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Allow specifying a stride.

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This commit is contained in:
Jorge Rodriguez
2014-07-21 18:01:05 -07:00
parent 06b7b00696
commit ba861fa493
2 changed files with 16 additions and 12 deletions
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10
tests/resample_test.c
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@ -19,7 +19,7 @@ int main(int argc, char** argv)
unsigned char* output_data;
int w, h;
int n;
int out_w, out_h;
int out_w, out_h, out_stride;
if (argc <= 1)
{
@ -36,12 +36,14 @@ int main(int argc, char** argv)
out_w = 512;
out_h = 512;
out_stride = (out_w + 10) * n;
output_data = malloc(out_w * out_h * n);
output_data = malloc(out_stride * out_h);
stbr_resize(input_data, w, h, n, output_data, out_w, out_h, STBR_FILTER_NEAREST, STBR_EDGE_CLAMP);
// Cut out the outside 64 pixels all around to test the stride.
stbr_resize(input_data + w*64*n + 64*n, w - 128, h - 128, n, w*n, output_data, out_w, out_h, out_stride, STBR_FILTER_NEAREST, STBR_EDGE_CLAMP);
stbi_write_png("output.png", out_w, out_h, n, output_data, out_w * n);
stbi_write_png("output.png", out_w, out_h, n, output_data, out_stride);
free(output_data);