mirror of
https://github.com/riuson/lcd-image-converter.git
synced 2026-03-09 17:47:02 +01:00
71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
/*
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* LCD Image Converter. Converts images and fonts for embedded applications.
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* Copyright (C) 2012 riuson
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* mailto: riuson@gmail.com
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*
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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 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/
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*/
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#include "fonthelper.h"
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//-----------------------------------------------------------------------------
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#include <QPixmap>
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#include <QPainter>
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#include "datacontainer.h"
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//-----------------------------------------------------------------------------
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FontHelper::FontHelper(QObject *parent) :
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QObject(parent)
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{
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}
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//-----------------------------------------------------------------------------
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QImage FontHelper::drawString(const DataContainer *data, const QString &value)
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{
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int width = 0, height = 0;
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QImage::Format format = QImage::Format_ARGB32;
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// find summary preview image size
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for (int i = 0; i < value.length(); i++)
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{
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QChar ch = value.at(i);
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if (data->keys().contains(ch))
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{
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const QImage *image = data->image(ch);
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format = image->format();
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width += image->width();
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height = qMax(height, image->height());
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}
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}
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// create preview image
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QImage preview = QImage(width, height, format);
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QPixmap previewPixmap = QPixmap::fromImage(preview);
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QPainter painter(&previewPixmap);
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// place characters on image
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int x = 0;
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for (int i = 0; i < value.length(); i++)
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{
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QChar ch = value.at(i);
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if (data->keys().contains(ch))
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{
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const QImage *image = data->image(ch);
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painter.drawImage(x, 0, *image);
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x += image->width();
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}
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}
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return previewPixmap.toImage();
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}
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//-----------------------------------------------------------------------------
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