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Fixed bugs in WIC loader for multframe images when resizing was required

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- texconv & texassemble now load multi-frames if present from WIC files (tiff, gif)
This commit is contained in:
walbourn_cp
2015-03-17 18:07:21 -07:00
parent 5541a2cbcf
commit f618e9f19d
3 changed files with 52 additions and 31 deletions
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69
DirectXTex/DirectXTexWIC.cpp
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@@ -439,71 +439,82 @@ static HRESULT _DecodeMultiframe( _In_ DWORD flags, _In_ const TexMetadata& meta
if ( FAILED(hr) )
return hr;
if ( memcmp( &pfGuid, &sourceGUID, sizeof(WICPixelFormatGUID) ) == 0 )
if ( w == metadata.width && h == metadata.height )
{
if ( w == metadata.width && h == metadata.height )
// This frame does not need resized
if ( memcmp( &pfGuid, &sourceGUID, sizeof(WICPixelFormatGUID) ) == 0 )
{
// This frame does not need resized or format converted, just copy...
hr = frame->CopyPixels( 0, static_cast<UINT>( img->rowPitch ), static_cast<UINT>( img->slicePitch ), img->pixels );
if ( FAILED(hr) )
return hr;
}
else
{
// This frame needs resizing, but not format converted
ComPtr<IWICBitmapScaler> scaler;
hr = pWIC->CreateBitmapScaler( scaler.GetAddressOf() );
ComPtr<IWICFormatConverter> FC;
hr = pWIC->CreateFormatConverter( FC.GetAddressOf() );
if ( FAILED(hr) )
return hr;
hr = scaler->Initialize( frame.Get(), static_cast<UINT>( metadata.width ), static_cast<UINT>( metadata.height ), _GetWICInterp( flags ) );
BOOL canConvert = FALSE;
hr = FC->CanConvert( pfGuid, sourceGUID, &canConvert );
if ( FAILED(hr) || !canConvert )
{
return E_UNEXPECTED;
}
hr = FC->Initialize( frame.Get(), sourceGUID, _GetWICDither( flags ), 0, 0, WICBitmapPaletteTypeCustom );
if ( FAILED(hr) )
return hr;
hr = scaler->CopyPixels( 0, static_cast<UINT>( img->rowPitch ), static_cast<UINT>( img->slicePitch ), img->pixels );
hr = FC->CopyPixels( 0, static_cast<UINT>( img->rowPitch ), static_cast<UINT>( img->slicePitch ), img->pixels );
if ( FAILED(hr) )
return hr;
}
}
else
{
// This frame required format conversion
ComPtr<IWICFormatConverter> FC;
hr = pWIC->CreateFormatConverter( FC.GetAddressOf() );
// This frame needs resizing
ComPtr<IWICBitmapScaler> scaler;
hr = pWIC->CreateBitmapScaler( scaler.GetAddressOf() );
if ( FAILED(hr) )
return hr;
BOOL canConvert = FALSE;
hr = FC->CanConvert( sourceGUID, pfGuid, &canConvert );
if ( FAILED(hr) || !canConvert )
{
return E_UNEXPECTED;
}
hr = FC->Initialize( frame.Get(), pfGuid, _GetWICDither( flags ), 0, 0, WICBitmapPaletteTypeCustom );
hr = scaler->Initialize( frame.Get(), static_cast<UINT>( metadata.width ), static_cast<UINT>( metadata.height ), _GetWICInterp( flags ) );
if ( FAILED(hr) )
return hr;
if ( w == metadata.width && h == metadata.height )
WICPixelFormatGUID pfScaler;
hr = scaler->GetPixelFormat( &pfScaler );
if ( FAILED(hr) )
return hr;
if ( memcmp( &pfScaler, &sourceGUID, sizeof(WICPixelFormatGUID) ) == 0 )
{
// This frame is the same size, no need to scale
hr = FC->CopyPixels( 0, static_cast<UINT>( img->rowPitch ), static_cast<UINT>( img->slicePitch ), img->pixels );
hr = scaler->CopyPixels( 0, static_cast<UINT>( img->rowPitch ), static_cast<UINT>( img->slicePitch ), img->pixels );
if ( FAILED(hr) )
return hr;
}
else
{
// This frame needs resizing and format converted
ComPtr<IWICBitmapScaler> scaler;
hr = pWIC->CreateBitmapScaler( scaler.GetAddressOf() );
// The WIC bitmap scaler is free to return a different pixel format than the source image, so here we
// convert it to our desired format
ComPtr<IWICFormatConverter> FC;
hr = pWIC->CreateFormatConverter( FC.GetAddressOf() );
if ( FAILED(hr) )
return hr;
hr = scaler->Initialize( FC.Get(), static_cast<UINT>( metadata.width ), static_cast<UINT>( metadata.height ), _GetWICInterp( flags ) );
BOOL canConvert = FALSE;
hr = FC->CanConvert( pfScaler, sourceGUID, &canConvert );
if ( FAILED(hr) || !canConvert )
{
return E_UNEXPECTED;
}
hr = FC->Initialize( scaler.Get(), sourceGUID, _GetWICDither( flags ), 0, 0, WICBitmapPaletteTypeCustom );
if ( FAILED(hr) )
return hr;
hr = scaler->CopyPixels( 0, static_cast<UINT>( img->rowPitch ), static_cast<UINT>( img->slicePitch ), img->pixels );
hr = FC->CopyPixels( 0, static_cast<UINT>( img->rowPitch ), static_cast<UINT>( img->slicePitch ), img->pixels );
if ( FAILED(hr) )
return hr;
}