// 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 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 enum class FXPT_TYPE : uint8_t { LineTo, BezierTo, MoveTo }; 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_