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Bug fix for rotation handling. We were doing [T][R0][T-1] instead of [T-1][R0][T] because of the premultiply in nsvg__parseRotate.

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This commit is contained in:
Jean-Philippe Jodoin 2014-07-24 16:23:22 -04:00
parent 35b5b59729
commit 771146226b
1 changed files with 4 additions and 4 deletions
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8
src/nanosvg.h
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@ -1326,15 +1326,15 @@ static int nsvg__parseRotate(float* xform, const char* str)
if (na > 1) {
nsvg__xformSetTranslation(t, -args[1], -args[2]);
nsvg__xformPremultiply(m, t);
nsvg__xformMultiply(m, t);
}
nsvg__xformSetRotation(t, args[0]/180.0f*NSVG_PI);
nsvg__xformPremultiply(m, t);
nsvg__xformMultiply(m, t);
if (na > 1) {
nsvg__xformSetTranslation(t, args[1], args[2]);
nsvg__xformPremultiply(m, t);
nsvg__xformMultiply(m, t);
}
memcpy(xform, m, sizeof(float)*6);