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authordsinclair <dsinclair@chromium.org>2016-09-29 16:41:42 -0700
committerCommit bot <commit-bot@chromium.org>2016-09-29 16:41:42 -0700
commit74a34fc71ab02400a4c958709138302a1ab4c0e7 (patch)
treeab987bfd6c92679843c030654f62e2fb9ecf45b3 /core/fxge/fx_dib.h
parenta52ab741019342fbca0468e43a01deb44fa5f1bd (diff)
downloadpdfium-74a34fc71ab02400a4c958709138302a1ab4c0e7.tar.xz
Move core/fxge/include to core/fxge
BUG=pdfium:611 Review-Url: https://codereview.chromium.org/2377393002
Diffstat (limited to 'core/fxge/fx_dib.h')
-rw-r--r--core/fxge/fx_dib.h680
1 files changed, 680 insertions, 0 deletions
diff --git a/core/fxge/fx_dib.h b/core/fxge/fx_dib.h
new file mode 100644
index 0000000000..038d103989
--- /dev/null
+++ b/core/fxge/fx_dib.h
@@ -0,0 +1,680 @@
+// 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_FX_DIB_H_
+#define CORE_FXGE_FX_DIB_H_
+
+#include <memory>
+#include <vector>
+
+#include "core/fxcrt/cfx_count_ref.h"
+#include "core/fxcrt/fx_basic.h"
+#include "core/fxcrt/fx_coordinates.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))
+#define FXSYS_GetRValue(rgb) ((rgb)&0xff)
+#define FXSYS_GetGValue(rgb) (((rgb) >> 8) & 0xff)
+#define FXSYS_GetBValue(rgb) (((rgb) >> 16) & 0xff)
+#define FX_CCOLOR(val) (255 - (val))
+#define FXSYS_CMYK(c, m, y, k) (((c) << 24) | ((m) << 16) | ((y) << 8) | (k))
+#define FXSYS_GetCValue(cmyk) ((uint8_t)((cmyk) >> 24) & 0xff)
+#define FXSYS_GetMValue(cmyk) ((uint8_t)((cmyk) >> 16) & 0xff)
+#define FXSYS_GetYValue(cmyk) ((uint8_t)((cmyk) >> 8) & 0xff)
+#define FXSYS_GetKValue(cmyk) ((uint8_t)(cmyk)&0xff)
+void CmykDecode(FX_CMYK cmyk, int& c, int& m, int& y, int& k);
+inline FX_CMYK CmykEncode(int c, int m, int y, int k) {
+ return (c << 24) | (m << 16) | (y << 8) | k;
+}
+void ArgbDecode(FX_ARGB argb, int& a, int& r, int& g, int& b);
+void ArgbDecode(FX_ARGB argb, int& a, FX_COLORREF& rgb);
+inline FX_ARGB ArgbEncode(int a, int r, int g, int b) {
+ return (a << 24) | (r << 16) | (g << 8) | b;
+}
+FX_ARGB ArgbEncode(int a, FX_COLORREF rgb);
+#define FXARGB_A(argb) ((uint8_t)((argb) >> 24))
+#define FXARGB_R(argb) ((uint8_t)((argb) >> 16))
+#define FXARGB_G(argb) ((uint8_t)((argb) >> 8))
+#define FXARGB_B(argb) ((uint8_t)(argb))
+#define FXARGB_MAKE(a, r, g, b) \
+ (((uint32_t)(a) << 24) | ((r) << 16) | ((g) << 8) | (b))
+#define FXARGB_MUL_ALPHA(argb, alpha) \
+ (((((argb) >> 24) * (alpha) / 255) << 24) | ((argb)&0xffffff))
+#define FXRGB2GRAY(r, g, b) (((b)*11 + (g)*59 + (r)*30) / 100)
+#define FXCMYK2GRAY(c, m, y, k) \
+ (((255 - (c)) * (255 - (k)) * 30 + (255 - (m)) * (255 - (k)) * 59 + \
+ (255 - (y)) * (255 - (k)) * 11) / \
+ 25500)
+#define FXDIB_ALPHA_MERGE(backdrop, source, source_alpha) \
+ (((backdrop) * (255 - (source_alpha)) + (source) * (source_alpha)) / 255)
+#define FXDIB_ALPHA_UNION(dest, src) ((dest) + (src) - (dest) * (src) / 255)
+#define FXCMYK_GETDIB(p) \
+ ((((uint8_t*)(p))[0] << 24 | (((uint8_t*)(p))[1] << 16) | \
+ (((uint8_t*)(p))[2] << 8) | ((uint8_t*)(p))[3]))
+#define FXCMYK_SETDIB(p, cmyk) ((uint8_t*)(p))[0] = (uint8_t)((cmyk) >> 24), \
+ ((uint8_t*)(p))[1] = (uint8_t)((cmyk) >> 16), \
+ ((uint8_t*)(p))[2] = (uint8_t)((cmyk) >> 8), \
+ ((uint8_t*)(p))[3] = (uint8_t)(cmyk))
+#define FXARGB_GETDIB(p) \
+ ((((uint8_t*)(p))[0]) | (((uint8_t*)(p))[1] << 8) | \
+ (((uint8_t*)(p))[2] << 16) | (((uint8_t*)(p))[3] << 24))
+#define FXARGB_SETDIB(p, argb) \
+ ((uint8_t*)(p))[0] = (uint8_t)(argb), \
+ ((uint8_t*)(p))[1] = (uint8_t)((argb) >> 8), \
+ ((uint8_t*)(p))[2] = (uint8_t)((argb) >> 16), \
+ ((uint8_t*)(p))[3] = (uint8_t)((argb) >> 24)
+#define FXARGB_COPY(dest, src) \
+ *(uint8_t*)(dest) = *(uint8_t*)(src), \
+ *((uint8_t*)(dest) + 1) = *((uint8_t*)(src) + 1), \
+ *((uint8_t*)(dest) + 2) = *((uint8_t*)(src) + 2), \
+ *((uint8_t*)(dest) + 3) = *((uint8_t*)(src) + 3)
+#define FXCMYK_COPY(dest, src) \
+ *(uint8_t*)(dest) = *(uint8_t*)(src), \
+ *((uint8_t*)(dest) + 1) = *((uint8_t*)(src) + 1), \
+ *((uint8_t*)(dest) + 2) = *((uint8_t*)(src) + 2), \
+ *((uint8_t*)(dest) + 3) = *((uint8_t*)(src) + 3)
+#define FXARGB_SETRGBORDERDIB(p, argb) \
+ ((uint8_t*)(p))[3] = (uint8_t)(argb >> 24), \
+ ((uint8_t*)(p))[0] = (uint8_t)((argb) >> 16), \
+ ((uint8_t*)(p))[1] = (uint8_t)((argb) >> 8), \
+ ((uint8_t*)(p))[2] = (uint8_t)(argb)
+#define FXARGB_GETRGBORDERDIB(p) \
+ (((uint8_t*)(p))[2]) | (((uint8_t*)(p))[1] << 8) | \
+ (((uint8_t*)(p))[0] << 16) | (((uint8_t*)(p))[3] << 24)
+#define FXARGB_RGBORDERCOPY(dest, src) \
+ *((uint8_t*)(dest) + 3) = *((uint8_t*)(src) + 3), \
+ *(uint8_t*)(dest) = *((uint8_t*)(src) + 2), \
+ *((uint8_t*)(dest) + 1) = *((uint8_t*)(src) + 1), \
+ *((uint8_t*)(dest) + 2) = *((uint8_t*)(src))
+#define FXARGB_TODIB(argb) (argb)
+#define FXCMYK_TODIB(cmyk) \
+ ((uint8_t)((cmyk) >> 24) | ((uint8_t)((cmyk) >> 16)) << 8 | \
+ ((uint8_t)((cmyk) >> 8)) << 16 | ((uint8_t)(cmyk) << 24))
+#define FXARGB_TOBGRORDERDIB(argb) \
+ ((uint8_t)(argb >> 16) | ((uint8_t)(argb >> 8)) << 8 | \
+ ((uint8_t)(argb)) << 16 | ((uint8_t)(argb >> 24) << 24))
+#define FXGETFLAG_COLORTYPE(flag) (uint8_t)((flag) >> 8)
+#define FXGETFLAG_ALPHA_FILL(flag) (uint8_t)(flag)
+
+FX_BOOL ConvertBuffer(FXDIB_Format dest_format,
+ uint8_t* dest_buf,
+ int dest_pitch,
+ int width,
+ int height,
+ const CFX_DIBSource* pSrcBitmap,
+ int src_left,
+ int src_top,
+ std::unique_ptr<uint32_t, FxFreeDeleter>* pal);
+
+class CFX_DIBSource {
+ public:
+ virtual ~CFX_DIBSource();
+
+ virtual uint8_t* GetBuffer() const;
+ virtual const uint8_t* GetScanline(int line) const = 0;
+ virtual FX_BOOL SkipToScanline(int line, IFX_Pause* pPause) const;
+ virtual void DownSampleScanline(int line,
+ uint8_t* dest_scan,
+ int dest_bpp,
+ int dest_width,
+ FX_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);
+ }
+
+ void CopyPalette(const uint32_t* pSrcPal);
+
+ CFX_DIBitmap* Clone(const FX_RECT* pClip = nullptr) const;
+ CFX_DIBitmap* CloneConvert(FXDIB_Format format) const;
+
+ CFX_DIBitmap* StretchTo(int dest_width,
+ int dest_height,
+ uint32_t flags = 0,
+ const FX_RECT* pClip = nullptr) const;
+ CFX_DIBitmap* TransformTo(const CFX_Matrix* pMatrix,
+ int& left,
+ int& top,
+ uint32_t flags = 0,
+ const FX_RECT* pClip = nullptr) const;
+
+ CFX_DIBitmap* GetAlphaMask(const FX_RECT* pClip = nullptr) const;
+ FX_BOOL CopyAlphaMask(const CFX_DIBSource* pAlphaMask,
+ const FX_RECT* pClip = nullptr);
+
+ CFX_DIBitmap* SwapXY(FX_BOOL bXFlip,
+ FX_BOOL bYFlip,
+ const FX_RECT* pClip = nullptr) const;
+
+ CFX_DIBitmap* FlipImage(FX_BOOL bXFlip, FX_BOOL bYFlip) const;
+
+ 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_
+ void DebugVerifyBitmapIsPreMultiplied(void* buffer = nullptr) const;
+#endif
+
+ CFX_DIBitmap* m_pAlphaMask;
+
+ protected:
+ CFX_DIBSource();
+
+ void BuildPalette();
+ FX_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:
+ CFX_DIBitmap();
+ explicit CFX_DIBitmap(const CFX_DIBitmap& src);
+ ~CFX_DIBitmap() override;
+
+ FX_BOOL Create(int width,
+ int height,
+ FXDIB_Format format,
+ uint8_t* pBuffer = nullptr,
+ int pitch = 0);
+
+ FX_BOOL Copy(const 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,
+ FX_BOOL bFlipX,
+ int clip_left,
+ int clip_width) const override;
+
+ void TakeOver(CFX_DIBitmap* pSrcBitmap);
+
+ FX_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);
+
+ FX_BOOL LoadChannel(FXDIB_Channel destChannel,
+ const CFX_DIBSource* pSrcBitmap,
+ FXDIB_Channel srcChannel);
+
+ FX_BOOL LoadChannel(FXDIB_Channel destChannel, int value);
+
+ FX_BOOL MultiplyAlpha(int alpha);
+
+ FX_BOOL MultiplyAlpha(const CFX_DIBSource* pAlphaMask);
+
+ FX_BOOL TransferBitmap(int dest_left,
+ int dest_top,
+ int width,
+ int height,
+ const CFX_DIBSource* pSrcBitmap,
+ int src_left,
+ int src_top);
+
+ FX_BOOL CompositeBitmap(int dest_left,
+ int dest_top,
+ int width,
+ int height,
+ const CFX_DIBSource* pSrcBitmap,
+ int src_left,
+ int src_top,
+ int blend_type = FXDIB_BLEND_NORMAL,
+ const CFX_ClipRgn* pClipRgn = nullptr,
+ FX_BOOL bRgbByteOrder = FALSE,
+ void* pIccTransform = nullptr);
+
+ FX_BOOL TransferMask(int dest_left,
+ int dest_top,
+ int width,
+ int height,
+ const CFX_DIBSource* pMask,
+ uint32_t color,
+ int src_left,
+ int src_top,
+ int alpha_flag = 0,
+ void* pIccTransform = nullptr);
+
+ FX_BOOL CompositeMask(int dest_left,
+ int dest_top,
+ int width,
+ int height,
+ const CFX_DIBSource* pMask,
+ uint32_t color,
+ int src_left,
+ int src_top,
+ int blend_type = FXDIB_BLEND_NORMAL,
+ const CFX_ClipRgn* pClipRgn = nullptr,
+ FX_BOOL bRgbByteOrder = FALSE,
+ int alpha_flag = 0,
+ void* pIccTransform = nullptr);
+
+ FX_BOOL CompositeRect(int dest_left,
+ int dest_top,
+ int width,
+ int height,
+ uint32_t color,
+ int alpha_flag = 0,
+ void* pIccTransform = nullptr);
+
+ FX_BOOL ConvertColorScale(uint32_t forecolor, uint32_t backcolor);
+
+ protected:
+ FX_BOOL GetGrayData(void* pIccTransform = nullptr);
+
+ uint8_t* m_pBuffer;
+ FX_BOOL m_bExtBuf;
+};
+
+class CFX_DIBExtractor {
+ public:
+ explicit CFX_DIBExtractor(const CFX_DIBSource* pSrc);
+ ~CFX_DIBExtractor();
+
+ CFX_DIBitmap* GetBitmap() { return m_pBitmap.get(); }
+
+ private:
+ std::unique_ptr<CFX_DIBitmap> m_pBitmap;
+};
+
+typedef CFX_CountRef<CFX_DIBitmap> CFX_DIBitmapRef;
+
+class CFX_FilteredDIB : public CFX_DIBSource {
+ public:
+ CFX_FilteredDIB();
+ ~CFX_FilteredDIB() override;
+
+ void LoadSrc(const CFX_DIBSource* pSrc, FX_BOOL bAutoDropSrc = FALSE);
+
+ 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;
+
+ protected:
+ // CFX_DIBSource
+ const uint8_t* GetScanline(int line) const override;
+ void DownSampleScanline(int line,
+ uint8_t* dest_scan,
+ int dest_bpp,
+ int dest_width,
+ FX_BOOL bFlipX,
+ int clip_left,
+ int clip_width) const override;
+
+ const CFX_DIBSource* m_pSrc;
+ FX_BOOL m_bAutoDropSrc;
+ mutable std::vector<uint8_t> m_Scanline;
+};
+
+class IFX_ScanlineComposer {
+ public:
+ virtual ~IFX_ScanlineComposer() {}
+
+ virtual void ComposeScanline(int line,
+ const uint8_t* scanline,
+ const uint8_t* scan_extra_alpha = nullptr) = 0;
+
+ virtual FX_BOOL SetInfo(int width,
+ int height,
+ FXDIB_Format src_format,
+ uint32_t* pSrcPalette) = 0;
+};
+
+class CFX_ScanlineCompositor {
+ public:
+ CFX_ScanlineCompositor();
+
+ ~CFX_ScanlineCompositor();
+
+ FX_BOOL Init(FXDIB_Format dest_format,
+ FXDIB_Format src_format,
+ int32_t width,
+ uint32_t* pSrcPalette,
+ uint32_t mask_color,
+ int blend_type,
+ FX_BOOL bClip,
+ FX_BOOL bRgbByteOrder = FALSE,
+ int alpha_flag = 0,
+ void* pIccTransform = nullptr);
+
+ void CompositeRgbBitmapLine(uint8_t* dest_scan,
+ const uint8_t* src_scan,
+ int width,
+ const uint8_t* clip_scan,
+ const uint8_t* src_extra_alpha = nullptr,
+ uint8_t* dst_extra_alpha = nullptr);
+
+ void CompositePalBitmapLine(uint8_t* dest_scan,
+ const uint8_t* src_scan,
+ int src_left,
+ int width,
+ const uint8_t* clip_scan,
+ const uint8_t* src_extra_alpha = nullptr,
+ uint8_t* dst_extra_alpha = nullptr);
+
+ void CompositeByteMaskLine(uint8_t* dest_scan,
+ const uint8_t* src_scan,
+ int width,
+ const uint8_t* clip_scan,
+ uint8_t* dst_extra_alpha = nullptr);
+
+ void CompositeBitMaskLine(uint8_t* dest_scan,
+ const uint8_t* src_scan,
+ int src_left,
+ int width,
+ const uint8_t* clip_scan,
+ uint8_t* dst_extra_alpha = nullptr);
+
+ protected:
+ int m_Transparency;
+ FXDIB_Format m_SrcFormat, m_DestFormat;
+ uint32_t* m_pSrcPalette;
+
+ int m_MaskAlpha, m_MaskRed, m_MaskGreen, m_MaskBlue, m_MaskBlack;
+ int m_BlendType;
+ void* m_pIccTransform;
+ uint8_t* m_pCacheScanline;
+ int m_CacheSize;
+ FX_BOOL m_bRgbByteOrder;
+};
+
+class CFX_BitmapComposer : public IFX_ScanlineComposer {
+ public:
+ CFX_BitmapComposer();
+ ~CFX_BitmapComposer() override;
+
+ void Compose(CFX_DIBitmap* pDest,
+ const CFX_ClipRgn* pClipRgn,
+ int bitmap_alpha,
+ uint32_t mask_color,
+ FX_RECT& dest_rect,
+ FX_BOOL bVertical,
+ FX_BOOL bFlipX,
+ FX_BOOL bFlipY,
+ FX_BOOL bRgbByteOrder = FALSE,
+ int alpha_flag = 0,
+ void* pIccTransform = nullptr,
+ int blend_type = FXDIB_BLEND_NORMAL);
+
+ // IFX_ScanlineComposer
+ FX_BOOL SetInfo(int width,
+ int height,
+ FXDIB_Format src_format,
+ uint32_t* pSrcPalette) override;
+
+ void ComposeScanline(int line,
+ const uint8_t* scanline,
+ const uint8_t* scan_extra_alpha) override;
+
+ protected:
+ void DoCompose(uint8_t* dest_scan,
+ const uint8_t* src_scan,
+ int dest_width,
+ const uint8_t* clip_scan,
+ const uint8_t* src_extra_alpha = nullptr,
+ uint8_t* dst_extra_alpha = nullptr);
+ CFX_DIBitmap* m_pBitmap;
+ const CFX_ClipRgn* m_pClipRgn;
+ FXDIB_Format m_SrcFormat;
+ int m_DestLeft, m_DestTop, m_DestWidth, m_DestHeight, m_BitmapAlpha;
+ uint32_t m_MaskColor;
+ const CFX_DIBitmap* m_pClipMask;
+ CFX_ScanlineCompositor m_Compositor;
+ FX_BOOL m_bVertical, m_bFlipX, m_bFlipY;
+ int m_AlphaFlag;
+ void* m_pIccTransform;
+ FX_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;
+ uint8_t* m_pScanlineAlphaV;
+};
+
+class CFX_BitmapStorer : public IFX_ScanlineComposer {
+ public:
+ CFX_BitmapStorer();
+ ~CFX_BitmapStorer() override;
+
+ // IFX_ScanlineComposer
+ void ComposeScanline(int line,
+ const uint8_t* scanline,
+ const uint8_t* scan_extra_alpha) override;
+ FX_BOOL SetInfo(int width,
+ int height,
+ 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);
+
+ private:
+ std::unique_ptr<CFX_DIBitmap> m_pBitmap;
+};
+
+class CFX_ImageStretcher {
+ public:
+ CFX_ImageStretcher(IFX_ScanlineComposer* pDest,
+ const CFX_DIBSource* pSource,
+ int dest_width,
+ int dest_height,
+ const FX_RECT& bitmap_rect,
+ uint32_t flags);
+ ~CFX_ImageStretcher();
+
+ FX_BOOL Start();
+ FX_BOOL Continue(IFX_Pause* pPause);
+
+ const CFX_DIBSource* source() { return m_pSource; }
+
+ private:
+ FX_BOOL StartQuickStretch();
+ FX_BOOL StartStretch();
+ FX_BOOL ContinueQuickStretch(IFX_Pause* pPause);
+ FX_BOOL ContinueStretch(IFX_Pause* pPause);
+
+ IFX_ScanlineComposer* const m_pDest;
+ const CFX_DIBSource* const m_pSource;
+ std::unique_ptr<CStretchEngine> m_pStretchEngine;
+ std::unique_ptr<uint8_t, FxFreeDeleter> m_pScanline;
+ std::unique_ptr<uint8_t, FxFreeDeleter> m_pMaskScanline;
+ const uint32_t m_Flags;
+ FX_BOOL m_bFlipX;
+ FX_BOOL m_bFlipY;
+ int m_DestWidth;
+ int m_DestHeight;
+ FX_RECT m_ClipRect;
+ const FXDIB_Format m_DestFormat;
+ const int m_DestBPP;
+ int m_LineIndex;
+};
+
+class CFX_ImageTransformer {
+ public:
+ CFX_ImageTransformer(const CFX_DIBSource* pSrc,
+ const CFX_Matrix* pMatrix,
+ int flags,
+ const FX_RECT* pClip);
+ ~CFX_ImageTransformer();
+
+ FX_BOOL Start();
+ FX_BOOL Continue(IFX_Pause* pPause);
+
+ const FX_RECT& result() const { return m_result; }
+ std::unique_ptr<CFX_DIBitmap> DetachBitmap();
+
+ private:
+ const CFX_DIBSource* const m_pSrc;
+ const CFX_Matrix* const m_pMatrix;
+ const FX_RECT* const m_pClip;
+ FX_RECT m_StretchClip;
+ FX_RECT m_result;
+ CFX_Matrix m_dest2stretch;
+ std::unique_ptr<CFX_ImageStretcher> m_Stretcher;
+ CFX_BitmapStorer m_Storer;
+ const uint32_t m_Flags;
+ int m_Status;
+};
+
+class CFX_ImageRenderer {
+ public:
+ CFX_ImageRenderer();
+ ~CFX_ImageRenderer();
+
+ FX_BOOL Start(CFX_DIBitmap* pDevice,
+ const CFX_ClipRgn* pClipRgn,
+ const CFX_DIBSource* pSource,
+ int bitmap_alpha,
+ uint32_t mask_color,
+ const CFX_Matrix* pMatrix,
+ uint32_t dib_flags,
+ FX_BOOL bRgbByteOrder = FALSE,
+ int alpha_flag = 0,
+ void* pIccTransform = nullptr,
+ int blend_type = FXDIB_BLEND_NORMAL);
+
+ FX_BOOL Continue(IFX_Pause* pPause);
+
+ protected:
+ CFX_DIBitmap* m_pDevice;
+ const CFX_ClipRgn* m_pClipRgn;
+ int m_BitmapAlpha;
+ uint32_t m_MaskColor;
+ CFX_Matrix m_Matrix;
+ std::unique_ptr<CFX_ImageTransformer> m_pTransformer;
+ std::unique_ptr<CFX_ImageStretcher> m_Stretcher;
+ CFX_BitmapComposer m_Composer;
+ int m_Status;
+ FX_RECT m_ClipBox;
+ uint32_t m_Flags;
+ int m_AlphaFlag;
+ void* m_pIccTransform;
+ FX_BOOL m_bRgbByteOrder;
+ int m_BlendType;
+};
+
+#endif // CORE_FXGE_FX_DIB_H_