// 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 <tuple> #include <utility> #include "core/fxcrt/fx_coordinates.h" enum FXDIB_Format { FXDIB_Invalid = 0, FXDIB_1bppRgb = 0x001, FXDIB_8bppRgb = 0x008, FXDIB_Rgb = 0x018, FXDIB_Rgb32 = 0x020, FXDIB_1bppMask = 0x101, FXDIB_8bppMask = 0x108, FXDIB_8bppRgba = 0x208, FXDIB_Rgba = 0x218, FXDIB_Argb = 0x220, FXDIB_1bppCmyk = 0x401, FXDIB_8bppCmyk = 0x408, FXDIB_Cmyk = 0x420, FXDIB_8bppCmyka = 0x608, FXDIB_Cmyka = 0x620, }; struct PixelWeight { int m_SrcStart; int m_SrcEnd; int m_Weights[1]; }; typedef uint32_t FX_ARGB; typedef uint32_t FX_COLORREF; typedef uint32_t FX_CMYK; class CFX_ClipRgn; class CFX_DIBSource; class CStretchEngine; extern const int16_t SDP_Table[513]; #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 #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 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) inline FX_CMYK CmykEncode(int c, int m, int y, int k) { return (c << 24) | (m << 16) | (y << 8) | k; } // Returns tuple a, r, g, b std::tuple<int, int, int, int> ArgbDecode(FX_ARGB argb); // Returns pair a, rgb std::pair<int, FX_COLORREF> ArgbToColorRef(FX_ARGB argb); 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 FXDIB_ALPHA_MERGE(backdrop, source, source_alpha) \ (((backdrop) * (255 - (source_alpha)) + (source) * (source_alpha)) / 255) #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_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_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_RECT FXDIB_SwapClipBox(FX_RECT& clip, int width, int height, bool bFlipX, bool bFlipY); #endif // CORE_FXGE_FX_DIB_H_