diff options
| -rw-r--r-- | include/core/SkCanvas.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/core/SkCanvas.h b/include/core/SkCanvas.h index ef2f0b98f4..4cd7adbf04 100644 --- a/include/core/SkCanvas.h +++ b/include/core/SkCanvas.h @@ -488,6 +488,20 @@ public: */ bool quickRejectY(SkScalar top, SkScalar bottom) const { SkASSERT(top <= bottom); + +#ifndef SK_WILL_NEVER_DRAW_PERSPECTIVE_TEXT + // TODO: add a hasPerspective method similar to getLocalClipBounds. This + // would cache the SkMatrix::hasPerspective result. Alternatively, have + // the MC stack just set a hasPerspective boolean as it is updated. + if (this->getTotalMatrix().hasPerspective()) { + // TODO: consider implementing some half-plane test between the + // two Y planes and the device-bounds (i.e., project the top and + // bottom Y planes and then determine if the clip bounds is completely + // outside either one). + return false; + } +#endif + const SkRect& clipR = this->getLocalClipBounds(); // In the case where the clip is empty and we are provided with a // negative top and positive bottom parameter then this test will return |