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31 lines
2.3 KiB
C++
31 lines
2.3 KiB
C++
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#pragma once
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#include "Vector2.h"
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#include "Shape.h"
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#include "Projection.h"
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#include "Scanline.h"
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#include "BitmapRef.hpp"
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namespace msdfgen {
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/// Analytically constructs a scanline at y evaluating fill by linear interpolation of the SDF.
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void scanlineSDF(Scanline &line, const BitmapConstRef<float, 1> &sdf, const Projection &projection, double y, bool inverseYAxis = false);
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void scanlineSDF(Scanline &line, const BitmapConstRef<float, 3> &sdf, const Projection &projection, double y, bool inverseYAxis = false);
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void scanlineSDF(Scanline &line, const BitmapConstRef<float, 4> &sdf, const Projection &projection, double y, bool inverseYAxis = false);
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/// Estimates the portion of the area that will be filled incorrectly when rendering using the SDF.
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double estimateSDFError(const BitmapConstRef<float, 1> &sdf, const Shape &shape, const Projection &projection, int scanlinesPerRow, FillRule fillRule = FILL_NONZERO);
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double estimateSDFError(const BitmapConstRef<float, 3> &sdf, const Shape &shape, const Projection &projection, int scanlinesPerRow, FillRule fillRule = FILL_NONZERO);
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double estimateSDFError(const BitmapConstRef<float, 4> &sdf, const Shape &shape, const Projection &projection, int scanlinesPerRow, FillRule fillRule = FILL_NONZERO);
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// Old version of the function API's kept for backwards compatibility
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void scanlineSDF(Scanline &line, const BitmapConstRef<float, 1> &sdf, const Vector2 &scale, const Vector2 &translate, bool inverseYAxis, double y);
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void scanlineSDF(Scanline &line, const BitmapConstRef<float, 3> &sdf, const Vector2 &scale, const Vector2 &translate, bool inverseYAxis, double y);
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void scanlineSDF(Scanline &line, const BitmapConstRef<float, 4> &sdf, const Vector2 &scale, const Vector2 &translate, bool inverseYAxis, double y);
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double estimateSDFError(const BitmapConstRef<float, 1> &sdf, const Shape &shape, const Vector2 &scale, const Vector2 &translate, int scanlinesPerRow, FillRule fillRule = FILL_NONZERO);
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double estimateSDFError(const BitmapConstRef<float, 3> &sdf, const Shape &shape, const Vector2 &scale, const Vector2 &translate, int scanlinesPerRow, FillRule fillRule = FILL_NONZERO);
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double estimateSDFError(const BitmapConstRef<float, 4> &sdf, const Shape &shape, const Vector2 &scale, const Vector2 &translate, int scanlinesPerRow, FillRule fillRule = FILL_NONZERO);
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}
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