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74 lines
1.7 KiB
C

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