_Matrix* matrix = nullptr); FWL_Error DrawImage(CFX_DIBSource* source, const CFX_PointF& point, CFX_Matrix* matrix = nullptr); FWL_Error StretchImage(CFX_DIBSource* source, const CFX_RectF& rect, CFX_Matrix* matrix = nullptr); FWL_Error ConcatMatrix(const CFX_Matrix* matrix); FWL_Error ClearClip(); FWL_Error ShowText(const CFX_PointF& point, const CFX_WideString& text, CFX_Matrix* matrix = nullptr); void CalcTextRect(CFX_RectF& rect, const CFX_WideString& text, bool isMultiline = false, CFX_Matrix* matrix = nullptr); FWL_Error Transfer(CFX_Graphics* graphics, const CFX_Matrix* matrix); FWL_Error Transfer(CFX_Graphics* graphics, FX_FLOAT srcLeft, FX_FLOAT srcTop, const CFX_RectF& dstRect, const CFX_Matrix* matrix); FWL_Error InverseRect(const CFX_RectF& rect); FWL_Error XorDIBitmap(const CFX_DIBitmap* srcBitmap, const CFX_RectF& rect); FWL_Error EqvDIBitmap(const CFX_DIBitmap* srcBitmap, const CFX_RectF& rect); protected: int32_t m_type; private: struct TInfo { TInfo(); explicit TInfo(const TInfo& info); TInfo& operator=(const TInfo& other); CFX_GraphStateData graphState; bool isAntialiasing; FX_StrokeAlignment strokeAlignment; CFX_Matrix CTM; bool isActOnDash; CFX_Color* strokeColor; CFX_Color* fillColor; CFX_Font* font; FX_FLOAT fontSize; FX_FLOAT fontHScale; FX_FLOAT fontSpacing; } m_info; FWL_Error RenderDeviceSetLineDash(FX_DashStyle dashStyle); FWL_Error RenderDeviceStrokePath(CFX_Path* path, CFX_Matrix* matrix); FWL_Error RenderDeviceFillPath(CFX_Path* path, FX_FillMode fillMode, CFX_Matrix* matrix); FWL_Error RenderDeviceDrawImage(CFX_DIBSource* source, const CFX_PointF& point, CFX_Matrix* matrix); FWL_Error RenderDeviceStretchImage(CFX_DIBSource* source, const CFX_RectF& rect, CFX_Matrix* matrix); FWL_Error RenderDeviceShowText(const CFX_PointF& point, const CFX_WideString& text, CFX_Matrix* matrix); FWL_Error StrokePathWithPattern(CFX_Path* path, CFX_Matrix* matrix); FWL_Error StrokePathWithShading(CFX_Path* path, CFX_Matrix* matrix); FWL_Error FillPathWithPattern(CFX_Path* path, FX_FillMode fillMode, CFX_Matrix* matrix); FWL_Error FillPathWithShading(CFX_Path* path, FX_FillMode fillMode, CFX_Matrix* matrix); FWL_Error SetDIBitsWithMatrix(CFX_DIBSource* source, CFX_Matrix* matrix); FWL_Error CalcTextInfo(const CFX_WideString& text, uint32_t* charCodes, FXTEXT_CHARPOS* charPos, CFX_RectF& rect); CFX_RenderDevice* m_renderDevice; CFX_ArrayTemplate<TInfo*> m_infoStack; std::unique_ptr<CAGG_Graphics> m_aggGraphics; friend class CAGG_Graphics; }; #endif // XFA_FXGRAPHICS_CFX_GRAPHICS_H_