blob: 523bb0ca984c34c379d6cacd301d4e1509fefb45 [file] [log] [blame]
// Copyright 2014 The PDFium Authors
// 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 "build/build_config.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxge/cfx_fillrenderoptions.h"
#include "core/fxge/renderdevicedriver_iface.h"
#if BUILDFLAG(IS_APPLE)
#include "core/fxcrt/unowned_ptr_exclusion.h"
#endif
class CFX_ClipRgn;
class CFX_GraphStateData;
class CFX_Matrix;
class CFX_Path;
namespace pdfium {
namespace agg {
class rasterizer_scanline_aa;
} // namespace agg
class CFX_AggDeviceDriver final : public RenderDeviceDriverIface {
public:
CFX_AggDeviceDriver(RetainPtr<CFX_DIBitmap> pBitmap,
bool bRgbByteOrder,
RetainPtr<CFX_DIBitmap> pBackdropBitmap,
bool bGroupKnockout);
~CFX_AggDeviceDriver() override;
void InitPlatform();
void DestroyPlatform();
// RenderDeviceDriverIface:
DeviceType GetDeviceType() const override;
int GetDeviceCaps(int caps_id) const override;
void SaveState() override;
void RestoreState(bool bKeepSaved) override;
bool SetClip_PathFill(const CFX_Path& path,
const CFX_Matrix* pObject2Device,
const CFX_FillRenderOptions& fill_options) override;
bool SetClip_PathStroke(const CFX_Path& path,
const CFX_Matrix* pObject2Device,
const CFX_GraphStateData* pGraphState) override;
bool DrawPath(const CFX_Path& path,
const CFX_Matrix* pObject2Device,
const CFX_GraphStateData* pGraphState,
uint32_t fill_color,
uint32_t stroke_color,
const CFX_FillRenderOptions& fill_options,
BlendMode blend_type) override;
bool FillRectWithBlend(const FX_RECT& rect,
uint32_t fill_color,
BlendMode blend_type) override;
bool GetClipBox(FX_RECT* pRect) override;
bool GetDIBits(const RetainPtr<CFX_DIBitmap>& pBitmap,
int left,
int top) override;
RetainPtr<CFX_DIBitmap> GetBackDrop() override;
bool SetDIBits(const RetainPtr<CFX_DIBBase>& pBitmap,
uint32_t argb,
const FX_RECT& src_rect,
int left,
int top,
BlendMode blend_type) override;
bool StretchDIBits(const RetainPtr<CFX_DIBBase>& pSource,
uint32_t argb,
int dest_left,
int dest_top,
int dest_width,
int dest_height,
const FX_RECT* pClipRect,
const FXDIB_ResampleOptions& options,
BlendMode blend_type) override;
bool StartDIBits(const RetainPtr<CFX_DIBBase>& pSource,
int bitmap_alpha,
uint32_t argb,
const CFX_Matrix& matrix,
const FXDIB_ResampleOptions& options,
std::unique_ptr<CFX_ImageRenderer>* handle,
BlendMode blend_type) override;
bool ContinueDIBits(CFX_ImageRenderer* handle,
PauseIndicatorIface* pPause) override;
bool DrawDeviceText(pdfium::span<const TextCharPos> pCharPos,
CFX_Font* pFont,
const CFX_Matrix& mtObject2Device,
float font_size,
uint32_t color,
const CFX_TextRenderOptions& options) override;
int GetDriverType() const override;
bool MultiplyAlpha(float alpha) override;
bool MultiplyAlpha(const RetainPtr<CFX_DIBBase>& mask) override;
private:
void RenderRasterizer(pdfium::agg::rasterizer_scanline_aa& rasterizer,
uint32_t color,
bool bFullCover,
bool bGroupKnockout);
void SetClipMask(pdfium::agg::rasterizer_scanline_aa& rasterizer);
RetainPtr<CFX_DIBitmap> const m_pBitmap;
std::unique_ptr<CFX_ClipRgn> m_pClipRgn;
std::vector<std::unique_ptr<CFX_ClipRgn>> m_StateStack;
#if BUILDFLAG(IS_APPLE)
UNOWNED_PTR_EXCLUSION void* m_pPlatformGraphics = nullptr;
#endif
CFX_FillRenderOptions m_FillOptions;
const bool m_bRgbByteOrder;
const bool m_bGroupKnockout;
RetainPtr<CFX_DIBitmap> m_pBackdropBitmap;
};
} // namespace pdfium
#endif // CORE_FXGE_AGG_FX_AGG_DRIVER_H_