Implement the basic OS-level printing mechanics on Mac

printing/printed_document_mac.cc

+// 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.
+
+#include "printing/printed_document.h"
+
+#import <ApplicationServices/ApplicationServices.h>
+#import <CoreFoundation/CoreFoundation.h>
+
+#include "base/logging.h"
+#include "base/scoped_cftyperef.h"
+#include "printing/page_number.h"
+#include "printing/printed_page.h"
+
+namespace printing {
+
+void PrintedDocument::RenderPrintedPage(
+    const PrintedPage& page, gfx::NativeDrawingContext context) const {
+#ifndef NDEBUG
+  {
+    // Make sure the page is from our list.
+    AutoLock lock(lock_);
+    DCHECK(&page == mutable_.pages_.find(page.page_number() - 1)->second.get());
+  }
+#endif
+
+  const printing::NativeMetafile* metafile = page.native_metafile();
+  unsigned int data_length = metafile->GetDataSize();
+  scoped_cftyperef<CFMutableDataRef> pdf_data(
+      CFDataCreateMutable(kCFAllocatorDefault, data_length));
+  CFDataIncreaseLength(pdf_data, data_length);
+  metafile->GetData(CFDataGetMutableBytePtr(pdf_data), data_length);
+  scoped_cftyperef<CGDataProviderRef> pdf_data_provider(
+      CGDataProviderCreateWithCFData(pdf_data));
+  scoped_cftyperef<CGPDFDocumentRef> pdf_doc(
+      CGPDFDocumentCreateWithProvider(pdf_data_provider));
+  if (!pdf_doc.get()) {
+    NOTREACHED() << "Unable to create PDF document from print data";
+    return;
+  }
+
+  const printing::PageSetup& page_setup(
+      immutable_.settings_.page_setup_pixels());
+  CGRect target_rect = page_setup.content_area().ToCGRect();
+
+  // Each NativeMetafile is a one-page PDF.
+  const int page_number = 1;
+  CGContextDrawPDFDocument(context, target_rect, pdf_doc, page_number);

[Mark Mentovai, 2009/10/13 21:13:24]

Deprecated.  The replacement is CGContextDrawPDFPage.

http://developer.apple.com/mac/library/DOCUMENTATION/GraphicsImaging/Referenc...

This causes errors with the 10.6 SDK:

.../src/printing/printed_document_mac.cc: In member function 'void
printing::PrintedDocument::RenderPrintedPage(const printing::PrintedPage&,
CGContext*) const':
.../src/printing/printed_document_mac.cc:48: warning: 'CGContextDrawPDFDocument'
is deprecated (declared at
/Developer/SDKs/MacOSX10.6.sdk/System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreGraphics.framework/Headers/CGContext.h:864)

+
+  // TODO(stuartmorgan): Print the header and footer.
+}
+
+}  // namespace printing