1
0
Fork 0
mirror of https://github.com/OpenMW/openmw.git synced 2025-02-02 11:15:35 +00:00
openmw/extern/mygui_3.0.1/MyGUIEngine/src/MyGUI_TextureUtility.cpp
2010-07-08 00:23:28 +02:00

98 lines
2.4 KiB
C++

/*!
@file
@author Albert Semenov
@date 09/2009
@module
*/
/*
This file is part of MyGUI.
MyGUI 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 3 of the License, or
(at your option) any later version.
MyGUI 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 MyGUI. If not, see <http://www.gnu.org/licenses/>.
*/
#include "MyGUI_Precompiled.h"
#include "MyGUI_TextureUtility.h"
#include "MyGUI_RenderManager.h"
#include "MyGUI_DataManager.h"
#include "MyGUI_Bitwise.h"
namespace MyGUI
{
namespace texture_utility
{
const IntSize& getTextureSize(const std::string& _texture, bool _cache)
{
// ïðåäûäóùÿ òåêñòóðà
static std::string old_texture;
static IntSize old_size;
if (old_texture == _texture && _cache)
return old_size;
old_texture = _texture;
old_size.clear();
if (_texture.empty())
return old_size;
RenderManager& render = RenderManager::getInstance();
if (nullptr == render.getTexture(_texture))
{
if (!DataManager::getInstance().isDataExist(_texture))
{
MYGUI_LOG(Error, "Texture '" + _texture + "' not found");
return old_size;
}
else
{
ITexture* texture = render.createTexture(_texture);
texture->loadFromFile(_texture);
}
}
ITexture* texture = render.getTexture(_texture);
if (texture == nullptr)
{
MYGUI_LOG(Error, "Texture '" + _texture + "' not found");
return old_size;
}
old_size.set(texture->getWidth(), texture->getHeight());
#if MYGUI_DEBUG_MODE == 1
if (!Bitwise::isPO2(old_size.width) || !Bitwise::isPO2(old_size.height))
{
MYGUI_LOG(Warning, "Texture '" + _texture + "' have non power of two size");
}
#endif
return old_size;
}
uint32 toColourARGB(const Colour& _colour)
{
uint32 val32 = uint8(_colour.alpha * 255);
val32 <<= 8;
val32 += uint8(_colour.red * 255);
val32 <<= 8;
val32 += uint8(_colour.green * 255);
val32 <<= 8;
val32 += uint8(_colour.blue * 255);
return val32;
}
} // namespace texture_utility
} // namespace MyGUI