37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
/***************************************************************************
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gb.form.font.h
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(c) 2000-2017 Benoît Minisini <g4mba5@gmail.com>
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This program 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 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#ifndef __GB_FORM_FONT_H
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#define __GB_FORM_FONT_H
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#define FONT_STEP 20
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#define GRADE_TO_SIZE(_grade, _desktop) ((int)(powf(_desktop, 1.0 + ((_grade) / (double)FONT_STEP)) + 0.5))
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#define SIZE_TO_GRADE(_size, _desktop) ((int)(FONT_STEP * (logf(_size) / logf(_desktop)) + 0.5) - FONT_STEP)
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#define GET_DESKTOP_SCALE(_font_size, _dpi) (1 + ((_font_size) * (_dpi) * 2 / 3 / 96))
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#define FONT_GRADE_MIN -8
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#define FONT_GRADE_MAX 24
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#endif
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