diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_render/render_int.h')
| -rw-r--r-- | core/src/fpdfapi/fpdf_render/render_int.h | 462 |
1 files changed, 462 insertions, 0 deletions
diff --git a/core/src/fpdfapi/fpdf_render/render_int.h b/core/src/fpdfapi/fpdf_render/render_int.h new file mode 100644 index 0000000000..3acde0ec43 --- /dev/null +++ b/core/src/fpdfapi/fpdf_render/render_int.h @@ -0,0 +1,462 @@ +// 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 _FPDF_PAGEOBJ_H_
+#include "../../../include/fpdfapi/fpdf_pageobj.h"
+#endif
+class CPDF_QuickStretcher;
+#define TYPE3_MAX_BLUES 16
+class CPDF_Type3Glyphs : public CFX_Object
+{
+public:
+ CPDF_Type3Glyphs()
+ {
+ m_GlyphMap.InitHashTable(253);
+ m_TopBlueCount = m_BottomBlueCount = 0;
+ }
+ ~CPDF_Type3Glyphs();
+ CFX_MapPtrToPtr m_GlyphMap;
+ void AdjustBlue(FX_FLOAT top, FX_FLOAT bottom, int& top_line, int& bottom_line);
+
+ int m_TopBlue[TYPE3_MAX_BLUES], m_BottomBlue[TYPE3_MAX_BLUES];
+ int m_TopBlueCount, m_BottomBlueCount;
+};
+class CFX_GlyphBitmap;
+class CPDF_Type3Cache : public CFX_Object
+{
+public:
+ CPDF_Type3Cache(CPDF_Type3Font* pFont)
+ {
+ m_pFont = pFont;
+ }
+ ~CPDF_Type3Cache();
+ CFX_GlyphBitmap* LoadGlyph(FX_DWORD charcode, const CFX_AffineMatrix* pMatrix, FX_FLOAT retinaScaleX = 1.0f, FX_FLOAT retinaScaleY = 1.0f);
+protected:
+ CFX_GlyphBitmap* RenderGlyph(CPDF_Type3Glyphs* pSize, FX_DWORD charcode, const CFX_AffineMatrix* pMatrix, FX_FLOAT retinaScaleX = 1.0f, FX_FLOAT retinaScaleY = 1.0f);
+ CPDF_Type3Font* m_pFont;
+ CFX_MapByteStringToPtr m_SizeMap;
+};
+class CPDF_TransferFunc : public CFX_Object
+{
+public:
+ CPDF_Document* m_pPDFDoc;
+ FX_BYTE m_Samples[256 * 3];
+ FX_BOOL m_bIdentity;
+
+ CFX_DIBSource* TranslateImage(const CFX_DIBSource* pSrc, FX_BOOL bAutoDropSrc);
+ FX_COLORREF TranslateColor(FX_COLORREF src);
+};
+typedef CFX_MapPtrTemplate<CPDF_Font*, CPDF_CountedObject<CPDF_Type3Cache*>*> CPDF_Type3CacheMap;
+typedef CFX_MapPtrTemplate<CPDF_Object*, CPDF_CountedObject<CPDF_TransferFunc*>*> CPDF_TransferFuncMap;
+class CPDF_DocRenderData : public CFX_Object
+{
+public:
+ CPDF_DocRenderData(CPDF_Document* pPDFDoc = NULL);
+ ~CPDF_DocRenderData();
+ FX_BOOL Initialize();
+ CPDF_Type3Cache* GetCachedType3(CPDF_Type3Font* pFont);
+ CPDF_TransferFunc* GetTransferFunc(CPDF_Object* pObj);
+ CFX_FontCache* GetFontCache()
+ {
+ return m_pFontCache;
+ }
+ void Clear(FX_BOOL bRelease = FALSE);
+ void ReleaseCachedType3(CPDF_Type3Font* pFont);
+ void ReleaseTransferFunc(CPDF_Object* pObj);
+private:
+ CPDF_Document* m_pPDFDoc;
+ CFX_FontCache* m_pFontCache;
+ CPDF_Type3CacheMap m_Type3FaceMap;
+ CPDF_TransferFuncMap m_TransferFuncMap;
+};
+struct _PDF_RenderItem {
+public:
+ CPDF_PageObjects* m_pObjectList;
+ CFX_AffineMatrix m_Matrix;
+};
+typedef CFX_ArrayTemplate<_PDF_RenderItem> CPDF_RenderLayer;
+class IPDF_ObjectRenderer : public CFX_Object
+{
+public:
+ static IPDF_ObjectRenderer* Create(int type);
+ virtual ~IPDF_ObjectRenderer() {}
+ virtual FX_BOOL Start(CPDF_RenderStatus* pRenderStatus, const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bStdCS, int blendType = FXDIB_BLEND_NORMAL) = 0;
+ virtual FX_BOOL Continue(IFX_Pause* pPause) = 0;
+ FX_BOOL m_Result;
+};
+class CPDF_RenderStatus : public CFX_Object
+{
+public:
+ CPDF_RenderStatus();
+ ~CPDF_RenderStatus();
+ FX_BOOL Initialize(int level, class CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice, const CFX_AffineMatrix* pDeviceMatrix,
+ const CPDF_PageObject* pStopObj, const CPDF_RenderStatus* pParentStatus,
+ const CPDF_GraphicStates* pInitialStates, const CPDF_RenderOptions* pOptions,
+ int transparency, FX_BOOL bDropObjects, CPDF_Dictionary* pFormResource = NULL,
+ FX_BOOL bStdCS = FALSE, CPDF_Type3Char* pType3Char = NULL, FX_ARGB fill_color = 0,
+ FX_DWORD GroupFamily = 0, FX_BOOL bLoadMask = FALSE);
+ void RenderObjectList(const CPDF_PageObjects* pObjs, const CFX_AffineMatrix* pObj2Device);
+ void RenderSingleObject(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device);
+ FX_BOOL ContinueSingleObject(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device, IFX_Pause* pPause);
+ CPDF_RenderOptions m_Options;
+ CPDF_Dictionary* m_pFormResource;
+ CPDF_Dictionary* m_pPageResource;
+ CFX_PtrArray m_Type3FontCache;
+ CPDF_RenderContext* GetContext()
+ {
+ return m_pContext;
+ }
+protected:
+ friend class CPDF_ImageRenderer;
+ friend class CPDF_RenderContext;
+ void ProcessClipPath(CPDF_ClipPath ClipPath, const CFX_AffineMatrix* pObj2Device);
+ void DrawClipPath(CPDF_ClipPath ClipPath, const CFX_AffineMatrix* pObj2Device);
+ FX_BOOL ProcessTransparency(const CPDF_PageObject* PageObj, const CFX_AffineMatrix* pObj2Device);
+ void ProcessObjectNoClip(const CPDF_PageObject* PageObj, const CFX_AffineMatrix* pObj2Device);
+ void DrawObjWithBackground(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device);
+ FX_BOOL DrawObjWithBlend(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device);
+ FX_BOOL ProcessPath(CPDF_PathObject* pPathObj, const CFX_AffineMatrix* pObj2Device);
+ void ProcessPathPattern(CPDF_PathObject* pPathObj, const CFX_AffineMatrix* pObj2Device, int& filltype, FX_BOOL& bStroke);
+ void DrawPathWithPattern(CPDF_PathObject* pPathObj, const CFX_AffineMatrix* pObj2Device, CPDF_Color* pColor, FX_BOOL bStroke);
+ void DrawTilingPattern(CPDF_TilingPattern* pPattern, CPDF_PageObject* pPageObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bStroke);
+ void DrawShadingPattern(CPDF_ShadingPattern* pPattern, CPDF_PageObject* pPageObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bStroke);
+ FX_BOOL SelectClipPath(CPDF_PathObject* pPathObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bStroke);
+ FX_BOOL ProcessImage(CPDF_ImageObject* pImageObj, const CFX_AffineMatrix* pObj2Device);
+ FX_BOOL OutputBitmapAlpha(CPDF_ImageObject* pImageObj, const CFX_AffineMatrix* pImage2Device);
+ FX_BOOL OutputImage(CPDF_ImageObject* pImageObj, const CFX_AffineMatrix* pImage2Device);
+ FX_BOOL OutputDIBSource(const CFX_DIBSource* pOutputBitmap, FX_ARGB fill_argb, int bitmap_alpha,
+ const CFX_AffineMatrix* pImage2Device, CPDF_ImageCache* pImageCache, FX_DWORD flags);
+ void CompositeDIBitmap(CFX_DIBitmap* pDIBitmap, int left, int top, FX_ARGB mask_argb,
+ int bitmap_alpha, int blend_mode, int bIsolated);
+ FX_BOOL ProcessInlines(CPDF_InlineImages* pInlines, const CFX_AffineMatrix* pObj2Device);
+ FX_BOOL ProcessShading(CPDF_ShadingObject* pShadingObj, const CFX_AffineMatrix* pObj2Device);
+ void DrawShading(CPDF_ShadingPattern* pPattern, CFX_AffineMatrix* pMatrix, FX_RECT& clip_rect,
+ int alpha, FX_BOOL bAlphaMode);
+ FX_BOOL ProcessType3Text(const CPDF_TextObject* textobj, const CFX_AffineMatrix* pObj2Device);
+ FX_BOOL ProcessText(const CPDF_TextObject* textobj, const CFX_AffineMatrix* pObj2Device, CFX_PathData* pClippingPath);
+ void DrawTextPathWithPattern(const CPDF_TextObject* textobj, const CFX_AffineMatrix* pObj2Device,
+ CPDF_Font* pFont, FX_FLOAT font_size,
+ const CFX_AffineMatrix* pTextMatrix, FX_BOOL bFill, FX_BOOL bStroke);
+ FX_BOOL ProcessForm(CPDF_FormObject* pFormObj, const CFX_AffineMatrix* pObj2Device);
+ CFX_DIBitmap* GetBackdrop(const CPDF_PageObject* pObj, const FX_RECT& rect, int& left, int& top,
+ FX_BOOL bBackAlphaRequired);
+ CFX_DIBitmap* LoadSMask(CPDF_Dictionary* pSMaskDict, FX_RECT* pClipRect, const CFX_AffineMatrix* pMatrix);
+ void Init(CPDF_RenderContext* pParent);
+ static class CPDF_Type3Cache* GetCachedType3(CPDF_Type3Font* pFont);
+ static CPDF_GraphicStates* CloneObjStates(const CPDF_GraphicStates* pPathObj, FX_BOOL bStroke);
+ CPDF_TransferFunc* GetTransferFunc(CPDF_Object* pObject) const;
+ FX_ARGB GetFillArgb(const CPDF_PageObject* pObj, FX_BOOL bType3 = FALSE) const;
+ FX_ARGB GetStrokeArgb(const CPDF_PageObject* pObj) const;
+ CPDF_RenderContext* m_pContext;
+ FX_BOOL m_bStopped;
+ void DitherObjectArea(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device);
+ FX_BOOL GetObjectClippedRect(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bLogical, FX_RECT &rect) const;
+ void GetScaledMatrix(CFX_Matrix &matrix) const;
+protected:
+ int m_Level;
+ CFX_RenderDevice* m_pDevice;
+ CFX_AffineMatrix m_DeviceMatrix;
+ CPDF_ClipPath m_LastClipPath;
+ const CPDF_PageObject* m_pCurObj;
+ const CPDF_PageObject* m_pStopObj;
+ CPDF_GraphicStates m_InitialStates;
+ int m_HalftoneLimit;
+ IPDF_ObjectRenderer* m_pObjectRenderer;
+ FX_BOOL m_bPrint;
+ int m_Transparency;
+ int m_DitherBits;
+ FX_BOOL m_bDropObjects;
+ FX_BOOL m_bStdCS;
+ FX_DWORD m_GroupFamily;
+ FX_BOOL m_bLoadMask;
+ CPDF_Type3Char * m_pType3Char;
+ FX_ARGB m_T3FillColor;
+ int m_curBlend;
+};
+class CPDF_ImageLoader : public CFX_Object
+{
+public:
+ CPDF_ImageLoader()
+ {
+ m_pBitmap = NULL;
+ m_pMask = NULL;
+ m_MatteColor = 0;
+ m_bCached = FALSE;
+ m_nDownsampleWidth = 0;
+ m_nDownsampleHeight = 0;
+ }
+
+ FX_BOOL Load(const CPDF_ImageObject* pImage, CPDF_PageRenderCache* pCache, FX_BOOL bStdCS = FALSE, FX_DWORD GroupFamily = 0, FX_BOOL bLoadMask = FALSE, CPDF_RenderStatus* pRenderStatus = NULL);
+
+ FX_BOOL StartLoadImage(const CPDF_ImageObject* pImage, CPDF_PageRenderCache* pCache, FX_LPVOID& LoadHandle, FX_BOOL bStdCS = FALSE, FX_DWORD GroupFamily = 0, FX_BOOL bLoadMask = FALSE, CPDF_RenderStatus* pRenderStatus = NULL, FX_INT32 nDownsampleWidth = 0, FX_INT32 nDownsampleHeight = 0);
+ FX_BOOL Continue(FX_LPVOID LoadHandle, IFX_Pause* pPause);
+ ~CPDF_ImageLoader();
+ CFX_DIBSource* m_pBitmap;
+ CFX_DIBSource* m_pMask;
+ FX_DWORD m_MatteColor;
+ FX_BOOL m_bCached;
+protected:
+ FX_INT32 m_nDownsampleWidth;
+ FX_INT32 m_nDownsampleHeight;
+};
+class CPDF_ProgressiveImageLoaderHandle : public CFX_Object
+{
+public:
+ CPDF_ProgressiveImageLoaderHandle();
+ ~CPDF_ProgressiveImageLoaderHandle();
+
+ FX_BOOL Start(CPDF_ImageLoader* pImageLoader, const CPDF_ImageObject* pImage, CPDF_PageRenderCache* pCache, FX_BOOL bStdCS = FALSE, FX_DWORD GroupFamily = 0, FX_BOOL bLoadMask = FALSE, CPDF_RenderStatus* pRenderStatus = NULL, FX_INT32 nDownsampleWidth = 0, FX_INT32 nDownsampleHeight = 0);
+ FX_BOOL Continue(IFX_Pause* pPause);
+protected:
+ CPDF_ImageLoader* m_pImageLoader;
+ CPDF_PageRenderCache* m_pCache;
+ CPDF_ImageObject* m_pImage;
+ FX_INT32 m_nDownsampleWidth;
+ FX_INT32 m_nDownsampleHeight;
+};
+class CFX_ImageTransformer;
+class CPDF_ImageRenderer : public IPDF_ObjectRenderer
+{
+public:
+ CPDF_ImageRenderer();
+ ~CPDF_ImageRenderer();
+ FX_BOOL Start(CPDF_RenderStatus* pStatus, const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bStdCS, int blendType = FXDIB_BLEND_NORMAL);
+ FX_BOOL Start(CPDF_RenderStatus* pStatus, const CFX_DIBSource* pDIBSource, FX_ARGB bitmap_argb,
+ int bitmap_alpha, const CFX_AffineMatrix* pImage2Device, FX_DWORD flags, FX_BOOL bStdCS, int blendType = FXDIB_BLEND_NORMAL);
+ FX_BOOL Continue(IFX_Pause* pPause);
+protected:
+ CPDF_RenderStatus* m_pRenderStatus;
+ CPDF_ImageObject* m_pImageObject;
+ int m_Status;
+ const CFX_AffineMatrix* m_pObj2Device;
+ CFX_AffineMatrix m_ImageMatrix;
+ CPDF_ImageLoader m_Loader;
+ const CFX_DIBSource* m_pDIBSource;
+ CFX_DIBitmap* m_pClone;
+ int m_BitmapAlpha;
+ FX_BOOL m_bPatternColor;
+ CPDF_Pattern* m_pPattern;
+ FX_ARGB m_FillArgb;
+ FX_DWORD m_Flags;
+ CPDF_QuickStretcher* m_pQuickStretcher;
+ CFX_ImageTransformer* m_pTransformer;
+ CPDF_ImageRenderer* m_pRenderer2;
+ FX_LPVOID m_DeviceHandle;
+ FX_LPVOID m_LoadHandle;
+ FX_BOOL m_bStdCS;
+ int m_BlendType;
+ FX_BOOL StartBitmapAlpha();
+ FX_BOOL StartDIBSource();
+ FX_BOOL StartRenderDIBSource();
+ FX_BOOL StartLoadDIBSource();
+ FX_BOOL DrawMaskedImage();
+ FX_BOOL DrawPatternImage(const CFX_Matrix* pObj2Device);
+};
+class CPDF_ScaledRenderBuffer : public CFX_Object
+{
+public:
+ CPDF_ScaledRenderBuffer();
+ ~CPDF_ScaledRenderBuffer();
+ FX_BOOL Initialize(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice, FX_RECT* pRect,
+ const CPDF_PageObject* pObj, const CPDF_RenderOptions *pOptions = NULL, int max_dpi = 0);
+ CFX_RenderDevice* GetDevice()
+ {
+ return m_pBitmapDevice ? m_pBitmapDevice : m_pDevice;
+ }
+ CFX_AffineMatrix* GetMatrix()
+ {
+ return &m_Matrix;
+ }
+ void OutputToDevice();
+private:
+ CFX_RenderDevice* m_pDevice;
+ CPDF_RenderContext* m_pContext;
+ FX_RECT m_Rect;
+ const CPDF_PageObject* m_pObject;
+ CFX_FxgeDevice* m_pBitmapDevice;
+ CFX_AffineMatrix m_Matrix;
+};
+class ICodec_ScanlineDecoder;
+class CPDF_QuickStretcher : public CFX_Object
+{
+public:
+ CPDF_QuickStretcher();
+ ~CPDF_QuickStretcher();
+ FX_BOOL Start(CPDF_ImageObject* pImageObj, CFX_AffineMatrix* pImage2Device, const FX_RECT* pClipBox);
+ FX_BOOL Continue(IFX_Pause* pPause);
+ CFX_DIBitmap* m_pBitmap;
+ int m_ResultLeft, m_ResultTop, m_ClipLeft, m_ClipTop;
+ int m_DestWidth, m_DestHeight, m_ResultWidth, m_ResultHeight;
+ int m_Bpp, m_SrcWidth, m_SrcHeight;
+ FX_BOOL m_bFlipX, m_bFlipY;
+ CPDF_ColorSpace* m_pCS;
+ ICodec_ScanlineDecoder* m_pDecoder;
+ CPDF_StreamAcc m_StreamAcc;
+ int m_LineIndex;
+};
+class CPDF_DeviceBuffer : public CFX_Object
+{
+public:
+ CPDF_DeviceBuffer();
+ ~CPDF_DeviceBuffer();
+ FX_BOOL Initialize(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice, FX_RECT* pRect,
+ const CPDF_PageObject* pObj, int max_dpi = 0);
+ void OutputToDevice();
+ CFX_DIBitmap* GetBitmap() const
+ {
+ return m_pBitmap;
+ }
+ const CFX_AffineMatrix* GetMatrix() const
+ {
+ return &m_Matrix;
+ }
+private:
+ CFX_RenderDevice* m_pDevice;
+ CPDF_RenderContext* m_pContext;
+ FX_RECT m_Rect;
+ const CPDF_PageObject* m_pObject;
+ CFX_DIBitmap* m_pBitmap;
+ CFX_AffineMatrix m_Matrix;
+};
+class CPDF_ImageCache : public CFX_Object
+{
+public:
+ CPDF_ImageCache(CPDF_Document* pDoc, CPDF_Stream* pStream);
+ ~CPDF_ImageCache();
+ void ClearImageData();
+ void Reset(const CFX_DIBitmap* pBitmap);
+ FX_BOOL GetCachedBitmap(CFX_DIBSource*& pBitmap, CFX_DIBSource*& pMask, FX_DWORD& MatteColor, CPDF_Dictionary* pPageResources,
+ FX_BOOL bStdCS = FALSE, FX_DWORD GroupFamily = 0, FX_BOOL bLoadMask = FALSE,
+ CPDF_RenderStatus* pRenderStatus = NULL, FX_INT32 downsampleWidth = 0, FX_INT32 downsampleHeight = 0);
+ FX_DWORD EstimateSize() const
+ {
+ return m_dwCacheSize;
+ }
+ FX_DWORD GetTimeCount() const
+ {
+ return m_dwTimeCount;
+ }
+ CPDF_Stream* GetStream() const
+ {
+ return m_pStream;
+ }
+ void SetTimeCount(FX_DWORD dwTimeCount)
+ {
+ m_dwTimeCount = dwTimeCount;
+ }
+ int m_dwTimeCount;
+public:
+ int StartGetCachedBitmap(CPDF_Dictionary* pFormResources, CPDF_Dictionary* pPageResources,
+ FX_BOOL bStdCS = FALSE, FX_DWORD GroupFamily = 0,
+ FX_BOOL bLoadMask = FALSE, CPDF_RenderStatus* pRenderStatus = NULL, FX_INT32 downsampleWidth = 0, FX_INT32 downsampleHeight = 0);
+ int Continue(IFX_Pause* pPause);
+ int ContinueGetCachedBitmap();
+ CFX_DIBSource* DetachBitmap();
+ CFX_DIBSource* DetachMask();
+ CFX_DIBSource* m_pCurBitmap;
+ CFX_DIBSource* m_pCurMask;
+ FX_DWORD m_MatteColor;
+ CPDF_RenderStatus* m_pRenderStatus;
+protected:
+ CPDF_Document* m_pDocument;
+ CPDF_Stream* m_pStream;
+ CFX_DIBSource* m_pCachedBitmap;
+ CFX_DIBSource* m_pCachedMask;
+ FX_DWORD m_dwCacheSize;
+ void CalcSize();
+};
+typedef struct {
+ FX_FLOAT m_DecodeMin;
+ FX_FLOAT m_DecodeStep;
+ int m_ColorKeyMin;
+ int m_ColorKeyMax;
+} DIB_COMP_DATA;
+class CPDF_DIBSource : public CFX_DIBSource
+{
+public:
+ CPDF_DIBSource();
+ virtual ~CPDF_DIBSource();
+ FX_BOOL Load(CPDF_Document* pDoc, const CPDF_Stream* pStream,
+ CPDF_DIBSource** ppMask, FX_DWORD* pMatteColor,
+ CPDF_Dictionary* pFormResources, CPDF_Dictionary* pPageResources,
+ FX_BOOL bStdCS = FALSE, FX_DWORD GroupFamily = 0, FX_BOOL bLoadMask = FALSE);
+ virtual FX_BOOL SkipToScanline(int line, IFX_Pause* pPause) const;
+ virtual FX_LPBYTE GetBuffer() const;
+ virtual FX_LPCBYTE GetScanline(int line) const;
+ virtual void DownSampleScanline(int line, FX_LPBYTE dest_scan, int dest_bpp,
+ int dest_width, FX_BOOL bFlipX, int clip_left, int clip_width) const;
+ virtual void SetDownSampleSize(int dest_width, int dest_height) const;
+ CFX_DIBitmap* GetBitmap() const;
+ void ReleaseBitmap(CFX_DIBitmap*) const;
+ void ClearImageData();
+public:
+ int StartLoadDIBSource(CPDF_Document* pDoc, const CPDF_Stream* pStream, FX_BOOL bHasMask,
+ CPDF_Dictionary* pFormResources, CPDF_Dictionary* pPageResources,
+ FX_BOOL bStdCS = FALSE, FX_DWORD GroupFamily = 0, FX_BOOL bLoadMask = FALSE);
+ int ContinueLoadDIBSource(IFX_Pause* pPause);
+ int StratLoadMask();
+ int StartLoadMaskDIB();
+ int ContinueLoadMaskDIB(IFX_Pause* pPause);
+ int ContinueToLoadMask();
+ CPDF_DIBSource* DetachMask();
+ CPDF_DIBSource* m_pMask;
+ FX_DWORD m_MatteColor;
+ FX_LPVOID m_pJbig2Context;
+ CPDF_StreamAcc* m_pGlobalStream;
+ FX_BOOL m_bStdCS;
+ int m_Status;
+ CPDF_Object* m_pMaskStream;
+ FX_BOOL m_bHasMask;
+protected:
+ FX_BOOL LoadColorInfo(CPDF_Dictionary* pFormResources, CPDF_Dictionary* pPageResources);
+ CPDF_DIBSource* LoadMask(FX_DWORD& MatteColor);
+ CPDF_DIBSource* LoadMaskDIB(CPDF_Stream* pMask);
+ void LoadJpxBitmap();
+ void LoadJbig2Bitmap();
+ void LoadPalette();
+ FX_BOOL CreateDecoder();
+ void TranslateScanline24bpp(FX_LPBYTE dest_scan, FX_LPCBYTE src_scan) const;
+ FX_DWORD GetValidBpp() const;
+
+ CPDF_Document* m_pDocument;
+ const CPDF_Stream* m_pStream;
+ CPDF_StreamAcc* m_pStreamAcc;
+ const CPDF_Dictionary* m_pDict;
+ CPDF_ColorSpace* m_pColorSpace;
+ FX_DWORD m_Family, m_bpc, m_nComponents, m_GroupFamily;
+ FX_BOOL m_bLoadMask;
+ FX_BOOL m_bDefaultDecode, m_bImageMask, m_bColorKey;
+ DIB_COMP_DATA* m_pCompData;
+ FX_LPBYTE m_pLineBuf;
+ FX_LPBYTE m_pMaskedLine;
+ CFX_DIBitmap* m_pCachedBitmap;
+ ICodec_ScanlineDecoder* m_pDecoder;
+};
+#ifdef _FPDFAPI_MINI_
+#define FPDF_HUGE_IMAGE_SIZE 3000000
+#else
+#define FPDF_HUGE_IMAGE_SIZE 60000000
+#endif
+class CPDF_DIBTransferFunc : public CFX_FilteredDIB
+{
+public:
+ CPDF_DIBTransferFunc(const CPDF_TransferFunc* pTransferFunc);
+ virtual FXDIB_Format GetDestFormat();
+ virtual FX_ARGB* GetDestPalette()
+ {
+ return NULL;
+ }
+ virtual void TranslateScanline(FX_LPBYTE dest_buf, FX_LPCBYTE src_buf) const;
+ virtual void TranslateDownSamples(FX_LPBYTE dest_buf, FX_LPCBYTE src_buf, int pixels, int Bpp) const;
+ FX_LPCBYTE m_RampR;
+ FX_LPCBYTE m_RampG;
+ FX_LPCBYTE m_RampB;
+};
+struct _CPDF_UniqueKeyGen {
+ void Generate(int count, ...);
+ FX_CHAR m_Key[128];
+ int m_KeyLen;
+};
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