| // Copyright 2012 The Chromium Authors |
| // 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 <CoreGraphics/CoreGraphics.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "base/mac/scoped_cftyperef.h" |
| #include "printing/metafile.h" |
| #include "ui/gfx/geometry/rect.h" |
| |
| namespace printing { |
| |
| bool Image::LoadMetafile(const Metafile& metafile) { |
| // Load only the first page of `metafile`, just like Windows. |
| 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_t); |
| 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()); |
| |
| return metafile.RenderPage(page_number, bitmap_context, rect.ToCGRect(), |
| /*autorotate=*/false, /*fit_to_page=*/true); |
| } |
| |
| } // namespace printing |