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Diffstat (limited to 'xfa/include/fxgraphics/fx_graphics.h')
| -rw-r--r-- | xfa/include/fxgraphics/fx_graphics.h | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/xfa/include/fxgraphics/fx_graphics.h b/xfa/include/fxgraphics/fx_graphics.h new file mode 100644 index 0000000000..a770c48051 --- /dev/null +++ b/xfa/include/fxgraphics/fx_graphics.h @@ -0,0 +1,501 @@ +// 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 + +#ifndef XFA_INCLUDE_FXGRAPHICS_FX_GRAPHICS_H_ +#define XFA_INCLUDE_FXGRAPHICS_FX_GRAPHICS_H_ + +#include "core/include/fpdfapi/fpdf_pageobj.h" + +typedef int FX_ERR; +#define FX_ERR_Succeeded 0 +#define FX_ERR_Indefinite -1 +#define FX_ERR_Parameter_Invalid -100 +#define FX_ERR_Property_Invalid -200 +#define FX_ERR_Intermediate_Value_Invalid -300 +#define FX_ERR_Method_Not_Supported -400 +#define FX_ERR_Out_Of_Memory -500 +#define _FX_RETURN_IF_FAIL(arg) \ + { \ + if (!(arg)) \ + return; \ + } +#define _FX_RETURN_VALUE_IF_FAIL(arg, val) \ + { \ + if (!(arg)) \ + return val; \ + } +#define _FX_GOTO_POSITION_IF_FAIL(arg, pos) \ + { \ + if (!(arg)) \ + goto pos; \ + } +#define _FX_ERR_CHECK_RETURN_IF_FAIL(arg) \ + { \ + if ((arg) != FX_ERR_Succeeded) \ + return; \ + } +#define _FX_ERR_CHECK_RETURN_VALUE_IF_FAIL(arg, val) \ + { \ + if ((arg) != FX_ERR_Succeeded) \ + return val; \ + } +#define _FX_ERR_CHECK_GOTO_POSITION_IF_FAIL(arg, pos) \ + { \ + if ((arg) != FX_ERR_Succeeded) \ + goto pos; \ + } + +#define FX_SHADING_Steps 256 +typedef int32_t FX_DashStyle; +enum { + FX_DASHSTYLE_Solid = 0, + FX_DASHSTYLE_Dash = 1, + FX_DASHSTYLE_Dot = 2, + FX_DASHSTYLE_DashDot = 3, + FX_DASHSTYLE_DashDotDot = 4 +}; +typedef int32_t FX_StrokeAlignment; +enum { + FX_STROKEALIGNMENT_Center = 0, + FX_STROKEALIGNMENT_Inset = 1, + FX_STROKEALIGNMENT_Outset = 2, + FX_STROKEALIGNMENT_Left = 3, + FX_STROKEALIGNMENT_Right = 4 +}; +typedef int32_t FX_HatchStyle; +enum { + 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 +}; +typedef int32_t FX_DeviceCap; +typedef int32_t FX_FillMode; +class CFX_RenderDevice; +class CFX_GraphStateData; +class CFX_Matrix; +class CFX_DIBSource; +class CFX_DIBitmap; +class CFX_Font; +class CFX_WideString; +class IFX_FileRead; +class CFX_PathGenerator; +class CAGG_Graphics; +class CFX_Graphics; +class CFX_Color; +class CFX_Path; +class CFX_Pattern; +class CFX_Shading; +class CFX_Graphics { + public: + CFX_Graphics(); + + FX_ERR Create(CFX_RenderDevice* renderDevice, FX_BOOL isAntialiasing = TRUE); + + FX_ERR Create(int32_t width, + int32_t height, + FXDIB_Format format, + FX_BOOL isNative = TRUE, + FX_BOOL isAntialiasing = TRUE); + + virtual ~CFX_Graphics(); + + FX_ERR GetDeviceCap(const int32_t capID, FX_DeviceCap& capVal); + FX_ERR IsPrinterDevice(FX_BOOL& isPrinter); + FX_ERR EnableAntialiasing(FX_BOOL isAntialiasing); + + FX_ERR SaveGraphState(); + + FX_ERR RestoreGraphState(); + + FX_ERR GetLineCap(CFX_GraphStateData::LineCap& lineCap); + + FX_ERR SetLineCap(CFX_GraphStateData::LineCap lineCap); + + FX_ERR GetDashCount(int32_t& dashCount); + + FX_ERR GetLineDash(FX_FLOAT& dashPhase, FX_FLOAT* dashArray); + + FX_ERR SetLineDash(FX_FLOAT dashPhase, + FX_FLOAT* dashArray, + int32_t dashCount); + + FX_ERR SetLineDash(FX_DashStyle dashStyle); + + FX_ERR GetLineJoin(CFX_GraphStateData::LineJoin& lineJoin); + + FX_ERR SetLineJoin(CFX_GraphStateData::LineJoin lineJoin); + + FX_ERR GetMiterLimit(FX_FLOAT& miterLimit); + + FX_ERR SetMiterLimit(FX_FLOAT miterLimit); + + FX_ERR GetLineWidth(FX_FLOAT& lineWidth); + + FX_ERR SetLineWidth(FX_FLOAT lineWidth, FX_BOOL isActOnDash = FALSE); + + FX_ERR GetStrokeAlignment(FX_StrokeAlignment& strokeAlignment); + + FX_ERR SetStrokeAlignment(FX_StrokeAlignment strokeAlignment); + + FX_ERR SetStrokeColor(CFX_Color* color); + + FX_ERR SetFillColor(CFX_Color* color); + + FX_ERR StrokePath(CFX_Path* path, CFX_Matrix* matrix = NULL); + + FX_ERR FillPath(CFX_Path* path, + FX_FillMode fillMode = FXFILL_WINDING, + CFX_Matrix* matrix = NULL); + + FX_ERR ClipPath(CFX_Path* path, + FX_FillMode fillMode = FXFILL_WINDING, + CFX_Matrix* matrix = NULL); + + FX_ERR DrawImage(CFX_DIBSource* source, + const CFX_PointF& point, + CFX_Matrix* matrix = NULL); + + FX_ERR StretchImage(CFX_DIBSource* source, + const CFX_RectF& rect, + CFX_Matrix* matrix = NULL); + + FX_ERR ConcatMatrix(const CFX_Matrix* matrix); + + CFX_Matrix* GetMatrix(); + + FX_ERR GetClipRect(CFX_RectF& rect); + + FX_ERR SetClipRect(const CFX_RectF& rect); + + FX_ERR ClearClip(); + + FX_ERR SetFont(CFX_Font* font); + + FX_ERR SetFontSize(const FX_FLOAT size); + + FX_ERR SetFontHScale(const FX_FLOAT scale); + + FX_ERR SetCharSpacing(const FX_FLOAT spacing); + + FX_ERR SetTextDrawingMode(const int32_t mode); + + FX_ERR ShowText(const CFX_PointF& point, + const CFX_WideString& text, + CFX_Matrix* matrix = NULL); + + FX_ERR CalcTextRect(CFX_RectF& rect, + const CFX_WideString& text, + FX_BOOL isMultiline = FALSE, + CFX_Matrix* matrix = NULL); + + FX_ERR Transfer(CFX_Graphics* graphics, const CFX_Matrix* matrix); + FX_ERR Transfer(CFX_Graphics* graphics, + FX_FLOAT srcLeft, + FX_FLOAT srcTop, + const CFX_RectF& dstRect, + const CFX_Matrix* matrix); + + CFX_RenderDevice* GetRenderDevice(); + + FX_ERR InverseRect(const CFX_RectF& rect); + FX_ERR XorDIBitmap(const CFX_DIBitmap* srcBitmap, const CFX_RectF& rect); + FX_ERR EqvDIBitmap(const CFX_DIBitmap* srcBitmap, const CFX_RectF& rect); + + private: + FX_ERR RenderDeviceSetLineDash(FX_DashStyle dashStyle); + + FX_ERR RenderDeviceStrokePath(CFX_Path* path, CFX_Matrix* matrix); + + FX_ERR RenderDeviceFillPath(CFX_Path* path, + FX_FillMode fillMode, + CFX_Matrix* matrix); + + FX_ERR RenderDeviceDrawImage(CFX_DIBSource* source, + const CFX_PointF& point, + CFX_Matrix* matrix); + + FX_ERR RenderDeviceStretchImage(CFX_DIBSource* source, + const CFX_RectF& rect, + CFX_Matrix* matrix); + + FX_ERR RenderDeviceShowText(const CFX_PointF& point, + const CFX_WideString& text, + CFX_Matrix* matrix); + + FX_ERR StrokePathWithPattern(CFX_Path* path, CFX_Matrix* matrix); + + FX_ERR StrokePathWithShading(CFX_Path* path, CFX_Matrix* matrix); + + FX_ERR FillPathWithPattern(CFX_Path* path, + FX_FillMode fillMode, + CFX_Matrix* matrix); + + FX_ERR FillPathWithShading(CFX_Path* path, + FX_FillMode fillMode, + CFX_Matrix* matrix); + FX_ERR SetDIBitsWithMatrix(CFX_DIBSource* source, CFX_Matrix* matrix); + FX_ERR CalcTextInfo(const CFX_WideString& text, + FX_DWORD* charCodes, + FXTEXT_CHARPOS* charPos, + CFX_RectF& rect); + + protected: + int32_t _type; + + private: + struct TInfo { + CFX_GraphStateData _graphState; + FX_BOOL _isAntialiasing; + FX_StrokeAlignment _strokeAlignment; + CFX_Matrix _CTM; + FX_BOOL _isActOnDash; + CFX_Color* _strokeColor; + CFX_Color* _fillColor; + CFX_Font* _font; + FX_FLOAT _fontSize; + FX_FLOAT _fontHScale; + FX_FLOAT _fontSpacing; + } _info; + CFX_RenderDevice* _renderDevice; + CFX_PtrArray _infoStack; + CAGG_Graphics* _aggGraphics; + friend class CAGG_Graphics; +}; +class CFX_Path { + public: + CFX_Path(); + + FX_ERR Create(); + + virtual ~CFX_Path(); + + FX_ERR MoveTo(FX_FLOAT x, FX_FLOAT y); + + FX_ERR LineTo(FX_FLOAT x, FX_FLOAT y); + + FX_ERR BezierTo(FX_FLOAT ctrlX1, + FX_FLOAT ctrlY1, + FX_FLOAT ctrlX2, + FX_FLOAT ctrlY2, + FX_FLOAT toX, + FX_FLOAT toY); + + FX_ERR ArcTo(FX_FLOAT left, + FX_FLOAT top, + FX_FLOAT width, + FX_FLOAT height, + FX_FLOAT startAngle, + FX_FLOAT sweepAngle); + + FX_ERR Close(); + + FX_ERR AddLine(FX_FLOAT x1, FX_FLOAT y1, FX_FLOAT x2, FX_FLOAT y2); + + FX_ERR AddBezier(FX_FLOAT startX, + FX_FLOAT startY, + FX_FLOAT ctrlX1, + FX_FLOAT ctrlY1, + FX_FLOAT ctrlX2, + FX_FLOAT ctrlY2, + FX_FLOAT endX, + FX_FLOAT endY); + + FX_ERR AddRectangle(FX_FLOAT left, + FX_FLOAT top, + FX_FLOAT width, + FX_FLOAT height); + + FX_ERR AddEllipse(FX_FLOAT left, + FX_FLOAT top, + FX_FLOAT width, + FX_FLOAT height); + + FX_ERR AddEllipse(const CFX_RectF& rect); + + FX_ERR AddArc(FX_FLOAT left, + FX_FLOAT top, + FX_FLOAT width, + FX_FLOAT height, + FX_FLOAT startAngle, + FX_FLOAT sweepAngle); + + FX_ERR AddPie(FX_FLOAT left, + FX_FLOAT top, + FX_FLOAT width, + FX_FLOAT height, + FX_FLOAT startAngle, + FX_FLOAT sweepAngle); + + FX_ERR AddSubpath(CFX_Path* path); + + FX_ERR Clear(); + + FX_BOOL IsEmpty(); + + CFX_PathData* GetPathData(); + + private: + CFX_PathGenerator* _generator; +}; +class CFX_Color { + public: + CFX_Color(); + + CFX_Color(const FX_ARGB argb); + + CFX_Color(CFX_Pattern* pattern, const FX_ARGB argb = 0x0); + + CFX_Color(CFX_Shading* shading); + + virtual ~CFX_Color(); + + FX_ERR Set(const FX_ARGB argb); + + FX_ERR Set(CFX_Pattern* pattern, const FX_ARGB argb = 0x0); + + FX_ERR Set(CFX_Shading* shading); + + private: + int32_t _type; + union { + struct { + FX_ARGB _argb; + CFX_Pattern* _pattern; + }; + CFX_Shading* _shading; + }; + + friend class CFX_Graphics; +}; +class CFX_Pattern { + public: + CFX_Pattern(); + + FX_ERR Create(CFX_DIBitmap* bitmap, + const FX_FLOAT xStep, + const FX_FLOAT yStep, + CFX_Matrix* matrix = NULL); + + FX_ERR Create(FX_HatchStyle hatchStyle, + const FX_ARGB foreArgb, + const FX_ARGB backArgb, + CFX_Matrix* matrix = NULL); + + virtual ~CFX_Pattern(); + + private: + int32_t _type; + CFX_Matrix _matrix; + union { + struct { + CFX_RectF _rect; + FX_FLOAT _xStep; + FX_FLOAT _yStep; + FX_BOOL _isColored; + }; + struct { + CFX_DIBitmap* _bitmap; + FX_FLOAT _x1Step; + FX_FLOAT _y1Step; + }; + struct { + FX_HatchStyle _hatchStyle; + FX_ARGB _foreArgb; + FX_ARGB _backArgb; + }; + }; + friend class CFX_Graphics; +}; +class CFX_Shading { + public: + CFX_Shading(); + + FX_ERR CreateAxial(const CFX_PointF& beginPoint, + const CFX_PointF& endPoint, + FX_BOOL isExtendedBegin, + FX_BOOL isExtendedEnd, + const FX_ARGB beginArgb, + const FX_ARGB endArgb); + + FX_ERR CreateRadial(const CFX_PointF& beginPoint, + const CFX_PointF& endPoint, + const FX_FLOAT beginRadius, + const FX_FLOAT endRadius, + FX_BOOL isExtendedBegin, + FX_BOOL isExtendedEnd, + const FX_ARGB beginArgb, + const FX_ARGB endArgb); + + virtual ~CFX_Shading(); + + private: + FX_ERR InitArgbArray(); + + private: + int32_t _type; + CFX_PointF _beginPoint; + CFX_PointF _endPoint; + FX_FLOAT _beginRadius; + FX_FLOAT _endRadius; + FX_BOOL _isExtendedBegin; + FX_BOOL _isExtendedEnd; + FX_ARGB _beginArgb; + FX_ARGB _endArgb; + FX_ARGB _argbArray[FX_SHADING_Steps]; + friend class CFX_Graphics; +}; + +#endif // XFA_INCLUDE_FXGRAPHICS_FX_GRAPHICS_H_ |