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-rw-r--r--khtml/rendering/render_canvas.h250
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diff --git a/khtml/rendering/render_canvas.h b/khtml/rendering/render_canvas.h
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--- a/khtml/rendering/render_canvas.h
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-/*
- * This file is part of the HTML widget for KDE.
- *
- * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
- * (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
- *
- * 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 render_canvas_h
-#define render_canvas_h
-
-#include "render_block.h"
-
-class KHTMLView;
-class TQScrollView;
-
-namespace khtml {
-
-class RenderPage;
-class RenderStyle;
-
-enum CanvasMode {
- CanvasViewPort, // Paints inside a viewport
- CanvasPage, // Paints one page
- CanvasDocument // Paints the whole document
-};
-
-class RenderCanvas : public RenderBlock
-{
-public:
- RenderCanvas(DOM::NodeImpl* node, KHTMLView *view);
- ~RenderCanvas();
-
- virtual const char *renderName() const { return "RenderCanvas"; }
-
- virtual bool isCanvas() const { return true; }
-
- virtual void setStyle(RenderStyle *style);
- virtual void layout();
- virtual void calcWidth();
- virtual void calcHeight();
- virtual void calcMinMaxWidth();
- virtual bool absolutePosition(int &xPos, int&yPos, bool f = false) const;
-
- int docHeight() const;
- int docWidth() const;
-
- KHTMLView *view() const { return m_view; }
-
- virtual void repaint(Priority p=NormalPriority);
- virtual void repaintRectangle(int x, int y, int w, int h, Priority p=NormalPriority, bool f=false);
- void repaintViewRectangle(int x, int y, int w, int h, bool asap=false);
- bool needsFullRepaint() const;
- void deferredRepaint( RenderObject* o );
- void scheduleDeferredRepaints();
-
- virtual void paint(PaintInfo&, int tx, int ty);
- virtual void paintBoxDecorations(PaintInfo& paintInfo, int _tx, int _ty);
- virtual void setSelection(RenderObject *s, int sp, RenderObject *e, int ep);
- virtual void clearSelection(bool doRepaint=true);
- virtual RenderObject *selectionStart() const { return m_selectionStart; }
- virtual RenderObject *selectionEnd() const { return m_selectionEnd; }
-
- void setPrintImages(bool enable) { m_printImages = enable; }
- bool printImages() const { return m_printImages; }
-
- void setCanvasMode(CanvasMode mode) { m_canvasMode = mode; }
- CanvasMode canvasMode() const { return m_canvasMode; }
-
- void setPagedMode(bool b) { m_pagedMode = b; }
- void setStaticMode(bool b) { m_staticMode = b; }
-
- bool pagedMode() const { return m_pagedMode; }
- bool staticMode() const { return m_staticMode; }
-
- void setPageTop(int top) {
- m_pageTop = top;
-// m_y = top;
- }
- void setPageBottom(int bottom) { m_pageBottom = bottom; }
- int pageTop() const { return m_pageTop; }
- int pageBottom() const { return m_pageBottom; }
-
- int pageTopAfter(int y) const {
- if (pageHeight() == 0) return 0;
- return (y / pageHeight() + 1) * pageHeight() ;
- }
-
- int crossesPageBreak(int top, int bottom) const {
- if (pageHeight() == 0) return false;
- int pT = top / pageHeight();
- // bottom is actually the first line not in the box
- int pB = (bottom-1) / pageHeight();
- return (pT == pB) ? 0 : (pB + 1);
- }
-
- void setPageNumber(int number) { m_pageNr = number; }
- int pageNumber() const { return m_pageNr; }
-
-public:
- virtual void setWidth( int width ) { m_rootWidth = m_width = width; }
- virtual void setHeight( int height ) { m_rootHeight = m_height = height; }
-
-// void setPageHeight( int height ) { m_viewportHeight = m_pageHeight = height; }
- int pageHeight() const { return m_pageBottom - m_pageTop; }
-
- int viewportWidth() const { return m_viewportWidth; }
- int viewportHeight() const { return m_viewportHeight; }
-
- RenderPage* page();
-
- TQRect selectionRect() const;
-
- void setMaximalOutlineSize(int o) { m_maximalOutlineSize = o; }
- int maximalOutlineSize() const { return m_maximalOutlineSize; }
-
- void setNeedsWidgetMasks( bool b=true) { m_needsWidgetMasks = b; }
- bool needsWidgetMasks() const { return m_needsWidgetMasks; }
-
- void updateDocSizeAfterLayerTranslation( RenderObject* o, bool posXOffset, bool posYOffset );
-protected:
- // makes sure document, scrollbars and viewport size are accurate
- void updateDocumentSize();
-
- // internal setters for cached values of document width/height
- // Setting to -1/-1 invalidates the cache.
- void setCachedDocWidth(int w ) { m_cachedDocWidth = w; }
- void setCachedDocHeight(int h) { m_cachedDocHeight = h; }
-
- virtual void selectionStartEnd(int& spos, int& epos);
-
- virtual TQRect viewRect() const;
-
- KHTMLView *m_view;
-
- RenderObject* m_selectionStart;
- RenderObject* m_selectionEnd;
- int m_selectionStartPos;
- int m_selectionEndPos;
-
- CanvasMode m_canvasMode;
-
- int m_rootWidth;
- int m_rootHeight;
-
- int m_viewportWidth;
- int m_viewportHeight;
-
- int m_cachedDocWidth;
- int m_cachedDocHeight;
-
- bool m_printImages;
- bool m_needsFullRepaint;
-
- // Canvas is not interactive
- bool m_staticMode;
- // Canvas is paged
- bool m_pagedMode;
- // Canvas contains overlaid widgets
- bool m_needsWidgetMasks;
-
- short m_pageNr;
-
- int m_pageTop;
- int m_pageBottom;
-
- RenderPage* m_page;
-
- int m_maximalOutlineSize; // Used to apply a fudge factor to dirty-rect checks on blocks/tables.
- TQValueList<RenderObject*> m_dirtyChildren;
-};
-
-inline RenderCanvas* RenderObject::canvas() const
-{
- return static_cast<RenderCanvas*>(document()->renderer());
-}
-
-// Represents the page-context of CSS
-class RenderPage
-{
-public:
- RenderPage(RenderCanvas* canvas) : m_canvas(canvas),
- m_marginTop(0), m_marginBottom(0),
- m_marginLeft(0), m_marginRight(0),
- m_pageWidth(0), m_pageHeight(0),
- m_fixedSize(false)
- {
- m_style = new RenderPageStyle();
- }
- virtual ~RenderPage()
- {
- delete m_style;
- }
-
- int marginTop() const { return m_marginTop; }
- int marginBottom() const { return m_marginBottom; }
- int marginLeft() const { return m_marginLeft; }
- int marginRight() const { return m_marginRight; }
-
- void setMarginTop(int margin) { m_marginTop = margin; }
- void setMarginBottom(int margin) { m_marginBottom = margin; }
- void setMarginLeft(int margin) { m_marginLeft = margin; }
- void setMarginRight(int margin) { m_marginRight = margin; }
-
- int pageWidth() const { return m_pageWidth; }
- int pageHeight() const { return m_pageHeight; }
-
- void setPageSize(int width, int height) {
- m_pageWidth = width;
- m_pageHeight = height;
- }
-
- // Returns true if size was set by document, false if set by user-agent
- bool fixedSize() const { return m_fixedSize; }
- void setFixedSize(bool b) { m_fixedSize = b; }
-
- RenderPageStyle* style() { return m_style; }
- const RenderPageStyle* style() const { return m_style; }
-
-protected:
- RenderCanvas* m_canvas;
- RenderPageStyle* m_style;
-
- int m_marginTop;
- int m_marginBottom;
- int m_marginLeft;
- int m_marginRight;
-
- int m_pageWidth;
- int m_pageHeight;
-
- bool m_fixedSize;
-};
-
-}
-#endif
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