diff -r 000000000000 -r 4f2f89ce4247 WebCore/page/PrintContext.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/page/PrintContext.h Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,80 @@ +/* + * Copyright (C) 2007 Alp Toker + * Copyright (C) 2007 Apple Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef PrintContext_h +#define PrintContext_h + +#include + +namespace WebCore { + +class Element; +class Frame; +class FloatRect; +class FloatSize; +class GraphicsContext; +class IntRect; +class String; + +class PrintContext { +public: + PrintContext(Frame*); + ~PrintContext(); + + int pageCount() const; + const IntRect& pageRect(int pageNumber) const; + const Vector& pageRects() const { return m_pageRects; } + + void computePageRects(const FloatRect& printRect, float headerHeight, float footerHeight, float userScaleFactor, float& outPageHeight); + void computePageRectsWithPageSize(const FloatSize& pageSizeInPixels, bool allowHorizontalMultiPages); + + // TODO: eliminate width param + void begin(float width); + + // TODO: eliminate width param + void spoolPage(GraphicsContext& ctx, int pageNumber, float width); + + void end(); + + // Used by layout tests. + static int pageNumberForElement(Element*, const FloatSize& pageSizeInPixels); + static String pageProperty(Frame* frame, const char* propertyName, int pageNumber); + static bool isPageBoxVisible(Frame* frame, int pageNumber); + static String pageSizeAndMarginsInPixels(Frame* frame, int pageNumber, int width, int height, int marginTop, int marginRight, int marginBottom, int marginLeft); + static int numberOfPages(Frame*, const FloatSize& pageSizeInPixels); + // Draw all pages into a graphics context with lines which mean page boundaries. + // The height of the graphics context should be + // (pageSizeInPixels.height() + 1) * number-of-pages - 1 + static void spoolAllPagesWithBoundaries(Frame*, GraphicsContext&, const FloatSize& pageSizeInPixels); + +protected: + Frame* m_frame; + Vector m_pageRects; + +private: + void computePageRectsWithPageSizeInternal(const FloatSize& pageSizeInPixels, bool allowHorizontalMultiPages); + + // Used to prevent misuses of begin() and end() (e.g., call end without begin). + bool m_isPrinting; +}; + +} + +#endif