| // Copyright (c) 2011 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. |
| |
| #ifndef PRINTING_PRINTED_PAGE_H_ |
| #define PRINTING_PRINTED_PAGE_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "printing/metafile.h" |
| #include "ui/gfx/rect.h" |
| #include "ui/gfx/size.h" |
| |
| namespace printing { |
| |
| // Contains the data to reproduce a printed page, either on screen or on |
| // paper. Once created, this object is immutable. It has no reference to the |
| // PrintedDocument containing this page. |
| // Note: May be accessed from many threads at the same time. This is an non |
| // issue since this object is immutable. The reason is that a page may be |
| // printed and be displayed at the same time. |
| class PRINTING_EXPORT PrintedPage |
| : public base::RefCountedThreadSafe<PrintedPage> { |
| public: |
| PrintedPage(int page_number, |
| scoped_ptr<MetafilePlayer> metafile, |
| const gfx::Size& page_size, |
| const gfx::Rect& page_content_rect); |
| |
| // Getters |
| int page_number() const { return page_number_; } |
| const MetafilePlayer* metafile() const; |
| const gfx::Size& page_size() const { return page_size_; } |
| const gfx::Rect& page_content_rect() const { return page_content_rect_; } |
| #if defined(OS_WIN) |
| void set_shrink_factor(float shrink_factor) { |
| shrink_factor_ = shrink_factor; |
| } |
| float shrink_factor() const { return shrink_factor_; } |
| #endif // OS_WIN |
| |
| // Get page content rect adjusted based on |
| // http://dev.w3.org/csswg/css3-page/#positioning-page-box |
| void GetCenteredPageContentRect(const gfx::Size& paper_size, |
| gfx::Rect* content_rect) const; |
| |
| private: |
| friend class base::RefCountedThreadSafe<PrintedPage>; |
| |
| ~PrintedPage(); |
| |
| // Page number inside the printed document. |
| const int page_number_; |
| |
| // Actual paint data. |
| const scoped_ptr<MetafilePlayer> metafile_; |
| |
| #if defined(OS_WIN) |
| // Shrink done in comparison to desired_dpi. |
| float shrink_factor_; |
| #endif // OS_WIN |
| |
| // The physical page size. To support multiple page formats inside on print |
| // job. |
| const gfx::Size page_size_; |
| |
| // The printable area of the page. |
| const gfx::Rect page_content_rect_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PrintedPage); |
| }; |
| |
| } // namespace printing |
| |
| #endif // PRINTING_PRINTED_PAGE_H_ |