source: trunk/tools/qvfb/qvfbview.cpp

Last change on this file was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.
File size: 25.1 KB
RevLine 
[2]1/****************************************************************************
2**
[846]3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
[561]4** All rights reserved.
5** Contact: Nokia Corporation (qt-info@nokia.com)
[2]6**
7** This file is part of the tools 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**
[561]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.
[2]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**
[561]36** If you have questions regarding the use of this file, please contact
37** Nokia at qt-info@nokia.com.
[2]38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "qvfbview.h"
43#include "qvfbshmem.h"
44#include "qvfbmmap.h"
45
46#include "qanimationwriter.h"
47#include <QApplication>
48#include <QPainter>
49#include <QImage>
50#include <QBitmap>
51#include <QMatrix>
52#include <QPaintEvent>
53#include <QScrollArea>
54#include <QFile>
55#include <QDebug>
56
57#ifdef Q_WS_X11
58#include <QX11EmbedContainer>
59#include <QHBoxLayout>
60#endif
61
62#include <stdlib.h>
63#include <unistd.h>
64#include <sys/ipc.h>
65#include <sys/types.h>
66#include <sys/shm.h>
67#include <sys/stat.h>
68#include <sys/sem.h>
69#include <fcntl.h>
70#include <errno.h>
71#include <math.h>
72
73QT_BEGIN_NAMESPACE
74
75extern int qvfb_protocol;
76
77QVFbAbstractView::QVFbAbstractView( QWidget *parent )
78#ifdef QVFB_USE_GLWIDGET
79 : QGLWidget( parent )
80#else
81 : QWidget( parent )
82#endif
83{
84}
85
86QVFbAbstractView::~QVFbAbstractView()
87{
88}
89
90QVFbView::QVFbView(int id, int w, int h, int d, Rotation r, QWidget *parent)
91 : QVFbAbstractView(parent),
[561]92 viewdepth(d), viewFormat(DefaultFormat), rgb_swapped(0), rsh(0), gsh(0), bsh(0), rmax(15), gmax(15), bmax(15),
[2]93 contentsWidth(w), contentsHeight(h), gred(1.0), ggreen(1.0), gblue(1.0),
94 gammatable(0), refreshRate(30), animation(0),
95 hzm(0.0), vzm(0.0), mView(0),
96 emulateTouchscreen(false), emulateLcdScreen(false), rotation(r)
97#ifdef Q_WS_X11
98 , embedContainer(0)
99#endif
100{
101 switch(qvfb_protocol) {
102 default:
103 case 0:
104 mView = new QShMemViewProtocol(id, QSize(w, h), d, this);
105 break;
106 case 1:
107 mView = new QMMapViewProtocol(id, QSize(w, h), d, this);
108 break;
109 }
110
[561]111 connect(mView, SIGNAL(displayDataChanged(QRect)),
112 SLOT(refreshDisplay(QRect)));
[2]113#ifdef Q_WS_X11
114 connect(mView, SIGNAL(displayEmbedRequested(WId)),
115 this, SLOT(embedDisplay(WId)));
116#endif
117
118 setAttribute(Qt::WA_PaintOnScreen, viewFormat != ARGBFormat);
119 setMouseTracking(true);
120 setFocusPolicy(Qt::StrongFocus);
121 setAttribute(Qt::WA_NoSystemBackground);
122
123 setZoom(1.0,1.0);
124
125 setGamma(1.0,1.0,1.0);
126 mView->setRate(30);
127}
128
129QVFbView::~QVFbView()
130{
131 stopAnimation();
132 sendKeyboardData(0, 0, 0, true, false); // magic die key
133#ifdef Q_WS_X11
134 delete embedContainer;
135#endif
136}
137
138QSize QVFbView::sizeHint() const
139{
140 return QSize(contentsWidth, contentsHeight);
141}
142
143void QVFbView::setRate(int i)
144{
145 mView->setRate(i);
146}
147
148void QVFbView::setGamma(double gr, double gg, double gb)
149{
150 gred = gr; ggreen = gg; gblue = gb;
151
152 switch (viewdepth) {
153 case 12:
154 rsh = 12;
155 gsh = 7;
156 bsh = 1;
157 rmax = 15;
158 gmax = 15;
159 bmax = 15;
160 break;
161 case 15:
162 rsh = 10;
163 gsh = 5;
164 bsh = 0;
165 rmax = 31;
166 gmax = 31;
167 bmax = 31;
168 break;
169 case 16:
170 rsh = 11;
171 gsh = 5;
172 bsh = 0;
173 rmax = 31;
174 gmax = 63;
175 bmax = 31;
176 break;
177 case 18:
178 rsh = 12;
179 gsh = 6;
180 bsh = 0;
181 rmax = 63;
182 gmax = 63;
183 bmax = 63;
184 break;
185 case 24:
186 case 32:
187 rsh = 16;
188 gsh = 8;
189 bsh = 0;
190 rmax = 255;
191 gmax = 255;
192 bmax = 255;
193 }
194 int mm = qMax(rmax,qMax(gmax,bmax))+1;
195 if (gammatable)
196 delete [] gammatable;
197 gammatable = new QRgb[mm];
198 for (int i=0; i<mm; i++) {
199 int r = int(pow(i,gr)*255/rmax);
200 int g = int(pow(i,gg)*255/gmax);
201 int b = int(pow(i,gb)*255/bmax);
202 if (r > 255) r = 255;
203 if (g > 255) g = 255;
204 if (b > 255) b = 255;
205 gammatable[i] = qRgb(r,g,b);
206//qDebug("%d: %d,%d,%d",i,r,g,b);
207 }
208
209 mView->flushChanges();
210}
211
212void QVFbView::getGamma(int i, QRgb& rgb)
213{
214 if (i > 255) i = 255;
215 if (i < 0) i = 0;
216 rgb = qRgb(qRed(gammatable[i*rmax/255]),
217 qGreen(gammatable[i*rmax/255]),
218 qBlue(gammatable[i*rmax/255]));
219}
220
221int QVFbView::displayId() const
222{
223 return mView->id();
224}
225
226int QVFbView::displayWidth() const
227{
228 return mView->width();
229}
230
231int QVFbView::displayHeight() const
232{
233 return mView->height();
234}
235
236int QVFbView::displayDepth() const
237{
238 return viewdepth;
239}
240
241QVFbView::PixelFormat QVFbView::displayFormat() const
242{
243 return viewFormat;
244}
245
246QVFbView::Rotation QVFbView::displayRotation() const
247{
248 return rotation;
249}
250
251void QVFbView::setZoom(double hz, double vz)
252{
253 if (hzm != hz || vzm != vz) {
254 hzm = hz;
255 vzm = vz;
256 mView->flushChanges();
257
258 contentsWidth = int(displayWidth()*hz);
259 contentsHeight = int(displayHeight()*vz);
260 if (rotation & 1)
261 qSwap(contentsWidth,contentsHeight);
262 resize(contentsWidth, contentsHeight);
263
264 if (isVisible()) {
265 updateGeometry();
266 qApp->sendPostedEvents();
267 topLevelWidget()->adjustSize();
268 update();
269 }
270 }
271}
272
273void QVFbView::setRotation(QVFbView::Rotation r)
274{
275 rotation = r;
276 // Force update...
277 double ohzm = hzm;
278 hzm=0.0;
279 setZoom(ohzm,vzm);
280}
281
282static QRect mapToDevice(const QRect &r, const QSize &s, QVFbView::Rotation rotation)
283{
284 int x1 = r.x();
285 int y1 = r.y();
286 int x2 = r.right();
287 int y2 = r.bottom();
288 int w = s.width();
289 int h = s.height();
290 switch (rotation) {
291 case QVFbView::Rot90:
292 return QRect(
293 QPoint(y1, w - x1),
294 QPoint(y2, w - x2)).normalized();
295 case QVFbView::Rot180:
296 return QRect(
297 QPoint(w - x1, h - y1),
298 QPoint(w - x2, h - y2)).normalized();
299 case QVFbView::Rot270:
300 return QRect(
301 QPoint(h - y1, x1),
302 QPoint(h - y2, x2)).normalized();
303 default:
304 break;
305 }
306 return r;
307}
308
309static QRect mapFromDevice(const QRect &r, const QSize &s, QVFbView::Rotation rotation)
310{
311 return mapToDevice(r,s,QVFbView::Rotation(4-(int)rotation));
312}
313
314void QVFbView::sendMouseData(const QPoint &pos, int buttons, int wheel)
315{
316 QPoint p = mapToDevice(QRect(pos,QSize(1,1)), QSize(int(width()/hzm), int(height()/vzm)), rotation).topLeft();
317 mView->sendMouseData(p, buttons, wheel);
318}
319
320void QVFbView::sendKeyboardData(QString unicode, int keycode, int modifiers,
321 bool press, bool repeat)
322{
323 mView->sendKeyboardData(unicode, keycode, modifiers, press, repeat);
324}
325
326void QVFbView::refreshDisplay(const QRect &r)
327{
328 if (animation) {
329 if (r.isEmpty()) {
330 animation->appendBlankFrame();
331 } else {
332 int l;
333 QImage img = getBuffer(r, l);
334 animation->appendFrame(img,QPoint(r.x(),r.y()));
335 }
336 }
337 if (!r.isNull()) {
338 if (hzm == 1.0 && vzm == 1.0) // hw: workaround for 4.3.1
339 update(mapFromDevice(r, QSize(displayWidth(), displayHeight()), rotation));
340 else
341 update();
342 }
343}
344
345static void dim(QRgb* rgb, int n, int brightness)
346{
347 uchar* b = (uchar*)rgb;
348#if Q_BYTE_ORDER == Q_BIG_ENDIAN
349 b++;
350#endif
351 while (n--) {
352 b[0] = (uint)b[0] * brightness / 255;
353 b[1] = (uint)b[1] * brightness / 255;
354 b[2] = (uint)b[2] * brightness / 255;
355 b += 4;
356 }
357}
358
359QImage QVFbView::getBuffer(const QRect &r, int &leading) const
360{
361 const int brightness = mView->brightness();
362 if ( brightness == 0 ) {
363 QImage img(r.size(),QImage::Format_RGB32);
364 img.fill(0);
365 leading = 0;
366 return img;
367 }
368
369 static QByteArray buffer;
370
371 const int requiredSize = r.width() * r.height() * 4;
372
373 QImage img;
374 leading = 0;
375
376 switch (viewdepth) {
377 case 1: {
378 if (requiredSize > buffer.size())
379 buffer.resize(requiredSize);
380
381 // XXX: hw: replace by drawhelper functionality
382
383 const int pixelsPerByte = 8;
384 quint8 *src = reinterpret_cast<quint8*>(mView->data())
385 + r.y() * mView->linestep() + r.x() / pixelsPerByte;
386 const int align = qMin(r.width(), (8 - (r.x() & 7)) & 7);
387 const int doAlign = (align > 0 ? 1 : 0);
388 const int tail = qMin(r.width(), (r.width() - align) & 7);
389 const int doTail = (tail > 0 ? 1 : 0);
390 const int width8 = (r.width() - align) / pixelsPerByte;
391 const int stride = mView->linestep() - (width8 + doAlign);
392
393 uchar *b = reinterpret_cast<uchar*>(buffer.data());
394 img = QImage(b, r.width(), r.height(), QImage::Format_RGB32);
395 for (int y = 0; y < r.height(); ++y) {
396 quint32 *dest = reinterpret_cast<quint32*>(img.scanLine(y));
397 quint8 c;
398
399 if (doAlign) {
400 switch (align) {
401 case 7: c = ((*src & 0x40) >> 6) * 0xff;
402 *dest++ = qRgb(c, c, c);
403 case 6: c = ((*src & 0x20) >> 5) * 0xff;
404 *dest++ = qRgb(c, c, c);
405 case 5: c = ((*src & 0x10) >> 4) * 0xff;
406 *dest++ = qRgb(c, c, c);
407 case 4: c = ((*src & 0x08) >> 3) * 0xff;
408 *dest++ = qRgb(c, c, c);
409 case 3: c = ((*src & 0x04) >> 2) * 0xff;
410 *dest++ = qRgb(c, c, c);
411 case 2: c = ((*src & 0x02) >> 1) * 0xff;
412 *dest++ = qRgb(c, c, c);
413 case 1: c = ((*src & 0x01)) * 0xff;
414 *dest++ = qRgb(c, c, c);
415 }
416 ++src;
417 }
418 for (int i = 0; i < width8; ++i) {
419 c = ((*src & 0x80) >> 7) * 0xff;
420 *dest++ = qRgb(c, c, c);
421 c = ((*src & 0x40) >> 6) * 0xff;
422 *dest++ = qRgb(c, c, c);
423 c = ((*src & 0x20) >> 5) * 0xff;
424 *dest++ = qRgb(c, c, c);
425 c = ((*src & 0x10) >> 4) * 0xff;
426 *dest++ = qRgb(c, c, c);
427 c = ((*src & 0x08) >> 3) * 0xff;
428 *dest++ = qRgb(c, c, c);
429 c = ((*src & 0x04) >> 2) * 0xff;
430 *dest++ = qRgb(c, c, c);
431 c = ((*src & 0x02) >> 1) * 0xff;
432 *dest++ = qRgb(c, c, c);
433 c = ((*src & 0x01)) * 0xff;
434 *dest++ = qRgb(c, c, c);
435
436 ++src;
437 }
438 if (doTail) {
439 switch (tail) {
440 case 7: c = ((*src & 0x02) >> 1) * 0xff;
441 dest[6] = qRgb(c, c, c);
442 case 6: c = ((*src & 0x04) >> 2) * 0xff;
443 dest[5] = qRgb(c, c, c);
444 case 5: c = ((*src & 0x08) >> 3) * 0xff;
445 dest[4] = qRgb(c, c, c);
446 case 4: c = ((*src & 0x10) >> 4) * 0xff;
447 dest[3] = qRgb(c, c, c);
448 case 3: c = ((*src & 0x20) >> 5) * 0xff;
449 dest[2] = qRgb(c, c, c);
450 case 2: c = ((*src & 0x40) >> 6) * 0xff;
451 dest[1] = qRgb(c, c, c);
452 case 1: c = ((*src & 0x80) >> 7) * 0xff;
453 dest[0] = qRgb(c, c, c);
454 }
455 }
456 src += stride;
457 }
458 break;
459 }
[561]460
461 case 2: {
462 if (requiredSize > buffer.size())
463 buffer.resize(requiredSize);
464
465 // XXX: hw: replace by drawhelper functionality
466
467 const int pixelsPerByte = 4;
468 quint8 *src = reinterpret_cast<quint8*>(mView->data())
469 + r.y() * mView->linestep() + r.x() / pixelsPerByte;
470 const int align = qMin(r.width(), (4 - (r.x() & 3)) & 3);
471 const int doAlign = (align > 0 ? 1 : 0);
472 const int tail = qMin(r.width(), (r.width() - align) & 3);
473 const int doTail = (tail > 0 ? 1 : 0);
474 const int width8 = (r.width() - align) / pixelsPerByte;
475 const int stride = mView->linestep() - (width8 + doAlign);
476
477 uchar *b = reinterpret_cast<uchar*>(buffer.data());
478 img = QImage(b, r.width(), r.height(), QImage::Format_RGB32);
479 for (int y = 0; y < r.height(); ++y) {
480 quint32 *dest = reinterpret_cast<quint32*>(img.scanLine(y));
481 quint8 c;
482
483 if (doAlign) {
484 switch (align) {
485 case 3: c = ((*src & 0x30) >> 4) * 0x55;
486 *dest++ = qRgb(c, c, c);
487 case 2: c = ((*src & 0x0c) >> 2) * 0x55;
488 *dest++ = qRgb(c, c, c);
489 case 1: c = ((*src & 0x03)) * 0x55;
490 *dest++ = qRgb(c, c, c);
491 }
492 ++src;
493 }
494 for (int i = 0; i < width8; ++i) {
495 c = ((*src & 0xc0) >> 6) * 0x55;
496 *dest++ = qRgb(c, c, c);
497 c = ((*src & 0x30) >> 4) * 0x55;
498 *dest++ = qRgb(c, c, c);
499 c = ((*src & 0x0c) >> 2) * 0x55;
500 *dest++ = qRgb(c, c, c);
501 c = ((*src & 0x03)) * 0x55;
502 *dest++ = qRgb(c, c, c);
503
504 ++src;
505 }
506 if (doTail) {
507 switch (tail) {
508 case 3: c = ((*src & 0x0c) >> 2) * 0x55;
509 dest[2] = qRgb(c, c, c);
510 case 2: c = ((*src & 0x30) >> 4) * 0x55;
511 dest[1] = qRgb(c, c, c);
512 case 1: c = ((*src & 0xc0) >> 6) * 0x55;
513 dest[0] = qRgb(c, c, c);
514 }
515 }
516 src += stride;
517 }
518 break;
519 }
520
[2]521 case 4: {
522 if (requiredSize > buffer.size())
523 buffer.resize(requiredSize);
524
525 // XXX: hw: replace by drawhelper functionality
526
527 const int pixelsPerByte = 2;
528 const int doAlign = r.x() & 1;
529 const int doTail = (r.width() - doAlign) & 1;
530 const int width8 = (r.width() - doAlign) / pixelsPerByte;
531
532 uchar *b = reinterpret_cast<uchar*>(buffer.data());
533 img = QImage(b, r.width(), r.height(), QImage::Format_RGB32);
534 for (int y = 0; y < r.height(); ++y) {
535 const quint8 *sptr = mView->data()
536 + (r.y() + y) * mView->linestep()
537 + r.x() / pixelsPerByte;
538 quint32 *dptr = reinterpret_cast<quint32*>(img.scanLine(y));
539
540 if (doAlign) {
541 quint8 c = (*sptr++ & 0x0f);
542 c |= (c << 4);
543 *dptr++ = qRgb(c, c, c);
544 }
545
546 for (int i = 0; i < width8; ++i) {
547 quint8 c1 = (*sptr >> 4);
548 quint8 c2 = (*sptr & 0x0f);
549 c1 |= (c1 << 4);
550 c2 |= (c2 << 4);
551 *dptr++ = qRgb(c1, c1, c1);
552 *dptr++ = qRgb(c2, c2, c2);
553 ++sptr;
554 }
555
556 if (doTail) {
557 quint8 c = *sptr >> 4;
558 c |= (c << 4);
559 *dptr = qRgb(c, c, c);
560 }
561 }
562 break;
563 }
564 case 12:
565 img = QImage((const uchar*)(mView->data() + r.y() * mView->linestep() + r.x() * 2),
566 r.width(), r.height(), mView->linestep(),
567 QImage::Format_RGB444);
568 break;
569 case 15:
570 img = QImage((const uchar*)(mView->data() + r.y() * mView->linestep() + r.x() * 2),
571 r.width(), r.height(), mView->linestep(),
572 QImage::Format_RGB555);
573 break;
574 case 16:
575 img = QImage((const uchar*)(mView->data() + r.y() * mView->linestep() + r.x() * 2),
576 r.width(), r.height(), mView->linestep(),
577 QImage::Format_RGB16);
578 break;
579 case 18:
580 img = QImage((const uchar*)(mView->data() + r.y() * mView->linestep() + r.x() * 3),
581 r.width(), r.height(), mView->linestep(),
582 QImage::Format_RGB666);
583 break;
584 case 24:
585 img = QImage((const uchar*)(mView->data() + r.y() * mView->linestep() + r.x() * 3),
586 r.width(), r.height(), mView->linestep(),
587 QImage::Format_RGB888);
588 break;
589 case 32:
590 img = QImage((const uchar*)(mView->data() + r.y() * mView->linestep() + r.x() * 4),
591 r.width(), r.height(), mView->linestep(),
592 viewFormat == ARGBFormat ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32);
593 break;
594 case 8:
595 img = QImage(mView->data() + r.y() * mView->linestep() + r.x(),
596 r.width(), r.height(), mView->linestep(),
597 QImage::Format_Indexed8);
598 img.setColorTable(mView->clut());
[561]599 if (img.colorCount() <= 0)
[2]600 img = QImage();
601 break;
602 }
603
[561]604 if (rgb_swapped)
605 img = img.rgbSwapped();
606
[2]607 if ( brightness != 255 ) {
608 if (img.format() == QImage::Format_Indexed8) {
609 QVector<QRgb> c = img.colorTable();
610 dim(c.data(),c.count(),brightness);
611 img.setColorTable(c);
612 } else {
613 if ( img.format() != QImage::Format_ARGB32_Premultiplied )
614 img = img.convertToFormat(QImage::Format_RGB32);
615
[561]616 // NOTE: calling bits() may change byteCount(), so do not
[2]617 // pass them as parameters (which are evaluated right-to-left).
618 QRgb *b = (QRgb*)img.bits();
[561]619 int n = img.byteCount()/4;
[2]620 dim(b,n,brightness);
621 }
622 }
623
624 return img;
625}
626
627static int findMultiple(int start, double m, int limit, int step)
628{
629 int r = start;
630 while (r != limit) {
631 if (int(int(r * m)/m) == r)
632 break;
633 r += step;
634 }
635 return r;
636}
637
638void QVFbView::drawScreen(const QRect &rect)
639{
640 QRect r = QRect(0, 0, mView->width(), mView->height());
641
642 if (hzm == 1.0 && vzm == 1.0) // hw: workaround for 4.3.1
643 r &= rect;
644
645 if (int(hzm) != hzm || int(vzm) != vzm) {
646 r.setLeft(findMultiple(r.left(),hzm,0,-1));
647 r.setTop(findMultiple(r.top(),vzm,0,-1));
648 int w = findMultiple(r.width(),hzm,mView->width(),1);
649 int h = findMultiple(r.height(),vzm,mView->height(),1);
650 r.setRight(r.left()+w-1);
651 r.setBottom(r.top()+h-1);
652 }
653
654 int leading;
655 const QImage img = getBuffer(r, leading);
656
657 QPixmap pm;
658 if (hzm == 1.0 && vzm == 1.0) {
659 pm = QPixmap::fromImage(img);
660 } else if (emulateLcdScreen && hzm == 3.0 && vzm == 3.0) {
661 QImage img2(img.width()*3, img.height(), QImage::Format_RGB32);
662 for (int row = 0; row < img2.height(); row++) {
663 QRgb *dptr = (QRgb*)img2.scanLine(row);
664 QRgb *sptr = (QRgb*)img.scanLine(row);
665 for (int col = 0; col < img.width(); col++) {
666 QRgb s = *sptr++;
667 *dptr++ = qRgb(qRed(s),0,0);
668 *dptr++ = qRgb(0,qGreen(s),0);
669 *dptr++ = qRgb(0,0,qBlue(s));
670 }
671 }
672 QMatrix m;
673 m.scale(1.0, 3.0);
674 pm = QPixmap::fromImage(img2);
675 pm = pm.transformed(m);
676 } else if (int(hzm) == hzm && int(vzm) == vzm) {
677 QMatrix m;
678 m.scale(hzm,vzm);
679 pm = QPixmap::fromImage(img);
680 pm = pm.transformed(m);
681 } else {
682 pm = QPixmap::fromImage(img.scaled(int(img.width()*hzm),int(img.height()*vzm), Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
683 }
684
685 int x1 = r.x();
686 int y1 = r.y();
687 int leadingX = leading;
688 int leadingY = 0;
689
690 // Do the rotation thing
691 int rotX1 = mView->width() - x1 - img.width();
692 int rotY1 = mView->height() - y1 - img.height();
693 int rotLeadingX = (leading) ? mView->width() - leadingX - img.width() : 0;
694 int rotLeadingY = 0;
695 switch (rotation) {
696 case Rot0:
697 break;
698 case Rot90:
699 leadingY = leadingX;
700 leadingX = rotLeadingY;
701 y1 = x1;
702 x1 = rotY1;
703 break;
704 case Rot180:
705 leadingX = rotLeadingX;
706 leadingY = leadingY;
707 x1 = rotX1;
708 y1 = rotY1;
709 break;
710 case Rot270:
711 leadingX = leadingY;
712 leadingY = rotLeadingX;
713 x1 = y1;
714 y1 = rotX1;
715 break;
716 default:
717 break;
718 }
719 x1 = int(x1*hzm);
720 y1 = int(y1*vzm);
721 leadingX = int(leadingX*hzm);
722 leadingY = int(leadingY*vzm);
723 if (rotation != 0) {
724 QMatrix m;
725 m.rotate(rotation * 90.0);
726 pm = pm.transformed(m);
727 }
728
729 QPainter p(this);
730 if (viewFormat == ARGBFormat) {
731 QPixmap bg(":/res/images/logo-nt.png");
732 p.fillRect(x1,y1,pm.width(), pm.height(), QBrush(bg));
733 }
734 p.drawPixmap(x1, y1, pm, leadingX, leadingY, pm.width(), pm.height());
735}
736
737//bool QVFbView::eventFilter(QObject *obj, QEvent *e)
738//{
739// if (obj == this &&
740// (e->type() == QEvent::FocusIn || e->type() == QEvent::FocusOut))
741// return true;
742//
743// return QWidgetView::eventFilter(obj, e);
744//}
745
746void QVFbView::paintEvent(QPaintEvent *e)
747{
748 drawScreen(mapToDevice(e->rect(),QSize(int(width()/hzm), int(height()/vzm)),rotation));
749}
750
751void QVFbView::mousePressEvent(QMouseEvent *e)
752{
753 sendMouseData(QPoint(int(e->x()/hzm),int(e->y()/vzm)), e->buttons(), 0);
754}
755
756void QVFbView::contextMenuEvent(QContextMenuEvent*)
757{
758
759}
760
761void QVFbView::mouseDoubleClickEvent(QMouseEvent *e)
762{
763 sendMouseData(QPoint(int(e->x()/hzm),int(e->y()/vzm)), e->buttons(), 0);
764}
765
766void QVFbView::mouseReleaseEvent(QMouseEvent *e)
767{
768 sendMouseData(QPoint(int(e->x()/hzm),int(e->y()/vzm)), e->buttons(), 0);
769}
770
771void QVFbView::skinMouseEvent(QMouseEvent *e)
772{
773 sendMouseData(QPoint(int(e->x()/hzm),int(e->y()/vzm)), e->buttons(), 0);
774}
775
776void QVFbView::mouseMoveEvent(QMouseEvent *e)
777{
778 if (!emulateTouchscreen || (e->buttons() & Qt::MouseButtonMask))
779 sendMouseData(QPoint(int(e->x()/hzm),int(e->y()/vzm)), e->buttons(), 0);
780}
781
782void QVFbView::wheelEvent(QWheelEvent *e)
783{
784 if (!e)
785 return;
786 sendMouseData(QPoint(int(e->x()/hzm),int(e->y()/vzm)), e->buttons(), e->delta());
787}
788
789void QVFbView::setTouchscreenEmulation(bool b)
790{
791 emulateTouchscreen = b;
792}
793
794void QVFbView::setLcdScreenEmulation(bool b)
795{
796 emulateLcdScreen = b;
797}
798
799void QVFbView::setViewFormat(PixelFormat f)
800{
801 if (viewFormat == f)
802 return;
803 viewFormat = f;
804 setAttribute(Qt::WA_PaintOnScreen, viewFormat != ARGBFormat);
805}
806
807#ifdef Q_WS_X11
808void QVFbView::embedDisplay(WId windowId)
809{
810 if (windowId == 0) {
811 delete embedContainer;
812 embedContainer = 0;
813 return;
814 }
815
816 if (!embedContainer) {
817 embedContainer = new QX11EmbedContainer(this);
818 embedContainer->setGeometry(rect());
819 embedContainer->show();
820 }
821 embedContainer->embedClient(windowId);
822}
823#endif
824
825bool QVFbView::event(QEvent *e)
826{
827 if (e->type() == QEvent::KeyPress || e->type() == QEvent::KeyRelease) {
828 QKeyEvent *ke = static_cast<QKeyEvent*>(e);
829 sendKeyboardData(ke->text(), ke->key(),
830 ke->modifiers()&(Qt::ShiftModifier|Qt::ControlModifier|Qt::AltModifier),
831 ke->type() == QEvent::KeyPress, ke->isAutoRepeat());
832 ke->accept();
833 return true;
834 }
835 return QVFbAbstractView::event(e);
836}
837
838void QVFbView::keyPressEvent(QKeyEvent *e)
839{
840 sendKeyboardData(e->text(), e->key(),
841 e->modifiers()&(Qt::ShiftModifier|Qt::ControlModifier|Qt::AltModifier),
842 true, e->isAutoRepeat());
843}
844
845void QVFbView::keyReleaseEvent(QKeyEvent *e)
846{
847 sendKeyboardData(e->text(), e->key(),
848 e->modifiers()&(Qt::ShiftModifier|Qt::ControlModifier|Qt::AltModifier),
849 false, e->isAutoRepeat());
850}
851
852
853QImage QVFbView::image() const
854{
855 int l;
856 QImage r = getBuffer(QRect(0, 0, mView->width(), mView->height()), l).copy();
857 return r;
858}
859
860void QVFbView::startAnimation(const QString& filename)
861{
862 delete animation;
863 animation = new QAnimationWriter(filename,"MNG");
864 animation->setFrameRate(refreshRate);
865 animation->appendFrame(QImage(mView->data(),
866 mView->width(), mView->height(), QImage::Format_RGB32));
867}
868
869void QVFbView::stopAnimation()
870{
871 delete animation;
872 animation = 0;
873}
874
875
876void QVFbView::skinKeyPressEvent(int code, const QString& text, bool autorep)
877{
878 QKeyEvent e(QEvent::KeyPress,code,0,text,autorep);
879 keyPressEvent(&e);
880}
881
882void QVFbView::skinKeyReleaseEvent(int code, const QString& text, bool autorep)
883{
884 QKeyEvent e(QEvent::KeyRelease,code,0,text,autorep);
885 keyReleaseEvent(&e);
886}
887
888QT_END_NAMESPACE
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