summaryrefslogtreecommitdiffstats
path: root/tests/arthur/lance/widgets.h
blob: f7d32685b828ecd3eb6a1547fae06bf0152ecacf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
/****************************************************************************
**
** Copyright (C) 2010 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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