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 IsIndexedPixelFormat(PixelFormat format)
54 {
55 return (format & PixelFormatIndexed) != 0;
56 }
57
58 static inline BOOL
IsAlphaPixelFormat(PixelFormat format)59 IsAlphaPixelFormat(PixelFormat format)
60 {
61 return (format & PixelFormatAlpha) != 0;
62 }
63
64 static inline BOOL
IsCanonicalPixelFormat(PixelFormat format)65 IsCanonicalPixelFormat(PixelFormat format)
66 {
67 return (format & PixelFormatCanonical) != 0;
68 }
69
70 static inline BOOL
IsExtendedPixelFormat(PixelFormat format)71 IsExtendedPixelFormat(PixelFormat format)
72 {
73 return (format & PixelFormatExtended) != 0;
74 }
75
76 static inline UINT
GetPixelFormatSize(PixelFormat format)77 GetPixelFormatSize(PixelFormat format)
78 {
79 return (format >> 8) & 0xff;
80 }
81
82 enum PaletteFlags
83 {
84 PaletteFlagsHasAlpha = 1,
85 PaletteFlagsGrayScale = 2,
86 PaletteFlagsHalftone = 4
87 };
88
89 #ifdef __cplusplus
90
91 struct ColorPalette
92 {
93 public:
94 UINT Flags;
95 UINT Count;
96 ARGB Entries[1];
97 };
98
99 #else /* end of c++ typedefs */
100
101 typedef struct ColorPalette
102 {
103 UINT Flags;
104 UINT Count;
105 ARGB Entries[1];
106 } ColorPalette;
107
108 #endif /* end of c typedefs */
109
110 typedef enum DitherType
111 {
112 DitherTypeNone,
113 DitherTypeSolid,
114 DitherTypeOrdered4x4,
115 DitherTypeOrdered8x8,
116 DitherTypeOrdered16x16,
117 DitherTypeSpiral4x4,
118 DitherTypeSpiral8x8,
119 DitherTypeDualSpiral4x4,
120 DitherTypeDualSpiral8x8,
121 DitherTypeErrorDiffusion,
122 DitherTypeMax
123 } DitherType;
124
125 typedef enum PaletteType
126 {
127 PaletteTypeCustom,
128 PaletteTypeOptimal,
129 PaletteTypeFixedBW,
130 PaletteTypeFixedHalftone8,
131 PaletteTypeFixedHalftone27,
132 PaletteTypeFixedHalftone64,
133 PaletteTypeFixedHalftone125,
134 PaletteTypeFixedHalftone216,
135 PaletteTypeFixedHalftone252,
136 PaletteTypeFixedHalftone256
137 } PaletteType;
138
139 #endif
140