Set bounds correctly for color emoji that need post-cache transfoms

We need to handle the bounds for transformed color emoji the same
way we handle the bounds for distance field text. Without this
bounds correction, the glyphs were being clipped out.

Also adds a sample to test this case.

Bug: 848616
Change-Id: I39dedbe2fd19331ad67978c95519f5c9d46f59fc
Reviewed-on: https://skia-review.googlesource.com/131523
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Auto-Submit: Jim Van Verth <jvanverth@google.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/gm/3dgm.cpp b/gm/3dgm.cpp
index 93c6f92281..8014c246d3 100644
--- a/gm/3dgm.cpp
+++ b/gm/3dgm.cpp
@@ -173,6 +173,9 @@ protected:
     SkString onShortName() override { return SkString("3dgm"); }
 
     bool onAnimate(const SkAnimTimer& timer) override {
+        if (!fAnim) {
+            return false;
+        }
         SkScalar dur = fAnim->duration();
         fAnimT = fmod(timer.secs(), dur) / dur;
         return true;