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71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include "images/images.h"
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void test_transparency();
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void test_4k_gradient();
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int main(int argc, char* argv[]) {
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test_transparency();
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test_4k_gradient();
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}
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void test_transparency() {
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Image img;
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Color white = color_new(255,255,255);
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Color green = color_new(0,255,0);
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Color blue = color_new(30,50,210);
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Color black = color_new(0,0,0);
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image_new(512, 512, &img);
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// make it white
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image_draw_rect(img, 0, 0, 512, 512, white);
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// draw some circs
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blue.alpha = 0.5;
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image_draw_circ(img, 255,255, 100, blue);
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image_draw_circ(img, 255,155, 100, blue);
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image_draw_circ(img, 255,355, 100, blue);
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green.alpha = .6;
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image_draw_circ(img, 255, 255, 12, green);
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// draw a couple of rects
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black.alpha = 0.5;
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white.alpha = 0.5;
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image_draw_square(img, 200, 255, 111, black);
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image_draw_square(img, 200, 255, 101, white);
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if (!image_save_bmp(img, "test-transparency.bmp")) {
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printf("error writing file!\n");
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} else {
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printf("writing finished\n");
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}
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image_destroy(img);
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}
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void test_4k_gradient() {
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printf("allocating image\n");
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Image img;
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image_new(1920 * 4,1080 * 4, &img);
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printf("writing pixies\n");
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for (int i = 0; i < 1920 * 4; i++) {
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for (int j = 0; j < 1080 * 4; j++) {
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float color = (j / (1080.0f * 4)) * 255;
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image_set_px(img, i, j, (int) color, 255, 255);
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}
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}
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printf("writing file to disk\n");
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if (!image_save_bmp(img, "test-4k.bmp")) {
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printf("error writing file!\n");
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} else {
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printf("writing finished\n");
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}
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image_destroy(img);
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printf("image destroyed\n");
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} |