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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#ifndef _SV_GRAPHITEADAPTORS_HXX
#define _SV_GRAPHITEADAPTORS_HXX
// We need this to enable namespace support in libgrengine headers.
#define GR_NAMESPACE
// Standard Library
#include <stdexcept>
// Platform
#ifndef _SVWIN_H
#include <tools/svwin.h>
#endif
#ifndef _SV_SVSYS_HXX
#include <svsys.h>
#endif
#ifndef _SV_SALGDI_HXX
#include <salgdi.hxx>
#endif
#ifndef _SV_SALLAYOUT_HXX
#include <sallayout.hxx>
#endif
// Module
#include "vcl/dllapi.h"
// Libraries
#include <preextstl.h>
#include <graphite/GrClient.h>
#include <graphite/Font.h>
#include <graphite/ITextSource.h>
#include <postextstl.h>
// Module type definitions and forward declarations.
//
#ifndef MSC
// SAL/VCL types
class ServerFont;
class FreetypeServerFont;
// Graphite types
struct FontProperties : gr::FontProps
{
FontProperties(const FreetypeServerFont & font) throw();
};
namespace grutils
{
class GrFeatureParser;
}
// This class adapts the Sal font and graphics services to form required by
// the Graphite engine.
// @author tse
//
class VCL_PLUGIN_PUBLIC GraphiteFontAdaptor : public gr::Font
{
typedef std::map<const gr::gid16, std::pair<gr::Rect, gr::Point> > GlyphMetricMap;
friend class GrFontHasher;
public:
static bool IsGraphiteEnabledFont(ServerFont &) throw();
GraphiteFontAdaptor(ServerFont & font, const sal_Int32 dpi_x, const sal_Int32 dpi_y);
GraphiteFontAdaptor(const GraphiteFontAdaptor &) throw();
~GraphiteFontAdaptor() throw();
gr::Font * copyThis();
// Basic attribute accessors.
virtual float ascent();
virtual float descent();
virtual bool bold();
virtual bool italic();
virtual float height();
virtual unsigned int getDPIx();
virtual unsigned int getDPIy();
// Font access methods.
virtual const void * getTable(gr::fontTableId32 tableID, size_t * pcbSize);
virtual void getFontMetrics(float * ascent_out, float * descent_out = 0, float * em_square_out = 0);
// Glyph metrics.
virtual void getGlyphMetrics(gr::gid16 glyphID, gr::Rect & boundingBox, gr::Point & advances);
// Adaptor attributes.
const FontProperties & fontProperties() const throw();
FreetypeServerFont & font() const throw();
const grutils::GrFeatureParser * features() const { return mpFeatures; };
private:
virtual void UniqueCacheInfo(ext_std::wstring &, bool &, bool &);
FreetypeServerFont& mrFont;
FontProperties maFontProperties;
const unsigned int mnDpiX, mnDpiY;
const float mfAscent,
mfDescent,
mfEmUnits;
grutils::GrFeatureParser * mpFeatures;
GlyphMetricMap maGlyphMetricMap;
};
// Partial implementation of class GraphiteFontAdaptor.
//
inline const FontProperties & GraphiteFontAdaptor::fontProperties() const throw() {
return maFontProperties;
}
inline FreetypeServerFont & GraphiteFontAdaptor::font() const throw() {
return mrFont;
}
#endif // not MFC
// Partial implementation of class TextSourceAdaptor.
//
//inline const ImplLayoutArgs & TextSourceAdaptor::layoutArgs() const throw() {
// return _layout_args;
//}
#endif // _SV_GRAPHITEADAPTORS_HXX
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