| // 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_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 "core/fxge/dib/cfx_scanlinecompositor.h" |
| #include "third_party/base/stl_util.h" |
| |
| typedef uint32_t FX_ARGB; |
| typedef uint32_t FX_COLORREF; |
| typedef uint32_t FX_CMYK; |
| class CFX_ClipRgn; |
| 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) |
| |
| bool ConvertBuffer(FXDIB_Format dest_format, |
| uint8_t* dest_buf, |
| int dest_pitch, |
| int width, |
| int height, |
| const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap, |
| int src_left, |
| int src_top, |
| std::unique_ptr<uint32_t, FxFreeDeleter>* pal); |
| |
| 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 bool SetInfo(int width, |
| int height, |
| FXDIB_Format src_format, |
| uint32_t* pSrcPalette) = 0; |
| }; |
| |
| #endif // CORE_FXGE_FX_DIB_H_ |