OpenBSD/FreeBSD GYP changes (most of the remaining ones)

printing/pdf_ps_metafile_linux.h

-// Copyright (c) 2009 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_LINUX_H_
-#define PRINTING_PDF_PS_METAFILE_LINUX_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-
-typedef struct _cairo_surface cairo_surface_t;
-typedef struct _cairo cairo_t;
-
-namespace base {
-class FileDescriptor;
-}
-
-class FilePath;
-
-namespace printing {
-
-// This class uses Cairo graphics library to generate PostScript/PDF stream
-// and stores rendering results in a string buffer.
-class PdfPsMetafile {
- public:
-  enum FileFormat {
-    PDF,
-    PS,
-  };
-
-  // In the renderer process, callers should also call Init(void) to see if the
-  // metafile can obtain all necessary rendering resources.
-  // In the browser process, callers should also call Init(const void*, size_t)
-  // to initialize the buffer |all_pages_| to use SaveTo().
-  explicit PdfPsMetafile(const FileFormat& format);
-
-  ~PdfPsMetafile();
-
-  // Initializes to a fresh new metafile. Returns true on success.
-  // 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 |all_pages_|.
-  bool Init(const void* src_buffer, size_t 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, double height);
-
-  // Destroys the surface and the context used in rendering current page.
-  // The results of current page will be appended into buffer |all_pages_|.
-  // Returns true on success
-  // TODO(myhuang): I plan to also do page setup here (margins, the header
-  // and the footer). At this moment, only pre-defined margins for US letter
-  // paper are hard-coded here.
-  // |shrink| decides the scaling factor to fit raw printing results into
-  // printable area.
-  bool FinishPage(float shrink);
-
-  // Closes resulting PDF/PS file. No further rendering is allowed.
-  void Close();
-
-  // Returns size of PDF/PS contents stored in buffer |all_pages_|.
-  // This function should ONLY be called after PDF/PS file is closed.
-  unsigned int GetDataSize() const;
-
-  // Copies PDF/PS contents stored in buffer |all_pages_| into |dst_buffer|.
-  // This function should ONLY be called after PDF/PS file is closed.
-  // Returns true only when success.
-  bool GetData(void* dst_buffer, size_t dst_buffer_size) const;
-
-  // Saves PDF/PS contents stored in buffer |all_pages_| into the file
-  // associated with |fd|.
-  // This function should ONLY be called after PDF/PS file is closed.
-  bool SaveTo(const base::FileDescriptor& fd) const;
-
- 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_;
-
-  // Cairo surface and context for current page only.
-  cairo_surface_t* page_surface_;
-  cairo_t* page_context_;
-
-  // Buffer stores PDF/PS contents for entire PDF/PS file.
-  std::string all_pages_;
-
-  // Buffer stores PDF/PS contents for current page only.
-  std::string current_page_;
-
-  DISALLOW_COPY_AND_ASSIGN(PdfPsMetafile);
-};
-
-}  // namespace printing
-
-#endif  // PRINTING_PDF_PS_METAFILE_LINUX_H_