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https://github.com/worldforge/ember
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279974934d
The currently released CEGUI version (0.8.7) doesn't support OGRE 1.11+, so we need to supply our own slightly altered renderer.
120 lines
4.1 KiB
C++
120 lines
4.1 KiB
C++
/***********************************************************************
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created: Wed Mar 25 2009
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author: Paul D Turner <paul@cegui.org.uk>
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*************************************************************************/
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/***************************************************************************
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* Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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***************************************************************************/
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#include "ImageCodec.h"
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#include "Texture.h"
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#include "CEGUI/Exceptions.h"
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#include <Ogre.h>
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// Start of CEGUI namespace section
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namespace CEGUI
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{
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//----------------------------------------------------------------------------//
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OgreImageCodec::OgreImageCodec() :
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ImageCodec("OgreImageCodec - Integrated ImageCodec using the Ogre engine.")
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{
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}
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//----------------------------------------------------------------------------//
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void OgreImageCodec::setImageFileDataType(const String& type)
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{
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d_dataTypeID = type;
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}
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//----------------------------------------------------------------------------//
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const String& OgreImageCodec::getImageFileDataType() const
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{
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return d_dataTypeID;
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}
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//----------------------------------------------------------------------------//
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Texture* OgreImageCodec::load(const RawDataContainer& data, Texture* result)
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{
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using namespace Ogre;
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// wrap the buffer of the RawDataContainer with an Ogre::MemoryDataStream.
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DataStreamPtr stream(
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OGRE_NEW MemoryDataStream(
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const_cast<void*>(static_cast<const void*>(data.getDataPtr())),
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data.getSize(), false));
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// load the image
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Ogre::Image image;
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image.load(stream, d_dataTypeID.c_str());
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const PixelFormat ogre_pf = image.getFormat();
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const Texture::PixelFormat cegui_pf =
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OgreTexture::fromOgrePixelFormat(ogre_pf);
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// discover the pixel format and number of pixel components
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int components;
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bool rbswap;
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switch (ogre_pf)
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{
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case PF_R8G8B8:
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rbswap = true;
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components = 3;
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break;
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case PF_A8R8G8B8:
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rbswap = true;
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components = 4;
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break;
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default:
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rbswap = false;
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break;
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}
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// do the old switcharoo on R and B if needed
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if (rbswap)
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{
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uchar* dat = image.getData();
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for (uint j = 0; j < image.getHeight(); ++j)
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{
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for (uint i = 0; i < image.getWidth(); ++i)
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{
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uchar tmp = dat[i * components + 0];
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dat[i * components + 0] = dat[i * components + 2];
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dat[i * components + 2] = tmp;
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}
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dat += image.getRowSpan();
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}
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}
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// load the resulting image into the texture
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result->loadFromMemory(image.getData(),
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Sizef(image.getWidth(),
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image.getHeight()),
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cegui_pf);
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return result;
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}
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//----------------------------------------------------------------------------//
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} // End of CEGUI namespace section
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