102 lines
2.2 KiB
C++
102 lines
2.2 KiB
C++
/*
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* Squawk messenger.
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* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
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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 <QDebug>
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#include "image.h"
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Image::Image(const QString& p_path, quint16 p_minWidth, QWidget* parent):
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QLabel(parent),
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pixmap(p_path),
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path(p_path),
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aspectRatio(0),
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minWidth(p_minWidth),
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svgMode(false)
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{
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if (path.contains(".svg")) {
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svgMode = true;
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}
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setScaledContents(true);
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recalculateAspectRatio();
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}
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Image::~Image()
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{
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}
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int Image::heightForWidth(int width) const
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{
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int height = width / aspectRatio;
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return height;
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}
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int Image::widthForHeight(int height) const
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{
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return height * aspectRatio;
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}
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bool Image::hasHeightForWidth() const
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{
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return true;
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}
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void Image::recalculateAspectRatio()
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{
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qreal height = pixmap.height();
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qreal width = pixmap.width();
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aspectRatio = width / height;
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if (!svgMode) {
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setPixmap(pixmap);
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}
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setMinimumHeight(minWidth / aspectRatio);
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setMinimumWidth(minWidth);
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}
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void Image::setMinWidth(quint16 p_minWidth)
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{
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if (minWidth != p_minWidth) {
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minWidth = p_minWidth;
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recalculateAspectRatio();
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}
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}
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void Image::setPath(const QString& p_path)
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{
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if (path != p_path) {
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path = p_path;
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if (path.contains(".svg")) {
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svgMode = true;
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}
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pixmap = QPixmap(path);
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recalculateAspectRatio();
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}
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}
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void Image::resizeEvent(QResizeEvent* event)
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{
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if (svgMode) {
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QIcon ico;
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QSize size = event->size();
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ico.addFile(path, size);
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setPixmap(ico.pixmap(size));
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}
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QLabel::resizeEvent(event);
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}
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