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67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce::detail
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{
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struct FontRendering
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{
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FontRendering() = delete;
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/*
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Returns the total height of this font, in pixels, subject to the ascent and descent override
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values.
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If no ascent or descent override is set, this will return the same value as getHeight().
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*/
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static float getEffectiveHeight (const Font& font)
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{
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const auto ptr = font.getTypefacePtr();
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if (ptr == nullptr)
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return font.getHeight();
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const auto original = ptr->getMetrics (font.getMetricsKind()).heightToPoints;
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const auto actual = font.getHeightToPointsFactor();
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const auto sanity = 1e-6 < original && original < 1e6 && actual < 1e6;
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if (! sanity)
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return font.getHeight();
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return font.getHeight() * actual / original;
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}
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};
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} // namespace juce::detail
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