Index: chrome/utility/importer/favicon_reencode.cc |
diff --git a/chrome/utility/importer/favicon_reencode.cc b/chrome/utility/importer/favicon_reencode.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..37439370949dbd833c9d7932461962a838d8b544 |
--- /dev/null |
+++ b/chrome/utility/importer/favicon_reencode.cc |
@@ -0,0 +1,41 @@ |
+// Copyright 2013 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 "chrome/utility/importer/favicon_reencode.h" |
+ |
+#include "content/public/child/image_decoder_utils.h" |
+#include "skia/ext/image_operations.h" |
+#include "third_party/skia/include/core/SkBitmap.h" |
+#include "ui/gfx/codec/png_codec.h" |
+#include "ui/gfx/favicon_size.h" |
gab
2013/07/10 13:40:44
Need to add DEPS on ui/gfx and third_party/skia
|
+ |
+namespace importer { |
+ |
+bool ReencodeFavicon(const unsigned char* src_data, |
+ size_t src_len, |
+ std::vector<unsigned char>* png_data) { |
+ // Decode the favicon using WebKit's image decoder. |
+ SkBitmap decoded = content::DecodeImage( |
+ src_data, |
+ gfx::Size(gfx::kFaviconSize, gfx::kFaviconSize), |
+ src_len); |
+ if (decoded.empty()) |
+ return false; // Unable to decode. |
+ |
+ if (decoded.width() != gfx::kFaviconSize || |
+ decoded.height() != gfx::kFaviconSize) { |
+ // The bitmap is not the correct size, re-sample. |
+ int new_width = decoded.width(); |
+ int new_height = decoded.height(); |
+ gfx::CalculateFaviconTargetSize(&new_width, &new_height); |
+ decoded = skia::ImageOperations::Resize( |
+ decoded, skia::ImageOperations::RESIZE_LANCZOS3, new_width, new_height); |
+ } |
+ |
+ // Encode our bitmap as a PNG. |
+ gfx::PNGCodec::EncodeBGRASkBitmap(decoded, false, png_data); |
+ return true; |
+} |
+ |
+} // namespace importer |