ResInsight/ApplicationCode/Application/RiaFontCache.cpp
2019-09-06 10:57:22 +02:00

132 lines
4.8 KiB
C++

/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2017 Statoil ASA
//
// ResInsight is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ResInsight 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 General Public License at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#include "RiaFontCache.h"
#include "cafAppEnum.h"
#include "cafFixedAtlasFont.h"
namespace caf
{
template <>
void RiaFontCache::FontSizeType::setUp()
{
addItem( RiaFontCache::FONT_SIZE_8, "8", "8" );
addItem( RiaFontCache::FONT_SIZE_10, "10", "10" );
addItem( RiaFontCache::FONT_SIZE_12, "12", "12" );
addItem( RiaFontCache::FONT_SIZE_14, "14", "14" );
addItem( RiaFontCache::FONT_SIZE_16, "16", "16" );
addItem( RiaFontCache::FONT_SIZE_24, "24", "24" );
addItem( RiaFontCache::FONT_SIZE_32, "32", "32" );
setDefault( RiaFontCache::FONT_SIZE_8 );
}
} // namespace caf
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
caf::FixedAtlasFont::FontSize mapToAtlasFontSize( RiaFontCache::FontSize fontSize )
{
switch ( fontSize )
{
case RiaFontCache::FONT_SIZE_8:
return caf::FixedAtlasFont::POINT_SIZE_8;
case RiaFontCache::FONT_SIZE_10:
return caf::FixedAtlasFont::POINT_SIZE_10;
case RiaFontCache::FONT_SIZE_12:
return caf::FixedAtlasFont::POINT_SIZE_12;
case RiaFontCache::FONT_SIZE_14:
return caf::FixedAtlasFont::POINT_SIZE_14;
case RiaFontCache::FONT_SIZE_16:
return caf::FixedAtlasFont::POINT_SIZE_16;
case RiaFontCache::FONT_SIZE_24:
return caf::FixedAtlasFont::POINT_SIZE_24;
case RiaFontCache::FONT_SIZE_32:
return caf::FixedAtlasFont::POINT_SIZE_32;
default:
return caf::FixedAtlasFont::POINT_SIZE_16;
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
std::map<RiaFontCache::FontSize, cvf::ref<caf::FixedAtlasFont>> RiaFontCache::ms_fonts;
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
cvf::ref<caf::FixedAtlasFont> RiaFontCache::getFont( FontSize size )
{
if ( ms_fonts.count( size ) == 0 )
{
auto newFont = new caf::FixedAtlasFont( mapToAtlasFontSize( size ) );
ms_fonts.insert( std::make_pair( size, newFont ) );
}
return ms_fonts[size];
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
int RiaFontCache::pointSizeFromFontSizeEnum( FontSize fontSize )
{
switch ( fontSize )
{
case RiaFontCache::FONT_SIZE_8:
return 8;
case RiaFontCache::FONT_SIZE_10:
return 10;
case RiaFontCache::FONT_SIZE_12:
return 12;
case RiaFontCache::FONT_SIZE_14:
return 14;
case RiaFontCache::FONT_SIZE_16:
return 16;
case RiaFontCache::FONT_SIZE_24:
return 24;
case RiaFontCache::FONT_SIZE_32:
return 32;
default:
return 16;
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RiaFontCache::FontSize RiaFontCache::fontSizeEnumFromPointSize( int pointSize )
{
std::vector<FontSize> allValues =
{FONT_SIZE_8, FONT_SIZE_10, FONT_SIZE_12, FONT_SIZE_14, FONT_SIZE_16, FONT_SIZE_24, FONT_SIZE_32};
FontSize closestEnumValue = FONT_SIZE_8;
int closestDiff = std::numeric_limits<int>::max();
for ( FontSize enumValue : allValues )
{
int diff = std::abs( pointSizeFromFontSizeEnum( enumValue ) - pointSize );
if ( diff < closestDiff )
{
closestEnumValue = enumValue;
closestDiff = diff;
}
}
return closestEnumValue;
}