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image: use gtk_render_icon()
This commit is contained in:
Cosimo Cecchi
Benjamin Otte
parent
514e77581a
commit
e6a3257b55
337
gtk/gtkimage.c
337
gtk/gtkimage.c
@ -153,7 +153,6 @@ struct _GtkImagePrivate
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gint required_height;
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guint need_calc_size : 1;
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guint use_fallback : 1;
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guint was_symbolic : 1;
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};
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@ -1426,15 +1425,133 @@ icon_theme_changed (GtkImage *image)
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}
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static void
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ensure_pixbuf_for_icon_name (GtkImage *image,
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GtkStateFlags state)
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ensure_icon_size (GtkImage *image,
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GtkIconLookupFlags *flags,
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gint *width_out,
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gint *height_out)
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{
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GtkImagePrivate *priv = image->priv;
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gint width, height;
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GtkSettings *settings;
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GdkScreen *screen;
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GtkIconTheme *icon_theme;
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gint *s, *sizes, dist;
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screen = gtk_widget_get_screen (GTK_WIDGET (image));
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settings = gtk_settings_get_for_screen (screen);
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icon_theme = gtk_icon_theme_get_for_screen (screen);
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if (priv->pixel_size != -1)
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{
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width = height = priv->pixel_size;
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*flags |= GTK_ICON_LOOKUP_FORCE_SIZE;
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}
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else if (!gtk_icon_size_lookup_for_settings (settings,
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priv->icon_size,
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&width, &height))
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{
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if (priv->icon_size == -1)
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{
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/* Find an available size close to 48 */
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sizes = gtk_icon_theme_get_icon_sizes (icon_theme, priv->data.name.icon_name);
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dist = 100;
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width = height = 48;
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for (s = sizes; *s; s++)
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{
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if (*s == -1)
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{
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width = height = 48;
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break;
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}
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if (*s < 48)
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{
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if (48 - *s < dist)
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{
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width = height = *s;
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dist = 48 - *s;
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}
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}
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else
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{
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if (*s - 48 < dist)
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{
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width = height = *s;
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dist = *s - 48;
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}
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}
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}
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g_free (sizes);
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}
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else
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{
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g_warning ("Invalid icon size %d\n", priv->icon_size);
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width = height = 24;
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}
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}
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*width_out = width;
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*height_out = height;
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}
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static GdkPixbuf *
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ensure_stated_icon_from_info (GtkImage *image,
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GtkIconInfo *info)
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{
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GtkImagePrivate *priv = image->priv;
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GtkStyleContext *context;
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GdkPixbuf *destination;
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gboolean symbolic;
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context = gtk_widget_get_style_context (GTK_WIDGET (image));
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symbolic = FALSE;
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if (info)
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destination =
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gtk_icon_info_load_symbolic_for_context (info,
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context,
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&symbolic,
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NULL);
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if (destination == NULL)
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{
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destination =
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gtk_widget_render_icon_pixbuf (GTK_WIDGET (image),
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GTK_STOCK_MISSING_IMAGE,
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priv->icon_size);
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}
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else if (!symbolic)
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{
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GtkIconSource *source;
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GdkPixbuf *rendered;
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source = gtk_icon_source_new ();
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gtk_icon_source_set_pixbuf (source, destination);
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/* The size here is arbitrary; since size isn't
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* wildcarded in the source, it isn't supposed to be
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* scaled by the engine function
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*/
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gtk_icon_source_set_size (source,
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GTK_ICON_SIZE_SMALL_TOOLBAR);
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gtk_icon_source_set_size_wildcarded (source, FALSE);
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rendered = gtk_render_icon_pixbuf (context, source, (GtkIconSize) -1);
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gtk_icon_source_free (source);
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g_object_unref (destination);
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destination = rendered;
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}
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return destination;
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}
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static void
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ensure_pixbuf_for_icon_name (GtkImage *image,
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GtkStateFlags state)
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{
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GtkImagePrivate *priv = image->priv;
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GdkScreen *screen;
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GtkIconTheme *icon_theme;
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GtkSettings *settings;
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gint width, height;
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gint *sizes, *s, dist;
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GtkIconInfo *info;
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GtkIconLookupFlags flags;
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@ -1442,104 +1559,42 @@ ensure_pixbuf_for_icon_name (GtkImage *image,
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screen = gtk_widget_get_screen (GTK_WIDGET (image));
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icon_theme = gtk_icon_theme_get_for_screen (screen);
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settings = gtk_settings_get_for_screen (screen);
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flags = GTK_ICON_LOOKUP_USE_BUILTIN;
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if (priv->use_fallback)
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flags |= GTK_ICON_LOOKUP_GENERIC_FALLBACK;
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if (priv->data.name.pixbuf == NULL ||
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(priv->was_symbolic && priv->last_rendered_state != state))
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if ((priv->data.name.pixbuf == NULL) ||
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(priv->last_rendered_state != state))
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{
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priv->last_rendered_state = state;
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if (priv->data.name.pixbuf)
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{
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g_object_unref (priv->data.name.pixbuf);
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priv->data.name.pixbuf = NULL;
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}
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if (priv->pixel_size != -1)
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{
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width = height = priv->pixel_size;
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flags |= GTK_ICON_LOOKUP_FORCE_SIZE;
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}
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else if (!gtk_icon_size_lookup_for_settings (settings,
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priv->icon_size,
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&width, &height))
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{
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if (priv->icon_size == -1)
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{
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/* Find an available size close to 48 */
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sizes = gtk_icon_theme_get_icon_sizes (icon_theme, priv->data.name.icon_name);
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dist = 100;
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width = height = 48;
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for (s = sizes; *s; s++)
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{
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if (*s == -1)
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{
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width = height = 48;
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break;
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}
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if (*s < 48)
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{
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if (48 - *s < dist)
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{
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width = height = *s;
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dist = 48 - *s;
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}
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}
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else
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{
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if (*s - 48 < dist)
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{
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width = height = *s;
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dist = *s - 48;
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}
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}
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}
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g_free (sizes);
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}
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else
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{
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g_warning ("Invalid icon size %d\n", priv->icon_size);
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width = height = 24;
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}
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}
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ensure_icon_size (image, &flags, &width, &height);
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info = gtk_icon_theme_lookup_icon (icon_theme,
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priv->data.name.icon_name,
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MIN (width, height), flags);
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priv->data.name.pixbuf = ensure_stated_icon_from_info (image, info);
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if (info)
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{
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GtkStyleContext *context;
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gboolean was_symbolic;
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context = gtk_widget_get_style_context (GTK_WIDGET (image));
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priv->data.name.pixbuf =
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gtk_icon_info_load_symbolic_for_context (info,
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context,
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&was_symbolic,
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NULL);
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priv->was_symbolic = was_symbolic;
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gtk_icon_info_free (info);
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}
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if (priv->data.name.pixbuf == NULL)
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{
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priv->data.name.pixbuf =
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gtk_widget_render_icon_pixbuf (GTK_WIDGET (image),
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GTK_STOCK_MISSING_IMAGE,
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priv->icon_size);
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priv->was_symbolic = FALSE;
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}
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gtk_icon_info_free (info);
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}
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}
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static void
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ensure_pixbuf_for_gicon (GtkImage *image,
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GtkStateFlags state)
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ensure_pixbuf_for_gicon (GtkImage *image,
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GtkStateFlags state)
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{
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GtkImagePrivate *priv = image->priv;
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GdkScreen *screen;
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GtkIconTheme *icon_theme;
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GtkSettings *settings;
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gint width, height;
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GtkIconInfo *info;
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GtkIconLookupFlags flags;
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@ -1548,63 +1603,32 @@ ensure_pixbuf_for_gicon (GtkImage *image,
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screen = gtk_widget_get_screen (GTK_WIDGET (image));
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icon_theme = gtk_icon_theme_get_for_screen (screen);
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settings = gtk_settings_get_for_screen (screen);
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flags = GTK_ICON_LOOKUP_USE_BUILTIN;
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if (priv->use_fallback)
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flags |= GTK_ICON_LOOKUP_GENERIC_FALLBACK;
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if (priv->data.gicon.pixbuf == NULL ||
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(priv->was_symbolic && priv->last_rendered_state != state))
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if ((priv->data.gicon.pixbuf == NULL) ||
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(priv->last_rendered_state != state))
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{
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priv->last_rendered_state = state;
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if (priv->data.gicon.pixbuf)
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{
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g_object_unref (priv->data.gicon.pixbuf);
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priv->data.gicon.pixbuf = NULL;
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}
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if (priv->pixel_size != -1)
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{
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width = height = priv->pixel_size;
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flags |= GTK_ICON_LOOKUP_FORCE_SIZE;
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}
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else if (!gtk_icon_size_lookup_for_settings (settings,
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priv->icon_size,
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&width, &height))
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{
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if (priv->icon_size == -1)
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width = height = 48;
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else
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{
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g_warning ("Invalid icon size %d\n", priv->icon_size);
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width = height = 24;
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}
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}
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ensure_icon_size (image, &flags, &width, &height);
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info = gtk_icon_theme_lookup_by_gicon (icon_theme,
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priv->data.gicon.icon,
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MIN (width, height), flags);
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priv->data.gicon.pixbuf = ensure_stated_icon_from_info (image, info);
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if (info)
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{
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GtkStyleContext *context;
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gboolean was_symbolic;
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context = gtk_widget_get_style_context (GTK_WIDGET (image));
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priv->data.gicon.pixbuf =
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gtk_icon_info_load_symbolic_for_context (info,
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context,
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&was_symbolic,
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NULL);
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priv->was_symbolic = was_symbolic;
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gtk_icon_info_free (info);
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}
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if (priv->data.gicon.pixbuf == NULL)
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{
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priv->data.gicon.pixbuf =
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gtk_widget_render_icon_pixbuf (GTK_WIDGET (image),
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GTK_STOCK_MISSING_IMAGE,
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priv->icon_size);
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priv->was_symbolic = FALSE;
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}
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gtk_icon_info_free (info);
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}
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}
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@ -1628,11 +1652,11 @@ gtk_image_draw (GtkWidget *widget,
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gfloat xalign, yalign;
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GdkPixbuf *pixbuf;
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GtkStateFlags state;
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gboolean needs_state_transform;
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GtkStyleContext *context;
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misc = GTK_MISC (widget);
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context = gtk_widget_get_style_context (widget);
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state = gtk_widget_get_state_flags (widget);
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gtk_style_context_save (context);
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@ -1655,8 +1679,6 @@ gtk_image_draw (GtkWidget *widget,
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x = floor (xpad + ((gtk_widget_get_allocated_width (widget) - priv->required_width) * xalign));
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y = floor (ypad + ((gtk_widget_get_allocated_height (widget) - priv->required_height) * yalign));
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needs_state_transform = state != 0;
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switch (priv->storage_type)
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{
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@ -1669,18 +1691,12 @@ gtk_image_draw (GtkWidget *widget,
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pixbuf = gtk_widget_render_icon_pixbuf (widget,
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priv->data.stock.stock_id,
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priv->icon_size);
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/* already done */
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needs_state_transform = FALSE;
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break;
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case GTK_IMAGE_ICON_SET:
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pixbuf =
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gtk_icon_set_render_icon_pixbuf (priv->data.icon_set.icon_set,
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context, priv->icon_size);
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/* already done */
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needs_state_transform = FALSE;
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break;
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case GTK_IMAGE_ANIMATION:
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@ -1706,17 +1722,7 @@ gtk_image_draw (GtkWidget *widget,
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break;
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case GTK_IMAGE_ICON_NAME:
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if (state & GTK_STATE_FLAG_INSENSITIVE)
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{
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ensure_pixbuf_for_icon_name (image, 0);
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}
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else
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{
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ensure_pixbuf_for_icon_name (image, state);
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/* Already done by the loading function? */
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if (priv->was_symbolic)
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needs_state_transform = FALSE;
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}
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ensure_pixbuf_for_icon_name (image, state);
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pixbuf = priv->data.name.pixbuf;
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if (pixbuf)
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{
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@ -1725,24 +1731,14 @@ gtk_image_draw (GtkWidget *widget,
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break;
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case GTK_IMAGE_GICON:
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if (state & GTK_STATE_FLAG_INSENSITIVE)
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{
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ensure_pixbuf_for_gicon (image, 0);
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}
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else
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{
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ensure_pixbuf_for_gicon (image, state);
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/* Already done by the loading function? */
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if (priv->was_symbolic)
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needs_state_transform = FALSE;
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}
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ensure_pixbuf_for_gicon (image, state);
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pixbuf = priv->data.gicon.pixbuf;
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if (pixbuf)
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{
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g_object_ref (pixbuf);
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}
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break;
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case GTK_IMAGE_EMPTY:
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default:
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g_assert_not_reached ();
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@ -1752,30 +1748,9 @@ gtk_image_draw (GtkWidget *widget,
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if (pixbuf)
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{
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if (needs_state_transform)
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{
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GtkIconSource *source;
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GdkPixbuf *rendered;
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source = gtk_icon_source_new ();
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gtk_icon_source_set_pixbuf (source, pixbuf);
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/* The size here is arbitrary; since size isn't
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* wildcarded in the souce, it isn't supposed to be
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* scaled by the engine function
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*/
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gtk_icon_source_set_size (source,
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GTK_ICON_SIZE_SMALL_TOOLBAR);
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gtk_icon_source_set_size_wildcarded (source, FALSE);
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rendered = gtk_render_icon_pixbuf (context, source, (GtkIconSize) -1);
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gtk_icon_source_free (source);
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g_object_unref (pixbuf);
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pixbuf = rendered;
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}
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gdk_cairo_set_source_pixbuf (cr, pixbuf, x, y);
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cairo_paint (cr);
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gtk_render_icon (context, cr,
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pixbuf,
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x, y);
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g_object_unref (pixbuf);
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}
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@ -1915,8 +1890,8 @@ gtk_image_calc_size (GtkImage *image)
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priv->need_calc_size = 0;
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context = gtk_widget_get_style_context (widget);
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state = gtk_widget_get_state_flags (widget);
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state = gtk_widget_get_state_flags (widget);
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gtk_style_context_save (context);
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gtk_style_context_set_state (context, state);
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@ -1938,12 +1913,12 @@ gtk_image_calc_size (GtkImage *image)
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context, priv->icon_size);
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break;
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case GTK_IMAGE_ICON_NAME:
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ensure_pixbuf_for_icon_name (image, 0);
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ensure_pixbuf_for_icon_name (image, state);
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pixbuf = priv->data.name.pixbuf;
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if (pixbuf) g_object_ref (pixbuf);
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break;
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case GTK_IMAGE_GICON:
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ensure_pixbuf_for_gicon (image, 0);
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ensure_pixbuf_for_gicon (image, state);
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pixbuf = priv->data.gicon.pixbuf;
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if (pixbuf)
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g_object_ref (pixbuf);
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