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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 "xfa/fxgraphics/cxfa_gecolor.h"
class CXFA_GEPath;
using FX_FillMode = int32_t;
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;
const CFX_Matrix* GetMatrix() const;
CFX_RenderDevice* GetRenderDevice();
void SetLineCap(CFX_GraphStateData::LineCap lineCap);
void SetLineDash(float dashPhase, const float* dashArray, size_t dashCount);
void SetSolidLineDash();
void SetLineWidth(float lineWidth);
void EnableActOnDash();
void SetStrokeColor(const CXFA_GEColor& color);
void SetFillColor(const CXFA_GEColor& color);
void SetClipRect(const CFX_RectF& rect);
void StrokePath(CXFA_GEPath* path, const CFX_Matrix* matrix);
void FillPath(CXFA_GEPath* path,
FX_FillMode fillMode,
const CFX_Matrix* matrix);
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_GEColor strokeColor;
CXFA_GEColor fillColor;
} m_info;
void RenderDeviceStrokePath(const CXFA_GEPath* path,
const CFX_Matrix* matrix);
void RenderDeviceFillPath(const CXFA_GEPath* path,
FX_FillMode fillMode,
const CFX_Matrix* matrix);
void FillPathWithPattern(const CXFA_GEPath* path,
FX_FillMode fillMode,
const CFX_Matrix& matrix);
void FillPathWithShading(const CXFA_GEPath* path,
FX_FillMode fillMode,
const CFX_Matrix& matrix);
void SetDIBitsWithMatrix(const RetainPtr<CFX_DIBSource>& source,
const 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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