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In GrMatrix's setScale, setSkew, & setTranslate check whether the values passed in make the matrix identity before setting the typemask.

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git-svn-id: http://skia.googlecode.com/svn/trunk@717 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
bsalomon@google.com 2011-01-20 14:13:13 +00:00
parent 3d8de049f5
commit 70915f0210
1 changed files with 3 additions and 3 deletions
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6
gpu/src/GrMatrix.cpp
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@ -90,21 +90,21 @@ void GrMatrix::setTranslate(GrScalar dx, GrScalar dy) {
fM[0] = GR_Scalar1; fM[1] = 0; fM[2] = dx;
fM[3] = 0; fM[4] = GR_Scalar1; fM[5] = dy;
fM[6] = 0; fM[7] = 0; fM[8] = gRESCALE;
fTypeMask = kTranslate_TypeBit;
fTypeMask = (0 != dx || 0 != dy) ? kTranslate_TypeBit : 0;
}
void GrMatrix::setScale(GrScalar sx, GrScalar sy) {
fM[0] = sx; fM[1] = 0; fM[2] = 0;
fM[3] = 0; fM[4] = sy; fM[5] = 0;
fM[6] = 0; fM[7] = 0; fM[8] = gRESCALE;
fTypeMask = kScale_TypeBit;
fTypeMask = (GR_Scalar1 != sx || GR_Scalar1 != sy) ? kScale_TypeBit : 0;
}
void GrMatrix::setSkew(GrScalar skx, GrScalar sky) {
fM[0] = GR_Scalar1; fM[1] = skx; fM[2] = 0;
fM[3] = sky; fM[4] = GR_Scalar1; fM[5] = 0;
fM[6] = 0; fM[7] = 0; fM[8] = gRESCALE;
fTypeMask = kSkew_TypeBit;
fTypeMask = (0 != skx || 0 != sky) ? kSkew_TypeBit : 0;
}
void GrMatrix::setConcat(const GrMatrix& a, const GrMatrix& b) {