Index: ui/gfx/codec/install_skia_codec.cc |
diff --git a/ui/gfx/codec/install_skia_codec.cc b/ui/gfx/codec/install_skia_codec.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..2b884a8a47bc4152d7564af68baf5e62826ada93 |
--- /dev/null |
+++ b/ui/gfx/codec/install_skia_codec.cc |
@@ -0,0 +1,58 @@ |
+// Copyright (c) 2016 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. |
+ |
+#include "ui/gfx/codec/install_skia_codec.h" |
+ |
+#include "base/synchronization/lock.h" |
+#include "skia/ext/skia_encode_image.h" |
+#include "third_party/skia/include/core/SkBitmap.h" |
+#include "third_party/skia/include/core/SkEncodedImageFormat.h" |
+#include "third_party/skia/include/core/SkStream.h" |
+#include "ui/gfx/codec/jpeg_codec.h" |
+#include "ui/gfx/codec/png_codec.h" |
+#include "ui/gfx/geometry/size.h" |
+ |
+static bool Encode(SkWStream* dst, |
+ const SkPixmap& pixmap, |
+ SkEncodedImageFormat format, |
+ int quality) { |
+ if (kN32_SkColorType != pixmap.colorType() || |
+ (kPremul_SkAlphaType != pixmap.alphaType() && |
+ kOpaque_SkAlphaType != pixmap.alphaType())) { |
+ return false; |
+ } |
+ std::vector<unsigned char> buffer; |
+ switch (format) { |
+ case SkEncodedImageFormat::kPNG: |
+ return gfx::PNGCodec::Encode( |
+ reinterpret_cast<const unsigned char*>(pixmap.addr()), |
+ gfx::PNGCodec::FORMAT_SkBitmap, |
+ gfx::Size(pixmap.width(), pixmap.height()), |
+ static_cast<int>(pixmap.rowBytes()), false, |
+ std::vector<gfx::PNGCodec::Comment>(), &buffer) && |
+ !buffer.empty() && |
+ dst->write(&buffer[0], buffer.size()); |
+ case SkEncodedImageFormat::kJPEG: |
+ return gfx::JPEGCodec::Encode( |
+ reinterpret_cast<const unsigned char*>(pixmap.addr()), |
+ gfx::JPEGCodec::FORMAT_SkBitmap, pixmap.width(), |
+ pixmap.height(), static_cast<int>(pixmap.rowBytes()), quality, |
+ &buffer) && |
+ !buffer.empty() && |
+ dst->write(&buffer[0], buffer.size()); |
+ default: |
+ return false; |
+ } |
+} |
+ |
+void gfx::InstallCodecsIntoSkia() { |
+ // FIXME: What is the chromium version of SkOnce? |
+ static base::Lock lock; |
dcheng
2016/12/01 06:22:38
Unfortunately, this doesn't work.
Our lock implem
hal.canary
2016/12/20 16:51:13
Okay. I have removed this for now.
|
+ static bool g_done = false; |
+ base::AutoLock autoLock(lock); |
+ if (!g_done) { |
+ skia::SetImageEncoder(&Encode); |
+ g_done = true; |
+ } |
+} |