UTexture2D* ULRRTextureManager::GetTexture(FString path, bool alpha) {
TArray<uint8> RawFileData;
FFileHelper::LoadFileToArray(RawFileData, *path, 0);
if (RawFileData.Num() != 0)
{
IImageWrapperModule& ImageWrapperModule = FModuleManager::LoadModuleChecked<IImageWrapperModule>(FName(TEXT("ImageWrapper")));
// Note: PNG format. Other formats are supported
IImageWrapperPtr ImageWrapper = ImageWrapperModule.CreateImageWrapper(EImageFormat::BMP);
if (ImageWrapper.IsValid() && ImageWrapper->SetCompressed(RawFileData.GetData(), RawFileData.Num()))
{
const TArray<uint8>* UncompressedBGRA = nullptr;
TArray<uint8> UncompressedRGBA;
if (ImageWrapper->GetRaw(ERGBFormat::BGRA, 8, UncompressedBGRA))
{
// Create the UTexture for rendering
UncompressedRGBA.AddZeroed(UncompressedBGRA->Num());
for (int i = 0; UncompressedBGRA->Num() > i; i += 4) {
UncompressedRGBA[i] = (*UncompressedBGRA)[i + 2];
UncompressedRGBA[i + 1] = (*UncompressedBGRA)[i + 1];
UncompressedRGBA[i + 2] = (*UncompressedBGRA)[i];
UncompressedRGBA[i + 3] = (*UncompressedBGRA)[i + 3];
if (alpha) {
if ((UncompressedRGBA[i] + UncompressedRGBA[i + 1] + UncompressedRGBA[i + 2]) < 3) {
UncompressedRGBA[i + 3] = 0;
}
}
}
UTexture2D* MyTexture = UTexture2D::CreateTransient(ImageWrapper->GetWidth(), ImageWrapper->GetHeight(), PF_R8G8B8A8);
// Fill in the source data from the file
uint8* TextureData = (uint8*)MyTexture->PlatformData->Mips[0].BulkData.Lock(LOCK_READ_WRITE);
FMemory::Memcpy(TextureData, UncompressedRGBA.GetData(), UncompressedRGBA.Num());
MyTexture->PlatformData->Mips[0].BulkData.Unlock();
// Update the rendering resource from data.
MyTexture->UpdateResource();
return MyTexture;
}
}
}
return nullptr;
}
TSharedPtr<FSlateDynamicImageBrush> FNewsFeedCache::RawDataToBrush( FName ResourceName, const TArray< uint8 >& InRawData ) const
{
TSharedPtr<FSlateDynamicImageBrush> Brush;
uint32 BytesPerPixel = 4;
int32 Width = 0;
int32 Height = 0;
bool bSucceeded = false;
TArray<uint8> DecodedImage;
IImageWrapperModule& ImageWrapperModule = FModuleManager::LoadModuleChecked<IImageWrapperModule>(FName("ImageWrapper"));
IImageWrapperPtr ImageWrapper = ImageWrapperModule.CreateImageWrapper( EImageFormat::PNG );
if (ImageWrapper.IsValid() && ImageWrapper->SetCompressed(InRawData.GetData(), InRawData.Num()))
{
Width = ImageWrapper->GetWidth();
Height = ImageWrapper->GetHeight();
const TArray<uint8>* RawData = NULL;
if (ImageWrapper->GetRaw( ERGBFormat::BGRA, 8, RawData))
{
DecodedImage.AddUninitialized( Width * Height * BytesPerPixel );
DecodedImage = *RawData;
bSucceeded = true;
}
}
if (bSucceeded && FSlateApplication::Get().GetRenderer()->GenerateDynamicImageResource(ResourceName, ImageWrapper->GetWidth(), ImageWrapper->GetHeight(), DecodedImage))
{
Brush = MakeShareable(new FSlateDynamicImageBrush(ResourceName, FVector2D(ImageWrapper->GetWidth(), ImageWrapper->GetHeight())));
}
return Brush;
}
TSharedPtr< FSlateDynamicImageBrush > FEpicSurvey::LoadRawDataAsBrush( FName ResourceName, const TArray< uint8 >& RawData ) const
{
TSharedPtr< FSlateDynamicImageBrush > Brush;
uint32 BytesPerPixel = 4;
int32 Width = 0;
int32 Height = 0;
bool bSucceeded = false;
TArray<uint8> DecodedImage;
IImageWrapperModule& ImageWrapperModule = FModuleManager::LoadModuleChecked<IImageWrapperModule>( FName("ImageWrapper") );
IImageWrapperPtr ImageWrapper = ImageWrapperModule.CreateImageWrapper( EImageFormat::PNG );
if ( ImageWrapper.IsValid() && ImageWrapper->SetCompressed( RawData.GetData(), RawData.Num() ) )
{
Width = ImageWrapper->GetWidth();
Height = ImageWrapper->GetHeight();
const TArray<uint8>* RawImageData = NULL;
if (ImageWrapper->GetRaw(ERGBFormat::BGRA, 8, RawImageData))
{
DecodedImage.AddUninitialized( Width * Height * BytesPerPixel );
DecodedImage = *RawImageData;
bSucceeded = true;
}
}
if ( bSucceeded )
{
Brush = FSlateDynamicImageBrush::CreateWithImageData( ResourceName, FVector2D(ImageWrapper->GetWidth(), ImageWrapper->GetHeight()), DecodedImage );
}
return Brush;
}
TSharedPtr<FSlateDynamicImageBrush> FContentSourceViewModel::CreateBrushFromRawData(FString ResourceNamePrefix, const TArray< uint8 >& RawData) const
{
TSharedPtr< FSlateDynamicImageBrush > Brush;
uint32 BytesPerPixel = 4;
int32 Width = 0;
int32 Height = 0;
bool bSucceeded = false;
TArray<uint8> DecodedImage;
IImageWrapperModule& ImageWrapperModule = FModuleManager::LoadModuleChecked<IImageWrapperModule>(FName("ImageWrapper"));
IImageWrapperPtr ImageWrapper = ImageWrapperModule.CreateImageWrapper(EImageFormat::PNG);
if (ImageWrapper.IsValid() && (RawData.Num() > 0) && ImageWrapper->SetCompressed(RawData.GetData(), RawData.Num()))
{
Width = ImageWrapper->GetWidth();
Height = ImageWrapper->GetHeight();
const TArray<uint8>* RawImageData = NULL;
if (ImageWrapper->GetRaw(ERGBFormat::BGRA, 8, RawImageData))
{
DecodedImage.AddUninitialized(Width * Height * BytesPerPixel);
DecodedImage = *RawImageData;
bSucceeded = true;
}
}
if (bSucceeded)
{
FString UniqueResourceName = ResourceNamePrefix + "_" + FString::FromInt(ImageID++);
Brush = FSlateDynamicImageBrush::CreateWithImageData(FName(*UniqueResourceName), FVector2D(ImageWrapper->GetWidth(), ImageWrapper->GetHeight()), DecodedImage);
}
return Brush;
}
uint8* FTextureSource::LockMip(int32 MipIndex)
{
uint8* MipData = NULL;
if (MipIndex < NumMips)
{
if (LockedMipData == NULL)
{
LockedMipData = (uint8*)BulkData.Lock(LOCK_READ_WRITE);
if (bPNGCompressed)
{
bool bCanPngCompressFormat = (Format == TSF_G8 || Format == TSF_RGBA8 || Format == TSF_BGRA8 || Format == TSF_RGBA16);
check(NumSlices == 1 && bCanPngCompressFormat);
if (MipIndex != 0)
{
return NULL;
}
IImageWrapperModule& ImageWrapperModule = FModuleManager::LoadModuleChecked<IImageWrapperModule>( FName("ImageWrapper") );
IImageWrapperPtr ImageWrapper = ImageWrapperModule.CreateImageWrapper( EImageFormat::PNG );
if ( ImageWrapper.IsValid() && ImageWrapper->SetCompressed( LockedMipData, BulkData.GetBulkDataSize() ) )
{
check( ImageWrapper->GetWidth() == SizeX );
check( ImageWrapper->GetHeight() == SizeY );
const TArray<uint8>* RawData = NULL;
// TODO: TSF_BGRA8 is stored as RGBA, so the R and B channels are swapped in the internal png. Should we fix this?
ERGBFormat::Type RawFormat = (Format == TSF_G8) ? ERGBFormat::Gray : ERGBFormat::RGBA;
if (ImageWrapper->GetRaw( RawFormat, Format == TSF_RGBA16 ? 16 : 8, RawData ))
{
if (RawData->Num() > 0)
{
LockedMipData = (uint8*)FMemory::Malloc(RawData->Num());
// PVS-Studio does not understand that IImageWrapper::GetRaw's return value validates the pointer, so we disable
// the warning that we are using the RawData pointer before checking for null:
FMemory::Memcpy(LockedMipData, RawData->GetData(), RawData->Num()); //-V595
}
}
if (RawData == NULL || RawData->Num() == 0)
{
UE_LOG(LogTexture, Warning, TEXT("PNG decompression of source art failed"));
}
}
else
{
UE_LOG(LogTexture, Log, TEXT("Only pngs are supported"));
}
}
}
MipData = LockedMipData + CalcMipOffset(MipIndex);
LockedMips |= (1 << MipIndex);
}
return MipData;
}
/**
* Loads a UTexture2D from a package and stores it in the cache
*
* @param TextureName The name of the texture to load
*/
bool FSlateRHIResourceManager::LoadTexture( const FName& TextureName, const FString& ResourcePath, uint32& Width, uint32& Height, TArray<uint8>& DecodedImage )
{
check( IsThreadSafeForSlateRendering() );
bool bSucceeded = true;
uint32 BytesPerPixel = 4;
TArray<uint8> RawFileData;
if( FFileHelper::LoadFileToArray( RawFileData, *ResourcePath ) )
{
IImageWrapperModule& ImageWrapperModule = FModuleManager::LoadModuleChecked<IImageWrapperModule>( FName("ImageWrapper") );
IImageWrapperPtr ImageWrapper = ImageWrapperModule.CreateImageWrapper( EImageFormat::PNG );
if ( ImageWrapper.IsValid() && ImageWrapper->SetCompressed( RawFileData.GetData(), RawFileData.Num() ) )
{
Width = ImageWrapper->GetWidth();
Height = ImageWrapper->GetHeight();
const TArray<uint8>* RawData = NULL;
if (ImageWrapper->GetRaw( ERGBFormat::BGRA, 8, RawData))
{
DecodedImage.AddUninitialized( Width*Height*BytesPerPixel );
DecodedImage = *RawData;
}
else
{
UE_LOG(LogSlate, Log, TEXT("Invalid texture format for Slate resource only RGBA and RGB pngs are supported: %s"), *TextureName.ToString() );
bSucceeded = false;
}
}
else
{
UE_LOG(LogSlate, Log, TEXT("Only pngs are supported in Slate"));
bSucceeded = false;
}
}
else
{
UE_LOG(LogSlate, Log, TEXT("Could not find file for Slate resource: %s"), *TextureName.ToString() );
bSucceeded = false;
}
return bSucceeded;
}
bool FSlateD3DTextureManager::LoadTexture( const FSlateBrush& InBrush, uint32& OutWidth, uint32& OutHeight, TArray<uint8>& OutDecodedImage )
{
FString ResourcePath = GetResourcePath( InBrush );
uint32 BytesPerPixel = 4;
bool bSucceeded = true;
TArray<uint8> RawFileData;
if( FFileHelper::LoadFileToArray( RawFileData, *ResourcePath ) )
{
IImageWrapperModule& ImageWrapperModule = FModuleManager::LoadModuleChecked<IImageWrapperModule>( FName("ImageWrapper") );
IImageWrapperPtr ImageWrapper = ImageWrapperModule.CreateImageWrapper( EImageFormat::PNG );
if ( ImageWrapper.IsValid() && ImageWrapper->SetCompressed( RawFileData.GetData(), RawFileData.Num() ) )
{
OutWidth = ImageWrapper->GetWidth();
OutHeight = ImageWrapper->GetHeight();
const TArray<uint8>* RawData = NULL;
if (ImageWrapper->GetRaw(ERGBFormat::RGBA, 8, RawData) == false)
{
UE_LOG(LogSlateD3D, Log, TEXT("Invalid texture format for Slate resource only RGBA and RGB pngs are supported: %s"), *InBrush.GetResourceName().ToString() );
bSucceeded = false;
}
else
{
OutDecodedImage = *RawData;
}
}
else
{
UE_LOG(LogSlateD3D, Log, TEXT("Only pngs are supported in Slate"));
bSucceeded = false;
}
}
else
{
UE_LOG(LogSlateD3D, Log, TEXT("Could not find file for Slate resource: %s"), *InBrush.GetResourceName().ToString() );
bSucceeded = false;
}
return bSucceeded;
}
void FSSTBatchCombinerModule::PluginButtonClicked()
{
TArray<FString> OutFileNames;
TArray<FString> OutFileNames2;
FDesktopPlatformModule::Get()->OpenFileDialog(nullptr, "select First Image Files", "", "", "Image Files (*.png)|*.png", 1, OutFileNames);
FDesktopPlatformModule::Get()->OpenFileDialog(nullptr, "select Second Image Files", "", "", "Image Files (*.png)|*.png", 1, OutFileNames2);
if (OutFileNames.Num() && OutFileNames2.Num())
{
if (OutFileNames.Num() != OutFileNames2.Num())
{
FString DialogText = "Error! first set quantity does not match second set!";
FMessageDialog::Open(EAppMsgType::Ok, FText::FromString(DialogText));
return;
}
IImageWrapperModule& ImageWrapperModule = FModuleManager::LoadModuleChecked<IImageWrapperModule>(FName("ImageWrapper"));
for (int32 i = 0; i < OutFileNames.Num(); i++)
{
TArray<uint8> RawFileData;
TArray<uint8> RawFileData2;
if (FFileHelper::LoadFileToArray(RawFileData, *OutFileNames[i]) && FFileHelper::LoadFileToArray(RawFileData2, *OutFileNames2[i]))
{
IImageWrapperPtr ImageWrapper = ImageWrapperModule.CreateImageWrapper(EImageFormat::PNG);
IImageWrapperPtr ImageWrapper2 = ImageWrapperModule.CreateImageWrapper(EImageFormat::PNG);
if (ImageWrapper.IsValid() && ImageWrapper->SetCompressed(RawFileData.GetData(), RawFileData.Num())
&& ImageWrapper2.IsValid() && ImageWrapper2->SetCompressed(RawFileData2.GetData(), RawFileData2.Num()))
{
const TArray<uint8>* RawData = nullptr;
const TArray<uint8>* RawData2 = nullptr;
if (ImageWrapper->GetRaw(ERGBFormat::BGRA, ImageWrapper->GetBitDepth(), RawData)
&& ImageWrapper2->GetRaw(ERGBFormat::BGRA, ImageWrapper2->GetBitDepth(), RawData2))
{
uint32 ImageWidth = ImageWrapper->GetWidth();
uint32 ImageHeight = ImageWrapper->GetHeight();
uint32 ImageWidth2 = ImageWrapper2->GetWidth();
uint32 ImageHeight2 = ImageWrapper2->GetHeight();
if ((ImageWidth != ImageWidth2) || (ImageHeight != ImageHeight2))
{
FString DialogText = "Error! Image dimensions do not match for frame " + FString::FromInt(i);
FMessageDialog::Open(EAppMsgType::Ok, FText::FromString(DialogText));
return;
}
TArray<uint8> newdata;
newdata = *RawData;
for (int32 a = 0; a < RawData->Num() - 4; a = a + 4)
{
newdata[a + 1] = (*RawData2)[a];
}
//save
ImageWrapper->SetRaw(newdata.GetData(), newdata.GetAllocatedSize(), ImageWidth, ImageHeight, ERGBFormat::BGRA, 8);
const TArray<uint8>& PNGData = ImageWrapper->GetCompressed(100);
FFileHelper::SaveArrayToFile(PNGData, *OutFileNames[i]);
} //if imagewrapper.getraw
} //if imagewrapper.valid
} //if load file
}// for files loop
} //if files
}
const TArray<uint16>& ULandscapeEditorObject::GetImportLandscapeData()
{
if (ImportLandscape_HeightmapFilename.EndsWith(".png"))
{
if (ImportLandscape_Data.Num() == 0)
{
ImportLandscape_Data.Empty();
TArray<uint8> ImportData;
if (!FFileHelper::LoadFileToArray(ImportData, *ImportLandscape_HeightmapFilename, FILEREAD_Silent))
{
ImportLandscape_HeightmapError = ELandscapeImportHeightmapError::FileNotFound;
}
else
{
IImageWrapperModule& ImageWrapperModule = FModuleManager::LoadModuleChecked<IImageWrapperModule>("ImageWrapper");
IImageWrapperPtr ImageWrapper = ImageWrapperModule.CreateImageWrapper(EImageFormat::PNG);
const TArray<uint8>* RawData = NULL;
if (ImageWrapper->SetCompressed(ImportData.GetData(), ImportData.Num()) &&
ImageWrapper->GetWidth() == ImportLandscape_Width && ImageWrapper->GetHeight() == ImportLandscape_Height)
{
if (ImageWrapper->GetBitDepth() <= 8)
{
ImageWrapper->GetRaw(ERGBFormat::Gray, 8, RawData);
if (ensure(RawData->Num() == ImportLandscape_Width * ImportLandscape_Height))
{
ImportLandscape_Data.Empty(ImportLandscape_Width * ImportLandscape_Height);
ImportLandscape_Data.AddUninitialized(ImportLandscape_Width * ImportLandscape_Height);
for (int32 i = 0; i < RawData->Num(); i++)
{
ImportLandscape_Data[i] = (*RawData)[i] * 0x101; // Expand to 16-bit
}
}
}
else
{
ImageWrapper->GetRaw(ERGBFormat::Gray, 16, RawData);
if (ensure(RawData->Num() == ImportLandscape_Width * ImportLandscape_Height * 2))
{
ImportLandscape_Data.Empty(ImportLandscape_Width * ImportLandscape_Height);
ImportLandscape_Data.AddUninitialized(ImportLandscape_Width * ImportLandscape_Height);
FMemory::Memcpy(ImportLandscape_Data.GetData(), RawData->GetData(), RawData->Num());
}
}
}
}
}
}
else
{
if (ImportLandscape_Width * ImportLandscape_Height != ImportLandscape_Data.Num())
{
ImportLandscape_Data.Empty();
TArray<uint8> ImportData;
if (ImportLandscape_Width > 0 && ImportLandscape_Height > 0 &&
FFileHelper::LoadFileToArray(ImportData, *ImportLandscape_HeightmapFilename, FILEREAD_Silent) &&
ImportData.Num() == ImportLandscape_Width * ImportLandscape_Height * 2)
{
ImportLandscape_Data.Empty(ImportLandscape_Width * ImportLandscape_Height);
ImportLandscape_Data.AddUninitialized(ImportLandscape_Width * ImportLandscape_Height);
FMemory::Memcpy(ImportLandscape_Data.GetData(), ImportData.GetData(), ImportData.Num());
}
}
}
return ImportLandscape_Data;
}
bool FTextureSource::GetMipData(TArray<uint8>& OutMipData, int32 MipIndex)
{
bool bSuccess = false;
if (MipIndex < NumMips && BulkData.GetBulkDataSize() > 0)
{
void* RawSourceData = BulkData.Lock(LOCK_READ_ONLY);
if (bPNGCompressed)
{
bool bCanPngCompressFormat = (Format == TSF_G8 || Format == TSF_RGBA8 || Format == TSF_BGRA8 || Format == TSF_RGBA16);
if (MipIndex == 0 && NumSlices == 1 && bCanPngCompressFormat)
{
IImageWrapperModule& ImageWrapperModule = FModuleManager::LoadModuleChecked<IImageWrapperModule>( FName("ImageWrapper") );
IImageWrapperPtr ImageWrapper = ImageWrapperModule.CreateImageWrapper( EImageFormat::PNG );
if ( ImageWrapper.IsValid() && ImageWrapper->SetCompressed( RawSourceData, BulkData.GetBulkDataSize() ) )
{
if (ImageWrapper->GetWidth() == SizeX
&& ImageWrapper->GetHeight() == SizeY)
{
const TArray<uint8>* RawData = NULL;
// TODO: TSF_BGRA8 is stored as RGBA, so the R and B channels are swapped in the internal png. Should we fix this?
ERGBFormat::Type RawFormat = (Format == TSF_G8) ? ERGBFormat::Gray : ERGBFormat::RGBA;
if (ImageWrapper->GetRaw( RawFormat, Format == TSF_RGBA16 ? 16 : 8, RawData ))
{
OutMipData = *RawData;
bSuccess = true;
}
else
{
UE_LOG(LogTexture, Warning, TEXT("PNG decompression of source art failed"));
OutMipData.Empty();
}
}
else
{
UE_LOG(LogTexture, Warning,
TEXT("PNG decompression of source art failed. ")
TEXT("Source image should be %dx%d but is %dx%d"),
SizeX, SizeY,
ImageWrapper->GetWidth(), ImageWrapper->GetHeight()
);
}
}
else
{
UE_LOG(LogTexture, Log, TEXT("Only pngs are supported"));
}
}
}
else
{
int32 MipOffset = CalcMipOffset(MipIndex);
int32 MipSize = CalcMipSize(MipIndex);
if (BulkData.GetBulkDataSize() >= MipOffset + MipSize)
{
OutMipData.Empty(MipSize);
OutMipData.AddUninitialized(MipSize);
FMemory::Memcpy(
OutMipData.GetTypedData(),
(uint8*)RawSourceData + MipOffset,
MipSize
);
}
bSuccess = true;
}
BulkData.Unlock();
}
return bSuccess;
}