diff options
Diffstat (limited to 'core/fxge/fx_dib.h')
| -rw-r--r-- | core/fxge/fx_dib.h | 314 |
1 files changed, 2 insertions, 312 deletions
diff --git a/core/fxge/fx_dib.h b/core/fxge/fx_dib.h index 2208276fa7..85af766992 100644 --- a/core/fxge/fx_dib.h +++ b/core/fxge/fx_dib.h @@ -13,66 +13,14 @@ #include "core/fxcrt/cfx_retain_ptr.h" #include "core/fxcrt/fx_basic.h" #include "core/fxcrt/fx_coordinates.h" +#include "core/fxge/dib/cfx_dibitmap.h" +#include "core/fxge/dib/cfx_dibsource.h" #include "third_party/base/stl_util.h" -enum FXDIB_Format { - FXDIB_Invalid = 0, - FXDIB_1bppMask = 0x101, - FXDIB_1bppRgb = 0x001, - FXDIB_1bppCmyk = 0x401, - FXDIB_8bppMask = 0x108, - FXDIB_8bppRgb = 0x008, - FXDIB_8bppRgba = 0x208, - FXDIB_8bppCmyk = 0x408, - FXDIB_8bppCmyka = 0x608, - FXDIB_Rgb = 0x018, - FXDIB_Rgba = 0x218, - FXDIB_Rgb32 = 0x020, - FXDIB_Argb = 0x220, - FXDIB_Cmyk = 0x420, - FXDIB_Cmyka = 0x620, -}; - -enum FXDIB_Channel { - FXDIB_Red = 1, - FXDIB_Green, - FXDIB_Blue, - FXDIB_Cyan, - FXDIB_Magenta, - FXDIB_Yellow, - FXDIB_Black, - FXDIB_Alpha -}; - -#define FXDIB_DOWNSAMPLE 0x04 -#define FXDIB_INTERPOL 0x20 -#define FXDIB_BICUBIC_INTERPOL 0x80 -#define FXDIB_NOSMOOTH 0x100 -#define FXDIB_BLEND_NORMAL 0 -#define FXDIB_BLEND_MULTIPLY 1 -#define FXDIB_BLEND_SCREEN 2 -#define FXDIB_BLEND_OVERLAY 3 -#define FXDIB_BLEND_DARKEN 4 -#define FXDIB_BLEND_LIGHTEN 5 - -#define FXDIB_BLEND_COLORDODGE 6 -#define FXDIB_BLEND_COLORBURN 7 -#define FXDIB_BLEND_HARDLIGHT 8 -#define FXDIB_BLEND_SOFTLIGHT 9 -#define FXDIB_BLEND_DIFFERENCE 10 -#define FXDIB_BLEND_EXCLUSION 11 -#define FXDIB_BLEND_NONSEPARABLE 21 -#define FXDIB_BLEND_HUE 21 -#define FXDIB_BLEND_SATURATION 22 -#define FXDIB_BLEND_COLOR 23 -#define FXDIB_BLEND_LUMINOSITY 24 -#define FXDIB_BLEND_UNSUPPORTED -1 typedef uint32_t FX_ARGB; typedef uint32_t FX_COLORREF; typedef uint32_t FX_CMYK; class CFX_ClipRgn; -class CFX_DIBSource; -class CFX_DIBitmap; class CStretchEngine; #define FXSYS_RGB(r, g, b) ((r) | ((g) << 8) | ((b) << 16)) @@ -169,229 +117,6 @@ bool ConvertBuffer(FXDIB_Format dest_format, int src_top, std::unique_ptr<uint32_t, FxFreeDeleter>* pal); -class CFX_DIBSource : public CFX_Retainable { - public: - ~CFX_DIBSource() override; - - virtual uint8_t* GetBuffer() const; - virtual const uint8_t* GetScanline(int line) const = 0; - virtual bool SkipToScanline(int line, IFX_Pause* pPause) const; - virtual void DownSampleScanline(int line, - uint8_t* dest_scan, - int dest_bpp, - int dest_width, - bool bFlipX, - int clip_left, - int clip_width) const = 0; - - int GetWidth() const { return m_Width; } - int GetHeight() const { return m_Height; } - - FXDIB_Format GetFormat() const { - return (FXDIB_Format)(m_AlphaFlag * 0x100 + m_bpp); - } - uint32_t GetPitch() const { return m_Pitch; } - uint32_t* GetPalette() const { return m_pPalette.get(); } - int GetBPP() const { return m_bpp; } - - // TODO(thestig): Investigate this. Given the possible values of FXDIB_Format, - // it feels as though this should be implemented as !!(m_AlphaFlag & 1) and - // IsOpaqueImage() below should never be able to return true. - bool IsAlphaMask() const { return m_AlphaFlag == 1; } - bool HasAlpha() const { return !!(m_AlphaFlag & 2); } - bool IsOpaqueImage() const { return !(m_AlphaFlag & 3); } - bool IsCmykImage() const { return !!(m_AlphaFlag & 4); } - - int GetPaletteSize() const { - return IsAlphaMask() ? 0 : (m_bpp == 1 ? 2 : (m_bpp == 8 ? 256 : 0)); - } - - uint32_t GetPaletteEntry(int index) const; - - void SetPaletteEntry(int index, uint32_t color); - uint32_t GetPaletteArgb(int index) const { return GetPaletteEntry(index); } - void SetPaletteArgb(int index, uint32_t color) { - SetPaletteEntry(index, color); - } - - // Copies into internally-owned palette. - void SetPalette(const uint32_t* pSrcPal); - - CFX_RetainPtr<CFX_DIBitmap> Clone(const FX_RECT* pClip = nullptr) const; - CFX_RetainPtr<CFX_DIBitmap> CloneConvert(FXDIB_Format format); - CFX_RetainPtr<CFX_DIBitmap> StretchTo(int dest_width, - int dest_height, - uint32_t flags = 0, - const FX_RECT* pClip = nullptr); - CFX_RetainPtr<CFX_DIBitmap> TransformTo(const CFX_Matrix* pMatrix, - int& left, - int& top, - uint32_t flags = 0, - const FX_RECT* pClip = nullptr); - CFX_RetainPtr<CFX_DIBitmap> SwapXY(bool bXFlip, - bool bYFlip, - const FX_RECT* pClip = nullptr) const; - CFX_RetainPtr<CFX_DIBitmap> FlipImage(bool bXFlip, bool bYFlip) const; - - CFX_RetainPtr<CFX_DIBitmap> CloneAlphaMask( - const FX_RECT* pClip = nullptr) const; - - // Copies into internally-owned mask. - bool SetAlphaMask(const CFX_RetainPtr<CFX_DIBSource>& pAlphaMask, - const FX_RECT* pClip = nullptr); - - void GetOverlapRect(int& dest_left, - int& dest_top, - int& width, - int& height, - int src_width, - int src_height, - int& src_left, - int& src_top, - const CFX_ClipRgn* pClipRgn); - -#if defined _SKIA_SUPPORT_ || defined _SKIA_SUPPORT_PATHS_ - void DebugVerifyBitmapIsPreMultiplied(void* buffer = nullptr) const; -#endif - - CFX_RetainPtr<CFX_DIBitmap> m_pAlphaMask; - - protected: - CFX_DIBSource(); - - void BuildPalette(); - bool BuildAlphaMask(); - int FindPalette(uint32_t color) const; - void GetPalette(uint32_t* pal, int alpha) const; - - int m_Width; - int m_Height; - int m_bpp; - uint32_t m_AlphaFlag; - uint32_t m_Pitch; - // TODO(weili): Use std::vector for this. - std::unique_ptr<uint32_t, FxFreeDeleter> m_pPalette; -}; - -class CFX_DIBitmap : public CFX_DIBSource { - public: - template <typename T, typename... Args> - friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args); - - ~CFX_DIBitmap() override; - - bool Create(int width, - int height, - FXDIB_Format format, - uint8_t* pBuffer = nullptr, - int pitch = 0); - - bool Copy(const CFX_RetainPtr<CFX_DIBSource>& pSrc); - - // CFX_DIBSource - uint8_t* GetBuffer() const override; - const uint8_t* GetScanline(int line) const override; - void DownSampleScanline(int line, - uint8_t* dest_scan, - int dest_bpp, - int dest_width, - bool bFlipX, - int clip_left, - int clip_width) const override; - - void TakeOver(CFX_RetainPtr<CFX_DIBitmap>&& pSrcBitmap); - bool ConvertFormat(FXDIB_Format format); - void Clear(uint32_t color); - - uint32_t GetPixel(int x, int y) const; - void SetPixel(int x, int y, uint32_t color); - - bool LoadChannel(FXDIB_Channel destChannel, - const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap, - FXDIB_Channel srcChannel); - bool LoadChannel(FXDIB_Channel destChannel, int value); - - bool MultiplyAlpha(int alpha); - bool MultiplyAlpha(const CFX_RetainPtr<CFX_DIBSource>& pAlphaMask); - - bool TransferBitmap(int dest_left, - int dest_top, - int width, - int height, - const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap, - int src_left, - int src_top); - - bool CompositeBitmap(int dest_left, - int dest_top, - int width, - int height, - const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap, - int src_left, - int src_top, - int blend_type = FXDIB_BLEND_NORMAL, - const CFX_ClipRgn* pClipRgn = nullptr, - bool bRgbByteOrder = false, - void* pIccTransform = nullptr); - - bool TransferMask(int dest_left, - int dest_top, - int width, - int height, - const CFX_RetainPtr<CFX_DIBSource>& pMask, - uint32_t color, - int src_left, - int src_top, - int alpha_flag = 0, - void* pIccTransform = nullptr); - - bool CompositeMask(int dest_left, - int dest_top, - int width, - int height, - const CFX_RetainPtr<CFX_DIBSource>& pMask, - uint32_t color, - int src_left, - int src_top, - int blend_type = FXDIB_BLEND_NORMAL, - const CFX_ClipRgn* pClipRgn = nullptr, - bool bRgbByteOrder = false, - int alpha_flag = 0, - void* pIccTransform = nullptr); - - bool CompositeRect(int dest_left, - int dest_top, - int width, - int height, - uint32_t color, - int alpha_flag = 0, - void* pIccTransform = nullptr); - - bool ConvertColorScale(uint32_t forecolor, uint32_t backcolor); - -#if defined _SKIA_SUPPORT_ || _SKIA_SUPPORT_PATHS_ - void PreMultiply(); -#endif -#if defined _SKIA_SUPPORT_PATHS_ - void UnPreMultiply(); -#endif - - protected: - CFX_DIBitmap(); - CFX_DIBitmap(const CFX_DIBitmap& src); - bool GetGrayData(void* pIccTransform = nullptr); - -#if defined _SKIA_SUPPORT_PATHS_ - enum class Format { kCleared, kPreMultiplied, kUnPreMultiplied }; -#endif - - uint8_t* m_pBuffer; -#if defined _SKIA_SUPPORT_PATHS_ - Format m_nFormat; -#endif - bool m_bExtBuf; -}; - class CFX_DIBExtractor { public: explicit CFX_DIBExtractor(const CFX_RetainPtr<CFX_DIBSource>& pSrc); @@ -403,41 +128,6 @@ class CFX_DIBExtractor { CFX_RetainPtr<CFX_DIBitmap> m_pBitmap; }; -class CFX_FilteredDIB : public CFX_DIBSource { - public: - template <typename T, typename... Args> - friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args); - - ~CFX_FilteredDIB() override; - - virtual FXDIB_Format GetDestFormat() = 0; - virtual uint32_t* GetDestPalette() = 0; - virtual void TranslateScanline(const uint8_t* src_buf, - std::vector<uint8_t>* dest_buf) const = 0; - virtual void TranslateDownSamples(uint8_t* dest_buf, - const uint8_t* src_buf, - int pixels, - int Bpp) const = 0; - - void LoadSrc(const CFX_RetainPtr<CFX_DIBSource>& pSrc); - - protected: - CFX_FilteredDIB(); - - // CFX_DIBSource - const uint8_t* GetScanline(int line) const override; - void DownSampleScanline(int line, - uint8_t* dest_scan, - int dest_bpp, - int dest_width, - bool bFlipX, - int clip_left, - int clip_width) const override; - - CFX_RetainPtr<CFX_DIBSource> m_pSrc; - mutable std::vector<uint8_t> m_Scanline; -}; - class IFX_ScanlineComposer { public: virtual ~IFX_ScanlineComposer() {} |