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stb_truetype: add STBTT_fmod

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Sean Barrett 2018-01-30 17:05:57 -08:00
parent 73990fefe7
commit 48168170a1
1 changed files with 9 additions and 3 deletions
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12
stb_truetype.h
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@ -1,4 +1,4 @@
// stb_truetype.h - v1.18 - public domain
// stb_truetype.h - v1.19 - public domain
// authored from 2009-2016 by Sean Barrett / RAD Game Tools
//
// This library processes TrueType files:
@ -47,6 +47,7 @@
//
// VERSION HISTORY
//
// 1.19 (2018-xx-xx) STBTT_fmod
// 1.18 (2018-01-29) add missing function
// 1.17 (2017-07-23) make more arguments const; doc fix
// 1.16 (2017-07-12) SDF support
@ -440,6 +441,11 @@ int main(int arg, char **argv)
#define STBTT_pow(x,y) pow(x,y)
#endif
#ifndef STBTT_fmod
#include <math.h>
#define STBTT_fmod(x,y) fmod(x,y)
#endif
#ifndef STBTT_cos
#include <math.h>
#define STBTT_cos(x) cos(x)
@ -3932,7 +3938,7 @@ static int stbtt__ray_intersect_bezier(float orig[2], float ray[2], float q0[2],
float discr = b*b - a*c;
if (discr > 0.0) {
float rcpna = -1 / a;
float d = (float) sqrt(discr);
float d = (float) STBTT_sqrt(discr);
s0 = (b+d) * rcpna;
s1 = (b-d) * rcpna;
if (s0 >= 0.0 && s0 <= 1.0)
@ -3994,7 +4000,7 @@ static int stbtt__compute_crossings_x(float x, float y, int nverts, stbtt_vertex
orig[1] = y;
// make sure y never passes through a vertex of the shape
y_frac = (float) fmod(y, 1.0f);
y_frac = (float) STBTT_fmod(y, 1.0f);
if (y_frac < 0.01f)
y += 0.01f;
else if (y_frac > 0.99f)