#include "gtkicontheme.h"
#include "gtkintl.h"
#include "gtkprivate.h"
+#include "gtkscalerprivate.h"
#include "gtksnapshot.h"
#include "gtktypebuiltins.h"
#include "gtkwidgetprivate.h"
GtkImagePrivate *priv = gtk_image_get_instance_private (image);
GdkPixbufAnimation *anim;
gint scale_factor;
- cairo_surface_t *surface;
+ GdkTexture *texture;
+ GdkPaintable *scaler;
g_return_if_fail (GTK_IS_IMAGE (image));
return;
}
- surface = gdk_cairo_surface_create_from_pixbuf (gdk_pixbuf_animation_get_static_image (anim),
- scale_factor, _gtk_widget_get_window (GTK_WIDGET (image)));
- gtk_image_set_from_surface (image, surface);
- cairo_surface_destroy (surface);
+ texture = gdk_texture_new_for_pixbuf (gdk_pixbuf_animation_get_static_image (anim));
+ scaler = gtk_scaler_new (GDK_PAINTABLE (texture), scale_factor);
+ gtk_image_set_from_paintable (image, scaler);
+
+ g_object_unref (scaler);
+ g_object_unref (texture);
g_object_unref (anim);
priv->filename = g_strdup (filename);
GtkImagePrivate *priv = gtk_image_get_instance_private (image);
GdkPixbufAnimation *animation;
gint scale_factor = 1;
- cairo_surface_t *surface;
+ GdkTexture *texture;
+ GdkPaintable *scaler;
g_return_if_fail (GTK_IS_IMAGE (image));
return;
}
- surface = gdk_cairo_surface_create_from_pixbuf (gdk_pixbuf_animation_get_static_image (animation),
- scale_factor, _gtk_widget_get_window (GTK_WIDGET (image)));
- gtk_image_set_from_surface (image, surface);
- cairo_surface_destroy (surface);
+ texture = gdk_texture_new_for_pixbuf (gdk_pixbuf_animation_get_static_image (animation));
+ scaler = gtk_scaler_new (GDK_PAINTABLE (texture), scale_factor);
+
+ gtk_image_set_from_paintable (image, scaler);
+
+ g_object_unref (scaler);
+ g_object_unref (texture);
priv->resource_path = g_strdup (resource_path);
--- /dev/null
+/*
+ * Copyright © 2018 Benjamin Otte
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors: Benjamin Otte <otte@gnome.org>
+ */
+
+#include "config.h"
+
+#include "gtkscalerprivate.h"
+
+#include "gtksnapshot.h"
+
+struct _GtkScaler
+{
+ GObject parent_instance;
+
+ GdkPaintable *paintable;
+ double scale_factor;
+};
+
+struct _GtkScalerClass
+{
+ GObjectClass parent_class;
+};
+
+static void
+gtk_scaler_paintable_snapshot (GdkPaintable *paintable,
+ GdkSnapshot *snapshot,
+ double width,
+ double height)
+{
+ GtkScaler *self = GTK_SCALER (paintable);
+
+ if (self->scale_factor == 1.0)
+ {
+ gdk_paintable_snapshot (self->paintable, snapshot, width, height);
+ }
+ else
+ {
+ graphene_matrix_t scale_matrix;
+
+ graphene_matrix_init_scale (&scale_matrix, 1.0 / self->scale_factor, 1.0 / self->scale_factor, 1.0);
+ gtk_snapshot_push_transform (snapshot,
+ &scale_matrix,
+ "GtkScaler<%g>",
+ self->scale_factor);
+ gdk_paintable_snapshot (self->paintable,
+ snapshot,
+ width * self->scale_factor,
+ height * self->scale_factor);
+ gtk_snapshot_pop (snapshot);
+ }
+}
+
+static GdkPaintable *
+gtk_scaler_paintable_get_current_image (GdkPaintable *paintable)
+{
+ GtkScaler *self = GTK_SCALER (paintable);
+ GdkPaintable *current_paintable, *current_self;
+
+ current_paintable = gdk_paintable_get_current_image (self->paintable);
+ current_self = gtk_scaler_new (current_paintable, self->scale_factor);
+ g_object_unref (current_paintable);
+
+ return current_self;
+}
+
+static GdkPaintableFlags
+gtk_scaler_paintable_get_flags (GdkPaintable *paintable)
+{
+ GtkScaler *self = GTK_SCALER (paintable);
+
+ return gdk_paintable_get_flags (self->paintable);
+}
+
+static int
+gtk_scaler_paintable_get_intrinsic_width (GdkPaintable *paintable)
+{
+ GtkScaler *self = GTK_SCALER (paintable);
+
+ return gdk_paintable_get_intrinsic_width (self->paintable) / self->scale_factor;
+}
+
+static int
+gtk_scaler_paintable_get_intrinsic_height (GdkPaintable *paintable)
+{
+ GtkScaler *self = GTK_SCALER (paintable);
+
+ return gdk_paintable_get_intrinsic_height (self->paintable) / self->scale_factor;
+}
+
+static double gtk_scaler_paintable_get_intrinsic_aspect_ratio (GdkPaintable *paintable)
+{
+ GtkScaler *self = GTK_SCALER (paintable);
+
+ return gdk_paintable_get_intrinsic_aspect_ratio (self->paintable);
+};
+
+static void
+gtk_scaler_paintable_init (GdkPaintableInterface *iface)
+{
+ iface->snapshot = gtk_scaler_paintable_snapshot;
+ iface->get_current_image = gtk_scaler_paintable_get_current_image;
+ iface->get_flags = gtk_scaler_paintable_get_flags;
+ iface->get_intrinsic_width = gtk_scaler_paintable_get_intrinsic_width;
+ iface->get_intrinsic_height = gtk_scaler_paintable_get_intrinsic_height;
+ iface->get_intrinsic_aspect_ratio = gtk_scaler_paintable_get_intrinsic_aspect_ratio;
+}
+
+G_DEFINE_TYPE_EXTENDED (GtkScaler, gtk_scaler, G_TYPE_OBJECT, 0,
+ G_IMPLEMENT_INTERFACE (GDK_TYPE_PAINTABLE,
+ gtk_scaler_paintable_init))
+
+static void
+gtk_scaler_dispose (GObject *object)
+{
+ GtkScaler *self = GTK_SCALER (object);
+
+ if (self->paintable)
+ {
+ g_signal_handlers_disconnect_by_func (self->paintable, gdk_paintable_invalidate_contents, self);
+ g_signal_handlers_disconnect_by_func (self->paintable, gdk_paintable_invalidate_size, self);
+ g_clear_object (&self->paintable);
+ }
+
+ G_OBJECT_CLASS (gtk_scaler_parent_class)->dispose (object);
+}
+
+static void
+gtk_scaler_class_init (GtkScalerClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ gobject_class->dispose = gtk_scaler_dispose;
+}
+
+static void
+gtk_scaler_init (GtkScaler *self)
+{
+ self->scale_factor = 1.0;
+}
+
+GdkPaintable *
+gtk_scaler_new (GdkPaintable *paintable,
+ double scale_factor)
+{
+ GtkScaler *self;
+
+ g_return_val_if_fail (GDK_IS_PAINTABLE (paintable), NULL);
+ g_return_val_if_fail (scale_factor > 0.0, NULL);
+
+ self = g_object_new (GTK_TYPE_SCALER, NULL);
+
+ self->paintable = g_object_ref (paintable);
+ g_signal_connect_swapped (paintable, "invalidate-contents", G_CALLBACK (gdk_paintable_invalidate_contents), self);
+ g_signal_connect_swapped (paintable, "invalidate-size", G_CALLBACK (gdk_paintable_invalidate_size), self);
+ self->scale_factor = scale_factor;
+
+ return GDK_PAINTABLE (self);
+}
--- /dev/null
+/*
+ * Copyright © 2018 Benjamin Otte
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors: Benjamin Otte <otte@gnome.org>
+ */
+
+#ifndef __GTK_SCALER_H__
+#define __GTK_SCALER_H__
+
+#include <gdk/gdk.h>
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_SCALER (gtk_scaler_get_type ())
+
+G_DECLARE_FINAL_TYPE (GtkScaler, gtk_scaler, GTK, SCALER, GObject)
+
+GdkPaintable * gtk_scaler_new (GdkPaintable *paintable,
+ double scale_factor);
+
+G_END_DECLS
+
+#endif /* __GTK_SCALER_H__ */
projects / gtk4.git / commitdiff