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      1 // Copyright 2013 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 #ifndef CHROME_UTILITY_CLOUD_PRINT_PWG_ENCODER_H_
      6 #define CHROME_UTILITY_CLOUD_PRINT_PWG_ENCODER_H_
      7 
      8 #include <string>
      9 
     10 #include "base/basictypes.h"
     11 
     12 namespace cloud_print {
     13 
     14 class BitmapImage;
     15 
     16 class PwgEncoder {
     17  public:
     18   PwgEncoder();
     19 
     20   void EncodeDocumentHeader(std::string *output) const;
     21   bool EncodePage(const BitmapImage& image, const uint32 dpi,
     22                   const uint32 total_pages, std::string* output) const;
     23 
     24  private:
     25   void EncodePageHeader(const BitmapImage& image, const uint32 dpi,
     26                         const uint32 total_pages, std::string* output) const;
     27   bool EncodeRowFrom32Bit(const uint8* row, const int width,
     28                           const int color_space, std::string* output) const;
     29   const uint8* GetRow(const BitmapImage& image, int row) const;
     30 };
     31 
     32 }  // namespace cloud_print
     33 
     34 #endif  // CHROME_UTILITY_CLOUD_PRINT_PWG_ENCODER_H_
     35