Added support for vector printing for Pepper v1 plugins for Linux....

printing/pdf_ps_metafile_cairo.h

 // Copyright (c) 2010 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.
 
 #ifndef PRINTING_PDF_PS_METAFILE_CAIRO_H_
 #define PRINTING_PDF_PS_METAFILE_CAIRO_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 30 matching lines @@
   // Note: Only call in the renderer to allocate rendering resources.
   bool Init();
 
   // Initializes a copy of metafile from PDF/PS stream data.
   // Returns true on success.
   // |src_buffer| should point to the shared memory which stores PDF/PS
   // contents generated in the renderer.
   // Note: Only call in the browser to initialize |data_|.
   bool Init(const void* src_buffer, uint32 src_buffer_size);
 
+  // Sets raw PS/PDF data for the document. This is used when a cairo drawing
+  // surface has already been created. This method will cause all subsequent
+  // drawing on the surface to be discarded (in Close()). If Init() has not yet
+  // been called this method simply calls the second version of Init.
+  bool SetRawData(const void* src_buffer, uint32 src_buffer_size);
+
   FileFormat GetFileFormat() const { return format_; }
 
   // Prepares a new cairo surface/context for rendering a new page.
   // The unit is in point (=1/72 in).
   // Returns NULL when failed.
   cairo_t* StartPage(double width_in_points,
                      double height_in_points,
                      double margin_top_in_points,
                      double margin_right_in_points,
                      double margin_bottom_in_points,
@@ skipping 21 matching lines @@
   // This function should ONLY be called after PDF/PS file is closed.
   bool SaveTo(const base::FileDescriptor& fd) const;
 
   // The hardcoded margins, in points. These values are based on 72 dpi,
   // with 0.25 margins on top, left, and right, and 0.56 on bottom.
   static const double kTopMarginInInch;
   static const double kRightMarginInInch;
   static const double kBottomMarginInInch;
   static const double kLeftMarginInInch;
 
+  // Returns the PdfPsMetafile object that owns the given context. Returns NULL
+  // if the context was not created by a PdfPdMetafile object.
+  static PdfPsMetafile* FromCairoContext(cairo_t* context);
+
  private:
   // Cleans up all resources.
   void CleanUpAll();
 
   FileFormat format_;
 
   // Cairo surface and context for entire PDF/PS file.
   cairo_surface_t* surface_;
   cairo_t* context_;
 
   // Buffer stores PDF/PS contents for entire PDF/PS file.
   std::string data_;
+  // Buffer stores raw PDF/PS contents set by SetRawPageData.
+  std::string raw_override_data_;
 
   DISALLOW_COPY_AND_ASSIGN(PdfPsMetafile);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_PDF_PS_METAFILE_CAIRO_H_