diff options
Diffstat (limited to 'gdk-pixbuf/io-ani-animation.c')
| -rw-r--r-- | gdk-pixbuf/io-ani-animation.c | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/gdk-pixbuf/io-ani-animation.c b/gdk-pixbuf/io-ani-animation.c deleted file mode 100644 index fc19b68666..0000000000 --- a/gdk-pixbuf/io-ani-animation.c +++ /dev/null @@ -1,347 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */ -/* GdkPixbuf library - ani support - * - * Copyright (C) 2002 The Free Software Foundation - * - * Author: Matthias Clasen <maclas@gmx.de> - * - * 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. - */ - -#include "config.h" -#include <errno.h> -#include "gdk-pixbuf-io.h" -#include "gdk-pixbuf-private.h" -#include "io-ani-animation.h" - -static void gdk_pixbuf_ani_anim_class_init (GdkPixbufAniAnimClass *klass); -static void gdk_pixbuf_ani_anim_finalize (GObject *object); - -static gboolean gdk_pixbuf_ani_anim_is_static_image (GdkPixbufAnimation *animation); -static GdkPixbuf* gdk_pixbuf_ani_anim_get_static_image (GdkPixbufAnimation *animation); -static void gdk_pixbuf_ani_anim_get_size (GdkPixbufAnimation *anim, - int *width, - int *height); -static GdkPixbufAnimationIter* gdk_pixbuf_ani_anim_get_iter (GdkPixbufAnimation *anim, - const GTimeVal *start_time); - - - - -static gpointer parent_class; - -GType -gdk_pixbuf_ani_anim_get_type (void) -{ - static GType object_type = 0; - - if (!object_type) { - const GTypeInfo object_info = { - sizeof (GdkPixbufAniAnimClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) gdk_pixbuf_ani_anim_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (GdkPixbufAniAnim), - 0, /* n_preallocs */ - (GInstanceInitFunc) NULL, - }; - - object_type = g_type_register_static (GDK_TYPE_PIXBUF_ANIMATION, - g_intern_static_string ("GdkPixbufAniAnim"), - &object_info, 0); - } - - return object_type; -} - -static void -gdk_pixbuf_ani_anim_class_init (GdkPixbufAniAnimClass *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_ani_anim_finalize; - - anim_class->is_static_image = gdk_pixbuf_ani_anim_is_static_image; - anim_class->get_static_image = gdk_pixbuf_ani_anim_get_static_image; - anim_class->get_size = gdk_pixbuf_ani_anim_get_size; - anim_class->get_iter = gdk_pixbuf_ani_anim_get_iter; -} - -static void -gdk_pixbuf_ani_anim_finalize (GObject *object) -{ - GdkPixbufAniAnim *ani_anim = GDK_PIXBUF_ANI_ANIM (object); - gint i; - - for (i = 0; i < ani_anim->n_pixbufs; i++) { - if (ani_anim->pixbufs[i]) - g_object_unref (ani_anim->pixbufs[i]); - } - g_free (ani_anim->pixbufs); - g_free (ani_anim->sequence); - g_free (ani_anim->delay); - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -static gboolean -gdk_pixbuf_ani_anim_is_static_image (GdkPixbufAnimation *animation) -{ - GdkPixbufAniAnim *ani_anim; - - ani_anim = GDK_PIXBUF_ANI_ANIM (animation); - - return ani_anim->n_frames == 1; -} - -static GdkPixbuf* -gdk_pixbuf_ani_anim_get_static_image (GdkPixbufAnimation *animation) -{ - GdkPixbufAniAnim *ani_anim; - - ani_anim = GDK_PIXBUF_ANI_ANIM (animation); - - if (ani_anim->pixbufs == NULL) - return NULL; - else - return ani_anim->pixbufs[0]; -} - -static void -gdk_pixbuf_ani_anim_get_size (GdkPixbufAnimation *anim, - int *width, - int *height) -{ - GdkPixbufAniAnim *ani_anim; - - ani_anim = GDK_PIXBUF_ANI_ANIM (anim); - - if (width) - *width = ani_anim->width; - - if (height) - *height = ani_anim->height; -} - - -static void -iter_restart (GdkPixbufAniAnimIter *iter) -{ - iter->current_frame = 0; - iter->position = 0; - iter->elapsed = 0; -} - -static GdkPixbufAnimationIter* -gdk_pixbuf_ani_anim_get_iter (GdkPixbufAnimation *anim, - const GTimeVal *start_time) -{ - GdkPixbufAniAnimIter *iter; - - iter = g_object_new (GDK_TYPE_PIXBUF_ANI_ANIM_ITER, NULL); - - iter->ani_anim = GDK_PIXBUF_ANI_ANIM (anim); - - g_object_ref (iter->ani_anim); - - iter_restart (iter); - - iter->start_time = *start_time; - iter->current_time = *start_time; - - return GDK_PIXBUF_ANIMATION_ITER (iter); -} - - - -static void gdk_pixbuf_ani_anim_iter_class_init (GdkPixbufAniAnimIterClass *klass); -static void gdk_pixbuf_ani_anim_iter_finalize (GObject *object); - -static int gdk_pixbuf_ani_anim_iter_get_delay_time (GdkPixbufAnimationIter *iter); -static GdkPixbuf* gdk_pixbuf_ani_anim_iter_get_pixbuf (GdkPixbufAnimationIter *iter); -static gboolean gdk_pixbuf_ani_anim_iter_on_currently_loading_frame (GdkPixbufAnimationIter *iter); -static gboolean gdk_pixbuf_ani_anim_iter_advance (GdkPixbufAnimationIter *iter, - const GTimeVal *current_time); - - - -static gpointer iter_parent_class; - -GType -gdk_pixbuf_ani_anim_iter_get_type (void) -{ - static GType object_type = 0; - - if (!object_type) { - const GTypeInfo object_info = { - sizeof (GdkPixbufAniAnimIterClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) gdk_pixbuf_ani_anim_iter_class_init, - NULL, /* class_finalize */ - NULL, /* class_data */ - sizeof (GdkPixbufAniAnimIter), - 0, /* n_preallocs */ - (GInstanceInitFunc) NULL, - }; - - object_type = g_type_register_static (GDK_TYPE_PIXBUF_ANIMATION_ITER, - g_intern_static_string ("GdkPixbufAniAnimIter"), - &object_info, 0); - } - - return object_type; -} - -static void -gdk_pixbuf_ani_anim_iter_class_init (GdkPixbufAniAnimIterClass *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_ani_anim_iter_finalize; - - anim_iter_class->get_delay_time = gdk_pixbuf_ani_anim_iter_get_delay_time; - anim_iter_class->get_pixbuf = gdk_pixbuf_ani_anim_iter_get_pixbuf; - anim_iter_class->on_currently_loading_frame = gdk_pixbuf_ani_anim_iter_on_currently_loading_frame; - anim_iter_class->advance = gdk_pixbuf_ani_anim_iter_advance; -} - -static void -gdk_pixbuf_ani_anim_iter_finalize (GObject *object) -{ - GdkPixbufAniAnimIter *iter = GDK_PIXBUF_ANI_ANIM_ITER (object); - - g_object_unref (iter->ani_anim); - - G_OBJECT_CLASS (iter_parent_class)->finalize (object); -} - -static gboolean -gdk_pixbuf_ani_anim_iter_advance (GdkPixbufAnimationIter *anim_iter, - const GTimeVal *current_time) -{ - GdkPixbufAniAnimIter *iter; - gint elapsed; - gint tmp; - gint old; - - iter = GDK_PIXBUF_ANI_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->ani_anim->total_time > 0); - - /* See how many times we've already played the full animation, - * and subtract time for that. - */ - elapsed = elapsed % iter->ani_anim->total_time; - - iter->position = elapsed; - - /* Now move to the proper frame */ - - iter->elapsed = 0; - for (tmp = 0; tmp < iter->ani_anim->n_frames; tmp++) { - if (iter->position >= iter->elapsed && - iter->position < (iter->elapsed + iter->ani_anim->delay[tmp])) - break; - iter->elapsed += iter->ani_anim->delay[tmp]; - } - - old = iter->current_frame; - - iter->current_frame = tmp; - - return iter->current_frame != old; -} - -int -gdk_pixbuf_ani_anim_iter_get_delay_time (GdkPixbufAnimationIter *anim_iter) -{ - GdkPixbufAniAnimIter *iter; - - iter = GDK_PIXBUF_ANI_ANIM_ITER (anim_iter); - - return iter->ani_anim->delay[iter->current_frame] - (iter->position - iter->elapsed); -} - -GdkPixbuf* -gdk_pixbuf_ani_anim_iter_get_pixbuf (GdkPixbufAnimationIter *anim_iter) -{ - GdkPixbufAniAnimIter *iter; - gint frame; - - iter = GDK_PIXBUF_ANI_ANIM_ITER (anim_iter); - - frame = iter->ani_anim->sequence[iter->current_frame]; - - /* this is necessary if the animation is displayed while loading */ - while (frame > 0 && !iter->ani_anim->pixbufs[frame]) - frame--; - - return iter->ani_anim->pixbufs[frame]; -} - -static gboolean -gdk_pixbuf_ani_anim_iter_on_currently_loading_frame (GdkPixbufAnimationIter *anim_iter) -{ - GdkPixbufAniAnimIter *iter; - gint frame; - - iter = GDK_PIXBUF_ANI_ANIM_ITER (anim_iter); - - if (iter->current_frame >= iter->ani_anim->n_frames - 1) - return TRUE; - - frame = iter->ani_anim->sequence[iter->current_frame + 1]; - - if (!iter->ani_anim->pixbufs[frame]) - return TRUE; - - return FALSE; -} - - - - - - - - - - |