source: trunk/demos/deform/pathdeform.cpp@ 5

Last change on this file since 5 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 20.1 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the demonstration applications of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** 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 are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "pathdeform.h"
43
44#include <QApplication>
45#include <QtDebug>
46#include <QMouseEvent>
47#include <QTimerEvent>
48#include <QLayout>
49#include <QLineEdit>
50#include <QPainter>
51#include <QSlider>
52#include <QLabel>
53#include <QDesktopWidget>
54#include <qmath.h>
55
56
57PathDeformControls::PathDeformControls(QWidget *parent, PathDeformRenderer* renderer, bool smallScreen)
58 : QWidget(parent)
59{
60 m_renderer = renderer;
61
62 if (smallScreen)
63 layoutForSmallScreen();
64 else
65 layoutForDesktop();
66}
67
68
69void PathDeformControls::layoutForDesktop()
70{
71 QGroupBox* mainGroup = new QGroupBox(this);
72 mainGroup->setTitle(tr("Controls"));
73
74 QGroupBox *radiusGroup = new QGroupBox(mainGroup);
75 radiusGroup->setTitle(tr("Lens Radius"));
76 QSlider *radiusSlider = new QSlider(Qt::Horizontal, radiusGroup);
77 radiusSlider->setRange(15, 150);
78 radiusSlider->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
79
80 QGroupBox *deformGroup = new QGroupBox(mainGroup);
81 deformGroup->setTitle(tr("Deformation"));
82 QSlider *deformSlider = new QSlider(Qt::Horizontal, deformGroup);
83 deformSlider->setRange(-100, 100);
84 deformSlider->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
85
86 QGroupBox *fontSizeGroup = new QGroupBox(mainGroup);
87 fontSizeGroup->setTitle(tr("Font Size"));
88 QSlider *fontSizeSlider = new QSlider(Qt::Horizontal, fontSizeGroup);
89 fontSizeSlider->setRange(16, 200);
90 fontSizeSlider->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
91
92 QGroupBox *textGroup = new QGroupBox(mainGroup);
93 textGroup->setTitle(tr("Text"));
94 QLineEdit *textInput = new QLineEdit(textGroup);
95
96 QPushButton *animateButton = new QPushButton(mainGroup);
97 animateButton->setText(tr("Animated"));
98 animateButton->setCheckable(true);
99
100 QPushButton *showSourceButton = new QPushButton(mainGroup);
101 showSourceButton->setText(tr("Show Source"));
102
103#ifdef QT_OPENGL_SUPPORT
104 QPushButton *enableOpenGLButton = new QPushButton(mainGroup);
105 enableOpenGLButton->setText(tr("Use OpenGL"));
106 enableOpenGLButton->setCheckable(true);
107 enableOpenGLButton->setChecked(m_renderer->usesOpenGL());
108 if (!QGLFormat::hasOpenGL())
109 enableOpenGLButton->hide();
110#endif
111
112 QPushButton *whatsThisButton = new QPushButton(mainGroup);
113 whatsThisButton->setText(tr("What's This?"));
114 whatsThisButton->setCheckable(true);
115
116
117 mainGroup->setFixedWidth(180);
118
119 QVBoxLayout *mainGroupLayout = new QVBoxLayout(mainGroup);
120 mainGroupLayout->addWidget(radiusGroup);
121 mainGroupLayout->addWidget(deformGroup);
122 mainGroupLayout->addWidget(fontSizeGroup);
123 mainGroupLayout->addWidget(textGroup);
124 mainGroupLayout->addWidget(animateButton);
125 mainGroupLayout->addStretch(1);
126#ifdef QT_OPENGL_SUPPORT
127 mainGroupLayout->addWidget(enableOpenGLButton);
128#endif
129 mainGroupLayout->addWidget(showSourceButton);
130 mainGroupLayout->addWidget(whatsThisButton);
131
132 QVBoxLayout *radiusGroupLayout = new QVBoxLayout(radiusGroup);
133 radiusGroupLayout->addWidget(radiusSlider);
134
135 QVBoxLayout *deformGroupLayout = new QVBoxLayout(deformGroup);
136 deformGroupLayout->addWidget(deformSlider);
137
138 QVBoxLayout *fontSizeGroupLayout = new QVBoxLayout(fontSizeGroup);
139 fontSizeGroupLayout->addWidget(fontSizeSlider);
140
141 QVBoxLayout *textGroupLayout = new QVBoxLayout(textGroup);
142 textGroupLayout->addWidget(textInput);
143
144 QVBoxLayout * mainLayout = new QVBoxLayout(this);
145 mainLayout->addWidget(mainGroup);
146 mainLayout->setMargin(0);
147
148 connect(radiusSlider, SIGNAL(valueChanged(int)), m_renderer, SLOT(setRadius(int)));
149 connect(deformSlider, SIGNAL(valueChanged(int)), m_renderer, SLOT(setIntensity(int)));
150 connect(fontSizeSlider, SIGNAL(valueChanged(int)), m_renderer, SLOT(setFontSize(int)));
151 connect(animateButton, SIGNAL(clicked(bool)), m_renderer, SLOT(setAnimated(bool)));
152#ifdef QT_OPENGL_SUPPORT
153 connect(enableOpenGLButton, SIGNAL(clicked(bool)), m_renderer, SLOT(enableOpenGL(bool)));
154#endif
155
156 connect(textInput, SIGNAL(textChanged(QString)), m_renderer, SLOT(setText(QString)));
157 connect(m_renderer, SIGNAL(descriptionEnabledChanged(bool)),
158 whatsThisButton, SLOT(setChecked(bool)));
159 connect(whatsThisButton, SIGNAL(clicked(bool)), m_renderer, SLOT(setDescriptionEnabled(bool)));
160 connect(showSourceButton, SIGNAL(clicked()), m_renderer, SLOT(showSource()));
161
162 animateButton->animateClick();
163 deformSlider->setValue(80);
164 fontSizeSlider->setValue(120);
165 radiusSlider->setValue(100);
166 textInput->setText(tr("Qt"));
167}
168
169void PathDeformControls::layoutForSmallScreen()
170{
171 QGroupBox* mainGroup = new QGroupBox(this);
172 mainGroup->setTitle(tr("Controls"));
173
174 QLabel *radiusLabel = new QLabel(mainGroup);
175 radiusLabel->setText(tr("Lens Radius:"));
176 QSlider *radiusSlider = new QSlider(Qt::Horizontal, mainGroup);
177 radiusSlider->setRange(15, 150);
178 radiusSlider->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
179
180 QLabel *deformLabel = new QLabel(mainGroup);
181 deformLabel->setText(tr("Deformation:"));
182 QSlider *deformSlider = new QSlider(Qt::Horizontal, mainGroup);
183 deformSlider->setRange(-100, 100);
184 deformSlider->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
185
186 QLabel *fontSizeLabel = new QLabel(mainGroup);
187 fontSizeLabel->setText(tr("Font Size:"));
188 QSlider *fontSizeSlider = new QSlider(Qt::Horizontal, mainGroup);
189 fontSizeSlider->setRange(16, 200);
190 fontSizeSlider->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
191
192 QPushButton *animateButton = new QPushButton(tr("Animated"), mainGroup);
193 animateButton->setCheckable(true);
194
195#ifdef QT_OPENGL_SUPPORT
196 QPushButton *enableOpenGLButton = new QPushButton(mainGroup);
197 enableOpenGLButton->setText(tr("Use OpenGL"));
198 enableOpenGLButton->setCheckable(mainGroup);
199 enableOpenGLButton->setChecked(m_renderer->usesOpenGL());
200 if (!QGLFormat::hasOpenGL())
201 enableOpenGLButton->hide();
202#endif
203
204 QPushButton *quitButton = new QPushButton(tr("Quit"), mainGroup);
205 QPushButton *okButton = new QPushButton(tr("OK"), mainGroup);
206
207
208 QGridLayout *mainGroupLayout = new QGridLayout(mainGroup);
209 mainGroupLayout->setMargin(0);
210 mainGroupLayout->addWidget(radiusLabel, 0, 0, Qt::AlignRight);
211 mainGroupLayout->addWidget(radiusSlider, 0, 1);
212 mainGroupLayout->addWidget(deformLabel, 1, 0, Qt::AlignRight);
213 mainGroupLayout->addWidget(deformSlider, 1, 1);
214 mainGroupLayout->addWidget(fontSizeLabel, 2, 0, Qt::AlignRight);
215 mainGroupLayout->addWidget(fontSizeSlider, 2, 1);
216 mainGroupLayout->addWidget(animateButton, 3,0, 1,2);
217#ifdef QT_OPENGL_SUPPORT
218 mainGroupLayout->addWidget(enableOpenGLButton, 4,0, 1,2);
219#endif
220
221 QVBoxLayout *mainLayout = new QVBoxLayout(this);
222 mainLayout->addWidget(mainGroup);
223 mainLayout->addStretch(1);
224 mainLayout->addWidget(okButton);
225 mainLayout->addWidget(quitButton);
226
227 connect(quitButton, SIGNAL(clicked()), this, SLOT(emitQuitSignal()));
228 connect(okButton, SIGNAL(clicked()), this, SLOT(emitOkSignal()));
229 connect(radiusSlider, SIGNAL(valueChanged(int)), m_renderer, SLOT(setRadius(int)));
230 connect(deformSlider, SIGNAL(valueChanged(int)), m_renderer, SLOT(setIntensity(int)));
231 connect(fontSizeSlider, SIGNAL(valueChanged(int)), m_renderer, SLOT(setFontSize(int)));
232 connect(animateButton, SIGNAL(clicked(bool)), m_renderer, SLOT(setAnimated(bool)));
233#ifdef QT_OPENGL_SUPPORT
234 connect(enableOpenGLButton, SIGNAL(clicked(bool)), m_renderer, SLOT(enableOpenGL(bool)));
235#endif
236
237
238 animateButton->animateClick();
239 deformSlider->setValue(80);
240 fontSizeSlider->setValue(120);
241
242 QRect screen_size = QApplication::desktop()->screenGeometry();
243 radiusSlider->setValue(qMin(screen_size.width(), screen_size.height())/5);
244 m_renderer->setText(tr("Qt"));
245}
246
247
248void PathDeformControls::emitQuitSignal()
249{ emit quitPressed(); }
250
251void PathDeformControls::emitOkSignal()
252{ emit okPressed(); }
253
254
255PathDeformWidget::PathDeformWidget(QWidget *parent, bool smallScreen)
256 : QWidget(parent)
257{
258 setWindowTitle(tr("Vector Deformation"));
259
260 m_renderer = new PathDeformRenderer(this, smallScreen);
261 m_renderer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
262
263 // Layouts
264 QHBoxLayout *mainLayout = new QHBoxLayout(this);
265 mainLayout->addWidget(m_renderer);
266
267 m_controls = new PathDeformControls(0, m_renderer, smallScreen);
268 m_controls->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Minimum);
269
270 if (!smallScreen)
271 mainLayout->addWidget(m_controls);
272
273 m_renderer->loadSourceFile(":res/deform/pathdeform.cpp");
274 m_renderer->loadDescription(":res/deform/pathdeform.html");
275 m_renderer->setDescriptionEnabled(false);
276
277 connect(m_renderer, SIGNAL(clicked()), this, SLOT(showControls()));
278 connect(m_controls, SIGNAL(okPressed()), this, SLOT(hideControls()));
279 connect(m_controls, SIGNAL(quitPressed()), QApplication::instance(), SLOT(quit()));
280}
281
282
283void PathDeformWidget::showControls()
284{
285 m_controls->showFullScreen();
286}
287
288void PathDeformWidget::hideControls()
289{
290 m_controls->hide();
291}
292
293void PathDeformWidget::setStyle( QStyle * style )
294{
295 QWidget::setStyle(style);
296 if (m_controls != 0)
297 {
298 m_controls->setStyle(style);
299
300 QList<QWidget *> widgets = qFindChildren<QWidget *>(m_controls);
301 foreach (QWidget *w, widgets)
302 w->setStyle(style);
303 }
304}
305
306static inline QRect circle_bounds(const QPointF &center, qreal radius, qreal compensation)
307{
308 return QRect(qRound(center.x() - radius - compensation),
309 qRound(center.y() - radius - compensation),
310 qRound((radius + compensation) * 2),
311 qRound((radius + compensation) * 2));
312
313}
314
315const int LENS_EXTENT = 10;
316
317PathDeformRenderer::PathDeformRenderer(QWidget *widget, bool smallScreen)
318 : ArthurFrame(widget)
319{
320 m_radius = 100;
321 m_pos = QPointF(m_radius, m_radius);
322 m_direction = QPointF(1, 1);
323 m_fontSize = 24;
324 m_animated = true;
325 m_repaintTimer.start(25, this);
326 m_repaintTracker.start();
327 m_intensity = 100;
328 m_smallScreen = smallScreen;
329
330// m_fpsTimer.start(1000, this);
331// m_fpsCounter = 0;
332
333 generateLensPixmap();
334}
335
336void PathDeformRenderer::setText(const QString &text)
337{
338 m_text = text;
339
340 QFont f("times new roman,utopia");
341 f.setStyleStrategy(QFont::ForceOutline);
342 f.setPointSize(m_fontSize);
343 f.setStyleHint(QFont::Times);
344
345 QFontMetrics fm(f);
346
347 m_paths.clear();
348 m_pathBounds = QRect();
349
350 QPointF advance(0, 0);
351
352 bool do_quick = true;
353 for (int i=0; i<text.size(); ++i) {
354 if (text.at(i).unicode() >= 0x4ff && text.at(i).unicode() <= 0x1e00) {
355 do_quick = false;
356 break;
357 }
358 }
359
360 if (do_quick) {
361 for (int i=0; i<text.size(); ++i) {
362 QPainterPath path;
363 path.addText(advance, f, text.mid(i, 1));
364 m_pathBounds |= path.boundingRect();
365 m_paths << path;
366 advance += QPointF(fm.width(text.mid(i, 1)), 0);
367 }
368 } else {
369 QPainterPath path;
370 path.addText(advance, f, text);
371 m_pathBounds |= path.boundingRect();
372 m_paths << path;
373 }
374
375 for (int i=0; i<m_paths.size(); ++i)
376 m_paths[i] = m_paths[i] * QMatrix(1, 0, 0, 1, -m_pathBounds.x(), -m_pathBounds.y());
377
378 update();
379}
380
381
382void PathDeformRenderer::generateLensPixmap()
383{
384 qreal rad = m_radius + LENS_EXTENT;
385
386 QRect bounds = circle_bounds(QPointF(), rad, 0);
387
388 QPainter painter;
389
390 if (preferImage()) {
391 m_lens_image = QImage(bounds.size(), QImage::Format_ARGB32_Premultiplied);
392 m_lens_image.fill(0);
393 painter.begin(&m_lens_image);
394 } else {
395 m_lens_pixmap = QPixmap(bounds.size());
396 m_lens_pixmap.fill(Qt::transparent);
397 painter.begin(&m_lens_pixmap);
398 }
399
400 QRadialGradient gr(rad, rad, rad, 3 * rad / 5, 3 * rad / 5);
401 gr.setColorAt(0.0, QColor(255, 255, 255, 191));
402 gr.setColorAt(0.2, QColor(255, 255, 127, 191));
403 gr.setColorAt(0.9, QColor(150, 150, 200, 63));
404 gr.setColorAt(0.95, QColor(0, 0, 0, 127));
405 gr.setColorAt(1, QColor(0, 0, 0, 0));
406 painter.setRenderHint(QPainter::Antialiasing);
407 painter.setBrush(gr);
408 painter.setPen(Qt::NoPen);
409 painter.drawEllipse(0, 0, bounds.width(), bounds.height());
410}
411
412
413void PathDeformRenderer::setAnimated(bool animated)
414{
415 m_animated = animated;
416
417 if (m_animated) {
418// m_fpsTimer.start(1000, this);
419// m_fpsCounter = 0;
420 m_repaintTimer.start(25, this);
421 m_repaintTracker.start();
422 } else {
423// m_fpsTimer.stop();
424 m_repaintTimer.stop();
425 }
426}
427
428void PathDeformRenderer::timerEvent(QTimerEvent *e)
429{
430
431 if (e->timerId() == m_repaintTimer.timerId()) {
432
433 if (QLineF(QPointF(0,0), m_direction).length() > 1)
434 m_direction *= 0.995;
435 qreal time = m_repaintTracker.restart();
436
437 QRect rectBefore = circle_bounds(m_pos, m_radius, m_fontSize);
438
439 qreal dx = m_direction.x();
440 qreal dy = m_direction.y();
441 if (time > 0) {
442 dx = dx * time * .1;
443 dy = dy * time * .1;
444 }
445
446 m_pos += QPointF(dx, dy);
447
448
449
450 if (m_pos.x() - m_radius < 0) {
451 m_direction.setX(-m_direction.x());
452 m_pos.setX(m_radius);
453 } else if (m_pos.x() + m_radius > width()) {
454 m_direction.setX(-m_direction.x());
455 m_pos.setX(width() - m_radius);
456 }
457
458 if (m_pos.y() - m_radius < 0) {
459 m_direction.setY(-m_direction.y());
460 m_pos.setY(m_radius);
461 } else if (m_pos.y() + m_radius > height()) {
462 m_direction.setY(-m_direction.y());
463 m_pos.setY(height() - m_radius);
464 }
465
466#ifdef QT_OPENGL_SUPPORT
467 if (usesOpenGL()) {
468 update();
469 } else
470#endif
471 {
472 QRect rectAfter = circle_bounds(m_pos, m_radius, m_fontSize);
473 update(rectAfter | rectBefore);
474 QApplication::syncX();
475 }
476 }
477// else if (e->timerId() == m_fpsTimer.timerId()) {
478// printf("fps: %d\n", m_fpsCounter);
479// emit frameRate(m_fpsCounter);
480// m_fpsCounter = 0;
481
482// }
483}
484
485void PathDeformRenderer::mousePressEvent(QMouseEvent *e)
486{
487 setDescriptionEnabled(false);
488
489 m_repaintTimer.stop();
490 m_offset = QPointF();
491 if (QLineF(m_pos, e->pos()).length() <= m_radius)
492 m_offset = m_pos - e->pos();
493
494 m_mousePress = e->pos();
495
496 // If we're not running in small screen mode, always assume we're dragging
497 m_mouseDrag = !m_smallScreen;
498
499 mouseMoveEvent(e);
500}
501
502void PathDeformRenderer::mouseReleaseEvent(QMouseEvent *e)
503{
504 if (e->buttons() == Qt::NoButton && m_animated) {
505 m_repaintTimer.start(10, this);
506 m_repaintTracker.start();
507 }
508
509 if (!m_mouseDrag && m_smallScreen)
510 emit clicked();
511}
512
513void PathDeformRenderer::mouseMoveEvent(QMouseEvent *e)
514{
515 if (!m_mouseDrag && (QLineF(m_mousePress, e->pos()).length() > 25.0) )
516 m_mouseDrag = true;
517
518 if (m_mouseDrag) {
519 QRect rectBefore = circle_bounds(m_pos, m_radius, m_fontSize);
520 if (e->type() == QEvent::MouseMove) {
521 QLineF line(m_pos, e->pos() + m_offset);
522 line.setLength(line.length() * .1);
523 QPointF dir(line.dx(), line.dy());
524 m_direction = (m_direction + dir) / 2;
525 }
526 m_pos = e->pos() + m_offset;
527#ifdef QT_OPENGL_SUPPORT
528 if (usesOpenGL()) {
529 update();
530 } else
531#endif
532 {
533 QRect rectAfter = circle_bounds(m_pos, m_radius, m_fontSize);
534 update(rectBefore | rectAfter);
535 }
536 }
537}
538
539QPainterPath PathDeformRenderer::lensDeform(const QPainterPath &source, const QPointF &offset)
540{
541 QPainterPath path;
542 path.addPath(source);
543
544 qreal flip = m_intensity / qreal(100);
545
546 for (int i=0; i<path.elementCount(); ++i) {
547 const QPainterPath::Element &e = path.elementAt(i);
548
549 qreal x = e.x + offset.x();
550 qreal y = e.y + offset.y();
551
552 qreal dx = x - m_pos.x();
553 qreal dy = y - m_pos.y();
554 qreal len = m_radius - qSqrt(dx * dx + dy * dy);
555
556 if (len > 0) {
557 path.setElementPositionAt(i,
558 x + flip * dx * len / m_radius,
559 y + flip * dy * len / m_radius);
560 } else {
561 path.setElementPositionAt(i, x, y);
562 }
563
564 }
565
566 return path;
567}
568
569
570void PathDeformRenderer::paint(QPainter *painter)
571{
572 int pad_x = 5;
573 int pad_y = 5;
574
575 int skip_x = qRound(m_pathBounds.width() + pad_x + m_fontSize/2);
576 int skip_y = qRound(m_pathBounds.height() + pad_y);
577
578 painter->setPen(Qt::NoPen);
579 painter->setBrush(Qt::black);
580
581 QRectF clip(painter->clipPath().boundingRect());
582
583 int overlap = pad_x / 2;
584
585 for (int start_y=0; start_y < height(); start_y += skip_y) {
586
587 if (start_y > clip.bottom())
588 break;
589
590 int start_x = -overlap;
591 for (; start_x < width(); start_x += skip_x) {
592
593 if (start_y + skip_y >= clip.top() &&
594 start_x + skip_x >= clip.left() &&
595 start_x <= clip.right()) {
596 for (int i=0; i<m_paths.size(); ++i) {
597 QPainterPath path = lensDeform(m_paths[i], QPointF(start_x, start_y));
598 painter->drawPath(path);
599 }
600 }
601 }
602 overlap = skip_x - (start_x - width());
603
604 }
605
606 if (preferImage()) {
607 painter->drawImage(m_pos - QPointF(m_radius + LENS_EXTENT, m_radius + LENS_EXTENT),
608 m_lens_image);
609 } else {
610 painter->drawPixmap(m_pos - QPointF(m_radius + LENS_EXTENT, m_radius + LENS_EXTENT),
611 m_lens_pixmap);
612 }
613}
614
615
616
617void PathDeformRenderer::setRadius(int radius)
618{
619 qreal max = qMax(m_radius, (qreal)radius);
620 m_radius = radius;
621 generateLensPixmap();
622 if (!m_animated || m_radius < max) {
623#ifdef QT_OPENGL_SUPPORT
624 if (usesOpenGL()) {
625 update();
626 } else
627#endif
628 {
629 update(circle_bounds(m_pos, max, m_fontSize));
630 }
631 }
632}
633
634void PathDeformRenderer::setIntensity(int intensity)
635{
636 m_intensity = intensity;
637 if (!m_animated) {
638#ifdef QT_OPENGL_SUPPORT
639 if (usesOpenGL()) {
640 update();
641 } else
642#endif
643 {
644 update(circle_bounds(m_pos, m_radius, m_fontSize));
645 }
646 }
647}
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