From 6849d83857b4e470a44ad8b6aa5cfb283fd64c89 Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 6 Aug 2010 10:19:28 +0000 Subject: pixman git update 6/8/2010 --- pixman/test/gtk-utils.c | 228 ++++++++++++++++++++++++------------------------ 1 file changed, 115 insertions(+), 113 deletions(-) (limited to 'pixman/test/gtk-utils.c') diff --git a/pixman/test/gtk-utils.c b/pixman/test/gtk-utils.c index 751a164c0..f45cdc912 100644 --- a/pixman/test/gtk-utils.c +++ b/pixman/test/gtk-utils.c @@ -1,113 +1,115 @@ -#include -#include -#include "pixman-private.h" /* For image->bits.format - * FIXME: there should probably be public API for this - */ -#include "gtk-utils.h" - -GdkPixbuf * -pixbuf_from_argb32 (uint32_t *bits, - gboolean has_alpha, - 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 / 4) + w]; - guint r, g, b, a; - char *pb = (char *)p_bits; - - pb += h * p_stride + w * 4; - - r = (argb & 0x00ff0000) >> 16; - g = (argb & 0x0000ff00) >> 8; - b = (argb & 0x000000ff) >> 0; - a = has_alpha? (argb & 0xff000000) >> 24 : 0xff; - - if (a) - { - r = (r * 255) / a; - g = (g * 255) / a; - b = (b * 255) / a; - } - - if (r > 255) r = 255; - if (g > 255) g = 255; - if (b > 255) b = 255; - - pb[0] = r; - pb[1] = g; - pb[2] = b; - pb[3] = a; - } - } - - 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; -} - -void -show_image (pixman_image_t *image) -{ - GtkWidget *window; - GdkPixbuf *pixbuf; - int width, height, stride; - int argc; - char **argv; - char *arg0 = g_strdup ("pixman-test-program"); - gboolean has_alpha; - pixman_format_code_t format; - - argc = 1; - argv = (char **)&arg0; - - gtk_init (&argc, &argv); - - window = gtk_window_new (GTK_WINDOW_TOPLEVEL); - width = pixman_image_get_width (image); - height = pixman_image_get_height (image); - stride = pixman_image_get_stride (image); - - format = image->bits.format; - - if (format == PIXMAN_a8r8g8b8) - has_alpha = TRUE; - else if (format == PIXMAN_x8r8g8b8) - has_alpha = FALSE; - else - g_error ("Can't deal with this format: %x\n", format); - - pixbuf = pixbuf_from_argb32 (pixman_image_get_data (image), has_alpha, - width, height, 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 +#include +#include "pixman-private.h" /* For image->bits.format + * FIXME: there should probably be public API for this + */ +#include "gtk-utils.h" + +GdkPixbuf * +pixbuf_from_argb32 (uint32_t *bits, + gboolean has_alpha, + 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 / 4) + w]; + guint r, g, b, a; + char *pb = (char *)p_bits; + + pb += h * p_stride + w * 4; + + r = (argb & 0x00ff0000) >> 16; + g = (argb & 0x0000ff00) >> 8; + b = (argb & 0x000000ff) >> 0; + a = has_alpha? (argb & 0xff000000) >> 24 : 0xff; + + if (a) + { + r = (r * 255) / a; + g = (g * 255) / a; + b = (b * 255) / a; + } + + if (r > 255) r = 255; + if (g > 255) g = 255; + if (b > 255) b = 255; + + pb[0] = r; + pb[1] = g; + pb[2] = b; + pb[3] = a; + } + } + + 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; +} + +void +show_image (pixman_image_t *image) +{ + GtkWidget *window; + GdkPixbuf *pixbuf; + int width, height, stride; + int argc; + char **argv; + char *arg0 = g_strdup ("pixman-test-program"); + gboolean has_alpha; + pixman_format_code_t format; + + argc = 1; + argv = (char **)&arg0; + + gtk_init (&argc, &argv); + + window = gtk_window_new (GTK_WINDOW_TOPLEVEL); + width = pixman_image_get_width (image); + height = pixman_image_get_height (image); + stride = pixman_image_get_stride (image); + + gtk_window_set_default_size (GTK_WINDOW (window), width, height); + + format = image->bits.format; + + if (format == PIXMAN_a8r8g8b8) + has_alpha = TRUE; + else if (format == PIXMAN_x8r8g8b8) + has_alpha = FALSE; + else + g_error ("Can't deal with this format: %x\n", format); + + pixbuf = pixbuf_from_argb32 (pixman_image_get_data (image), has_alpha, + width, height, 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 (); +} -- cgit v1.2.3