mirror of
https://github.com/aseprite/aseprite.git
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121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
/* ASE - Allegro Sprite Editor
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* Copyright (C) 2001-2010 David Capello
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include <assert.h>
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#include "jinete/jmanager.h"
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#include "jinete/jmessage.h"
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#include "jinete/jwidget.h"
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#include "effect/effect.h"
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#include "raster/sprite.h"
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#include "util/render.h"
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#include "widgets/preview.h"
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typedef struct Preview
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{
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Effect *effect;
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int timer_id;
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} Preview;
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static bool preview_msg_proc(JWidget widget, JMessage msg);
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/**
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* Invisible widget to control a effect-preview.
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*/
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JWidget preview_new(Effect *effect)
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{
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Widget* widget = new Widget(preview_type());
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Preview *preview = jnew(Preview, 1);
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preview->effect = effect;
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preview->timer_id = -1;
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jwidget_add_hook(widget, preview_type(), preview_msg_proc, preview);
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jwidget_hide(widget);
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return widget;
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}
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int preview_type()
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{
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static int type = 0;
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if (!type)
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type = ji_register_widget_type();
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return type;
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}
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void preview_restart(JWidget widget)
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{
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assert_valid_widget(widget);
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Preview* preview = reinterpret_cast<Preview*>(jwidget_get_data(widget, preview_type()));
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effect_begin_for_preview(preview->effect);
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if (preview->timer_id < 0)
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preview->timer_id = jmanager_add_timer(widget, 1);
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jmanager_start_timer(preview->timer_id);
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}
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Effect *preview_get_effect(JWidget widget)
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{
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assert_valid_widget(widget);
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Preview* preview = reinterpret_cast<Preview*>(jwidget_get_data(widget, preview_type()));
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return preview->effect;
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}
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static bool preview_msg_proc(JWidget widget, JMessage msg)
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{
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Preview* preview = reinterpret_cast<Preview*>(jwidget_get_data(widget, preview_type()));
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Effect* effect = preview_get_effect(widget);
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switch (msg->type) {
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case JM_DESTROY:
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if (preview->timer_id >= 0)
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jmanager_remove_timer(preview->timer_id);
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jfree(preview);
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break;
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case JM_OPEN:
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RenderEngine::setPreviewImage(effect->sprite->getCurrentLayer(), effect->dst);
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break;
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case JM_CLOSE:
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RenderEngine::setPreviewImage(NULL, NULL);
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/* stop the preview timer */
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jmanager_stop_timer(preview->timer_id);
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break;
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case JM_TIMER:
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if (effect) {
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if (effect_apply_step(effect))
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effect_flush(effect);
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else
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jmanager_stop_timer(preview->timer_id);
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}
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break;
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}
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return false;
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}
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