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godotengine
GitHub Repository: godotengine/godot
 Path: blob/master/thirdparty/msdfgen/core/msdf-error-correction.h
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#pragma once

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#include "Vector2.hpp"

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#include "Range.hpp"

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#include "Projection.h"

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#include "SDFTransformation.h"

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#include "Shape.h"

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#include "BitmapRef.hpp"

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#include "generator-config.h"

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namespace msdfgen {

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/// Predicts potential artifacts caused by the interpolation of the MSDF and corrects them by converting nearby texels to single-channel.

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void msdfErrorCorrection(const BitmapRef<float, 3> &sdf, const Shape &shape, const SDFTransformation &transformation, const MSDFGeneratorConfig &config = MSDFGeneratorConfig());

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void msdfErrorCorrection(const BitmapRef<float, 4> &sdf, const Shape &shape, const SDFTransformation &transformation, const MSDFGeneratorConfig &config = MSDFGeneratorConfig());

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void msdfErrorCorrection(const BitmapRef<float, 3> &sdf, const Shape &shape, const Projection &projection, Range range, const MSDFGeneratorConfig &config = MSDFGeneratorConfig());

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void msdfErrorCorrection(const BitmapRef<float, 4> &sdf, const Shape &shape, const Projection &projection, Range range, const MSDFGeneratorConfig &config = MSDFGeneratorConfig());

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/// Applies the simplified error correction to all discontiunous distances (INDISCRIMINATE mode). Does not need shape or translation.

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void msdfFastDistanceErrorCorrection(const BitmapRef<float, 3> &sdf, const SDFTransformation &transformation, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);

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void msdfFastDistanceErrorCorrection(const BitmapRef<float, 4> &sdf, const SDFTransformation &transformation, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);

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void msdfFastDistanceErrorCorrection(const BitmapRef<float, 3> &sdf, const Projection &projection, Range range, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);

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void msdfFastDistanceErrorCorrection(const BitmapRef<float, 4> &sdf, const Projection &projection, Range range, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);

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void msdfFastDistanceErrorCorrection(const BitmapRef<float, 3> &sdf, Range pxRange, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);

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void msdfFastDistanceErrorCorrection(const BitmapRef<float, 4> &sdf, Range pxRange, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);

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/// Applies the simplified error correction to edges only (EDGE_ONLY mode). Does not need shape or translation.

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void msdfFastEdgeErrorCorrection(const BitmapRef<float, 3> &sdf, const SDFTransformation &transformation, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);

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void msdfFastEdgeErrorCorrection(const BitmapRef<float, 4> &sdf, const SDFTransformation &transformation, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);

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void msdfFastEdgeErrorCorrection(const BitmapRef<float, 3> &sdf, const Projection &projection, Range range, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);

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void msdfFastEdgeErrorCorrection(const BitmapRef<float, 4> &sdf, const Projection &projection, Range range, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);

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void msdfFastEdgeErrorCorrection(const BitmapRef<float, 3> &sdf, Range pxRange, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);

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void msdfFastEdgeErrorCorrection(const BitmapRef<float, 4> &sdf, Range pxRange, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);

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/// The original version of the error correction algorithm.

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void msdfErrorCorrection_legacy(const BitmapRef<float, 3> &output, const Vector2 &threshold);

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void msdfErrorCorrection_legacy(const BitmapRef<float, 4> &output, const Vector2 &threshold);

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}

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