| // 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 |