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-rw-r--r--xfa/include/fxgraphics/fx_graphics.h501
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_
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 02:40:41 +0000