GtkTextTag *
gimp_text_buffer_get_color_tag (GimpTextBuffer *buffer,
const GimpRGB *color)
{
GList *list;
GtkTextTag *tag;
gchar name[256];
GdkColor gdk_color;
guchar r, g, b;
gimp_rgb_get_uchar (color, &r, &g, &b);
for (list = buffer->color_tags; list; list = g_list_next (list))
{
GimpRGB tag_color;
guchar tag_r, tag_g, tag_b;
tag = list->data;
gimp_text_tag_get_color (tag, &tag_color);
gimp_rgb_get_uchar (&tag_color, &tag_r, &tag_g, &tag_b);
/* Do not compare the alpha channel, since it's unused */
if (tag_r == r &&
tag_g == g &&
tag_b == b)
{
return tag;
}
}
g_snprintf (name, sizeof (name), "color-#%02x%02x%02x",
r, g, b);
gimp_rgb_get_gdk_color (color, &gdk_color);
tag = gtk_text_buffer_create_tag (GTK_TEXT_BUFFER (buffer),
name,
"foreground-gdk", &gdk_color,
"foreground-set", TRUE,
NULL);
buffer->color_tags = g_list_prepend (buffer->color_tags, tag);
return tag;
}
/**
* gimp_canvas_set_bg_color:
* @canvas: a #GimpCanvas widget
* @color: a color in #GimpRGB format
*
* Sets the background color of the canvas's window. This
* is the color the canvas is set to if it is cleared.
**/
void
gimp_canvas_set_bg_color (GimpCanvas *canvas,
GimpRGB *color)
{
GtkWidget *widget = GTK_WIDGET (canvas);
GdkColormap *colormap;
GdkColor gdk_color;
if (! GTK_WIDGET_REALIZED (widget))
return;
gimp_rgb_get_gdk_color (color, &gdk_color);
colormap = gdk_drawable_get_colormap (widget->window);
g_return_if_fail (colormap != NULL);
gdk_colormap_alloc_color (colormap, &gdk_color, FALSE, TRUE);
gdk_window_set_background (widget->window, &gdk_color);
}
