dmlib: edwaveform.cpp annotate

annotate edwaveform.cpp @ 391:28a74940f2b6

More work on the editor.

author	Matti Hamalainen <ccr@tnsp.org>
date	Fri, 19 Oct 2012 04:30:24 +0300
parents	e5220ff48bc8
children	5137db55f00b

rev	line source
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1 #include <QtGui>
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	2 #include <SDL_audio.h>
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3 #include "edwaveform.h"
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	4
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	5
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	6 WaveTrackDisplay::WaveTrackDisplay(QWidget *parent) : QWidget(parent)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	7 {
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	8 data = NULL;
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	9 size = 0;
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	10 format = AUDIO_S16SYS;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	11 channels = 1;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	12 freq = 1;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	13 scale = 1.0f;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	14 time = offs = 0;
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	15 duration = 0;
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	16
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	17 setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	18 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	19
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	20
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	21 void WaveTrackDisplay::setWaveform(void *mdata, int msize, int mformat, int mchannels, int mfreq)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	22 {
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	23 data = mdata;
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	24 size = msize;
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	25 format = mformat;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	26 channels = mchannels;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	27 freq = mfreq;
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	28
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	29 int bps = getBps();
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	30 if (bps != 0)
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	31 duration = ((float) (size / bps) / (float) freq) * 1000.0f;
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	32 else
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	33 duration = 0;
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	34
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	35 update();
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	36 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	37
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	38
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	39 int WaveTrackDisplay::getBps()
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	40 {
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	41 int bps = channels;
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	42 switch (format)
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	43 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	44 case AUDIO_S16SYS:
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	45 case AUDIO_U16SYS:
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	46 bps *= sizeof(quint16);
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	47 break;
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	48 case AUDIO_S8:
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	49 case AUDIO_U8:
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	50 bps *= sizeof(quint8);
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	51 break;
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	52 }
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	53 return bps;
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	54 }
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	55
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	56
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	57 float WaveTrackDisplay::getDuration()
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	58 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	59 return duration;
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	60 }
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	61
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	62
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	63 float WaveTrackDisplay::getTimeScale(float value)
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	64 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	65 return (value * scale * (float) freq) / 1000.0f;
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	66 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	67
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	68
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	69 float WaveTrackDisplay::getTimeFromCoord(float value)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	70 {
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	71 return value * scale;
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	72 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	73
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	74
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	75 void WaveTrackDisplay::setTime(const float mtime)
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	76 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	77 fprintf(stderr, "setTime(%1.5f)\n", mtime);
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	78 if (time != mtime && mtime >= 0 && mtime < duration)
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	79 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	80 time = mtime;
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	81 update();
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	82 emit timeChanged(time);
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	83 }
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	84 }
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	85
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	86
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	87 void WaveTrackDisplay::setOffset(const float moffs)
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	88 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	89 if (offs != moffs && moffs >= 0 && moffs < getDuration())
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	90 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	91 offs = moffs;
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	92 update();
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	93 emit offsetChanged(offs);
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	94 }
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	95 }
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	96
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	97
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	98 void WaveTrackDisplay::setScale(const float mscale)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	99 {
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	100 if (mscale > 0.05)
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	101 scale = mscale;
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	102 update();
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	103 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	104
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	105
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	106 float WaveTrackDisplay::getScaledWidth()
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	107 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	108 return getTimeScale(width());
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	109 }
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	110
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	111
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	112 float WaveTrackDisplay::getTime()
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	113 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	114 return time;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	115 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	116
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	117
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	118 float WaveTrackDisplay::getOffset()
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	119 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	120 return offs;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	121 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	122
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	123
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	124 void WaveTrackDisplay::paintEvent(QPaintEvent *)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	125 {
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	126 QColor waveColor(0, 150, 0);
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	127 QColor waveCenterLine(0, 0, 0);
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	128 QColor markerColor(255,255,255);
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	129 QColor bgColor(0, 0, 0);//255, 255, 255);
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	130
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	131 QPainter painter(this);
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	132 painter.setRenderHint(QPainter::Antialiasing);
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	133 painter.fillRect(QRect(0, 0, width(), height()), bgColor);
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	134
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	135 if (data != NULL)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	136 {
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	137 int voffs = 0;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	138
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	139 painter.save();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	140 painter.translate(0, height() / 2);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	141
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	142 painter.setPen(waveCenterLine);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	143 painter.drawLine(0, 0, width(), 0);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	144
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	145 switch (format)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	146 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	147 case AUDIO_S16SYS:
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	148 painter.scale(1.0f, (float) height() / 32768.0f);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	149 break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	150 case AUDIO_U16SYS:
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	151 voffs = -32768;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	152 painter.scale(1.0f, height() / 32768.0f);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	153 break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	154
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	155 case AUDIO_S8:
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	156 painter.scale(1.0f, height() / 128.0f);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	157 break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	158 case AUDIO_U8:
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	159 voffs = -128;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	160 painter.scale(1.0f, height() / 128.0f);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	161 break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	162 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	163
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	164 painter.scale(1.0f, 0.5f);
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	165 painter.setPen(waveColor);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	166
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	167 float mscale = (scale * (float)freq) / 1000.0f;
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	168 int prevY = 0, prevX = 0;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	169 if (format == AUDIO_S16SYS \|\| format == AUDIO_U16SYS)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	170 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	171 qint16 buf = (qint16 ) data;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	172 for (int xc = 0; xc < width(); xc++)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	173 {
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	174 int value = buf[(int) (((offs + xc) * mscale)) * channels] + voffs;
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	175 painter.drawLine(prevX, prevY, xc, value);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	176 prevY = value;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	177 prevX = xc;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	178 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	179 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	180 else
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	181 if (format == AUDIO_S8 \|\| format == AUDIO_U8)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	182 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	183 qint8 buf = (qint8 ) data;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	184 for (int xc = 0; xc < width(); xc++)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	185 {
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	186 int value = buf[((int) ((offs + xc) * mscale)) * channels] + voffs;
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	187 painter.drawLine(prevX, prevY, xc, value);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	188 prevY = value;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	189 prevX = xc;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	190 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	191 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	192
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	193 painter.restore();
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	194 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	195
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	196 float xc = getTimeScale(time - offs), wd = getTimeScale(width());
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	197 if (xc >= 0 && xc <= wd)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	198 {
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	199 xc = time - offs;
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	200 painter.scale(scale, 1.0f);
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	201 painter.setPen(markerColor);
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	202 painter.drawLine(xc, 0, xc, height());
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	203 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	204 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	205
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	206
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	207 void WaveTrackDisplay::mousePressEvent(QMouseEvent *ev)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	208 {
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	209 if (ev->button() == Qt::LeftButton)
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	210 {
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	211 dragPoint = ev->pos();
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	212 dragOffs = offs;
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	213 dragging = false;
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	214 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	215 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	216
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	217
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	218 void WaveTrackDisplay::mouseMoveEvent(QMouseEvent *ev)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	219 {
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	220 if ((ev->buttons() & Qt::LeftButton) && ev->pos().x() != dragPoint.x())
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	221 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	222 dragging = true;
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	223 setOffset(dragOffs - (ev->pos().x() - dragPoint.x()) / scale);
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	224 }
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	225 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	226
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	227
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	228 void WaveTrackDisplay::mouseReleaseEvent(QMouseEvent *ev)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	229 {
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	230 if (ev->button() == Qt::LeftButton)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	231 {
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	232 dragging = false;
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	233 }
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	234 else
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	235 if (ev->button() == Qt::RightButton && !dragging)
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	236 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	237 setTime(offs + getTimeFromCoord(ev->pos().x()));
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	238 }
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	239 }
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	240
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	241
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	242 WaveTrackView::WaveTrackView(QWidget *parent) : QWidget(parent)
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	243 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	244 QHBoxLayout *mainLayout = new QHBoxLayout(this);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	245 mainLayout->setMargin(0);
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	246 wave = new WaveTrackDisplay(this);
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	247
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	248 QFrame *infoLayoutContainer = new QFrame(this);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	249 infoLayoutContainer->setFrameStyle(QFrame::StyledPanel \| QFrame::Plain);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	250 infoLayoutContainer->setLineWidth(2);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	251 // infoLayoutContainer->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Ignored);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	252 // infoLayoutContainer->resize(250, 60);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	253
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	254 QVBoxLayout *infoLayout = new QVBoxLayout(infoLayoutContainer);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	255 infoLayout->setMargin(0);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	256 // QVBoxLayout *infoLayout = new QVBoxLayout();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	257 infoName = new QLabel("Audio");
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	258 infoName->setStyleSheet("QLabel { background-color: black; color: white; padding: 2px; }");
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	259 infoLayout->addWidget(infoName);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	260
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	261 infoData = new QLabel();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	262 infoData->setStyleSheet("QLabel { padding: 2px; }");
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	263 infoLayout->addWidget(infoData);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	264
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	265 mainLayout->addWidget(infoLayoutContainer);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	266 // mainLayout->addLayout(infoLayout);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	267 mainLayout->addWidget(wave);
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	268
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	269 connect(wave, SIGNAL(timeChanged(float)), this, SLOT(slotTimeChanged(float)));
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	270 connect(wave, SIGNAL(offsetChanged(float)), this, SLOT(slotOffsetChanged(float)));
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	271 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	272
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	273
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	274 void WaveTrackView::setWaveform(void *mdata, int msize, int mformat, int mchannels, int mfreq)
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	275 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	276 QString fmt;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	277 switch (mformat)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	278 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	279 case AUDIO_S16SYS: fmt = "16bit (S)"; break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	280 case AUDIO_U16SYS: fmt = "16bit (U)"; break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	281 case AUDIO_S8: fmt = "8bit (S)"; break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	282 case AUDIO_U8: fmt = "8bit (U)"; break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	283 default: fmt = "?"; break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	284 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	285 infoData->setText(QString("<b>%1</b>, <b>%2</b> ch, <b>%3</b> Hz").arg(fmt).arg(mchannels).arg(mfreq));
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	286 wave->setWaveform(mdata, msize, mformat, mchannels, mfreq);
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	287 update();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	288 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	289
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	290
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	291 void WaveTrackView::setName(QString name)
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	292 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	293 infoName->setText(name);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	294 update();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	295 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	296
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	297
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	298 void WaveTrackView::setTime(const float mtime)
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	299 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	300 wave->setTime(mtime);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	301 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	302
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	303
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	304 void WaveTrackView::setOffset(const float moffs)
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	305 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	306 wave->setOffset(moffs);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	307 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	308
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	309
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	310 void WaveTrackView::setScale(const float mscale)
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	311 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	312 wave->setScale(mscale);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	313 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	314
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	315
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	316 float WaveTrackView::getTime()
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	317 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	318 return wave->getTime();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	319 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	320
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	321
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	322 float WaveTrackView::getOffset()
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	323 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	324 return wave->getOffset();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	325 }
391 28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	326
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	327
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	328 float WaveTrackView::getScaledWidth()
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	329 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	330 return wave->getScaledWidth();
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	331 }
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	332
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	333
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	334 void WaveTrackView::slotTimeChanged(float value)
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	335 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	336 emit timeChanged(value);
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	337 }
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	338
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	339
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	340 void WaveTrackView::slotOffsetChanged(float value)
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	341 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	342 emit offsetChanged(value);
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	343 }
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	344
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	345
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	346 float WaveTrackView::getDuration()
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	347 {
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	348 return wave->getDuration();
28a74940f2b6 More work on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 384 diff changeset	349 }

Mercurial > hg > dmlib

annotate edwaveform.cpp @ 391:28a74940f2b6