4c3f7d1290
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.
30 lines
1.3 KiB
C++
30 lines
1.3 KiB
C++
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#pragma once
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#include "Shape.h"
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#define MSDFGEN_EDGE_LENGTH_PRECISION 4
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namespace msdfgen {
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/** Assigns colors to edges of the shape in accordance to the multi-channel distance field technique.
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* May split some edges if necessary.
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* angleThreshold specifies the maximum angle (in radians) to be considered a corner, for example 3 (~172 degrees).
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* Values below 1/2 PI will be treated as the external angle.
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*/
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void edgeColoringSimple(Shape &shape, double angleThreshold, unsigned long long seed = 0);
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/** The alternative "ink trap" coloring strategy is designed for better results with typefaces
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* that use ink traps as a design feature. It guarantees that even if all edges that are shorter than
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* both their neighboring edges are removed, the coloring remains consistent with the established rules.
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*/
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void edgeColoringInkTrap(Shape &shape, double angleThreshold, unsigned long long seed = 0);
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/** The alternative coloring by distance tries to use different colors for edges that are close together.
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* This should theoretically be the best strategy on average. However, since it needs to compute the distance
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* between all pairs of edges, and perform a graph optimization task, it is much slower than the rest.
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*/
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void edgeColoringByDistance(Shape &shape, double angleThreshold, unsigned long long seed = 0);
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}
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