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// 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 CORE_FXGE_AGG_FX_AGG_DRIVER_H_
#define CORE_FXGE_AGG_FX_AGG_DRIVER_H_
#include <memory>
#include <vector>
#include "core/fxge/ifx_renderdevicedriver.h"
#include "third_party/agg23/agg_clip_liang_barsky.h"
#include "third_party/agg23/agg_path_storage.h"
#include "third_party/agg23/agg_rasterizer_scanline_aa.h"
class CFX_ClipRgn;
class CFX_GraphStateData;
class CFX_Matrix;
class CFX_PathData;
class CAgg_PathData {
public:
CAgg_PathData() {}
~CAgg_PathData() {}
void BuildPath(const CFX_PathData* pPathData,
const CFX_Matrix* pObject2Device);
agg::path_storage m_PathData;
};
class CFX_AggDeviceDriver : public IFX_RenderDeviceDriver {
public:
CFX_AggDeviceDriver(CFX_DIBitmap* pBitmap,
bool bRgbByteOrder,
CFX_DIBitmap* pOriDevice,
bool bGroupKnockout);
~CFX_AggDeviceDriver() override;
void InitPlatform();
void DestroyPlatform();
// IFX_RenderDeviceDriver
int GetDeviceCaps(int caps_id) const override;
void SaveState() override;
void RestoreState(bool bKeepSaved) override;
bool SetClip_PathFill(const CFX_PathData* pPathData,
const CFX_Matrix* pObject2Device,
int fill_mode) override;
bool SetClip_PathStroke(const CFX_PathData* pPathData,
const CFX_Matrix* pObject2Device,
const CFX_GraphStateData* pGraphState) override;
bool DrawPath(const CFX_PathData* pPathData,
const CFX_Matrix* pObject2Device,
const CFX_GraphStateData* pGraphState,
uint32_t fill_color,
uint32_t stroke_color,
int fill_mode,
int blend_type) override;
bool SetPixel(int x, int y, uint32_t color) override;
bool FillRectWithBlend(const FX_RECT* pRect,
uint32_t fill_color,
int blend_type) override;
bool GetClipBox(FX_RECT* pRect) override;
bool GetDIBits(CFX_DIBitmap* pBitmap, int left, int top) override;
CFX_DIBitmap* GetBackDrop() override;
bool SetDIBits(const CFX_DIBSource* pBitmap,
uint32_t color,
const FX_RECT* pSrcRect,
int left,
int top,
int blend_type) override;
bool StretchDIBits(const CFX_DIBSource* pBitmap,
uint32_t color,
int dest_left,
int dest_top,
int dest_width,
int dest_height,
const FX_RECT* pClipRect,
uint32_t flags,
int blend_type) override;
bool StartDIBits(const CFX_DIBSource* pBitmap,
int bitmap_alpha,
uint32_t color,
const CFX_Matrix* pMatrix,
uint32_t flags,
void*& handle,
int blend_type) override;
bool ContinueDIBits(void* handle, IFX_Pause* pPause) override;
void CancelDIBits(void* handle) override;
bool DrawDeviceText(int nChars,
const FXTEXT_CHARPOS* pCharPos,
CFX_Font* pFont,
const CFX_Matrix* pObject2Device,
FX_FLOAT font_size,
uint32_t color) override;
int GetDriverType() const override;
bool RenderRasterizer(agg::rasterizer_scanline_aa& rasterizer,
uint32_t color,
bool bFullCover,
bool bGroupKnockout,
int alpha_flag,
void* pIccTransform);
void SetClipMask(agg::rasterizer_scanline_aa& rasterizer);
virtual uint8_t* GetBuffer() const;
private:
CFX_DIBitmap* m_pBitmap;
std::unique_ptr<CFX_ClipRgn> m_pClipRgn;
std::vector<std::unique_ptr<CFX_ClipRgn>> m_StateStack;
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
void* m_pPlatformGraphics;
#endif
int m_FillFlags;
bool m_bRgbByteOrder;
CFX_DIBitmap* m_pOriDevice;
bool m_bGroupKnockout;
};
#endif // CORE_FXGE_AGG_FX_AGG_DRIVER_H_
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