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rename filters, document them

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This commit is contained in:
Sean Barrett
2014-09-12 05:28:24 -07:00
parent da2aa8f6b7
commit 29b36b3dea
2 changed files with 28 additions and 28 deletions
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36
tests/resample_test.cpp
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@ -584,7 +584,7 @@ void test_subpixel_4()
unsigned char output[8 * 8];
stbir_resize_region(image, 8, 8, 0, output, 8, 8, 0, STBIR_TYPE_UINT8, 1, STBIR_ALPHA_CHANNEL_NONE, 0, STBIR_EDGE_CLAMP, STBIR_EDGE_CLAMP, STBIR_FILTER_BILINEAR, STBIR_FILTER_BILINEAR, STBIR_COLORSPACE_LINEAR, &g_context, 0, 0, 1, 1);
stbir_resize_region(image, 8, 8, 0, output, 8, 8, 0, STBIR_TYPE_UINT8, 1, STBIR_ALPHA_CHANNEL_NONE, 0, STBIR_EDGE_CLAMP, STBIR_EDGE_CLAMP, STBIR_FILTER_TRIANGLE, STBIR_FILTER_TRIANGLE, STBIR_COLORSPACE_LINEAR, &g_context, 0, 0, 1, 1);
STBIR_ASSERT(memcmp(image, output, 8 * 8) == 0);
}
@ -672,26 +672,26 @@ void test_filters(void)
image88_int[j][i] = value;
verify_filter_normalized(STBIR_FILTER_BOX, 8, value);
verify_filter_normalized(STBIR_FILTER_BILINEAR, 8, value);
verify_filter_normalized(STBIR_FILTER_BICUBIC, 8, value);
verify_filter_normalized(STBIR_FILTER_TRIANGLE, 8, value);
verify_filter_normalized(STBIR_FILTER_CUBIC, 8, value);
verify_filter_normalized(STBIR_FILTER_CATMULLROM, 8, value);
verify_filter_normalized(STBIR_FILTER_MITCHELL, 8, value);
verify_filter_normalized(STBIR_FILTER_BOX, 4, value);
verify_filter_normalized(STBIR_FILTER_BILINEAR, 4, value);
verify_filter_normalized(STBIR_FILTER_BICUBIC, 4, value);
verify_filter_normalized(STBIR_FILTER_TRIANGLE, 4, value);
verify_filter_normalized(STBIR_FILTER_CUBIC, 4, value);
verify_filter_normalized(STBIR_FILTER_CATMULLROM, 4, value);
verify_filter_normalized(STBIR_FILTER_MITCHELL, 4, value);
verify_filter_normalized(STBIR_FILTER_BOX, 2, value);
verify_filter_normalized(STBIR_FILTER_BILINEAR, 2, value);
verify_filter_normalized(STBIR_FILTER_BICUBIC, 2, value);
verify_filter_normalized(STBIR_FILTER_TRIANGLE, 2, value);
verify_filter_normalized(STBIR_FILTER_CUBIC, 2, value);
verify_filter_normalized(STBIR_FILTER_CATMULLROM, 2, value);
verify_filter_normalized(STBIR_FILTER_MITCHELL, 2, value);
verify_filter_normalized(STBIR_FILTER_BOX, 1, value);
verify_filter_normalized(STBIR_FILTER_BILINEAR, 1, value);
verify_filter_normalized(STBIR_FILTER_BICUBIC, 1, value);
verify_filter_normalized(STBIR_FILTER_TRIANGLE, 1, value);
verify_filter_normalized(STBIR_FILTER_CUBIC, 1, value);
verify_filter_normalized(STBIR_FILTER_CATMULLROM, 1, value);
verify_filter_normalized(STBIR_FILTER_MITCHELL, 1, value);
@ -705,7 +705,7 @@ void test_filters(void)
for (j = 0; j < 100 * 100; ++j)
input[j] = v;
stbir_resize(input, 100, 100, 0, output, 11, 11, 0, STBIR_TYPE_UINT32, 1, STBIR_ALPHA_CHANNEL_NONE, 0, STBIR_EDGE_CLAMP, STBIR_EDGE_CLAMP, STBIR_FILTER_BILINEAR, STBIR_FILTER_BILINEAR, STBIR_COLORSPACE_LINEAR, NULL);
stbir_resize(input, 100, 100, 0, output, 11, 11, 0, STBIR_TYPE_UINT32, 1, STBIR_ALPHA_CHANNEL_NONE, 0, STBIR_EDGE_CLAMP, STBIR_EDGE_CLAMP, STBIR_FILTER_TRIANGLE, STBIR_FILTER_TRIANGLE, STBIR_COLORSPACE_LINEAR, NULL);
for (j = 0; j < 11 * 11; ++j)
STBIR_ASSERT(v == output[j]);
@ -821,8 +821,8 @@ void test_suite(int argc, char **argv)
for (o = -5; o <= 5; ++o) {
sums[0] += stbir__filter_mitchell(x + o, 1);
sums[1] += stbir__filter_catmullrom(x + o, 1);
sums[2] += stbir__filter_bicubic(x + o, 1);
sums[3] += stbir__filter_bilinear(x + o, 1);
sums[2] += stbir__filter_cubic(x + o, 1);
sums[3] += stbir__filter_triangle(x + o, 1);
sums[4] += stbir__filter_trapezoid(x + o, 0.5f);
}
for (i = 0; i < 5; ++i)
@ -837,9 +837,9 @@ void test_suite(int argc, char **argv)
for (o = -5; o <= 5; o += y) {
sums[0] += y * stbir__filter_mitchell(x + o, 1);
sums[1] += y * stbir__filter_catmullrom(x + o, 1);
sums[2] += y * stbir__filter_bicubic(x + o, 1);
sums[2] += y * stbir__filter_cubic(x + o, 1);
sums[4] += y * stbir__filter_trapezoid(x + o, 0.5f);
sums[3] += y * stbir__filter_bilinear(x + o, 1);
sums[3] += y * stbir__filter_triangle(x + o, 1);
}
for (i = 0; i < 3; ++i)
STBIR_ASSERT(sums[i] >= 1.0 - 0.0170 && sums[i] <= 1.0 + 0.0170);
@ -916,14 +916,14 @@ void test_suite(int argc, char **argv)
// filter tests
resize_image(barbara, 2, 2, STBIR_FILTER_BOX , STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-upsample-nearest.png");
resize_image(barbara, 2, 2, STBIR_FILTER_BILINEAR , STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-upsample-bilinear.png");
resize_image(barbara, 2, 2, STBIR_FILTER_BICUBIC , STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-upsample-bicubic.png");
resize_image(barbara, 2, 2, STBIR_FILTER_TRIANGLE , STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-upsample-bilinear.png");
resize_image(barbara, 2, 2, STBIR_FILTER_CUBIC , STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-upsample-bicubic.png");
resize_image(barbara, 2, 2, STBIR_FILTER_CATMULLROM, STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-upsample-catmullrom.png");
resize_image(barbara, 2, 2, STBIR_FILTER_MITCHELL , STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-upsample-mitchell.png");
resize_image(barbara, 0.5f, 0.5f, STBIR_FILTER_BOX , STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-downsample-nearest.png");
resize_image(barbara, 0.5f, 0.5f, STBIR_FILTER_BILINEAR , STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-downsample-bilinear.png");
resize_image(barbara, 0.5f, 0.5f, STBIR_FILTER_BICUBIC , STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-downsample-bicubic.png");
resize_image(barbara, 0.5f, 0.5f, STBIR_FILTER_TRIANGLE , STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-downsample-bilinear.png");
resize_image(barbara, 0.5f, 0.5f, STBIR_FILTER_CUBIC , STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-downsample-bicubic.png");
resize_image(barbara, 0.5f, 0.5f, STBIR_FILTER_CATMULLROM, STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-downsample-catmullrom.png");
resize_image(barbara, 0.5f, 0.5f, STBIR_FILTER_MITCHELL , STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB, "test-output/barbara-downsample-mitchell.png");