Texture* DevILImageCodec::load(const RawDataContainer& data, Texture* result)
{
ilPushAttrib(IL_ORIGIN_SET);
ilOriginFunc(IL_ORIGIN_UPPER_LEFT);
ilEnable(IL_ORIGIN_SET);
ILuint imgName;
ilGenImages(1, &imgName);
ilBindImage(imgName);
if (IL_FALSE != ilLoadL(IL_TYPE_UNKNOWN,
static_cast<const void*>(data.getDataPtr()),
data.getSize()))
{
// get details about size of loaded image
ILinfo imgInfo;
memset(&imgInfo, 0, sizeof(ILinfo));
iluGetImageInfo(&imgInfo);
// set dimensions of texture
size_t width = imgInfo.Width;
size_t height = imgInfo.Height;
// allocate temp buffer to receive image data
uchar* tmpBuff = new uchar[width * height * 4];
// get image data in required format
Texture::PixelFormat cefmt;
ILenum ilfmt;
switch (imgInfo.Format)
{
case IL_RGBA:
case IL_BGRA:
ilfmt = IL_RGBA;
cefmt = Texture::PF_RGBA;
break;
default:
ilfmt = IL_RGB;
cefmt = Texture::PF_RGB;
break;
};
ilCopyPixels(0, 0, 0, width, height, 1, ilfmt, IL_UNSIGNED_BYTE,
static_cast<void*>(tmpBuff));
// delete DevIL image
ilDeleteImages(1, &imgName);
ilPopAttrib();
// create cegui texture
CEGUI_TRY
{
result->loadFromMemory(tmpBuff, Size(width, height), cefmt);
}
CEGUI_CATCH(...)
{
delete [] tmpBuff;
CEGUI_RETHROW;
}
void ilState::Push(ILuint Bits = IL_ALL_ATTRIB_BITS)
{
ilPushAttrib(Bits);
return;
}
Texture* DevILImageCodec::load(const RawDataContainer& data, Texture* result)
{
ilPushAttrib(IL_ORIGIN_SET);
ilOriginFunc(IL_ORIGIN_UPPER_LEFT);
ilEnable(IL_ORIGIN_SET);
ILuint imgName;
ilGenImages(1, &imgName);
ilBindImage(imgName);
if (ilLoadL(IL_TYPE_UNKNOWN, (ILvoid*)data.getDataPtr(), data.getSize()) != IL_FALSE)
{
// get details about size of loaded image
ILinfo imgInfo;
memset(&imgInfo, 0, sizeof(ILinfo));
iluGetImageInfo(&imgInfo);
// set dimensions of texture
size_t width = imgInfo.Width;
size_t height = imgInfo.Height;
// allocate temp buffer to receive image data
uchar* tmpBuff = new uchar[width * height * 4];
// get image data in required format
Texture::PixelFormat cefmt;
ILenum ilfmt;
switch (imgInfo.Format)
{
case IL_RGBA:
case IL_BGRA:
ilfmt = IL_RGBA;
cefmt = Texture::PF_RGBA;
break;
default:
ilfmt = IL_RGB;
cefmt = Texture::PF_RGB;
break;
};
ilCopyPixels(0, 0, 0, width, height, 1, ilfmt, IL_UNSIGNED_BYTE, (ILvoid*)tmpBuff);
// delete DevIL image
ilDeleteImages(1, &imgName);
ilPopAttrib();
// create cegui texture
try
{
result->loadFromMemory(tmpBuff, width, height, cefmt);
}
catch(...)
{
delete [] tmpBuff;
throw;
}
// free temp buffer
delete [] tmpBuff;
return result;
}
// failed to load image properly.
else
{
// delete DevIL image
ilDeleteImages(1, &imgName);
ilPopAttrib();
return 0;
}
}
