| // 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 CORE_FXGE_CFX_RENDERDEVICE_H_ |
| #define CORE_FXGE_CFX_RENDERDEVICE_H_ |
| |
| #include <memory> |
| |
| #include "core/fxge/cfx_gemodule.h" |
| #include "core/fxge/fx_dib.h" |
| #include "core/fxge/fx_font.h" |
| |
| class CFX_Font; |
| class CFX_GraphStateData; |
| class IFX_RenderDeviceDriver; |
| |
| #define FXDC_DEVICE_CLASS 1 |
| #define FXDC_PIXEL_WIDTH 2 |
| #define FXDC_PIXEL_HEIGHT 3 |
| #define FXDC_BITS_PIXEL 4 |
| #define FXDC_HORZ_SIZE 5 |
| #define FXDC_VERT_SIZE 6 |
| #define FXDC_RENDER_CAPS 7 |
| #define FXDC_DISPLAY 1 |
| #define FXDC_PRINTER 2 |
| |
| #define FXPT_CLOSEFIGURE 0x01 |
| #define FXPT_LINETO 0x02 |
| #define FXPT_BEZIERTO 0x04 |
| #define FXPT_MOVETO 0x06 |
| #define FXPT_TYPE 0x06 |
| |
| #define FXRC_GET_BITS 0x01 |
| #define FXRC_BIT_MASK 0x02 |
| #define FXRC_ALPHA_MASK 0x04 |
| #define FXRC_ALPHA_PATH 0x10 |
| #define FXRC_ALPHA_IMAGE 0x20 |
| #define FXRC_ALPHA_OUTPUT 0x40 |
| #define FXRC_BLEND_MODE 0x80 |
| #define FXRC_SOFT_CLIP 0x100 |
| #define FXRC_CMYK_OUTPUT 0x200 |
| #define FXRC_BITMASK_OUTPUT 0x400 |
| #define FXRC_BYTEMASK_OUTPUT 0x800 |
| #define FXRENDER_IMAGE_LOSSY 0x1000 |
| #define FXRC_FILLSTROKE_PATH 0x2000 |
| #define FXRC_SHADING 0x4000 |
| |
| #define FXFILL_ALTERNATE 1 |
| #define FXFILL_WINDING 2 |
| #define FXFILL_FULLCOVER 4 |
| #define FXFILL_RECT_AA 8 |
| #define FX_FILL_STROKE 16 |
| #define FX_STROKE_ADJUST 32 |
| #define FX_STROKE_TEXT_MODE 64 |
| #define FX_FILL_TEXT_MODE 128 |
| #define FX_ZEROAREA_FILL 256 |
| #define FXFILL_NOPATHSMOOTH 512 |
| |
| #define FXTEXT_CLEARTYPE 0x01 |
| #define FXTEXT_BGR_STRIPE 0x02 |
| #define FXTEXT_PRINTGRAPHICTEXT 0x04 |
| #define FXTEXT_NO_NATIVETEXT 0x08 |
| #define FXTEXT_PRINTIMAGETEXT 0x10 |
| #define FXTEXT_NOSMOOTH 0x20 |
| |
| struct FXTEXT_CHARPOS { |
| FX_FLOAT m_AdjustMatrix[4]; |
| FX_FLOAT m_OriginX; |
| FX_FLOAT m_OriginY; |
| uint32_t m_GlyphIndex; |
| int32_t m_FontCharWidth; |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
| uint32_t m_ExtGID; |
| #endif |
| int32_t m_FallbackFontPosition; |
| bool m_bGlyphAdjust; |
| bool m_bFontStyle; |
| }; |
| |
| class CFX_RenderDevice { |
| public: |
| CFX_RenderDevice(); |
| virtual ~CFX_RenderDevice(); |
| |
| // Take ownership of |pDriver|. |
| void SetDeviceDriver(std::unique_ptr<IFX_RenderDeviceDriver> pDriver); |
| IFX_RenderDeviceDriver* GetDeviceDriver() const { |
| return m_pDeviceDriver.get(); |
| } |
| |
| void SaveState(); |
| void RestoreState(bool bKeepSaved); |
| |
| int GetWidth() const { return m_Width; } |
| int GetHeight() const { return m_Height; } |
| int GetDeviceClass() const { return m_DeviceClass; } |
| int GetRenderCaps() const { return m_RenderCaps; } |
| int GetDeviceCaps(int id) const; |
| CFX_Matrix GetCTM() const; |
| CFX_DIBitmap* GetBitmap() const { return m_pBitmap; } |
| void SetBitmap(CFX_DIBitmap* pBitmap) { m_pBitmap = pBitmap; } |
| bool CreateCompatibleBitmap(CFX_DIBitmap* pDIB, int width, int height) const; |
| const FX_RECT& GetClipBox() const { return m_ClipBox; } |
| bool SetClip_PathFill(const CFX_PathData* pPathData, |
| const CFX_Matrix* pObject2Device, |
| int fill_mode); |
| bool SetClip_Rect(const FX_RECT& pRect); |
| bool SetClip_PathStroke(const CFX_PathData* pPathData, |
| const CFX_Matrix* pObject2Device, |
| const CFX_GraphStateData* pGraphState); |
| 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) { |
| return DrawPathWithBlend(pPathData, pObject2Device, pGraphState, fill_color, |
| stroke_color, fill_mode, FXDIB_BLEND_NORMAL); |
| } |
| bool DrawPathWithBlend(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); |
| bool SetPixel(int x, int y, uint32_t color); |
| bool FillRect(const FX_RECT* pRect, uint32_t color) { |
| return FillRectWithBlend(pRect, color, FXDIB_BLEND_NORMAL); |
| } |
| bool FillRectWithBlend(const FX_RECT* pRect, uint32_t color, int blend_type); |
| bool DrawCosmeticLine(FX_FLOAT x1, |
| FX_FLOAT y1, |
| FX_FLOAT x2, |
| FX_FLOAT y2, |
| uint32_t color, |
| int fill_mode, |
| int blend_type); |
| |
| bool GetDIBits(CFX_DIBitmap* pBitmap, int left, int top); |
| CFX_DIBitmap* GetBackDrop(); |
| bool SetDIBits(const CFX_DIBSource* pBitmap, int left, int top) { |
| return SetDIBitsWithBlend(pBitmap, left, top, FXDIB_BLEND_NORMAL); |
| } |
| bool SetDIBitsWithBlend(const CFX_DIBSource* pBitmap, |
| int left, |
| int top, |
| int blend_type); |
| bool StretchDIBits(const CFX_DIBSource* pBitmap, |
| int left, |
| int top, |
| int dest_width, |
| int dest_height) { |
| return StretchDIBitsWithFlagsAndBlend(pBitmap, left, top, dest_width, |
| dest_height, 0, FXDIB_BLEND_NORMAL); |
| } |
| bool StretchDIBitsWithFlagsAndBlend(const CFX_DIBSource* pBitmap, |
| int left, |
| int top, |
| int dest_width, |
| int dest_height, |
| uint32_t flags, |
| int blend_type); |
| bool SetBitMask(const CFX_DIBSource* pBitmap, |
| int left, |
| int top, |
| uint32_t color); |
| bool StretchBitMask(const CFX_DIBSource* pBitmap, |
| int left, |
| int top, |
| int dest_width, |
| int dest_height, |
| uint32_t color); |
| bool StretchBitMaskWithFlags(const CFX_DIBSource* pBitmap, |
| int left, |
| int top, |
| int dest_width, |
| int dest_height, |
| uint32_t color, |
| uint32_t flags); |
| bool StartDIBits(const CFX_DIBSource* pBitmap, |
| int bitmap_alpha, |
| uint32_t color, |
| const CFX_Matrix* pMatrix, |
| uint32_t flags, |
| void*& handle) { |
| return StartDIBitsWithBlend(pBitmap, bitmap_alpha, color, pMatrix, flags, |
| handle, FXDIB_BLEND_NORMAL); |
| } |
| bool StartDIBitsWithBlend(const CFX_DIBSource* pBitmap, |
| int bitmap_alpha, |
| uint32_t color, |
| const CFX_Matrix* pMatrix, |
| uint32_t flags, |
| void*& handle, |
| int blend_type); |
| bool ContinueDIBits(void* handle, IFX_Pause* pPause); |
| void CancelDIBits(void* handle); |
| |
| bool DrawNormalText(int nChars, |
| const FXTEXT_CHARPOS* pCharPos, |
| CFX_Font* pFont, |
| FX_FLOAT font_size, |
| const CFX_Matrix* pText2Device, |
| uint32_t fill_color, |
| uint32_t text_flags); |
| bool DrawTextPath(int nChars, |
| const FXTEXT_CHARPOS* pCharPos, |
| CFX_Font* pFont, |
| FX_FLOAT font_size, |
| const CFX_Matrix* pText2User, |
| const CFX_Matrix* pUser2Device, |
| const CFX_GraphStateData* pGraphState, |
| uint32_t fill_color, |
| uint32_t stroke_color, |
| CFX_PathData* pClippingPath, |
| int nFlag); |
| |
| #ifdef _SKIA_SUPPORT_ |
| virtual void DebugVerifyBitmapIsPreMultiplied() const; |
| virtual bool SetBitsWithMask(const CFX_DIBSource* pBitmap, |
| const CFX_DIBSource* pMask, |
| int left, |
| int top, |
| int bitmap_alpha, |
| int blend_type); |
| #endif |
| #if defined _SKIA_SUPPORT_ || defined _SKIA_SUPPORT_PATHS_ |
| void Flush(); |
| #endif |
| |
| private: |
| void InitDeviceInfo(); |
| void UpdateClipBox(); |
| bool DrawFillStrokePath(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); |
| |
| CFX_DIBitmap* m_pBitmap; |
| int m_Width; |
| int m_Height; |
| int m_bpp; |
| int m_RenderCaps; |
| int m_DeviceClass; |
| FX_RECT m_ClipBox; |
| std::unique_ptr<IFX_RenderDeviceDriver> m_pDeviceDriver; |
| }; |
| |
| #endif // CORE_FXGE_CFX_RENDERDEVICE_H_ |
