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author | Andrea Cimitan <andrea.cimitan@gmail.com> | 2010-08-20 18:41:25 +0200 |
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committer | Andrea Cimitan <andrea.cimitan@gmail.com> | 2010-08-20 18:41:25 +0200 |
commit | b70e73a6c45992ff93b4ab78683c9e9275329ea9 (patch) | |
tree | 686cd9e3da76b30a176b69cb558e58fa57951d2b | |
parent | 6c2b00b21e60c5b667bb3d82639190af58d3c847 (diff) | |
download | ayatana-indicator-sound-b70e73a6c45992ff93b4ab78683c9e9275329ea9.tar.gz ayatana-indicator-sound-b70e73a6c45992ff93b4ab78683c9e9275329ea9.tar.bz2 ayatana-indicator-sound-b70e73a6c45992ff93b4ab78683c9e9275329ea9.zip |
Some code from the gnome-screensaver lock dialog. Will crash because gtk_widget_get_window (GTK_WIDGET(image)) returns NULL
-rw-r--r-- | src/metadata-widget.c | 145 |
1 files changed, 143 insertions, 2 deletions
diff --git a/src/metadata-widget.c b/src/metadata-widget.c index aaf71e2..b51dbac 100644 --- a/src/metadata-widget.c +++ b/src/metadata-widget.c @@ -233,14 +233,155 @@ metadata_widget_property_update(DbusmenuMenuitem* item, gchar* property, } } + +static cairo_surface_t * +surface_from_pixbuf (GdkPixbuf *pixbuf) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_image_surface_create (gdk_pixbuf_get_has_alpha (pixbuf) ? + CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_RGB24, + 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); + cairo_destroy (cr); + + return surface; +} + +static void +rounded_rectangle (cairo_t *cr, + gdouble aspect, + gdouble x, + gdouble y, + gdouble corner_radius, + gdouble width, + gdouble height) +{ + gdouble radius; + gdouble degrees; + + radius = corner_radius / aspect; + degrees = G_PI / 180.0; + + cairo_new_sub_path (cr); + cairo_arc (cr, + x + width - radius, + y + radius, + radius, + -90 * degrees, + 0 * degrees); + cairo_arc (cr, + x + width - radius, + y + height - radius, + radius, + 0 * degrees, + 90 * degrees); + cairo_arc (cr, + x + radius, + y + height - radius, + radius, + 90 * degrees, + 180 * degrees); + cairo_arc (cr, + x + radius, + y + radius, + radius, + 180 * degrees, + 270 * degrees); + cairo_close_path (cr); +} + +static void +image_set_from_pixbuf (GtkImage *image, + GdkPixbuf *source) +{ + cairo_t *cr; + cairo_t *cr_mask; + cairo_surface_t *surface; + GdkPixmap *pixmap; + GdkPixmap *bitmask; + int w; + int h; + int frame_width; + double radius; + GdkColor color; + double r; + double g; + double b; + + frame_width = 5; + + w = gdk_pixbuf_get_width (source) + frame_width * 2; + h = gdk_pixbuf_get_height (source) + frame_width * 2; + + radius = w / 10; + + pixmap = gdk_pixmap_new (gtk_widget_get_window (GTK_WIDGET (image)), w, h, -1); + bitmask = gdk_pixmap_new (gtk_widget_get_window (GTK_WIDGET (image)), w, h, 1); + + if (gtk_widget_get_window (GTK_WIDGET (image)) == NULL) + return; + + cr = gdk_cairo_create (pixmap); + cr_mask = gdk_cairo_create (bitmask); + + /* setup mask */ + cairo_rectangle (cr_mask, 0, 0, w, h); + cairo_set_operator (cr_mask, CAIRO_OPERATOR_CLEAR); + cairo_fill (cr_mask); + + rounded_rectangle (cr_mask, 1.0, 0.5, 0.5, radius, w - 1, h - 1); + cairo_set_operator (cr_mask, CAIRO_OPERATOR_OVER); + cairo_set_source_rgb (cr_mask, 1, 1, 1); + cairo_fill (cr_mask); + + color = gtk_widget_get_style (GTK_WIDGET (image))->bg [GTK_STATE_NORMAL]; + r = (float)color.red / 65535.0; + g = (float)color.green / 65535.0; + b = (float)color.blue / 65535.0; + + /* set up image */ + cairo_rectangle (cr, 0, 0, w, h); + cairo_set_source_rgb (cr, r, g, b); + cairo_fill (cr); + + rounded_rectangle (cr, + 1.0, + frame_width + 0.5, + frame_width + 0.5, + radius, + w - frame_width * 2 - 1, + h - frame_width * 2 - 1); + cairo_set_source_rgba (cr, 0.5, 0.5, 0.5, 0.3); + cairo_fill_preserve (cr); + + surface = surface_from_pixbuf (source); + cairo_set_source_surface (cr, surface, frame_width, frame_width); + cairo_fill (cr); + + gtk_image_set_from_pixmap (image, pixmap, bitmask); + + cairo_surface_destroy (surface); + + g_object_unref (bitmask); + g_object_unref (pixmap); + + cairo_destroy (cr_mask); + cairo_destroy (cr); +} + static void update_album_art(MetadataWidget* self){ MetadataWidgetPrivate * priv = METADATA_WIDGET_GET_PRIVATE(self); GdkPixbuf* pixbuf; pixbuf = gdk_pixbuf_new_from_file(priv->image_path, NULL); - pixbuf = gdk_pixbuf_scale_simple(pixbuf,60, 60, GDK_INTERP_BILINEAR); + pixbuf = gdk_pixbuf_scale_simple(pixbuf,60, 60, GDK_INTERP_BILINEAR); g_debug("attempting to set the image with path %s", priv->image_path); - gtk_image_set_from_pixbuf(GTK_IMAGE(priv->album_art), pixbuf); + image_set_from_pixbuf (GTK_IMAGE(priv->album_art), pixbuf); g_object_unref(pixbuf); } |