Chris@303: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@303: 
Chris@303: /*
Chris@303:     Sonic Visualiser
Chris@303:     An audio file viewer and annotation editor.
Chris@303:     Centre for Digital Music, Queen Mary, University of London.
Chris@303:     This file copyright 2006 Chris Cannam.
Chris@303:     
Chris@303:     This program is free software; you can redistribute it and/or
Chris@303:     modify it under the terms of the GNU General Public License as
Chris@303:     published by the Free Software Foundation; either version 2 of the
Chris@303:     License, or (at your option) any later version.  See the file
Chris@303:     COPYING included with this distribution for more information.
Chris@303: */
Chris@303: 
Chris@303: #include "ImageLayer.h"
Chris@303: 
Chris@303: #include "data/model/Model.h"
Chris@303: #include "base/RealTime.h"
Chris@303: #include "base/Profiler.h"
Chris@303: #include "view/View.h"
Chris@303: 
Chris@303: #include "data/model/ImageModel.h"
Chris@303: 
Chris@303: #include "widgets/ImageDialog.h"
Chris@303: 
Chris@303: #include <QPainter>
Chris@303: #include <QMouseEvent>
Chris@303: #include <QInputDialog>
Chris@303: 
Chris@303: #include <iostream>
Chris@303: #include <cmath>
Chris@303: 
Chris@303: ImageLayer::ImageMap
Chris@303: ImageLayer::m_images;
Chris@303: 
Chris@303: ImageLayer::ImageLayer() :
Chris@303:     Layer(),
Chris@303:     m_model(0),
Chris@303:     m_editing(false),
Chris@303:     m_originalPoint(0, "", ""),
Chris@303:     m_editingPoint(0, "", ""),
Chris@303:     m_editingCommand(0)
Chris@303: {
Chris@303:     
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::setModel(ImageModel *model)
Chris@303: {
Chris@303:     if (m_model == model) return;
Chris@303:     m_model = model;
Chris@303: 
Chris@303:     connect(m_model, SIGNAL(modelChanged()), this, SIGNAL(modelChanged()));
Chris@303:     connect(m_model, SIGNAL(modelChanged(size_t, size_t)),
Chris@303: 	    this, SIGNAL(modelChanged(size_t, size_t)));
Chris@303: 
Chris@303:     connect(m_model, SIGNAL(completionChanged()),
Chris@303: 	    this, SIGNAL(modelCompletionChanged()));
Chris@303: 
Chris@303: //    std::cerr << "ImageLayer::setModel(" << model << ")" << std::endl;
Chris@303: 
Chris@303:     emit modelReplaced();
Chris@303: }
Chris@303: 
Chris@303: Layer::PropertyList
Chris@303: ImageLayer::getProperties() const
Chris@303: {
Chris@303:     return Layer::getProperties();
Chris@303: }
Chris@303: 
Chris@303: QString
Chris@303: ImageLayer::getPropertyLabel(const PropertyName &name) const
Chris@303: {
Chris@303:     return "";
Chris@303: }
Chris@303: 
Chris@303: Layer::PropertyType
Chris@303: ImageLayer::getPropertyType(const PropertyName &name) const
Chris@303: {
Chris@303:     return Layer::getPropertyType(name);
Chris@303: }
Chris@303: 
Chris@303: int
Chris@303: ImageLayer::getPropertyRangeAndValue(const PropertyName &name,
Chris@303: 				    int *min, int *max, int *deflt) const
Chris@303: {
Chris@303:     return Layer::getPropertyRangeAndValue(name, min, max, deflt);
Chris@303: }
Chris@303: 
Chris@303: QString
Chris@303: ImageLayer::getPropertyValueLabel(const PropertyName &name,
Chris@303: 				 int value) const
Chris@303: {
Chris@303:     return Layer::getPropertyValueLabel(name, value);
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::setProperty(const PropertyName &name, int value)
Chris@303: {
Chris@303:     Layer::setProperty(name, value);
Chris@303: }
Chris@303: 
Chris@303: bool
Chris@303: ImageLayer::getValueExtents(float &, float &, bool &, QString &) const
Chris@303: {
Chris@303:     return false;
Chris@303: }
Chris@303: 
Chris@303: bool
Chris@303: ImageLayer::isLayerScrollable(const View *v) const
Chris@303: {
Chris@303:     QPoint discard;
Chris@303:     return !v->shouldIlluminateLocalFeatures(this, discard);
Chris@303: }
Chris@303: 
Chris@303: 
Chris@303: ImageModel::PointList
Chris@303: ImageLayer::getLocalPoints(View *v, int x, int y) const
Chris@303: {
Chris@303:     if (!m_model) return ImageModel::PointList();
Chris@303: 
Chris@303:     std::cerr << "ImageLayer::getLocalPoints(" << x << "," << y << "):";
Chris@303: 
Chris@303:     long frame0 = v->getFrameForX(-150);
Chris@303:     long frame1 = v->getFrameForX(v->width() + 150);
Chris@303:     
Chris@303:     ImageModel::PointList points(m_model->getPoints(frame0, frame1));
Chris@303: 
Chris@303:     ImageModel::PointList rv;
Chris@303: 
Chris@303:     //!!! need to store drawn size as well as original size for each
Chris@303:     //image, but for now:
Chris@303: 
Chris@303:     for (ImageModel::PointList::iterator i = points.begin();
Chris@303: 	 i != points.end(); ++i) {
Chris@303: 
Chris@303: 	const ImageModel::Point &p(*i);
Chris@303: 
Chris@303: 	int px = v->getXForFrame(p.frame);
Chris@303: 
Chris@303:         if (x >= px && x < px + 100) {
Chris@303:             rv.insert(p);
Chris@303:         }
Chris@303:     }
Chris@303: 
Chris@303:     std::cerr << rv.size() << " point(s)" << std::endl;
Chris@303: 
Chris@303:     return rv;
Chris@303: }
Chris@303: 
Chris@303: QString
Chris@303: ImageLayer::getFeatureDescription(View *v, QPoint &pos) const
Chris@303: {
Chris@303:     int x = pos.x();
Chris@303: 
Chris@303:     if (!m_model || !m_model->getSampleRate()) return "";
Chris@303: 
Chris@303:     ImageModel::PointList points = getLocalPoints(v, x, pos.y());
Chris@303: 
Chris@303:     if (points.empty()) {
Chris@303: 	if (!m_model->isReady()) {
Chris@303: 	    return tr("In progress");
Chris@303: 	} else {
Chris@303: 	    return "";
Chris@303: 	}
Chris@303:     }
Chris@303: 
Chris@303:     long useFrame = points.begin()->frame;
Chris@303: 
Chris@303:     RealTime rt = RealTime::frame2RealTime(useFrame, m_model->getSampleRate());
Chris@303: 
Chris@303:     QString text;
Chris@303: /*    
Chris@303:     if (points.begin()->label == "") {
Chris@303: 	text = QString(tr("Time:\t%1\nHeight:\t%2\nLabel:\t%3"))
Chris@303: 	    .arg(rt.toText(true).c_str())
Chris@303: 	    .arg(points.begin()->height)
Chris@303: 	    .arg(points.begin()->label);
Chris@303:     }
Chris@303: 
Chris@303:     pos = QPoint(v->getXForFrame(useFrame),
Chris@303: 		 getYForHeight(v, points.begin()->height));
Chris@303: */
Chris@303:     return text;
Chris@303: }
Chris@303: 
Chris@303: 
Chris@303: //!!! too much overlap with TimeValueLayer/TimeInstantLayer/TextLayer
Chris@303: 
Chris@303: bool
Chris@303: ImageLayer::snapToFeatureFrame(View *v, int &frame,
Chris@303: 			      size_t &resolution,
Chris@303: 			      SnapType snap) const
Chris@303: {
Chris@303:     if (!m_model) {
Chris@303: 	return Layer::snapToFeatureFrame(v, frame, resolution, snap);
Chris@303:     }
Chris@303: 
Chris@303:     resolution = m_model->getResolution();
Chris@303:     ImageModel::PointList points;
Chris@303: 
Chris@303:     if (snap == SnapNeighbouring) {
Chris@303: 	
Chris@303: 	points = getLocalPoints(v, v->getXForFrame(frame), -1);
Chris@303: 	if (points.empty()) return false;
Chris@303: 	frame = points.begin()->frame;
Chris@303: 	return true;
Chris@303:     }    
Chris@303: 
Chris@303:     points = m_model->getPoints(frame, frame);
Chris@303:     int snapped = frame;
Chris@303:     bool found = false;
Chris@303: 
Chris@303:     for (ImageModel::PointList::const_iterator i = points.begin();
Chris@303: 	 i != points.end(); ++i) {
Chris@303: 
Chris@303: 	if (snap == SnapRight) {
Chris@303: 
Chris@303: 	    if (i->frame > frame) {
Chris@303: 		snapped = i->frame;
Chris@303: 		found = true;
Chris@303: 		break;
Chris@303: 	    }
Chris@303: 
Chris@303: 	} else if (snap == SnapLeft) {
Chris@303: 
Chris@303: 	    if (i->frame <= frame) {
Chris@303: 		snapped = i->frame;
Chris@303: 		found = true; // don't break, as the next may be better
Chris@303: 	    } else {
Chris@303: 		break;
Chris@303: 	    }
Chris@303: 
Chris@303: 	} else { // nearest
Chris@303: 
Chris@303: 	    ImageModel::PointList::const_iterator j = i;
Chris@303: 	    ++j;
Chris@303: 
Chris@303: 	    if (j == points.end()) {
Chris@303: 
Chris@303: 		snapped = i->frame;
Chris@303: 		found = true;
Chris@303: 		break;
Chris@303: 
Chris@303: 	    } else if (j->frame >= frame) {
Chris@303: 
Chris@303: 		if (j->frame - frame < frame - i->frame) {
Chris@303: 		    snapped = j->frame;
Chris@303: 		} else {
Chris@303: 		    snapped = i->frame;
Chris@303: 		}
Chris@303: 		found = true;
Chris@303: 		break;
Chris@303: 	    }
Chris@303: 	}
Chris@303:     }
Chris@303: 
Chris@303:     frame = snapped;
Chris@303:     return found;
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::paint(View *v, QPainter &paint, QRect rect) const
Chris@303: {
Chris@303:     if (!m_model || !m_model->isOK()) return;
Chris@303: 
Chris@303:     int sampleRate = m_model->getSampleRate();
Chris@303:     if (!sampleRate) return;
Chris@303: 
Chris@303: //    Profiler profiler("ImageLayer::paint", true);
Chris@303: 
Chris@303:     int x0 = rect.left(), x1 = rect.right();
Chris@303:     long frame0 = v->getFrameForX(x0);
Chris@303:     long frame1 = v->getFrameForX(x1);
Chris@303: 
Chris@303:     ImageModel::PointList points(m_model->getPoints(frame0, frame1));
Chris@303:     if (points.empty()) return;
Chris@303: 
Chris@303:     QColor penColour;
Chris@303:     penColour = v->getForeground();
Chris@303: 
Chris@303: //    std::cerr << "ImageLayer::paint: resolution is "
Chris@303: //	      << m_model->getResolution() << " frames" << std::endl;
Chris@303: 
Chris@303:     QPoint localPos;
Chris@303:     long illuminateFrame = -1;
Chris@303: 
Chris@303:     if (v->shouldIlluminateLocalFeatures(this, localPos)) {
Chris@303: 	ImageModel::PointList localPoints = getLocalPoints(v, localPos.x(),
Chris@303: 							  localPos.y());
Chris@303: 	if (!localPoints.empty()) illuminateFrame = localPoints.begin()->frame;
Chris@303:     }
Chris@303: 
Chris@303:     paint.save();
Chris@303:     paint.setClipRect(rect.x(), 0, rect.width(), v->height());
Chris@303:     
Chris@303:     for (ImageModel::PointList::const_iterator i = points.begin();
Chris@303: 	 i != points.end(); ++i) {
Chris@303: 
Chris@303: 	const ImageModel::Point &p(*i);
Chris@303: 
Chris@303: 	int x = v->getXForFrame(p.frame);
Chris@303: 
Chris@303:         int nx = x + 2000;
Chris@303:         ImageModel::PointList::const_iterator j = i;
Chris@303:         ++j;
Chris@303:         if (j != points.end()) {
Chris@303:             int jx = v->getXForFrame(j->frame);
Chris@303:             if (jx < nx) nx = jx;
Chris@303:         }
Chris@303: /*
Chris@303: 	if (illuminateFrame == p.frame) {
Chris@303: 	    paint.setBrush(penColour);
Chris@303:             paint.setPen(v->getBackground());
Chris@303: 	} else {
Chris@303: 	    paint.setPen(penColour);
Chris@303: 	    paint.setBrush(brushColour);
Chris@303: 	}
Chris@303: */
Chris@303: 	QString label = p.label;
Chris@303:         QString imageName = p.image;
Chris@303: 
Chris@303:         int nw = nx - x;
Chris@303:         if (nw < 10) nw = 20;
Chris@303: 
Chris@303:         int top = 10;
Chris@303:         if (v->height() < 50) top = 5;
Chris@303:         
Chris@303:         int bottom = top;
Chris@303: 
Chris@303:         QRect labelRect;
Chris@303:         if (label != "") {
Chris@303:             float aspect = getImageAspect(imageName);
Chris@303:             int iw = lrintf((v->height() - v->height()/4 - top - bottom)
Chris@303:                             * aspect);
Chris@303:             labelRect = paint.fontMetrics().boundingRect
Chris@303:                 (QRect(0, 0, iw, v->height()/4),
Chris@303:                  Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, label);
Chris@303:             bottom += labelRect.height() + 5;
Chris@303:         }
Chris@303: 
Chris@303:         QImage image = getImage(v,
Chris@303:                                 imageName,
Chris@303:                                 QSize(nw, v->height() - top - bottom));
Chris@303: 
Chris@303:         if (image.isNull()) {
Chris@303:             image = QImage(":icons/emptypage.png");
Chris@303:         }
Chris@303: 
Chris@303: 	paint.setRenderHint(QPainter::Antialiasing, false);
Chris@303: 
Chris@303:         int boxWidth = image.width();
Chris@303: 
Chris@303:         if (label != "") {
Chris@303:             boxWidth = std::max(boxWidth, labelRect.width());
Chris@303:         }
Chris@303: 
Chris@303: 	paint.drawRect(x-1, top-1, boxWidth+1, v->height() - 2 * top +1);
Chris@303: 
Chris@303:         paint.setRenderHint(QPainter::Antialiasing, true);
Chris@303: 
Chris@303:         paint.drawImage(x + (boxWidth - image.width())/2, top, image);
Chris@303: 
Chris@303:         paint.drawText(QRect(x, v->height() - bottom + 5,
Chris@303:                              boxWidth, labelRect.height()),
Chris@303:                        Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap,
Chris@303: 		       label);
Chris@303:     }
Chris@303: 
Chris@303:     paint.restore();
Chris@303:     paint.setRenderHint(QPainter::Antialiasing, false);
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::setLayerDormant(const View *v, bool dormant)
Chris@303: {
Chris@303:     if (dormant) {
Chris@303:         // Delete the images named in the view's scaled map from the
Chris@303:         // general image map as well.  They can always be re-loaded
Chris@303:         // if it turns out another view still needs them.
Chris@303:         for (ImageMap::iterator i = m_scaled[v].begin();
Chris@303:              i != m_scaled[v].end(); ++i) {
Chris@303:             m_images.erase(i->first);
Chris@303:         }
Chris@303:         m_scaled.erase(v);
Chris@303:     }
Chris@303: }
Chris@303: 
Chris@303: //!!! how to reap no-longer-used images?
Chris@303: 
Chris@303: float
Chris@303: ImageLayer::getImageAspect(QString name) const
Chris@303: {
Chris@303:     if (m_images.find(name) == m_images.end()) {
Chris@303:         m_images[name] = QImage(name);
Chris@303:     }
Chris@303:     if (m_images[name].isNull()) return 1.f;
Chris@303:     return float(m_images[name].width()) / float(m_images[name].height());
Chris@303: }
Chris@303: 
Chris@303: QImage 
Chris@303: ImageLayer::getImage(View *v, QString name, QSize maxSize) const
Chris@303: {
Chris@303:     bool need = false;
Chris@303: 
Chris@303: //    std::cerr << "ImageLayer::getImage(" << v << ", " << name.toStdString() << ", ("
Chris@303: //              << maxSize.width() << "x" << maxSize.height() << "))" << std::endl;
Chris@303: 
Chris@303:     if (!m_scaled[v][name].isNull() &&
Chris@303:         (m_scaled[v][name].width() == maxSize.width() ||
Chris@303:          m_scaled[v][name].height() == maxSize.height())) {
Chris@303: //        std::cerr << "cache hit" << std::endl;
Chris@303:         return m_scaled[v][name];
Chris@303:     }
Chris@303: 
Chris@303:     if (m_images.find(name) == m_images.end()) {
Chris@303:         m_images[name] = QImage(name);
Chris@303:     }
Chris@303: 
Chris@303:     if (m_images[name].isNull()) {
Chris@303: //        std::cerr << "null image" << std::endl;
Chris@303:         m_scaled[v][name] = QImage();
Chris@303:     } else {
Chris@303:         m_scaled[v][name] =
Chris@303:             m_images[name].scaled(maxSize,
Chris@303:                                   Qt::KeepAspectRatio,
Chris@303:                                   Qt::SmoothTransformation);
Chris@303:     }
Chris@303: 
Chris@303:     return m_scaled[v][name];
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::drawStart(View *v, QMouseEvent *e)
Chris@303: {
Chris@303: //    std::cerr << "ImageLayer::drawStart(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@303: 
Chris@303:     if (!m_model) {
Chris@303: 	std::cerr << "ImageLayer::drawStart: no model" << std::endl;
Chris@303: 	return;
Chris@303:     }
Chris@303: 
Chris@303:     long frame = v->getFrameForX(e->x());
Chris@303:     if (frame < 0) frame = 0;
Chris@303:     frame = frame / m_model->getResolution() * m_model->getResolution();
Chris@303: 
Chris@303:     m_editingPoint = ImageModel::Point(frame, "", "");
Chris@303:     m_originalPoint = m_editingPoint;
Chris@303: 
Chris@303:     if (m_editingCommand) m_editingCommand->finish();
Chris@303:     m_editingCommand = new ImageModel::EditCommand(m_model, "Add Image");
Chris@303:     m_editingCommand->addPoint(m_editingPoint);
Chris@303: 
Chris@303:     m_editing = true;
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::drawDrag(View *v, QMouseEvent *e)
Chris@303: {
Chris@303: //    std::cerr << "ImageLayer::drawDrag(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@303: 
Chris@303:     if (!m_model || !m_editing) return;
Chris@303: 
Chris@303:     long frame = v->getFrameForX(e->x());
Chris@303:     if (frame < 0) frame = 0;
Chris@303:     frame = frame / m_model->getResolution() * m_model->getResolution();
Chris@303: 
Chris@303:     m_editingCommand->deletePoint(m_editingPoint);
Chris@303:     m_editingPoint.frame = frame;
Chris@303:     m_editingCommand->addPoint(m_editingPoint);
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::drawEnd(View *v, QMouseEvent *)
Chris@303: {
Chris@303: //    std::cerr << "ImageLayer::drawEnd(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@303:     if (!m_model || !m_editing) return;
Chris@303: 
Chris@303:     bool ok = false;
Chris@303: 
Chris@303:     ImageDialog dialog(tr("Select image"), "", tr("<no label>"));
Chris@303:     if (dialog.exec() == QDialog::Accepted) {
Chris@303: 	ImageModel::ChangeImageCommand *command =
Chris@303: 	    new ImageModel::ChangeImageCommand
Chris@303:             (m_model, m_editingPoint, dialog.getImage(), dialog.getLabel());
Chris@303: 	m_editingCommand->addCommand(command);
Chris@303:     }
Chris@303: 
Chris@303:     m_editingCommand->finish();
Chris@303:     m_editingCommand = 0;
Chris@303:     m_editing = false;
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::editStart(View *v, QMouseEvent *e)
Chris@303: {
Chris@303: //    std::cerr << "ImageLayer::editStart(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@303: 
Chris@303:     if (!m_model) return;
Chris@303: 
Chris@303:     ImageModel::PointList points = getLocalPoints(v, e->x(), e->y());
Chris@303:     if (points.empty()) return;
Chris@303: 
Chris@303:     m_editOrigin = e->pos();
Chris@303:     m_editingPoint = *points.begin();
Chris@303:     m_originalPoint = m_editingPoint;
Chris@303: 
Chris@303:     if (m_editingCommand) {
Chris@303: 	m_editingCommand->finish();
Chris@303: 	m_editingCommand = 0;
Chris@303:     }
Chris@303: 
Chris@303:     m_editing = true;
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::editDrag(View *v, QMouseEvent *e)
Chris@303: {
Chris@303:     if (!m_model || !m_editing) return;
Chris@303: 
Chris@303:     long frameDiff = v->getFrameForX(e->x()) - v->getFrameForX(m_editOrigin.x());
Chris@303:     long frame = m_originalPoint.frame + frameDiff;
Chris@303: 
Chris@303:     if (frame < 0) frame = 0;
Chris@303:     frame = (frame / m_model->getResolution()) * m_model->getResolution();
Chris@303: 
Chris@303:     if (!m_editingCommand) {
Chris@303: 	m_editingCommand = new ImageModel::EditCommand(m_model, tr("Move Image"));
Chris@303:     }
Chris@303: 
Chris@303:     m_editingCommand->deletePoint(m_editingPoint);
Chris@303:     m_editingPoint.frame = frame;
Chris@303:     m_editingCommand->addPoint(m_editingPoint);
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::editEnd(View *, QMouseEvent *)
Chris@303: {
Chris@303: //    std::cerr << "ImageLayer::editEnd(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@303:     if (!m_model || !m_editing) return;
Chris@303: 
Chris@303:     if (m_editingCommand) {
Chris@303: 	m_editingCommand->finish();
Chris@303:     }
Chris@303:     
Chris@303:     m_editingCommand = 0;
Chris@303:     m_editing = false;
Chris@303: }
Chris@303: 
Chris@303: bool
Chris@303: ImageLayer::editOpen(View *v, QMouseEvent *e)
Chris@303: {
Chris@303:     if (!m_model) return false;
Chris@303: 
Chris@303:     ImageModel::PointList points = getLocalPoints(v, e->x(), e->y());
Chris@303:     if (points.empty()) return false;
Chris@303: 
Chris@303:     QString image = points.begin()->image;
Chris@303:     QString label = points.begin()->label;
Chris@303: 
Chris@303:     ImageDialog dialog(tr("Select image"),
Chris@303:                        image,
Chris@303:                        label);
Chris@303: 
Chris@303:     if (dialog.exec() == QDialog::Accepted) {
Chris@303: 	ImageModel::ChangeImageCommand *command =
Chris@303: 	    new ImageModel::ChangeImageCommand
Chris@303:             (m_model, *points.begin(), dialog.getImage(), dialog.getLabel());
Chris@303:         CommandHistory::getInstance()->addCommand(command);
Chris@303:     }
Chris@303: 
Chris@303:     return true;
Chris@303: }    
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::moveSelection(Selection s, size_t newStartFrame)
Chris@303: {
Chris@303:     if (!m_model) return;
Chris@303: 
Chris@303:     ImageModel::EditCommand *command =
Chris@303: 	new ImageModel::EditCommand(m_model, tr("Drag Selection"));
Chris@303: 
Chris@303:     ImageModel::PointList points =
Chris@303: 	m_model->getPoints(s.getStartFrame(), s.getEndFrame());
Chris@303: 
Chris@303:     for (ImageModel::PointList::iterator i = points.begin();
Chris@303: 	 i != points.end(); ++i) {
Chris@303: 
Chris@303: 	if (s.contains(i->frame)) {
Chris@303: 	    ImageModel::Point newPoint(*i);
Chris@303: 	    newPoint.frame = i->frame + newStartFrame - s.getStartFrame();
Chris@303: 	    command->deletePoint(*i);
Chris@303: 	    command->addPoint(newPoint);
Chris@303: 	}
Chris@303:     }
Chris@303: 
Chris@303:     command->finish();
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::resizeSelection(Selection s, Selection newSize)
Chris@303: {
Chris@303:     if (!m_model) return;
Chris@303: 
Chris@303:     ImageModel::EditCommand *command =
Chris@303: 	new ImageModel::EditCommand(m_model, tr("Resize Selection"));
Chris@303: 
Chris@303:     ImageModel::PointList points =
Chris@303: 	m_model->getPoints(s.getStartFrame(), s.getEndFrame());
Chris@303: 
Chris@303:     double ratio =
Chris@303: 	double(newSize.getEndFrame() - newSize.getStartFrame()) /
Chris@303: 	double(s.getEndFrame() - s.getStartFrame());
Chris@303: 
Chris@303:     for (ImageModel::PointList::iterator i = points.begin();
Chris@303: 	 i != points.end(); ++i) {
Chris@303: 
Chris@303: 	if (s.contains(i->frame)) {
Chris@303: 
Chris@303: 	    double target = i->frame;
Chris@303: 	    target = newSize.getStartFrame() + 
Chris@303: 		double(target - s.getStartFrame()) * ratio;
Chris@303: 
Chris@303: 	    ImageModel::Point newPoint(*i);
Chris@303: 	    newPoint.frame = lrint(target);
Chris@303: 	    command->deletePoint(*i);
Chris@303: 	    command->addPoint(newPoint);
Chris@303: 	}
Chris@303:     }
Chris@303: 
Chris@303:     command->finish();
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::deleteSelection(Selection s)
Chris@303: {
Chris@303:     if (!m_model) return;
Chris@303: 
Chris@303:     ImageModel::EditCommand *command =
Chris@303: 	new ImageModel::EditCommand(m_model, tr("Delete Selection"));
Chris@303: 
Chris@303:     ImageModel::PointList points =
Chris@303: 	m_model->getPoints(s.getStartFrame(), s.getEndFrame());
Chris@303: 
Chris@303:     for (ImageModel::PointList::iterator i = points.begin();
Chris@303: 	 i != points.end(); ++i) {
Chris@303: 	if (s.contains(i->frame)) command->deletePoint(*i);
Chris@303:     }
Chris@303: 
Chris@303:     command->finish();
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::copy(Selection s, Clipboard &to)
Chris@303: {
Chris@303:     if (!m_model) return;
Chris@303: 
Chris@303:     ImageModel::PointList points =
Chris@303: 	m_model->getPoints(s.getStartFrame(), s.getEndFrame());
Chris@303: 
Chris@303:     for (ImageModel::PointList::iterator i = points.begin();
Chris@303: 	 i != points.end(); ++i) {
Chris@303: 	if (s.contains(i->frame)) {
Chris@303:             //!!! inadequate
Chris@303:             Clipboard::Point point(i->frame, i->label);
Chris@303:             to.addPoint(point);
Chris@303:         }
Chris@303:     }
Chris@303: }
Chris@303: 
Chris@303: bool
Chris@303: ImageLayer::paste(const Clipboard &from, int frameOffset, bool /* interactive */)
Chris@303: {
Chris@303:     if (!m_model) return false;
Chris@303: 
Chris@303:     const Clipboard::PointList &points = from.getPoints();
Chris@303: 
Chris@303:     ImageModel::EditCommand *command =
Chris@303: 	new ImageModel::EditCommand(m_model, tr("Paste"));
Chris@303: 
Chris@303:     for (Clipboard::PointList::const_iterator i = points.begin();
Chris@303:          i != points.end(); ++i) {
Chris@303:         
Chris@303:         if (!i->haveFrame()) continue;
Chris@303:         size_t frame = 0;
Chris@303:         if (frameOffset > 0 || -frameOffset < i->getFrame()) {
Chris@303:             frame = i->getFrame() + frameOffset;
Chris@303:         }
Chris@303:         ImageModel::Point newPoint(frame);
Chris@303: 
Chris@303:         //!!! inadequate
Chris@303:         
Chris@303:         if (i->haveLabel()) {
Chris@303:             newPoint.label = i->getLabel();
Chris@303:         } else if (i->haveValue()) {
Chris@303:             newPoint.label = QString("%1").arg(i->getValue());
Chris@303:         } else {
Chris@303:             newPoint.label = tr("New Point");
Chris@303:         }
Chris@303:         
Chris@303:         command->addPoint(newPoint);
Chris@303:     }
Chris@303: 
Chris@303:     command->finish();
Chris@303:     return true;
Chris@303: }
Chris@303: 
Chris@303: QString
Chris@303: ImageLayer::toXmlString(QString indent, QString extraAttributes) const
Chris@303: {
Chris@303:     return Layer::toXmlString(indent, extraAttributes);
Chris@303: }
Chris@303: 
Chris@303: void
Chris@303: ImageLayer::setProperties(const QXmlAttributes &attributes)
Chris@303: {
Chris@303: }
Chris@303: