gdip-pixbuf-loader r36 - in trunk: . src



Author: doml
Date: Sun Feb 24 23:49:02 2008
New Revision: 36
URL: http://svn.gnome.org/viewvc/gdip-pixbuf-loader?rev=36&view=rev

Log:
2008-02-24  Dom Lachowicz <domlachowicz gmail com>

	* src/io-gdip-animation.[ch]: Animation class and interator
	* src/io-gdip-utils.c: Use animation iter. GDI+ animations now work.

Added:
   trunk/src/io-gdip-animation.c
   trunk/src/io-gdip-animation.h
Modified:
   trunk/ChangeLog
   trunk/src/Makefile.test
   trunk/src/io-gdip-utils.c

Modified: trunk/src/Makefile.test
==============================================================================
--- trunk/src/Makefile.test	(original)
+++ trunk/src/Makefile.test	Sun Feb 24 23:49:02 2008
@@ -17,26 +17,26 @@
 	$(CC) -Wall -O0 -g $(CFLAGS) $(LDFLAGS) test-save.c -o test-save.exe -lole32 -lglib-2.0 -lgobject-2.0 -lgdk_pixbuf-2.0
 	$(CP) test-save.exe $(PREFIX)/bin
 
-libpixbufloader-gdip.dll: io-gdip-native.h  io-gdip-utils.c  io-gdip-utils.h  io-gdip.c  Makefile.test
-	$(CC) -Wall -O0 -g -shared io-gdip-utils.c io-gdip.c $(CFLAGS) $(LDFLAGS) -lole32 -lglib-2.0 -lgobject-2.0 -lgdk_pixbuf-2.0 -o $@
+libpixbufloader-gdip.dll: io-gdip-native.h  io-gdip-utils.c  io-gdip-utils.h  io-gdip.c  io-gdip-animation.c  io-gdip-animation.h  Makefile.test
+	$(CC) -Wall -O0 -g -shared io-gdip-utils.c io-gdip.c io-gdip-animation.c $(CFLAGS) $(LDFLAGS) -lole32 -lglib-2.0 -lgobject-2.0 -lgdk_pixbuf-2.0 -o $@
 	$(CP) $@ $(LOADER_DIR)
 
-libpixbufloader-gdip-bmp.dll: io-gdip-native.h  io-gdip-utils.c  io-gdip-utils.h  io-gdip-bmp.c  Makefile.test
-	$(CC) -Wall -O0 -g -shared io-gdip-utils.c io-gdip-bmp.c $(CFLAGS) $(LDFLAGS) -lole32 -lglib-2.0 -lgobject-2.0 -lgdk_pixbuf-2.0 -o $@
+libpixbufloader-gdip-bmp.dll: io-gdip-native.h  io-gdip-utils.c  io-gdip-utils.h  io-gdip-bmp.c  io-gdip-animation.c  io-gdip-animation.h  Makefile.test
+	$(CC) -Wall -O0 -g -shared io-gdip-utils.c io-gdip-bmp.c io-gdip-animation.c $(CFLAGS) $(LDFLAGS) -lole32 -lglib-2.0 -lgobject-2.0 -lgdk_pixbuf-2.0 -o $@
 	$(CP) $@ $(LOADER_DIR)
 
-libpixbufloader-gdip-gif.dll: io-gdip-native.h  io-gdip-utils.c  io-gdip-utils.h  io-gdip-gif.c  Makefile.test
-	$(CC) -Wall -O0 -g -shared io-gdip-utils.c io-gdip-gif.c $(CFLAGS) $(LDFLAGS) -lole32 -lglib-2.0 -lgobject-2.0 -lgdk_pixbuf-2.0 -o $@
+libpixbufloader-gdip-gif.dll: io-gdip-native.h  io-gdip-utils.c  io-gdip-utils.h  io-gdip-gif.c  io-gdip-animation.c  io-gdip-animation.h  Makefile.test
+	$(CC) -Wall -O0 -g -shared io-gdip-utils.c io-gdip-gif.c io-gdip-animation.c $(CFLAGS) $(LDFLAGS) -lole32 -lglib-2.0 -lgobject-2.0 -lgdk_pixbuf-2.0 -o $@
 	$(CP) $@ $(LOADER_DIR)
 
-libpixbufloader-gdip-jpeg.dll: io-gdip-native.h  io-gdip-utils.c  io-gdip-utils.h  io-gdip-jpeg.c  Makefile.test
-	$(CC) -Wall -O0 -g -shared io-gdip-utils.c io-gdip-jpeg.c $(CFLAGS) $(LDFLAGS) -lole32 -lglib-2.0 -lgobject-2.0 -lgdk_pixbuf-2.0 -o $@
+libpixbufloader-gdip-jpeg.dll: io-gdip-native.h  io-gdip-utils.c  io-gdip-utils.h  io-gdip-jpeg.c  io-gdip-animation.c  io-gdip-animation.h  Makefile.test
+	$(CC) -Wall -O0 -g -shared io-gdip-utils.c io-gdip-jpeg.c io-gdip-animation.c $(CFLAGS) $(LDFLAGS) -lole32 -lglib-2.0 -lgobject-2.0 -lgdk_pixbuf-2.0 -o $@
 	$(CP) $@ $(LOADER_DIR)
 
-libpixbufloader-gdip-png.dll: io-gdip-native.h  io-gdip-utils.c  io-gdip-utils.h  io-gdip-png.c  Makefile.test
-	$(CC) -Wall -O0 -g -shared io-gdip-utils.c io-gdip-png.c $(CFLAGS) $(LDFLAGS) -lole32 -lglib-2.0 -lgobject-2.0 -lgdk_pixbuf-2.0 -o $@
+libpixbufloader-gdip-png.dll: io-gdip-native.h  io-gdip-utils.c  io-gdip-utils.h  io-gdip-png.c  io-gdip-animation.c  io-gdip-animation.h  Makefile.test
+	$(CC) -Wall -O0 -g -shared io-gdip-utils.c io-gdip-png.c io-gdip-animation.c $(CFLAGS) $(LDFLAGS) -lole32 -lglib-2.0 -lgobject-2.0 -lgdk_pixbuf-2.0 -o $@
 	$(CP) $@ $(LOADER_DIR)
 
-libpixbufloader-gdip-tiff.dll: io-gdip-native.h  io-gdip-utils.c  io-gdip-utils.h  io-gdip-tiff.c  Makefile.test
-	$(CC) -Wall -O0 -g -shared io-gdip-utils.c io-gdip-tiff.c $(CFLAGS) $(LDFLAGS) -lole32 -lglib-2.0 -lgobject-2.0 -lgdk_pixbuf-2.0 -o $@
+libpixbufloader-gdip-tiff.dll: io-gdip-native.h  io-gdip-utils.c  io-gdip-utils.h  io-gdip-tiff.c  io-gdip-animation.c  io-gdip-animation.h  Makefile.test
+	$(CC) -Wall -O0 -g -shared io-gdip-utils.c io-gdip-tiff.c io-gdip-animation.c $(CFLAGS) $(LDFLAGS) -lole32 -lglib-2.0 -lgobject-2.0 -lgdk_pixbuf-2.0 -o $@
 	$(CP) $@ $(LOADER_DIR)
\ No newline at end of file

Added: trunk/src/io-gdip-animation.c
==============================================================================
--- (empty file)
+++ trunk/src/io-gdip-animation.c	Sun Feb 24 23:49:02 2008
@@ -0,0 +1,465 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* GdkPixbuf library - animated gdip support
+ *
+ * Copyright (C) 1999 The Free Software Foundation
+ *
+ * Authors: Jonathan Blandford <jrb redhat com>
+ *          Havoc Pennington <hp redhat com>
+ *
+ * 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 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#define GDK_PIXBUF_ENABLE_BACKEND
+#include <errno.h>
+#include "io-gdip-native.h"
+#include "io-gdip-animation.h"
+
+static void gdk_pixbuf_gdip_anim_class_init (GdkPixbufGdipAnimClass *klass);
+static void gdk_pixbuf_gdip_anim_finalize   (GObject        *object);
+
+static gboolean                gdk_pixbuf_gdip_anim_is_static_image  (GdkPixbufAnimation *animation);
+static GdkPixbuf*              gdk_pixbuf_gdip_anim_get_static_image (GdkPixbufAnimation *animation);
+
+static void                    gdk_pixbuf_gdip_anim_get_size (GdkPixbufAnimation *anim,
+                                                             int                *width,
+                                                             int                *height);
+static GdkPixbufAnimationIter* gdk_pixbuf_gdip_anim_get_iter (GdkPixbufAnimation *anim,
+                                                             const GTimeVal     *start_time);
+
+static gpointer parent_class;
+
+#define	GDIP_CLASS_FULL(name, prefix, base_init, base_finalize, \
+		       class_init, class_finalize, instance_init, parent_type, \
+		       abstract, interface_decl) \
+GType									\
+prefix ## _get_type (void)						\
+{									\
+	static GType type = 0;						\
+	if (G_UNLIKELY  (type == 0)) {					\
+		static GTypeInfo const object_info = {			\
+			sizeof (name ## Class),				\
+			(GBaseInitFunc) base_init,			\
+			(GBaseFinalizeFunc) base_finalize,		\
+			(GClassInitFunc) class_init,			\
+			(GClassFinalizeFunc) class_finalize,		\
+			NULL,	/* class_data */			\
+			sizeof (name),					\
+			0,	/* n_preallocs */			\
+			(GInstanceInitFunc) instance_init,		\
+			NULL						\
+		};							\
+                type = g_type_from_name (#name);                        \
+                if (type == 0) {                                        \
+		  type = g_type_register_static (parent_type, #name,	\
+			  &object_info, (GTypeFlags) abstract);		\
+		  interface_decl					\
+                }                                                       \
+	}								\
+	return type;							\
+}
+
+#define	GDIP_CLASS(name, prefix, class_init, instance_init, parent) \
+	GDIP_CLASS_FULL(name, prefix, NULL, NULL, class_init, NULL, \
+				instance_init, parent, 0, {})
+
+#define _GDIP_GTYPE_THREADING_FIXED
+
+#ifdef _GDIP_GTYPE_THREADING_FIXED
+typedef GTypeModule      GdipDummyTypeModule;
+typedef GTypeModuleClass GdipDummyTypeModuleClass;
+static gboolean
+gdip_dummy_type_module_load (GTypeModule *module)
+{
+	return TRUE;
+}
+static void
+gdip_dummy_type_module_class_init (GTypeModuleClass *gtm_class)
+{
+	gtm_class->load = gdip_dummy_type_module_load;
+}
+static GDIP_CLASS (GdipDummyTypeModule, gdip_dummy_type_module,
+		  gdip_dummy_type_module_class_init, NULL,
+		  G_TYPE_TYPE_MODULE)
+
+static GTypeModule *static_type_module = NULL;
+#endif
+
+void
+gdip_anim_init (void)
+{
+#ifdef _GDIP_GTYPE_THREADING_FIXED
+	if (NULL == static_type_module) {
+		static_type_module = g_object_new (gdip_dummy_type_module_get_type(), NULL);
+		g_assert (static_type_module != NULL);
+		g_type_module_use (static_type_module);
+		g_type_module_set_name (static_type_module, "libgdip-builtin");
+	}
+#endif
+}
+
+GType
+gdk_pixbuf_gdip_anim_get_type (void)
+{
+        static GType object_type = 0;
+
+        if (!object_type) {
+                static const GTypeInfo object_info = {
+                        sizeof (GdkPixbufGdipAnimClass),
+                        (GBaseInitFunc) NULL,
+                        (GBaseFinalizeFunc) NULL,
+                        (GClassInitFunc) gdk_pixbuf_gdip_anim_class_init,
+                        NULL,           /* class_finalize */
+                        NULL,           /* class_data */
+                        sizeof (GdkPixbufGdipAnim),
+                        0,              /* n_preallocs */
+                        (GInstanceInitFunc) NULL,
+                };
+
+#ifdef _GDIP_GTYPE_THREADING_FIXED
+                object_type = g_type_from_name ("GdkPixbufGdipAnim");
+                if (object_type == 0) {
+                        object_type = g_type_module_register_type (static_type_module,
+                                                                   GDK_TYPE_PIXBUF_ANIMATION,
+                                                                   "GdkPixbufGdipAnim", &object_info, (GTypeFlags) 0);
+                }
+#else
+                object_type = g_type_register_static (GDK_TYPE_PIXBUF_ANIMATION,
+                                                      g_intern_static_string ("GdkPixbufGdipAnim"),
+                                                      &object_info, 0);
+#endif
+        }
+        
+        return object_type;
+}
+
+static void
+gdk_pixbuf_gdip_anim_class_init (GdkPixbufGdipAnimClass *klass)
+{
+        GObjectClass *object_class = G_OBJECT_CLASS (klass);
+        GdkPixbufAnimationClass *anim_class = GDK_PIXBUF_ANIMATION_CLASS (klass);
+        
+        parent_class = g_type_class_peek_parent (klass);
+        
+        object_class->finalize = gdk_pixbuf_gdip_anim_finalize;
+
+        anim_class->is_static_image = gdk_pixbuf_gdip_anim_is_static_image;
+        anim_class->get_static_image = gdk_pixbuf_gdip_anim_get_static_image;
+        anim_class->get_size = gdk_pixbuf_gdip_anim_get_size;
+        anim_class->get_iter = gdk_pixbuf_gdip_anim_get_iter;
+}
+
+static void
+gdk_pixbuf_gdip_anim_finalize (GObject *object)
+{
+        GdkPixbufGdipAnim *gdip_anim = GDK_PIXBUF_GDIP_ANIM (object);
+
+        GList *l;
+        GdkPixbufFrame *frame;
+        
+        for (l = gdip_anim->frames; l; l = l->next) {
+                frame = l->data;
+                g_object_unref (frame->pixbuf);
+                g_free (frame);
+        }
+        
+        g_list_free (gdip_anim->frames);
+        
+        G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gboolean
+gdk_pixbuf_gdip_anim_is_static_image  (GdkPixbufAnimation *animation)
+{
+        GdkPixbufGdipAnim *gdip_anim;
+
+        gdip_anim = GDK_PIXBUF_GDIP_ANIM (animation);
+
+        return (gdip_anim->frames != NULL &&
+                gdip_anim->frames->next == NULL);
+}
+
+static GdkPixbuf*
+gdk_pixbuf_gdip_anim_get_static_image (GdkPixbufAnimation *animation)
+{
+        GdkPixbufGdipAnim *gdip_anim;
+
+        gdip_anim = GDK_PIXBUF_GDIP_ANIM (animation);
+
+        if (gdip_anim->frames == NULL)
+                return NULL;
+        else
+                return GDK_PIXBUF (((GdkPixbufFrame*)gdip_anim->frames->data)->pixbuf);        
+}
+
+static void
+gdk_pixbuf_gdip_anim_get_size (GdkPixbufAnimation *anim,
+                              int                *width,
+                              int                *height)
+{
+        GdkPixbufGdipAnim *gdip_anim;
+
+        gdip_anim = GDK_PIXBUF_GDIP_ANIM (anim);
+
+        if (width)
+                *width = gdip_anim->width;
+
+        if (height)
+                *height = gdip_anim->height;
+}
+
+
+static void
+iter_clear (GdkPixbufGdipAnimIter *iter)
+{
+        iter->current_frame = NULL;
+}
+
+static void
+iter_restart (GdkPixbufGdipAnimIter *iter)
+{
+        iter_clear (iter);
+  
+        iter->current_frame = iter->gdip_anim->frames;
+}
+
+static GdkPixbufAnimationIter*
+gdk_pixbuf_gdip_anim_get_iter (GdkPixbufAnimation *anim,
+                              const GTimeVal     *start_time)
+{
+        GdkPixbufGdipAnimIter *iter;
+
+        iter = g_object_new (GDK_TYPE_PIXBUF_GDIP_ANIM_ITER, NULL);
+
+        iter->gdip_anim = GDK_PIXBUF_GDIP_ANIM (anim);
+
+        g_object_ref (iter->gdip_anim);
+        
+        iter_restart (iter);
+
+        iter->start_time = *start_time;
+        iter->current_time = *start_time;
+        iter->first_loop_slowness = 0;
+        
+        return GDK_PIXBUF_ANIMATION_ITER (iter);
+}
+
+static void gdk_pixbuf_gdip_anim_iter_class_init (GdkPixbufGdipAnimIterClass *klass);
+static void gdk_pixbuf_gdip_anim_iter_finalize   (GObject                   *object);
+
+static int        gdk_pixbuf_gdip_anim_iter_get_delay_time             (GdkPixbufAnimationIter *iter);
+static GdkPixbuf* gdk_pixbuf_gdip_anim_iter_get_pixbuf                 (GdkPixbufAnimationIter *iter);
+static gboolean   gdk_pixbuf_gdip_anim_iter_on_currently_loading_frame (GdkPixbufAnimationIter *iter);
+static gboolean   gdk_pixbuf_gdip_anim_iter_advance                    (GdkPixbufAnimationIter *iter,
+                                                                       const GTimeVal         *current_time);
+
+static gpointer iter_parent_class;
+
+GType
+gdk_pixbuf_gdip_anim_iter_get_type (void)
+{
+        static GType object_type = 0;
+
+        if (!object_type) {
+                static const GTypeInfo object_info = {
+                        sizeof (GdkPixbufGdipAnimIterClass),
+                        (GBaseInitFunc) NULL,
+                        (GBaseFinalizeFunc) NULL,
+                        (GClassInitFunc) gdk_pixbuf_gdip_anim_iter_class_init,
+                        NULL,           /* class_finalize */
+                        NULL,           /* class_data */
+                        sizeof (GdkPixbufGdipAnimIter),
+                        0,              /* n_preallocs */
+                        (GInstanceInitFunc) NULL,
+                };
+                
+#ifdef _GDIP_GTYPE_THREADING_FIXED
+                object_type = g_type_from_name ("GdkPixbufGdipAnimIter");
+                if (object_type == 0) {
+                        object_type = g_type_module_register_type (static_type_module,
+                                                                   GDK_TYPE_PIXBUF_ANIMATION_ITER,
+                                                                   "GdkPixbufGdipAnimIter", &object_info, (GTypeFlags) 0);
+                }
+#else
+                object_type = g_type_register_static (GDK_TYPE_PIXBUF_ANIMATION_ITER,
+                                                      g_intern_static_string ("GdkPixbufGdipAnimIter"),
+                                                      &object_info, 0);
+#endif
+        }
+        
+        return object_type;
+}
+
+static void
+gdk_pixbuf_gdip_anim_iter_class_init (GdkPixbufGdipAnimIterClass *klass)
+{
+        GObjectClass *object_class = G_OBJECT_CLASS (klass);
+        GdkPixbufAnimationIterClass *anim_iter_class =
+                GDK_PIXBUF_ANIMATION_ITER_CLASS (klass);
+        
+        iter_parent_class = g_type_class_peek_parent (klass);
+        
+        object_class->finalize = gdk_pixbuf_gdip_anim_iter_finalize;
+
+        anim_iter_class->get_delay_time = gdk_pixbuf_gdip_anim_iter_get_delay_time;
+        anim_iter_class->get_pixbuf = gdk_pixbuf_gdip_anim_iter_get_pixbuf;
+        anim_iter_class->on_currently_loading_frame = gdk_pixbuf_gdip_anim_iter_on_currently_loading_frame;
+        anim_iter_class->advance = gdk_pixbuf_gdip_anim_iter_advance;
+}
+
+static void
+gdk_pixbuf_gdip_anim_iter_finalize (GObject *object)
+{
+        GdkPixbufGdipAnimIter *iter = GDK_PIXBUF_GDIP_ANIM_ITER (object);
+
+        iter_clear (iter);
+
+        g_object_unref (iter->gdip_anim);
+        
+        G_OBJECT_CLASS (iter_parent_class)->finalize (object);
+}
+
+static gboolean
+gdk_pixbuf_gdip_anim_iter_advance (GdkPixbufAnimationIter *anim_iter,
+                                  const GTimeVal         *current_time)
+{
+        GdkPixbufGdipAnimIter *iter;
+        gint elapsed;
+        gint loop;
+        GList *tmp;
+        GList *old;
+        
+        iter = GDK_PIXBUF_GDIP_ANIM_ITER (anim_iter);
+        
+        iter->current_time = *current_time;
+
+        /* We use milliseconds for all times */
+        elapsed =
+          (((iter->current_time.tv_sec - iter->start_time.tv_sec) * G_USEC_PER_SEC +
+            iter->current_time.tv_usec - iter->start_time.tv_usec)) / 1000;
+
+        if (elapsed < 0) {
+                /* Try to compensate; probably the system clock
+                 * was set backwards
+                 */
+                iter->start_time = iter->current_time;
+                elapsed = 0;
+        }
+
+        g_assert (iter->gdip_anim->total_time > 0);
+        
+        /* See how many times we've already played the full animation,
+         * and subtract time for that.
+         */
+
+        if (iter->gdip_anim->loading)
+                loop = 0;
+        else {
+                /* If current_frame is NULL at this point, we have loaded the
+                 * animation from a source which fell behind the speed of the 
+                 * display. We remember how much slower the first loop was due
+                 * to this and correct the position calculation in order to not
+                 * jump in the middle of the second loop.
+                 */
+                if (iter->current_frame == NULL)
+                        iter->first_loop_slowness = MAX(0, elapsed - iter->gdip_anim->total_time);
+
+                loop = (elapsed - iter->first_loop_slowness) / iter->gdip_anim->total_time;
+                elapsed = (elapsed - iter->first_loop_slowness) % iter->gdip_anim->total_time;
+        }
+
+        iter->position = elapsed;
+
+        /* Now move to the proper frame */
+        if (iter->gdip_anim->loop == 0 || loop < iter->gdip_anim->loop) 
+                tmp = iter->gdip_anim->frames;
+        else 
+                tmp = NULL;
+        while (tmp != NULL) {
+                GdkPixbufFrame *frame = tmp->data;
+                
+                if (iter->position >= frame->elapsed &&
+                    iter->position < (frame->elapsed + frame->delay_time))
+                        break;
+                
+                tmp = tmp->next;
+        }
+
+        old = iter->current_frame;
+        
+        iter->current_frame = tmp;
+
+        return iter->current_frame != old;
+}
+
+int
+gdk_pixbuf_gdip_anim_iter_get_delay_time (GdkPixbufAnimationIter *anim_iter)
+{
+        GdkPixbufFrame *frame;
+        GdkPixbufGdipAnimIter *iter;
+  
+        iter = GDK_PIXBUF_GDIP_ANIM_ITER (anim_iter);
+
+        if (iter->current_frame) {
+                frame = iter->current_frame->data;
+
+#if 0
+                g_print ("frame start: %d pos: %d frame len: %d frame remaining: %d\n",
+                         frame->elapsed,
+                         iter->position,
+                         frame->delay_time,
+                         frame->delay_time - (iter->position - frame->elapsed));
+#endif
+                
+                return frame->delay_time - (iter->position - frame->elapsed);
+        } else 
+                return -1; /* show last frame forever */
+}
+
+GdkPixbuf*
+gdk_pixbuf_gdip_anim_iter_get_pixbuf (GdkPixbufAnimationIter *anim_iter)
+{
+        GdkPixbufGdipAnimIter *iter;
+        GdkPixbufFrame *frame;
+        
+        iter = GDK_PIXBUF_GDIP_ANIM_ITER (anim_iter);
+
+        frame = iter->current_frame ? iter->current_frame->data : g_list_last (iter->gdip_anim->frames)->data;
+
+#if 0
+        if (FALSE && frame)
+          g_print ("current frame %d dispose mode %d  %d x %d\n",
+                   g_list_index (iter->gdip_anim->frames,
+                                 frame),
+                   frame->action,
+                   gdk_pixbuf_get_width (frame->pixbuf),
+                   gdk_pixbuf_get_height (frame->pixbuf));
+#endif
+        
+        if (frame == NULL)
+                return NULL;
+
+        return frame->pixbuf;
+}
+
+static gboolean
+gdk_pixbuf_gdip_anim_iter_on_currently_loading_frame (GdkPixbufAnimationIter *anim_iter)
+{
+        GdkPixbufGdipAnimIter *iter;
+  
+        iter = GDK_PIXBUF_GDIP_ANIM_ITER (anim_iter);
+
+        return iter->current_frame == NULL || iter->current_frame->next == NULL;  
+}

Added: trunk/src/io-gdip-animation.h
==============================================================================
--- (empty file)
+++ trunk/src/io-gdip-animation.h	Sun Feb 24 23:49:02 2008
@@ -0,0 +1,120 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
+/* GdkPixbuf library - GDIP loader declarations
+ *
+ * Copyright (C) 1999 The Free Software Foundation
+ *
+ * Authors: Mark Crichton <crichton gimp org>
+ *          Miguel de Icaza <miguel gnu org>
+ *          Federico Mena-Quintero <federico gimp org>
+ *          Havoc Pennington <hp redhat com>
+ *
+ * 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 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef GDK_PIXBUF_GDIP_H
+#define GDK_PIXBUF_GDIP_H
+
+#include <gdk-pixbuf/gdk-pixbuf-animation.h>
+
+typedef struct _GdkPixbufGdipAnim GdkPixbufGdipAnim;
+typedef struct _GdkPixbufGdipAnimClass GdkPixbufGdipAnimClass;
+typedef struct _GdkPixbufFrame GdkPixbufFrame;
+
+#define GDK_TYPE_PIXBUF_GDIP_ANIM              (gdk_pixbuf_gdip_anim_get_type ())
+#define GDK_PIXBUF_GDIP_ANIM(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_PIXBUF_GDIP_ANIM, GdkPixbufGdipAnim))
+#define GDK_IS_PIXBUF_GDIP_ANIM(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_PIXBUF_GDIP_ANIM))
+
+#define GDK_PIXBUF_GDIP_ANIM_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_PIXBUF_GDIP_ANIM, GdkPixbufGdipAnimClass))
+#define GDK_IS_PIXBUF_GDIP_ANIM_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_PIXBUF_GDIP_ANIM))
+#define GDK_PIXBUF_GDIP_ANIM_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_PIXBUF_GDIP_ANIM, GdkPixbufGdipAnimClass))
+
+/* Private part of the GdkPixbufGdipAnim structure */
+struct _GdkPixbufGdipAnim {
+        GdkPixbufAnimation parent_instance;
+
+        /* Number of frames */
+        int n_frames;
+
+        /* Total length of animation */
+        int total_time;
+        
+	/* List of GdkPixbufFrame structures */
+        GList *frames;
+
+	/* bounding box size */
+	int width, height;
+        
+        int loop;
+        gboolean loading;
+};
+
+struct _GdkPixbufGdipAnimClass {
+        GdkPixbufAnimationClass parent_class;
+        
+};
+
+GType gdk_pixbuf_gdip_anim_get_type (void) G_GNUC_CONST;
+
+typedef struct _GdkPixbufGdipAnimIter GdkPixbufGdipAnimIter;
+typedef struct _GdkPixbufGdipAnimIterClass GdkPixbufGdipAnimIterClass;
+
+
+#define GDK_TYPE_PIXBUF_GDIP_ANIM_ITER              (gdk_pixbuf_gdip_anim_iter_get_type ())
+#define GDK_PIXBUF_GDIP_ANIM_ITER(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_PIXBUF_GDIP_ANIM_ITER, GdkPixbufGdipAnimIter))
+#define GDK_IS_PIXBUF_GDIP_ANIM_ITER(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_PIXBUF_GDIP_ANIM_ITER))
+
+#define GDK_PIXBUF_GDIP_ANIM_ITER_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_PIXBUF_GDIP_ANIM_ITER, GdkPixbufGdipAnimIterClass))
+#define GDK_IS_PIXBUF_GDIP_ANIM_ITER_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_PIXBUF_GDIP_ANIM_ITER))
+#define GDK_PIXBUF_GDIP_ANIM_ITER_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_PIXBUF_GDIP_ANIM_ITER, GdkPixbufGdipAnimIterClass))
+
+struct _GdkPixbufGdipAnimIter {
+        GdkPixbufAnimationIter parent_instance;
+        
+        GdkPixbufGdipAnim   *gdip_anim;
+
+        GTimeVal            start_time;
+        GTimeVal            current_time;
+
+        /* Time in milliseconds into this run of the animation */
+        gint                position;
+        
+        GList              *current_frame;
+        
+        gint                first_loop_slowness;
+};
+
+struct _GdkPixbufGdipAnimIterClass {
+        GdkPixbufAnimationIterClass parent_class;
+
+};
+
+GType gdk_pixbuf_gdip_anim_iter_get_type (void) G_GNUC_CONST;
+
+struct _GdkPixbufFrame {
+	/* The pixbuf with this frame's image data */
+	GdkPixbuf *pixbuf;
+
+	/* Frame duration in ms */
+	int delay_time;
+
+        /* Sum of preceding delay times */
+        int elapsed;        
+};
+
+void gdip_anim_init (void);
+
+
+#endif

Modified: trunk/src/io-gdip-utils.c
==============================================================================
--- trunk/src/io-gdip-utils.c	(original)
+++ trunk/src/io-gdip-utils.c	Sun Feb 24 23:49:02 2008
@@ -27,7 +27,7 @@
 #include "io-gdip-utils.h"
 #include "io-gdip-native.h"
 #include "io-gdip-propertytags.h"
-#include <gdk-pixbuf/gdk-pixbuf-simple-anim.h>
+#include "io-gdip-animation.h"
 
 #define LOAD_BUFFER_SIZE 65536
 
@@ -117,6 +117,8 @@
 #undef TRY_LOOKUP
 #undef LOOKUP
 
+  gdip_anim_init ();
+
   input.GdiplusVersion = 1;
   input.DebugEventCallback = NULL;
   input.SuppressBackgroundThread = input.SuppressExternalCodecs = FALSE;
@@ -663,7 +665,7 @@
   guint8     *tmp_buffer = NULL;
   guint       buffer_len = 0;
   guint       n_frames = 1, i;
-  GdkPixbufSimpleAnim *animation = NULL;
+  GdkPixbufGdipAnim *animation = NULL;
 
   if (error)
     *error = NULL;
@@ -683,7 +685,9 @@
 
   for (i = 0; i < n_frames; i++) {
     GdkPixbuf *pixbuf = NULL;
-    
+    GdkPixbufFrame *frame;
+    guint frame_delay = 0;
+
     io_gdip_bitmap_select_frame (bitmap, i, TRUE);
     
     pixbuf = gdi_bitmap_to_pixbuf (bitmap);
@@ -695,35 +699,50 @@
     }
     
     if (animation == NULL) {
-      guint n_loops, frame_delay;
+      guint n_loops = 1;
 
+      animation = g_object_new (GDK_TYPE_PIXBUF_GDIP_ANIM, NULL);
       io_gdip_bitmap_get_n_loops (bitmap, &n_loops);
-      io_gdip_bitmap_get_frame_delay (bitmap, &frame_delay);
+      animation->loop = n_loops;
+    }
 
-      (void)n_loops;
+    frame = g_new (GdkPixbufFrame, 1);
+    frame->pixbuf = pixbuf;
 
-      /* frame delay is in 100ths of a second */
-      if (frame_delay > 0) {
-        frame_delay = (int)((1.0 / frame_delay) * 100);
-      }
+    io_gdip_bitmap_get_frame_delay (bitmap, &frame_delay);
+  
+    animation->n_frames++;
+    animation->frames = g_list_append (animation->frames, frame);
 
-      animation = gdk_pixbuf_simple_anim_new (gdk_pixbuf_get_width (pixbuf),
-                                              gdk_pixbuf_get_height (pixbuf),
-                                              frame_delay);
-    }
+    animation->width = gdk_pixbuf_get_width (pixbuf);
+    animation->height = gdk_pixbuf_get_height (pixbuf);
+
+    /* GIF delay is in hundredths, we want thousandths */
+    frame->delay_time = frame_delay * 10;
+    frame->elapsed = animation->total_time;
+    
+    /* Some GIFs apparently have delay time of 0,
+     * that crashes everything so set it to "fast".
+     * Also, timeouts less than 20 or so just lock up
+     * the app or make the animation choppy, so fix them.
+     */
+    if (frame->delay_time < 20)
+      frame->delay_time = 20; /* 20 = "fast" */
+
+    animation->total_time += frame->delay_time;
 
-    gdk_pixbuf_simple_anim_add_frame (animation, pixbuf);
     if (i == 0)
       emit_prepared (context, pixbuf, GDK_PIXBUF_ANIMATION (animation));
 
     emit_updated (context, pixbuf);
 
     /* emit_prepared() takes a ref */
-    g_object_unref (G_OBJECT (pixbuf));
+    /* g_object_unref (G_OBJECT (pixbuf)); */
   }
 
   if (animation != NULL)
     g_object_unref (G_OBJECT (animation));
+
   destroy_gdipcontext (context);
   
   return TRUE;



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