mirror of https://github.com/KLayout/klayout.git
148 lines
4.1 KiB
C++
148 lines
4.1 KiB
C++
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/*
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KLayout Layout Viewer
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Copyright (C) 2006-2021 Matthias Koefferlein
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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 of the License, or
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(at your option) 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 St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <QApplication>
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#include <QFont>
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#include <QBitmap>
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#include <QPainter>
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#include <QFontDialog>
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#include <stdio.h>
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// The system font to use
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// NOTE: "Libration Mono" works only well for Ubuntu 16. The version from
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// Ubuntu 18++ does not come with good hinting and is bad without AA.
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static const char *font_name = "Liberation Mono";
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/**
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* @brief A small utility program to produce the fixed font definition file
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* Run this binary and redirect the output to "laybasic/fixedFont.h".
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*/
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int
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main (int argc, char *argv [])
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{
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QApplication app (argc, argv);
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printf ("\n// generated by fontgen\n// DO NOT EDIT !\n\n");
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printf ("\nnamespace lay {\n");
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std::string table;
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// 33% increments:
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int sz[] = { 9, 11, 13, 16, 21, 27 };
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const char *sz_name[] = { "Small", "Medium", "Large", "XLarge", "XXLarge", "XXXLarge" };
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int resolutions = 6;
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int font_sizes = int (sizeof (sz) / sizeof (sz[0]));
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printf("\nconst int ff_resolutions = %d;\n", resolutions);
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printf("const int ff_sizes = %d;\n", font_sizes);
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printf("\nconst char *ff_size_name (int sz) {\n");
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for (int s = 0; s < font_sizes; ++s) {
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printf(" if (sz == %d) { return \"%s\"; }\n", s, sz_name [s]);
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}
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printf(" return \"\";\n}\n");
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int os = 1;
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for (int r = 1; r <= resolutions; ++r) {
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for (int s = 0; s < font_sizes; ++s) {
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char b[1024];
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sprintf (b, " FixedFont (ff%d_height, ff%d_line_height, ff%d_width, ff%d_first_char, sizeof (ff%d_data) / sizeof (uint32_t) / (ff%d_height * ff%d_stride), ff%d_data, ff%d_stride),\n", os, os, os, os, os, os, os, os, os);
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table += b;
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QFont f (QString::fromLatin1 (font_name), r * sz[s]);
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f.setStyleStrategy(QFont::StyleStrategy ((f.styleStrategy() & ~QFont::PreferAntialias) | QFont::NoAntialias));
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QFontMetrics fm (f);
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int w = fm.width (QChar::fromLatin1 ('W'));
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printf ("\n// Font: %s\n", f.toString ().toLatin1 ().constData ());
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printf ("const unsigned int ff%d_height = %d;\nconst unsigned int ff%d_line_height = %d;\nconst unsigned int ff%d_width = %d;\nconst unsigned int ff%d_stride = %d;\n",
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os, fm.height (), os, fm.lineSpacing (), os, w, os, (w + 31) / 32);
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printf ("const unsigned char ff%d_first_char = ' ';\n\nuint32_t ff%d_data [] = {\n", os, os);
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for (int c = ' '; c < 256; ++c) {
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QImage img (w, fm.height (), QImage::Format_RGB32);
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img.fill (0xffffffff);
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QPainter p (&img);
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p.setPen (Qt::black);
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p.setRenderHints (QPainter::TextAntialiasing, false);
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p.setFont (f);
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char t[2];
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t[0] = c;
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t[1] = 0;
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p.drawText (0, fm.ascent (), QString::fromLatin1 (t));
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QImage b = img.convertToFormat (QImage::Format_MonoLSB);
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printf (" // %d", c);
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int n = 0;
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for (int i = 0; i < fm.height (); ++i) {
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int ww = w;
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unsigned int *sl = (unsigned int *) b.scanLine (i);
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do {
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if ((n % 16) == 0) {
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printf ("\n ");
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}
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++n;
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printf ("0x%x,", ww < 32 ? *sl & ((1 << ww) - 1) : *sl);
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ww -= 32;
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++sl;
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} while (ww > 0);
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}
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printf ("\n");
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}
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printf ("};\n");
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++os;
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}
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}
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printf ("\nstatic FixedFont fonts[] = {\n%s};\n", table.c_str ());
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printf ("\n} // namespace lay\n");
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return 0;
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}
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