add pixman and libpngraylib

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;
+}