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checkboard test to verify srgb

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This commit is contained in:
Sean Barrett 2014-09-12 05:04:38 -07:00
parent a9778b8dbd
commit da2aa8f6b7
1 changed files with 15 additions and 1 deletions
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16
tests/resample_test.cpp
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@ -754,12 +754,26 @@ void test_filters(void)
// checkerboard // checkerboard
{ {
unsigned char input[64][64];
unsigned char output[16][16];
int i,j;
for (j=0; j < 64; ++j)
for (i=0; i < 64; ++i)
input[j][i] = (i^j)&1 ? 255 : 0;
stbir_resize_uint8_generic(input[0], 64, 64, 0, output[0],16,16,0, 1,-1,0,STBIR_EDGE_WRAP,STBIR_FILTER_DEFAULT,STBIR_COLORSPACE_LINEAR,0);
for (j=0; j < 16; ++j)
for (i=0; i < 16; ++i)
STBIR_ASSERT(output[j][i] == 128);
stbir_resize_uint8_srgb_edgemode(input[0], 64, 64, 0, output[0],16,16,0, 1,-1,0,STBIR_EDGE_WRAP);
for (j=0; j < 16; ++j)
for (i=0; i < 16; ++i)
STBIR_ASSERT(output[j][i] == 188);
} }
{ {
// Now for some fun. // Test trapezoid box filter
unsigned char input[2 * 1]; unsigned char input[2 * 1];
unsigned char output[127 * 1]; unsigned char output[127 * 1];