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      1 /*
      2  * Copyright (C) Research In Motion Limited 2010-11. All rights reserved.
      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 #include "config.h"
     21 #include "core/rendering/svg/SVGTextLayoutAttributes.h"
     22 
     23 #include <stdio.h>
     24 
     25 #include "wtf/text/CString.h"
     26 
     27 namespace WebCore {
     28 
     29 SVGTextLayoutAttributes::SVGTextLayoutAttributes(RenderSVGInlineText* context)
     30     : m_context(context)
     31 {
     32 }
     33 
     34 void SVGTextLayoutAttributes::clear()
     35 {
     36     m_characterDataMap.clear();
     37     m_textMetricsValues.clear();
     38 }
     39 
     40 float SVGTextLayoutAttributes::emptyValue()
     41 {
     42     static float s_emptyValue = std::numeric_limits<float>::max() - 1;
     43     return s_emptyValue;
     44 }
     45 
     46 static inline void dumpSVGCharacterDataMapValue(const char* identifier, float value, bool appendSpace = true)
     47 {
     48     if (value == SVGTextLayoutAttributes::emptyValue()) {
     49         fprintf(stderr, "%s=x", identifier);
     50         if (appendSpace)
     51             fprintf(stderr, " ");
     52         return;
     53     }
     54     fprintf(stderr, "%s=%lf", identifier, value);
     55     if (appendSpace)
     56         fprintf(stderr, " ");
     57 }
     58 
     59 void SVGTextLayoutAttributes::dump() const
     60 {
     61     fprintf(stderr, "context: %p\n", m_context);
     62     const SVGCharacterDataMap::const_iterator end = m_characterDataMap.end();
     63     for (SVGCharacterDataMap::const_iterator it = m_characterDataMap.begin(); it != end; ++it) {
     64         const SVGCharacterData& data = it->value;
     65         fprintf(stderr, " ---> pos=%i, data={", it->key);
     66         dumpSVGCharacterDataMapValue("x", data.x);
     67         dumpSVGCharacterDataMapValue("y", data.y);
     68         dumpSVGCharacterDataMapValue("dx", data.dx);
     69         dumpSVGCharacterDataMapValue("dy", data.dy);
     70         dumpSVGCharacterDataMapValue("rotate", data.rotate, false);
     71         fprintf(stderr, "}\n");
     72     }
     73 }
     74 
     75 }
     76