include/gdipluspixelformats.h

   1 /*
   2  * Copyright (C) 2007 Google (Evan Stade)
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #ifndef _GDIPLUSPIXELFORMATS_H
  20 #define _GDIPLUSPIXELFORMATS_H
  21
  22 typedef DWORD ARGB;
  23 typedef INT PixelFormat;
  24
  25 #define    PixelFormatIndexed   0x00010000
  26 #define    PixelFormatGDI       0x00020000
  27 #define    PixelFormatAlpha     0x00040000
  28 #define    PixelFormatPAlpha    0x00080000
  29 #define    PixelFormatExtended  0x00100000
  30 #define    PixelFormatCanonical 0x00200000
  31
  32 #define    PixelFormatUndefined 0
  33 #define    PixelFormatDontCare  0
  34
  35 #define    PixelFormat1bppIndexed       (1 | ( 1 << 8) | PixelFormatIndexed | PixelFormatGDI)
  36 #define    PixelFormat4bppIndexed       (2 | ( 4 << 8) | PixelFormatIndexed | PixelFormatGDI)
  37 #define    PixelFormat8bppIndexed       (3 | ( 8 << 8) | PixelFormatIndexed | PixelFormatGDI)
  38 #define    PixelFormat16bppGrayScale    (4 | (16 << 8) | PixelFormatExtended)
  39 #define    PixelFormat16bppRGB555       (5 | (16 << 8) | PixelFormatGDI)
  40 #define    PixelFormat16bppRGB565       (6 | (16 << 8) | PixelFormatGDI)
  41 #define    PixelFormat16bppARGB1555     (7 | (16 << 8) | PixelFormatAlpha | PixelFormatGDI)
  42 #define    PixelFormat24bppRGB          (8 | (24 << 8) | PixelFormatGDI)
  43 #define    PixelFormat32bppRGB          (9 | (32 << 8) | PixelFormatGDI)
  44 #define    PixelFormat32bppARGB         (10 | (32 << 8) | PixelFormatAlpha | PixelFormatGDI | PixelFormatCanonical)
  45 #define    PixelFormat32bppPARGB        (11 | (32 << 8) | PixelFormatAlpha | PixelFormatPAlpha | PixelFormatGDI)
  46 #define    PixelFormat48bppRGB          (12 | (48 << 8) | PixelFormatExtended)
  47 #define    PixelFormat64bppARGB         (13 | (64 << 8) | PixelFormatAlpha  | PixelFormatCanonical | PixelFormatExtended)
  48 #define    PixelFormat64bppPARGB        (14 | (64 << 8) | PixelFormatAlpha  | PixelFormatPAlpha | PixelFormatExtended)
  49 #define    PixelFormat32bppCMYK         (15 | (32 << 8))
  50 #define    PixelFormatMax               16
  51
  52 static inline BOOL IsIndexedPixelFormat(PixelFormat format)
  53 {
  54     return (format & PixelFormatIndexed) != 0;
  55 }
  56
  57 static inline BOOL IsAlphaPixelFormat(PixelFormat format)
  58 {
  59     return (format & PixelFormatAlpha) != 0;
  60 }
  61
  62 static inline BOOL IsCanonicalPixelFormat(PixelFormat format)
  63 {
  64     return (format & PixelFormatCanonical) != 0;
  65 }
  66
  67 static inline BOOL IsExtendedPixelFormat(PixelFormat format)
  68 {
  69     return (format & PixelFormatExtended) != 0;
  70 }
  71
  72 static inline UINT GetPixelFormatSize(PixelFormat format)
  73 {
  74     return (format >> 8) & 0xff;
  75 }
  76
  77 enum PaletteFlags
  78 {
  79     PaletteFlagsHasAlpha        = 1,
  80     PaletteFlagsGrayScale       = 2,
  81     PaletteFlagsHalftone        = 4
  82 };
  83
  84 #ifdef __cplusplus
  85
  86 struct ColorPalette
  87 {
  88 public:
  89     UINT Flags;
  90     UINT Count;
  91     ARGB Entries[1];
  92 };
  93
  94 #else /* end of c++ typedefs */
  95
  96 typedef struct ColorPalette
  97 {
  98     UINT Flags;
  99     UINT Count;
 100     ARGB Entries[1];
 101 } ColorPalette;
 102
 103 #endif  /* end of c typedefs */
 104
 105 typedef enum DitherType
 106 {
 107     DitherTypeNone,
 108     DitherTypeSolid,
 109     DitherTypeOrdered4x4,
 110     DitherTypeOrdered8x8,
 111     DitherTypeOrdered16x16,
 112     DitherTypeSpiral4x4,
 113     DitherTypeSpiral8x8,
 114     DitherTypeDualSpiral4x4,
 115     DitherTypeDualSpiral8x8,
 116     DitherTypeErrorDiffusion,
 117     DitherTypeMax
 118 } DitherType;
 119
 120 typedef enum PaletteType
 121 {
 122     PaletteTypeCustom,
 123     PaletteTypeOptimal,
 124     PaletteTypeFixedBW,
 125     PaletteTypeFixedHalftone8,
 126     PaletteTypeFixedHalftone27,
 127     PaletteTypeFixedHalftone64,
 128     PaletteTypeFixedHalftone125,
 129     PaletteTypeFixedHalftone216,
 130     PaletteTypeFixedHalftone252,
 131     PaletteTypeFixedHalftone256
 132 } PaletteType;
 133
 134 #endif