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@318: #include "data/fileio/FileSource.h"
Chris@303: 
Chris@303: #include "widgets/ImageDialog.h"
Chris@378: #include "widgets/ProgressDialog.h"
Chris@303: 
Chris@303: #include <QPainter>
Chris@303: #include <QMouseEvent>
Chris@303: #include <QInputDialog>
Chris@305: #include <QMutexLocker>
Chris@316: #include <QTextStream>
Chris@360: #include <QMessageBox>
Chris@303: 
Chris@303: #include <iostream>
Chris@303: #include <cmath>
Chris@303: 
Chris@303: ImageLayer::ImageMap
Chris@303: ImageLayer::m_images;
Chris@303: 
Chris@305: QMutex
Chris@305: ImageLayer::m_imageMapMutex;
Chris@305: 
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@305: }
Chris@305: 
Chris@305: ImageLayer::~ImageLayer()
Chris@305: {
Chris@464:     for (FileSourceMap::iterator i = m_fileSources.begin();
Chris@464:          i != m_fileSources.end(); ++i) {
Chris@305:         delete i->second;
Chris@305:     }
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@320:     connectSignals(m_model);
Chris@305: 
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@805: ImageLayer::getPropertyLabel(const PropertyName &) 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@905: ImageLayer::getValueExtents(double &, double &, bool &, QString &) const
Chris@303: {
Chris@303:     return false;
Chris@303: }
Chris@303: 
Chris@303: bool
Chris@805: ImageLayer::isLayerScrollable(const View *) const
Chris@303: {
Chris@304:     return true;
Chris@303: }
Chris@303: 
Chris@303: 
Chris@303: ImageModel::PointList
Chris@805: ImageLayer::getLocalPoints(View *v, int x, int ) const
Chris@303: {
Chris@303:     if (!m_model) return ImageModel::PointList();
Chris@303: 
Chris@587: //    SVDEBUG << "ImageLayer::getLocalPoints(" << x << "," << y << "):";
Chris@304:     const ImageModel::PointList &points(m_model->getPoints());
Chris@303: 
Chris@303:     ImageModel::PointList rv;
Chris@303: 
Chris@304:     for (ImageModel::PointList::const_iterator i = points.begin();
Chris@304: 	 i != points.end(); ) {
Chris@303: 
Chris@303: 	const ImageModel::Point &p(*i);
Chris@304: 	int px = v->getXForFrame(p.frame);
Chris@304:         if (px > x) break;
Chris@303: 
Chris@304:         ++i;
Chris@304:         if (i != points.end()) {
Chris@304:             int nx = v->getXForFrame((*i).frame);
Chris@304:             if (nx < x) {
Chris@304:                 // as we aim not to overlap the images, if the following
Chris@304:                 // image begins to the left of a point then the current
Chris@304:                 // one may be assumed to end to the left of it as well.
Chris@304:                 continue;
Chris@304:             }
Chris@304:         }
Chris@303: 
Chris@304:         // this image is a candidate, test it properly
Chris@304: 
Chris@304:         int width = 32;
Chris@304:         if (m_scaled[v].find(p.image) != m_scaled[v].end()) {
Chris@304:             width = m_scaled[v][p.image].width();
Chris@587: //            SVDEBUG << "scaled width = " << width << endl;
Chris@304:         }
Chris@304: 
Chris@304:         if (x >= px && x < px + width) {
Chris@303:             rv.insert(p);
Chris@303:         }
Chris@303:     }
Chris@303: 
Chris@682: //    cerr << rv.size() << " point(s)" << 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@806: //    int useFrame = points.begin()->frame;
Chris@303: 
Chris@805: //    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@905: ImageLayer::snapToFeatureFrame(View *v, sv_frame_t &frame,
Chris@805: 			      int &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@905:     sv_frame_t 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@905:     sv_samplerate_t sampleRate = m_model->getSampleRate();
Chris@303:     if (!sampleRate) return;
Chris@303: 
Chris@303: //    Profiler profiler("ImageLayer::paint", true);
Chris@303: 
Chris@304: //    int x0 = rect.left(), x1 = rect.right();
Chris@304:     int x0 = 0, x1 = v->width();
Chris@304: 
Chris@905:     sv_frame_t frame0 = v->getFrameForX(x0);
Chris@905:     sv_frame_t 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@304:     paint.save();
Chris@304:     paint.setClipRect(rect.x(), 0, rect.width(), v->height());
Chris@304: 
Chris@303:     QColor penColour;
Chris@303:     penColour = v->getForeground();
Chris@303: 
Chris@304:     QColor brushColour;
Chris@304:     brushColour = v->getBackground();
Chris@303: 
Chris@304:     int h, s, val;
Chris@304:     brushColour.getHsv(&h, &s, &val);
Chris@304:     brushColour.setHsv(h, s, 255, 240);
Chris@303: 
Chris@304:     paint.setPen(penColour);
Chris@304:     paint.setBrush(brushColour);
Chris@304:     paint.setRenderHint(QPainter::Antialiasing, true);
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@304:         drawImage(v, paint, p, x, nx);
Chris@304:     }
Chris@303: 
Chris@304:     paint.setRenderHint(QPainter::Antialiasing, false);
Chris@304:     paint.restore();
Chris@304: }
Chris@303: 
Chris@304: void
Chris@304: ImageLayer::drawImage(View *v, QPainter &paint, const ImageModel::Point &p,
Chris@304:                       int x, int nx) const
Chris@304: {
Chris@304:     QString label = p.label;
Chris@304:     QString imageName = p.image;
Chris@304: 
Chris@304:     QImage image;
Chris@304:     QString additionalText;
Chris@304: 
Chris@304:     QSize imageSize;
Chris@304:     if (!getImageOriginalSize(imageName, imageSize)) {
Chris@304:         image = QImage(":icons/emptypage.png");
Chris@304:         imageSize = image.size();
Chris@304:         additionalText = imageName;
Chris@304:     }
Chris@304: 
Chris@304:     int topMargin = 10;
Chris@304:     int bottomMargin = 10;
Chris@304:     int spacing = 5;
Chris@304: 
Chris@304:     if (v->height() < 100) {
Chris@304:         topMargin = 5;
Chris@304:         bottomMargin = 5;
Chris@304:     }
Chris@304: 
Chris@304:     int maxBoxHeight = v->height() - topMargin - bottomMargin;
Chris@304: 
Chris@304:     int availableWidth = nx - x - 3;
Chris@304:     if (availableWidth < 20) availableWidth = 20;
Chris@304: 
Chris@304:     QRect labelRect;
Chris@304: 
Chris@304:     if (label != "") {
Chris@304: 
Chris@304:         int likelyHeight = v->height() / 4;
Chris@304: 
Chris@304:         int likelyWidth = // available height times image aspect
Chris@304:             ((maxBoxHeight - likelyHeight) * imageSize.width())
Chris@304:             / imageSize.height();
Chris@304: 
Chris@304:         if (likelyWidth > imageSize.width()) {
Chris@304:             likelyWidth = imageSize.width();
Chris@303:         }
Chris@303: 
Chris@304:         if (likelyWidth > availableWidth) {
Chris@304:             likelyWidth = availableWidth;
Chris@303:         }
Chris@303: 
Chris@304:         int singleWidth = paint.fontMetrics().width(label);
Chris@304:         if (singleWidth < availableWidth && singleWidth < likelyWidth * 2) {
Chris@304:             likelyWidth = singleWidth + 4;
Chris@303:         }
Chris@303: 
Chris@304:         labelRect = paint.fontMetrics().boundingRect
Chris@304:             (QRect(0, 0, likelyWidth, likelyHeight),
Chris@304:              Qt::AlignCenter | Qt::TextWordWrap, label);
Chris@303: 
Chris@304:         labelRect.setWidth(labelRect.width() + 6);
Chris@303:     }
Chris@303: 
Chris@304:     if (image.isNull()) {
Chris@304:         image = getImage(v, imageName,
Chris@304:                          QSize(availableWidth,
Chris@304:                                maxBoxHeight - labelRect.height()));
Chris@304:     }
Chris@304: 
Chris@304:     int boxWidth = image.width();
Chris@304:     if (boxWidth < labelRect.width()) {
Chris@304:         boxWidth = labelRect.width();
Chris@304:     }
Chris@304: 
Chris@304:     int boxHeight = image.height();
Chris@304:     if (label != "") {
Chris@304:         boxHeight += labelRect.height() + spacing;
Chris@304:     }
Chris@304: 
Chris@304:     int division = image.height();
Chris@304: 
Chris@304:     if (additionalText != "") {
Chris@304: 
Chris@304:         paint.save();
Chris@304: 
Chris@304:         QFont font(paint.font());
Chris@304:         font.setItalic(true);
Chris@304:         paint.setFont(font);
Chris@304: 
Chris@304:         int tw = paint.fontMetrics().width(additionalText);
Chris@304:         if (tw > availableWidth) {
Chris@304:             tw = availableWidth;
Chris@304:         }
Chris@304:         if (boxWidth < tw) {
Chris@304:             boxWidth = tw;
Chris@304:         }
Chris@304:         boxHeight += paint.fontMetrics().height();
Chris@304:         division += paint.fontMetrics().height();
Chris@304:     }                
Chris@304: 
Chris@304:     bottomMargin = v->height() - topMargin - boxHeight;
Chris@304:     if (bottomMargin > topMargin + v->height()/7) {
Chris@304:         topMargin += v->height()/8;
Chris@304:         bottomMargin -= v->height()/8;
Chris@304:     }
Chris@304: 
Chris@304:     paint.drawRect(x - 1,
Chris@304:                    topMargin - 1,
Chris@304:                    boxWidth + 2,
Chris@304:                    boxHeight + 2);
Chris@304: 
Chris@304:     int imageY;
Chris@304:     if (label != "") {
Chris@304:         imageY = topMargin + labelRect.height() + spacing;
Chris@304:     } else {
Chris@304:         imageY = topMargin;
Chris@304:     }
Chris@304: 
Chris@304:     paint.drawImage(x + (boxWidth - image.width())/2,
Chris@304:                     imageY,
Chris@304:                     image);
Chris@304: 
Chris@304:     if (additionalText != "") {
Chris@304:         paint.drawText(x,
Chris@304:                        imageY + image.height() + paint.fontMetrics().ascent(),
Chris@304:                        additionalText);
Chris@304:         paint.restore();
Chris@304:     }
Chris@304: 
Chris@304:     if (label != "") {
Chris@304:         paint.drawLine(x,
Chris@304:                        topMargin + labelRect.height() + spacing,
Chris@304:                        x + boxWidth, 
Chris@304:                        topMargin + labelRect.height() + spacing);
Chris@304: 
Chris@304:         paint.drawText(QRect(x,
Chris@304:                              topMargin,
Chris@304:                              boxWidth,
Chris@304:                              labelRect.height()),
Chris@304:                        Qt::AlignCenter | Qt::TextWordWrap,
Chris@304:                        label);
Chris@304:     }
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@305:         QMutexLocker locker(&m_imageMapMutex);
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@304: bool
Chris@304: ImageLayer::getImageOriginalSize(QString name, QSize &size) const
Chris@303: {
Chris@682: //    cerr << "getImageOriginalSize: \"" << name << "\"" << endl;
Chris@305: 
Chris@305:     QMutexLocker locker(&m_imageMapMutex);
Chris@303:     if (m_images.find(name) == m_images.end()) {
Chris@682: //        cerr << "don't have, trying to open local" << endl;
Chris@305:         m_images[name] = QImage(getLocalFilename(name));
Chris@303:     }
Chris@304:     if (m_images[name].isNull()) {
Chris@682: //        cerr << "null image" << endl;
Chris@304:         return false;
Chris@304:     } else {
Chris@304:         size = m_images[name].size();
Chris@304:         return true;
Chris@304:     }
Chris@303: }
Chris@303: 
Chris@303: QImage 
Chris@303: ImageLayer::getImage(View *v, QString name, QSize maxSize) const
Chris@303: {
Chris@587: //    SVDEBUG << "ImageLayer::getImage(" << v << ", " << name << ", ("
Chris@585: //              << maxSize.width() << "x" << maxSize.height() << "))" << endl;
Chris@303: 
Chris@304:     if (!m_scaled[v][name].isNull()  &&
Chris@304:         ((m_scaled[v][name].width()  == maxSize.width() &&
Chris@304:           m_scaled[v][name].height() <= maxSize.height()) ||
Chris@304:          (m_scaled[v][name].width()  <= maxSize.width() &&
Chris@304:           m_scaled[v][name].height() == maxSize.height()))) {
Chris@682: //        cerr << "cache hit" << endl;
Chris@303:         return m_scaled[v][name];
Chris@303:     }
Chris@303: 
Chris@305:     QMutexLocker locker(&m_imageMapMutex);
Chris@305: 
Chris@303:     if (m_images.find(name) == m_images.end()) {
Chris@305:         m_images[name] = QImage(getLocalFilename(name));
Chris@303:     }
Chris@303: 
Chris@303:     if (m_images[name].isNull()) {
Chris@682: //        cerr << "null image" << endl;
Chris@303:         m_scaled[v][name] = QImage();
Chris@304:     } else if (m_images[name].width() <= maxSize.width() &&
Chris@304:                m_images[name].height() <= maxSize.height()) {
Chris@304:         m_scaled[v][name] = m_images[name];
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@587: //    SVDEBUG << "ImageLayer::drawStart(" << e->x() << "," << e->y() << ")" << endl;
Chris@303: 
Chris@303:     if (!m_model) {
Chris@587: 	SVDEBUG << "ImageLayer::drawStart: no model" << endl;
Chris@303: 	return;
Chris@303:     }
Chris@303: 
Chris@905:     sv_frame_t 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@376:     if (m_editingCommand) finish(m_editingCommand);
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@587: //    SVDEBUG << "ImageLayer::drawDrag(" << e->x() << "," << e->y() << ")" << endl;
Chris@303: 
Chris@303:     if (!m_model || !m_editing) return;
Chris@303: 
Chris@905:     sv_frame_t 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@805: ImageLayer::drawEnd(View *, QMouseEvent *)
Chris@303: {
Chris@587: //    SVDEBUG << "ImageLayer::drawEnd(" << e->x() << "," << e->y() << ")" << endl;
Chris@303:     if (!m_model || !m_editing) return;
Chris@303: 
Chris@307:     ImageDialog dialog(tr("Select image"), "", "");
Chris@305: 
Chris@303:     if (dialog.exec() == QDialog::Accepted) {
Chris@305: 
Chris@464:         checkAddSource(dialog.getImage());
Chris@305: 
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@307:     } else {
Chris@307:         m_editingCommand->deletePoint(m_editingPoint);
Chris@303:     }
Chris@303: 
Chris@376:     finish(m_editingCommand);
Chris@303:     m_editingCommand = 0;
Chris@303:     m_editing = false;
Chris@303: }
Chris@303: 
Chris@312: bool
Chris@905: ImageLayer::addImage(sv_frame_t frame, QString url)
Chris@312: {
Chris@312:     QImage image(getLocalFilename(url));
Chris@312:     if (image.isNull()) {
Chris@682:         cerr << "Failed to open image from url \"" << url << "\" (local filename \"" << getLocalFilename(url) << "\"" << endl;
Chris@464:         delete m_fileSources[url];
Chris@464:         m_fileSources.erase(url);
Chris@312:         return false;
Chris@312:     }
Chris@312: 
Chris@312:     ImageModel::Point point(frame, url, "");
Chris@312:     ImageModel::EditCommand *command =
Chris@312:         new ImageModel::EditCommand(m_model, "Add Image");
Chris@312:     command->addPoint(point);
Chris@376:     finish(command);
Chris@312:     return true;
Chris@312: }
Chris@312: 
Chris@303: void
Chris@303: ImageLayer::editStart(View *v, QMouseEvent *e)
Chris@303: {
Chris@587: //    SVDEBUG << "ImageLayer::editStart(" << e->x() << "," << e->y() << ")" << 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@376: 	finish(m_editingCommand);
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@905:     sv_frame_t frameDiff = v->getFrameForX(e->x()) - v->getFrameForX(m_editOrigin.x());
Chris@905:     sv_frame_t 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@587: //    SVDEBUG << "ImageLayer::editEnd(" << e->x() << "," << e->y() << ")" << endl;
Chris@303:     if (!m_model || !m_editing) return;
Chris@303: 
Chris@303:     if (m_editingCommand) {
Chris@376: 	finish(m_editingCommand);
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@305: 
Chris@464:         checkAddSource(dialog.getImage());
Chris@305: 
Chris@303: 	ImageModel::ChangeImageCommand *command =
Chris@303: 	    new ImageModel::ChangeImageCommand
Chris@303:             (m_model, *points.begin(), dialog.getImage(), dialog.getLabel());
Chris@305: 
Chris@303:         CommandHistory::getInstance()->addCommand(command);
Chris@303:     }
Chris@303: 
Chris@303:     return true;
Chris@303: }    
Chris@303: 
Chris@303: void
Chris@905: ImageLayer::moveSelection(Selection s, sv_frame_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@376:     finish(command);
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@905: 	    double target = double(i->frame);
Chris@905: 	    target = double(newSize.getStartFrame()) +
Chris@905: 		target - double(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@376:     finish(command);
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@376:     finish(command);
Chris@303: }
Chris@303: 
Chris@303: void
Chris@359: ImageLayer::copy(View *v, 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:             Clipboard::Point point(i->frame, i->label);
Chris@360:             point.setReferenceFrame(alignToReference(v, i->frame));
Chris@303:             to.addPoint(point);
Chris@303:         }
Chris@303:     }
Chris@303: }
Chris@303: 
Chris@303: bool
Chris@905: ImageLayer::paste(View *v, const Clipboard &from, sv_frame_t /* 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@360:     bool realign = false;
Chris@360: 
Chris@360:     if (clipboardHasDifferentAlignment(v, from)) {
Chris@360: 
Chris@360:         QMessageBox::StandardButton button =
Chris@360:             QMessageBox::question(v, tr("Re-align pasted items?"),
Chris@360:                                   tr("The items you are pasting came from a layer with different source material from this one.  Do you want to re-align them in time, to match the source material for this layer?"),
Chris@360:                                   QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,
Chris@360:                                   QMessageBox::Yes);
Chris@360: 
Chris@360:         if (button == QMessageBox::Cancel) {
Chris@360:             return false;
Chris@360:         }
Chris@360: 
Chris@360:         if (button == QMessageBox::Yes) {
Chris@360:             realign = true;
Chris@360:         }
Chris@360:     }
Chris@360: 
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@360: 
Chris@905:         sv_frame_t frame = 0;
Chris@360: 
Chris@360:         if (!realign) {
Chris@360:             
Chris@360:             frame = i->getFrame();
Chris@360: 
Chris@360:         } else {
Chris@360: 
Chris@360:             if (i->haveReferenceFrame()) {
Chris@360:                 frame = i->getReferenceFrame();
Chris@360:                 frame = alignFromReference(v, frame);
Chris@360:             } else {
Chris@360:                 frame = i->getFrame();
Chris@360:             }
Chris@303:         }
Chris@360: 
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@376:     finish(command);
Chris@303:     return true;
Chris@303: }
Chris@303: 
Chris@303: QString
Chris@305: ImageLayer::getLocalFilename(QString img) const
Chris@305: {
Chris@464:     if (m_fileSources.find(img) == m_fileSources.end()) {
Chris@464:         checkAddSource(img);
Chris@464:         if (m_fileSources.find(img) == m_fileSources.end()) {
Chris@312:             return img;
Chris@312:         }
Chris@305:     }
Chris@464:     return m_fileSources[img]->getLocalFilename();
Chris@305: }
Chris@305: 
Chris@305: void
Chris@464: ImageLayer::checkAddSource(QString img) const
Chris@305: {
Chris@587:     SVDEBUG << "ImageLayer::checkAddSource(" << img << "): yes, trying..." << endl;
Chris@305: 
Chris@464:     if (m_fileSources.find(img) != m_fileSources.end()) {
Chris@464:         return;
Chris@464:     }
Chris@312: 
Chris@464:     ProgressDialog dialog(tr("Opening image URL..."), true, 2000);
Chris@464:     FileSource *rf = new FileSource(img, &dialog);
Chris@464:     if (rf->isOK()) {
Chris@682:         cerr << "ok, adding it (local filename = " << rf->getLocalFilename() << ")" << endl;
Chris@464:         m_fileSources[img] = rf;
Chris@464:         connect(rf, SIGNAL(ready()), this, SLOT(fileSourceReady()));
Chris@464:     } else {
Chris@464:         delete rf;
Chris@305:     }
Chris@305: }
Chris@305: 
Chris@305: void
Chris@464: ImageLayer::checkAddSources()
Chris@305: {
Chris@305:     const ImageModel::PointList &points(m_model->getPoints());
Chris@305: 
Chris@305:     for (ImageModel::PointList::const_iterator i = points.begin();
Chris@305: 	 i != points.end(); ++i) {
Chris@305:         
Chris@464:         checkAddSource((*i).image);
Chris@305:     }
Chris@305: }
Chris@305: 
Chris@305: void
Chris@464: ImageLayer::fileSourceReady()
Chris@305: {
Chris@587: //    SVDEBUG << "ImageLayer::fileSourceReady" << endl;
Chris@305: 
Chris@318:     FileSource *rf = dynamic_cast<FileSource *>(sender());
Chris@305:     if (!rf) return;
Chris@305: 
Chris@305:     QString img;
Chris@464:     for (FileSourceMap::const_iterator i = m_fileSources.begin();
Chris@464:          i != m_fileSources.end(); ++i) {
Chris@305:         if (i->second == rf) {
Chris@305:             img = i->first;
Chris@682: //            cerr << "it's image \"" << img << "\"" << endl;
Chris@305:             break;
Chris@305:         }
Chris@305:     }
Chris@305:     if (img == "") return;
Chris@305: 
Chris@305:     QMutexLocker locker(&m_imageMapMutex);
Chris@305:     m_images.erase(img);
Chris@305:     for (ViewImageMap::iterator i = m_scaled.begin(); i != m_scaled.end(); ++i) {
Chris@305:         i->second.erase(img);
Chris@306:         emit modelChanged();
Chris@305:     }
Chris@305: }
Chris@305: 
Chris@316: void
Chris@316: ImageLayer::toXml(QTextStream &stream,
Chris@316:                   QString indent, QString extraAttributes) const
Chris@303: {
Chris@316:     Layer::toXml(stream, indent, extraAttributes);
Chris@303: }
Chris@303: 
Chris@303: void
Chris@805: ImageLayer::setProperties(const QXmlAttributes &)
Chris@303: {
Chris@303: }
Chris@303: