diff options
| author | bungeman <bungeman@google.com> | 2016-07-12 15:01:19 -0700 |
|---|---|---|
| committer | Commit bot <commit-bot@chromium.org> | 2016-07-12 15:01:19 -0700 |
| commit | 7438bfc0804d021aa92cdd5ea644994a4248f3db (patch) | |
| tree | 0b801d131d01d45e83160a6d0d877949590908de /samplecode/SampleApp.cpp | |
| parent | 2edf0c6a719b8dff4365628cf3b4481c5035f07a (diff) | |
Factor code to rotate a canvas about a point.
SkMatrix::scale and ::rotate take a point around which to scale or rotate.
Canvas lacks these helpers, so the code to rotate a canvas around a
point has been duplicated many times. Factor all of these
implementations into SkCanvas::rotate.
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2142033002
Review-Url: https://codereview.chromium.org/2142033002
Diffstat (limited to 'samplecode/SampleApp.cpp')
| -rw-r--r-- | samplecode/SampleApp.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp index ffa507bc17..7afaa96972 100644 --- a/samplecode/SampleApp.cpp +++ b/samplecode/SampleApp.cpp @@ -1372,9 +1372,7 @@ void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) { if (fRotate) { SkScalar cx = this->width() / 2; SkScalar cy = this->height() / 2; - canvas->translate(cx, cy); - canvas->rotate(gAnimTimer.scaled(10)); - canvas->translate(-cx, -cy); + canvas->rotate(gAnimTimer.scaled(10), cx, cy); } if (fPerspAnim) { |