Printing: Split off Win/Mac implementations of the Image class into their own

files.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/3966002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@63316 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 42 insertions, 0 deletions

diff --git a/printing/image_mac.cc b/printing/image_mac.cc
new file mode 100644
index 0000000..8b3d638
--- /dev/null
+++ b/printing/image_mac.cc
@@ -0,0 +1,42 @@
+// 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.
+
+#include "printing/image.h"
+
+#include <ApplicationServices/ApplicationServices.h>
+
+#include "base/mac/scoped_cftyperef.h"
+#include "gfx/rect.h"
+
+namespace printing {
+
+bool Image::LoadMetafile(const NativeMetafile& metafile) {
+  // The printing system uses single-page metafiles (page indexes are 1-based).
+  const unsigned int page_number = 1;
+  gfx::Rect rect(metafile.GetPageBounds(page_number));
+  if (rect.width() < 1 || rect.height() < 1)
+    return false;
+
+  size_ = rect.size();
+  row_length_ = size_.width() * sizeof(uint32);
+  size_t bytes = row_length_ * size_.height();
+  DCHECK(bytes);
+
+  data_.resize(bytes);
+  base::mac::ScopedCFTypeRef<CGColorSpaceRef> color_space(
+      CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB));
+  base::mac::ScopedCFTypeRef<CGContextRef> bitmap_context(
+      CGBitmapContextCreate(&*data_.begin(), size_.width(), size_.height(),
+                            8, row_length_, color_space,
+                            kCGImageAlphaPremultipliedLast));
+  DCHECK(bitmap_context.get());
+
+  metafile.RenderPage(page_number, bitmap_context,
+                      CGRectMake(0, 0, size_.width(), size_.height()),
+                      true, false, false, false);
+
+  return true;
+}
+
+}  // namespace printing