mirror of
https://github.com/aseprite/aseprite.git
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138 lines
3.1 KiB
C++
138 lines
3.1 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 <cassert>
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#include <cstring>
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#include <map>
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#include <utility>
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#include "jinete/jbase.h"
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#include "jinete/jmutex.h"
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#include "raster/gfxobj.h"
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static JMutex objects_mutex;
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static gfxobj_id object_id = 0; // last object ID created
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static std::map<gfxobj_id, GfxObj*>* objects_map; // graphics objects map
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static void insert_gfxobj(GfxObj* gfxobj);
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static void erase_gfxobj(GfxObj* gfxobj);
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RasterModule::RasterModule()
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{
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objects_map = new std::map<gfxobj_id, GfxObj*>;
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objects_mutex = jmutex_new();
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}
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RasterModule::~RasterModule()
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{
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assert(objects_map->empty());
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delete objects_map;
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jmutex_free(objects_mutex);
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}
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//////////////////////////////////////////////////////////////////////
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// GfxObj class
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GfxObj::GfxObj(int type)
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{
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this->type = type;
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assign_id();
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}
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GfxObj::GfxObj(const GfxObj& gfxobj)
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{
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this->type = gfxobj.type;
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assign_id();
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}
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GfxObj::~GfxObj()
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{
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// we have to remove this object from the map
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jmutex_lock(objects_mutex);
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{
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erase_gfxobj(this);
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}
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jmutex_unlock(objects_mutex);
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}
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void GfxObj::assign_id()
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{
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// we have to assign an ID for this object
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jmutex_lock(objects_mutex);
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{
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this->id = ++object_id;
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// and here we add the object in the map of graphics-objects
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insert_gfxobj(this);
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}
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jmutex_unlock(objects_mutex);
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}
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//////////////////////////////////////////////////////////////////////
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GfxObj* gfxobj_find(gfxobj_id id)
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{
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GfxObj* ret = NULL;
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jmutex_lock(objects_mutex);
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{
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std::map<gfxobj_id, GfxObj*>::iterator
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it = objects_map->find(id);
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if (it != objects_map->end())
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ret = it->second;
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}
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jmutex_unlock(objects_mutex);
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return ret;
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}
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void _gfxobj_set_id(GfxObj* gfxobj, gfxobj_id id)
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{
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assert(gfxobj_find(gfxobj->id) == gfxobj);
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assert(gfxobj_find(id) == NULL);
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jmutex_lock(objects_mutex);
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{
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erase_gfxobj(gfxobj); // remove the object
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gfxobj->id = id; // change the ID
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insert_gfxobj(gfxobj); // insert the object again in the map
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}
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jmutex_unlock(objects_mutex);
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}
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//////////////////////////////////////////////////////////////////////
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static void insert_gfxobj(GfxObj* gfxobj)
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{
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objects_map->insert(std::make_pair(gfxobj->id, gfxobj));
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}
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static void erase_gfxobj(GfxObj* gfxobj)
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{
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std::map<gfxobj_id, GfxObj*>::iterator
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it = objects_map->find(gfxobj->id);
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assert(it != objects_map->end());
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objects_map->erase(it);
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}
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