1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/browser/importer/importer.h"
6
7 #include "chrome/browser/importer/importer_bridge.h"
8 #include "chrome/browser/importer/importer_data_types.h"
9 #include "skia/ext/image_operations.h"
10 #include "third_party/skia/include/core/SkBitmap.h"
11 #include "ui/gfx/codec/png_codec.h"
12 #include "ui/gfx/favicon_size.h"
13 #include "webkit/glue/image_decoder.h"
14
Cancel()15 void Importer::Cancel() {
16 cancelled_ = true;
17 }
18
Importer()19 Importer::Importer()
20 : import_to_bookmark_bar_(false),
21 bookmark_bar_disabled_(false),
22 cancelled_(false) {
23 }
24
~Importer()25 Importer::~Importer() {
26 }
27
28 // static
ReencodeFavicon(const unsigned char * src_data,size_t src_len,std::vector<unsigned char> * png_data)29 bool Importer::ReencodeFavicon(const unsigned char* src_data,
30 size_t src_len,
31 std::vector<unsigned char>* png_data) {
32 // Decode the favicon using WebKit's image decoder.
33 webkit_glue::ImageDecoder decoder(gfx::Size(kFaviconSize, kFaviconSize));
34 SkBitmap decoded = decoder.Decode(src_data, src_len);
35 if (decoded.empty())
36 return false; // Unable to decode.
37
38 if (decoded.width() != kFaviconSize || decoded.height() != kFaviconSize) {
39 // The bitmap is not the correct size, re-sample.
40 int new_width = decoded.width();
41 int new_height = decoded.height();
42 calc_favicon_target_size(&new_width, &new_height);
43 decoded = skia::ImageOperations::Resize(
44 decoded, skia::ImageOperations::RESIZE_LANCZOS3, new_width, new_height);
45 }
46
47 // Encode our bitmap as a PNG.
48 gfx::PNGCodec::EncodeBGRASkBitmap(decoded, false, png_data);
49 return true;
50 }
51