CFX_ByteString CPWL_Image::GetImageAppStream() {
CFX_ByteTextBuf sAppStream;
CFX_ByteString sAlias = GetImageAlias();
CFX_FloatRect rcPlate = GetClientRect();
CFX_Matrix mt;
mt.SetReverse(GetImageMatrix());
FX_FLOAT fHScale = 1.0f;
FX_FLOAT fVScale = 1.0f;
GetScale(fHScale, fVScale);
FX_FLOAT fx = 0.0f;
FX_FLOAT fy = 0.0f;
GetImageOffset(fx, fy);
if (m_pPDFStream && sAlias.GetLength() > 0) {
sAppStream << "q\n";
sAppStream << rcPlate.left << " " << rcPlate.bottom << " "
<< rcPlate.right - rcPlate.left << " "
<< rcPlate.top - rcPlate.bottom << " re W n\n";
sAppStream << fHScale << " 0 0 " << fVScale << " " << rcPlate.left + fx
<< " " << rcPlate.bottom + fy << " cm\n";
sAppStream << mt.GetA() << " " << mt.GetB() << " " << mt.GetC() << " "
<< mt.GetD() << " " << mt.GetE() << " " << mt.GetF() << " cm\n";
sAppStream << "0 g 0 G 1 w /" << sAlias.AsStringC() << " Do\n"
<< "Q\n";
}
return sAppStream.MakeString();
}
//-----------------------------------------------------------------------------
// Returns a pointer to the data associated with a particular frame, face, and mip level
//-----------------------------------------------------------------------------
unsigned char *CVTFTexture::ImageData( int iFrame, int iFace, int iMipLevel )
{
Assert( m_pImageData );
int iOffset = GetImageOffset( iFrame, iFace, iMipLevel, m_Format );
return &m_pImageData[iOffset];
}
//-----------------------------------------------------------------------------
// Converts the texture's image format. Use IMAGE_FORMAT_DEFAULT
// if you want to be able to use various tool functions below
//-----------------------------------------------------------------------------
void CVTFTexture::ConvertImageFormat( ImageFormat fmt, bool bNormalToDUDV )
{
if ( !m_pImageData )
return;
if (fmt == IMAGE_FORMAT_DEFAULT)
fmt = IMAGE_FORMAT_RGBA8888;
if( bNormalToDUDV && !( fmt == IMAGE_FORMAT_UV88 || fmt == IMAGE_FORMAT_UVWQ8888 ) )
{
Assert( 0 );
return;
}
if (m_Format == fmt)
return;
// FIXME: Should this be re-written to not do an allocation?
int iConvertedSize = ComputeTotalSize( fmt );
unsigned char *pConvertedImage = (unsigned char*)MemAllocScratch(iConvertedSize);
for (int iMip = 0; iMip < m_nMipCount; ++iMip)
{
int nMipWidth, nMipHeight;
ComputeMipLevelDimensions( iMip, &nMipWidth, &nMipHeight );
for (int iFrame = 0; iFrame < m_nFrameCount; ++iFrame)
{
for (int iFace = 0; iFace < m_nFaceCount; ++iFace)
{
unsigned char *pSrcData = ImageData( iFrame, iFace, iMip );
unsigned char *pDstData = pConvertedImage +
GetImageOffset( iFrame, iFace, iMip, fmt );
if( bNormalToDUDV )
{
if( fmt == IMAGE_FORMAT_UV88 )
{
ImageLoader::ConvertNormalMapRGBA8888ToDUDVMapUV88( pSrcData,
nMipWidth, nMipHeight, pDstData );
}
else if( fmt == IMAGE_FORMAT_UVWQ8888 )
{
ImageLoader::ConvertNormalMapRGBA8888ToDUDVMapUVWQ8888( pSrcData,
nMipWidth, nMipHeight, pDstData );
}
else
{
Assert( 0 );
return;
}
}
else
{
ImageLoader::ConvertImageFormat( pSrcData, m_Format,
pDstData, fmt, nMipWidth, nMipHeight );
}
}
}
}
AllocateImageData(iConvertedSize);
memcpy( m_pImageData, pConvertedImage, iConvertedSize );
m_Format = fmt;
MemFreeScratch();
}