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// 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_CXFA_GRAPHICS_H_
#define XFA_FXGRAPHICS_CXFA_GRAPHICS_H_
#include <memory>
#include <vector>
#include "core/fxcrt/fx_system.h"
#include "core/fxge/cfx_defaultrenderdevice.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/fxgraphics/cxfa_color.h"
class CXFA_Path;
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 class FX_HatchStyle {
Horizontal = 0,
Vertical = 1,
ForwardDiagonal = 2,
BackwardDiagonal = 3,
Cross = 4,
DiagonalCross = 5
};
class CFX_RenderDevice;
class CXFA_Graphics {
public:
explicit CXFA_Graphics(CFX_RenderDevice* renderDevice);
~CXFA_Graphics();
void SaveGraphState();
void RestoreGraphState();
CFX_RectF GetClipRect() const;
CFX_Matrix* GetMatrix();
CFX_RenderDevice* GetRenderDevice();
void SetLineCap(CFX_GraphStateData::LineCap lineCap);
void SetLineDash(float dashPhase, float* dashArray, int32_t dashCount);
void SetLineDash(FX_DashStyle dashStyle);
void SetLineWidth(float lineWidth);
void EnableActOnDash();
void SetStrokeColor(const CXFA_Color& color);
void SetFillColor(const CXFA_Color& color);
void SetClipRect(const CFX_RectF& rect);
void StrokePath(CXFA_Path* path, CFX_Matrix* matrix = nullptr);
void FillPath(CXFA_Path* path,
FX_FillMode fillMode = FXFILL_WINDING,
CFX_Matrix* matrix = nullptr);
void StretchImage(const CFX_RetainPtr<CFX_DIBSource>& source,
const CFX_RectF& rect,
CFX_Matrix* matrix = nullptr);
void ConcatMatrix(const CFX_Matrix* matrix);
protected:
int32_t m_type;
private:
struct TInfo {
TInfo();
explicit TInfo(const TInfo& info);
TInfo& operator=(const TInfo& other);
CFX_GraphStateData graphState;
CFX_Matrix CTM;
bool isActOnDash;
CXFA_Color strokeColor;
CXFA_Color fillColor;
} m_info;
void RenderDeviceSetLineDash(FX_DashStyle dashStyle);
void RenderDeviceStrokePath(CXFA_Path* path, CFX_Matrix* matrix);
void RenderDeviceFillPath(CXFA_Path* path,
FX_FillMode fillMode,
CFX_Matrix* matrix);
void RenderDeviceStretchImage(const CFX_RetainPtr<CFX_DIBSource>& source,
const CFX_RectF& rect,
CFX_Matrix* matrix);
void FillPathWithPattern(CXFA_Path* path,
FX_FillMode fillMode,
CFX_Matrix* matrix);
void FillPathWithShading(CXFA_Path* path,
FX_FillMode fillMode,
CFX_Matrix* matrix);
void SetDIBitsWithMatrix(const CFX_RetainPtr<CFX_DIBSource>& source,
CFX_Matrix* matrix);
CFX_RenderDevice* const m_renderDevice; // Not owned.
std::vector<std::unique_ptr<TInfo>> m_infoStack;
};
#endif // XFA_FXGRAPHICS_CXFA_GRAPHICS_H_
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