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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#include "precompiled.h"
#include "TextureDatabase.h"
#include "TextureResource.h"
#include "../../Include/Rocket/Core.h"
namespace Rocket {
namespace Core {
static TextureDatabase* instance = NULL;
TextureDatabase::TextureDatabase()
{
ROCKET_ASSERT(instance == NULL);
instance = this;
}
TextureDatabase::~TextureDatabase()
{
ROCKET_ASSERT(instance == this);
instance = NULL;
}
void TextureDatabase::Initialise()
{
new TextureDatabase();
}
void TextureDatabase::Shutdown()
{
delete instance;
}
// If the requested texture is already in the database, it will be returned with an extra reference count. If not, it
// will be loaded through the application's render interface.
TextureResource* TextureDatabase::Fetch(const String& source, const String& source_directory)
{
String path;
if (source.Substring(0, 1) == "?")
path = source;
else
GetSystemInterface()->JoinPath(path, source_directory.Replace("|", ":"), source);
TextureMap::iterator iterator = instance->textures.find(path);
if (iterator != instance->textures.end())
{
(*iterator).second->AddReference();
return (*iterator).second;
}
TextureResource* resource = new TextureResource();
if (!resource->Load(path))
{
resource->RemoveReference();
return NULL;
}
instance->textures[resource->GetSource()] = resource;
return resource;
}
// Releases all textures in the database.
void TextureDatabase::ReleaseTextures()
{
for (TextureMap::iterator i = instance->textures.begin(); i != instance->textures.end(); ++i)
i->second->Release();
}
// Removes a texture from the database.
void TextureDatabase::RemoveTexture(TextureResource* texture)
{
if (instance != NULL)
{
TextureMap::iterator iterator = instance->textures.find(texture->GetSource());
if (iterator != instance->textures.end())
instance->textures.erase(iterator);
}
}
// Release all textures bound through a render interface.
void TextureDatabase::ReleaseTextures(RenderInterface* render_interface)
{
if (instance != NULL)
{
for (TextureMap::iterator i = instance->textures.begin(); i != instance->textures.end(); ++i)
i->second->Release(render_interface);
}
}
}
}
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