Mercurial > hg > svgui
comparison layer/WaveformLayer.cpp @ 908:4a578a360011 cxx11
More type fixes
author | Chris Cannam |
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date | Tue, 10 Mar 2015 13:22:10 +0000 |
parents | d282967236d5 |
children | f6d9f28f37cb 3871dffc31bd |
comparison
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907:28d05ae8741c | 908:4a578a360011 |
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151 | 151 |
152 *min = -50; | 152 *min = -50; |
153 *max = 50; | 153 *max = 50; |
154 *deflt = 0; | 154 *deflt = 0; |
155 | 155 |
156 val = lrint(log10(m_gain) * 20.0); | 156 val = int(lrint(log10(m_gain) * 20.0)); |
157 if (val < *min) val = *min; | 157 if (val < *min) val = *min; |
158 if (val > *max) val = *max; | 158 if (val > *max) val = *max; |
159 | 159 |
160 } else if (name == "Normalize Visible Area") { | 160 } else if (name == "Normalize Visible Area") { |
161 | 161 |
220 | 220 |
221 void | 221 void |
222 WaveformLayer::setProperty(const PropertyName &name, int value) | 222 WaveformLayer::setProperty(const PropertyName &name, int value) |
223 { | 223 { |
224 if (name == "Gain") { | 224 if (name == "Gain") { |
225 setGain(pow(10, float(value)/20.0)); | 225 setGain(float(pow(10, float(value)/20.0))); |
226 } else if (name == "Normalize Visible Area") { | 226 } else if (name == "Normalize Visible Area") { |
227 setAutoNormalize(value ? true : false); | 227 setAutoNormalize(value ? true : false); |
228 } else if (name == "Channels") { | 228 } else if (name == "Channels") { |
229 if (value == 1) setChannelMode(MixChannels); | 229 if (value == 1) setChannelMode(MixChannels); |
230 else if (value == 2) setChannelMode(MergeChannels); | 230 else if (value == 2) setChannelMode(MergeChannels); |
306 m_cacheValid = false; | 306 m_cacheValid = false; |
307 emit layerParametersChanged(); | 307 emit layerParametersChanged(); |
308 } | 308 } |
309 | 309 |
310 void | 310 void |
311 WaveformLayer::setMiddleLineHeight(float height) | 311 WaveformLayer::setMiddleLineHeight(double height) |
312 { | 312 { |
313 if (m_middleLineHeight == height) return; | 313 if (m_middleLineHeight == height) return; |
314 m_middleLineHeight = height; | 314 m_middleLineHeight = height; |
315 m_cacheValid = false; | 315 m_cacheValid = false; |
316 emit layerParametersChanged(); | 316 emit layerParametersChanged(); |
333 if (m_model->isReady(&completion)) return 100; | 333 if (m_model->isReady(&completion)) return 100; |
334 return completion; | 334 return completion; |
335 } | 335 } |
336 | 336 |
337 bool | 337 bool |
338 WaveformLayer::getValueExtents(float &min, float &max, | 338 WaveformLayer::getValueExtents(double &min, double &max, |
339 bool &, QString &unit) const | 339 bool &, QString &unit) const |
340 { | 340 { |
341 if (m_scale == LinearScale) { | 341 if (m_scale == LinearScale) { |
342 min = 0.0; | 342 min = 0.0; |
343 max = 1.0; | 343 max = 1.0; |
351 } | 351 } |
352 return true; | 352 return true; |
353 } | 353 } |
354 | 354 |
355 int | 355 int |
356 WaveformLayer::dBscale(float sample, int m) const | 356 WaveformLayer::dBscale(double sample, int m) const |
357 { | 357 { |
358 if (sample < 0.0) return dBscale(-sample, m); | 358 if (sample < 0.0) return dBscale(-sample, m); |
359 float dB = AudioLevel::multiplier_to_dB(sample); | 359 double dB = AudioLevel::multiplier_to_dB(sample); |
360 if (dB < -50.0) return 0; | 360 if (dB < -50.0) return 0; |
361 if (dB > 0.0) return m; | 361 if (dB > 0.0) return m; |
362 return int(((dB + 50.0) * m) / 50.0 + 0.1); | 362 return int(((dB + 50.0) * m) / 50.0 + 0.1); |
363 } | 363 } |
364 | 364 |
407 static float meterdbs[] = { -40, -30, -20, -15, -10, | 407 static float meterdbs[] = { -40, -30, -20, -15, -10, |
408 -5, -3, -2, -1, -0.5, 0 }; | 408 -5, -3, -2, -1, -0.5, 0 }; |
409 | 409 |
410 bool | 410 bool |
411 WaveformLayer::getSourceFramesForX(View *v, int x, int modelZoomLevel, | 411 WaveformLayer::getSourceFramesForX(View *v, int x, int modelZoomLevel, |
412 int &f0, int &f1) const | 412 sv_frame_t &f0, sv_frame_t &f1) const |
413 { | 413 { |
414 int viewFrame = v->getFrameForX(x); | 414 sv_frame_t viewFrame = v->getFrameForX(x); |
415 if (viewFrame < 0) { | 415 if (viewFrame < 0) { |
416 f0 = 0; | 416 f0 = 0; |
417 f1 = 0; | 417 f1 = 0; |
418 return false; | 418 return false; |
419 } | 419 } |
433 } | 433 } |
434 | 434 |
435 float | 435 float |
436 WaveformLayer::getNormalizeGain(View *v, int channel) const | 436 WaveformLayer::getNormalizeGain(View *v, int channel) const |
437 { | 437 { |
438 int startFrame = v->getStartFrame(); | 438 sv_frame_t startFrame = v->getStartFrame(); |
439 int endFrame = v->getEndFrame(); | 439 sv_frame_t endFrame = v->getEndFrame(); |
440 | 440 |
441 int modelStart = m_model->getStartFrame(); | 441 sv_frame_t modelStart = m_model->getStartFrame(); |
442 int modelEnd = m_model->getEndFrame(); | 442 sv_frame_t modelEnd = m_model->getEndFrame(); |
443 | 443 |
444 int rangeStart, rangeEnd; | 444 sv_frame_t rangeStart, rangeEnd; |
445 | 445 |
446 if (startFrame < modelStart) rangeStart = modelStart; | 446 if (startFrame < modelStart) rangeStart = modelStart; |
447 else rangeStart = startFrame; | 447 else rangeStart = startFrame; |
448 | 448 |
449 if (endFrame < 0) rangeEnd = 0; | 449 if (endFrame < 0) rangeEnd = 0; |
467 range.setMax(std::max(range.max(), otherRange.max())); | 467 range.setMax(std::max(range.max(), otherRange.max())); |
468 range.setMin(std::min(range.min(), otherRange.min())); | 468 range.setMin(std::min(range.min(), otherRange.min())); |
469 range.setAbsmean(std::min(range.absmean(), otherRange.absmean())); | 469 range.setAbsmean(std::min(range.absmean(), otherRange.absmean())); |
470 } | 470 } |
471 | 471 |
472 return 1.0 / std::max(fabsf(range.max()), fabsf(range.min())); | 472 return float(1.0 / std::max(fabs(range.max()), fabs(range.min()))); |
473 } | 473 } |
474 | 474 |
475 void | 475 void |
476 WaveformLayer::paint(View *v, QPainter &viewPainter, QRect rect) const | 476 WaveformLayer::paint(View *v, QPainter &viewPainter, QRect rect) const |
477 { | 477 { |
541 | 541 |
542 paint->setRenderHint(QPainter::Antialiasing, false); | 542 paint->setRenderHint(QPainter::Antialiasing, false); |
543 | 543 |
544 if (m_middleLineHeight != 0.5) { | 544 if (m_middleLineHeight != 0.5) { |
545 paint->save(); | 545 paint->save(); |
546 float space = m_middleLineHeight * 2; | 546 double space = m_middleLineHeight * 2; |
547 if (space > 1.0) space = 2.0 - space; | 547 if (space > 1.0) space = 2.0 - space; |
548 float yt = h * (m_middleLineHeight - space/2); | 548 double yt = h * (m_middleLineHeight - space/2); |
549 paint->translate(QPointF(0, yt)); | 549 paint->translate(QPointF(0, yt)); |
550 paint->scale(1.0, space); | 550 paint->scale(1.0, space); |
551 } | 551 } |
552 | 552 |
553 int x0 = 0, x1 = w - 1; | 553 int x0 = 0, x1 = w - 1; |
570 // must remain the same when we scroll one or more pixels left or | 570 // must remain the same when we scroll one or more pixels left or |
571 // right. | 571 // right. |
572 | 572 |
573 int modelZoomLevel = m_model->getSummaryBlockSize(zoomLevel); | 573 int modelZoomLevel = m_model->getSummaryBlockSize(zoomLevel); |
574 | 574 |
575 int frame0; | 575 sv_frame_t frame0; |
576 int frame1; | 576 sv_frame_t frame1; |
577 int spare; | 577 sv_frame_t spare; |
578 | 578 |
579 getSourceFramesForX(v, x0, modelZoomLevel, frame0, spare); | 579 getSourceFramesForX(v, x0, modelZoomLevel, frame0, spare); |
580 getSourceFramesForX(v, x1, modelZoomLevel, spare, frame1); | 580 getSourceFramesForX(v, x1, modelZoomLevel, spare, frame1); |
581 | 581 |
582 #ifdef DEBUG_WAVEFORM_PAINT | 582 #ifdef DEBUG_WAVEFORM_PAINT |
614 | 614 |
615 if (m_autoNormalize) { | 615 if (m_autoNormalize) { |
616 m_effectiveGains[ch] = getNormalizeGain(v, ch); | 616 m_effectiveGains[ch] = getNormalizeGain(v, ch); |
617 } | 617 } |
618 | 618 |
619 float gain = m_effectiveGains[ch]; | 619 double gain = m_effectiveGains[ch]; |
620 | 620 |
621 int m = (h / channels) / 2; | 621 int m = (h / channels) / 2; |
622 int my = m + (((ch - minChannel) * h) / channels); | 622 int my = m + (((ch - minChannel) * h) / channels); |
623 | 623 |
624 #ifdef DEBUG_WAVEFORM_PAINT | 624 #ifdef DEBUG_WAVEFORM_PAINT |
645 | 645 |
646 paint->setPen(QColor(240, 240, 240)); | 646 paint->setPen(QColor(240, 240, 240)); |
647 | 647 |
648 for (int i = 1; i < n; ++i) { | 648 for (int i = 1; i < n; ++i) { |
649 | 649 |
650 float val = 0.0, nval = 0.0; | 650 double val = 0.0, nval = 0.0; |
651 | 651 |
652 switch (m_scale) { | 652 switch (m_scale) { |
653 | 653 |
654 case LinearScale: | 654 case LinearScale: |
655 val = (i * gain) / n; | 655 val = (i * gain) / n; |
708 | 708 |
709 for (int x = x0; x <= x1; ++x) { | 709 for (int x = x0; x <= x1; ++x) { |
710 | 710 |
711 range = RangeSummarisableTimeValueModel::Range(); | 711 range = RangeSummarisableTimeValueModel::Range(); |
712 | 712 |
713 int f0, f1; | 713 sv_frame_t f0, f1; |
714 if (!getSourceFramesForX(v, x, modelZoomLevel, f0, f1)) continue; | 714 if (!getSourceFramesForX(v, x, modelZoomLevel, f0, f1)) continue; |
715 f1 = f1 - 1; | 715 f1 = f1 - 1; |
716 | 716 |
717 if (f0 < frame0) { | 717 if (f0 < frame0) { |
718 cerr << "ERROR: WaveformLayer::paint: pixel " << x << " has f0 = " << f0 << " which is less than range frame0 " << frame0 << " for x0 = " << x0 << endl; | 718 cerr << "ERROR: WaveformLayer::paint: pixel " << x << " has f0 = " << f0 << " which is less than range frame0 " << frame0 << " for x0 = " << x0 << endl; |
719 continue; | 719 continue; |
720 } | 720 } |
721 | 721 |
722 int i0 = (f0 - frame0) / modelZoomLevel; | 722 sv_frame_t i0 = (f0 - frame0) / modelZoomLevel; |
723 int i1 = (f1 - frame0) / modelZoomLevel; | 723 sv_frame_t i1 = (f1 - frame0) / modelZoomLevel; |
724 | 724 |
725 #ifdef DEBUG_WAVEFORM_PAINT | 725 #ifdef DEBUG_WAVEFORM_PAINT |
726 cerr << "WaveformLayer::paint: pixel " << x << ": i0 " << i0 << " (f " << f0 << "), i1 " << i1 << " (f " << f1 << ")" << endl; | 726 cerr << "WaveformLayer::paint: pixel " << x << ": i0 " << i0 << " (f " << f0 << "), i1 " << i1 << " (f " << f1 << ")" << endl; |
727 #endif | 727 #endif |
728 | 728 |
782 if (m_greyscale && (m_scale == LinearScale)) greyLevels = 4; | 782 if (m_greyscale && (m_scale == LinearScale)) greyLevels = 4; |
783 | 783 |
784 switch (m_scale) { | 784 switch (m_scale) { |
785 | 785 |
786 case LinearScale: | 786 case LinearScale: |
787 rangeBottom = int( m * greyLevels * range.min() * gain); | 787 rangeBottom = int(double(m * greyLevels) * range.min() * gain); |
788 rangeTop = int( m * greyLevels * range.max() * gain); | 788 rangeTop = int(double(m * greyLevels) * range.max() * gain); |
789 meanBottom = int(-m * range.absmean() * gain); | 789 meanBottom = int(double(-m) * range.absmean() * gain); |
790 meanTop = int( m * range.absmean() * gain); | 790 meanTop = int(double(m) * range.absmean() * gain); |
791 break; | 791 break; |
792 | 792 |
793 case dBScale: | 793 case dBScale: |
794 if (!mergingChannels) { | 794 if (!mergingChannels) { |
795 int db0 = dBscale(range.min() * gain, m); | 795 int db0 = dBscale(range.min() * gain, m); |
961 | 961 |
962 int zoomLevel = v->getZoomLevel(); | 962 int zoomLevel = v->getZoomLevel(); |
963 | 963 |
964 int modelZoomLevel = m_model->getSummaryBlockSize(zoomLevel); | 964 int modelZoomLevel = m_model->getSummaryBlockSize(zoomLevel); |
965 | 965 |
966 int f0, f1; | 966 sv_frame_t f0, f1; |
967 if (!getSourceFramesForX(v, x, modelZoomLevel, f0, f1)) return ""; | 967 if (!getSourceFramesForX(v, x, modelZoomLevel, f0, f1)) return ""; |
968 | 968 |
969 QString text; | 969 QString text; |
970 | 970 |
971 RealTime rt0 = RealTime::frame2RealTime(f0, m_model->getSampleRate()); | 971 RealTime rt0 = RealTime::frame2RealTime(f0, m_model->getSampleRate()); |
1003 else if (ch == 1) label = tr("Right:"); | 1003 else if (ch == 1) label = tr("Right:"); |
1004 else label = tr("Channel %1").arg(ch + 1); | 1004 else label = tr("Channel %1").arg(ch + 1); |
1005 } | 1005 } |
1006 | 1006 |
1007 bool singleValue = false; | 1007 bool singleValue = false; |
1008 float min, max; | 1008 double min, max; |
1009 | 1009 |
1010 if (fabs(range.min()) < 0.01) { | 1010 if (fabs(range.min()) < 0.01) { |
1011 min = range.min(); | 1011 min = range.min(); |
1012 max = range.max(); | 1012 max = range.max(); |
1013 singleValue = (min == max); | 1013 singleValue = (min == max); |
1014 } else { | 1014 } else { |
1015 int imin = lrint(range.min() * 10000); | 1015 int imin = int(lrint(range.min() * 10000)); |
1016 int imax = lrint(range.max() * 10000); | 1016 int imax = int(lrint(range.max() * 10000)); |
1017 singleValue = (imin == imax); | 1017 singleValue = (imin == imax); |
1018 min = float(imin)/10000; | 1018 min = double(imin)/10000; |
1019 max = float(imax)/10000; | 1019 max = double(imax)/10000; |
1020 } | 1020 } |
1021 | 1021 |
1022 int db = int(AudioLevel::multiplier_to_dB(std::max(fabsf(range.min()), | 1022 int db = int(AudioLevel::multiplier_to_dB(std::max(fabsf(range.min()), |
1023 fabsf(range.max()))) | 1023 fabsf(range.max()))) |
1024 * 100); | 1024 * 100); |
1025 | 1025 |
1026 if (!singleValue) { | 1026 if (!singleValue) { |
1027 text += tr("\n%1\t%2 - %3 (%4 dB peak)") | 1027 text += tr("\n%1\t%2 - %3 (%4 dB peak)") |
1028 .arg(label).arg(min).arg(max).arg(float(db)/100); | 1028 .arg(label).arg(min).arg(max).arg(double(db)/100); |
1029 } else { | 1029 } else { |
1030 text += tr("\n%1\t%2 (%3 dB peak)") | 1030 text += tr("\n%1\t%2 (%3 dB peak)") |
1031 .arg(label).arg(min).arg(float(db)/100); | 1031 .arg(label).arg(min).arg(double(db)/100); |
1032 } | 1032 } |
1033 } | 1033 } |
1034 | 1034 |
1035 return text; | 1035 return text; |
1036 } | 1036 } |
1037 | 1037 |
1038 int | 1038 int |
1039 WaveformLayer::getYForValue(const View *v, float value, int channel) const | 1039 WaveformLayer::getYForValue(const View *v, double value, int channel) const |
1040 { | 1040 { |
1041 int channels = 0, minChannel = 0, maxChannel = 0; | 1041 int channels = 0, minChannel = 0, maxChannel = 0; |
1042 bool mergingChannels = false, mixingChannels = false; | 1042 bool mergingChannels = false, mixingChannels = false; |
1043 | 1043 |
1044 channels = getChannelArrangement(minChannel, maxChannel, | 1044 channels = getChannelArrangement(minChannel, maxChannel, |
1076 // cerr << "mergingChannels= " << mergingChannels << ", channel = " << channel << ", value = " << value << ", vy = " << vy << endl; | 1076 // cerr << "mergingChannels= " << mergingChannels << ", channel = " << channel << ", value = " << value << ", vy = " << vy << endl; |
1077 | 1077 |
1078 return my - vy; | 1078 return my - vy; |
1079 } | 1079 } |
1080 | 1080 |
1081 float | 1081 double |
1082 WaveformLayer::getValueForY(const View *v, int y, int &channel) const | 1082 WaveformLayer::getValueForY(const View *v, int y, int &channel) const |
1083 { | 1083 { |
1084 int channels = 0, minChannel = 0, maxChannel = 0; | 1084 int channels = 0, minChannel = 0, maxChannel = 0; |
1085 bool mergingChannels = false, mixingChannels = false; | 1085 bool mergingChannels = false, mixingChannels = false; |
1086 | 1086 |
1100 channel = (y * channels) / h + minChannel; | 1100 channel = (y * channels) / h + minChannel; |
1101 | 1101 |
1102 int my = m + (((channel - minChannel) * h) / channels); | 1102 int my = m + (((channel - minChannel) * h) / channels); |
1103 | 1103 |
1104 int vy = my - y; | 1104 int vy = my - y; |
1105 float value = 0; | 1105 double value = 0; |
1106 float thresh = -50.f; | 1106 double thresh = -50.f; |
1107 | 1107 |
1108 switch (m_scale) { | 1108 switch (m_scale) { |
1109 | 1109 |
1110 case LinearScale: | 1110 case LinearScale: |
1111 value = float(vy) / m; | 1111 value = double(vy) / m; |
1112 break; | 1112 break; |
1113 | 1113 |
1114 case MeterScale: | 1114 case MeterScale: |
1115 value = AudioLevel::preview_to_multiplier(vy, m); | 1115 value = AudioLevel::preview_to_multiplier(vy, m); |
1116 break; | 1116 break; |
1117 | 1117 |
1118 case dBScale: | 1118 case dBScale: |
1119 value = (-thresh * float(vy)) / m + thresh; | 1119 value = (-thresh * double(vy)) / m + thresh; |
1120 value = AudioLevel::dB_to_multiplier(value); | 1120 value = AudioLevel::dB_to_multiplier(value); |
1121 break; | 1121 break; |
1122 } | 1122 } |
1123 | 1123 |
1124 return value / m_gain; | 1124 return value / m_gain; |
1125 } | 1125 } |
1126 | 1126 |
1127 bool | 1127 bool |
1128 WaveformLayer::getYScaleValue(const View *v, int y, | 1128 WaveformLayer::getYScaleValue(const View *v, int y, |
1129 float &value, QString &unit) const | 1129 double &value, QString &unit) const |
1130 { | 1130 { |
1131 int channel; | 1131 int channel; |
1132 | 1132 |
1133 value = getValueForY(v, y, channel); | 1133 value = getValueForY(v, y, channel); |
1134 | 1134 |
1135 if (m_scale == dBScale || m_scale == MeterScale) { | 1135 if (m_scale == dBScale || m_scale == MeterScale) { |
1136 | 1136 |
1137 float thresh = -50.f; | 1137 double thresh = -50.f; |
1138 | 1138 |
1139 if (value > 0.f) { | 1139 if (value > 0.0) { |
1140 value = 10.f * log10f(value); | 1140 value = 10.0 * log10(value); |
1141 if (value < thresh) value = thresh; | 1141 if (value < thresh) value = thresh; |
1142 } else value = thresh; | 1142 } else value = thresh; |
1143 | 1143 |
1144 unit = "dBV"; | 1144 unit = "dBV"; |
1145 | 1145 |
1150 return true; | 1150 return true; |
1151 } | 1151 } |
1152 | 1152 |
1153 bool | 1153 bool |
1154 WaveformLayer::getYScaleDifference(const View *v, int y0, int y1, | 1154 WaveformLayer::getYScaleDifference(const View *v, int y0, int y1, |
1155 float &diff, QString &unit) const | 1155 double &diff, QString &unit) const |
1156 { | 1156 { |
1157 int c0, c1; | 1157 int c0, c1; |
1158 float v0 = getValueForY(v, y0, c0); | 1158 double v0 = getValueForY(v, y0, c0); |
1159 float v1 = getValueForY(v, y1, c1); | 1159 double v1 = getValueForY(v, y1, c1); |
1160 | 1160 |
1161 if (c0 != c1) { | 1161 if (c0 != c1) { |
1162 // different channels, not comparable | 1162 // different channels, not comparable |
1163 diff = 0.f; | 1163 diff = 0.0; |
1164 unit = ""; | 1164 unit = ""; |
1165 return false; | 1165 return false; |
1166 } | 1166 } |
1167 | 1167 |
1168 if (m_scale == dBScale || m_scale == MeterScale) { | 1168 if (m_scale == dBScale || m_scale == MeterScale) { |
1169 | 1169 |
1170 float thresh = -50.f; | 1170 double thresh = -50.0; |
1171 | 1171 |
1172 if (v1 == v0) diff = thresh; | 1172 if (v1 == v0) diff = thresh; |
1173 else { | 1173 else { |
1174 if (v1 > v0) diff = v0 / v1; | 1174 if (v1 > v0) diff = v0 / v1; |
1175 else diff = v1 / v0; | 1175 else diff = v1 / v0; |
1176 | 1176 |
1177 diff = 10.f * log10f(diff); | 1177 diff = 10.0 * log10(diff); |
1178 if (diff < thresh) diff = thresh; | 1178 if (diff < thresh) diff = thresh; |
1179 } | 1179 } |
1180 | 1180 |
1181 unit = "dBV"; | 1181 unit = "dBV"; |
1182 | 1182 |
1183 } else { | 1183 } else { |
1184 diff = fabsf(v1 - v0); | 1184 diff = fabs(v1 - v0); |
1185 unit = "V"; | 1185 unit = "V"; |
1186 } | 1186 } |
1187 | 1187 |
1188 return true; | 1188 return true; |
1189 } | 1189 } |
1215 | 1215 |
1216 int h = rect.height(), w = rect.width(); | 1216 int h = rect.height(), w = rect.width(); |
1217 int textHeight = paint.fontMetrics().height(); | 1217 int textHeight = paint.fontMetrics().height(); |
1218 int toff = -textHeight/2 + paint.fontMetrics().ascent() + 1; | 1218 int toff = -textHeight/2 + paint.fontMetrics().ascent() + 1; |
1219 | 1219 |
1220 float gain = m_gain; | 1220 double gain = m_gain; |
1221 | 1221 |
1222 for (int ch = minChannel; ch <= maxChannel; ++ch) { | 1222 for (int ch = minChannel; ch <= maxChannel; ++ch) { |
1223 | 1223 |
1224 int lastLabelledY = -1; | 1224 int lastLabelledY = -1; |
1225 | 1225 |
1227 | 1227 |
1228 int n = 10; | 1228 int n = 10; |
1229 | 1229 |
1230 for (int i = 0; i <= n; ++i) { | 1230 for (int i = 0; i <= n; ++i) { |
1231 | 1231 |
1232 float val = 0.0, nval = 0.0; | 1232 double val = 0.0, nval = 0.0; |
1233 QString text = ""; | 1233 QString text = ""; |
1234 | 1234 |
1235 switch (m_scale) { | 1235 switch (m_scale) { |
1236 | 1236 |
1237 case LinearScale: | 1237 case LinearScale: |
1238 val = (i * gain) / n; | 1238 val = (i * gain) / n; |
1239 text = QString("%1").arg(float(i) / n); | 1239 text = QString("%1").arg(double(i) / n); |
1240 if (i == 0) text = "0.0"; | 1240 if (i == 0) text = "0.0"; |
1241 else { | 1241 else { |
1242 nval = -val; | 1242 nval = -val; |
1243 if (i == n) text = "1.0"; | 1243 if (i == n) text = "1.0"; |
1244 } | 1244 } |
1400 } | 1400 } |
1401 | 1401 |
1402 int | 1402 int |
1403 WaveformLayer::getCurrentVerticalZoomStep() const | 1403 WaveformLayer::getCurrentVerticalZoomStep() const |
1404 { | 1404 { |
1405 int val = lrint(log10(m_gain) * 20.0) + 50; | 1405 int val = int(lrint(log10(m_gain) * 20.0) + 50); |
1406 if (val < 0) val = 0; | 1406 if (val < 0) val = 0; |
1407 if (val > 100) val = 100; | 1407 if (val > 100) val = 100; |
1408 return val; | 1408 return val; |
1409 } | 1409 } |
1410 | 1410 |
1411 void | 1411 void |
1412 WaveformLayer::setVerticalZoomStep(int step) | 1412 WaveformLayer::setVerticalZoomStep(int step) |
1413 { | 1413 { |
1414 setGain(pow(10, float(step - 50) / 20.0)); | 1414 setGain(powf(10, float(step - 50) / 20.f)); |
1415 } | 1415 } |
1416 | 1416 |