image_mac.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "printing/image.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <ApplicationServices/ApplicationServices.h> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/mac/scoped_cftyperef.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "printing/metafile.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/rect.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace printing { 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool Image::LoadMetafile(const Metafile& metafile) { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The printing system uses single-page metafiles (page indexes are 1-based). 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const unsigned int page_number = 1; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect rect(metafile.GetPageBounds(page_number)); 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (rect.width() < 1 || rect.height() < 1) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_ = rect.size(); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) row_length_ = size_.width() * sizeof(uint32); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t bytes = row_length_ * size_.height(); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(bytes); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data_.resize(bytes); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::mac::ScopedCFTypeRef<CGColorSpaceRef> color_space( 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB)); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::mac::ScopedCFTypeRef<CGContextRef> bitmap_context( 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CGBitmapContextCreate(&*data_.begin(), size_.width(), size_.height(), 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8, row_length_, color_space, 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kCGImageAlphaPremultipliedLast)); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(bitmap_context.get()); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct Metafile::MacRenderPageParams params; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.shrink_to_fit = true; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) metafile.RenderPage(page_number, bitmap_context, 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CGRectMake(0, 0, size_.width(), size_.height()), params); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace printing 45