11176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#include <stdio.h> 21176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#include <stdlib.h> 31176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#include "pixman.h" 41176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#include "gtk-utils.h" 51176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 61176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#define WIDTH 200 71176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#define HEIGHT 200 81176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 91176bdada62cabc6ec4b0308a930e83b679d5d36John Reckstatic pixman_image_t * 101176bdada62cabc6ec4b0308a930e83b679d5d36John Reckcreate_solid_bits (uint32_t pixel) 111176bdada62cabc6ec4b0308a930e83b679d5d36John Reck{ 121176bdada62cabc6ec4b0308a930e83b679d5d36John Reck uint32_t *pixels = malloc (WIDTH * HEIGHT * 4); 131176bdada62cabc6ec4b0308a930e83b679d5d36John Reck int i; 141176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 151176bdada62cabc6ec4b0308a930e83b679d5d36John Reck for (i = 0; i < WIDTH * HEIGHT; ++i) 161176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixels[i] = pixel; 171176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 181176bdada62cabc6ec4b0308a930e83b679d5d36John Reck return pixman_image_create_bits (PIXMAN_a8r8g8b8, 191176bdada62cabc6ec4b0308a930e83b679d5d36John Reck WIDTH, HEIGHT, 201176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixels, 211176bdada62cabc6ec4b0308a930e83b679d5d36John Reck WIDTH * 4); 221176bdada62cabc6ec4b0308a930e83b679d5d36John Reck} 231176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 241176bdada62cabc6ec4b0308a930e83b679d5d36John Reckint 251176bdada62cabc6ec4b0308a930e83b679d5d36John Reckmain (int argc, char **argv) 261176bdada62cabc6ec4b0308a930e83b679d5d36John Reck{ 271176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_t *gradient_img; 281176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_t *src_img, *dst_img; 291176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_gradient_stop_t stops[2] = 301176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { 311176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { pixman_int_to_fixed (0), { 0xffff, 0x0000, 0x0000, 0xffff } }, 321176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { pixman_int_to_fixed (1), { 0xffff, 0xffff, 0x0000, 0xffff } } 331176bdada62cabc6ec4b0308a930e83b679d5d36John Reck }; 341176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#if 0 351176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_point_fixed_t p1 = { 0, 0 }; 361176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_point_fixed_t p2 = { pixman_int_to_fixed (WIDTH), 371176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_int_to_fixed (HEIGHT) }; 381176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#endif 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 pixman_region32_t clip_region; 441176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_transform_t trans = { 451176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { { pixman_double_to_fixed (1.3), pixman_double_to_fixed (0), pixman_double_to_fixed (-0.5), }, 461176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { pixman_double_to_fixed (0), pixman_double_to_fixed (1), pixman_double_to_fixed (-0.5), }, 471176bdada62cabc6ec4b0308a930e83b679d5d36John Reck { pixman_double_to_fixed (0), pixman_double_to_fixed (0), pixman_double_to_fixed (1.0) } 481176bdada62cabc6ec4b0308a930e83b679d5d36John Reck } 491176bdada62cabc6ec4b0308a930e83b679d5d36John Reck }; 501176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 511176bdada62cabc6ec4b0308a930e83b679d5d36John Reck src_img = create_solid_bits (0xff0000ff); 521176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 531176bdada62cabc6ec4b0308a930e83b679d5d36John Reck c_inner.x = pixman_double_to_fixed (100.0); 541176bdada62cabc6ec4b0308a930e83b679d5d36John Reck c_inner.y = pixman_double_to_fixed (100.0); 551176bdada62cabc6ec4b0308a930e83b679d5d36John Reck c_outer.x = pixman_double_to_fixed (100.0); 561176bdada62cabc6ec4b0308a930e83b679d5d36John Reck c_outer.y = pixman_double_to_fixed (100.0); 571176bdada62cabc6ec4b0308a930e83b679d5d36John Reck r_inner = 0; 581176bdada62cabc6ec4b0308a930e83b679d5d36John Reck r_outer = pixman_double_to_fixed (100.0); 591176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 601176bdada62cabc6ec4b0308a930e83b679d5d36John Reck gradient_img = pixman_image_create_radial_gradient (&c_inner, &c_outer, 611176bdada62cabc6ec4b0308a930e83b679d5d36John Reck r_inner, r_outer, 621176bdada62cabc6ec4b0308a930e83b679d5d36John Reck stops, 2); 631176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 641176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#if 0 651176bdada62cabc6ec4b0308a930e83b679d5d36John Reck gradient_img = pixman_image_create_linear_gradient (&p1, &p2, 661176bdada62cabc6ec4b0308a930e83b679d5d36John Reck stops, 2); 671176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 681176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#endif 691176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 701176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_composite (PIXMAN_OP_OVER, gradient_img, NULL, src_img, 711176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); 721176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 731176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_region32_init_rect (&clip_region, 50, 0, 100, 200); 741176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_set_clip_region32 (src_img, &clip_region); 751176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_set_source_clipping (src_img, TRUE); 761176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_set_has_client_clip (src_img, TRUE); 771176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_set_transform (src_img, &trans); 781176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_set_repeat (src_img, PIXMAN_REPEAT_NORMAL); 791176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 801176bdada62cabc6ec4b0308a930e83b679d5d36John Reck dst_img = create_solid_bits (0xffff0000); 811176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_composite (PIXMAN_OP_OVER, src_img, NULL, dst_img, 821176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); 831176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 841176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 851176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#if 0 861176bdada62cabc6ec4b0308a930e83b679d5d36John Reck printf ("0, 0: %x\n", src[0]); 871176bdada62cabc6ec4b0308a930e83b679d5d36John Reck printf ("10, 10: %x\n", src[10 * 10 + 10]); 881176bdada62cabc6ec4b0308a930e83b679d5d36John Reck printf ("w, h: %x\n", src[(HEIGHT - 1) * 100 + (WIDTH - 1)]); 891176bdada62cabc6ec4b0308a930e83b679d5d36John Reck#endif 901176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 911176bdada62cabc6ec4b0308a930e83b679d5d36John Reck show_image (dst_img); 921176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 931176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_unref (gradient_img); 941176bdada62cabc6ec4b0308a930e83b679d5d36John Reck pixman_image_unref (src_img); 951176bdada62cabc6ec4b0308a930e83b679d5d36John Reck 961176bdada62cabc6ec4b0308a930e83b679d5d36John Reck return 0; 971176bdada62cabc6ec4b0308a930e83b679d5d36John Reck} 98