loadBMP

1 import dlib.core.stream;
2 import std.stdio;
3 
4 SuperImage img;
5 
6 //32 bit with bitfield masks
7 ubyte[] bmpData32 = [
8     66, 77, 72, 1, 0, 0, 0, 0, 0, 0, 70, 0, 0, 0, 56, 0, 0, 0, 8, 0, 0, 0, 8, 0,
9     0, 0, 1, 0, 32, 0, 3, 0, 0, 0, 2, 1, 0, 0, 18, 11, 0, 0, 18, 11, 0, 0, 0, 0, 0,
10     0, 0, 0, 0, 0, 0, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 0, 0, 0, 0, 0, 255,
11     255, 255, 0, 245, 235, 224, 0, 229, 199, 154, 0, 248, 227, 185, 0, 255, 229,
12     181, 0, 236, 203, 152, 0, 244, 234, 223, 0, 255, 255, 255, 0, 244, 234, 224, 0,
13     202, 139, 76, 0, 242, 199, 126, 0, 202, 217, 187, 0, 117, 190, 218, 0, 167,
14     177, 160, 0, 209, 140, 72, 0, 243, 231, 221, 0, 196, 149, 107, 0, 166, 97, 16,
15     0, 208, 143, 34, 0, 161, 188, 160, 0, 59, 207, 255, 0, 52, 168, 228, 0, 182,
16     115, 42, 0, 196, 144, 97, 0, 196, 151, 116, 0, 192, 136, 51, 0, 226, 169, 71,
17     0, 231, 202, 160, 0, 170, 199, 178, 0, 101, 178, 172, 0, 176, 156, 116, 0, 201,
18     153, 112, 0, 204, 162, 127, 0, 185, 156, 134, 0, 136, 155, 170, 0, 153, 201,
19     201, 0, 161, 211, 186, 0, 69, 179, 136, 0, 123, 151, 103, 0, 210, 164, 133, 0,
20     215, 183, 153, 0, 201, 174, 166, 0, 34, 94, 208, 0, 29, 132, 228, 0, 125, 188,
21     190, 0, 112, 178, 134, 0, 120, 144, 104, 0, 213, 181, 154, 0, 246, 240, 233, 0,
22     221, 193, 168, 0, 167, 168, 213, 0, 127, 147, 220, 0, 220, 224, 236, 0, 255,
23     239, 232, 0, 220, 191, 169, 0, 245, 238, 230, 0, 255, 255, 255, 0, 247, 240,
24     233, 0, 235, 213, 186, 0, 252, 237, 216, 0, 245, 231, 217, 0, 231, 212, 193, 0,
25     246, 239, 230, 0, 255, 255, 255, 0, 0
26 ];
27 auto bmpStream32 = new ArrayStream(bmpData32);
28 img = loadBMP(bmpStream32);
29 assert(img[2,2].convert(8) == Color4(208, 94, 34, 255));
30 assert(img[5,2].convert(8) == Color4(134, 178, 112, 255));
31 assert(img[2,5].convert(8) == Color4(34, 143, 208, 255));
32 assert(img[5,5].convert(8) == Color4(228, 168, 52, 255));
33 
34 //32 bit with transparency
35 ubyte[] bmpData32_alpha = [
36     66, 77, 122, 1, 0, 0, 0, 0, 0, 0, 122, 0, 0, 0, 108, 0, 0, 0, 8, 0, 0, 0, 8,
37     0, 0, 0, 1, 0, 32, 0, 3, 0, 0, 0, 0, 1, 0, 0, 109, 11, 0, 0, 109, 11, 0, 0, 0,
38     0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 0, 0, 255, 0, 0, 255, 0, 0, 0, 0, 0, 0, 255, 1,
39     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0,
40     0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255,
41     249, 173, 0, 206, 142, 67, 52, 231, 194, 127, 176, 248, 229, 183, 239, 249,
42     229, 182, 240, 235, 196, 126, 179, 207, 143, 68, 55, 255, 255, 238, 0, 168, 86,
43     17, 50, 198, 128, 57, 207, 230, 188, 116, 255, 200, 211, 179, 255, 131, 192,
44     209, 255, 164, 172, 153, 255, 199, 131, 60, 211, 171, 88, 18, 55, 162, 88, 23,
45     171, 171, 103, 22, 255, 203, 147, 48, 255, 165, 188, 159, 255, 78, 202, 251,
46     255, 71, 168, 211, 255, 174, 119, 55, 255, 166, 89, 21, 179, 190, 142, 100,
47     233, 191, 137, 58, 255, 215, 167, 81, 255, 216, 198, 158, 255, 162, 198, 181,
48     255, 106, 177, 169, 255, 171, 153, 111, 255, 193, 142, 98, 239, 198, 155, 120,
49     232, 184, 154, 130, 255, 140, 155, 166, 255, 149, 194, 197, 255, 153, 206, 185,
50     255, 84, 180, 141, 255, 129, 151, 106, 255, 198, 154, 121, 238, 196, 152, 117,
51     168, 191, 166, 157, 255, 59, 109, 202, 255, 51, 140, 222, 255, 127, 188, 190,
52     255, 119, 179, 141, 255, 129, 146, 106, 255, 188, 149, 117, 175, 193, 147, 111,
53     47, 213, 186, 167, 203, 164, 163, 201, 255, 138, 156, 216, 255, 212, 216, 226,
54     255, 237, 225, 212, 255, 213, 189, 168, 207, 190, 148, 112, 52, 255, 255, 255,
55     0, 212, 179, 149, 47, 236, 218, 201, 169, 247, 237, 227, 233, 246, 237, 229,
56     234, 233, 217, 203, 172, 214, 182, 154, 50, 255, 255, 255, 0
57 ];
58 auto bmpStream32_alpha = new ArrayStream(bmpData32_alpha);
59 img = loadBMP(bmpStream32_alpha);
60 assert(img[1,1].convert(8) == Color4(167, 186, 213, 203));
61 assert(img[1,6].convert(8) == Color4(57, 128, 198, 207));
62 assert(img[2,2].convert(8) == Color4(202, 109, 59, 255));
63 assert(img[5,5].convert(8) == Color4(211, 168, 71, 255));
64 
65 //24 bit
66 ubyte[] bmpData24 = [
67     66, 77, 248, 0, 0, 0, 0, 0, 0, 0, 54, 0, 0, 0, 40, 0, 0, 0, 8, 0, 0, 0, 8, 0,
68     0, 0, 1, 0, 24, 0, 0, 0, 0, 0, 194, 0, 0, 0, 18, 11, 0, 0, 18, 11, 0, 0, 0, 0,
69     0, 0, 0, 0, 0, 0, 255, 255, 255, 245, 235, 224, 229, 199, 154, 248, 227, 185,
70     255, 229, 181, 236, 203, 152, 244, 234, 223, 255, 255, 255, 244, 234, 224, 202,
71     139, 76, 242, 199, 126, 202, 217, 187, 117, 190, 218, 167, 177, 160, 209, 140,
72     72, 243, 231, 221, 196, 149, 107, 166, 97, 16, 208, 143, 34, 161, 188, 160, 59,
73     207, 255, 52, 168, 228, 182, 115, 42, 196, 144, 97, 196, 151, 116, 192, 136,
74     51, 226, 169, 71, 231, 202, 160, 170, 199, 178, 101, 178, 172, 176, 156, 116,
75     201, 153, 112, 204, 162, 127, 185, 156, 134, 136, 155, 170, 153, 201, 201, 161,
76     211, 186, 69, 179, 136, 123, 151, 103, 210, 164, 133, 215, 183, 153, 201, 174,
77     166, 34, 94, 208, 29, 132, 228, 125, 188, 190, 112, 178, 134, 120, 144, 104,
78     213, 181, 154, 246, 240, 233, 221, 193, 168, 167, 168, 213, 127, 147, 220, 220,
79     224, 236, 255, 239, 232, 220, 191, 169, 245, 238, 230, 255, 255, 255, 247, 240,
80     233, 235, 213, 186, 252, 237, 216, 245, 231, 217, 231, 212, 193, 246, 239, 230,
81     255, 255, 255, 0, 0
82 ];
83 auto bmpStream24 = new ArrayStream(bmpData24);
84 img = loadBMP(bmpStream24);
85 assert(img[2,2].convert(8) == Color4(208, 94, 34, 255));
86 assert(img[5,5].convert(8) == Color4(228, 168, 52, 255));
87 
88 //16 bit X1 R5 G5 B5
89 ubyte[] bmpData16_1_5_5_5 = [
90     66, 77, 184, 0, 0, 0, 0, 0, 0, 0, 54, 0, 0, 0, 40, 0, 0, 0, 8, 0, 0, 0, 8, 0,
91     0, 0, 1, 0, 16, 0, 0, 0, 0, 0, 130, 0, 0, 0, 18, 11, 0, 0, 18, 11, 0, 0, 0, 0,
92     0, 0, 0, 0, 0, 0, 255, 127, 190, 111, 28, 79, 158, 91, 159, 91, 61, 75, 158,
93     111, 255, 127, 158, 111, 57, 38, 29, 63, 89, 95, 238, 110, 212, 78, 57, 38,
94     158, 111, 88, 54, 148, 9, 57, 18, 244, 78, 39, 127, 134, 114, 214, 21, 88, 50,
95     88, 58, 55, 26, 187, 38, 60, 79, 21, 91, 204, 86, 117, 58, 120, 58, 153, 62,
96     118, 66, 113, 86, 19, 99, 84, 95, 200, 70, 79, 54, 154, 66, 218, 78, 184, 82,
97     100, 101, 4, 114, 239, 94, 206, 66, 79, 54, 218, 78, 190, 115, 251, 82, 148,
98     106, 79, 110, 123, 119, 191, 115, 251, 86, 190, 115, 255, 127, 190, 115, 93,
99     95, 191, 107, 158, 107, 92, 95, 190, 115, 255, 127, 0, 0
100 ];
101 auto bmpStream16_1_5_5_5 = new ArrayStream(bmpData16_1_5_5_5);
102 img = loadBMP(bmpStream16_1_5_5_5);
103 
104 /*TODO: pixel comparisons
105  * GIMP shows slightly different pixel values on the same images.
106  */
107 
108 //16 bit X4 R4 G4 B4
109 ubyte[] bmpData16_4_4_4_4 = [
110     66, 77, 200, 0, 0, 0, 0, 0, 0, 0, 70, 0, 0, 0, 56, 0, 0, 0, 8, 0, 0, 0, 8, 0,
111     0, 0, 1, 0, 16, 0, 3, 0, 0, 0, 130, 0, 0, 0, 18, 11, 0, 0, 18, 11, 0, 0, 0, 0,
112     0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 240, 0, 0, 0, 15, 0, 0, 0, 0, 0, 0, 0, 255, 15,
113     238, 13, 205, 9, 223, 11, 223, 11, 206, 9, 238, 13, 255, 15, 238, 13, 140, 4,
114     206, 7, 220, 11, 183, 13, 170, 9, 140, 4, 238, 13, 156, 6, 106, 1, 140, 2, 185,
115     9, 195, 15, 163, 13, 123, 2, 140, 6, 156, 7, 139, 3, 173, 4, 206, 9, 202, 10,
116     166, 10, 154, 7, 156, 7, 172, 7, 155, 8, 152, 10, 201, 12, 201, 11, 180, 8,
117     151, 6, 172, 8, 189, 9, 172, 10, 98, 12, 130, 13, 183, 11, 167, 8, 135, 6, 189,
118     9, 238, 14, 189, 10, 170, 13, 151, 13, 221, 14, 239, 14, 189, 10, 238, 14, 255,
119     15, 239, 14, 222, 11, 239, 13, 238, 13, 206, 11, 238, 14, 255, 15, 0, 0
120 ];
121 auto bmpStream16_4_4_4_4 = new ArrayStream(bmpData16_4_4_4_4);
122 img = loadBMP(bmpStream16_4_4_4_4);
123 
124 /*TODO: pixel comparisons
125  * GIMP shows slightly different pixel values on the same images.
126  */
127 
128 //16 bit R5 G6 B5
129 ubyte[] bmpData16_5_6_5 = [
130     66, 77, 200, 0, 0, 0, 0, 0, 0, 0, 70, 0, 0, 0, 56, 0, 0, 0, 8, 0, 0, 0, 8, 0,
131     0, 0, 1, 0, 16, 0, 3, 0, 0, 0, 130, 0, 0, 0, 18, 11, 0, 0, 18, 11, 0, 0, 0, 0,
132     0, 0, 0, 0, 0, 0, 0, 248, 0, 0, 224, 7, 0, 0, 31, 0, 0, 0, 0, 0, 0, 0, 255,
133     255, 94, 223, 60, 158, 30, 183, 63, 183, 93, 150, 94, 223, 255, 255, 94, 223,
134     89, 76, 61, 126, 217, 190, 238, 221, 148, 157, 121, 76, 62, 223, 184, 108, 20,
135     19, 121, 36, 212, 157, 103, 254, 70, 229, 150, 43, 152, 100, 184, 116, 87, 52,
136     91, 77, 92, 158, 53, 182, 140, 173, 245, 116, 216, 116, 25, 125, 246, 132, 209,
137     172, 83, 198, 148, 190, 136, 141, 175, 108, 58, 133, 186, 157, 120, 165, 228,
138     202, 36, 228, 207, 189, 142, 133, 143, 108, 186, 157, 126, 231, 27, 166, 84,
139     213, 143, 220, 251, 238, 127, 231, 251, 173, 126, 231, 255, 255, 126, 231, 189,
140     190, 127, 215, 62, 215, 156, 190, 126, 231, 255, 255, 0, 0
141 ];
142 auto bmpStream16_5_6_5 = new ArrayStream(bmpData16_5_6_5);
143 img = loadBMP(bmpStream16_5_6_5);
144 
145 /*TODO: pixel comparisons
146  * GIMP shows slightly different pixel values on the same images.
147  */
148 
149 //4 bit
150 ubyte[] bmpData4 = [
151     66, 77, 150, 0, 0, 0, 0, 0, 0, 0, 118, 0, 0, 0, 40, 0, 0, 0, 8, 0, 0, 0, 8, 0,
152     0, 0, 1, 0, 4, 0, 0, 0, 0, 0, 32, 0, 0, 0, 196, 14, 0, 0, 196, 14, 0, 0, 0, 0,
153     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 128, 0, 0, 0, 128, 128, 0, 128,
154     0, 0, 0, 128, 0, 128, 0, 128, 128, 0, 0, 128, 128, 128, 0, 192, 192, 192, 0, 0,
155     0, 255, 0, 0, 255, 0, 0, 0, 255, 255, 0, 255, 0, 0, 0, 255, 0, 255, 0, 255,
156     255, 0, 0, 255, 255, 255, 0, 255, 136, 136, 255, 246, 136, 136, 111, 116, 103,
157     187, 103, 118, 104, 131, 119, 119, 120, 131, 119, 136, 147, 135, 40, 248, 135,
158     255, 143, 255, 255, 255, 255
159 ];
160 auto bmpStream4 = new ArrayStream(bmpData4);
161 img = loadBMP(bmpStream4);
162 assert(img[2,2].convert(8) == Color4(255,0,0,255));
163 assert(img[1,1].convert(8) == Color4(192,192,192,255));
164 assert(img[6,2].convert(8) == Color4(0,128,0,255));