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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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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