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#jira UE-131151 #review @Kevin.Ortegren @Massimo.Tristano (based on PR #8500) #preflight 63c6c7ff02024f93d861359e [CL 23739117 by aidin abedi in ue5-main branch]
44 lines
2.4 KiB
C++
44 lines
2.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Containers/Array.h"
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#include "Math/Color.h"
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struct FColor;
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class MATERIALBAKING_API FMaterialBakingHelpers
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{
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public:
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/**
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* Applies a box blur to magenta pixels found in given texture represented by InOutPixels using non-background pixels, this creates a smear across the magenta/filled pixels.
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* @param InOutPixels The image to apply the smear to
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* @param ImageWidth The width of the image in pixels
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* @param ImageHeight The height of the image in pixels
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* @param MaxIterations The max distance in pixels to smear the edges of the texture. When set to -1 this value is the max of the width and height of the buffer
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* @param BackgroundColor The pixel color considered background in the image, and that can be smeared into
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*/
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static void PerformUVBorderSmear(TArray<FColor>& InOutPixels, int32 ImageWidth, int32 ImageHeight, int32 MaxIterations = -1, FColor BackgroundColor = FColor::Magenta);
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/**
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* Shrinks the array to a single pixel if the entire output is monochrome. Params will be adjusted accordingly when this occurs.
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* It's useful to perform this before the border smear as a single non-magenta pixel value would have led to a monochrome image post-smear anyway,
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* so the actual smearing process can be skipped.
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* @param InOutPixels The image to shrink
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* @param ImageWidth The width of the image in pixels
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* @param ImageHeight The height of the image in pixels
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*/
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static void PerformShrinking(TArray<FColor>& InOutPixels, int32& OnOutImageWidth, int32& InOutImageHeight, FColor BackgroundColor = FColor::Magenta);
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/**
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* Applies a box blur to magenta pixels found in given texture represented by InOutPixels using non-background pixels, this creates a smear across the magenta/filled pixels.
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* @param InOutPixels The image to apply the smear to
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* @param InOutImageWidth The width of the image in pixels
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* @param InOutImageHeight The height of the image in pixels
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* @param BackgroundColor The pixel color considered background in the image, and that can be smeared into
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*
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* @note This version is allowed to shrink the array to a single pixel if the entire output is monochrome. Params will be adjusted accordingly when this occurs.
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*/
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static void PerformUVBorderSmearAndShrink(TArray<FColor>& InOutPixels, int32& InOutImageWidth, int32& InOutImageHeight, FColor BackgroundColor = FColor::Magenta);
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};
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