Mac printing: Autorotate printed pages so their orientation is the same as the destination page.

printing/metafile.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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_METAFILE_H_
 #define PRINTING_METAFILE_H_
 
 #include "base/basictypes.h"
 #include "build/build_config.h"
 #include "printing/printing_export.h"
 #include "ui/gfx/native_widget_types.h"
@@ skipping 111 matching lines @@
   // If this is false, parts of the PDF page that lie outside the bounds will be
   // clipped.
   // |stretch_to_fit| specifies whether the output should be stretched to fit
   // the supplied bounds if the page size is smaller than |rect| in all
   // dimensions.
   // |center_horizontally| specifies whether the final image (after any scaling
   // is done) should be centered horizontally within the given |rect|.
   // |center_vertically| specifies whether the final image (after any scaling
   // is done) should be centered vertically within the given |rect|.
   // Note that all scaling preserves the original aspect ratio of the page.
+  // |autorotate| specifies whether the final image should be autorotated to
+  // fit on |rect|.
   virtual bool RenderPage(unsigned int page_number,
                           gfx::NativeDrawingContext context,
                           const CGRect rect,
                           bool shrink_to_fit,
                           bool stretch_to_fit,
                           bool center_horizontally,
-                          bool center_vertically) const = 0;
+                          bool center_vertically,
+                          bool autorotate) const = 0;

[kmadhusu, 2012/06/16 00:44:11]

Looks like we are adding more fit to page params to this function. Can you
create a struct with all these bool params as member variables?

[Lei Zhang, 2012/06/16 01:47:20]

Done.

 #elif defined(OS_CHROMEOS)
   // Saves the underlying data to the file associated with fd. This function
   // should ONLY be called after the metafile is closed.
   // Returns true if writing succeeded.
   virtual bool SaveToFD(const base::FileDescriptor& fd) const = 0;
 #endif  // if defined(OS_CHROMEOS)
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_METAFILE_H_