forked from AuroraMiddleware/gtk
186 lines
4.8 KiB
C
186 lines
4.8 KiB
C
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#include <gtk/gtk.h>
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#include "pixbufpaintable.h"
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struct _PixbufPaintable {
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GObject parent_instance;
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char *resource_path;
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GdkPixbufAnimation *anim;
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GdkPixbufAnimationIter *iter;
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guint timeout;
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};
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enum {
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PROP_RESOURCE_PATH = 1,
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NUM_PROPERTIES
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};
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static void
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pixbuf_paintable_snapshot (GdkPaintable *paintable,
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GdkSnapshot *snapshot,
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double width,
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double height)
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{
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PixbufPaintable *self = PIXBUF_PAINTABLE (paintable);
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GTimeVal val;
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GdkPixbuf *pixbuf;
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GdkTexture *texture;
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g_get_current_time (&val);
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gdk_pixbuf_animation_iter_advance (self->iter, &val);
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pixbuf = gdk_pixbuf_animation_iter_get_pixbuf (self->iter);
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texture = gdk_texture_new_for_pixbuf (pixbuf);
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gdk_paintable_snapshot (GDK_PAINTABLE (texture), snapshot, width, height);
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g_object_unref (texture);
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}
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static int
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pixbuf_paintable_get_intrinsic_width (GdkPaintable *paintable)
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{
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PixbufPaintable *self = PIXBUF_PAINTABLE (paintable);
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return gdk_pixbuf_animation_get_width (self->anim);
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}
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static int
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pixbuf_paintable_get_intrinsic_height (GdkPaintable *paintable)
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{
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PixbufPaintable *self = PIXBUF_PAINTABLE (paintable);
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return gdk_pixbuf_animation_get_height (self->anim);
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}
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static void
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pixbuf_paintable_init_interface (GdkPaintableInterface *iface)
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{
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iface->snapshot = pixbuf_paintable_snapshot;
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iface->get_intrinsic_width = pixbuf_paintable_get_intrinsic_width;
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iface->get_intrinsic_height = pixbuf_paintable_get_intrinsic_height;
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}
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G_DEFINE_TYPE_WITH_CODE(PixbufPaintable, pixbuf_paintable, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (GDK_TYPE_PAINTABLE,
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pixbuf_paintable_init_interface))
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static void
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pixbuf_paintable_init (PixbufPaintable *paintable)
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{
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}
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static gboolean
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delay_cb (gpointer data)
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{
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PixbufPaintable *self = data;
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int delay;
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delay = gdk_pixbuf_animation_iter_get_delay_time (self->iter);
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self->timeout = g_timeout_add (delay, delay_cb, self);
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gdk_paintable_invalidate_contents (GDK_PAINTABLE (self));
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return G_SOURCE_REMOVE;
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}
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static void
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pixbuf_paintable_set_resource_path (PixbufPaintable *self,
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const char *resource_path)
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{
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int delay;
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g_free (self->resource_path);
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self->resource_path = g_strdup (resource_path);
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g_clear_object (&self->anim);
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self->anim = gdk_pixbuf_animation_new_from_resource (resource_path, NULL);
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g_clear_object (&self->iter);
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self->iter = gdk_pixbuf_animation_get_iter (self->anim, NULL);
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delay = gdk_pixbuf_animation_iter_get_delay_time (self->iter);
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self->timeout = g_timeout_add (delay, delay_cb, self);
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gdk_paintable_invalidate_contents (GDK_PAINTABLE (self));
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g_object_notify (G_OBJECT (self), "resource-path");
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}
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static void
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pixbuf_paintable_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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PixbufPaintable *self = PIXBUF_PAINTABLE (object);
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switch (prop_id)
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{
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case PROP_RESOURCE_PATH:
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pixbuf_paintable_set_resource_path (self, g_value_get_string (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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pixbuf_paintable_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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PixbufPaintable *self = PIXBUF_PAINTABLE (object);
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switch (prop_id)
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{
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case PROP_RESOURCE_PATH:
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g_value_set_string (value, self->resource_path);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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pixbuf_paintable_dispose (GObject *object)
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{
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PixbufPaintable *self = PIXBUF_PAINTABLE (object);
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g_clear_pointer (&self->resource_path, g_free);
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g_clear_object (&self->anim);
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g_clear_object (&self->iter);
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if (self->timeout)
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{
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g_source_remove (self->timeout);
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self->timeout = 0;
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}
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G_OBJECT_CLASS (pixbuf_paintable_parent_class)->dispose (object);
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}
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static void
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pixbuf_paintable_class_init (PixbufPaintableClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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object_class->dispose = pixbuf_paintable_dispose;
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object_class->get_property = pixbuf_paintable_get_property;
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object_class->set_property = pixbuf_paintable_set_property;
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g_object_class_install_property (object_class, PROP_RESOURCE_PATH,
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g_param_spec_string ("resource-path", "Resource path", "Resource path",
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NULL, G_PARAM_READWRITE));
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}
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GdkPaintable *
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pixbuf_paintable_new_from_resource (const char *path)
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{
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return g_object_new (PIXBUF_TYPE_PAINTABLE,
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"resource-path", path,
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NULL);
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}
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