mirror of
https://github.com/OPM/ResInsight.git
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125 lines
4.8 KiB
C++
125 lines
4.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2017 Statoil ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#include "RiaFontCache.h"
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#include "RiaGuiApplication.h"
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#include "cafFixedAtlasFont.h"
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#include <QDesktopWidget>
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#include <cmath>
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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caf::FixedAtlasFont::FontSize mapToAtlasFontSize( int pointSize )
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{
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if ( pointSize >= 6 && pointSize < 8 )
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return caf::FixedAtlasFont::POINT_SIZE_6;
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else if ( pointSize >= 8 && pointSize < 10 )
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return caf::FixedAtlasFont::POINT_SIZE_8;
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else if ( pointSize >= 10 && pointSize < 12 )
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return caf::FixedAtlasFont::POINT_SIZE_10;
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else if ( pointSize >= 12 && pointSize < 14 )
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return caf::FixedAtlasFont::POINT_SIZE_12;
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else if ( pointSize >= 14 && pointSize < 16 )
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return caf::FixedAtlasFont::POINT_SIZE_14;
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else if ( pointSize >= 16 && pointSize < 20 )
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return caf::FixedAtlasFont::POINT_SIZE_16;
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else if ( pointSize >= 20 && pointSize < 28 )
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return caf::FixedAtlasFont::POINT_SIZE_24;
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return caf::FixedAtlasFont::POINT_SIZE_32;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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std::map<caf::FixedAtlasFont::FontSize, cvf::ref<caf::FixedAtlasFont>> RiaFontCache::ms_fonts;
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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cvf::ref<caf::FixedAtlasFont> RiaFontCache::getFont( FontSize pointFontSize )
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{
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int pointSize = caf::FontTools::absolutePointSize( pointFontSize );
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return getFont( pointSize );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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cvf::ref<caf::FixedAtlasFont> RiaFontCache::getFont( int pointSize )
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{
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int currentDPI = 96;
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if ( RiaGuiApplication::isRunning() )
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{
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currentDPI = RiaGuiApplication::desktop()->logicalDpiX();
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}
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// the Fixed Atlas Fonts appear to be assuming a DPI of 96, so we need scaling.
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double scaling = currentDPI / 96.0;
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int scaledSize = scaling * pointSize;
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auto atlasFontSize = mapToAtlasFontSize( scaledSize );
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auto existing_it = ms_fonts.find( atlasFontSize );
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if ( existing_it == ms_fonts.end() )
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{
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auto newFont = new caf::FixedAtlasFont( atlasFontSize );
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bool inserted = false;
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std::tie( existing_it, inserted ) = ms_fonts.insert( std::make_pair( atlasFontSize, newFont ) );
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CAF_ASSERT( inserted );
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}
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return existing_it->second;
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}
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//--------------------------------------------------------------------------------------------------
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/// In the 2019 releases the font size was stored as an enum value rather than actual size
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/// Use this method for legacy conversion
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//--------------------------------------------------------------------------------------------------
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RiaFontCache::FontSize RiaFontCache::legacyEnumToPointSize( int enumValue )
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{
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switch ( enumValue )
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{
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case 0:
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return FontSize::FONT_SIZE_8;
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case 1:
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return FontSize::FONT_SIZE_10;
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case 2:
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return FontSize::FONT_SIZE_12;
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case 3:
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return FontSize::FONT_SIZE_14;
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case 4:
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return FontSize::FONT_SIZE_16;
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case 5:
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return FontSize::FONT_SIZE_24;
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case 6:
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return FontSize::FONT_SIZE_32;
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default:
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return FontSize::FONT_SIZE_8;
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiaFontCache::clear()
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{
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ms_fonts.clear();
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}
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