add src-rect-constraint to drawImageRect

src/core/SkPicturePlayback.cpp

Index: src/core/SkPicturePlayback.cpp
diff --git a/src/core/SkPicturePlayback.cpp b/src/core/SkPicturePlayback.cpp
index 1cf1a1bfb4726c15fe35edec2aec903bc0a09d9d..9095731cc6736a35c8fafd32161b0764396d4e35 100644
--- a/src/core/SkPicturePlayback.cpp
+++ b/src/core/SkPicturePlayback.cpp
@@ -249,12 +249,19 @@ void SkPicturePlayback::handleOp(SkReader32* reader,
             const SkRect& dst = reader->skipT<SkRect>();
             canvas->drawImageNine(image, center, dst, paint);
         } break;
+        case DRAW_IMAGE_RECT_STRICT:
         case DRAW_IMAGE_RECT: {
             const SkPaint* paint = fPictureData->getPaint(reader);
             const SkImage* image = fPictureData->getImage(reader);
             const SkRect* src = get_rect_ptr(reader);   // may be null
             const SkRect& dst = reader->skipT<SkRect>();     // required
-            canvas->drawImageRect(image, src, dst, paint);
+            // DRAW_IMAGE_RECT_STRICT assumes this constraint, and doesn't store it
+            SkCanvas::SrcRectConstraint constraint = SkCanvas::kStrict_SrcRectConstraint;
+            if (DRAW_IMAGE_RECT == op) {
+                // newer op-code stores the constraint explicitly
+                constraint = (SkCanvas::SrcRectConstraint)reader->readInt();
+            }
+            canvas->drawImageRect(image, src, dst, paint, constraint);
         } break;
         case DRAW_OVAL: {
             const SkPaint& paint = *fPictureData->getPaint(reader);