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Allow images for background-image

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In addition to -gtk-gradient(...), allow url(path), and create
a pattern from the image. Still to do: allow stretch/repeat options.
This commit is contained in:
Matthias Clasen 2010-11-26 00:43:16 -05:00 committed by Carlos Garnacho
parent ca143b1303
commit f86e8f7512
1 changed files with 47 additions and 3 deletions
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48
gtk/gtkcssprovider.c
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@ -601,7 +601,8 @@
* </row> * </row>
* <row> * <row>
* <entry>background-image</entry> * <entry>background-image</entry>
* <entry>gradient (see above)</entry> * <entry><literallayout>gradient (see above) or
* url(@path)</literallayout></entry>
* <entry>#cairo_pattern_t</entry> * <entry>#cairo_pattern_t</entry>
* <entry><literallayout>-gtk-gradient (linear, * <entry><literallayout>-gtk-gradient (linear,
* left top, right top, * left top, right top,
@ -614,7 +615,8 @@
* center center, 0.2, * center center, 0.2,
* center center, 0.8, * center center, 0.8,
* color-stop (0.0, &num;fff), * color-stop (0.0, &num;fff),
* color-stop (1.0, &num;000));</literallayout> * color-stop (1.0, &num;000));
* url ('background.png');</literallayout>
* </entry> * </entry>
* </row> * </row>
* <row> * <row>
@ -2851,9 +2853,51 @@ css_provider_parse_value (GtkCssProvider *css_provider,
g_value_init (value, GTK_TYPE_GRADIENT); g_value_init (value, GTK_TYPE_GRADIENT);
g_value_take_boxed (value, gradient); g_value_take_boxed (value, gradient);
} }
else
{
gchar *path;
GdkPixbuf *pixbuf;
path = path_parse (css_provider, value_str);
if (path)
{
pixbuf = gdk_pixbuf_new_from_file (path, NULL);
g_free (path);
if (pixbuf)
{
cairo_surface_t *surface;
cairo_pattern_t *pattern;
cairo_t *cr;
cairo_matrix_t matrix;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf));
cr = cairo_create (surface);
gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
cairo_paint (cr);
pattern = cairo_pattern_create_for_surface (surface);
cairo_matrix_init_scale (&matrix,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf));
cairo_pattern_set_matrix (pattern, &matrix);
cairo_surface_destroy (surface);
cairo_destroy (cr);
g_object_unref (pixbuf);
g_value_take_boxed (value, pattern);
}
else else
parsed = FALSE; parsed = FALSE;
} }
else
parsed = FALSE;
}
}
else if (G_TYPE_IS_ENUM (type)) else if (G_TYPE_IS_ENUM (type))
{ {
GEnumClass *enum_class; GEnumClass *enum_class;