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// 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.
#include "printing/image.h"
#include <ApplicationServices/ApplicationServices.h>
#include "base/mac/scoped_cftyperef.h"
#include "printing/metafile.h"
#include "ui/gfx/rect.h"
namespace printing {
bool Image::LoadMetafile(const Metafile& 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::ScopedCFTypeRef<CGColorSpaceRef> color_space(
CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB));
base::ScopedCFTypeRef<CGContextRef> bitmap_context(
CGBitmapContextCreate(&*data_.begin(),
size_.width(),
size_.height(),
8,
row_length_,
color_space,
kCGImageAlphaPremultipliedLast));
DCHECK(bitmap_context.get());
struct Metafile::MacRenderPageParams params;
params.shrink_to_fit = true;
metafile.RenderPage(page_number, bitmap_context,
CGRectMake(0, 0, size_.width(), size_.height()), params);
return true;
}
} // namespace printing
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