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
53 IsIndexedPixelFormat(PixelFormat format)
54 {
55     return (format & PixelFormatIndexed) != 0;
56 }
57 
58 static inline BOOL
59 IsAlphaPixelFormat(PixelFormat format)
60 {
61     return (format & PixelFormatAlpha) != 0;
62 }
63 
64 static inline BOOL
65 IsCanonicalPixelFormat(PixelFormat format)
66 {
67     return (format & PixelFormatCanonical) != 0;
68 }
69 
70 static inline BOOL
71 IsExtendedPixelFormat(PixelFormat format)
72 {
73     return (format & PixelFormatExtended) != 0;
74 }
75 
76 static inline UINT
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