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 15 void Importer::Cancel() { 16 cancelled_ = true; 17 } 18 19 Importer::Importer() 20 : import_to_bookmark_bar_(false), 21 bookmark_bar_disabled_(false), 22 cancelled_(false) { 23 } 24 25 Importer::~Importer() { 26 } 27 28 // static 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
