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https://github.com/fergalmoran/flameshot.git
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123 lines
3.4 KiB
C++
123 lines
3.4 KiB
C++
// Copyright(c) 2017-2019 Alejandro Sirgo Rica & Contributors
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//
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// This file is part of Flameshot.
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//
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// Flameshot 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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// Flameshot 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 Flameshot. If not, see <http://www.gnu.org/licenses/>.
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#include "abstractpathtool.h"
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AbstractPathTool::AbstractPathTool(QObject* parent)
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: CaptureTool(parent)
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, m_thickness(0)
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, m_padding(0)
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{}
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bool AbstractPathTool::isValid() const
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{
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return m_points.length() > 1;
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}
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bool AbstractPathTool::closeOnButtonPressed() const
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{
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return false;
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}
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bool AbstractPathTool::isSelectable() const
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{
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return true;
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}
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bool AbstractPathTool::showMousePreview() const
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{
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return true;
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}
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void AbstractPathTool::undo(QPixmap& pixmap)
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{
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QPainter p(&pixmap);
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#if (defined(Q_OS_MAC) || defined(Q_OS_MAC64) || defined(Q_OS_MACOS) || \
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defined(Q_OS_MACX))
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// Not sure how will it work on 4k and fullHd on Linux or Windows with a
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// capture of different displays with different DPI, so let it be MacOS
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// specific only.
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const qreal pixelRatio = pixmap.devicePixelRatio();
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p.drawPixmap(backupRect(pixmap).topLeft() / pixelRatio, m_pixmapBackup);
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#else
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p.drawPixmap(backupRect(pixmap).topLeft(), m_pixmapBackup);
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#endif
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}
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void AbstractPathTool::drawEnd(const QPoint& p)
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{
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Q_UNUSED(p);
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}
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void AbstractPathTool::drawMove(const QPoint& p)
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{
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addPoint(p);
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}
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void AbstractPathTool::colorChanged(const QColor& c)
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{
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m_color = c;
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}
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void AbstractPathTool::thicknessChanged(const int th)
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{
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m_thickness = th;
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}
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void AbstractPathTool::updateBackup(const QPixmap& pixmap)
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{
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m_pixmapBackup = pixmap.copy(backupRect(pixmap));
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}
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QRect AbstractPathTool::backupRect(const QPixmap& pixmap) const
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{
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const QRect& limits = pixmap.rect();
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#if (defined(Q_OS_MAC) || defined(Q_OS_MAC64) || defined(Q_OS_MACOS) || \
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defined(Q_OS_MACX))
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// Not sure how will it work on 4k and fullHd on Linux or Windows with a
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// capture of different displays with different DPI, so let it be MacOS
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// specific only.
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const qreal pixelRatio = pixmap.devicePixelRatio();
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const int val = (m_thickness + m_padding) * pixelRatio;
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QRect r = m_backupArea.normalized();
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if (1 != pixelRatio) {
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r.moveTo(r.topLeft() * pixelRatio);
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r.setSize(r.size() * pixelRatio);
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}
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#else
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const int val = m_thickness + m_padding;
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QRect r = m_backupArea.normalized();
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#endif
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r += QMargins(val, val, val, val);
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return r.intersected(limits);
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}
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void AbstractPathTool::addPoint(const QPoint& point)
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{
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if (m_backupArea.left() > point.x()) {
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m_backupArea.setLeft(point.x());
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} else if (m_backupArea.right() < point.x()) {
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m_backupArea.setRight(point.x());
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}
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if (m_backupArea.top() > point.y()) {
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m_backupArea.setTop(point.y());
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} else if (m_backupArea.bottom() < point.y()) {
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m_backupArea.setBottom(point.y());
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}
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m_points.append(point);
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}
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