--- /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 <alp@atoker.com>
+ * 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 <wtf/Vector.h>
+
+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<IntRect>& 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<IntRect> 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