+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
/* GdkPixbuf library - Simple animation support
*
* Copyright (C) 1999 The Free Software Foundation
* Havoc Pennington <hp@redhat.com>
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
-#include <config.h>
+#include "config.h"
+#include <errno.h>
+#include "gdk-pixbuf-private.h"
#include "gdk-pixbuf-io.h"
+#include "gdk-pixbuf-i18n.h"
+#include "gdk-pixbuf-animation.h"
+#include "gdk-pixbuf-alias.h"
-\f
+#include <glib/gstdio.h>
+
+typedef struct _GdkPixbufNonAnim GdkPixbufNonAnim;
+typedef struct _GdkPixbufNonAnimClass GdkPixbufNonAnimClass;
+
+#define GDK_TYPE_PIXBUF_NON_ANIM (gdk_pixbuf_non_anim_get_type ())
+#define GDK_PIXBUF_NON_ANIM(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_PIXBUF_NON_ANIM, GdkPixbufNonAnim))
+#define GDK_IS_PIXBUF_NON_ANIM(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_PIXBUF_NON_ANIM))
+
+#define GDK_PIXBUF_NON_ANIM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_PIXBUF_NON_ANIM, GdkPixbufNonAnimClass))
+#define GDK_IS_PIXBUF_NON_ANIM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_PIXBUF_NON_ANIM))
+#define GDK_PIXBUF_NON_ANIM_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_PIXBUF_NON_ANIM, GdkPixbufNonAnimClass))
+
+/* Private part of the GdkPixbufNonAnim structure */
+struct _GdkPixbufNonAnim {
+ GdkPixbufAnimation parent_instance;
+
+ GdkPixbuf *pixbuf;
+};
+
+struct _GdkPixbufNonAnimClass {
+ GdkPixbufAnimationClass parent_class;
+
+};
+
+
+typedef struct _GdkPixbufNonAnimIter GdkPixbufNonAnimIter;
+typedef struct _GdkPixbufNonAnimIterClass GdkPixbufNonAnimIterClass;
+
+
+#define GDK_TYPE_PIXBUF_NON_ANIM_ITER (gdk_pixbuf_non_anim_iter_get_type ())
+#define GDK_PIXBUF_NON_ANIM_ITER(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_PIXBUF_NON_ANIM_ITER, GdkPixbufNonAnimIter))
+#define GDK_IS_PIXBUF_NON_ANIM_ITER(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_PIXBUF_NON_ANIM_ITER))
+
+#define GDK_PIXBUF_NON_ANIM_ITER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_PIXBUF_NON_ANIM_ITER, GdkPixbufNonAnimIterClass))
+#define GDK_IS_PIXBUF_NON_ANIM_ITER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_PIXBUF_NON_ANIM_ITER))
+#define GDK_PIXBUF_NON_ANIM_ITER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_PIXBUF_NON_ANIM_ITER, GdkPixbufNonAnimIterClass))
+
+struct _GdkPixbufNonAnimIter {
+ GdkPixbufAnimationIter parent_instance;
+
+ GdkPixbufNonAnim *non_anim;
+};
+
+struct _GdkPixbufNonAnimIterClass {
+ GdkPixbufAnimationIterClass parent_class;
+
+};
+
+static GType gdk_pixbuf_non_anim_iter_get_type (void) G_GNUC_CONST;
+
+G_DEFINE_TYPE (GdkPixbufAnimation, gdk_pixbuf_animation, G_TYPE_OBJECT);
+
+static void
+gdk_pixbuf_animation_class_init (GdkPixbufAnimationClass *klass)
+{
+}
+
+static void
+gdk_pixbuf_animation_init (GdkPixbufAnimation *animation)
+{
+}
/**
* gdk_pixbuf_animation_new_from_file:
- * @filename: Name of file to load.
+ * @filename: Name of file to load, in the GLib file name encoding
+ * @error: return location for error
*
* Creates a new animation by loading it from a file. The file format is
* detected automatically. If the file's format does not support multi-frame
- * images, then an animation with a single frame will be created.
+ * images, then an animation with a single frame will be created. Possible errors
+ * are in the #GDK_PIXBUF_ERROR and #G_FILE_ERROR domains.
*
- * Return value: A newly created animation with a reference count of 1, or NULL
+ * Return value: A newly-created animation with a reference count of 1, or %NULL
* if any of several error conditions ocurred: the file could not be opened,
* there was no loader for the file's format, there was not enough memory to
* allocate the image buffer, or the image file contained invalid data.
**/
GdkPixbufAnimation *
-gdk_pixbuf_animation_new_from_file (const char *filename)
+gdk_pixbuf_animation_new_from_file (const char *filename,
+ GError **error)
{
GdkPixbufAnimation *animation;
int size;
FILE *f;
- guchar buffer [128];
+ guchar buffer [1024];
GdkPixbufModule *image_module;
+ gchar *display_name;
+ gboolean locked = FALSE;
g_return_val_if_fail (filename != NULL, NULL);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
- f = fopen (filename, "r");
- if (!f)
+ display_name = g_filename_display_name (filename);
+ f = g_fopen (filename, "rb");
+ if (!f) {
+ gint save_errno = errno;
+ g_set_error (error,
+ G_FILE_ERROR,
+ g_file_error_from_errno (save_errno),
+ _("Failed to open file '%s': %s"),
+ display_name,
+ g_strerror (save_errno));
+ g_free (display_name);
return NULL;
+ }
size = fread (&buffer, 1, sizeof (buffer), f);
if (size == 0) {
+ g_set_error (error,
+ GDK_PIXBUF_ERROR,
+ GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
+ _("Image file '%s' contains no data"),
+ display_name);
+ g_free (display_name);
fclose (f);
return NULL;
}
- image_module = gdk_pixbuf_get_module (buffer, size);
+ image_module = _gdk_pixbuf_get_module (buffer, size, filename, error);
if (!image_module) {
- g_warning ("Unable to find handler for file: %s", filename);
+ g_free (display_name);
fclose (f);
return NULL;
}
if (image_module->module == NULL)
- gdk_pixbuf_load_module (image_module);
+ if (!_gdk_pixbuf_load_module (image_module, error)) {
+ g_free (display_name);
+ fclose (f);
+ return NULL;
+ }
if (image_module->load_animation == NULL) {
GdkPixbuf *pixbuf;
- GdkPixbufFrame *frame;
/* Keep this logic in sync with gdk_pixbuf_new_from_file() */
- if (image_module->load == NULL) {
- fclose (f);
- return NULL;
- }
-
fseek (f, 0, SEEK_SET);
- pixbuf = (* image_module->load) (f);
+ pixbuf = _gdk_pixbuf_generic_image_load (image_module, f, error);
fclose (f);
- if (pixbuf)
- g_assert (pixbuf->ref_count > 0);
- else
- return NULL;
-
- frame = g_new (GdkPixbufFrame, 1);
- frame->pixbuf = pixbuf;
- frame->x_offset = 0;
- frame->y_offset = 0;
- frame->delay_time = -1;
- frame->action = GDK_PIXBUF_FRAME_RETAIN;
-
- animation = g_new0 (GdkPixbufAnimation, 1);
- animation->ref_count = 1;
- animation->n_frames = 1;
- animation->frames = g_list_prepend (NULL, frame);
- animation->width = gdk_pixbuf_get_width (pixbuf);
- animation->height = gdk_pixbuf_get_height (pixbuf);
+ if (pixbuf == NULL && error != NULL && *error == NULL) {
+ /* I don't trust these crufty longjmp()'ing image libs
+ * to maintain proper error invariants, and I don't
+ * want user code to segfault as a result. We need to maintain
+ * the invariant that error gets set if NULL is returned.
+ */
+
+ g_warning ("Bug! gdk-pixbuf loader '%s' didn't set an error on failure.",
+ image_module->module_name);
+ g_set_error (error,
+ GDK_PIXBUF_ERROR,
+ GDK_PIXBUF_ERROR_FAILED,
+ _("Failed to load image '%s': reason not known, probably a corrupt image file"),
+ display_name);
+ }
+
+ if (pixbuf == NULL) {
+ g_free (display_name);
+ animation = NULL;
+ goto out_unlock;
+ }
+
+ animation = gdk_pixbuf_non_anim_new (pixbuf);
+
+ g_object_unref (pixbuf);
} else {
+ locked = _gdk_pixbuf_lock (image_module);
+
fseek (f, 0, SEEK_SET);
- animation = (* image_module->load_animation) (f);
+ animation = (* image_module->load_animation) (f, error);
+
+ if (animation == NULL && error != NULL && *error == NULL) {
+ /* I don't trust these crufty longjmp()'ing
+ * image libs to maintain proper error
+ * invariants, and I don't want user code to
+ * segfault as a result. We need to maintain
+ * the invariant that error gets set if NULL
+ * is returned.
+ */
+
+ g_warning ("Bug! gdk-pixbuf loader '%s' didn't set an error on failure.",
+ image_module->module_name);
+ g_set_error (error,
+ GDK_PIXBUF_ERROR,
+ GDK_PIXBUF_ERROR_FAILED,
+ _("Failed to load animation '%s': reason not known, probably a corrupt animation file"),
+ display_name);
+ }
+
fclose (f);
}
+ g_free (display_name);
+
+ out_unlock:
+ if (locked)
+ _gdk_pixbuf_unlock (image_module);
return animation;
}
+#ifdef G_OS_WIN32
+
+#undef gdk_pixbuf_animation_new_from_file
+
+GdkPixbufAnimation *
+gdk_pixbuf_animation_new_from_file (const char *filename,
+ GError **error)
+{
+ gchar *utf8_filename =
+ g_locale_to_utf8 (filename, -1, NULL, NULL, error);
+ GdkPixbufAnimation *retval;
+
+ if (utf8_filename == NULL)
+ return NULL;
+
+ retval = gdk_pixbuf_animation_new_from_file_utf8 (utf8_filename, error);
+
+ g_free (utf8_filename);
+
+ return retval;
+}
+
+#endif
+
/**
* gdk_pixbuf_animation_ref:
* @animation: An animation.
*
- * Adds a reference to an animation. It must be released afterwards using
- * gdk_pixbuf_animation_unref().
+ * Adds a reference to an animation.
*
* Return value: The same as the @animation argument.
+ *
+ * Deprecated: 2.0: Use g_object_ref().
**/
GdkPixbufAnimation *
gdk_pixbuf_animation_ref (GdkPixbufAnimation *animation)
{
- g_return_val_if_fail (animation != NULL, NULL);
- g_return_val_if_fail (animation->ref_count > 0, NULL);
-
- animation->ref_count++;
- return animation;
+ return (GdkPixbufAnimation*) g_object_ref (animation);
}
/**
* gdk_pixbuf_animation_unref:
* @animation: An animation.
*
- * Removes a reference from an animation. It will be destroyed when the
- * reference count drops to zero. At that point, all the frames in the
- * animation will be freed and their corresponding pixbufs will be unreferenced.
+ * Removes a reference from an animation.
+ *
+ * Deprecated: 2.0: Use g_object_unref().
**/
void
gdk_pixbuf_animation_unref (GdkPixbufAnimation *animation)
{
- g_return_if_fail (animation != NULL);
- g_return_if_fail (animation->ref_count > 0);
+ g_object_unref (animation);
+}
- animation->ref_count--;
+/**
+ * gdk_pixbuf_animation_is_static_image:
+ * @animation: a #GdkPixbufAnimation
+ *
+ * If you load a file with gdk_pixbuf_animation_new_from_file() and it turns
+ * out to be a plain, unanimated image, then this function will return
+ * %TRUE. Use gdk_pixbuf_animation_get_static_image() to retrieve
+ * the image.
+ *
+ * Return value: %TRUE if the "animation" was really just an image
+ **/
+gboolean
+gdk_pixbuf_animation_is_static_image (GdkPixbufAnimation *animation)
+{
+ g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION (animation), FALSE);
- if (animation->ref_count == 0) {
- GList *l;
- GdkPixbufFrame *frame;
+ return GDK_PIXBUF_ANIMATION_GET_CLASS (animation)->is_static_image (animation);
+}
- for (l = animation->frames; l; l = l->next) {
- frame = l->data;
- gdk_pixbuf_unref (frame->pixbuf);
- g_free (frame);
- }
+/**
+ * gdk_pixbuf_animation_get_static_image:
+ * @animation: a #GdkPixbufAnimation
+ *
+ * If an animation is really just a plain image (has only one frame),
+ * this function returns that image. If the animation is an animation,
+ * this function returns a reasonable thing to display as a static
+ * unanimated image, which might be the first frame, or something more
+ * sophisticated. If an animation hasn't loaded any frames yet, this
+ * function will return %NULL.
+ *
+ * Return value: unanimated image representing the animation
+ **/
+GdkPixbuf*
+gdk_pixbuf_animation_get_static_image (GdkPixbufAnimation *animation)
+{
+ g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION (animation), NULL);
+
+ return GDK_PIXBUF_ANIMATION_GET_CLASS (animation)->get_static_image (animation);
+}
- g_list_free (animation->frames);
- g_free (animation);
- }
+/**
+ * gdk_pixbuf_animation_get_width:
+ * @animation: An animation.
+ *
+ * Queries the width of the bounding box of a pixbuf animation.
+ *
+ * Return value: Width of the bounding box of the animation.
+ **/
+int
+gdk_pixbuf_animation_get_width (GdkPixbufAnimation *animation)
+{
+ int width;
+
+ g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION (animation), 0);
+
+ width = 0;
+ GDK_PIXBUF_ANIMATION_GET_CLASS (animation)->get_size (animation,
+ &width, NULL);
+
+
+ return width;
}
+
+/**
+ * gdk_pixbuf_animation_get_height:
+ * @animation: An animation.
+ *
+ * Queries the height of the bounding box of a pixbuf animation.
+ *
+ * Return value: Height of the bounding box of the animation.
+ **/
+int
+gdk_pixbuf_animation_get_height (GdkPixbufAnimation *animation)
+{
+ int height;
+
+ g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION (animation), 0);
+
+ height = 0;
+ GDK_PIXBUF_ANIMATION_GET_CLASS (animation)->get_size (animation,
+ NULL, &height);
+
+
+ return height;
+}
+
+
+/**
+ * gdk_pixbuf_animation_get_iter:
+ * @animation: a #GdkPixbufAnimation
+ * @start_time: time when the animation starts playing
+ *
+ * Get an iterator for displaying an animation. The iterator provides
+ * the frames that should be displayed at a given time.
+ * It should be freed after use with g_object_unref().
+ *
+ * @start_time would normally come from g_get_current_time(), and
+ * marks the beginning of animation playback. After creating an
+ * iterator, you should immediately display the pixbuf returned by
+ * gdk_pixbuf_animation_iter_get_pixbuf(). Then, you should install a
+ * timeout (with g_timeout_add()) or by some other mechanism ensure
+ * that you'll update the image after
+ * gdk_pixbuf_animation_iter_get_delay_time() milliseconds. Each time
+ * the image is updated, you should reinstall the timeout with the new,
+ * possibly-changed delay time.
+ *
+ * As a shortcut, if @start_time is %NULL, the result of
+ * g_get_current_time() will be used automatically.
+ *
+ * To update the image (i.e. possibly change the result of
+ * gdk_pixbuf_animation_iter_get_pixbuf() to a new frame of the animation),
+ * call gdk_pixbuf_animation_iter_advance().
+ *
+ * If you're using #GdkPixbufLoader, in addition to updating the image
+ * after the delay time, you should also update it whenever you
+ * receive the area_updated signal and
+ * gdk_pixbuf_animation_iter_on_currently_loading_frame() returns
+ * %TRUE. In this case, the frame currently being fed into the loader
+ * has received new data, so needs to be refreshed. The delay time for
+ * a frame may also be modified after an area_updated signal, for
+ * example if the delay time for a frame is encoded in the data after
+ * the frame itself. So your timeout should be reinstalled after any
+ * area_updated signal.
+ *
+ * A delay time of -1 is possible, indicating "infinite."
+ *
+ * Return value: an iterator to move over the animation
+ **/
+GdkPixbufAnimationIter*
+gdk_pixbuf_animation_get_iter (GdkPixbufAnimation *animation,
+ const GTimeVal *start_time)
+{
+ GTimeVal val;
+
+ g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION (animation), NULL);
+
+
+ if (start_time)
+ val = *start_time;
+ else
+ g_get_current_time (&val);
+
+ return GDK_PIXBUF_ANIMATION_GET_CLASS (animation)->get_iter (animation, &val);
+}
+
+G_DEFINE_TYPE (GdkPixbufAnimationIter, gdk_pixbuf_animation_iter, G_TYPE_OBJECT);
+
+static void
+gdk_pixbuf_animation_iter_class_init (GdkPixbufAnimationIterClass *klass)
+{
+}
+
+static void
+gdk_pixbuf_animation_iter_init (GdkPixbufAnimationIter *iter)
+{
+}
+
+/**
+ * gdk_pixbuf_animation_iter_get_delay_time:
+ * @iter: an animation iterator
+ *
+ * Gets the number of milliseconds the current pixbuf should be displayed,
+ * or -1 if the current pixbuf should be displayed forever. g_timeout_add()
+ * conveniently takes a timeout in milliseconds, so you can use a timeout
+ * to schedule the next update.
+ *
+ * Return value: delay time in milliseconds (thousandths of a second)
+ **/
+int
+gdk_pixbuf_animation_iter_get_delay_time (GdkPixbufAnimationIter *iter)
+{
+ g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION_ITER (iter), -1);
+ g_return_val_if_fail (GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->get_delay_time, -1);
+
+ return GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->get_delay_time (iter);
+}
+
+/**
+ * gdk_pixbuf_animation_iter_get_pixbuf:
+ * @iter: an animation iterator
+ *
+ * Gets the current pixbuf which should be displayed; the pixbuf will
+ * be the same size as the animation itself
+ * (gdk_pixbuf_animation_get_width(), gdk_pixbuf_animation_get_height()).
+ * This pixbuf should be displayed for
+ * gdk_pixbuf_animation_iter_get_delay_time() milliseconds. The caller
+ * of this function does not own a reference to the returned pixbuf;
+ * the returned pixbuf will become invalid when the iterator advances
+ * to the next frame, which may happen anytime you call
+ * gdk_pixbuf_animation_iter_advance(). Copy the pixbuf to keep it
+ * (don't just add a reference), as it may get recycled as you advance
+ * the iterator.
+ *
+ * Return value: the pixbuf to be displayed
+ **/
+GdkPixbuf*
+gdk_pixbuf_animation_iter_get_pixbuf (GdkPixbufAnimationIter *iter)
+{
+ g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION_ITER (iter), NULL);
+ g_return_val_if_fail (GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->get_pixbuf, NULL);
+
+ return GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->get_pixbuf (iter);
+}
+
+/**
+ * gdk_pixbuf_animation_iter_on_currently_loading_frame:
+ * @iter: a #GdkPixbufAnimationIter
+ *
+ * Used to determine how to respond to the area_updated signal on
+ * #GdkPixbufLoader when loading an animation. area_updated is emitted
+ * for an area of the frame currently streaming in to the loader. So if
+ * you're on the currently loading frame, you need to redraw the screen for
+ * the updated area.
+ *
+ * Return value: %TRUE if the frame we're on is partially loaded, or the last frame
+ **/
+gboolean
+gdk_pixbuf_animation_iter_on_currently_loading_frame (GdkPixbufAnimationIter *iter)
+{
+ g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION_ITER (iter), FALSE);
+ g_return_val_if_fail (GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->on_currently_loading_frame, FALSE);
+
+ return GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->on_currently_loading_frame (iter);
+}
+
+/**
+ * gdk_pixbuf_animation_iter_advance:
+ * @iter: a #GdkPixbufAnimationIter
+ * @current_time: current time
+ *
+ * Possibly advances an animation to a new frame. Chooses the frame based
+ * on the start time passed to gdk_pixbuf_animation_get_iter().
+ *
+ * @current_time would normally come from g_get_current_time(), and
+ * must be greater than or equal to the time passed to
+ * gdk_pixbuf_animation_get_iter(), and must increase or remain
+ * unchanged each time gdk_pixbuf_animation_iter_get_pixbuf() is
+ * called. That is, you can't go backward in time; animations only
+ * play forward.
+ *
+ * As a shortcut, pass %NULL for the current time and g_get_current_time()
+ * will be invoked on your behalf. So you only need to explicitly pass
+ * @current_time if you're doing something odd like playing the animation
+ * at double speed.
+ *
+ * If this function returns %FALSE, there's no need to update the animation
+ * display, assuming the display had been rendered prior to advancing;
+ * if %TRUE, you need to call gdk_animation_iter_get_pixbuf() and update the
+ * display with the new pixbuf.
+ *
+ * Returns: %TRUE if the image may need updating
+ *
+ **/
+gboolean
+gdk_pixbuf_animation_iter_advance (GdkPixbufAnimationIter *iter,
+ const GTimeVal *current_time)
+{
+ GTimeVal val;
+
+ g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION_ITER (iter), FALSE);
+ g_return_val_if_fail (GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->advance, FALSE);
+
+ if (current_time)
+ val = *current_time;
+ else
+ g_get_current_time (&val);
+
+ return GDK_PIXBUF_ANIMATION_ITER_GET_CLASS (iter)->advance (iter, &val);
+}
+
+static void gdk_pixbuf_non_anim_finalize (GObject *object);
+static gboolean gdk_pixbuf_non_anim_is_static_image (GdkPixbufAnimation *animation);
+static GdkPixbuf* gdk_pixbuf_non_anim_get_static_image (GdkPixbufAnimation *animation);
+static void gdk_pixbuf_non_anim_get_size (GdkPixbufAnimation *anim,
+ int *width,
+ int *height);
+static GdkPixbufAnimationIter* gdk_pixbuf_non_anim_get_iter (GdkPixbufAnimation *anim,
+ const GTimeVal *start_time);
+
+G_DEFINE_TYPE (GdkPixbufNonAnim, gdk_pixbuf_non_anim, GDK_TYPE_PIXBUF_ANIMATION);
+
+static void
+gdk_pixbuf_non_anim_class_init (GdkPixbufNonAnimClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GdkPixbufAnimationClass *anim_class = GDK_PIXBUF_ANIMATION_CLASS (klass);
+
+ object_class->finalize = gdk_pixbuf_non_anim_finalize;
+
+ anim_class->is_static_image = gdk_pixbuf_non_anim_is_static_image;
+ anim_class->get_static_image = gdk_pixbuf_non_anim_get_static_image;
+ anim_class->get_size = gdk_pixbuf_non_anim_get_size;
+ anim_class->get_iter = gdk_pixbuf_non_anim_get_iter;
+}
+
+static void
+gdk_pixbuf_non_anim_init (GdkPixbufNonAnim *non_anim)
+{
+}
+
+static void
+gdk_pixbuf_non_anim_finalize (GObject *object)
+{
+ GdkPixbufNonAnim *non_anim = GDK_PIXBUF_NON_ANIM (object);
+
+ if (non_anim->pixbuf)
+ g_object_unref (non_anim->pixbuf);
+
+ G_OBJECT_CLASS (gdk_pixbuf_non_anim_parent_class)->finalize (object);
+}
+
+GdkPixbufAnimation*
+gdk_pixbuf_non_anim_new (GdkPixbuf *pixbuf)
+{
+ GdkPixbufNonAnim *non_anim;
+
+ non_anim = g_object_new (GDK_TYPE_PIXBUF_NON_ANIM, NULL);
+
+ non_anim->pixbuf = pixbuf;
+
+ if (pixbuf)
+ g_object_ref (pixbuf);
+
+ return GDK_PIXBUF_ANIMATION (non_anim);
+}
+
+static gboolean
+gdk_pixbuf_non_anim_is_static_image (GdkPixbufAnimation *animation)
+{
+
+ return TRUE;
+}
+
+static GdkPixbuf*
+gdk_pixbuf_non_anim_get_static_image (GdkPixbufAnimation *animation)
+{
+ GdkPixbufNonAnim *non_anim;
+
+ non_anim = GDK_PIXBUF_NON_ANIM (animation);
+
+ return non_anim->pixbuf;
+}
+
+static void
+gdk_pixbuf_non_anim_get_size (GdkPixbufAnimation *anim,
+ int *width,
+ int *height)
+{
+ GdkPixbufNonAnim *non_anim;
+
+ non_anim = GDK_PIXBUF_NON_ANIM (anim);
+
+ if (width)
+ *width = gdk_pixbuf_get_width (non_anim->pixbuf);
+
+ if (height)
+ *height = gdk_pixbuf_get_height (non_anim->pixbuf);
+}
+
+static GdkPixbufAnimationIter*
+gdk_pixbuf_non_anim_get_iter (GdkPixbufAnimation *anim,
+ const GTimeVal *start_time)
+{
+ GdkPixbufNonAnimIter *iter;
+
+ iter = g_object_new (GDK_TYPE_PIXBUF_NON_ANIM_ITER, NULL);
+
+ iter->non_anim = GDK_PIXBUF_NON_ANIM (anim);
+
+ g_object_ref (iter->non_anim);
+
+ return GDK_PIXBUF_ANIMATION_ITER (iter);
+}
+
+static void gdk_pixbuf_non_anim_iter_finalize (GObject *object);
+static int gdk_pixbuf_non_anim_iter_get_delay_time (GdkPixbufAnimationIter *iter);
+static GdkPixbuf* gdk_pixbuf_non_anim_iter_get_pixbuf (GdkPixbufAnimationIter *iter);
+static gboolean gdk_pixbuf_non_anim_iter_on_currently_loading_frame (GdkPixbufAnimationIter *iter);
+static gboolean gdk_pixbuf_non_anim_iter_advance (GdkPixbufAnimationIter *iter,
+ const GTimeVal *current_time);
+
+G_DEFINE_TYPE (GdkPixbufNonAnimIter,
+ gdk_pixbuf_non_anim_iter,
+ GDK_TYPE_PIXBUF_ANIMATION_ITER);
+
+static void
+gdk_pixbuf_non_anim_iter_class_init (GdkPixbufNonAnimIterClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GdkPixbufAnimationIterClass *anim_iter_class =
+ GDK_PIXBUF_ANIMATION_ITER_CLASS (klass);
+
+ object_class->finalize = gdk_pixbuf_non_anim_iter_finalize;
+
+ anim_iter_class->get_delay_time = gdk_pixbuf_non_anim_iter_get_delay_time;
+ anim_iter_class->get_pixbuf = gdk_pixbuf_non_anim_iter_get_pixbuf;
+ anim_iter_class->on_currently_loading_frame = gdk_pixbuf_non_anim_iter_on_currently_loading_frame;
+ anim_iter_class->advance = gdk_pixbuf_non_anim_iter_advance;
+}
+
+static void
+gdk_pixbuf_non_anim_iter_init (GdkPixbufNonAnimIter *non_iter)
+{
+}
+
+static void
+gdk_pixbuf_non_anim_iter_finalize (GObject *object)
+{
+ GdkPixbufNonAnimIter *iter = GDK_PIXBUF_NON_ANIM_ITER (object);
+
+ g_object_unref (iter->non_anim);
+
+ G_OBJECT_CLASS (gdk_pixbuf_non_anim_iter_parent_class)->finalize (object);
+}
+
+static int
+gdk_pixbuf_non_anim_iter_get_delay_time (GdkPixbufAnimationIter *iter)
+{
+ return -1; /* show only frame forever */
+}
+
+static GdkPixbuf*
+gdk_pixbuf_non_anim_iter_get_pixbuf (GdkPixbufAnimationIter *iter)
+{
+ return GDK_PIXBUF_NON_ANIM_ITER (iter)->non_anim->pixbuf;
+}
+
+
+static gboolean
+gdk_pixbuf_non_anim_iter_on_currently_loading_frame (GdkPixbufAnimationIter *iter)
+{
+ return TRUE;
+}
+
+static gboolean
+gdk_pixbuf_non_anim_iter_advance (GdkPixbufAnimationIter *iter,
+ const GTimeVal *current_time)
+{
+
+ /* Advancing never requires a refresh */
+ return FALSE;
+}
+
+#define __GDK_PIXBUF_ANIMATION_C__
+#include "gdk-pixbuf-aliasdef.c"
projects / ~andy / gtk / blobdiff