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qt5base-lts/tests/manual/lance/widgets.h
Jason McDonald 5635823e17 Remove "All rights reserved" line from license headers. 
As in the past, to avoid rewriting various autotests that contain
line-number information, an extra blank line has been inserted at the
end of the license text to ensure that this commit does not change the
total number of lines in the license header.

Change-Id: I311e001373776812699d6efc045b5f742890c689
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
2012-01-30 03:54:59 +01:00

355 lines
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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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 <private/qwindowsurface_p.h>
#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("Trolltech", "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("Trolltech", "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 (m_render_view.isNull()) {
if (T::window()->windowSurface())
m_render_view = T::window()->windowSurface()->grabWidget(this);
else
m_render_view = QPixmap::grabWidget(this);
m_render_view.save("renderView.png");
}
}
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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