Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "printing/image.h" |
| 6 | |
| 7 | #include <ApplicationServices/ApplicationServices.h> |
| 8 | |
| 9 | #include "base/mac/scoped_cftyperef.h" |
| 10 | #include "printing/metafile.h" |
| 11 | #include "ui/gfx/rect.h" |
| 12 | |
| 13 | namespace printing { |
| 14 | |
| 15 | bool Image::LoadMetafile(const Metafile& metafile) { |
| 16 | // The printing system uses single-page metafiles (page indexes are 1-based). |
| 17 | const unsigned int page_number = 1; |
| 18 | gfx::Rect rect(metafile.GetPageBounds(page_number)); |
| 19 | if (rect.width() < 1 || rect.height() < 1) |
| 20 | return false; |
| 21 | |
| 22 | size_ = rect.size(); |
| 23 | row_length_ = size_.width() * sizeof(uint32); |
| 24 | size_t bytes = row_length_ * size_.height(); |
| 25 | DCHECK(bytes); |
| 26 | |
| 27 | data_.resize(bytes); |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 28 | base::ScopedCFTypeRef<CGColorSpaceRef> color_space( |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 29 | CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB)); |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 30 | base::ScopedCFTypeRef<CGContextRef> bitmap_context( |
| 31 | CGBitmapContextCreate(&*data_.begin(), |
| 32 | size_.width(), |
| 33 | size_.height(), |
| 34 | 8, |
| 35 | row_length_, |
| 36 | color_space, |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 37 | kCGImageAlphaPremultipliedLast)); |
| 38 | DCHECK(bitmap_context.get()); |
| 39 | |
| 40 | struct Metafile::MacRenderPageParams params; |
| 41 | params.shrink_to_fit = true; |
| 42 | metafile.RenderPage(page_number, bitmap_context, |
| 43 | CGRectMake(0, 0, size_.width(), size_.height()), params); |
| 44 | |
| 45 | return true; |
| 46 | } |
| 47 | |
| 48 | } // namespace printing |