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| author |  vollick@chromium.org <vollick@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2012-11-14 21:33:55 +0000 |
|---|---|---|
| committer | vollick@chromium.org <vollick@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2012-11-14 21:33:55 +0000 |
| commit | 9b21c25e742d6a8b69bee8b049e79877f93b5936 (patch) | |
| tree | 2bf4ad739aa9646c60bba74ff6e880b5d60add42 /src/utils | |
| parent | 57cff8dbdfb32b3fea426519a4fdc05f13be69d9 (diff) | |
Add SkMatrix44::setTranspose
It turned out that adding getDouble(...) and setDouble(...) made this change
easier, so I've included that in this cl as well.
Review URL: https://codereview.appspot.com/6845048
git-svn-id: http://skia.googlecode.com/svn/trunk@6424 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'src/utils')
| -rw-r--r-- | src/utils/SkMatrix44.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/utils/SkMatrix44.cpp b/src/utils/SkMatrix44.cpp index abef0b33bb..0e7ad167c2 100644 --- a/src/utils/SkMatrix44.cpp +++ b/src/utils/SkMatrix44.cpp @@ -323,6 +323,17 @@ bool SkMatrix44::invert(SkMatrix44* inverse) const { /////////////////////////////////////////////////////////////////////////////// +void SkMatrix44::transpose() { + SkTSwap(fMat[0][1], fMat[1][0]); + SkTSwap(fMat[0][2], fMat[2][0]); + SkTSwap(fMat[0][3], fMat[3][0]); + SkTSwap(fMat[1][2], fMat[2][1]); + SkTSwap(fMat[1][3], fMat[3][1]); + SkTSwap(fMat[2][3], fMat[3][2]); +} + +/////////////////////////////////////////////////////////////////////////////// + void SkMatrix44::mapScalars(const SkScalar src[4], SkScalar dst[4]) const { SkScalar result[4]; for (int i = 0; i < 4; i++) { |