1 /***************************************************************************
2 geomeytrval.cpp - description
5 copyright : (C) 2008 by Marco Gittler
6 email : g.marco@freenet.de
7 ***************************************************************************/
9 /***************************************************************************
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 ***************************************************************************/
20 #include <QGraphicsView>
21 #include <QVBoxLayout>
22 #include <QGraphicsScene>
23 #include <QGraphicsRectItem>
24 #include <QMouseEvent>
29 #include "graphicsscenerectmove.h"
30 #include "geometryval.h"
32 Geometryval::Geometryval(const MltVideoProfile profile, QWidget* parent): QWidget(parent), m_profile(profile) {
34 QVBoxLayout* vbox = new QVBoxLayout(ui.widget);
35 QGraphicsView *view = new QGraphicsView(this);
36 view->setBackgroundBrush(QBrush(Qt::black));
37 vbox->addWidget(view);
38 vbox->setContentsMargins(0, 0, 0, 0);
40 QVBoxLayout* vbox2 = new QVBoxLayout(ui.keyframeWidget);
41 m_helper = new KeyframeHelper(this);
42 vbox2->addWidget(m_helper);
43 vbox2->setContentsMargins(0, 0, 0, 0);
45 connect(m_helper, SIGNAL(positionChanged(int)), this, SLOT(slotPositionChanged(int)));
47 scene = new GraphicsSceneRectMove(this);
48 scene->setTool(TITLE_SELECT);
49 view->setScene(scene);
50 double aspect = (double) profile.sample_aspect_num / profile.sample_aspect_den * profile.width / profile.height;
51 QGraphicsRectItem *m_frameBorder = new QGraphicsRectItem(QRectF(0, 0, profile.width, profile.height));
52 m_frameBorder->setZValue(-1100);
53 m_frameBorder->setBrush(QColor(255, 255, 0, 30));
54 m_frameBorder->setPen(QPen(QBrush(QColor(255, 255, 255, 255)), 1.0, Qt::DashLine));
55 scene->addItem(m_frameBorder);
57 ui.buttonNext->setIcon(KIcon("media-skip-forward"));
58 ui.buttonNext->setToolTip(i18n("Go to next keyframe"));
59 ui.buttonPrevious->setIcon(KIcon("media-skip-backward"));
60 ui.buttonPrevious->setToolTip(i18n("Go to previous keyframe"));
61 ui.buttonAdd->setIcon(KIcon("document-new"));
62 ui.buttonAdd->setToolTip(i18n("Add keyframe"));
63 ui.buttonDelete->setIcon(KIcon("edit-delete"));
64 ui.buttonDelete->setToolTip(i18n("Delete keyframe"));
66 QMenu *configMenu = new QMenu(i18n("Misc..."), this);
67 ui.buttonMenu->setIcon(KIcon("system-run"));
68 ui.buttonMenu->setMenu(configMenu);
69 ui.buttonMenu->setPopupMode(QToolButton::QToolButton::InstantPopup);
72 m_scaleMenu = new QMenu(i18n("Resize..."), this);
73 configMenu->addMenu(m_scaleMenu);
74 m_scaleMenu->addAction(i18n("50%"), this, SLOT(slotResize50()));
75 m_scaleMenu->addAction(i18n("100%"), this, SLOT(slotResize100()));
76 m_scaleMenu->addAction(i18n("200%"), this, SLOT(slotResize200()));
79 m_alignMenu = new QMenu(i18n("Align..."), this);
80 configMenu->addMenu(m_alignMenu);
81 m_alignMenu->addAction(i18n("Center"), this, SLOT(slotAlignCenter()));
82 m_alignMenu->addAction(i18n("Hor. Center"), this, SLOT(slotAlignHCenter()));
83 m_alignMenu->addAction(i18n("Vert. Center"), this, SLOT(slotAlignVCenter()));
84 m_alignMenu->addAction(i18n("Right"), this, SLOT(slotAlignRight()));
85 m_alignMenu->addAction(i18n("Left"), this, SLOT(slotAlignLeft()));
86 m_alignMenu->addAction(i18n("Top"), this, SLOT(slotAlignTop()));
87 m_alignMenu->addAction(i18n("Bottom"), this, SLOT(slotAlignBottom()));
89 //scene->setSceneRect(0, 0, profile.width * 2, profile.height * 2);
90 //view->fitInView(m_frameBorder, Qt::KeepAspectRatio);
91 const double sc = 100.0 / profile.height * 0.8;
92 QRectF srect = view->sceneRect();
93 view->setSceneRect(srect.x(), -srect.height() / 2, srect.width(), srect.height() * 2);
95 view->centerOn(m_frameBorder);
96 connect(ui.buttonNext , SIGNAL(clicked()) , this , SLOT(slotNextFrame()));
97 connect(ui.buttonPrevious , SIGNAL(clicked()) , this , SLOT(slotPreviousFrame()));
98 connect(ui.buttonDelete , SIGNAL(clicked()) , this , SLOT(slotDeleteFrame()));
99 connect(ui.buttonAdd , SIGNAL(clicked()) , this , SLOT(slotAddFrame()));
102 void Geometryval::slotAlignCenter() {
103 int pos = ui.spinPos->value();
104 Mlt::GeometryItem item;
105 int error = m_geom->fetch(&item, pos);
106 if (error || item.key() == false) {
107 // no keyframe under cursor
110 paramRect->setPos((m_profile.width - paramRect->rect().width()) / 2, (m_profile.height - paramRect->rect().height()) / 2);
111 slotUpdateTransitionProperties();
114 void Geometryval::slotAlignHCenter() {
115 int pos = ui.spinPos->value();
116 Mlt::GeometryItem item;
117 int error = m_geom->fetch(&item, pos);
118 if (error || item.key() == false) {
119 // no keyframe under cursor
122 paramRect->setPos((m_profile.width - paramRect->rect().width()) / 2, paramRect->pos().y());
123 slotUpdateTransitionProperties();
126 void Geometryval::slotAlignVCenter() {
127 int pos = ui.spinPos->value();
128 Mlt::GeometryItem item;
129 int error = m_geom->fetch(&item, pos);
130 if (error || item.key() == false) {
131 // no keyframe under cursor
134 paramRect->setPos(paramRect->pos().x(), (m_profile.height - paramRect->rect().height()) / 2);
135 slotUpdateTransitionProperties();
138 void Geometryval::slotAlignTop() {
139 int pos = ui.spinPos->value();
140 Mlt::GeometryItem item;
141 int error = m_geom->fetch(&item, pos);
142 if (error || item.key() == false) {
143 // no keyframe under cursor
146 paramRect->setPos(paramRect->pos().x(), 0);
147 slotUpdateTransitionProperties();
150 void Geometryval::slotAlignBottom() {
151 int pos = ui.spinPos->value();
152 Mlt::GeometryItem item;
153 int error = m_geom->fetch(&item, pos);
154 if (error || item.key() == false) {
155 // no keyframe under cursor
158 paramRect->setPos(paramRect->pos().x(), m_profile.height - paramRect->rect().height());
159 slotUpdateTransitionProperties();
162 void Geometryval::slotAlignLeft() {
163 int pos = ui.spinPos->value();
164 Mlt::GeometryItem item;
165 int error = m_geom->fetch(&item, pos);
166 if (error || item.key() == false) {
167 // no keyframe under cursor
170 paramRect->setPos(0, paramRect->pos().y());
171 slotUpdateTransitionProperties();
174 void Geometryval::slotAlignRight() {
175 int pos = ui.spinPos->value();
176 Mlt::GeometryItem item;
177 int error = m_geom->fetch(&item, pos);
178 if (error || item.key() == false) {
179 // no keyframe under cursor
182 paramRect->setPos(m_profile.width - paramRect->rect().width(), paramRect->pos().y());
183 slotUpdateTransitionProperties();
186 void Geometryval::slotResize50() {
187 int pos = ui.spinPos->value();
188 Mlt::GeometryItem item;
189 int error = m_geom->fetch(&item, pos);
190 if (error || item.key() == false) {
191 // no keyframe under cursor
194 paramRect->setRect(0, 0, m_profile.width / 2, m_profile.height / 2);
195 slotUpdateTransitionProperties();
198 void Geometryval::slotResize100() {
199 int pos = ui.spinPos->value();
200 Mlt::GeometryItem item;
201 int error = m_geom->fetch(&item, pos);
202 if (error || item.key() == false) {
203 // no keyframe under cursor
206 paramRect->setRect(0, 0, m_profile.width, m_profile.height);
207 slotUpdateTransitionProperties();
210 void Geometryval::slotResize200() {
211 int pos = ui.spinPos->value();
212 Mlt::GeometryItem item;
213 int error = m_geom->fetch(&item, pos);
214 if (error || item.key() == false) {
215 // no keyframe under cursor
218 paramRect->setRect(0, 0, m_profile.width * 2, m_profile.height * 2);
219 slotUpdateTransitionProperties();
222 void Geometryval::slotTransparencyChanged(int transp) {
223 int pos = ui.spinPos->value();
224 Mlt::GeometryItem item;
225 int error = m_geom->fetch(&item, pos);
226 if (error || item.key() == false) {
227 // no keyframe under cursor
231 paramRect->setBrush(QColor(255, 0, 0, transp));
232 m_geom->insert(item);
233 emit parameterChanged();
236 void Geometryval::slotPositionChanged(int pos) {
237 ui.spinPos->setValue(pos);
238 m_helper->setValue(pos);
239 Mlt::GeometryItem item;
240 int error = m_geom->fetch(&item, pos);
241 if (error || item.key() == false) {
242 // no keyframe under cursor, adjust buttons
243 ui.buttonAdd->setEnabled(true);
244 ui.buttonDelete->setEnabled(false);
245 ui.widget->setEnabled(false);
246 ui.spinTransp->setEnabled(false);
247 m_scaleMenu->setEnabled(false);
248 m_alignMenu->setEnabled(false);
250 ui.buttonAdd->setEnabled(false);
251 ui.buttonDelete->setEnabled(true);
252 ui.widget->setEnabled(true);
253 ui.spinTransp->setEnabled(true);
254 m_scaleMenu->setEnabled(true);
255 m_alignMenu->setEnabled(true);
257 paramRect->setPos(item.x(), item.y());
258 paramRect->setRect(0, 0, item.w(), item.h());
259 ui.spinTransp->setValue(item.mix());
260 paramRect->setBrush(QColor(255, 0, 0, item.mix()));
263 void Geometryval::slotDeleteFrame() {
264 m_geom->remove(ui.spinPos->value());
265 ui.buttonAdd->setEnabled(true);
266 ui.buttonDelete->setEnabled(false);
267 ui.widget->setEnabled(false);
268 ui.spinTransp->setEnabled(false);
269 m_scaleMenu->setEnabled(false);
270 m_alignMenu->setEnabled(false);
274 void Geometryval::slotAddFrame() {
275 int pos = ui.spinPos->value();
276 Mlt::GeometryItem item;
278 item.x(paramRect->pos().x());
279 item.y(paramRect->pos().y());
280 item.w(paramRect->rect().width());
281 item.h(paramRect->rect().height());
282 item.mix(ui.spinTransp->value());
283 m_geom->insert(item);
284 ui.buttonAdd->setEnabled(false);
285 ui.buttonDelete->setEnabled(true);
286 ui.widget->setEnabled(true);
287 ui.spinTransp->setEnabled(true);
288 m_scaleMenu->setEnabled(true);
289 m_alignMenu->setEnabled(true);
293 void Geometryval::slotNextFrame() {
294 Mlt::GeometryItem item;
295 int error = m_geom->next_key(&item, m_helper->value() + 1);
296 kDebug() << "// SEEK TO NEXT KFR: " << error;
298 int pos = item.frame();
299 ui.spinPos->setValue(pos);
302 void Geometryval::slotPreviousFrame() {
303 Mlt::GeometryItem item;
304 int error = m_geom->prev_key(&item, m_helper->value() - 1);
305 kDebug() << "// SEEK TO NEXT KFR: " << error;
307 int pos = item.frame();
308 ui.spinPos->setValue(pos);
312 QDomElement Geometryval::getParamDesc() {
313 param.setAttribute("value", m_geom->serialise());
314 kDebug() << " / / UPDATING TRANSITION VALUE: " << param.attribute("value");
318 void Geometryval::setupParam(const QDomElement& par, int minFrame, int maxFrame) {
320 QString val = par.attribute("value");
321 char *tmp = (char *) qstrdup(val.toUtf8().data());
322 m_geom = new Mlt::Geometry(tmp, maxFrame - minFrame, m_profile.width, m_profile.height);
324 kDebug() << " / / UPDATING TRANSITION VALUE: " << m_geom->serialise();
325 //read param her and set rect
326 m_helper->setKeyGeometry(m_geom, maxFrame - minFrame - 1);
328 doc.appendChild(doc.importNode(par, true));
329 kDebug() << "IMPORTED TRANS: " << doc.toString();
330 ui.spinPos->setMaximum(maxFrame - minFrame - 1);
331 Mlt::GeometryItem item;
332 m_path = new QGraphicsPathItem();
333 m_path->setPen(QPen(Qt::red));
334 updateTransitionPath();
336 connect(scene, SIGNAL(actionFinished()), this, SLOT(slotUpdateTransitionProperties()));
338 m_geom->fetch(&item, 0);
339 paramRect = new QGraphicsRectItem(QRectF(0, 0, item.w(), item.h()));
340 paramRect->setPos(item.x(), item.y());
341 paramRect->setZValue(0);
343 paramRect->setPen(QPen(QBrush(QColor(255, 0, 0, 255)), 1.0));
344 scene->addItem(paramRect);
345 scene->addItem(m_path);
346 slotPositionChanged(0);
347 connect(ui.spinPos, SIGNAL(valueChanged(int)), this , SLOT(slotPositionChanged(int)));
348 connect(ui.spinTransp, SIGNAL(valueChanged(int)), this , SLOT(slotTransparencyChanged(int)));
351 void Geometryval::updateTransitionPath() {
352 Mlt::GeometryItem item;
357 if (m_geom->next_key(&item, pos) == 1) break;
360 path.moveTo(item.x() + item.w() / 2, item.y() + item.h() / 2);
362 path.lineTo(item.x() + item.w() / 2, item.y() + item.h() / 2);
367 m_path->setPath(path);
370 void Geometryval::slotUpdateTransitionProperties() {
371 int pos = ui.spinPos->value();
372 Mlt::GeometryItem item;
373 int error = m_geom->next_key(&item, pos);
374 if (error || item.frame() != pos) {
375 // no keyframe under cursor
378 item.x(paramRect->pos().x());
379 item.y(paramRect->pos().y());
380 item.w(paramRect->rect().width());
381 item.h(paramRect->rect().height());
382 m_geom->insert(item);
383 updateTransitionPath();
384 emit parameterChanged();