11176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#include <stdio.h> 21176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#include <stdlib.h> 31176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#include "pixman.h" 41176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#include "gtk-utils.h" 51176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 61176bdada62cabc6ec4b0308a930e83b679d5d36John Reckint 71176bdada62cabc6ec4b0308a930e83b679d5d36John Reckmain (int argc, char **argv) 81176bdada62cabc6ec4b0308a930e83b679d5d36John Reck{ 91176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#define WIDTH 400 101176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#define HEIGHT 200 111176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 121176bdada62cabc6ec4b0308a930e83b679d5d36John Reck uint32_t *dest = malloc (WIDTH * HEIGHT * 4); 131176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_t *src_img; 141176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_t *dest_img; 151176bdada62cabc6ec4b0308a930e83b679d5d36John Reck int i; 161176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_gradient_stop_t stops[2] = 171176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { 181176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { pixman_int_to_fixed (0), { 0x0000, 0x0000, 0xffff, 0xffff } }, 191176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { pixman_int_to_fixed (1), { 0xffff, 0x1111, 0x1111, 0xffff } } 201176bdada62cabc6ec4b0308a930e83b679d5d36John Reck }; 211176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_point_fixed_t p1 = { pixman_double_to_fixed (50), 0 }; 221176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_point_fixed_t p2 = { pixman_double_to_fixed (200), 0 }; 231176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#if 0 241176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_transform_t trans = { 251176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { { pixman_double_to_fixed (2), pixman_double_to_fixed (0.5), pixman_double_to_fixed (-100), }, 261176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { pixman_double_to_fixed (0), pixman_double_to_fixed (3), pixman_double_to_fixed (0), }, 271176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { pixman_double_to_fixed (0), pixman_double_to_fixed (0.000), pixman_double_to_fixed (1.0) } 281176bdada62cabc6ec4b0308a930e83b679d5d36John Reck } 291176bdada62cabc6ec4b0308a930e83b679d5d36John Reck }; 301176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#else 311176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_transform_t trans = { 321176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { { pixman_fixed_1, 0, 0 }, 331176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { 0, pixman_fixed_1, 0 }, 341176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { 0, 0, pixman_fixed_1 } } 351176bdada62cabc6ec4b0308a930e83b679d5d36John Reck }; 361176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#endif 371176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 381176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#if 0 391176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_point_fixed_t c_inner; 401176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_point_fixed_t c_outer; 411176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_fixed_t r_inner; 421176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_fixed_t r_outer; 431176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#endif 441176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 451176bdada62cabc6ec4b0308a930e83b679d5d36John Reck for (i = 0; i < WIDTH * HEIGHT; ++i) 461176bdada62cabc6ec4b0308a930e83b679d5d36John Reck dest[i] = 0xff00ff00; 471176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 481176bdada62cabc6ec4b0308a930e83b679d5d36John Reck dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, 491176bdada62cabc6ec4b0308a930e83b679d5d36John Reck WIDTH, HEIGHT, 501176bdada62cabc6ec4b0308a930e83b679d5d36John Reck dest, 511176bdada62cabc6ec4b0308a930e83b679d5d36John Reck WIDTH * 4); 521176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 531176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#if 0 541176bdada62cabc6ec4b0308a930e83b679d5d36John Reck c_inner.x = pixman_double_to_fixed (50.0); 551176bdada62cabc6ec4b0308a930e83b679d5d36John Reck c_inner.y = pixman_double_to_fixed (50.0); 561176bdada62cabc6ec4b0308a930e83b679d5d36John Reck c_outer.x = pixman_double_to_fixed (50.0); 571176bdada62cabc6ec4b0308a930e83b679d5d36John Reck c_outer.y = pixman_double_to_fixed (50.0); 581176bdada62cabc6ec4b0308a930e83b679d5d36John Reck r_inner = 0; 591176bdada62cabc6ec4b0308a930e83b679d5d36John Reck r_outer = pixman_double_to_fixed (50.0); 601176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 611176bdada62cabc6ec4b0308a930e83b679d5d36John Reck src_img = pixman_image_create_conical_gradient (&c_inner, r_inner, 621176bdada62cabc6ec4b0308a930e83b679d5d36John Reck stops, 2); 631176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#endif 641176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#if 0 651176bdada62cabc6ec4b0308a930e83b679d5d36John Reck src_img = pixman_image_create_conical_gradient (&c_inner, r_inner, 661176bdada62cabc6ec4b0308a930e83b679d5d36John Reck stops, 2); 671176bdada62cabc6ec4b0308a930e83b679d5d36John Reck src_img = pixman_image_create_linear_gradient (&c_inner, &c_outer, 681176bdada62cabc6ec4b0308a930e83b679d5d36John Reck r_inner, r_outer, 691176bdada62cabc6ec4b0308a930e83b679d5d36John Reck stops, 2); 701176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#endif 711176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 721176bdada62cabc6ec4b0308a930e83b679d5d36John Reck src_img = pixman_image_create_linear_gradient (&p1, &p2, 731176bdada62cabc6ec4b0308a930e83b679d5d36John Reck stops, 2); 741176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 751176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_set_transform (src_img, &trans); 761176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_set_repeat (src_img, PIXMAN_REPEAT_NONE); 771176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 781176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_composite (PIXMAN_OP_OVER, src_img, NULL, dest_img, 791176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 0, 0, 0, 0, 0, 0, 10 * WIDTH, HEIGHT); 801176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 811176bdada62cabc6ec4b0308a930e83b679d5d36John Reck printf ("0, 0: %x\n", dest[0]); 821176bdada62cabc6ec4b0308a930e83b679d5d36John Reck printf ("10, 10: %x\n", dest[10 * 10 + 10]); 831176bdada62cabc6ec4b0308a930e83b679d5d36John Reck printf ("w, h: %x\n", dest[(HEIGHT - 1) * 100 + (WIDTH - 1)]); 841176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 851176bdada62cabc6ec4b0308a930e83b679d5d36John Reck show_image (dest_img); 861176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 871176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_unref (src_img); 881176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_unref (dest_img); 891176bdada62cabc6ec4b0308a930e83b679d5d36John Reck free (dest); 901176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 911176bdada62cabc6ec4b0308a930e83b679d5d36John Reck return 0; 921176bdada62cabc6ec4b0308a930e83b679d5d36John Reck} 93