82 lines
2 KiB
C
82 lines
2 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <fbgfx/surface.h>
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void test_rgba(SURFACE_FLAGS flags) {
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SURFACE *surface = surface_create(100, 100, SURFACE_FORMAT_RGBA, flags);
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assert(surface != NULL);
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// set + get
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{
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COLOR color = color_create_rgba(255, 0, 0, 255);
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surface_set_pixel(surface, 20, 10, color);
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COLOR read_color = surface_get_pixel(surface, 20, 10);
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assert(read_color != 0);
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assert(color == read_color);
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}
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// get (out of bounds, clipped)
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{
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COLOR read_color = surface_get_pixel(surface, -1, -1);
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assert(read_color == 0);
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}
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surface_destroy(surface);
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}
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void test_rgb(SURFACE_FLAGS flags) {
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SURFACE *surface = surface_create(100, 100, SURFACE_FORMAT_RGB, flags);
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assert(surface != NULL);
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// set + get
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{
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COLOR color = color_create_rgb(255, 0, 0);
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surface_set_pixel(surface, 20, 10, color);
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COLOR read_color = surface_get_pixel(surface, 20, 10);
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assert(read_color != 0);
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assert(color == read_color);
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}
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// get (out of bounds, clipped)
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{
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COLOR read_color = surface_get_pixel(surface, -1, -1);
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assert(read_color == 0);
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}
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surface_destroy(surface);
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}
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void test_alpha(SURFACE_FLAGS flags) {
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SURFACE *surface = surface_create(100, 100, SURFACE_FORMAT_ALPHA, flags);
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assert(surface != NULL);
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// set + get
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// destination surface is alpha-only. setting RGB/RGBA colors drops the RGB portion
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// and keeps only the alpha component, setting it in the destination
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{
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COLOR color = color_create_rgba(255, 0, 0, 255);
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surface_set_pixel(surface, 20, 10, color);
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COLOR read_color = surface_get_pixel(surface, 20, 10);
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assert(read_color != 0);
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assert(color != read_color);
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assert(read_color = color_create_rgba(0, 0, 0, 255));
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}
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// get (out of bounds, clipped)
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{
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COLOR read_color = surface_get_pixel(surface, -1, -1);
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assert(read_color == 0);
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}
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surface_destroy(surface);
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}
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int main(int argc, char **argv) {
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test_rgba(SURFACE_FLAGS_NONE);
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test_rgb(SURFACE_FLAGS_NONE);
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test_alpha(SURFACE_FLAGS_NONE);
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return 0;
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}
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