1 /*

     2     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>

     3                   2004, 2005 Rob Buis <buis@kde.org>

     4 

     5     This file is part of the KDE project

     6 

     7     This library is free software; you can redistribute it and/or

     8     modify it under the terms of the GNU Library General Public

     9     License as published by the Free Software Foundation; either

    10     version 2 of the License, or (at your option) any later version.

    11 

    12     This library is distributed in the hope that it will be useful,

    13     but WITHOUT ANY WARRANTY; without even the implied warranty of

    14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    15     Library General Public License for more details.

    16 

    17     You should have received a copy of the GNU Library General Public License

    18     aint with this library; see the file COPYING.LIB.  If not, write to

    19     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    20     Boston, MA 02110-1301, USA.

    21 */

    22 

    23 #ifndef RenderSVGContainer_h

    24 #define RenderSVGContainer_h

    25 

    26 #if ENABLE(SVG)

    27 

    28 #include "RenderContainer.h"

    29 #include "RenderPath.h"

    30 

    31 namespace WebCore {

    32 

    33 enum KCAlign {

    34     ALIGN_NONE = 0,

    35     ALIGN_XMINYMIN = 1,

    36     ALIGN_XMIDYMIN = 2,

    37     ALIGN_XMAXYMIN = 3,

    38     ALIGN_XMINYMID = 4,

    39     ALIGN_XMIDYMID = 5,

    40     ALIGN_XMAXYMID = 6,

    41     ALIGN_XMINYMAX = 7,

    42     ALIGN_XMIDYMAX = 8,

    43     ALIGN_XMAXYMAX = 9

    44 };

    45 

    46 class SVGElement;

    47 

    48 class RenderSVGContainer : public RenderContainer {

    49 public:

    50     RenderSVGContainer(SVGStyledElement*);

    51     ~RenderSVGContainer();

    52 

    53     // Some containers do not want it's children

    54     // to be drawn, because they may be 'referenced'

    55     // Example: <marker> children in SVG

    56     void setDrawsContents(bool);

    57     bool drawsContents() const;

    58 

    59     virtual bool isSVGContainer() const { return true; }

    60     virtual const char* renderName() const { return "RenderSVGContainer"; }

    61         

    62     virtual bool requiresLayer();

    63     virtual short lineHeight(bool b, bool isRootLineBox = false) const;

    64     virtual short baselinePosition(bool b, bool isRootLineBox = false) const;

    65     

    66     virtual void layout();

    67     virtual void paint(PaintInfo&, int parentX, int parentY);

    68     

    69     virtual IntRect absoluteClippedOverflowRect();

    70     virtual void absoluteRects(Vector<IntRect>& rects, int tx, int ty, bool topLevel = true);

    71 

    72     virtual AffineTransform absoluteTransform() const;

    73 

    74     bool fillContains(const FloatPoint&) const;

    75     bool strokeContains(const FloatPoint&) const;

    76     FloatRect relativeBBox(bool includeStroke = true) const;

    77     

    78     virtual AffineTransform localTransform() const;

    79     void setLocalTransform(const AffineTransform&);

    80    

    81     FloatRect viewport() const;

    82 

    83     void setViewBox(const FloatRect&);

    84     FloatRect viewBox() const;

    85 

    86     void setAlign(KCAlign);

    87     KCAlign align() const;

    88 

    89     void setSlice(bool);

    90     bool slice() const;

    91     

    92     AffineTransform viewportTransform() const;

    93     

    94     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);

    95 

    96 private:

    97     void calcViewport(); 

    98     AffineTransform getAspectRatio(const FloatRect& logical, const FloatRect& physical) const;

    99 

   100     bool m_drawsContents : 1;

   101     bool m_slice : 1;

   102     AffineTransform m_matrix;

   103     

   104     FloatRect m_viewport;

   105     FloatRect m_viewBox;

   106     KCAlign m_align;

   107     IntRect m_absoluteBounds;

   108 };

   109 

   110 } // namespace WebCore

   111 

   112 #endif // ENABLE(SVG)

   113 #endif // RenderSVGContainer_h

   114 

   115 // vim:ts=4:noet