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Unified Diff: ui/gfx/image/mojo/image_skia.mojom

Issue 2770693002: ash: HiDPI user avatar for SessionController (Closed)
Patch Set: rebase, use shared buffer, add tests Created 3 years, 9 months ago
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Index: ui/gfx/image/mojo/image_skia.mojom
diff --git a/ui/gfx/image/mojo/image_skia.mojom b/ui/gfx/image/mojo/image_skia.mojom
new file mode 100644
index 0000000000000000000000000000000000000000..c7e0f540be41e73c97894276903f33b5c0a76121
--- /dev/null
+++ b/ui/gfx/image/mojo/image_skia.mojom
@@ -0,0 +1,24 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+module gfx.mojom;
+
+// Mojo transport for ImageSkiaRep via shared buffer.
+struct ImageSkiaRep {
+ // Shared buffer handle to holds a serialized SkBitmap.
+ handle<shared_buffer> shared_buffer_handle;
+
+ // Byte size of the shared buffer.
+ uint32 buffer_byte_size;
Tom Sepez 2017/03/23 18:11:39 Could it be bigger than this on 64bit platforms? D
xiyuan 2017/03/23 18:30:41 Maybe in the future. For now, I don't think we use
xiyuan 2017/03/23 19:45:23 Changed uint32 -> uint64 and added a DCHECK for hu
+
+ // Corresponding scale of the bitmap.
+ float scale;
Tom Sepez 2017/03/23 18:11:39 Can this be zero or negative?
xiyuan 2017/03/23 18:30:41 It should never be <= 0. I could add DCHECK in tra
xiyuan 2017/03/23 19:45:23 Actually, the scale can be 0 for an unscaled Image
+};
+
+// Mojo transport for existing representations of an ImageSkia via shared
+// buffer. Note it is caller's responsibility to ensure the ImageSkia contains
+// all needed representations.
+struct ImageSkia {
+ array<ImageSkiaRep> image_reps;
+};
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