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  3. FImageOperator

FImageOperator

This struct contains image operations that may need to allocate and free temporary images to work.

API > API/Plugins > API/Plugins/MutableRuntime > API/Plugins/MutableRuntime/MuR

References

   
Module MutableRuntime
Header /Engine/Plugins/Experimental/Mutable/Source/MutableRuntime/Public/MuR/Image.h
Include #include "MuR/Image.h"

Syntax

struct FImageOperator

Remarks

This struct contains image operations that may need to allocate and free temporary images to work. It's purpose is to override the creation, release and clone functions depending on the context.

Variables

  Type Name Description
Public variable FImageCloneFunc CloneImage  
Public variable FImageCreateFunc CreateImage  
Public variable FImageReleaseFunc ReleaseImage  

Constructors

  Type Name Description
Public function    

Functions

  Type Name Description
Public function Ptr< Image >

ExtractMip ( const Image* From,
int32 Mip
)

  
Public function void

FillColor ( Image* Image,
FVector4f Color
)

 Fill the image with a plain colour.
Public function Static FImageOperator Create an default version for untracked resources.
Public function void

ImageCompose ( Image* Base,
const Image* Block,
const box< UE::Math::TIntVector2< uint16 > >& Rect
)

  
Public function bool

ImageCrop ( Image* Cropped,
int32 CompressionQuality,
const Image* Base,
const box< FIntVector2 >& Rect
)

  
Public function void

ImageMipmap ( int32 CompressionQuality,
Image* Dest,
const Image* Base,
int32 LevelCount,
const FMipmapGenerationSettings&,
bool bGenerateOnlyTail
)

 Generate the mipmaps for images.
Public function void

ImageMipmap ( FImageOperator::FScratchImageMipmap&,
int32 CompressionQuality,
Image* Dest,
const Image* Base,
int32 LevelCount,
const FMipmapGenerationSettings&,
bool bGenerateOnlyTail
)

  
Public function void

ImageMipmap_PrepareScratch ( Image* Dest,
const Image* Base,
int32 LevelCount,
FScratchImageMipmap&
)

 Mipmap separating the worst case treatment in 3 steps to manage allocations of temp data.
Public function void  
Public function Ptr< Image >

ImagePixelFormat ( int32 Quality,
const Image* Base,
EImageFormat TargetFormat,
int32 OnlyLOD
)

 Convert an image to another pixel format.
Public function void

ImagePixelFormat ( bool& bOutSuccess,
int32 Quality,
Image* Result,
const Image* Base,
int32 OnlyLOD
)

 Convert an image to another pixel format. Not all format conversions are implemented.
Public function void

ImageResizeLinear ( Image* Dest,
int32 ImageCompressionQuality,
const Image* Base
)

 Bilinear filter image resize.
Public function Ptr< Image >

ImageSwizzle ( EImageFormat Format,
const Ptr< const Image > Sources,
const uint8 Channels
)

  

Classes

  Type Name Description
Public struct FScratchImageMipmap Support struct to keep preallocated data required for some mipmap operations.  

Typedefs

Name Description
FImageCloneFunc  
FImageCreateFunc Common callback used for functions that can create temporary images.
FImageReleaseFunc  

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