guard old apis for querying byte-size of a bitmap/imageinfo/pixmap

Now with legacy behavior for allocpixels

This was reverted, so the current CL is a "fix" on top of ...
https://skia-review.googlesource.com/c/skia/+/50980

Related update to Chrome (in preparation for this change)
https://chromium-review.googlesource.com/c/chromium/src/+/685719

Bug: skia:
Change-Id: I4b370ee7e95083ab27421f008132219c9c7b86e9
Reviewed-on: https://skia-review.googlesource.com/51341
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Mike Reed <reed@google.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/image/SkImage.cpp b/src/image/SkImage.cpp
index 3ac8ba80ca..705efaec30 100644
--- a/src/image/SkImage.cpp
+++ b/src/image/SkImage.cpp
@@ -422,7 +422,10 @@ sk_sp<SkImage> SkImageMakeRasterCopyAndAssignColorSpace(const SkImage* src,
     }
 
     size_t rowBytes = info.minRowBytes();
-    size_t size = info.getSafeSize(rowBytes);
+    size_t size = info.computeByteSize(rowBytes);
+    if (size == 0) {
+        return nullptr;
+    }
     auto data = SkData::MakeUninitialized(size);
     if (!data) {
         return nullptr;