diff options
Diffstat (limited to 'core/fxge/fx_dib.h')
| -rw-r--r-- | core/fxge/fx_dib.h | 146 |
1 files changed, 74 insertions, 72 deletions
diff --git a/core/fxge/fx_dib.h b/core/fxge/fx_dib.h index 14be05fafe..2208276fa7 100644 --- a/core/fxge/fx_dib.h +++ b/core/fxge/fx_dib.h @@ -10,9 +10,10 @@ #include <memory> #include <vector> -#include "core/fxcrt/cfx_shared_copy_on_write.h" +#include "core/fxcrt/cfx_retain_ptr.h" #include "core/fxcrt/fx_basic.h" #include "core/fxcrt/fx_coordinates.h" +#include "third_party/base/stl_util.h" enum FXDIB_Format { FXDIB_Invalid = 0, @@ -163,14 +164,14 @@ bool ConvertBuffer(FXDIB_Format dest_format, int dest_pitch, int width, int height, - const CFX_DIBSource* pSrcBitmap, + const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap, int src_left, int src_top, std::unique_ptr<uint32_t, FxFreeDeleter>* pal); -class CFX_DIBSource { +class CFX_DIBSource : public CFX_Retainable { public: - virtual ~CFX_DIBSource(); + ~CFX_DIBSource() override; virtual uint8_t* GetBuffer() const; virtual const uint8_t* GetScanline(int line) const = 0; @@ -216,31 +217,29 @@ class CFX_DIBSource { // Copies into internally-owned palette. void SetPalette(const uint32_t* pSrcPal); - std::unique_ptr<CFX_DIBitmap> Clone(const FX_RECT* pClip = nullptr) const; - std::unique_ptr<CFX_DIBitmap> CloneConvert(FXDIB_Format format) const; - std::unique_ptr<CFX_DIBitmap> StretchTo(int dest_width, - int dest_height, + 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) const; - std::unique_ptr<CFX_DIBitmap> TransformTo( - const CFX_Matrix* pMatrix, - int& left, - int& top, - uint32_t flags = 0, - const FX_RECT* pClip = nullptr) const; - std::unique_ptr<CFX_DIBitmap> SwapXY(bool bXFlip, - bool bYFlip, - const FX_RECT* pClip = nullptr) const; - std::unique_ptr<CFX_DIBitmap> FlipImage(bool bXFlip, bool bYFlip) const; + 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; - std::unique_ptr<CFX_DIBitmap> CloneAlphaMask( + CFX_RetainPtr<CFX_DIBitmap> CloneAlphaMask( const FX_RECT* pClip = nullptr) const; // Copies into internally-owned mask. - bool SetAlphaMask(const CFX_DIBSource* pAlphaMask, + bool SetAlphaMask(const CFX_RetainPtr<CFX_DIBSource>& pAlphaMask, const FX_RECT* pClip = nullptr); - void GetOverlapRect(int& dest_left, int& dest_top, int& width, @@ -255,7 +254,7 @@ class CFX_DIBSource { void DebugVerifyBitmapIsPreMultiplied(void* buffer = nullptr) const; #endif - CFX_DIBitmap* m_pAlphaMask; + CFX_RetainPtr<CFX_DIBitmap> m_pAlphaMask; protected: CFX_DIBSource(); @@ -276,8 +275,9 @@ class CFX_DIBSource { class CFX_DIBitmap : public CFX_DIBSource { public: - CFX_DIBitmap(); - explicit CFX_DIBitmap(const CFX_DIBitmap& src); + template <typename T, typename... Args> + friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args); + ~CFX_DIBitmap() override; bool Create(int width, @@ -286,7 +286,7 @@ class CFX_DIBitmap : public CFX_DIBSource { uint8_t* pBuffer = nullptr, int pitch = 0); - bool Copy(const CFX_DIBSource* pSrc); + bool Copy(const CFX_RetainPtr<CFX_DIBSource>& pSrc); // CFX_DIBSource uint8_t* GetBuffer() const override; @@ -299,31 +299,26 @@ class CFX_DIBitmap : public CFX_DIBSource { int clip_left, int clip_width) const override; - void TakeOver(CFX_DIBitmap* pSrcBitmap); - + 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, - CFX_DIBSource* pSrcBitmap, + const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap, FXDIB_Channel srcChannel); - bool LoadChannel(FXDIB_Channel destChannel, int value); bool MultiplyAlpha(int alpha); - - bool MultiplyAlpha(CFX_DIBSource* pAlphaMask); + bool MultiplyAlpha(const CFX_RetainPtr<CFX_DIBSource>& pAlphaMask); bool TransferBitmap(int dest_left, int dest_top, int width, int height, - const CFX_DIBSource* pSrcBitmap, + const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap, int src_left, int src_top); @@ -331,7 +326,7 @@ class CFX_DIBitmap : public CFX_DIBSource { int dest_top, int width, int height, - const CFX_DIBSource* pSrcBitmap, + const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap, int src_left, int src_top, int blend_type = FXDIB_BLEND_NORMAL, @@ -343,7 +338,7 @@ class CFX_DIBitmap : public CFX_DIBSource { int dest_top, int width, int height, - const CFX_DIBSource* pMask, + const CFX_RetainPtr<CFX_DIBSource>& pMask, uint32_t color, int src_left, int src_top, @@ -354,7 +349,7 @@ class CFX_DIBitmap : public CFX_DIBSource { int dest_top, int width, int height, - const CFX_DIBSource* pMask, + const CFX_RetainPtr<CFX_DIBSource>& pMask, uint32_t color, int src_left, int src_top, @@ -382,6 +377,8 @@ class CFX_DIBitmap : public CFX_DIBSource { #endif protected: + CFX_DIBitmap(); + CFX_DIBitmap(const CFX_DIBitmap& src); bool GetGrayData(void* pIccTransform = nullptr); #if defined _SKIA_SUPPORT_PATHS_ @@ -397,37 +394,36 @@ class CFX_DIBitmap : public CFX_DIBSource { class CFX_DIBExtractor { public: - explicit CFX_DIBExtractor(const CFX_DIBSource* pSrc); + explicit CFX_DIBExtractor(const CFX_RetainPtr<CFX_DIBSource>& pSrc); ~CFX_DIBExtractor(); - CFX_DIBitmap* GetBitmap() { return m_pBitmap.get(); } + CFX_RetainPtr<CFX_DIBitmap> GetBitmap() { return m_pBitmap; } private: - std::unique_ptr<CFX_DIBitmap> m_pBitmap; + CFX_RetainPtr<CFX_DIBitmap> m_pBitmap; }; -typedef CFX_SharedCopyOnWrite<CFX_DIBitmap> CFX_DIBitmapRef; - class CFX_FilteredDIB : public CFX_DIBSource { public: - CFX_FilteredDIB(); - ~CFX_FilteredDIB() override; + template <typename T, typename... Args> + friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args); - void LoadSrc(const CFX_DIBSource* pSrc, bool bAutoDropSrc = false); + ~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, @@ -438,8 +434,7 @@ class CFX_FilteredDIB : public CFX_DIBSource { int clip_left, int clip_width) const override; - const CFX_DIBSource* m_pSrc; - bool m_bAutoDropSrc; + CFX_RetainPtr<CFX_DIBSource> m_pSrc; mutable std::vector<uint8_t> m_Scanline; }; @@ -520,7 +515,7 @@ class CFX_BitmapComposer : public IFX_ScanlineComposer { CFX_BitmapComposer(); ~CFX_BitmapComposer() override; - void Compose(CFX_DIBitmap* pDest, + void Compose(const CFX_RetainPtr<CFX_DIBitmap>& pDest, const CFX_ClipRgn* pClipRgn, int bitmap_alpha, uint32_t mask_color, @@ -550,21 +545,28 @@ class CFX_BitmapComposer : public IFX_ScanlineComposer { const uint8_t* clip_scan, const uint8_t* src_extra_alpha = nullptr, uint8_t* dst_extra_alpha = nullptr); - CFX_DIBitmap* m_pBitmap; + void ComposeScanlineV(int line, + const uint8_t* scanline, + const uint8_t* scan_extra_alpha = nullptr); + + CFX_RetainPtr<CFX_DIBitmap> m_pBitmap; const CFX_ClipRgn* m_pClipRgn; FXDIB_Format m_SrcFormat; - int m_DestLeft, m_DestTop, m_DestWidth, m_DestHeight, m_BitmapAlpha; + int m_DestLeft; + int m_DestTop; + int m_DestWidth; + int m_DestHeight; + int m_BitmapAlpha; uint32_t m_MaskColor; - const CFX_DIBitmap* m_pClipMask; + CFX_RetainPtr<CFX_DIBitmap> m_pClipMask; CFX_ScanlineCompositor m_Compositor; - bool m_bVertical, m_bFlipX, m_bFlipY; + bool m_bVertical; + bool m_bFlipX; + bool m_bFlipY; int m_AlphaFlag; void* m_pIccTransform; bool m_bRgbByteOrder; int m_BlendType; - void ComposeScanlineV(int line, - const uint8_t* scanline, - const uint8_t* scan_extra_alpha = nullptr); uint8_t* m_pScanlineV; uint8_t* m_pClipScanV; uint8_t* m_pAddClipScan; @@ -585,18 +587,18 @@ class CFX_BitmapStorer : public IFX_ScanlineComposer { FXDIB_Format src_format, uint32_t* pSrcPalette) override; - CFX_DIBitmap* GetBitmap() { return m_pBitmap.get(); } - std::unique_ptr<CFX_DIBitmap> Detach(); - void Replace(std::unique_ptr<CFX_DIBitmap> pBitmap); + CFX_RetainPtr<CFX_DIBitmap> GetBitmap() { return m_pBitmap; } + CFX_RetainPtr<CFX_DIBitmap> Detach(); + void Replace(CFX_RetainPtr<CFX_DIBitmap>&& pBitmap); private: - std::unique_ptr<CFX_DIBitmap> m_pBitmap; + CFX_RetainPtr<CFX_DIBitmap> m_pBitmap; }; class CFX_ImageStretcher { public: CFX_ImageStretcher(IFX_ScanlineComposer* pDest, - const CFX_DIBSource* pSource, + const CFX_RetainPtr<CFX_DIBSource>& pSource, int dest_width, int dest_height, const FX_RECT& bitmap_rect, @@ -606,7 +608,7 @@ class CFX_ImageStretcher { bool Start(); bool Continue(IFX_Pause* pPause); - const CFX_DIBSource* source() { return m_pSource; } + CFX_RetainPtr<CFX_DIBSource> source() { return m_pSource; } private: bool StartQuickStretch(); @@ -615,7 +617,7 @@ class CFX_ImageStretcher { bool ContinueStretch(IFX_Pause* pPause); IFX_ScanlineComposer* const m_pDest; - const CFX_DIBSource* const m_pSource; + CFX_RetainPtr<CFX_DIBSource> m_pSource; std::unique_ptr<CStretchEngine> m_pStretchEngine; std::unique_ptr<uint8_t, FxFreeDeleter> m_pScanline; std::unique_ptr<uint8_t, FxFreeDeleter> m_pMaskScanline; @@ -632,7 +634,7 @@ class CFX_ImageStretcher { class CFX_ImageTransformer { public: - CFX_ImageTransformer(const CFX_DIBSource* pSrc, + CFX_ImageTransformer(const CFX_RetainPtr<CFX_DIBSource>& pSrc, const CFX_Matrix* pMatrix, int flags, const FX_RECT* pClip); @@ -642,10 +644,10 @@ class CFX_ImageTransformer { bool Continue(IFX_Pause* pPause); const FX_RECT& result() const { return m_result; } - std::unique_ptr<CFX_DIBitmap> DetachBitmap(); + CFX_RetainPtr<CFX_DIBitmap> DetachBitmap(); private: - const CFX_DIBSource* const m_pSrc; + const CFX_RetainPtr<CFX_DIBSource> m_pSrc; const CFX_Matrix* const m_pMatrix; const FX_RECT* const m_pClip; FX_RECT m_StretchClip; @@ -662,9 +664,9 @@ class CFX_ImageRenderer { CFX_ImageRenderer(); ~CFX_ImageRenderer(); - bool Start(CFX_DIBitmap* pDevice, + bool Start(const CFX_RetainPtr<CFX_DIBitmap>& pDevice, const CFX_ClipRgn* pClipRgn, - const CFX_DIBSource* pSource, + const CFX_RetainPtr<CFX_DIBSource>& pSource, int bitmap_alpha, uint32_t mask_color, const CFX_Matrix* pMatrix, @@ -677,7 +679,7 @@ class CFX_ImageRenderer { bool Continue(IFX_Pause* pPause); protected: - CFX_DIBitmap* m_pDevice; + CFX_RetainPtr<CFX_DIBitmap> m_pDevice; const CFX_ClipRgn* m_pClipRgn; int m_BitmapAlpha; uint32_t m_MaskColor; |