Commit | Line | Data |
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80f575fc DM |
1 | #include <assert.h> |
2 | ||
3 | #include "testutils.h" | |
4 | #include "libvidstab.h" | |
5 | #include "transformtype_operations.h" | |
6 | ||
7 | void paintRectangle(unsigned char* buffer, const VSFrameInfo* fi, int x, int y, int sizex, int sizey, unsigned char color){ | |
8 | if(x>=0 && x+sizex < fi->width && y>=0 && y+sizey < fi->height){ | |
9 | int i,j; | |
10 | for(j=y; j < y+sizey; j++){ | |
11 | for(i=x; i<x+sizex; i++){ | |
12 | buffer[j*fi->width + i] = color; | |
13 | } | |
14 | } | |
15 | ||
16 | } | |
17 | } | |
18 | ||
19 | /// corr: correlation length of noise | |
20 | void fillArrayWithNoise(unsigned char* buffer, int length, float corr){ | |
21 | unsigned char avg=randPixel(); | |
22 | int i=0; | |
23 | if(corr<1) corr=1; | |
24 | float alpha = 1.0/corr; | |
25 | for(i=0; i < length; i++){ | |
26 | buffer[i] = avg; | |
27 | avg = avg * (1.0-alpha) + randPixel()*alpha; | |
28 | } | |
29 | } | |
30 | ||
31 | VSTransform getTestFrameTransform(int i){ | |
32 | VSTransform t = null_transform(); | |
33 | t.x = ( (i%2)==0 ? -1 : 1) *i*5; | |
34 | t.y = ( (i%3)==0 ? 1 : -1) *i*5; | |
35 | t.alpha = (i<3 ? 0 : 1) * (i)*1*M_PI/(180.0); | |
36 | t.zoom = 0; | |
37 | return t; | |
38 | } | |
39 | ||
40 | static int readNumber (const char* filename, FILE *f) | |
41 | { | |
42 | int c,n=0; | |
43 | for(;;) { | |
44 | c = fgetc(f); | |
45 | if (c==EOF) | |
46 | vs_log_error("TEST", "unexpected end of file in '%s'", filename); | |
47 | if (c >= '0' && c <= '9') n = n*10 + (c - '0'); | |
48 | else { | |
49 | ungetc (c,f); | |
50 | return n; | |
51 | } | |
52 | } | |
53 | } | |
54 | ||
55 | ||
56 | static void skipWhiteSpace (const char* filename, FILE *f) | |
57 | { | |
58 | int c,d; | |
59 | for(;;) { | |
60 | c = fgetc(f); | |
61 | if (c==EOF) | |
62 | vs_log_error("TEST", "unexpected end of file in '%s'", filename); | |
63 | ||
64 | // skip comments | |
65 | if (c == '#') { | |
66 | do { | |
67 | d = fgetc(f); | |
68 | if (d==EOF) | |
69 | vs_log_error("TEST", "unexpected end of file in '%s'", filename); | |
70 | } while (d != '\n'); | |
71 | continue; | |
72 | } | |
73 | ||
74 | if (c > ' ') { | |
75 | ungetc (c,f); | |
76 | return; | |
77 | } | |
78 | } | |
79 | } | |
80 | ||
81 | int loadPGMImage(const char* filename, VSFrame* frame, VSFrameInfo* fi) | |
82 | { | |
83 | FILE *f = fopen (filename,"rb"); | |
84 | if (!f) { | |
85 | vs_log_error("TEST", "Can't open image file '%s'", filename); | |
86 | return 0; | |
87 | } | |
88 | ||
89 | // read in header | |
90 | if (fgetc(f) != 'P' || fgetc(f) != '2') | |
91 | vs_log_error("TEST","image file ist not binary PGM (no P5 header) '%s'", filename); | |
92 | skipWhiteSpace (filename,f); | |
93 | ||
94 | // read in image parameters | |
95 | fi->width = readNumber (filename,f); | |
96 | skipWhiteSpace (filename,f); | |
97 | fi->height = readNumber (filename,f); | |
98 | skipWhiteSpace (filename,f); | |
99 | int max_value = readNumber (filename,f); | |
100 | ||
101 | // check values | |
102 | if (fi->width < 1 || fi->height < 1) | |
103 | vs_log_error("TEST", "bad image file '%s'", filename); | |
104 | if (max_value != 255) | |
105 | vs_log_error("TEST", "image file '%s' must have color range 255", filename); | |
106 | ||
107 | // read either nothing, LF (10), or CR,LF (13,10) | |
108 | int c = fgetc(f); | |
109 | if (c == 10) { | |
110 | // LF | |
111 | } | |
112 | else if (c == 13) { | |
113 | // CR | |
114 | c = fgetc(f); | |
115 | if (c != 10) ungetc (c,f); | |
116 | } | |
117 | else ungetc (c,f); | |
118 | ||
119 | ||
120 | // read in rest of data | |
121 | vsFrameAllocate(frame,fi); | |
122 | if (fread( frame->data[0], fi->width*fi->height, 1, f) != 1){ | |
123 | vs_log_error("TEST", "Can't read data from image file '%s'", filename); | |
124 | return 0; | |
125 | } | |
126 | fclose (f); | |
127 | return 1; | |
128 | } | |
129 | ||
130 | ||
131 | int storePGMImage(const char* filename, const uint8_t* data, VSFrameInfo fi ) { | |
132 | FILE *f = fopen (filename,"wb"); | |
133 | if (!f) { | |
134 | vs_log_error("TEST", "Can't open image file '%s'", filename); | |
135 | return 0; | |
136 | } | |
137 | ||
138 | // write header | |
139 | fprintf(f,"P5\n"); | |
140 | fprintf(f,"# CREATOR test suite of vid.stab\n"); | |
141 | fprintf(f,"%i %i\n", fi.width, fi.height); | |
142 | fprintf(f,"255\n"); | |
143 | ||
144 | // write data | |
145 | if (fwrite( data, fi.width*fi.height, 1, f) != 1){ | |
146 | vs_log_error("TEST", "Can't write to image file '%s'", filename); | |
147 | return 0; | |
148 | } | |
149 | fclose (f); | |
150 | return 1; | |
151 | } | |
152 |