103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2021 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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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 2 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 GNU
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* 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; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "icon.h"
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#include "utils.h"
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#include <QMessageBox>
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#include <QApplication>
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#include <QToolButton>
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int Icon::stdSize(int v)
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{
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if (v<19) {
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return 16;
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} else if (v<=28) {
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return 22;
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} else if (v<=40) {
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return 32;
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} else if (v<=56) {
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return 48;
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} else if (v<=90) {
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return 64;
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}
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if (Utils::isHighDpi()) {
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if (v<=160) {
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return 128;
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} else {
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return 256;
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}
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}
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return 128;
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}
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int Icon::dlgIconSize()
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{
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static int size=-1;
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if (-1==size) {
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QMessageBox *box=new QMessageBox(nullptr);
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box->setVisible(false);
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box->setIcon(QMessageBox::Information);
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box->ensurePolished();
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QPixmap pix=box->iconPixmap();
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if (pix.isNull() || pix.width()<16) {
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size=stdSize(QApplication::fontMetrics().height()*3.5);
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} else {
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size=pix.width();
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}
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box->deleteLater();
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}
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return size;
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}
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void Icon::init(QToolButton *btn, bool setFlat)
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{
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static int size=-1;
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if (-1==size) {
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size=QApplication::fontMetrics().height();
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if (size>22) {
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size=stdSize(size*1.1);
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} else {
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size=16;
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}
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}
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btn->setIconSize(QSize(size, size));
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if (setFlat) {
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btn->setAutoRaise(true);
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}
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}
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QPixmap Icon::getScaledPixmap(const QIcon &icon, int w, int h, int base)
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{
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QList<QSize> sizes=icon.availableSizes();
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for (const QSize &s: sizes) {
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if (s.width()==w && s.height()==h) {
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return icon.pixmap(s);
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}
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}
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return icon.pixmap(base, base).scaled(w, h, Qt::KeepAspectRatio, Qt::SmoothTransformation);
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}
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