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https://github.com/nothings/stb
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Merge branch 'pull-request-fabs2' of https://github.com/sglass68/stb into working
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commit
4be8fa919f
@ -406,6 +406,11 @@ int main(int arg, char **argv)
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#define STBTT_sqrt(x) sqrt(x)
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#endif
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#ifndef STBTT_fabs
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#include <math.h>
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#define STBTT_fabs(x) fabs(x)
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#endif
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// #define your own functions "STBTT_malloc" / "STBTT_free" to avoid malloc.h
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#ifndef STBTT_malloc
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#include <stdlib.h>
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@ -1993,7 +1998,7 @@ static void stbtt__fill_active_edges_new(float *scanline, float *scanline_fill,
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}
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y_crossing += dy * (x2 - (x1+1));
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STBTT_assert(fabs(area) <= 1.01f);
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STBTT_assert(STBTT_fabs(area) <= 1.01f);
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scanline[x2] += area + sign * (1-((x2-x2)+(x_bottom-x2))/2) * (sy1-y_crossing);
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@ -2129,7 +2134,7 @@ static void stbtt__rasterize_sorted_edges(stbtt__bitmap *result, stbtt__edge *e,
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int m;
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sum += scanline2[i];
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k = scanline[i] + sum;
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k = (float) fabs(k)*255 + 0.5f;
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k = (float) STBTT_fabs(k)*255 + 0.5f;
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m = (int) k;
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if (m > 255) m = 255;
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result->pixels[j*result->stride + i] = (unsigned char) m;
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