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Diffstat (limited to 'core/fxge/include/fx_ge.h')
| -rw-r--r-- | core/fxge/include/fx_ge.h | 733 |
1 files changed, 733 insertions, 0 deletions
diff --git a/core/fxge/include/fx_ge.h b/core/fxge/include/fx_ge.h new file mode 100644 index 0000000000..4530677119 --- /dev/null +++ b/core/fxge/include/fx_ge.h @@ -0,0 +1,733 @@ +// 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. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FXGE_INCLUDE_FX_GE_H_ +#define CORE_FXGE_INCLUDE_FX_GE_H_ + +#include "core/fxge/include/fx_dib.h" +#include "core/fxge/include/fx_font.h" + +class CFX_Font; +class CFX_FontMgr; +class CFX_FontCache; +class CFX_FaceCache; +class CPDF_ShadingPattern; +class IFX_RenderDeviceDriver; +class CCodec_ModuleMgr; +class SkPictureRecorder; + +class CFX_GEModule { + public: + static void Create(const char** pUserFontPaths); + + static void Use(CFX_GEModule* pMgr); + + static CFX_GEModule* Get(); + + static void Destroy(); + + public: + CFX_FontCache* GetFontCache(); + CFX_FontMgr* GetFontMgr() { return m_pFontMgr; } + void SetTextGamma(FX_FLOAT gammaValue); + const uint8_t* GetTextGammaTable(); + + void SetCodecModule(CCodec_ModuleMgr* pCodecModule) { + m_pCodecModule = pCodecModule; + } + CCodec_ModuleMgr* GetCodecModule() { return m_pCodecModule; } + FXFT_Library m_FTLibrary; + void* GetPlatformData() { return m_pPlatformData; } + + protected: + explicit CFX_GEModule(const char** pUserFontPaths); + + ~CFX_GEModule(); + void InitPlatform(); + void DestroyPlatform(); + + private: + uint8_t m_GammaValue[256]; + CFX_FontCache* m_pFontCache; + CFX_FontMgr* m_pFontMgr; + CCodec_ModuleMgr* m_pCodecModule; + void* m_pPlatformData; + const char** m_pUserFontPaths; +}; +typedef struct { + FX_FLOAT m_PointX; + + FX_FLOAT m_PointY; + + int m_Flag; +} FX_PATHPOINT; +#define FXPT_CLOSEFIGURE 0x01 +#define FXPT_LINETO 0x02 +#define FXPT_BEZIERTO 0x04 +#define FXPT_MOVETO 0x06 +#define FXPT_TYPE 0x06 +#define FXFILL_ALTERNATE 1 +#define FXFILL_WINDING 2 +class CFX_ClipRgn { + public: + CFX_ClipRgn(int device_width, int device_height); + + CFX_ClipRgn(const FX_RECT& rect); + + CFX_ClipRgn(const CFX_ClipRgn& src); + + ~CFX_ClipRgn(); + + typedef enum { RectI, MaskF } ClipType; + + void Reset(const FX_RECT& rect); + + ClipType GetType() const { return m_Type; } + + const FX_RECT& GetBox() const { return m_Box; } + + CFX_DIBitmapRef GetMask() const { return m_Mask; } + + void IntersectRect(const FX_RECT& rect); + + void IntersectMaskF(int left, int top, CFX_DIBitmapRef Mask); + + protected: + ClipType m_Type; + + FX_RECT m_Box; + + CFX_DIBitmapRef m_Mask; + + void IntersectMaskRect(FX_RECT rect, FX_RECT mask_box, CFX_DIBitmapRef Mask); +}; +#define FX_GAMMA(value) (value) +#define FX_GAMMA_INVERSE(value) (value) +inline FX_ARGB ArgbGamma(FX_ARGB argb) { + return argb; +} +inline FX_ARGB ArgbGammaInverse(FX_ARGB argb) { + return argb; +} +class CFX_PathData { + public: + CFX_PathData(); + + CFX_PathData(const CFX_PathData& src); + + ~CFX_PathData(); + + int GetPointCount() const { return m_PointCount; } + + int GetFlag(int index) const { return m_pPoints[index].m_Flag; } + + FX_FLOAT GetPointX(int index) const { return m_pPoints[index].m_PointX; } + + FX_FLOAT GetPointY(int index) const { return m_pPoints[index].m_PointY; } + + FX_PATHPOINT* GetPoints() const { return m_pPoints; } + + void SetPointCount(int nPoints); + void AllocPointCount(int nPoints); + void AddPointCount(int addPoints); + + CFX_FloatRect GetBoundingBox() const; + + CFX_FloatRect GetBoundingBox(FX_FLOAT line_width, FX_FLOAT miter_limit) const; + + void Transform(const CFX_Matrix* pMatrix); + + FX_BOOL IsRect() const; + + FX_BOOL GetZeroAreaPath(CFX_PathData& NewPath, + CFX_Matrix* pMatrix, + FX_BOOL& bThin, + FX_BOOL bAdjust) const; + + FX_BOOL IsRect(const CFX_Matrix* pMatrix, CFX_FloatRect* rect) const; + + void Append(const CFX_PathData* pSrc, const CFX_Matrix* pMatrix); + void AppendRect(FX_FLOAT left, FX_FLOAT bottom, FX_FLOAT right, FX_FLOAT top); + + void SetPoint(int index, FX_FLOAT x, FX_FLOAT y, int flag); + + void TrimPoints(int nPoints); + + void Copy(const CFX_PathData& src); + + protected: + friend class CPDF_Path; + + int m_PointCount; + + FX_PATHPOINT* m_pPoints; + + int m_AllocCount; +}; +class CFX_GraphStateData { + public: + CFX_GraphStateData(); + + CFX_GraphStateData(const CFX_GraphStateData& src); + + ~CFX_GraphStateData(); + + void Copy(const CFX_GraphStateData& src); + + void SetDashCount(int count); + + typedef enum { LineCapButt = 0, LineCapRound = 1, LineCapSquare = 2 } LineCap; + LineCap m_LineCap; + int m_DashCount; + FX_FLOAT* m_DashArray; + FX_FLOAT m_DashPhase; + + typedef enum { + LineJoinMiter = 0, + LineJoinRound = 1, + LineJoinBevel = 2, + } LineJoin; + LineJoin m_LineJoin; + FX_FLOAT m_MiterLimit; + FX_FLOAT m_LineWidth; +}; +#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_DITHER_BITS 8 +#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 +typedef struct { + uint32_t m_GlyphIndex; + FX_FLOAT m_OriginX, m_OriginY; + int m_FontCharWidth; + FX_BOOL m_bGlyphAdjust; + FX_FLOAT m_AdjustMatrix[4]; + uint32_t m_ExtGID; + FX_BOOL m_bFontStyle; +} FXTEXT_CHARPOS; + +class CFX_RenderDevice { + public: + CFX_RenderDevice(); + virtual ~CFX_RenderDevice(); + + void SetDeviceDriver(IFX_RenderDeviceDriver* pDriver); + IFX_RenderDeviceDriver* GetDeviceDriver() const { return m_pDeviceDriver; } + + FX_BOOL StartRendering(); + void EndRendering(); + void SaveState(); + void RestoreState(FX_BOOL bKeepSaved = FALSE); + + int GetWidth() const { return m_Width; } + int GetHeight() const { return m_Height; } + int GetDeviceClass() const { return m_DeviceClass; } + int GetBPP() const { return m_bpp; } + 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; } + + FX_BOOL CreateCompatibleBitmap(CFX_DIBitmap* pDIB, + int width, + int height) const; + + const FX_RECT& GetClipBox() const { return m_ClipBox; } + + FX_BOOL SetClip_PathFill(const CFX_PathData* pPathData, + const CFX_Matrix* pObject2Device, + int fill_mode); + + FX_BOOL SetClip_Rect(const FX_RECT& pRect); + FX_BOOL SetClip_PathStroke(const CFX_PathData* pPathData, + const CFX_Matrix* pObject2Device, + const CFX_GraphStateData* pGraphState); + + 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 alpha_flag = 0, + void* pIccTransform = NULL, + int blend_type = FXDIB_BLEND_NORMAL); + + FX_BOOL SetPixel(int x, + int y, + uint32_t color, + int alpha_flag = 0, + void* pIccTransform = NULL); + + FX_BOOL FillRect(const FX_RECT* pRect, + uint32_t color, + int alpha_flag = 0, + void* pIccTransform = NULL, + int blend_type = FXDIB_BLEND_NORMAL); + + FX_BOOL DrawCosmeticLine(FX_FLOAT x1, + FX_FLOAT y1, + FX_FLOAT x2, + FX_FLOAT y2, + uint32_t color, + int fill_mode = 0, + int alpha_flag = 0, + void* pIccTransform = NULL, + int blend_type = FXDIB_BLEND_NORMAL); + + FX_BOOL GetDIBits(CFX_DIBitmap* pBitmap, + int left, + int top, + void* pIccTransform = NULL); + + CFX_DIBitmap* GetBackDrop(); + + FX_BOOL SetDIBits(const CFX_DIBSource* pBitmap, + int left, + int top, + int blend_type = FXDIB_BLEND_NORMAL, + void* pIccTransform = NULL); + + FX_BOOL StretchDIBits(const CFX_DIBSource* pBitmap, + int left, + int top, + int dest_width, + int dest_height, + uint32_t flags = 0, + void* pIccTransform = NULL, + int blend_type = FXDIB_BLEND_NORMAL); + + FX_BOOL SetBitMask(const CFX_DIBSource* pBitmap, + int left, + int top, + uint32_t color, + int alpha_flag = 0, + void* pIccTransform = NULL); + + FX_BOOL StretchBitMask(const CFX_DIBSource* pBitmap, + int left, + int top, + int dest_width, + int dest_height, + uint32_t color, + uint32_t flags = 0, + int alpha_flag = 0, + void* pIccTransform = NULL); + + FX_BOOL StartDIBits(const CFX_DIBSource* pBitmap, + int bitmap_alpha, + uint32_t color, + const CFX_Matrix* pMatrix, + uint32_t flags, + void*& handle, + int alpha_flag = 0, + void* pIccTransform = NULL, + int blend_type = FXDIB_BLEND_NORMAL); + + FX_BOOL ContinueDIBits(void* handle, IFX_Pause* pPause); + + void CancelDIBits(void* handle); + + FX_BOOL DrawNormalText(int nChars, + const FXTEXT_CHARPOS* pCharPos, + CFX_Font* pFont, + CFX_FontCache* pCache, + FX_FLOAT font_size, + const CFX_Matrix* pText2Device, + uint32_t fill_color, + uint32_t text_flags, + int alpha_flag = 0, + void* pIccTransform = NULL); + + FX_BOOL DrawTextPath(int nChars, + const FXTEXT_CHARPOS* pCharPos, + CFX_Font* pFont, + CFX_FontCache* pCache, + 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 = 0, + int alpha_flag = 0, + void* pIccTransform = NULL, + int blend_type = FXDIB_BLEND_NORMAL); + virtual void Begin() {} + virtual void End() {} + + private: + void InitDeviceInfo(); + void UpdateClipBox(); + FX_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 alpha_flag, + void* pIccTransform, + 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; + IFX_RenderDeviceDriver* m_pDeviceDriver; +}; + +class CFX_FxgeDevice : public CFX_RenderDevice { + public: + CFX_FxgeDevice(); + ~CFX_FxgeDevice() override; + + bool Attach(CFX_DIBitmap* pBitmap, + int dither_bits = 0, + bool bRgbByteOrder = false, + CFX_DIBitmap* pOriDevice = NULL, + bool bGroupKnockout = false); + + bool Create(int width, + int height, + FXDIB_Format format, + int dither_bits = 0, + CFX_DIBitmap* pOriDevice = NULL); + + protected: + bool m_bOwnedBitmap; +}; + +class CFX_SkiaDevice : public CFX_RenderDevice { + public: + CFX_SkiaDevice(); + ~CFX_SkiaDevice() override; + + FX_BOOL Attach(CFX_DIBitmap* pBitmap, + int dither_bits = 0, + FX_BOOL bRgbByteOrder = FALSE, + CFX_DIBitmap* pOriDevice = NULL, + FX_BOOL bGroupKnockout = FALSE); + + FX_BOOL AttachRecorder(SkPictureRecorder* recorder); + + FX_BOOL Create(int width, + int height, + FXDIB_Format format, + int dither_bits = 0, + CFX_DIBitmap* pOriDevice = NULL); + + SkPictureRecorder* CreateRecorder(int size_x, int size_y); + + protected: + FX_BOOL m_bOwnedBitmap; +}; + +class IFX_RenderDeviceDriver { + public: + static IFX_RenderDeviceDriver* CreateFxgeDriver( + CFX_DIBitmap* pBitmap, + FX_BOOL bRgbByteOrder = FALSE, + CFX_DIBitmap* pOriDevice = NULL, + FX_BOOL bGroupKnockout = FALSE); + + virtual ~IFX_RenderDeviceDriver() {} + virtual void Begin() {} + virtual void End() {} + + virtual int GetDeviceCaps(int caps_id) = 0; + + virtual CFX_Matrix GetCTM() const { return CFX_Matrix(); } + + virtual FX_BOOL IsPSPrintDriver() { return FALSE; } + + virtual FX_BOOL StartRendering() { return TRUE; } + + virtual void EndRendering() {} + + virtual void SaveState() = 0; + + virtual void RestoreState(FX_BOOL bKeepSaved = FALSE) = 0; + + virtual FX_BOOL SetClip_PathFill(const CFX_PathData* pPathData, + const CFX_Matrix* pObject2Device, + int fill_mode) = 0; + + virtual FX_BOOL SetClip_PathStroke(const CFX_PathData* pPathData, + const CFX_Matrix* pObject2Device, + const CFX_GraphStateData* pGraphState) { + return FALSE; + } + + virtual 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 alpha_flag = 0, + void* pIccTransform = NULL, + int blend_type = FXDIB_BLEND_NORMAL) = 0; + + virtual FX_BOOL SetPixel(int x, + int y, + uint32_t color, + int alpha_flag = 0, + void* pIccTransform = NULL) { + return FALSE; + } + + virtual FX_BOOL FillRect(const FX_RECT* pRect, + uint32_t fill_color, + int alpha_flag = 0, + void* pIccTransform = NULL, + int blend_type = FXDIB_BLEND_NORMAL) { + return FALSE; + } + + virtual FX_BOOL DrawCosmeticLine(FX_FLOAT x1, + FX_FLOAT y1, + FX_FLOAT x2, + FX_FLOAT y2, + uint32_t color, + int alpha_flag = 0, + void* pIccTransform = NULL, + int blend_type = FXDIB_BLEND_NORMAL) { + return FALSE; + } + + virtual FX_BOOL GetClipBox(FX_RECT* pRect) = 0; + + virtual FX_BOOL GetDIBits(CFX_DIBitmap* pBitmap, + int left, + int top, + void* pIccTransform = NULL, + FX_BOOL bDEdge = FALSE) { + return FALSE; + } + virtual CFX_DIBitmap* GetBackDrop() { return NULL; } + + virtual FX_BOOL SetDIBits(const CFX_DIBSource* pBitmap, + uint32_t color, + const FX_RECT* pSrcRect, + int dest_left, + int dest_top, + int blend_type, + int alpha_flag = 0, + void* pIccTransform = NULL) = 0; + + virtual 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 alpha_flag = 0, + void* pIccTransform = NULL, + int blend_type = FXDIB_BLEND_NORMAL) = 0; + + virtual FX_BOOL StartDIBits(const CFX_DIBSource* pBitmap, + int bitmap_alpha, + uint32_t color, + const CFX_Matrix* pMatrix, + uint32_t flags, + void*& handle, + int alpha_flag = 0, + void* pIccTransform = NULL, + int blend_type = FXDIB_BLEND_NORMAL) = 0; + + virtual FX_BOOL ContinueDIBits(void* handle, IFX_Pause* pPause) { + return FALSE; + } + + virtual void CancelDIBits(void* handle) {} + + virtual FX_BOOL DrawDeviceText(int nChars, + const FXTEXT_CHARPOS* pCharPos, + CFX_Font* pFont, + CFX_FontCache* pCache, + const CFX_Matrix* pObject2Device, + FX_FLOAT font_size, + uint32_t color, + int alpha_flag = 0, + void* pIccTransform = NULL) { + return FALSE; + } + + virtual void* GetPlatformSurface() const { return NULL; } + virtual int GetDriverType() const { return 0; } + virtual void ClearDriver() {} + + virtual FX_BOOL DrawShading(CPDF_ShadingPattern* pPattern, + CFX_Matrix* pMatrix, + int alpha, + FX_BOOL bAlphaMode) { + return false; + } +}; + +class IFX_PSOutput { + public: + virtual void Release() = 0; + virtual void OutputPS(const FX_CHAR* str, int len) = 0; + + protected: + virtual ~IFX_PSOutput() {} +}; + +class CPSFont; +class CFX_PSRenderer { + public: + CFX_PSRenderer(); + + ~CFX_PSRenderer(); + + void Init(IFX_PSOutput* pOutput, + int ps_level, + int width, + int height, + FX_BOOL bCmykOutput); + FX_BOOL StartRendering(); + void EndRendering(); + + void SaveState(); + + void RestoreState(FX_BOOL bKeepSaved = FALSE); + + void SetClip_PathFill(const CFX_PathData* pPathData, + const CFX_Matrix* pObject2Device, + int fill_mode); + + void SetClip_PathStroke(const CFX_PathData* pPathData, + const CFX_Matrix* pObject2Device, + const CFX_GraphStateData* pGraphState); + + FX_RECT GetClipBox() { return m_ClipBox; } + + 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 alpha_flag = 0, + void* pIccTransform = NULL); + + FX_BOOL SetDIBits(const CFX_DIBSource* pBitmap, + uint32_t color, + int dest_left, + int dest_top, + int alpha_flag = 0, + void* pIccTransform = NULL); + + FX_BOOL StretchDIBits(const CFX_DIBSource* pBitmap, + uint32_t color, + int dest_left, + int dest_top, + int dest_width, + int dest_height, + uint32_t flags, + int alpha_flag = 0, + void* pIccTransform = NULL); + + FX_BOOL DrawDIBits(const CFX_DIBSource* pBitmap, + uint32_t color, + const CFX_Matrix* pMatrix, + uint32_t flags, + int alpha_flag = 0, + void* pIccTransform = NULL); + + FX_BOOL DrawText(int nChars, + const FXTEXT_CHARPOS* pCharPos, + CFX_Font* pFont, + CFX_FontCache* pCache, + const CFX_Matrix* pObject2Device, + FX_FLOAT font_size, + uint32_t color, + int alpha_flag = 0, + void* pIccTransform = NULL); + + private: + IFX_PSOutput* m_pOutput; + + int m_PSLevel; + + CFX_GraphStateData m_CurGraphState; + + FX_BOOL m_bGraphStateSet; + + FX_BOOL m_bCmykOutput; + + FX_BOOL m_bColorSet; + + uint32_t m_LastColor; + + FX_RECT m_ClipBox; + + CFX_ArrayTemplate<CPSFont*> m_PSFontList; + + CFX_ArrayTemplate<FX_RECT> m_ClipBoxStack; + FX_BOOL m_bInited; + + void OutputPath(const CFX_PathData* pPathData, + const CFX_Matrix* pObject2Device); + + void SetGraphState(const CFX_GraphStateData* pGraphState); + + void SetColor(uint32_t color, int alpha_flag, void* pIccTransform); + + void FindPSFontGlyph(CFX_FaceCache* pFaceCache, + CFX_Font* pFont, + const FXTEXT_CHARPOS& charpos, + int& ps_fontnum, + int& ps_glyphindex); + + void WritePSBinary(const uint8_t* data, int len); +}; + +#endif // CORE_FXGE_INCLUDE_FX_GE_H_ |