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Diffstat (limited to 'xfa/fxgraphics/cfx_graphics.h')
| -rw-r--r-- | xfa/fxgraphics/cfx_graphics.h | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/xfa/fxgraphics/cfx_graphics.h b/xfa/fxgraphics/cfx_graphics.h new file mode 100644 index 0000000000..66e4da333d --- /dev/null +++ b/xfa/fxgraphics/cfx_graphics.h @@ -0,0 +1,242 @@ +// 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/core/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, + FX_BOOL isAntialiasing = TRUE); + FWL_Error Create(int32_t width, + int32_t height, + FXDIB_Format format, + FX_BOOL isNative = TRUE, + FX_BOOL isAntialiasing = TRUE); + + FWL_Error GetDeviceCap(const int32_t capID, FX_DeviceCap& capVal); + FWL_Error IsPrinterDevice(FX_BOOL& isPrinter); + FWL_Error EnableAntialiasing(FX_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, FX_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); + FWL_Error CalcTextRect(CFX_RectF& rect, + const CFX_WideString& text, + FX_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; + 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; + } 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_ |