//---------------------------------------------------------------------
void ILImageCodec::codeToFile(MemoryDataStreamPtr& input,
const String& outFileName, Codec::CodecDataPtr& pData) const
{
ILuint ImageName;
ilGenImages( 1, &ImageName );
ilBindImage( ImageName );
ImageData* pImgData = static_cast< ImageData * >( pData.getPointer() );
PixelBox src(pImgData->width, pImgData->height, pImgData->depth, pImgData->format, input->getPtr());
// Convert image from OGRE to current IL image
ILUtil::fromOgre(src);
iluFlipImage();
// Implicitly pick DevIL codec
ilSaveImage(const_cast< char * >( outFileName.c_str() ) );
// Check if everything was ok
ILenum PossibleError = ilGetError() ;
if( PossibleError != IL_NO_ERROR ) {
ilDeleteImages(1, &ImageName);
OGRE_EXCEPT( Exception::ERR_NOT_IMPLEMENTED,
"IL Error, could not save file: " + outFileName,
iluErrorString(PossibleError) ) ;
}
ilDeleteImages(1, &ImageName);
}
//---------------------------------------------------------------------
DataStreamPtr STBIImageCodec::encode(MemoryDataStreamPtr& input, Codec::CodecDataPtr& pData) const
{
if(mType != "png") {
OGRE_EXCEPT(Exception::ERR_NOT_IMPLEMENTED,
"currently only encoding to PNG supported",
"STBIImageCodec::encode" ) ;
}
ImageData* pImgData = static_cast<ImageData*>(pData.getPointer());
int channels = PixelUtil::getComponentCount(pImgData->format);
int len;
uchar *data = stbi_write_png_to_mem(input->getPtr(), pImgData->width*channels,
pImgData->width, pImgData->height, channels, &len);
if (!data) {
OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR,
"Error encoding image: " + String(stbi_failure_reason()),
"STBIImageCodec::encode");
}
return DataStreamPtr(new MemoryDataStream(data, len, true));
}
