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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.
#ifndef CORE_FXGE_SKIA_FX_SKIA_DEVICE_H_
#define CORE_FXGE_SKIA_FX_SKIA_DEVICE_H_
#if defined(_SKIA_SUPPORT_)
#include "core/fxge/cfx_pathdata.h"
#include "core/fxge/ifx_renderdevicedriver.h"
class SkCanvas;
class SkMatrix;
class SkPaint;
class SkPath;
class SkPictureRecorder;
class SkiaState;
struct FXTEXT_CHARPOS;
struct SkIRect;
class CFX_SkiaDeviceDriver : public IFX_RenderDeviceDriver {
public:
CFX_SkiaDeviceDriver(CFX_DIBitmap* pBitmap,
FX_BOOL bRgbByteOrder,
CFX_DIBitmap* pOriDevice,
FX_BOOL bGroupKnockout);
explicit CFX_SkiaDeviceDriver(SkPictureRecorder* recorder);
CFX_SkiaDeviceDriver(int size_x, int size_y);
~CFX_SkiaDeviceDriver() override;
/** Options */
int GetDeviceCaps(int caps_id) const override;
/** Save and restore all graphic states */
void SaveState() override;
void RestoreState(bool bKeepSaved) override;
/** Set clipping path using filled region */
FX_BOOL SetClip_PathFill(
const CFX_PathData* pPathData, // path info
const CFX_Matrix* pObject2Device, // optional transformation
int fill_mode) override; // fill mode, WINDING or ALTERNATE
/** Set clipping path using stroked region */
FX_BOOL SetClip_PathStroke(
const CFX_PathData* pPathData, // path info
const CFX_Matrix* pObject2Device, // optional transformation
const CFX_GraphStateData*
pGraphState) // graphic state, for pen attributes
override;
/** Draw a path */
FX_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;
FX_BOOL FillRectWithBlend(const FX_RECT* pRect,
uint32_t fill_color,
int blend_type) override;
/** Draw a single pixel (device dependant) line */
FX_BOOL DrawCosmeticLine(FX_FLOAT x1,
FX_FLOAT y1,
FX_FLOAT x2,
FX_FLOAT y2,
uint32_t color,
int blend_type) override;
FX_BOOL GetClipBox(FX_RECT* pRect) override;
/** Load device buffer into a DIB */
FX_BOOL GetDIBits(CFX_DIBitmap* pBitmap, int left, int top) override;
CFX_DIBitmap* GetBackDrop() override;
FX_BOOL SetDIBits(const CFX_DIBSource* pBitmap,
uint32_t color,
const FX_RECT* pSrcRect,
int dest_left,
int dest_top,
int blend_type) override;
bool SetBitsWithMask(const CFX_DIBSource* pBitmap,
const CFX_DIBSource* pMask,
int dest_left,
int dest_top,
int bitmap_alpha,
int blend_type) override;
FX_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;
FX_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;
FX_BOOL ContinueDIBits(void* handle, IFX_Pause* pPause) override;
void CancelDIBits(void* handle) override {}
bool DrawBitsWithMask(const CFX_DIBSource* pBitmap,
const CFX_DIBSource* pMask,
int bitmap_alpha,
const CFX_Matrix* pMatrix,
int blend_type);
FX_BOOL DrawDeviceText(int nChars,
const FXTEXT_CHARPOS* pCharPos,
CFX_Font* pFont,
const CFX_Matrix* pObject2Device,
FX_FLOAT font_size,
uint32_t color) override;
FX_BOOL DrawShading(const CPDF_ShadingPattern* pPattern,
const CFX_Matrix* pMatrix,
const FX_RECT& clip_rect,
int alpha,
FX_BOOL bAlphaMode) override;
virtual uint8_t* GetBuffer() const;
void PaintStroke(SkPaint* spaint,
const CFX_GraphStateData* pGraphState,
const SkMatrix& matrix);
void Clear(uint32_t color);
void Flush();
SkPictureRecorder* GetRecorder() const { return m_pRecorder; }
static void PreMultiply(CFX_DIBitmap* pDIBitmap);
SkCanvas* SkiaCanvas() { return m_pCanvas; }
void DebugVerifyBitmapIsPreMultiplied() const;
void Dump() const;
private:
friend class SkiaState;
CFX_DIBitmap* m_pBitmap;
CFX_DIBitmap* m_pOriDevice;
SkCanvas* m_pCanvas;
SkPictureRecorder* const m_pRecorder;
std::unique_ptr<SkiaState> m_pCache;
FX_BOOL m_bGroupKnockout;
};
#endif // defined(_SKIA_SUPPORT_)
#endif // CORE_FXGE_SKIA_FX_SKIA_DEVICE_H_
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