1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*************************************************************************
* Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
* *
* This file is part of The Dimension Test Suite. *
* *
* Dimension is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* Dimension is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
#include "../libdimension/dimension.h"
#include "../libdimension-png/dimension-png.h"
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
int main() {
dmnsn_canvas *canvas;
dmnsn_sRGB sRGB;
dmnsn_color color;
FILE *ofile, *ifile;
unsigned int x, y;
dmnsn_set_resilience(DMNSN_SEVERITY_LOW);
canvas = dmnsn_new_canvas(333, 300);
if (!canvas) {
fprintf(stderr, "--- Allocation of canvas failed! ---\n");
return EXIT_FAILURE;
}
ofile = fopen("dimension1.png", "wb");
if (!ofile) {
fprintf(stderr, "--- Opening 'dimension1.png' for writing failed! ---\n");
return EXIT_FAILURE;
}
for (x = 0; x < canvas->x; ++x) {
for (y = 0; y < canvas->y; ++y) {
if (x < canvas->x/3) {
sRGB.R = 1.0;
sRGB.G = 0.0;
sRGB.B = 0.0;
} else if (x < 2*canvas->x/3) {
sRGB.R = 0.0;
sRGB.G = 1.0;
sRGB.B = 0.0;
} else {
sRGB.R = 0.0;
sRGB.G = 0.0;
sRGB.B = 1.0;
}
color = dmnsn_color_from_sRGB(sRGB);
if (y < canvas->y/3) {
color.filter = 0.0;
color.trans = 0.0;
} else if (y < 2*canvas->y/3) {
color.filter = 1.0/3.0;
color.trans = 0.0;
} else {
color.filter = 1.0/3.0;
color.trans = 1.0/3.0;
}
dmnsn_set_pixel(canvas, color, x, y);
}
}
if (dmnsn_png_write_canvas(canvas, ofile)) {
fprintf(stderr, "--- Writing canvas failed! ---\n");
return EXIT_FAILURE;
}
dmnsn_delete_canvas(canvas);
fclose(ofile);
ifile = fopen("dimension1.png", "rb");
if (!ifile) {
fprintf(stderr, "--- Opening 'dimension1.png' for reading failed! ---\n");
return EXIT_FAILURE;
}
if (dmnsn_png_read_canvas(&canvas, ifile)) {
fprintf(stderr, "--- Reading canvas failed! ---\n");
return EXIT_FAILURE;
}
fclose(ifile);
ofile = fopen("dimension2.png", "wb");
if (!ofile) {
fprintf(stderr, "--- Opening 'dimension2.png' for writing failed! ---\n");
return EXIT_FAILURE;
}
if (dmnsn_png_write_canvas(canvas, ofile)) {
fprintf(stderr, "--- Writing canvas failed! ---\n");
return EXIT_FAILURE;
}
dmnsn_delete_canvas(canvas);
return EXIT_SUCCESS;
}
|