Function test_float

engine/3rdparty/stb/tests/resample_test.cpp:271–301

}

void test_float(const char* file, float width_percent, float height_percent, stbir_datatype type, stbir_colorspace colorspace)
{
	int w, h, n;
	unsigned char* input_data = stbi_load(file, &w, &h, &n, 0);

	if (input_data == NULL)
		return;

	int new_w = (int)(w * width_percent);
	int new_h = (int)(h * height_percent);

	float* T_data = (float*)malloc(w * h * n * sizeof(float));
	convert_image_float(input_data, T_data, w * h * n);

	float* output_data = (float*)malloc(new_w * new_h * n * sizeof(float));

	stbir_resize_float_generic(T_data, w, h, 0, output_data, new_w, new_h, 0, n, STBIR_ALPHA_CHANNEL_NONE, 0, STBIR_EDGE_CLAMP, STBIR_FILTER_CATMULLROM, colorspace, &g_context);

	free(T_data);
	stbi_image_free(input_data);

	unsigned char* char_data = (unsigned char*)malloc(new_w * new_h * n * sizeof(char));
	convert_image_float(output_data, char_data, new_w * new_h * n);

	char output[200];
	sprintf(output, "test-output/type-%d-%d-%d-%d-%s", type, colorspace, new_w, new_h, file);
	stbi_write_png(output, new_w, new_h, n, char_data, 0);

	free(char_data);
	free(output_data);
}

void test_channels(const char* file, float width_percent, float height_percent, int channels)
{