// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef XFA_FXGRAPHICS_INCLUDE_CFX_GRAPHICS_H_
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#define XFA_FXGRAPHICS_INCLUDE_CFX_GRAPHICS_H_
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#include "core/fxcrt/include/fx_system.h"
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#include "core/fxge/include/fx_dib.h"
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#include "core/fxge/include/fx_ge.h"
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#include "xfa/fwl/core/fwl_error.h"
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class CFX_Color;
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class CFX_Path;
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class CAGG_Graphics;
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using FX_DeviceCap = int32_t;
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using FX_FillMode = int32_t;
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enum FX_DashStyle {
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FX_DASHSTYLE_Solid = 0,
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FX_DASHSTYLE_Dash = 1,
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FX_DASHSTYLE_Dot = 2,
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FX_DASHSTYLE_DashDot = 3,
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FX_DASHSTYLE_DashDotDot = 4
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};
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enum FX_StrokeAlignment {
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FX_STROKEALIGNMENT_Center = 0,
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FX_STROKEALIGNMENT_Inset = 1,
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FX_STROKEALIGNMENT_Outset = 2,
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FX_STROKEALIGNMENT_Left = 3,
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FX_STROKEALIGNMENT_Right = 4
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};
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enum FX_HatchStyle {
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FX_HATCHSTYLE_Horizontal = 0,
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FX_HATCHSTYLE_Vertical = 1,
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FX_HATCHSTYLE_ForwardDiagonal = 2,
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FX_HATCHSTYLE_BackwardDiagonal = 3,
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FX_HATCHSTYLE_Cross = 4,
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FX_HATCHSTYLE_DiagonalCross = 5,
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FX_HATCHSTYLE_05Percent = 6,
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FX_HATCHSTYLE_10Percent = 7,
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FX_HATCHSTYLE_20Percent = 8,
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FX_HATCHSTYLE_25Percent = 9,
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FX_HATCHSTYLE_30Percent = 10,
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FX_HATCHSTYLE_40Percent = 11,
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FX_HATCHSTYLE_50Percent = 12,
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FX_HATCHSTYLE_60Percent = 13,
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FX_HATCHSTYLE_70Percent = 14,
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FX_HATCHSTYLE_75Percent = 15,
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FX_HATCHSTYLE_80Percent = 16,
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FX_HATCHSTYLE_90Percent = 17,
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FX_HATCHSTYLE_LightDownwardDiagonal = 18,
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FX_HATCHSTYLE_LightUpwardDiagonal = 19,
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FX_HATCHSTYLE_DarkDownwardDiagonal = 20,
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FX_HATCHSTYLE_DarkUpwardDiagonal = 21,
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FX_HATCHSTYLE_WideDownwardDiagonal = 22,
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FX_HATCHSTYLE_WideUpwardDiagonal = 23,
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FX_HATCHSTYLE_LightVertical = 24,
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FX_HATCHSTYLE_LightHorizontal = 25,
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FX_HATCHSTYLE_NarrowVertical = 26,
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FX_HATCHSTYLE_NarrowHorizontal = 27,
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FX_HATCHSTYLE_DarkVertical = 28,
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FX_HATCHSTYLE_DarkHorizontal = 29,
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FX_HATCHSTYLE_DashedDownwardDiagonal = 30,
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FX_HATCHSTYLE_DashedUpwardDiagonal = 31,
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FX_HATCHSTYLE_DashedHorizontal = 32,
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FX_HATCHSTYLE_DashedVertical = 33,
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FX_HATCHSTYLE_SmallConfetti = 34,
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FX_HATCHSTYLE_LargeConfetti = 35,
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FX_HATCHSTYLE_ZigZag = 36,
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FX_HATCHSTYLE_Wave = 37,
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FX_HATCHSTYLE_DiagonalBrick = 38,
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FX_HATCHSTYLE_HorizontalBrick = 39,
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FX_HATCHSTYLE_Weave = 40,
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FX_HATCHSTYLE_Plaid = 41,
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FX_HATCHSTYLE_Divot = 42,
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FX_HATCHSTYLE_DottedGrid = 43,
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FX_HATCHSTYLE_DottedDiamond = 44,
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FX_HATCHSTYLE_Shingle = 45,
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FX_HATCHSTYLE_Trellis = 46,
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FX_HATCHSTYLE_Sphere = 47,
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FX_HATCHSTYLE_SmallGrid = 48,
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FX_HATCHSTYLE_SmallCheckerBoard = 49,
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FX_HATCHSTYLE_LargeCheckerBoard = 50,
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FX_HATCHSTYLE_OutlinedDiamond = 51,
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FX_HATCHSTYLE_SolidDiamond = 52
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};
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class CFX_RenderDevice;
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class CFX_Graphics {
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public:
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CFX_Graphics();
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virtual ~CFX_Graphics();
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FWL_Error Create(CFX_RenderDevice* renderDevice,
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FX_BOOL isAntialiasing = TRUE);
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FWL_Error Create(int32_t width,
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int32_t height,
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FXDIB_Format format,
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FX_BOOL isNative = TRUE,
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FX_BOOL isAntialiasing = TRUE);
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FWL_Error GetDeviceCap(const int32_t capID, FX_DeviceCap& capVal);
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FWL_Error IsPrinterDevice(FX_BOOL& isPrinter);
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FWL_Error EnableAntialiasing(FX_BOOL isAntialiasing);
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FWL_Error SaveGraphState();
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FWL_Error RestoreGraphState();
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FWL_Error GetLineCap(CFX_GraphStateData::LineCap& lineCap) const;
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FWL_Error GetDashCount(int32_t& dashCount) const;
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FWL_Error GetLineDash(FX_FLOAT& dashPhase, FX_FLOAT* dashArray) const;
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FWL_Error GetLineJoin(CFX_GraphStateData::LineJoin& lineJoin) const;
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FWL_Error GetMiterLimit(FX_FLOAT& miterLimit) const;
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FWL_Error GetLineWidth(FX_FLOAT& lineWidth) const;
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FWL_Error GetStrokeAlignment(FX_StrokeAlignment& strokeAlignment) const;
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FWL_Error GetClipRect(CFX_RectF& rect) const;
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CFX_Matrix* GetMatrix();
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CFX_RenderDevice* GetRenderDevice();
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FWL_Error SetLineCap(CFX_GraphStateData::LineCap lineCap);
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FWL_Error SetLineDash(FX_FLOAT dashPhase,
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FX_FLOAT* dashArray,
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int32_t dashCount);
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FWL_Error SetLineDash(FX_DashStyle dashStyle);
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FWL_Error SetLineJoin(CFX_GraphStateData::LineJoin lineJoin);
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FWL_Error SetMiterLimit(FX_FLOAT miterLimit);
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FWL_Error SetLineWidth(FX_FLOAT lineWidth, FX_BOOL isActOnDash = FALSE);
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FWL_Error SetStrokeAlignment(FX_StrokeAlignment strokeAlignment);
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FWL_Error SetStrokeColor(CFX_Color* color);
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FWL_Error SetFillColor(CFX_Color* color);
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FWL_Error SetClipRect(const CFX_RectF& rect);
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FWL_Error SetFont(CFX_Font* font);
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FWL_Error SetFontSize(const FX_FLOAT size);
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FWL_Error SetFontHScale(const FX_FLOAT scale);
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FWL_Error SetCharSpacing(const FX_FLOAT spacing);
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FWL_Error SetTextDrawingMode(const int32_t mode);
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FWL_Error StrokePath(CFX_Path* path, CFX_Matrix* matrix = nullptr);
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FWL_Error FillPath(CFX_Path* path,
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FX_FillMode fillMode = FXFILL_WINDING,
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CFX_Matrix* matrix = nullptr);
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FWL_Error ClipPath(CFX_Path* path,
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FX_FillMode fillMode = FXFILL_WINDING,
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CFX_Matrix* matrix = nullptr);
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FWL_Error DrawImage(CFX_DIBSource* source,
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const CFX_PointF& point,
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CFX_Matrix* matrix = nullptr);
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FWL_Error StretchImage(CFX_DIBSource* source,
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const CFX_RectF& rect,
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CFX_Matrix* matrix = nullptr);
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FWL_Error ConcatMatrix(const CFX_Matrix* matrix);
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FWL_Error ClearClip();
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FWL_Error ShowText(const CFX_PointF& point,
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const CFX_WideString& text,
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CFX_Matrix* matrix = nullptr);
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FWL_Error CalcTextRect(CFX_RectF& rect,
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const CFX_WideString& text,
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FX_BOOL isMultiline = FALSE,
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CFX_Matrix* matrix = nullptr);
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FWL_Error Transfer(CFX_Graphics* graphics, const CFX_Matrix* matrix);
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FWL_Error Transfer(CFX_Graphics* graphics,
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FX_FLOAT srcLeft,
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FX_FLOAT srcTop,
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const CFX_RectF& dstRect,
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const CFX_Matrix* matrix);
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FWL_Error InverseRect(const CFX_RectF& rect);
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FWL_Error XorDIBitmap(const CFX_DIBitmap* srcBitmap, const CFX_RectF& rect);
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FWL_Error EqvDIBitmap(const CFX_DIBitmap* srcBitmap, const CFX_RectF& rect);
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protected:
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int32_t m_type;
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private:
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struct TInfo {
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TInfo();
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explicit TInfo(const TInfo& info);
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TInfo& operator=(const TInfo& other);
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CFX_GraphStateData graphState;
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FX_BOOL isAntialiasing;
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FX_StrokeAlignment strokeAlignment;
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CFX_Matrix CTM;
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FX_BOOL isActOnDash;
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CFX_Color* strokeColor;
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CFX_Color* fillColor;
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CFX_Font* font;
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FX_FLOAT fontSize;
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FX_FLOAT fontHScale;
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FX_FLOAT fontSpacing;
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} m_info;
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FWL_Error RenderDeviceSetLineDash(FX_DashStyle dashStyle);
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FWL_Error RenderDeviceStrokePath(CFX_Path* path, CFX_Matrix* matrix);
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FWL_Error RenderDeviceFillPath(CFX_Path* path,
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FX_FillMode fillMode,
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CFX_Matrix* matrix);
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FWL_Error RenderDeviceDrawImage(CFX_DIBSource* source,
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const CFX_PointF& point,
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CFX_Matrix* matrix);
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FWL_Error RenderDeviceStretchImage(CFX_DIBSource* source,
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const CFX_RectF& rect,
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CFX_Matrix* matrix);
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FWL_Error RenderDeviceShowText(const CFX_PointF& point,
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const CFX_WideString& text,
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CFX_Matrix* matrix);
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FWL_Error StrokePathWithPattern(CFX_Path* path, CFX_Matrix* matrix);
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FWL_Error StrokePathWithShading(CFX_Path* path, CFX_Matrix* matrix);
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FWL_Error FillPathWithPattern(CFX_Path* path,
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FX_FillMode fillMode,
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CFX_Matrix* matrix);
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FWL_Error FillPathWithShading(CFX_Path* path,
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FX_FillMode fillMode,
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CFX_Matrix* matrix);
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FWL_Error SetDIBitsWithMatrix(CFX_DIBSource* source, CFX_Matrix* matrix);
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FWL_Error CalcTextInfo(const CFX_WideString& text,
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uint32_t* charCodes,
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FXTEXT_CHARPOS* charPos,
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CFX_RectF& rect);
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CFX_RenderDevice* m_renderDevice;
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CFX_ArrayTemplate<TInfo*> m_infoStack;
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CAGG_Graphics* m_aggGraphics;
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friend class CAGG_Graphics;
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};
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#endif // XFA_FXGRAPHICS_INCLUDE_CFX_GRAPHICS_H_
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