X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmonitorscene.cpp;h=e6be3de10188933da55b54a6b60c13e3dd682076;hb=56aee6aedeeed3efd10ada8fe3c229eddc01ef05;hp=e52e7e9cb6a2711dac2bacb528b328e3a004f609;hpb=5ea297a1c4f65991ec0f53631f16dfc9efed6a4b;p=kdenlive

diff --git a/src/monitorscene.cpp b/src/monitorscene.cpp
index e52e7e9c..e6be3de1 100644
--- a/src/monitorscene.cpp
+++ b/src/monitorscene.cpp
@@ -20,69 +20,260 @@
 
 #include "monitorscene.h"
 #include "renderer.h"
+#include "onmonitoritems/rotoscoping/bpointitem.h"
+#include "onmonitoritems/rotoscoping/splineitem.h"
+#include "kdenlivesettings.h"
 
 #include <QGraphicsView>
 #include <QGraphicsPixmapItem>
-#include <QtCore>
+#include <QGraphicsSceneMouseEvent>
+#include <QScrollBar>
+
 
 MonitorScene::MonitorScene(Render *renderer, QObject* parent) :
         QGraphicsScene(parent),
-        m_renderer(renderer)
-{
-}
-
-void MonitorScene::setUp()
+        m_renderer(renderer),
+        m_view(NULL),
+        m_backgroundImage(QImage()),
+        m_enabled(true),
+        m_zoom(1.0),
+        m_groupMove(false)
 {
-    setBackgroundBrush(QBrush(QColor(0, 0, 255)));
+    setBackgroundBrush(QBrush(QColor(KdenliveSettings::window_background().name())));
 
     QPen framepen(Qt::DotLine);
     framepen.setColor(Qt::red);
 
-    m_frameBorder = new QGraphicsRectItem(QRectF(0, 0, m_renderer->renderWidth(), m_renderer->renderHeight()));
+    m_frameBorder = new QGraphicsRectItem(QRectF(0, 0, m_renderer->frameRenderWidth(), m_renderer->renderHeight()));
     m_frameBorder->setPen(framepen);
-    m_frameBorder->setZValue(-9);
+    m_frameBorder->setZValue(-1);
     m_frameBorder->setBrush(Qt::transparent);
     m_frameBorder->setFlags(0);
     addItem(m_frameBorder);
 
-    m_lastUpdate.start();
+    m_lastUpdate = QTime::currentTime();
     m_background = new QGraphicsPixmapItem();
-    m_background->setZValue(-10);
+    m_background->setZValue(-2);
     m_background->setFlags(0);
-    QPixmap bg(m_renderer->renderWidth(), m_renderer->renderHeight());
+    m_background->setShapeMode(QGraphicsPixmapItem::BoundingRectShape);
+    m_background->setTransformationMode(Qt::FastTransformation);
+    QPixmap bg(m_renderer->frameRenderWidth(), m_renderer->renderHeight());
     bg.fill();
     m_background->setPixmap(bg);
     addItem(m_background);
 
-    connect(m_renderer, SIGNAL(rendererPosition(int)), this, SLOT(slotUpdateBackground()));
-    connect(m_renderer, SIGNAL(frameUpdated(int)), this, SLOT(slotUpdateBackground()));
-    slotUpdateBackground();
-    views().at(0)->fitInView(m_frameBorder, Qt::KeepAspectRatio);
-    views().at(0)->centerOn(m_frameBorder);
+    connect(m_renderer, SIGNAL(frameUpdated(QImage)), this, SLOT(slotSetBackgroundImage(QImage)));
+}
+
+void MonitorScene::centerView()
+{
+    if (m_view) m_view->centerOn(m_frameBorder);
+}
+
+void MonitorScene::cleanup()
+{
+    // Reset scene rect
+    setSceneRect(m_frameBorder->boundingRect());
+}
+
+void MonitorScene::setUp()
+{
+    if (!views().isEmpty()) {
+        m_view = views().at(0);
+        m_view->setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
+    } else {
+        m_view = NULL;
+    }
+}
+
+void MonitorScene::resetProfile()
+{
+    const QRectF border(0, 0, m_renderer->frameRenderWidth(), m_renderer->renderHeight());
+    m_frameBorder->setRect(border);
+}
+
+void MonitorScene::setEnabled(bool enabled)
+{
+    m_enabled = enabled;
 }
 
 void MonitorScene::slotUpdateBackground()
 {
-    if (views().count() > 0 && views().at(0)->isVisible()) {
-        if (m_lastUpdate.elapsed() > 200) {
-            m_background->setPixmap(QPixmap::fromImage(m_renderer->extractFrame(m_renderer->seekFramePosition())));
-            views().at(0)->fitInView(m_frameBorder, Qt::KeepAspectRatio);
-            views().at(0)->centerOn(m_frameBorder);
-            m_lastUpdate.start();
+    if (m_view && m_view->isVisible()) {
+        if (m_lastUpdate.msecsTo(QTime::currentTime()) > 50) {
+            m_background->setPixmap(QPixmap::fromImage(m_backgroundImage));
+            m_lastUpdate = QTime::currentTime();
         }
     }
 }
 
+void MonitorScene::slotSetBackgroundImage(const QImage &image)
+{
+    if (m_view && m_view->isVisible()) {
+        m_backgroundImage = image;
+        slotUpdateBackground();
+    }
+}
+
+void MonitorScene::slotZoom(int value)
+{
+    if (m_view) {
+        m_zoom = value / 100.0;
+        m_view->resetTransform();
+        m_view->scale(m_renderer->renderWidth() * m_zoom / m_renderer->frameRenderWidth(), m_zoom);
+        emit zoomChanged(value);
+    }
+}
+
+void MonitorScene::slotZoomFit()
+{
+    if (m_view) {
+        int xzoom = 100 * m_view->viewport()->height() / m_renderer->renderHeight();
+        int yzoom = 100 * m_view->viewport()->width() / m_renderer->renderWidth();
+        slotZoom(qMin(xzoom, yzoom));
+        m_view->centerOn(m_frameBorder);
+    }
+}
+
+void MonitorScene::slotZoomOriginal()
+{
+    slotZoom(100);
+    if (m_view)
+        m_view->centerOn(m_frameBorder);
+}
+
+void MonitorScene::slotZoomOut(int by)
+{
+    slotZoom(qMax(0, (int)(m_zoom * 100 - by)));
+}
+
+void MonitorScene::slotZoomIn(int by)
+{
+    slotZoom(qMin(300, (int)(m_zoom * 100 + by + 0.5)));
+}
+
 void MonitorScene::mousePressEvent(QGraphicsSceneMouseEvent* event)
 {
+    QList <QGraphicsItem *> selected = selectedItems();
+
     QGraphicsScene::mousePressEvent(event);
+
+    if (selected.count() < selectedItems().count()) {
+        // mouse click on item not in selection group
+        // -> select only this item
+        foreach (QGraphicsItem *item, selected) {
+            if (item)
+                item->setSelected(false);
+        }
+    }
+
+    if (event->isAccepted() && selectedItems().count() > 1) {
+        // multiple items selected + mouse pressed on an item
+        selected = selectedItems();
+        foreach (QGraphicsItem *item, selected) {
+            if (qgraphicsitem_cast<BPointItem*>(item)) {
+                // works with rotoscoping only for now
+                m_groupMove = true;
+                m_lastPos = event->scenePos();
+                return;
+            }
+        }
+    }
+
+    if (!event->isAccepted() && event->buttons() & Qt::LeftButton) {
+        if (event->modifiers() == Qt::ControlModifier)
+            m_view->setDragMode(QGraphicsView::ScrollHandDrag);
+        else if (event->modifiers() == Qt::ShiftModifier)
+            m_view->setDragMode(QGraphicsView::RubberBandDrag);
+    }
 }
 
+void MonitorScene::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
+{
+    if (m_groupMove) {
+        // we want to move multiple items
+        // rotoscoping only for now
+        QPointF diff =  event->scenePos() - m_lastPos;
+        if (diff != QPointF(0, 0)) {
+            m_lastPos = event->scenePos();
+            QList <QGraphicsItem *> selected = selectedItems();
+            int first = -1;
+            int i = 0;
+            foreach (QGraphicsItem *item, selected) {
+                BPointItem *bpoint = qgraphicsitem_cast<BPointItem *>(item);
+                if (bpoint) {
+                    if (first < 0)
+                        first = i;
+                    BPoint p = bpoint->getPoint();
+                    p.setP(p.p + diff);
+                    bpoint->setPoint(p);
+                }
+                ++i;
+            }
+
+            if (first >= 0) {
+                QGraphicsItem *item = selected.at(first);
+                if (item->parentItem()) {
+                    SplineItem *parent = qgraphicsitem_cast<SplineItem*>(item->parentItem());
+                    if (parent)
+                        parent->updateSpline(true);
+                }
+            }
+        }
+    } else {
+        QGraphicsScene::mouseMoveEvent(event);
+    }
+}
 
 void MonitorScene::mouseReleaseEvent(QGraphicsSceneMouseEvent* event)
 {
+    if (m_groupMove) {
+        QList <QGraphicsItem *> selected = selectedItems();
+        foreach (QGraphicsItem *item, selected) {
+            if (qgraphicsitem_cast<BPointItem*>(item) && item->parentItem()) {
+                SplineItem *parent = qgraphicsitem_cast<SplineItem*>(item->parentItem());
+                if (parent) {
+                    parent->updateSpline(false);
+                    break;
+                }
+            }
+        }
+        m_groupMove = false;
+    }
     QGraphicsScene::mouseReleaseEvent(event);
-    emit actionFinished();
+    m_view->setDragMode(QGraphicsView::NoDrag);
+}
+void MonitorScene::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
+{
+    Q_UNUSED(event)
+
+    if (!m_enabled)
+        emit addKeyframe();
+}
+
+void MonitorScene::wheelEvent(QGraphicsSceneWheelEvent* event)
+{
+    if (event->modifiers() == Qt::ControlModifier) {
+        if (event->delta() > 0) {
+            m_view->setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
+            slotZoomIn(5);
+            m_view->setTransformationAnchor(QGraphicsView::AnchorViewCenter);
+        } else {
+            slotZoomOut(5);
+        }
+    } else {
+        QAbstractSlider::SliderAction action;
+        if (event->delta() > 0)
+            action = QAbstractSlider::SliderSingleStepSub;
+        else
+            action = QAbstractSlider::SliderSingleStepAdd;
+        if (event->orientation() == Qt::Horizontal)
+            m_view->horizontalScrollBar()->triggerAction(action);
+        else
+            m_view->verticalScrollBar()->triggerAction(action);
+    }
+
+    event->accept();
 }
 
 #include "monitorscene.moc"