annotate layer/TimeRulerLayer.cpp @ 203:258af0c4dc28

* Fix crash in short spectrogram paint * Fix incorrect apparent end point for waveforms
author Chris Cannam
date Wed, 14 Feb 2007 17:52:06 +0000
parents 33929e0c3c6b
children 6969f21da18a
rev   line source
Chris@58 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@59 4 Sonic Visualiser
Chris@59 5 An audio file viewer and annotation editor.
Chris@59 6 Centre for Digital Music, Queen Mary, University of London.
Chris@59 7 This file copyright 2006 Chris Cannam.
Chris@0 8
Chris@59 9 This program is free software; you can redistribute it and/or
Chris@59 10 modify it under the terms of the GNU General Public License as
Chris@59 11 published by the Free Software Foundation; either version 2 of the
Chris@59 12 License, or (at your option) any later version. See the file
Chris@59 13 COPYING included with this distribution for more information.
Chris@0 14 */
Chris@0 15
Chris@0 16 #include "TimeRulerLayer.h"
Chris@0 17
Chris@128 18 #include "data/model/Model.h"
Chris@0 19 #include "base/RealTime.h"
Chris@128 20 #include "view/View.h"
Chris@0 21
Chris@0 22 #include <QPainter>
Chris@0 23
Chris@0 24 #include <iostream>
Chris@0 25
Chris@0 26 using std::cerr;
Chris@0 27 using std::endl;
Chris@0 28
Chris@44 29 TimeRulerLayer::TimeRulerLayer() :
Chris@44 30 Layer(),
Chris@0 31 m_model(0),
Chris@0 32 m_colour(Qt::black),
Chris@0 33 m_labelHeight(LabelTop)
Chris@0 34 {
Chris@44 35
Chris@0 36 }
Chris@0 37
Chris@0 38 void
Chris@0 39 TimeRulerLayer::setModel(Model *model)
Chris@0 40 {
Chris@0 41 if (m_model == model) return;
Chris@0 42 m_model = model;
Chris@0 43 emit modelReplaced();
Chris@0 44 }
Chris@0 45
Chris@0 46 void
Chris@0 47 TimeRulerLayer::setBaseColour(QColor colour)
Chris@0 48 {
Chris@0 49 if (m_colour == colour) return;
Chris@0 50 m_colour = colour;
Chris@0 51 emit layerParametersChanged();
Chris@0 52 }
Chris@0 53
Chris@0 54 Layer::PropertyList
Chris@0 55 TimeRulerLayer::getProperties() const
Chris@0 56 {
Chris@0 57 PropertyList list;
Chris@87 58 list.push_back("Colour");
Chris@0 59 return list;
Chris@0 60 }
Chris@0 61
Chris@87 62 QString
Chris@87 63 TimeRulerLayer::getPropertyLabel(const PropertyName &name) const
Chris@87 64 {
Chris@87 65 if (name == "Colour") return tr("Colour");
Chris@87 66 return "";
Chris@87 67 }
Chris@87 68
Chris@0 69 Layer::PropertyType
Chris@0 70 TimeRulerLayer::getPropertyType(const PropertyName &name) const
Chris@0 71 {
Chris@0 72 return ValueProperty;
Chris@0 73 }
Chris@0 74
Chris@0 75 int
Chris@0 76 TimeRulerLayer::getPropertyRangeAndValue(const PropertyName &name,
Chris@0 77 int *min, int *max) const
Chris@0 78 {
Chris@0 79 int deft = 0;
Chris@0 80
Chris@87 81 if (name == "Colour") {
Chris@0 82
Chris@10 83 if (min) *min = 0;
Chris@10 84 if (max) *max = 5;
Chris@0 85
Chris@0 86 if (m_colour == Qt::black) deft = 0;
Chris@0 87 else if (m_colour == Qt::darkRed) deft = 1;
Chris@0 88 else if (m_colour == Qt::darkBlue) deft = 2;
Chris@0 89 else if (m_colour == Qt::darkGreen) deft = 3;
Chris@0 90 else if (m_colour == QColor(200, 50, 255)) deft = 4;
Chris@0 91 else if (m_colour == QColor(255, 150, 50)) deft = 5;
Chris@0 92
Chris@0 93 } else {
Chris@0 94
Chris@0 95 deft = Layer::getPropertyRangeAndValue(name, min, max);
Chris@0 96 }
Chris@0 97
Chris@0 98 return deft;
Chris@0 99 }
Chris@0 100
Chris@0 101 QString
Chris@0 102 TimeRulerLayer::getPropertyValueLabel(const PropertyName &name,
Chris@0 103 int value) const
Chris@0 104 {
Chris@87 105 if (name == "Colour") {
Chris@0 106 switch (value) {
Chris@0 107 default:
Chris@0 108 case 0: return tr("Black");
Chris@0 109 case 1: return tr("Red");
Chris@0 110 case 2: return tr("Blue");
Chris@0 111 case 3: return tr("Green");
Chris@0 112 case 4: return tr("Purple");
Chris@0 113 case 5: return tr("Orange");
Chris@0 114 }
Chris@0 115 }
Chris@0 116 return tr("<unknown>");
Chris@0 117 }
Chris@0 118
Chris@0 119 void
Chris@0 120 TimeRulerLayer::setProperty(const PropertyName &name, int value)
Chris@0 121 {
Chris@87 122 if (name == "Colour") {
Chris@0 123 switch (value) {
Chris@0 124 default:
Chris@0 125 case 0: setBaseColour(Qt::black); break;
Chris@0 126 case 1: setBaseColour(Qt::darkRed); break;
Chris@0 127 case 2: setBaseColour(Qt::darkBlue); break;
Chris@0 128 case 3: setBaseColour(Qt::darkGreen); break;
Chris@0 129 case 4: setBaseColour(QColor(200, 50, 255)); break;
Chris@0 130 case 5: setBaseColour(QColor(255, 150, 50)); break;
Chris@0 131 }
Chris@0 132 }
Chris@0 133 }
Chris@0 134
Chris@0 135 void
Chris@44 136 TimeRulerLayer::paint(View *v, QPainter &paint, QRect rect) const
Chris@0 137 {
Chris@0 138 // std::cerr << "TimeRulerLayer::paint (" << rect.x() << "," << rect.y()
Chris@0 139 // << ") [" << rect.width() << "x" << rect.height() << "]" << std::endl;
Chris@0 140
Chris@0 141 if (!m_model || !m_model->isOK()) return;
Chris@0 142
Chris@0 143 int sampleRate = m_model->getSampleRate();
Chris@0 144 if (!sampleRate) return;
Chris@0 145
Chris@44 146 long startFrame = v->getStartFrame();
Chris@44 147 long endFrame = v->getEndFrame();
Chris@0 148
Chris@44 149 int zoomLevel = v->getZoomLevel();
Chris@0 150
Chris@0 151 long rectStart = startFrame + (rect.x() - 100) * zoomLevel;
Chris@0 152 long rectEnd = startFrame + (rect.x() + rect.width() + 100) * zoomLevel;
Chris@55 153 // if (rectStart < startFrame) rectStart = startFrame;
Chris@55 154 // if (rectEnd > endFrame) rectEnd = endFrame;
Chris@0 155
Chris@0 156 // std::cerr << "TimeRulerLayer::paint: calling paint.save()" << std::endl;
Chris@0 157 paint.save();
Chris@44 158 //!!! paint.setClipRect(v->rect());
Chris@0 159
Chris@0 160 int minPixelSpacing = 50;
Chris@0 161
Chris@0 162 RealTime rtStart = RealTime::frame2RealTime(startFrame, sampleRate);
Chris@0 163 RealTime rtEnd = RealTime::frame2RealTime(endFrame, sampleRate);
Chris@44 164 // cerr << "startFrame " << startFrame << ", endFrame " << v->getEndFrame() << ", rtStart " << rtStart << ", rtEnd " << rtEnd << endl;
Chris@44 165 int count = v->width() / minPixelSpacing;
Chris@0 166 if (count < 1) count = 1;
Chris@0 167 RealTime rtGap = (rtEnd - rtStart) / count;
Chris@0 168 // cerr << "rtGap is " << rtGap << endl;
Chris@0 169
Chris@0 170 int incms;
Chris@0 171 bool quarter = false;
Chris@0 172
Chris@0 173 if (rtGap.sec > 0) {
Chris@0 174 incms = 1000;
Chris@0 175 int s = rtGap.sec;
Chris@0 176 if (s > 0) { incms *= 5; s /= 5; }
Chris@0 177 if (s > 0) { incms *= 2; s /= 2; }
Chris@0 178 if (s > 0) { incms *= 6; s /= 6; quarter = true; }
Chris@0 179 if (s > 0) { incms *= 5; s /= 5; quarter = false; }
Chris@0 180 if (s > 0) { incms *= 2; s /= 2; }
Chris@0 181 if (s > 0) { incms *= 6; s /= 6; quarter = true; }
Chris@0 182 while (s > 0) {
Chris@0 183 incms *= 10;
Chris@0 184 s /= 10;
Chris@0 185 quarter = false;
Chris@0 186 }
Chris@0 187 } else {
Chris@0 188 incms = 1;
Chris@0 189 int ms = rtGap.msec();
Chris@0 190 if (ms > 0) { incms *= 10; ms /= 10; }
Chris@0 191 if (ms > 0) { incms *= 10; ms /= 10; }
Chris@0 192 if (ms > 0) { incms *= 5; ms /= 5; }
Chris@0 193 if (ms > 0) { incms *= 2; ms /= 2; }
Chris@0 194 }
Chris@0 195 // cerr << "incms is " << incms << endl;
Chris@0 196
Chris@0 197 RealTime rt = RealTime::frame2RealTime(rectStart, sampleRate);
Chris@0 198 long ms = rt.sec * 1000 + rt.msec();
Chris@0 199 ms = (ms / incms) * incms - incms;
Chris@0 200
Chris@30 201 RealTime incRt = RealTime::fromMilliseconds(incms);
Chris@0 202 long incFrame = RealTime::realTime2Frame(incRt, sampleRate);
Chris@0 203 int incX = incFrame / zoomLevel;
Chris@0 204 int ticks = 10;
Chris@0 205 if (incX < minPixelSpacing * 2) {
Chris@0 206 ticks = quarter ? 4 : 5;
Chris@0 207 }
Chris@0 208
Chris@0 209 QRect oldClipRect = rect;
Chris@0 210 QRect newClipRect(oldClipRect.x() - 25, oldClipRect.y(),
Chris@0 211 oldClipRect.width() + 50, oldClipRect.height());
Chris@0 212 paint.setClipRect(newClipRect);
Chris@55 213 paint.setClipRect(rect);
Chris@0 214
Chris@0 215 QColor greyColour(m_colour);
Chris@0 216 if (m_colour == Qt::black) {
Chris@0 217 greyColour = QColor(200,200,200);
Chris@0 218 } else {
Chris@0 219 greyColour = m_colour.light(150);
Chris@0 220 }
Chris@0 221
Chris@0 222 while (1) {
Chris@0 223
Chris@30 224 rt = RealTime::fromMilliseconds(ms);
Chris@0 225 ms += incms;
Chris@0 226
Chris@0 227 long frame = RealTime::realTime2Frame(rt, sampleRate);
Chris@0 228 if (frame >= rectEnd) break;
Chris@0 229
Chris@0 230 int x = (frame - startFrame) / zoomLevel;
Chris@0 231 if (x < rect.x() || x >= rect.x() + rect.width()) continue;
Chris@0 232
Chris@0 233 paint.setPen(greyColour);
Chris@44 234 paint.drawLine(x, 0, x, v->height());
Chris@0 235
Chris@0 236 paint.setPen(m_colour);
Chris@0 237 paint.drawLine(x, 0, x, 5);
Chris@44 238 paint.drawLine(x, v->height() - 6, x, v->height() - 1);
Chris@0 239
Chris@0 240 QString text(QString::fromStdString(rt.toText()));
Chris@0 241
Chris@0 242 int y;
Chris@0 243 QFontMetrics metrics = paint.fontMetrics();
Chris@0 244 switch (m_labelHeight) {
Chris@0 245 default:
Chris@0 246 case LabelTop:
Chris@0 247 y = 6 + metrics.ascent();
Chris@0 248 break;
Chris@0 249 case LabelMiddle:
Chris@44 250 y = v->height() / 2 - metrics.height() / 2 + metrics.ascent();
Chris@0 251 break;
Chris@0 252 case LabelBottom:
Chris@44 253 y = v->height() - metrics.height() + metrics.ascent() - 6;
Chris@0 254 }
Chris@0 255
Chris@0 256 int tw = metrics.width(text);
Chris@0 257
Chris@70 258 if (v->getViewManager() && v->getViewManager()->getOverlayMode() !=
Chris@70 259 ViewManager::NoOverlays) {
Chris@70 260
Chris@70 261 if (v->getLayer(0) == this) {
Chris@70 262 // backmost layer, don't worry about outlining the text
Chris@70 263 paint.drawText(x+2 - tw/2, y, text);
Chris@70 264 } else {
Chris@70 265 v->drawVisibleText(paint, x+2 - tw/2, y, text, View::OutlinedText);
Chris@70 266 }
Chris@70 267 }
Chris@0 268
Chris@0 269 paint.setPen(greyColour);
Chris@0 270
Chris@0 271 for (int i = 1; i < ticks; ++i) {
Chris@0 272 rt = rt + (incRt / ticks);
Chris@0 273 frame = RealTime::realTime2Frame(rt, sampleRate);
Chris@0 274 x = (frame - startFrame) / zoomLevel;
Chris@0 275 int sz = 5;
Chris@0 276 if (ticks == 10) {
Chris@0 277 if ((i % 2) == 1) {
Chris@0 278 if (i == 5) {
Chris@44 279 paint.drawLine(x, 0, x, v->height());
Chris@0 280 } else sz = 3;
Chris@0 281 } else {
Chris@0 282 sz = 7;
Chris@0 283 }
Chris@0 284 }
Chris@0 285 paint.drawLine(x, 0, x, sz);
Chris@44 286 paint.drawLine(x, v->height() - sz - 1, x, v->height() - 1);
Chris@0 287 }
Chris@0 288 }
Chris@0 289
Chris@0 290 paint.restore();
Chris@0 291 }
Chris@0 292
Chris@6 293 QString
Chris@6 294 TimeRulerLayer::toXmlString(QString indent, QString extraAttributes) const
Chris@6 295 {
Chris@6 296 return Layer::toXmlString(indent, extraAttributes +
Chris@6 297 QString(" colour=\"%1\"").arg(encodeColour(m_colour)));
Chris@6 298 }
Chris@6 299
Chris@11 300 void
Chris@11 301 TimeRulerLayer::setProperties(const QXmlAttributes &attributes)
Chris@11 302 {
Chris@11 303 QString colourSpec = attributes.value("colour");
Chris@11 304 if (colourSpec != "") {
Chris@11 305 QColor colour(colourSpec);
Chris@11 306 if (colour.isValid()) {
Chris@11 307 setBaseColour(QColor(colourSpec));
Chris@11 308 }
Chris@11 309 }
Chris@11 310 }
Chris@11 311
Chris@0 312
Chris@0 313 #ifdef INCLUDE_MOCFILES
Chris@0 314 #include "TimeRulerLayer.moc.cpp"
Chris@0 315 #endif
Chris@0 316