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widget-factory: Use a pixbuf instead of a surface

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This gets rid of the last user of
gdk_cairo_surface_create_from_pixbuf().
This commit is contained in:
Benjamin Otte 2018-04-12 01:40:38 +02:00
parent af6b2cdb37
commit 9cecf123f3
1 changed files with 6 additions and 15 deletions
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21
demos/widget-factory/widget-factory.c
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@ -1082,7 +1082,7 @@ set_accel (GtkApplication *app, GtkWidget *widget)
typedef struct
{
GtkTextView tv;
cairo_surface_t *surface;
GdkPixbuf *pixbuf;
} MyTextView;
typedef GtkTextViewClass MyTextViewClass;
@ -1101,10 +1101,10 @@ my_tv_draw_layer (GtkTextView *widget,
{
MyTextView *tv = (MyTextView *)widget;
if (layer == GTK_TEXT_VIEW_LAYER_BELOW_TEXT && tv->surface)
if (layer == GTK_TEXT_VIEW_LAYER_BELOW_TEXT && tv->pixbuf)
{
cairo_save (cr);
cairo_set_source_surface (cr, tv->surface, 0.0, 0.0);
gdk_cairo_set_source_pixbuf (cr, tv->pixbuf, 0.0, 0.0);
cairo_paint_with_alpha (cr, 0.333);
cairo_restore (cr);
}
@ -1115,8 +1115,7 @@ my_tv_finalize (GObject *object)
{
MyTextView *tv = (MyTextView *)object;
if (tv->surface)
cairo_surface_destroy (tv->surface);
g_clear_object (&tv->pixbuf);
G_OBJECT_CLASS (my_text_view_parent_class)->finalize (object);
}
@ -1134,18 +1133,14 @@ my_text_view_class_init (MyTextViewClass *class)
static void
my_text_view_set_background (MyTextView *tv, const gchar *filename)
{
GdkPixbuf *pixbuf;
GError *error = NULL;
if (tv->surface)
cairo_surface_destroy (tv->surface);
tv->surface = NULL;
g_clear_object (&tv->pixbuf);
if (filename == NULL)
return;
pixbuf = gdk_pixbuf_new_from_file (filename, &error);
tv->pixbuf = gdk_pixbuf_new_from_file (filename, &error);
if (error)
{
g_warning ("%s", error->message);
@ -1153,10 +1148,6 @@ my_text_view_set_background (MyTextView *tv, const gchar *filename)
return;
}
tv->surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, 1, NULL);
g_object_unref (pixbuf);
gtk_widget_queue_draw (GTK_WIDGET (tv));
}