ecfda0d523
...and other slight modernizations and minor fixes. Change-Id: Ide587d9fe59ca9113ae775882c99a50debaf9000 Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
316 lines
9.4 KiB
C++
316 lines
9.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef WIDGETS_H
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#define WIDGETS_H
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#include "paintcommands.h"
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#include <QWidget>
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#include <QSettings>
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#include <QFileInfo>
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#include <QPainter>
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#include <QPaintEvent>
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#include <QListWidgetItem>
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#include <QTextEdit>
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#include <QHBoxLayout>
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#include <QSplitter>
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#include <QPushButton>
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#include <QFileDialog>
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#include <QTextStream>
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#include <QPaintEngine>
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#include <QSignalMapper>
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#include <QAction>
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#include <QDebug>
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#include <qmath.h>
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const int CP_RADIUS = 10;
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template <class T>
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class OnScreenWidget : public T
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{
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public:
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enum ViewMode {
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RenderView,
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BaselineView,
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DifferenceView
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};
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OnScreenWidget(const QString &file, QWidget *parent = nullptr)
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: T(parent),
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m_filename(file),
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m_view_mode(RenderView)
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{
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QSettings settings("QtProject", "lance");
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for (int i=0; i<10; ++i) {
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QPointF suggestion(100 + i * 40, 100 + 100 * qSin(i * 3.1415 / 10.0));
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m_controlPoints << settings.value("cp" + QString::number(i), suggestion).toPointF();
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}
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m_currentPoint = -1;
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m_showControlPoints = false;
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m_deviceType = WidgetType;
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m_checkersBackground = true;
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m_verboseMode = false;
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m_baseline_name = QString(m_filename).replace(".qps", "_qps") + ".png";
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if (QFileInfo(m_baseline_name).exists()) {
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m_baseline = QPixmap(m_baseline_name);
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}
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if (m_baseline.isNull()) {
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T::setWindowTitle("Rendering: '" + file + "'. No baseline available");
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} else {
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T::setWindowTitle("Rendering: '" + file + "'. Shortcuts: 1=render, 2=baseline, 3=difference");
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QAction *renderViewAction = new QAction("Render View", this);
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renderViewAction->setShortcut(Qt::Key_1);
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T::connect(renderViewAction, &QAction::triggered, [&] { setMode(RenderView); });
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T::addAction(renderViewAction);
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QAction *baselineAction = new QAction("Baseline", this);
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baselineAction->setShortcut(Qt::Key_2);
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T::connect(baselineAction, &QAction::triggered, [&] { setMode(BaselineView); });
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T::addAction(baselineAction);
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QAction *differenceAction = new QAction("Difference View", this);
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differenceAction->setShortcut(Qt::Key_3);
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T::connect(differenceAction, &QAction::triggered, [&] { setMode(DifferenceView); });
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T::addAction(differenceAction);
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}
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}
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~OnScreenWidget()
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{
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QSettings settings("QtProject", "lance");
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for (int i=0; i<10; ++i) {
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settings.setValue("cp" + QString::number(i), m_controlPoints.at(i));
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}
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settings.sync();
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}
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void setMode(ViewMode mode) {
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m_view_mode = mode;
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QString title;
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switch (m_view_mode) {
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case RenderView: title = "Render"; break;
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case BaselineView: title = "Baseline"; break;
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case DifferenceView: title = "Difference"; break;
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}
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T::setWindowTitle(title + " View: " + m_filename);
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T::update();
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}
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void setVerboseMode(bool v) { m_verboseMode = v; }
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void setCheckersBackground(bool b) { m_checkersBackground = b; }
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void setType(DeviceType t) { m_deviceType = t; }
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void resizeEvent(QResizeEvent *e) {
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m_image = QImage();
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T::resizeEvent(e);
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}
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void paintEvent(QPaintEvent *) {
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switch (m_view_mode) {
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case RenderView: paintRenderView(); break;
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case BaselineView: paintBaselineView(); break;
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case DifferenceView: paintDifferenceView(); break;
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}
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}
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void paintRenderView()
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{
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QPainter pt;
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QPaintDevice *dev = this;
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if (m_deviceType == ImageWidgetType) {
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if (m_image.size() != T::size())
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m_image = QImage(T::size(), QImage::Format_ARGB32_Premultiplied);
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m_image.fill(0);
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dev = &m_image;
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}
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pt.begin(dev);
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PaintCommands paintCommands(m_commands, 800, 800, QImage::Format_ARGB32_Premultiplied);
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paintCommands.setVerboseMode(m_verboseMode);
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paintCommands.setCheckersBackground(m_checkersBackground);
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paintCommands.setType(m_deviceType);
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paintCommands.setPainter(&pt);
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paintCommands.setControlPoints(m_controlPoints);
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paintCommands.setFilePath(QFileInfo(m_filename).absolutePath());
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#ifdef DO_QWS_DEBUGGING
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qt_show_painter_debug_output = true;
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#endif
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pt.save();
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paintCommands.runCommands();
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pt.restore();
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#ifdef DO_QWS_DEBUGGING
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qt_show_painter_debug_output = false;
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#endif
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pt.end();
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if (m_deviceType == ImageWidgetType) {
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QPainter(this).drawImage(0, 0, m_image);
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}
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if (m_currentPoint >= 0 || m_showControlPoints) {
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pt.begin(this);
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pt.setRenderHint(QPainter::Antialiasing);
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pt.setFont(this->font());
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pt.resetTransform();
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pt.setPen(QColor(127, 127, 127, 191));
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pt.setBrush(QColor(191, 191, 255, 63));
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for (int i=0; i<m_controlPoints.size(); ++i) {
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if (m_showControlPoints || m_currentPoint == i) {
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QPointF cp = m_controlPoints.at(i);
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QRectF rect(cp.x() - CP_RADIUS, cp.y() - CP_RADIUS,
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CP_RADIUS * 2, CP_RADIUS * 2);
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pt.drawEllipse(rect);
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pt.drawText(rect, Qt::AlignCenter, QString::number(i));
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}
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}
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}
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#if 0
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// ### TBD: Make this work with Qt5
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if (m_render_view.isNull()) {
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m_render_view = QPixmap::grabWidget(this);
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m_render_view.save("renderView.png");
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}
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#endif
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}
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void paintBaselineView() {
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QPainter p(this);
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if (m_baseline.isNull()) {
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p.drawText(T::rect(), Qt::AlignCenter,
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"No baseline found\n"
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"file '" + m_baseline_name + "' does not exist...");
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return;
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}
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p.drawPixmap(0, 0, m_baseline);
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p.setPen(QColor::fromRgbF(0, 0, 0, 0.1));
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p.setFont(QFont("Arial", 128));
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p.rotate(45);
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p.drawText(100, 0, "BASELINE");
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}
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QPixmap generateDifference()
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{
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QImage img(T::size(), QImage::Format_RGB32);
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img.fill(0);
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QPainter p(&img);
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p.drawImage(0, 0, m_image);
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p.setCompositionMode(QPainter::RasterOp_SourceXorDestination);
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p.drawPixmap(0, 0, m_baseline);
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p.end();
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return QPixmap::fromImage(img);
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}
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void paintDifferenceView() {
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QPainter p(this);
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if (m_baseline.isNull()) {
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p.drawText(T::rect(), Qt::AlignCenter,
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"No baseline found\n"
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"file '" + m_baseline_name + "' does not exist...");
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return;
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}
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p.fillRect(T::rect(), Qt::black);
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p.drawPixmap(0, 0, generateDifference());
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}
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void mouseMoveEvent(QMouseEvent *e)
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{
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if (m_currentPoint == -1)
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return;
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if (T::rect().contains(e->pos()))
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m_controlPoints[m_currentPoint] = e->pos();
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T::update();
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}
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void mousePressEvent(QMouseEvent *e)
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{
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if (e->button() == Qt::RightButton) {
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m_showControlPoints = true;
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}
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if (e->button() == Qt::LeftButton) {
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for (int i=0; i<m_controlPoints.size(); ++i) {
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if (QLineF(m_controlPoints.at(i), e->pos()).length() < CP_RADIUS) {
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m_currentPoint = i;
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break;
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}
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}
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}
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T::update();
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}
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void mouseReleaseEvent(QMouseEvent *e)
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{
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if (e->button() == Qt::LeftButton)
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m_currentPoint = -1;
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if (e->button() == Qt::RightButton)
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m_showControlPoints = false;
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T::update();
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}
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QSize sizeHint() const { return QSize(800, 800); }
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QVector<QPointF> m_controlPoints;
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int m_currentPoint;
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bool m_showControlPoints;
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QStringList m_commands;
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QString m_filename;
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QString m_baseline_name;
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bool m_verboseMode;
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bool m_checkersBackground;
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DeviceType m_deviceType;
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int m_view_mode;
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QImage m_image;
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QPixmap m_baseline;
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QPixmap m_render_view;
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};
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#endif
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