source: trunk/demos/affine/xform.cpp@ 651

Last change on this file since 651 was 651, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.2 sources.
File size: 39.2 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the demonstration applications of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "xform.h"
43#include "hoverpoints.h"
44
45#include <QLayout>
46#include <QPainter>
47#include <QPainterPath>
48
49const int alpha = 155;
50
51XFormView::XFormView(QWidget *parent)
52 : ArthurFrame(parent)
53{
54 setAttribute(Qt::WA_MouseTracking);
55 m_type = VectorType;
56 m_rotation = 0.0;
57 m_scale = 1.0;
58 m_shear = 0.0;
59
60 m_pixmap = QPixmap(":res/affine/bg1.jpg");
61 pts = new HoverPoints(this, HoverPoints::CircleShape);
62 pts->setConnectionType(HoverPoints::LineConnection);
63 pts->setEditable(false);
64 pts->setPointSize(QSize(15, 15));
65 pts->setShapeBrush(QBrush(QColor(151, 0, 0, alpha)));
66 pts->setShapePen(QPen(QColor(255, 100, 50, alpha)));
67 pts->setConnectionPen(QPen(QColor(151, 0, 0, 50)));
68 pts->setBoundingRect(QRectF(0, 0, 500, 500));
69 ctrlPoints << QPointF(250, 250) << QPointF(350, 250);
70 pts->setPoints(ctrlPoints);
71 connect(pts, SIGNAL(pointsChanged(QPolygonF)),
72 this, SLOT(updateCtrlPoints(QPolygonF)));
73 setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
74}
75
76XFormView::XFormType XFormView::type() const
77{
78 return m_type;
79}
80
81QPixmap XFormView::pixmap() const
82{
83 return m_pixmap;
84}
85
86QString XFormView::text() const
87{
88 return m_text;
89}
90
91void XFormView::setText(const QString &t)
92{
93 m_text = t;
94 update();
95}
96
97void XFormView::setPixmap(const QPixmap &p)
98{
99 m_pixmap = p;
100 update();
101}
102
103void XFormView::setType(XFormType t)
104{
105 m_type = t;
106 update();
107}
108
109void XFormView::mousePressEvent(QMouseEvent *)
110{
111 setDescriptionEnabled(false);
112}
113
114void XFormView::resizeEvent(QResizeEvent *e)
115{
116 pts->setBoundingRect(rect());
117 ArthurFrame::resizeEvent(e);
118}
119
120void XFormView::paint(QPainter *p)
121{
122 p->save();
123 p->setRenderHint(QPainter::Antialiasing);
124 p->setRenderHint(QPainter::SmoothPixmapTransform);
125 switch (m_type) {
126 case VectorType:
127 drawVectorType(p);
128 break;
129 case PixmapType:
130 drawPixmapType(p);
131 break;
132 case TextType:
133 drawTextType(p);
134 break;
135 }
136 p->restore();
137}
138
139void XFormView::updateCtrlPoints(const QPolygonF &points)
140{
141 QPointF trans = points.at(0) - ctrlPoints.at(0);
142
143 if (qAbs(points.at(0).x() - points.at(1).x()) < 10
144 && qAbs(points.at(0).y() - points.at(1).y()) < 10)
145 pts->setPoints(ctrlPoints);
146 if (!trans.isNull()) {
147 ctrlPoints[0] = points.at(0);
148 ctrlPoints[1] += trans;
149 pts->setPoints(ctrlPoints);
150 }
151 ctrlPoints = points;
152
153 QLineF line(ctrlPoints.at(0), ctrlPoints.at(1));
154 m_rotation = line.angle(QLineF(0, 0, 1, 0));
155 if (line.dy() < 0)
156 m_rotation = 360 - m_rotation;
157
158 if (trans.isNull())
159 emit rotationChanged(int(m_rotation*10));
160}
161
162void XFormView::setVectorType()
163{
164 m_type = VectorType;
165 update();
166}
167
168void XFormView::setPixmapType()
169{
170 m_type = PixmapType;
171 update();
172}
173
174void XFormView::setTextType()
175{
176 m_type = TextType;
177 update();
178}
179
180void XFormView::setAnimation(bool animate)
181{
182 timer.stop();
183 if (animate)
184 timer.start(25, this);
185}
186
187void XFormView::changeRotation(int r)
188{
189 setRotation(qreal(r) / 10);
190}
191
192void XFormView::changeScale(int s)
193{
194 setScale(qreal(s) / 1000);
195}
196
197void XFormView::changeShear(int s)
198{
199 setShear(qreal(s) / 1000);
200}
201
202void XFormView::setShear(qreal s)
203{
204 m_shear = s;
205 update();
206}
207
208void XFormView::setScale(qreal s)
209{
210 m_scale = s;
211 update();
212}
213
214void XFormView::setRotation(qreal r)
215{
216 qreal old_rot = m_rotation;
217 m_rotation = r;
218
219 QPointF center(pts->points().at(0));
220 QMatrix m;
221 m.translate(center.x(), center.y());
222 m.rotate(m_rotation - old_rot);
223 m.translate(-center.x(), -center.y());
224 pts->setPoints(pts->points() * m);
225
226 update();
227}
228
229void XFormView::timerEvent(QTimerEvent *e)
230{
231 if (e->timerId() == timer.timerId()) {
232 QPointF center(pts->points().at(0));
233 QMatrix m;
234 m.translate(center.x(), center.y());
235 m.rotate(0.2);
236 m.translate(-center.x(), -center.y());
237 pts->setPoints(pts->points() * m);
238
239 setUpdatesEnabled(false);
240 static qreal scale_inc = 0.003;
241 static qreal shear_inc = -0.001;
242 emit scaleChanged(int((m_scale + scale_inc) * 1000));
243 emit shearChanged(int((m_shear + shear_inc) * 1000));
244 if (m_scale >= 4.0 || m_scale <= 0.1)
245 scale_inc = -scale_inc;
246 if (m_shear >= 1.0 || m_shear <= -1.0)
247 shear_inc = -shear_inc;
248 setUpdatesEnabled(true);
249
250 pts->firePointChange();
251 }
252}
253
254void XFormView::wheelEvent(QWheelEvent *e)
255{
256 m_scale += e->delta() / qreal(600);
257 m_scale = qMax(qreal(0.1), qMin(qreal(4), m_scale));
258 emit scaleChanged(int(m_scale*1000));
259}
260
261void XFormView::reset()
262{
263 emit rotationChanged(0);
264 emit scaleChanged(1000);
265 emit shearChanged(0);
266 ctrlPoints = QPolygonF();
267 ctrlPoints << QPointF(250, 250) << QPointF(350, 250);
268 pts->setPoints(ctrlPoints);
269 pts->firePointChange();
270}
271
272void XFormView::drawPixmapType(QPainter *painter)
273{
274 QPointF center(m_pixmap.width() / qreal(2), m_pixmap.height() / qreal(2));
275 painter->translate(ctrlPoints.at(0) - center);
276
277 painter->translate(center);
278 painter->rotate(m_rotation);
279 painter->scale(m_scale, m_scale);
280 painter->shear(0, m_shear);
281 painter->translate(-center);
282
283 painter->drawPixmap(QPointF(0, 0), m_pixmap);
284 painter->setPen(QPen(QColor(255, 0, 0, alpha), 0.25, Qt::SolidLine, Qt::FlatCap, Qt::BevelJoin));
285 painter->setBrush(Qt::NoBrush);
286 painter->drawRect(QRectF(0, 0, m_pixmap.width(), m_pixmap.height()).adjusted(-2, -2, 2, 2));
287}
288
289void XFormView::drawTextType(QPainter *painter)
290{
291 QPainterPath path;
292 QFont f("times new roman,utopia");
293 f.setStyleStrategy(QFont::ForceOutline);
294 f.setPointSize(72);
295 f.setStyleHint(QFont::Times);
296 path.addText(0, 0, f, m_text);
297
298 QFontMetrics fm(f);
299 QRectF br(fm.boundingRect(m_text));
300 QPointF center(br.center());
301 painter->translate(ctrlPoints.at(0) - center);
302
303 painter->translate(center);
304 painter->rotate(m_rotation);
305 painter->scale(m_scale, m_scale);
306 painter->shear(0, m_shear);
307 painter->translate(-center);
308
309 painter->fillPath(path, Qt::black);
310
311 painter->setPen(QPen(QColor(255, 0, 0, alpha), 0.25, Qt::SolidLine, Qt::FlatCap, Qt::BevelJoin));
312 painter->setBrush(Qt::NoBrush);
313 painter->drawRect(br.adjusted(-1, -1, 1, 1));
314}
315
316void XFormView::drawVectorType(QPainter *painter)
317{
318 QPainterPath path;
319 painter->translate(ctrlPoints.at(0) - QPointF(250,250));
320
321 painter->scale(0.77, 0.77);
322 painter->translate(98.9154 + 30 , -217.691 - 20);
323
324 QRect br(-55, 275, 500, 590);
325 QPoint center = br.center();
326 painter->translate(center.x(), center.y());
327 painter->rotate(m_rotation);
328 painter->scale(m_scale, m_scale);
329 painter->shear(0, m_shear);
330 painter->translate(-center.x(), -center.y());
331
332 painter->setPen(Qt::NoPen);
333 path.moveTo(120, 470);
334 path.lineTo(60+245, 470);
335 path.lineTo(60+245, 470+350);
336 path.lineTo(60, 470+350);
337 path.lineTo(60, 470+80);
338
339 painter->setBrush(Qt::white);
340 painter->drawPath(path);
341 path = QPainterPath();
342
343 painter->setBrush(QColor( 193, 193, 191, 255));
344 path.moveTo(329.336, 727.552);
345 path.cubicTo(QPointF(315.224, 726.328), QPointF(304.136, 715.816), QPointF(303.128, 694.936));
346 path.cubicTo(QPointF(306.368, 639.496), QPointF(309.608, 582.112), QPointF(271.232, 545.104));
347 path.cubicTo(QPointF(265.256, 499.024), QPointF(244.016, 482.104), QPointF(234.008, 452.512));
348 path.lineTo(218.24, 441.208);
349 path.lineTo(237.104, 411.688);
350 path.lineTo(245.168, 411.904);
351 path.lineTo(323.936, 571.168);
352 path.lineTo(340.424, 651.448);
353 path.closeSubpath();
354 painter->drawPath(path);
355 path = QPainterPath();
356
357 painter->setBrush(QColor(193, 193, 191, 255));
358 path.moveTo(136.232, 439.696);
359 path.cubicTo(QPointF(133.856, 455.248), QPointF(132.56, 470.512), QPointF(134.792, 485.272));
360 path.cubicTo(QPointF(118.376, 507.592), QPointF(105.92, 530.128), QPointF(104.48, 553.312));
361 path.cubicTo(QPointF(92.024, 586.504), QPointF(62.432, 614.584), QPointF(67.544, 680.104));
362 path.cubicTo(QPointF(84.176, 697.456), QPointF(107.432, 713.584), QPointF(127.376, 730.36));
363 path.cubicTo(QPointF(152.432, 751.312), QPointF(137.528, 778.96), QPointF(102.248, 772.408));
364 path.cubicTo(QPointF(94.4, 763.768), QPointF(76.616, 709.624), QPointF(42.92, 676.288));
365 path.lineTo(49.544, 632.584);
366 path.lineTo(81.368, 547.408);
367 path.lineTo(120.968, 484.048);
368 path.lineTo(125.36, 456.688);
369 path.lineTo(119.816, 386.776);
370 path.lineTo(124.424, 361.216);
371 path.lineTo(136.232, 439.696);
372 path.closeSubpath();
373 painter->drawPath(path);
374 path = QPainterPath();
375
376 painter->setBrush(QColor(193, 193, 191, 255));
377 path.moveTo(115.64, 341.416);
378 path.cubicTo(QPointF(116.576, 336.376), QPointF(117.8, 331.624), QPointF(119.312, 327.16));
379 path.lineTo(121.688, 342.784);
380 path.closeSubpath();
381 painter->drawPath(path);
382 path = QPainterPath();
383
384 painter->setBrush(QColor(193, 193, 191, 255));
385 path.moveTo(120.968, 500.464);
386 path.cubicTo(QPointF(108.368, 523.792), QPointF(103.976, 546.256), QPointF(132.92, 550.216));
387 path.cubicTo(QPointF(117.008, 553.888), QPointF(97.208, 568.648), QPointF(77.192, 593.488));
388 path.lineTo(77.624, 543.016);
389 path.lineTo(101.456, 503.272);
390 path.closeSubpath();
391 painter->drawPath(path);
392 path = QPainterPath();
393
394 painter->setBrush(QColor(193, 193, 191, 255));
395 path.moveTo(-33.256, 818.488);
396 path.cubicTo(QPointF(10.52, 838.144), QPointF(41.408, 837.064), QPointF(69.272, 850.96));
397 path.cubicTo(QPointF(91.304, 862.552), QPointF(113.552, 861.184), QPointF(126.944, 847.144));
398 path.cubicTo(QPointF(138.32, 832.456), QPointF(146.744, 831.736), QPointF(163.52, 830.224));
399 path.cubicTo(QPointF(190.952, 828.568), QPointF(217.736, 828.28), QPointF(241.928, 830.8));
400 path.lineTo(269.576, 833.032);
401 path.cubicTo(QPointF(269.072, 864.064), QPointF(328.04, 867.88), QPointF(345.392, 844.336));
402 path.cubicTo(QPointF(366.344, 819.424), QPointF(395.144, 808.264), QPointF(419.84, 790.192));
403 path.lineTo(289.304, 725.536);
404 path.cubicTo(QPointF(255.824, 806.464), QPointF(131.048, 827.632), QPointF(113.768, 763.264));
405 path.closeSubpath();
406 painter->drawPath(path);
407 path = QPainterPath();
408
409 painter->setBrush(QColor(193, 193, 191, 255));
410 path.moveTo(286.424, 711.568);
411 path.cubicTo(QPointF(273.824, 711.496), QPointF(260.936, 715.6), QPointF(261.944, 732.16));
412 path.lineTo(266.192, 776.44);
413 path.lineTo(304.424, 756.64);
414 path.closeSubpath();
415 painter->drawPath(path);
416 path = QPainterPath();
417
418 painter->setBrush(QColor(0, 0, 0, 255));
419 path.moveTo(-37.36, 821.224);
420 path.cubicTo(QPointF(7.136, 840.88), QPointF(38.6, 839.728), QPointF(66.968, 853.696));
421 path.cubicTo(QPointF(89.36, 865.216), QPointF(111.968, 863.92), QPointF(125.648, 849.808));
422 path.cubicTo(QPointF(137.24, 835.192), QPointF(145.808, 834.472), QPointF(162.872, 832.96));
423 path.cubicTo(QPointF(190.736, 831.232), QPointF(218.024, 831.016), QPointF(242.648, 833.464));
424 path.lineTo(270.728, 835.768);
425 path.cubicTo(QPointF(270.224, 866.8), QPointF(330.272, 870.544), QPointF(347.912, 847));
426 path.cubicTo(QPointF(369.224, 822.088), QPointF(398.528, 811), QPointF(423.656, 792.856));
427 path.lineTo(290.816, 728.272);
428 path.cubicTo(QPointF(256.76, 809.128), QPointF(129.824, 830.296), QPointF(112.256, 766));
429 path.closeSubpath();
430 painter->drawPath(path);
431 path = QPainterPath();
432
433 painter->setBrush(QColor(183, 114, 0, 255));
434 path.moveTo(382.328, 691.984);
435 path.cubicTo(QPointF(403.64, 698.968), QPointF(389.888, 720.28), QPointF(400.76, 732.52));
436 path.cubicTo(QPointF(405.44, 742.888), QPointF(415.304, 752.032), QPointF(431.792, 760.528));
437 path.cubicTo(QPointF(459.368, 774.424), QPointF(426.248, 799.336), QPointF(392.768, 812.08));
438 path.cubicTo(QPointF(351.944, 825.616), QPointF(344.024, 862.912), QPointF(299.312, 851.896));
439 path.cubicTo(QPointF(283.112, 846.496), QPointF(278.36, 831.808), QPointF(278.864, 809.128));
440 path.cubicTo(QPointF(284.264, 762.76), QPointF(277.784, 730.432), QPointF(278.792, 698.824));
441 path.cubicTo(QPointF(278.72, 686.152), QPointF(283.544, 684.64), QPointF(307.232, 687.952));
442 path.cubicTo(QPointF(310.04, 726.328), QPointF(352.376, 727.336), QPointF(382.328, 691.984));
443 path.closeSubpath();
444 painter->drawPath(path);
445 path = QPainterPath();
446
447 painter->setBrush(QColor(242, 183, 0, 255));
448 path.moveTo(339.632, 826.624);
449 path.cubicTo(QPointF(371.6, 814.312), QPointF(403.856, 798.112), QPointF(429.848, 782.128));
450 path.cubicTo(QPointF(437.84, 777.448), QPointF(438.92, 765.928), QPointF(427.688, 762.328));
451 path.cubicTo(QPointF(403.352, 748.504), QPointF(390.104, 731.224), QPointF(392.912, 708.76));
452 path.cubicTo(QPointF(393.344, 700.912), QPointF(383.696, 692.56), QPointF(381.104, 700.048));
453 path.cubicTo(QPointF(359.864, 771.472), QPointF(291.32, 767.656), QPointF(300.752, 696.952));
454 path.cubicTo(QPointF(301.256, 694.864), QPointF(301.76, 692.776), QPointF(302.264, 690.76));
455 path.cubicTo(QPointF(289.952, 688.24), QPointF(285.2, 690.976), QPointF(285.776, 700.408));
456 path.lineTo(295.28, 806.608);
457 path.cubicTo(QPointF(297.656, 830.8), QPointF(317.312, 836.128), QPointF(339.632, 826.624));
458 path.closeSubpath();
459 painter->drawPath(path);
460 path = QPainterPath();
461
462 painter->setBrush(QColor(0, 0, 0, 255));
463 path.moveTo(354.464, 537.544);
464 path.cubicTo(QPointF(379.16, 569.8), QPointF(404.432, 651.088), QPointF(384.416, 691.552));
465 path.cubicTo(QPointF(360.944, 737.776), QPointF(307.808, 743.248), QPointF(305.504, 695.8));
466 path.cubicTo(QPointF(308.816, 639.64), QPointF(311.984, 581.536), QPointF(273.68, 544.096));
467 path.cubicTo(QPointF(267.704, 497.368), QPointF(246.392, 480.232), QPointF(236.384, 450.28));
468 path.lineTo(203.12, 426.088);
469 path.lineTo(133.568, 435.088);
470 path.cubicTo(QPointF(130.76, 452.152), QPointF(129.104, 468.784), QPointF(131.552, 484.912));
471 path.cubicTo(QPointF(115.064, 507.376), QPointF(102.608, 530.056), QPointF(101.168, 553.312));
472 path.cubicTo(QPointF(88.712, 586.648), QPointF(59.12, 614.944), QPointF(64.232, 680.752));
473 path.cubicTo(QPointF(80.864, 698.248), QPointF(104.12, 714.448), QPointF(124.064, 731.296));
474 path.cubicTo(QPointF(149.12, 752.392), QPointF(135.512, 776.296), QPointF(100.232, 769.672));
475 path.cubicTo(QPointF(78.848, 746.056), QPointF(56.744, 722.872), QPointF(35.288, 699.328));
476 path.cubicTo(QPointF(12.392, 683.056), QPointF(3.896, 662.176), QPointF(27.368, 630.496));
477 path.cubicTo(QPointF(43.424, 609.04), QPointF(47.96, 562.456), QPointF(62, 543.664));
478 path.cubicTo(QPointF(74.312, 525.16), QPointF(92.24, 508.6), QPointF(105.272, 490.096));
479 path.cubicTo(QPointF(112.184, 477.928), QPointF(114.344, 468.568), QPointF(113.264, 454.456));
480 path.lineTo(110.312, 369.136);
481 path.cubicTo(QPointF(108.368, 307.216), QPointF(142.424, 274.24), QPointF(189.8, 275.248));
482 path.cubicTo(QPointF(243.512, 275.752), QPointF(287.576, 312.472), QPointF(288.152, 378.28));
483 path.cubicTo(QPointF(292.688, 410.32), QPointF(283.256, 428.68), QPointF(308.672, 474.472));
484 path.cubicTo(QPointF(334.52, 522.712), QPointF(338.552, 520.12), QPointF(354.464, 537.544));
485 path.closeSubpath();
486 painter->drawPath(path);
487 path = QPainterPath();
488
489 painter->setBrush(QColor(193, 193, 191, 255));
490 path.moveTo(261.296, 503.632);
491 path.lineTo(263.528, 512.2);
492 path.cubicTo(QPointF(257.696, 501.688), QPointF(250.712, 483.616), QPointF(241.928, 475.696));
493 path.cubicTo(QPointF(239.264, 473.536), QPointF(235.808, 473.608), QPointF(233.72, 475.624));
494 path.cubicTo(QPointF(222.056, 486.928), QPointF(193.112, 510.112), QPointF(169.928, 507.088));
495 path.cubicTo(QPointF(152.072, 505.288), QPointF(134.648, 493.264), QPointF(130.832, 480.232));
496 path.cubicTo(QPointF(128.816, 470.872), QPointF(129.752, 463.168), QPointF(130.976, 455.32));
497 path.lineTo(240.704, 453.52);
498 path.cubicTo(QPointF(238.472, 463.168), QPointF(253.088, 487), QPointF(261.296, 503.632));
499 path.closeSubpath();
500 painter->drawPath(path);
501 path = QPainterPath();
502
503 painter->setBrush(QColor(193, 193, 191, 255));
504 path.moveTo(143.144, 363.232);
505 path.cubicTo(QPointF(154.088, 363.232), QPointF(163.88, 376.84), QPointF(163.808, 395.632));
506 path.cubicTo(QPointF(163.736, 408.232), QPointF(155.528, 411.472), QPointF(149.336, 417.016));
507 path.cubicTo(QPointF(146.6, 419.536), QPointF(145.952, 433.144), QPointF(142.568, 433.144));
508 path.cubicTo(QPointF(131.696, 433.144), QPointF(123.488, 413.776), QPointF(123.488, 395.632));
509 path.cubicTo(QPointF(123.488, 377.56), QPointF(132.272, 363.232), QPointF(143.144, 363.232));
510 path.closeSubpath();
511 painter->drawPath(path);
512 path = QPainterPath();
513
514 painter->setBrush(QColor(255, 255, 255, 255));
515 path.moveTo(144.368, 375.04);
516 path.cubicTo(QPointF(154.088, 375.04), QPointF(160.856, 379.936), QPointF(161.648, 391.312));
517 path.cubicTo(QPointF(162.224, 399.16), QPointF(160.136, 411.76), QPointF(154.664, 414.424));
518 path.cubicTo(QPointF(152.144, 415.648), QPointF(143.432, 426.664), QPointF(140.408, 426.52));
519 path.cubicTo(QPointF(128.096, 425.944), QPointF(125, 402.112), QPointF(125.936, 390.736));
520 path.cubicTo(QPointF(126.8, 379.36), QPointF(134.72, 375.04), QPointF(144.368, 375.04));
521 path.closeSubpath();
522 painter->drawPath(path);
523 path = QPainterPath();
524
525 painter->setBrush(QColor(0, 0, 0, 255));
526 path.moveTo(141.848, 382.672);
527 path.cubicTo(QPointF(148.544, 382.096), QPointF(154.736, 389.728), QPointF(155.6, 399.664));
528 path.cubicTo(QPointF(156.464, 409.6), QPointF(151.64, 418.24), QPointF(144.944, 418.816));
529 path.cubicTo(QPointF(138.248, 419.392), QPointF(132.056, 411.76), QPointF(131.192, 401.752));
530 path.cubicTo(QPointF(130.328, 391.816), QPointF(135.152, 383.248), QPointF(141.848, 382.672));
531 path.closeSubpath();
532 painter->drawPath(path);
533 path = QPainterPath();
534
535 painter->setBrush(QColor(193, 193, 191, 255));
536 path.moveTo(151.064, 397.288);
537 path.cubicTo(QPointF(151.424, 399.088), QPointF(149.408, 400.024), QPointF(148.832, 398.224));
538 path.cubicTo(QPointF(148.256, 395.992), QPointF(146.888, 393.328), QPointF(145.088, 391.168));
539 path.cubicTo(QPointF(143.936, 389.872), QPointF(145.088, 388.432), QPointF(146.528, 389.44));
540 path.cubicTo(QPointF(149.048, 391.528), QPointF(150.488, 394.12), QPointF(151.064, 397.288));
541 path.closeSubpath();
542 painter->drawPath(path);
543 path = QPainterPath();
544
545 painter->setBrush(QColor(193, 193, 191, 255));
546 path.moveTo(216.944, 360.712);
547 path.cubicTo(QPointF(232.712, 360.712), QPointF(245.6, 377.416), QPointF(245.6, 397.792));
548 path.cubicTo(QPointF(245.6, 418.24), QPointF(232.712, 434.872), QPointF(216.944, 434.872));
549 path.cubicTo(QPointF(201.176, 434.872), QPointF(188.432, 418.24), QPointF(188.432, 397.792));
550 path.cubicTo(QPointF(188.432, 377.416), QPointF(201.176, 360.712), QPointF(216.944, 360.712));
551 path.closeSubpath();
552 painter->drawPath(path);
553 path = QPainterPath();
554
555 painter->setBrush(QColor(255, 255, 255, 255));
556 path.moveTo(224.792, 374.968);
557 path.cubicTo(QPointF(235.664, 378.856), QPointF(241.928, 387.424), QPointF(242.72, 396.568));
558 path.cubicTo(QPointF(243.656, 407.08), QPointF(239.408, 418.96), QPointF(230.264, 425.944));
559 path.cubicTo(QPointF(227.672, 427.888), QPointF(197.72, 416.08), QPointF(195.992, 411.616));
560 path.cubicTo(QPointF(193.4, 405.208), QPointF(191.816, 392.896), QPointF(193.76, 385.624));
561 path.cubicTo(QPointF(194.552, 382.744), QPointF(197.216, 378.568), QPointF(201.176, 376.336));
562 path.cubicTo(QPointF(207.44, 372.808), QPointF(216.656, 372.088), QPointF(224.792, 374.968));
563 path.closeSubpath();
564 painter->drawPath(path);
565 path = QPainterPath();
566
567 painter->setBrush(QColor(0, 0, 0, 255));
568 path.moveTo(216.872, 380.944);
569 path.cubicTo(QPointF(225.584, 380.944), QPointF(232.712, 389.296), QPointF(232.712, 399.448));
570 path.cubicTo(QPointF(232.712, 409.672), QPointF(225.584, 418.024), QPointF(216.872, 418.024));
571 path.cubicTo(QPointF(208.16, 418.024), QPointF(201.032, 409.672), QPointF(201.032, 399.448));
572 path.cubicTo(QPointF(201.032, 389.296), QPointF(208.16, 380.944), QPointF(216.872, 380.944));
573 path.closeSubpath();
574 painter->drawPath(path);
575 path = QPainterPath();
576
577 painter->setBrush(QColor(193, 193, 191, 255));
578 path.moveTo(227.096, 392.392);
579 path.cubicTo(QPointF(228.104, 394.048), QPointF(226.448, 395.776), QPointF(225.224, 394.12));
580 path.cubicTo(QPointF(223.784, 392.104), QPointF(221.408, 389.944), QPointF(218.888, 388.432));
581 path.cubicTo(QPointF(217.232, 387.568), QPointF(217.808, 385.624), QPointF(219.68, 386.2));
582 path.cubicTo(QPointF(222.92, 387.28), QPointF(225.368, 389.368), QPointF(227.096, 392.392));
583 path.closeSubpath();
584 painter->drawPath(path);
585 path = QPainterPath();
586
587 painter->setBrush(QColor(183, 114, 0, 255));
588 path.moveTo(164.96, 404.488);
589 path.cubicTo(QPointF(172.376, 402.328), QPointF(184.112, 403.048), QPointF(192.248, 404.632));
590 path.cubicTo(QPointF(200.384, 406.792), QPointF(222.056, 418.24), QPointF(245.024, 430.696));
591 path.cubicTo(QPointF(247.976, 432.208), QPointF(248.84, 437.104), QPointF(245.024, 438.688));
592 path.cubicTo(QPointF(239.12, 439.12), QPointF(249.272, 453.664), QPointF(238.904, 458.848));
593 path.cubicTo(QPointF(223.352, 462.88), QPointF(198.44, 485.992), QPointF(186.128, 487.864));
594 path.cubicTo(QPointF(179.288, 489.376), QPointF(172.232, 489.592), QPointF(164.6, 487.864));
595 path.cubicTo(QPointF(140.552, 482.968), QPointF(134.216, 455.608), QPointF(122.912, 450.064));
596 path.cubicTo(QPointF(119.816, 446.824), QPointF(121.4, 441.208), QPointF(122.408, 440.056));
597 path.cubicTo(QPointF(123.632, 434.224), QPointF(149.696, 406.216), QPointF(164.96, 404.488));
598 path.closeSubpath();
599 painter->drawPath(path);
600 path = QPainterPath();
601
602 painter->setBrush(QColor(242, 183, 0, 255));
603 path.moveTo(185.408, 405.856);
604 path.cubicTo(QPointF(198.44, 407.296), QPointF(226.088, 423.928), QPointF(239.408, 430.624));
605 path.cubicTo(QPointF(242.72, 432.424), QPointF(242.504, 437.824), QPointF(239.552, 438.688));
606 path.cubicTo(QPointF(236.384, 440.488), QPointF(235.448, 438.256), QPointF(232.928, 437.896));
607 path.cubicTo(QPointF(228.896, 435.736), QPointF(222.272, 440.92), QPointF(217.016, 444.88));
608 path.cubicTo(QPointF(186.704, 467.776), QPointF(180.656, 465.256), QPointF(156.176, 462.664));
609 path.cubicTo(QPointF(147.68, 460.576), QPointF(142.136, 457.984), QPointF(139.688, 455.968));
610 path.cubicTo(QPointF(141.488, 445.888), QPointF(160.496, 407.656), QPointF(166.76, 406.792));
611 path.cubicTo(QPointF(168.344, 404.704), QPointF(179.936, 404.632), QPointF(185.408, 405.856));
612 path.closeSubpath();
613 painter->drawPath(path);
614 path = QPainterPath();
615
616 painter->setBrush(QColor(183, 114, 0, 255));
617 path.moveTo(190.664, 412.048);
618 path.lineTo(193.76, 413.416);
619 path.cubicTo(QPointF(196.064, 414.712), QPointF(193.256, 418.168), QPointF(190.736, 417.088));
620 path.lineTo(186.2, 415.504);
621 path.cubicTo(QPointF(183.536, 413.272), QPointF(186.704, 410.104), QPointF(190.664, 412.048));
622 path.closeSubpath();
623 painter->drawPath(path);
624 path = QPainterPath();
625
626 painter->setBrush(QColor(193, 193, 191, 255));
627 path.moveTo(268.568, 452.368);
628 path.cubicTo(QPointF(273.032, 454.384), QPointF(279.224, 457.192), QPointF(282.536, 460.144));
629 path.cubicTo(QPointF(285.488, 464.104), QPointF(286.784, 468.064), QPointF(286.424, 472.024));
630 path.cubicTo(QPointF(285.776, 474.544), QPointF(284.12, 476.344), QPointF(281.24, 477.424));
631 path.cubicTo(QPointF(277.856, 478.216), QPointF(273.68, 477.424), QPointF(271.376, 474.112));
632 path.cubicTo(QPointF(269.864, 471.448), QPointF(265.256, 462.16), QPointF(263.96, 460.576));
633 path.cubicTo(QPointF(262.232, 457.12), QPointF(261.944, 454.456), QPointF(262.88, 452.368));
634 path.cubicTo(QPointF(264.032, 451.288), QPointF(266.048, 451), QPointF(268.568, 452.368));
635 path.closeSubpath();
636 painter->drawPath(path);
637 path = QPainterPath();
638
639 painter->setBrush(QColor(255, 255, 255, 255));
640 path.moveTo(273.752, 461.584);
641 path.cubicTo(QPointF(275.48, 462.376), QPointF(277.928, 463.456), QPointF(279.224, 464.68));
642 path.cubicTo(QPointF(280.376, 466.264), QPointF(280.88, 467.776), QPointF(280.736, 469.36));
643 path.cubicTo(QPointF(280.52, 470.296), QPointF(279.8, 471.016), QPointF(278.72, 471.448));
644 path.cubicTo(QPointF(277.352, 471.808), QPointF(275.768, 471.448), QPointF(274.832, 470.152));
645 path.cubicTo(QPointF(274.256, 469.144), QPointF(272.456, 465.472), QPointF(271.952, 464.824));
646 path.cubicTo(QPointF(271.232, 463.456), QPointF(271.088, 462.448), QPointF(271.448, 461.584));
647 path.cubicTo(QPointF(271.952, 461.152), QPointF(272.744, 461.08), QPointF(273.752, 461.584));
648 path.closeSubpath();
649 painter->drawPath(path);
650 path = QPainterPath();
651
652 painter->setBrush(QColor(193, 193, 191, 255));
653 path.moveTo(238.616, 358.552);
654 path.cubicTo(QPointF(239.048, 359.2), QPointF(238.976, 359.776), QPointF(238.4, 360.28));
655 path.cubicTo(QPointF(237.896, 360.784), QPointF(237.176, 360.712), QPointF(236.24, 360.208));
656 path.lineTo(231.632, 356.248);
657 path.cubicTo(QPointF(231.056, 355.744), QPointF(230.912, 354.952), QPointF(231.272, 354.088));
658 path.cubicTo(QPointF(232.28, 353.44), QPointF(233.144, 353.44), QPointF(233.936, 354.088));
659 path.closeSubpath();
660 painter->drawPath(path);
661 path = QPainterPath();
662
663 painter->setBrush(QColor(193, 193, 191, 255));
664 path.moveTo(235.592, 305.992);
665 path.cubicTo(QPointF(239.624, 308.224), QPointF(240.848, 313.912), QPointF(238.184, 318.592));
666 path.cubicTo(QPointF(235.592, 323.2), QPointF(230.12, 325.144), QPointF(226.016, 322.84));
667 path.cubicTo(QPointF(221.984, 320.536), QPointF(220.76, 314.92), QPointF(223.424, 310.24));
668 path.cubicTo(QPointF(226.016, 305.56), QPointF(231.488, 303.688), QPointF(235.592, 305.992));
669 path.closeSubpath();
670 painter->drawPath(path);
671 path = QPainterPath();
672
673 painter->setBrush(QColor(193, 193, 191, 255));
674 path.moveTo(374.912, 680.536);
675 path.cubicTo(QPointF(378.296, 683.128), QPointF(373.256, 687.376), QPointF(371.024, 686.296));
676 path.cubicTo(QPointF(369.152, 685.648), QPointF(367.784, 683.488), QPointF(366.92, 682.408));
677 path.cubicTo(QPointF(366.128, 681.184), QPointF(366.2, 679.168), QPointF(366.92, 678.448));
678 path.cubicTo(QPointF(367.712, 677.44), QPointF(369.728, 677.656), QPointF(371.024, 678.52));
679 path.cubicTo(QPointF(372.32, 679.168), QPointF(373.616, 679.888), QPointF(374.912, 680.536));
680 path.closeSubpath();
681 painter->drawPath(path);
682 path = QPainterPath();
683
684 painter->setBrush(QColor(193, 193, 191, 255));
685 path.moveTo(297.44, 551.512);
686 path.cubicTo(QPointF(338.984, 572.896), QPointF(350, 611.56), QPointF(332.072, 664.192));
687 path.cubicTo(QPointF(330.992, 666.64), QPointF(334.16, 668.368), QPointF(335.24, 666.064));
688 path.cubicTo(QPointF(354.824, 610.336), QPointF(341.432, 571.312), QPointF(299.024, 548.56));
689 path.cubicTo(QPointF(296.864, 547.552), QPointF(295.28, 550.432), QPointF(297.44, 551.512));
690 path.closeSubpath();
691 painter->drawPath(path);
692 path = QPainterPath();
693
694 painter->setBrush(QColor(193, 193, 191, 255));
695 path.moveTo(72.008, 569.512);
696 path.cubicTo(QPointF(38.312, 627.256), QPointF(38.096, 662.68), QPointF(62.504, 681.328));
697 path.cubicTo(QPointF(63.728, 682.264), QPointF(64.448, 680.032), QPointF(63.296, 679.168));
698 path.cubicTo(QPointF(36.296, 655.48), QPointF(48.896, 615.52), QPointF(74.168, 570.88));
699 path.cubicTo(QPointF(74.888, 569.584), QPointF(72.512, 568.432), QPointF(72.008, 569.512));
700 path.closeSubpath();
701 painter->drawPath(path);
702 path = QPainterPath();
703
704 painter->setBrush(QColor(193, 193, 191, 255));
705 path.moveTo(289.376, 586.864);
706 path.cubicTo(QPointF(289.232, 589.168), QPointF(288.368, 589.528), QPointF(286.424, 587.368));
707 path.cubicTo(QPointF(279.8, 575.848), QPointF(235.088, 551.44), QPointF(213.344, 548.704));
708 path.cubicTo(QPointF(209.24, 547.264), QPointF(209.456, 545.392), QPointF(213.488, 544.816));
709 path.cubicTo(QPointF(229.184, 544.816), QPointF(241.28, 537.904), QPointF(254.96, 537.904));
710 path.cubicTo(QPointF(258.704, 538.048), QPointF(262.304, 539.488), QPointF(264.392, 541.648));
711 path.cubicTo(QPointF(269.504, 544.96), QPointF(288.08, 570.592), QPointF(289.376, 586.864));
712 path.closeSubpath();
713 painter->drawPath(path);
714 path = QPainterPath();
715
716 painter->setBrush(QColor(193, 193, 191, 255));
717 path.moveTo(180.152, 546.832);
718 path.cubicTo(QPointF(180.872, 550.792), QPointF(163.808, 545.68), QPointF(164.744, 556.696));
719 path.cubicTo(QPointF(165.032, 559.72), QPointF(160.496, 561.376), QPointF(160.64, 556.696));
720 path.cubicTo(QPointF(160.64, 548.272), QPointF(161.072, 548.416), QPointF(152.72, 546.832));
721 path.cubicTo(QPointF(151.208, 546.76), QPointF(151.352, 544.528), QPointF(152.72, 544.816));
722 path.lineTo(152.72, 544.816);
723 path.cubicTo(QPointF(158.696, 546.472), QPointF(166.76, 542.872), QPointF(166.4, 538.84));
724 path.cubicTo(QPointF(166.256, 537.472), QPointF(168.56, 537.688), QPointF(168.488, 538.84));
725 path.cubicTo(QPointF(167.984, 545.248), QPointF(181.664, 542.152), QPointF(180.152, 546.832));
726 path.closeSubpath();
727 painter->drawPath(path);
728 path = QPainterPath();
729
730 painter->setBrush(QColor(193, 193, 191, 255));
731 path.moveTo(151.568, 705.376);
732 path.cubicTo(QPointF(151.64, 708.328), QPointF(148.76, 707.68), QPointF(148.544, 705.592));
733 path.cubicTo(QPointF(140.192, 680.536), QPointF(143.72, 618.832), QPointF(151.856, 598.96));
734 path.cubicTo(QPointF(152.432, 596.08), QPointF(156.248, 596.944), QPointF(155.744, 598.96));
735 path.cubicTo(QPointF(147.104, 635.464), QPointF(147.248, 673.048), QPointF(151.568, 705.376));
736 path.closeSubpath();
737 painter->drawPath(path);
738 path = QPainterPath();
739
740 painter->setBrush(QColor(183, 114, 0, 255));
741 path.moveTo(51.704, 684.424);
742 path.cubicTo(QPointF(75.68, 707.824), QPointF(91.376, 743.248), QPointF(114.632, 775.288));
743 path.cubicTo(QPointF(148.472, 816.04), QPointF(121.472, 858.304), QPointF(66.464, 845.56));
744 path.cubicTo(QPointF(38.888, 835.192), QPointF(-0.784, 836.344), QPointF(-32.68, 825.832));
745 path.cubicTo(QPointF(-55.072, 820.36), QPointF(-55.864, 809.272), QPointF(-44.416, 787.6));
746 path.cubicTo(QPointF(-40.384, 773.776), QPointF(-40.024, 751.312), QPointF(-43.768, 732.592));
747 path.cubicTo(QPointF(-45.784, 718.408), QPointF(-39.232, 710.488), QPointF(-24.112, 708.832));
748 path.lineTo(-24.112, 708.832);
749 path.cubicTo(QPointF(-11.296, 708.688), QPointF(6.56, 713.872), QPointF(16.28, 686.44));
750 path.cubicTo(QPointF(23.552, 673.336), QPointF(40.976, 672.976), QPointF(51.704, 684.424));
751 path.closeSubpath();
752 painter->drawPath(path);
753 path = QPainterPath();
754
755 painter->setBrush(QColor(242, 183, 0, 255));
756 path.moveTo(24.632, 699.04);
757 path.cubicTo(QPointF(23.84, 680.968), QPointF(39.32, 677.296), QPointF(49.688, 688.312));
758 path.cubicTo(QPointF(68.192, 710.992), QPointF(85.112, 736.048), QPointF(100.376, 764.992));
759 path.cubicTo(QPointF(124.712, 804.16), QPointF(104.624, 842.68), QPointF(67.904, 828.064));
760 path.cubicTo(QPointF(49.688, 817.84), QPointF(6.128, 813.304), QPointF(-17.344, 809.128));
761 path.cubicTo(QPointF(-33.04, 807.832), QPointF(-35.128, 797.608), QPointF(-29.152, 791.848));
762 path.cubicTo(QPointF(-20.944, 782.416), QPointF(-20.08, 759.808), QPointF(-27.856, 740.512));
763 path.cubicTo(QPointF(-35.56, 728.56), QPointF(-21.088, 715.384), QPointF(-9.712, 720.856));
764 path.cubicTo(QPointF(0.8, 727.048), QPointF(25.64, 713.08), QPointF(24.632, 699.04));
765 path.closeSubpath();
766 painter->drawPath(path);
767
768 painter->setPen(QPen(QColor(255, 0, 0, alpha), 0.25, Qt::SolidLine, Qt::FlatCap, Qt::BevelJoin));
769 painter->setBrush(Qt::NoBrush);
770 painter->drawRect(br.adjusted(-1, -1, 1, 1));
771}
772
773
774XFormWidget::XFormWidget(QWidget *parent)
775 : QWidget(parent), textEditor(new QLineEdit)
776{
777 setWindowTitle(tr("Affine Transformations"));
778
779 view = new XFormView(this);
780 view->setMinimumSize(200, 200);
781
782 QGroupBox *mainGroup = new QGroupBox(this);
783 mainGroup->setFixedWidth(180);
784 mainGroup->setTitle(tr("Affine Transformations"));
785
786 QGroupBox *rotateGroup = new QGroupBox(mainGroup);
787 rotateGroup->setTitle(tr("Rotate"));
788 QSlider *rotateSlider = new QSlider(Qt::Horizontal, rotateGroup);
789 rotateSlider->setRange(0, 3600);
790 rotateSlider->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
791
792 QGroupBox *scaleGroup = new QGroupBox(mainGroup);
793 scaleGroup->setTitle(tr("Scale"));
794 QSlider *scaleSlider = new QSlider(Qt::Horizontal, scaleGroup);
795 scaleSlider->setRange(1, 4000);
796 scaleSlider->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
797
798 QGroupBox *shearGroup = new QGroupBox(mainGroup);
799 shearGroup->setTitle(tr("Shear"));
800 QSlider *shearSlider = new QSlider(Qt::Horizontal, shearGroup);
801 shearSlider->setRange(-990, 990);
802 shearSlider->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
803
804 QGroupBox *typeGroup = new QGroupBox(mainGroup);
805 typeGroup->setTitle(tr("Type"));
806 QRadioButton *vectorType = new QRadioButton(typeGroup);
807 QRadioButton *pixmapType = new QRadioButton(typeGroup);
808 QRadioButton *textType= new QRadioButton(typeGroup);
809 vectorType->setText(tr("Vector Image"));
810 pixmapType->setText(tr("Pixmap"));
811 textType->setText(tr("Text"));
812
813 QPushButton *resetButton = new QPushButton(mainGroup);
814 resetButton->setText(tr("Reset Transform"));
815
816 QPushButton *animateButton = new QPushButton(mainGroup);
817 animateButton->setText(tr("Animate"));
818 animateButton->setCheckable(true);
819
820 QPushButton *showSourceButton = new QPushButton(mainGroup);
821 showSourceButton->setText(tr("Show Source"));
822#ifdef QT_OPENGL_SUPPORT
823 QPushButton *enableOpenGLButton = new QPushButton(mainGroup);
824 enableOpenGLButton->setText(tr("Use OpenGL"));
825 enableOpenGLButton->setCheckable(true);
826 enableOpenGLButton->setChecked(view->usesOpenGL());
827 if (!QGLFormat::hasOpenGL())
828 enableOpenGLButton->hide();
829#endif
830 QPushButton *whatsThisButton = new QPushButton(mainGroup);
831 whatsThisButton->setText(tr("What's This?"));
832 whatsThisButton->setCheckable(true);
833
834 QHBoxLayout *viewLayout = new QHBoxLayout(this);
835 viewLayout->addWidget(view);
836 viewLayout->addWidget(mainGroup);
837
838 QVBoxLayout *rotateGroupLayout = new QVBoxLayout(rotateGroup);
839 rotateGroupLayout->addWidget(rotateSlider);
840
841 QVBoxLayout *scaleGroupLayout = new QVBoxLayout(scaleGroup);
842 scaleGroupLayout->addWidget(scaleSlider);
843
844 QVBoxLayout *shearGroupLayout = new QVBoxLayout(shearGroup);
845 shearGroupLayout->addWidget(shearSlider);
846
847 QVBoxLayout *typeGroupLayout = new QVBoxLayout(typeGroup);
848 typeGroupLayout->addWidget(vectorType);
849 typeGroupLayout->addWidget(pixmapType);
850 typeGroupLayout->addWidget(textType);
851 typeGroupLayout->addSpacing(4);
852 typeGroupLayout->addWidget(textEditor);
853
854 QVBoxLayout *mainGroupLayout = new QVBoxLayout(mainGroup);
855 mainGroupLayout->addWidget(rotateGroup);
856 mainGroupLayout->addWidget(scaleGroup);
857 mainGroupLayout->addWidget(shearGroup);
858 mainGroupLayout->addWidget(typeGroup);
859 mainGroupLayout->addStretch(1);
860 mainGroupLayout->addWidget(resetButton);
861 mainGroupLayout->addWidget(animateButton);
862 mainGroupLayout->addWidget(showSourceButton);
863#ifdef QT_OPENGL_SUPPORT
864 mainGroupLayout->addWidget(enableOpenGLButton);
865#endif
866 mainGroupLayout->addWidget(whatsThisButton);
867
868 connect(rotateSlider, SIGNAL(valueChanged(int)), view, SLOT(changeRotation(int)));
869 connect(shearSlider, SIGNAL(valueChanged(int)), view, SLOT(changeShear(int)));
870 connect(scaleSlider, SIGNAL(valueChanged(int)), view, SLOT(changeScale(int)));
871
872 connect(vectorType, SIGNAL(clicked()), view, SLOT(setVectorType()));
873 connect(pixmapType, SIGNAL(clicked()), view, SLOT(setPixmapType()));
874 connect(textType, SIGNAL(clicked()), view, SLOT(setTextType()));
875 connect(textType, SIGNAL(toggled(bool)), textEditor, SLOT(setEnabled(bool)));
876 connect(textEditor, SIGNAL(textChanged(QString)), view, SLOT(setText(QString)));
877
878 connect(view, SIGNAL(rotationChanged(int)), rotateSlider, SLOT(setValue(int)));
879 connect(view, SIGNAL(scaleChanged(int)), scaleSlider, SLOT(setValue(int)));
880 connect(view, SIGNAL(shearChanged(int)), shearSlider, SLOT(setValue(int)));
881
882 connect(resetButton, SIGNAL(clicked()), view, SLOT(reset()));
883 connect(animateButton, SIGNAL(clicked(bool)), view, SLOT(setAnimation(bool)));
884 connect(whatsThisButton, SIGNAL(clicked(bool)), view, SLOT(setDescriptionEnabled(bool)));
885 connect(whatsThisButton, SIGNAL(clicked(bool)), view->hoverPoints(), SLOT(setDisabled(bool)));
886 connect(view, SIGNAL(descriptionEnabledChanged(bool)), view->hoverPoints(), SLOT(setDisabled(bool)));
887 connect(view, SIGNAL(descriptionEnabledChanged(bool)), whatsThisButton, SLOT(setChecked(bool)));
888 connect(showSourceButton, SIGNAL(clicked()), view, SLOT(showSource()));
889#ifdef QT_OPENGL_SUPPORT
890 connect(enableOpenGLButton, SIGNAL(clicked(bool)), view, SLOT(enableOpenGL(bool)));
891#endif
892 view->loadSourceFile(":res/affine/xform.cpp");
893 view->loadDescription(":res/affine/xform.html");
894
895 // defaults
896 view->reset();
897 vectorType->setChecked(true);
898 textEditor->setText("Qt Affine Transformation Demo");
899 textEditor->setEnabled(false);
900
901 animateButton->animateClick();
902}
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