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-rw-r--r--qemu/pixman/demos/alpha-test.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/qemu/pixman/demos/alpha-test.c b/qemu/pixman/demos/alpha-test.c
deleted file mode 100644
index 54e30fad5..000000000
--- a/qemu/pixman/demos/alpha-test.c
+++ /dev/null
@@ -1,119 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include "pixman.h"
-#include "gtk-utils.h"
-
-int
-main (int argc, char **argv)
-{
-#define WIDTH 400
-#define HEIGHT 200
-
- uint32_t *alpha = malloc (WIDTH * HEIGHT * 4);
- uint32_t *dest = malloc (WIDTH * HEIGHT * 4);
- uint32_t *src = malloc (WIDTH * HEIGHT * 4);
- pixman_image_t *grad_img;
- pixman_image_t *alpha_img;
- pixman_image_t *dest_img;
- pixman_image_t *src_img;
- int i;
- pixman_gradient_stop_t stops[2] =
- {
- { pixman_int_to_fixed (0), { 0x0000, 0x0000, 0x0000, 0x0000 } },
- { pixman_int_to_fixed (1), { 0xffff, 0x0000, 0x1111, 0xffff } }
- };
- pixman_point_fixed_t p1 = { pixman_double_to_fixed (0), 0 };
- pixman_point_fixed_t p2 = { pixman_double_to_fixed (WIDTH),
- pixman_int_to_fixed (0) };
-#if 0
- pixman_transform_t trans = {
- { { pixman_double_to_fixed (2), pixman_double_to_fixed (0.5), pixman_double_to_fixed (-100), },
- { pixman_double_to_fixed (0), pixman_double_to_fixed (3), pixman_double_to_fixed (0), },
- { pixman_double_to_fixed (0), pixman_double_to_fixed (0.000), pixman_double_to_fixed (1.0) }
- }
- };
-#else
- pixman_transform_t trans = {
- { { pixman_fixed_1, 0, 0 },
- { 0, pixman_fixed_1, 0 },
- { 0, 0, pixman_fixed_1 } }
- };
-#endif
-
-#if 0
- pixman_point_fixed_t c_inner;
- pixman_point_fixed_t c_outer;
- pixman_fixed_t r_inner;
- pixman_fixed_t r_outer;
-#endif
-
- for (i = 0; i < WIDTH * HEIGHT; ++i)
- alpha[i] = 0x4f00004f; /* pale blue */
-
- alpha_img = pixman_image_create_bits (PIXMAN_a8r8g8b8,
- WIDTH, HEIGHT,
- alpha,
- WIDTH * 4);
-
- for (i = 0; i < WIDTH * HEIGHT; ++i)
- dest[i] = 0xffffff00; /* yellow */
-
- dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8,
- WIDTH, HEIGHT,
- dest,
- WIDTH * 4);
-
- for (i = 0; i < WIDTH * HEIGHT; ++i)
- src[i] = 0xffff0000;
-
- src_img = pixman_image_create_bits (PIXMAN_a8r8g8b8,
- WIDTH, HEIGHT,
- src,
- WIDTH * 4);
-
-#if 0
- c_inner.x = pixman_double_to_fixed (50.0);
- c_inner.y = pixman_double_to_fixed (50.0);
- c_outer.x = pixman_double_to_fixed (50.0);
- c_outer.y = pixman_double_to_fixed (50.0);
- r_inner = 0;
- r_outer = pixman_double_to_fixed (50.0);
-
- grad_img = pixman_image_create_conical_gradient (&c_inner, r_inner,
- stops, 2);
-#endif
-#if 0
- grad_img = pixman_image_create_conical_gradient (&c_inner, r_inner,
- stops, 2);
- grad_img = pixman_image_create_linear_gradient (&c_inner, &c_outer,
- r_inner, r_outer,
- stops, 2);
-#endif
-
- grad_img = pixman_image_create_linear_gradient (&p1, &p2,
- stops, 2);
-
- pixman_image_set_transform (grad_img, &trans);
- pixman_image_set_repeat (grad_img, PIXMAN_REPEAT_PAD);
-
- pixman_image_composite (PIXMAN_OP_OVER, grad_img, NULL, alpha_img,
- 0, 0, 0, 0, 0, 0, 10 * WIDTH, HEIGHT);
-
- pixman_image_set_alpha_map (src_img, alpha_img, 10, 10);
-
- pixman_image_composite (PIXMAN_OP_OVER, src_img, NULL, dest_img,
- 0, 0, 0, 0, 0, 0, 10 * WIDTH, HEIGHT);
-
- printf ("0, 0: %x\n", dest[0]);
- printf ("10, 10: %x\n", dest[10 * 10 + 10]);
- printf ("w, h: %x\n", dest[(HEIGHT - 1) * 100 + (WIDTH - 1)]);
-
- show_image (dest_img);
-
- pixman_image_unref (src_img);
- pixman_image_unref (grad_img);
- pixman_image_unref (alpha_img);
- free (dest);
-
- return 0;
-}