1/*
  2 * gdipluspixelformats.h
  3 *
  4 * GDI+ pixel formats
  5 *
  6 * This file is part of the w32api package.
  7 *
  8 * Contributors:
  9 *   Created by Markus Koenig <markus@stber-koenig.de>
 10 *
 11 * THIS SOFTWARE IS NOT COPYRIGHTED
 12 *
 13 * This source code is offered for use in the public domain. You may
 14 * use, modify or distribute it freely.
 15 *
 16 * This code is distributed in the hope that it will be useful but
 17 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
 18 * DISCLAIMED. This includes but is not limited to warranties of
 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 20 *
 21 */
 22
 23#ifndef __GDIPLUS_PIXELFORMATS_H
 24#define __GDIPLUS_PIXELFORMATS_H
 25#if __GNUC__ >=3
 26#pragma GCC system_header
 27#endif
 28
 29typedef DWORD ARGB;
 30typedef INT PixelFormat;
 31
 32#define PixelFormatIndexed ((INT) 0x00010000)
 33#define PixelFormatGDI ((INT) 0x00020000)
 34#define PixelFormatAlpha ((INT) 0x00040000)
 35#define PixelFormatPAlpha ((INT) 0x00080000)
 36#define PixelFormatExtended ((INT) 0x00100000)
 37#define PixelFormatCanonical ((INT) 0x00200000)
 38#define PixelFormatUndefined ((INT) 0)
 39#define PixelFormatDontCare ((INT) 0)
 40#define PixelFormat1bppIndexed ((INT) \
 41	(1 | (1<<8) | PixelFormatIndexed | PixelFormatGDI))
 42#define PixelFormat4bppIndexed ((INT) \
 43	(2 | (4<<8) | PixelFormatIndexed | PixelFormatGDI))
 44#define PixelFormat8bppIndexed ((INT) \
 45	(3 | (8<<8) | PixelFormatIndexed | PixelFormatGDI))
 46#define PixelFormat16bppGrayScale ((INT) \
 47	(4 | (16<<8) | PixelFormatExtended))
 48#define PixelFormat16bppRGB555 ((INT) \
 49	(5 | (16<<8) | PixelFormatGDI))
 50#define PixelFormat16bppRGB565 ((INT) \
 51	(6 | (16<<8) | PixelFormatGDI))
 52#define PixelFormat16bppARGB1555 ((INT) \
 53	(7 | (16<<8) | PixelFormatAlpha | PixelFormatGDI))
 54#define PixelFormat24bppRGB ((INT) \
 55	(8 | (24<<8) | PixelFormatGDI))
 56#define PixelFormat32bppRGB ((INT) \
 57	(9 | (32<<8) | PixelFormatGDI))
 58#define PixelFormat32bppARGB ((INT) \
 59	(10 | (32<<8) | PixelFormatAlpha | PixelFormatGDI | PixelFormatCanonical))
 60#define PixelFormat32bppPARGB ((INT) \
 61	(11 | (32<<8) | PixelFormatAlpha | PixelFormatPAlpha | PixelFormatGDI))
 62#define PixelFormat48bppRGB ((INT) \
 63	(12 | (48<<8) | PixelFormatExtended))
 64#define PixelFormat64bppARGB ((INT) \
 65	(13 | (64<<8) | PixelFormatAlpha | PixelFormatCanonical | PixelFormatExtended))
 66#define PixelFormat64bppPARGB ((INT) \
 67	(14 | (64<<8) | PixelFormatAlpha | PixelFormatPAlpha | PixelFormatExtended))
 68#define PixelFormatMax ((INT) 15)
 69
 70typedef enum PaletteFlags {
 71	PaletteFlagsHasAlpha = 1,
 72	PaletteFlagsGrayScale = 2,
 73	PaletteFlagsHalftone = 4
 74} PaletteFlags;
 75
 76typedef enum PaletteType {
 77	PaletteTypeCustom = 0,
 78	PaletteTypeOptimal = 1,
 79	PaletteTypeFixedBW = 2,
 80	PaletteTypeFixedHalftone8 = 3,
 81	PaletteTypeFixedHalftone27 = 4,
 82	PaletteTypeFixedHalftone64 = 5,
 83	PaletteTypeFixedHalftone125 = 6,
 84	PaletteTypeFixedHalftone216 = 7,
 85	PaletteTypeFixedHalftone252 = 8,
 86	PaletteTypeFixedHalftone256 = 9 
 87} PaletteType;
 88
 89typedef struct ColorPalette {
 90	UINT Flags;
 91	UINT Count;
 92	ARGB Entries[1];
 93} ColorPalette;
 94
 95static __inline__ UINT GetPixelFormatSize(PixelFormat pixfmt)
 96{
 97	return (((UINT) pixfmt) & 0xff00U) >> 8;
 98}
 99
100static __inline__ BOOL IsAlphaPixelFormat(PixelFormat pixfmt)
101{
102	return (pixfmt & PixelFormatAlpha) != 0;
103}
104
105static __inline__ BOOL IsCanonicalPixelFormat(PixelFormat pixfmt)
106{
107	return (pixfmt & PixelFormatCanonical) != 0;
108}
109
110static __inline__ BOOL IsExtendedPixelFormat(PixelFormat pixfmt)
111{
112	return (pixfmt & PixelFormatExtended) != 0;
113}
114
115static __inline__ BOOL IsIndexedPixelFormat(PixelFormat pixfmt)
116{
117	return (pixfmt & PixelFormatIndexed) != 0;
118}
119
120#endif /* __GDIPLUS_PIXELFORMATS_H */