forked from AuroraMiddleware/gtk
137 lines
3.7 KiB
C
137 lines
3.7 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "gtkanimationdescription.h"
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#include "gtkintl.h"
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struct GtkAnimationDescription
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{
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GtkTimelineProgressType progress_type;
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gdouble duration;
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guint loop : 1;
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guint ref_count;
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};
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GtkAnimationDescription *
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gtk_animation_description_new (gdouble duration,
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GtkTimelineProgressType progress_type,
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gboolean loop)
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{
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GtkAnimationDescription *desc;
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desc = g_slice_new (GtkAnimationDescription);
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desc->duration = duration;
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desc->progress_type = progress_type;
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desc->loop = loop;
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desc->ref_count = 1;
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return desc;
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}
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gdouble
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gtk_animation_description_get_duration (GtkAnimationDescription *desc)
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{
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return desc->duration;
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}
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GtkTimelineProgressType
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gtk_animation_description_get_progress_type (GtkAnimationDescription *desc)
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{
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return desc->progress_type;
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}
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gboolean
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gtk_animation_description_get_loop (GtkAnimationDescription *desc)
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{
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return (desc->loop != 0);
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}
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GtkAnimationDescription *
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gtk_animation_description_ref (GtkAnimationDescription *desc)
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{
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desc->ref_count++;
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return desc;
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}
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void
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gtk_animation_description_unref (GtkAnimationDescription *desc)
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{
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desc->ref_count--;
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if (desc->ref_count == 0)
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g_slice_free (GtkAnimationDescription, desc);
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}
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GtkAnimationDescription *
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gtk_animation_description_from_string (const gchar *str)
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{
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gchar timing_function[16] = { 0, };
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gchar duration_unit[3] = { 0, };
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GtkTimelineProgressType progress_type;
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guint duration = 0;
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gboolean loop;
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if (sscanf (str, "%d%2s %15s loop", &duration, duration_unit, timing_function) == 3)
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loop = TRUE;
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else if (sscanf (str, "%d%2s %15s", &duration, duration_unit, timing_function) == 3)
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loop = FALSE;
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else
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return NULL;
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if (strcmp (duration_unit, "s") == 0)
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duration *= 1000;
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else if (strcmp (duration_unit, "ms") != 0)
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{
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g_warning ("Unknown duration unit: %s\n", duration_unit);
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return NULL;
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}
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if (strcmp (timing_function, "linear") == 0)
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progress_type = GTK_TIMELINE_PROGRESS_LINEAR;
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else if (strcmp (timing_function, "ease") == 0)
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progress_type = GTK_TIMELINE_PROGRESS_EASE;
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else if (strcmp (timing_function, "ease-in") == 0)
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progress_type = GTK_TIMELINE_PROGRESS_EASE_IN;
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else if (strcmp (timing_function, "ease-out") == 0)
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progress_type = GTK_TIMELINE_PROGRESS_EASE_OUT;
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else if (strcmp (timing_function, "ease-in-out") == 0)
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progress_type = GTK_TIMELINE_PROGRESS_EASE_IN_OUT;
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else
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{
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g_warning ("Unknown timing function: %s\n", timing_function);
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return NULL;
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}
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return gtk_animation_description_new ((gdouble) duration, progress_type, loop);
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}
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GType
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gtk_animation_description_get_type (void)
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{
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static GType type = 0;
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if (G_UNLIKELY (!type))
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type = g_boxed_type_register_static (I_("GtkAnimationDescription"),
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(GBoxedCopyFunc) gtk_animation_description_ref,
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(GBoxedFreeFunc) gtk_animation_description_unref);
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return type;
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}
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