79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
// SPDX-License-Identifier: LGPL-2.1-or-later
|
|
/****************************************************************************
|
|
* *
|
|
* Copyright (c) 2025 Alfredo Monclus <alfredomonclus@gmail.com> *
|
|
* *
|
|
* This file is part of FreeCAD. *
|
|
* *
|
|
* FreeCAD is free software: you can redistribute it and/or modify it *
|
|
* under the terms of the GNU Lesser General Public License as *
|
|
* published by the Free Software Foundation, either version 2.1 of the *
|
|
* License, or (at your option) any later version. *
|
|
* *
|
|
* FreeCAD is distributed in the hope that it will be useful, but *
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
|
|
* Lesser General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU Lesser General Public *
|
|
* License along with FreeCAD. If not, see *
|
|
* <https://www.gnu.org/licenses/>. *
|
|
* *
|
|
***************************************************************************/
|
|
|
|
// This custom widget scales an svg according to fonts
|
|
|
|
#include "FontScaledSVG.h"
|
|
|
|
namespace Gui
|
|
{
|
|
|
|
FontScaledSVG::FontScaledSVG(QWidget* parent)
|
|
: QWidget(parent)
|
|
, m_svgRenderer(new QSvgRenderer(this))
|
|
{
|
|
setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
|
|
}
|
|
|
|
void FontScaledSVG::setSvg(const QString& svgPath)
|
|
{
|
|
if (m_svgRenderer->load(svgPath)) {
|
|
updateScaledSize();
|
|
update();
|
|
}
|
|
}
|
|
|
|
void FontScaledSVG::paintEvent(QPaintEvent* event)
|
|
{
|
|
Q_UNUSED(event);
|
|
QPainter painter(this);
|
|
|
|
if (m_svgRenderer->isValid()) {
|
|
QRect targetRect(0, 0, width(), height());
|
|
m_svgRenderer->render(&painter, targetRect);
|
|
}
|
|
}
|
|
|
|
void FontScaledSVG::resizeEvent(QResizeEvent* event)
|
|
{
|
|
Q_UNUSED(event);
|
|
updateScaledSize();
|
|
}
|
|
|
|
void FontScaledSVG::updateScaledSize()
|
|
{
|
|
QSize baseSize = m_svgRenderer->defaultSize();
|
|
|
|
QFontMetrics metrics(font());
|
|
qreal spacing = metrics.lineSpacing();
|
|
constexpr int baseFactor = 18;
|
|
qreal scalingFactor = spacing / baseFactor;
|
|
|
|
QSize targetSize = baseSize * scalingFactor;
|
|
setFixedSize(targetSize);
|
|
}
|
|
|
|
} // namespace Gui
|
|
|
|
#include "moc_FontScaledSVG.cpp" // NOLINT
|