src/3rdparty/webkit/WebCore/page/PrintContext.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 06 Jul 2010 15:10:48 +0300
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/*
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 * Copyright (C) 2007 Alp Toker <alp@atoker.com>
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 * Copyright (C) 2007 Apple Inc.
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Library General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Library General Public License for more details.
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 *
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 * You should have received a copy of the GNU Library General Public License
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 * along with this library; see the file COPYING.LIB.  If not, write to
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 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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 * Boston, MA 02110-1301, USA.
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 */
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#ifndef PrintContext_h
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#define PrintContext_h
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#include <wtf/Vector.h>
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namespace WebCore {
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class Element;
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class Frame;
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class FloatRect;
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class FloatSize;
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class GraphicsContext;
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class IntRect;
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class PrintContext {
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public:
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    PrintContext(Frame*);
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    ~PrintContext();
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    int pageCount() const;
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    const IntRect& pageRect(int pageNumber) const;
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    const Vector<IntRect>& pageRects() const { return m_pageRects; }
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    void computePageRects(const FloatRect& printRect, float headerHeight, float footerHeight, float userScaleFactor, float& outPageHeight);
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    // TODO: eliminate width param
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    void begin(float width);
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    // TODO: eliminate width param
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    void spoolPage(GraphicsContext& ctx, int pageNumber, float width);
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    void end();
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    // Used by layout tests.
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    static int pageNumberForElement(Element*, const FloatSize& pageSizeInPixels);
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    static int numberOfPages(Frame*, const FloatSize& pageSizeInPixels);
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protected:
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    void computePageRectsWithPageSize(const FloatSize& pageSizeInPixels, float userScaleFactor);
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    Frame* m_frame;
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    Vector<IntRect> m_pageRects;
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};
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}
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#endif