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godot/thirdparty/msdfgen/core/msdf-error-correction.h

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Makes FontData importable resource. Adds multi-channel SDF font texture generation and rendering support. Adds per-font oversampling support. Adds FontData import plugins (for dynamic fonts, BMFonts and monospaced image fonts), font texture cache pre-generation and loading. Adds BMFont binary format and outline support.
2020-12-27 13:30:33 +00:00
#pragma once
#include "Vector2.h"
#include "Projection.h"
#include "Shape.h"
#include "BitmapRef.hpp"
#include "generator-config.h"
namespace msdfgen {
/// Predicts potential artifacts caused by the interpolation of the MSDF and corrects them by converting nearby texels to single-channel.
void msdfErrorCorrection(const BitmapRef<float, 3> &sdf, const Shape &shape, const Projection &projection, double range, const MSDFGeneratorConfig &config = MSDFGeneratorConfig());
void msdfErrorCorrection(const BitmapRef<float, 4> &sdf, const Shape &shape, const Projection &projection, double range, const MSDFGeneratorConfig &config = MSDFGeneratorConfig());
/// Applies the simplified error correction to all discontiunous distances (INDISCRIMINATE mode). Does not need shape or translation.
void msdfFastDistanceErrorCorrection(const BitmapRef<float, 3> &sdf, const Projection &projection, double range, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);
void msdfFastDistanceErrorCorrection(const BitmapRef<float, 4> &sdf, const Projection &projection, double range, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);
/// Applies the simplified error correction to edges only (EDGE_ONLY mode). Does not need shape or translation.
void msdfFastEdgeErrorCorrection(const BitmapRef<float, 3> &sdf, const Projection &projection, double range, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);
void msdfFastEdgeErrorCorrection(const BitmapRef<float, 4> &sdf, const Projection &projection, double range, double minDeviationRatio = ErrorCorrectionConfig::defaultMinDeviationRatio);
/// The original version of the error correction algorithm.
void msdfErrorCorrection_legacy(const BitmapRef<float, 3> &output, const Vector2 &threshold);
void msdfErrorCorrection_legacy(const BitmapRef<float, 4> &output, const Vector2 &threshold);
}