Blame demos/tri-test.c

Packit 030a23
#include <stdio.h>
Packit 030a23
#include <stdlib.h>
Packit 030a23
#include <string.h>
Packit 030a23
#include "../test/utils.h"
Packit 030a23
#include "gtk-utils.h"
Packit 030a23
Packit 030a23
int
Packit 030a23
main (int argc, char **argv)
Packit 030a23
{
Packit 030a23
#define WIDTH 200
Packit 030a23
#define HEIGHT 200
Packit 030a23
Packit 030a23
#define POINT(x,y)							\
Packit 030a23
    { pixman_double_to_fixed ((x)), pixman_double_to_fixed ((y)) }
Packit 030a23
    
Packit 030a23
    pixman_image_t *src_img, *dest_img;
Packit 030a23
    pixman_triangle_t tris[4] =
Packit 030a23
    {
Packit 030a23
	{ POINT (100, 100), POINT (10, 50), POINT (110, 10) },
Packit 030a23
	{ POINT (100, 100), POINT (150, 10), POINT (200, 50) },
Packit 030a23
	{ POINT (100, 100), POINT (10, 170), POINT (90, 175) },
Packit 030a23
	{ POINT (100, 100), POINT (170, 150), POINT (120, 190) },
Packit 030a23
    };
Packit 030a23
    pixman_color_t color = { 0x4444, 0x4444, 0xffff, 0xffff };
Packit 030a23
    uint32_t *bits = malloc (WIDTH * HEIGHT * 4);
Packit 030a23
    int i;
Packit 030a23
Packit 030a23
    for (i = 0; i < WIDTH * HEIGHT; ++i)
Packit 030a23
	bits[i] = (i / HEIGHT) * 0x01010000;
Packit 030a23
    
Packit 030a23
    src_img = pixman_image_create_solid_fill (&color;;
Packit 030a23
    dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, bits, WIDTH * 4);
Packit 030a23
    
Packit 030a23
    pixman_composite_triangles (PIXMAN_OP_ATOP_REVERSE,
Packit 030a23
				src_img,
Packit 030a23
				dest_img,
Packit 030a23
				PIXMAN_a8,
Packit 030a23
				200, 200,
Packit 030a23
				-5, 5,
Packit 030a23
				ARRAY_LENGTH (tris), tris);
Packit 030a23
    show_image (dest_img);
Packit 030a23
    
Packit 030a23
    pixman_image_unref (src_img);
Packit 030a23
    pixman_image_unref (dest_img);
Packit 030a23
    free (bits);
Packit 030a23
    
Packit 030a23
    return 0;
Packit 030a23
}