diff options
Diffstat (limited to 'libs/pixman-0.40.0/demos/composite-test.c')
| -rw-r--r-- | libs/pixman-0.40.0/demos/composite-test.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/libs/pixman-0.40.0/demos/composite-test.c b/libs/pixman-0.40.0/demos/composite-test.c new file mode 100644 index 0000000..8213e2f --- /dev/null +++ b/libs/pixman-0.40.0/demos/composite-test.c @@ -0,0 +1,186 @@ +#include <gtk/gtk.h> +#include <stdlib.h> +#include <stdio.h> +#include "pixman.h" +#include "gtk-utils.h" +#include "parrot.c" + +#define WIDTH 80 +#define HEIGHT 80 + +typedef struct { + const char *name; + pixman_op_t op; +} operator_t; + +static const operator_t operators[] = { + { "CLEAR", PIXMAN_OP_CLEAR }, + { "SRC", PIXMAN_OP_SRC }, + { "DST", PIXMAN_OP_DST }, + { "OVER", PIXMAN_OP_OVER }, + { "OVER_REVERSE", PIXMAN_OP_OVER_REVERSE }, + { "IN", PIXMAN_OP_IN }, + { "IN_REVERSE", PIXMAN_OP_IN_REVERSE }, + { "OUT", PIXMAN_OP_OUT }, + { "OUT_REVERSE", PIXMAN_OP_OUT_REVERSE }, + { "ATOP", PIXMAN_OP_ATOP }, + { "ATOP_REVERSE", PIXMAN_OP_ATOP_REVERSE }, + { "XOR", PIXMAN_OP_XOR }, + { "ADD", PIXMAN_OP_ADD }, + { "SATURATE", PIXMAN_OP_SATURATE }, + + { "MULTIPLY", PIXMAN_OP_MULTIPLY }, + { "SCREEN", PIXMAN_OP_SCREEN }, + { "OVERLAY", PIXMAN_OP_OVERLAY }, + { "DARKEN", PIXMAN_OP_DARKEN }, + { "LIGHTEN", PIXMAN_OP_LIGHTEN }, + { "COLOR_DODGE", PIXMAN_OP_COLOR_DODGE }, + { "COLOR_BURN", PIXMAN_OP_COLOR_BURN }, + { "HARD_LIGHT", PIXMAN_OP_HARD_LIGHT }, + { "SOFT_LIGHT", PIXMAN_OP_SOFT_LIGHT }, + { "DIFFERENCE", PIXMAN_OP_DIFFERENCE }, + { "EXCLUSION", PIXMAN_OP_EXCLUSION }, + { "HSL_HUE", PIXMAN_OP_HSL_HUE }, + { "HSL_SATURATION", PIXMAN_OP_HSL_SATURATION }, + { "HSL_COLOR", PIXMAN_OP_HSL_COLOR }, + { "HSL_LUMINOSITY", PIXMAN_OP_HSL_LUMINOSITY }, +}; + +static uint32_t +reader (const void *src, int size) +{ + switch (size) + { + case 1: + return *(uint8_t *)src; + case 2: + return *(uint16_t *)src; + case 4: + return *(uint32_t *)src; + default: + g_assert_not_reached(); + } +} + +static void +writer (void *src, uint32_t value, int size) +{ + switch (size) + { + case 1: + *(uint8_t *)src = value; + break; + + case 2: + *(uint16_t *)src = value; + break; + + case 4: + *(uint32_t *)src = value; + break; + + default: + break; + } +} + +int +main (int argc, char **argv) +{ +#define d2f pixman_double_to_fixed + + GtkWidget *window, *swindow; + GtkWidget *table; + uint32_t *dest = malloc (WIDTH * HEIGHT * 4); + uint32_t *src = malloc (WIDTH * HEIGHT * 4); + pixman_image_t *gradient, *parrot; + pixman_image_t *dest_img; + pixman_point_fixed_t p1 = { -10 << 16, 10 << 16 }; + pixman_point_fixed_t p2 = { (WIDTH + 10) << 16, (HEIGHT - 10) << 16 }; + uint16_t alpha = 0xdddd; + pixman_gradient_stop_t stops[6] = + { + { d2f (0.0), { 0xf2f2, 0x8787, 0x7d7d, alpha } }, + { d2f (0.22), { 0xf3f3, 0xeaea, 0x8383, alpha } }, + { d2f (0.42), { 0x6b6b, 0xc0c0, 0x7777, alpha } }, + { d2f (0.57), { 0x4b4b, 0xc9c9, 0xf5f5, alpha } }, + { d2f (0.75), { 0x6a6a, 0x7f7f, 0xbebe, alpha } }, + { d2f (1.0), { 0xeded, 0x8282, 0xb0b0, alpha } }, + }; + + int i; + + gtk_init (&argc, &argv); + + window = gtk_window_new (GTK_WINDOW_TOPLEVEL); + + gtk_window_set_default_size (GTK_WINDOW (window), 800, 600); + + g_signal_connect (window, "delete-event", + G_CALLBACK (gtk_main_quit), + NULL); + table = gtk_table_new (G_N_ELEMENTS (operators) / 6, 6, TRUE); + + gradient = pixman_image_create_linear_gradient (&p1, &p2, stops, G_N_ELEMENTS (stops)); + parrot = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, (uint32_t *)parrot_bits, WIDTH * 4); + + pixman_image_set_repeat (gradient, PIXMAN_REPEAT_PAD); + + dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, + WIDTH, HEIGHT, + NULL, + WIDTH * 4); + pixman_image_set_accessors (dest_img, reader, writer); + + for (i = 0; i < G_N_ELEMENTS (operators); ++i) + { + GtkWidget *image; + GdkPixbuf *pixbuf; + GtkWidget *vbox; + GtkWidget *label; + + vbox = gtk_vbox_new (FALSE, 0); + + label = gtk_label_new (operators[i].name); + gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 6); + gtk_widget_show (label); + + pixman_image_composite (PIXMAN_OP_SRC, gradient, NULL, dest_img, + 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); + pixman_image_composite (operators[i].op, parrot, NULL, dest_img, + 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); + pixbuf = pixbuf_from_argb32 (pixman_image_get_data (dest_img), + WIDTH, HEIGHT, WIDTH * 4); + image = gtk_image_new_from_pixbuf (pixbuf); + gtk_box_pack_start (GTK_BOX (vbox), image, FALSE, FALSE, 0); + gtk_widget_show (image); + + gtk_table_attach_defaults (GTK_TABLE (table), vbox, + i % 6, (i % 6) + 1, i / 6, (i / 6) + 1); + gtk_widget_show (vbox); + + g_object_unref (pixbuf); + } + + pixman_image_unref (gradient); + free (src); + pixman_image_unref (dest_img); + free (dest); + + swindow = gtk_scrolled_window_new (NULL, NULL); + gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), + GTK_POLICY_AUTOMATIC, + GTK_POLICY_AUTOMATIC); + + gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (swindow), table); + gtk_widget_show (table); + + gtk_container_add (GTK_CONTAINER (window), swindow); + gtk_widget_show (swindow); + + gtk_widget_show (window); + + gtk_main (); + + return 0; +} |