// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CORE_FXGE_SKIA_FX_SKIA_DEVICE_H_
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#define CORE_FXGE_SKIA_FX_SKIA_DEVICE_H_
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#if defined(_SKIA_SUPPORT_)
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#include "core/fxge/include/ifx_renderdevicedriver.h"
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class SkCanvas;
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class SkMatrix;
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class SkPaint;
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class SkPath;
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class SkPictureRecorder;
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class SkiaState;
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struct SkIRect;
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class CFX_SkiaDeviceDriver : public IFX_RenderDeviceDriver {
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public:
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CFX_SkiaDeviceDriver(CFX_DIBitmap* pBitmap,
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FX_BOOL bRgbByteOrder,
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CFX_DIBitmap* pOriDevice,
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FX_BOOL bGroupKnockout);
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explicit CFX_SkiaDeviceDriver(SkPictureRecorder* recorder);
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CFX_SkiaDeviceDriver(int size_x, int size_y);
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~CFX_SkiaDeviceDriver() override;
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/** Options */
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int GetDeviceCaps(int caps_id) const override;
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/** Save and restore all graphic states */
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void SaveState() override;
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void RestoreState(bool bKeepSaved) override;
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/** Set clipping path using filled region */
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FX_BOOL SetClip_PathFill(
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const CFX_PathData* pPathData, // path info
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const CFX_Matrix* pObject2Device, // optional transformation
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int fill_mode) override; // fill mode, WINDING or ALTERNATE
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/** Set clipping path using stroked region */
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FX_BOOL SetClip_PathStroke(
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const CFX_PathData* pPathData, // path info
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const CFX_Matrix* pObject2Device, // optional transformation
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const CFX_GraphStateData*
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pGraphState) // graphic state, for pen attributes
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override;
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/** Draw a path */
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FX_BOOL DrawPath(const CFX_PathData* pPathData,
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const CFX_Matrix* pObject2Device,
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const CFX_GraphStateData* pGraphState,
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uint32_t fill_color,
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uint32_t stroke_color,
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int fill_mode,
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int blend_type) override;
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FX_BOOL FillRectWithBlend(const FX_RECT* pRect,
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uint32_t fill_color,
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int blend_type) override;
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/** Draw a single pixel (device dependant) line */
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FX_BOOL DrawCosmeticLine(FX_FLOAT x1,
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FX_FLOAT y1,
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FX_FLOAT x2,
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FX_FLOAT y2,
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uint32_t color,
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int blend_type) override;
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FX_BOOL GetClipBox(FX_RECT* pRect) override;
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/** Load device buffer into a DIB */
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FX_BOOL GetDIBits(CFX_DIBitmap* pBitmap, int left, int top) override;
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CFX_DIBitmap* GetBackDrop() override;
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FX_BOOL SetDIBits(const CFX_DIBSource* pBitmap,
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uint32_t color,
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const FX_RECT* pSrcRect,
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int dest_left,
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int dest_top,
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int blend_type) override;
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FX_BOOL StretchDIBits(const CFX_DIBSource* pBitmap,
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uint32_t color,
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int dest_left,
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int dest_top,
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int dest_width,
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int dest_height,
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const FX_RECT* pClipRect,
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uint32_t flags,
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int blend_type) override;
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FX_BOOL StartDIBits(const CFX_DIBSource* pBitmap,
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int bitmap_alpha,
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uint32_t color,
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const CFX_Matrix* pMatrix,
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uint32_t flags,
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void*& handle,
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int blend_type) override;
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FX_BOOL ContinueDIBits(void* handle, IFX_Pause* pPause) override;
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void CancelDIBits(void* handle) override {}
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FX_BOOL DrawDeviceText(int nChars,
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const FXTEXT_CHARPOS* pCharPos,
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CFX_Font* pFont,
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CFX_FontCache* pCache,
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const CFX_Matrix* pObject2Device,
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FX_FLOAT font_size,
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uint32_t color) override;
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FX_BOOL DrawShading(const CPDF_ShadingPattern* pPattern,
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const CFX_Matrix* pMatrix,
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const FX_RECT& clip_rect,
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int alpha,
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FX_BOOL bAlphaMode) override;
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virtual uint8_t* GetBuffer() const;
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void PaintStroke(SkPaint* spaint,
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const CFX_GraphStateData* pGraphState,
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const SkMatrix& matrix);
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void Flush();
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SkPictureRecorder* GetRecorder() const { return m_pRecorder; }
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static void PreMultiply(CFX_DIBitmap* pDIBitmap);
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SkCanvas* SkiaCanvas() { return m_pCanvas; }
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void DebugVerifyBitmapIsPreMultiplied() const;
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void Dump() const;
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private:
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friend class SkiaState;
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CFX_DIBitmap* m_pBitmap;
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CFX_DIBitmap* m_pOriDevice;
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SkCanvas* m_pCanvas;
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SkPictureRecorder* const m_pRecorder;
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std::unique_ptr<SkiaState> m_pCache;
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FX_BOOL m_bGroupKnockout;
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};
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#endif // defined(_SKIA_SUPPORT_)
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#endif // CORE_FXGE_SKIA_FX_SKIA_DEVICE_H_
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