diff options
Diffstat (limited to 'pixman/test/gradient-test.c')
| -rw-r--r-- | pixman/test/gradient-test.c | 102 |
1 files changed, 21 insertions, 81 deletions
diff --git a/pixman/test/gradient-test.c b/pixman/test/gradient-test.c index 8a99ff0e6..2593ee38a 100644 --- a/pixman/test/gradient-test.c +++ b/pixman/test/gradient-test.c @@ -1,75 +1,12 @@ #include <stdio.h> #include <stdlib.h> -#include <gtk/gtk.h> #include "pixman.h" - -GdkPixbuf * -pixbuf_from_argb32 (uint32_t *bits, - int width, - int height, - int stride) -{ - GdkPixbuf *pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, - 8, width, height); - int p_stride = gdk_pixbuf_get_rowstride (pixbuf); - guint32 *p_bits = (guint32 *)gdk_pixbuf_get_pixels (pixbuf); - int w, h; - - for (h = 0; h < height; ++h) - { - for (w = 0; w < width; ++w) - { - uint32_t argb = bits[h * stride + w]; - guint32 abgr; - - abgr = (argb & 0xff000000) | - (argb & 0xff) << 16 | - (argb & 0x00ff00) | - (argb & 0xff0000) >> 16; - - p_bits[h * (p_stride / 4) + w] = abgr; - } - } - - return pixbuf; -} - -static gboolean -on_expose (GtkWidget *widget, GdkEventExpose *expose, gpointer data) -{ - GdkPixbuf *pixbuf = data; - - gdk_draw_pixbuf (widget->window, NULL, - pixbuf, 0, 0, 0, 0, - gdk_pixbuf_get_width (pixbuf), - gdk_pixbuf_get_height (pixbuf), - GDK_RGB_DITHER_NONE, - 0, 0); - - return TRUE; -} - -static void -show_window (uint32_t *bits, int w, int h, int stride) -{ - GdkPixbuf *pixbuf; - - GtkWidget *window = gtk_window_new (GTK_WINDOW_TOPLEVEL); - - pixbuf = pixbuf_from_argb32 (bits, w, h, stride); - - g_signal_connect (window, "expose_event", G_CALLBACK (on_expose), pixbuf); - g_signal_connect (window, "delete_event", G_CALLBACK (gtk_main_quit), NULL); - - gtk_widget_show (window); - - gtk_main (); -} +#include "utils.h" int main (int argc, char **argv) { -#define WIDTH 200 +#define WIDTH 400 #define HEIGHT 200 uint32_t *dest = malloc (WIDTH * HEIGHT * 4); @@ -78,16 +15,16 @@ main (int argc, char **argv) int i; pixman_gradient_stop_t stops[2] = { - { pixman_int_to_fixed (0), { 0xffff, 0x0000, 0x0000, 0xffff } }, - { pixman_int_to_fixed (1), { 0xffff, 0xffff, 0x0000, 0xffff } } + { pixman_int_to_fixed (0), { 0xffff, 0xeeee, 0xeeee, 0xeeee } }, + { pixman_int_to_fixed (1), { 0xffff, 0x1111, 0x1111, 0x1111 } } }; - pixman_point_fixed_t p1 = { 0, 0 }; - pixman_point_fixed_t p2 = { pixman_int_to_fixed (WIDTH), - pixman_int_to_fixed (HEIGHT) }; + pixman_point_fixed_t p1 = { pixman_double_to_fixed (0), 0 }; + pixman_point_fixed_t p2 = { pixman_double_to_fixed (WIDTH / 8.), + pixman_int_to_fixed (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 (2), pixman_double_to_fixed (0), }, - { pixman_double_to_fixed (0), pixman_double_to_fixed (0.004990), pixman_double_to_fixed (1.0) } + { 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) } } }; @@ -102,10 +39,8 @@ main (int argc, char **argv) pixman_fixed_t r_inner; pixman_fixed_t r_outer; - gtk_init (&argc, &argv); - for (i = 0; i < WIDTH * HEIGHT; ++i) - dest[i] = 0x3f0000ff; /* pale blue */ + dest[i] = 0x4f00004f; /* pale blue */ dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, @@ -119,25 +54,30 @@ main (int argc, char **argv) r_inner = 0; r_outer = pixman_double_to_fixed (50.0); - src_img = pixman_image_create_radial_gradient (&c_inner, &c_outer, + src_img = pixman_image_create_conical_gradient (&c_inner, r_inner, + stops, 2); +#if 0 + src_img = pixman_image_create_conical_gradient (&c_inner, r_inner, + stops, 2); + src_img = pixman_image_create_linear_gradient (&c_inner, &c_outer, r_inner, r_outer, stops, 2); +#endif -#if 0 src_img = pixman_image_create_linear_gradient (&p1, &p2, stops, 2); -#endif - pixman_image_set_transform (src_img, &trans); + pixman_image_set_transform (src_img, &id); + pixman_image_set_repeat (src_img, PIXMAN_REPEAT_PAD); pixman_image_composite (PIXMAN_OP_OVER, src_img, NULL, dest_img, - 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); + 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_window (dest, WIDTH, HEIGHT, WIDTH); + show_image (dest_img); pixman_image_unref (src_img); pixman_image_unref (dest_img); |