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qt5base-lts/tests/manual/lance/widgets.h
Jani Heikkinen f776595cc1 Updated license headers 
From Qt 5.7 -> tools & applications are lisenced under GPL v3 with some
exceptions, see
http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/

Updated license headers to use new GPL-EXCEPT header instead of LGPL21 one
(in those files which will be under GPL 3 with exceptions)

Change-Id: I42a473ddc97101492a60b9287d90979d9eb35ae1
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
2016-01-21 18:55:18 +00:00

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