1 /*

     2  * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>

     3  *

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

     5  * modify it under the terms of the GNU Library General Public

     6  * License as published by the Free Software Foundation; either

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

     8  *

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

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    12  * Library General Public License for more details.

    13  *

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

    15  * along with this library; see the file COPYING.LIB.  If not, write to

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

    17  * Boston, MA 02110-1301, USA.

    18  *

    19  */

    20 

    21 #ifndef SVGFontData_h

    22 #define SVGFontData_h

    23 

    24 #if ENABLE(SVG_FONTS)

    25 #include "SVGFontFaceElement.h"

    26 

    27 namespace WebCore {

    28 

    29 class SVGFontData : public Noncopyable {

    30 public:

    31     SVGFontData(SVGFontFaceElement*);

    32     virtual ~SVGFontData();

    33 

    34     SVGFontFaceElement* svgFontFaceElement() const { return m_svgFontFaceElement; }

    35 

    36     float horizontalOriginX() const { return m_horizontalOriginX; }

    37     float horizontalOriginY() const { return m_horizontalOriginY; }

    38     float horizontalAdvanceX() const { return m_horizontalAdvanceX; }

    39 

    40     float verticalOriginX() const { return m_verticalOriginX; }

    41     float verticalOriginY() const { return m_verticalOriginY; }

    42     float verticalAdvanceY() const { return m_verticalAdvanceY; }

    43 

    44 private:

    45     // Ths SVGFontFaceElement is kept alive --

    46     // 1) in the external font case: by the CSSFontFaceSource, which holds a reference to the external SVG document

    47     //    containing the element;

    48     // 2) in the in-document font case: by virtue of being in the document tree and making sure that when it is removed

    49     //    from the document, it removes the @font-face rule it owns from the document's mapped element sheet and forces

    50     //    a style update.

    51     SVGFontFaceElement* m_svgFontFaceElement;

    52 

    53     float m_horizontalOriginX;

    54     float m_horizontalOriginY;

    55     float m_horizontalAdvanceX;

    56 

    57     float m_verticalOriginX;

    58     float m_verticalOriginY;

    59     float m_verticalAdvanceY;

    60 };

    61 

    62 } // namespace WebCore

    63 

    64 #endif

    65 #endif // SVGFontData_h