dmlib: edwaveform.cpp annotate

annotate edwaveform.cpp @ 384:e5220ff48bc8

Slowly working on the editor.

author	Matti Hamalainen <ccr@tnsp.org>
date	Thu, 18 Oct 2012 20:10:13 +0300
parents	40e33ad0d153
children	28a74940f2b6

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
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	6 WaveDisplay::WaveDisplay(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;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	9 len = 0;
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;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	15
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	16 setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	17 }
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
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	20 void WaveDisplay::setWaveform(void *mdata, int mlen, int mformat, int mchannels, int mfreq)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	21 {
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	22 data = mdata;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	23 len = mlen;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	24 format = mformat;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	25 channels = mchannels;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	26 freq = mfreq;
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	27 update();
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	28 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	29
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	30
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	31 void WaveDisplay::setTime(const int mtime)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	32 {
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	33 time = mtime;
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	34 update();
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	35 }
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
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	38 void WaveDisplay::setOffset(const int moffs)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	39 {
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	40 offs = moffs;
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	41 update();
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	42 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	43
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	44
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	45 void WaveDisplay::setScale(const float mscale)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	46 {
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	47 if (mscale > 0.05)
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	48 scale = mscale;
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	49 update();
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	50 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	51
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	52
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	53 int WaveDisplay::getTime()
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	54 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	55 return time;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	56 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	57
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	58
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	59 int WaveDisplay::getOffset()
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	60 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	61 return offs;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	62 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	63
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	64
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	65 void WaveDisplay::paintEvent(QPaintEvent *)
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 QColor waveColor(0, 150, 0);
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	68 QColor waveCenterLine(0, 0, 0);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	69 QColor markerColor(0,0,0);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	70 QColor bgColor(0, 0, 0);//255, 255, 255);
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	71
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	72 QPainter painter(this);
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	73 painter.setRenderHint(QPainter::Antialiasing);
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	74 painter.fillRect(QRect(0, 0, width(), height()), bgColor);
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	75
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	76 if (data != NULL)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	77 {
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	78 int voffs = 0;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	79
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	80 painter.save();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	81 painter.translate(0, height() / 2);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	82
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	83 painter.setPen(waveCenterLine);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	84 painter.drawLine(0, 0, width(), 0);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	85
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	86 switch (format)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	87 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	88 case AUDIO_S16SYS:
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	89 painter.scale(1.0f, (float) height() / 32768.0f);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	90 break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	91 case AUDIO_U16SYS:
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	92 voffs = -32768;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	93 painter.scale(1.0f, height() / 32768.0f);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	94 break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	95
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	96 case AUDIO_S8:
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	97 painter.scale(1.0f, height() / 128.0f);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	98 break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	99 case AUDIO_U8:
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	100 voffs = -128;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	101 painter.scale(1.0f, height() / 128.0f);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	102 break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	103 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	104
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	105 painter.scale(1.0f, 0.7f);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	106 painter.setPen(waveColor);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	107
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	108 int prevY = 0, prevX = 0;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	109 if (format == AUDIO_S16SYS \|\| format == AUDIO_U16SYS)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	110 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	111 qint16 buf = (qint16 ) data;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	112 for (int xc = 0; xc < width(); xc++)
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 int value = buf[(int) (((offs + xc) * scale)) * channels] + voffs;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	115 painter.drawLine(prevX, prevY, xc, value);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	116 prevY = value;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	117 prevX = xc;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	118 }
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 else
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	121 if (format == AUDIO_S8 \|\| format == AUDIO_U8)
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 qint8 buf = (qint8 ) data;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	124 for (int xc = 0; xc < width(); xc++)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	125 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	126 int value = buf[((int) ((offs + xc) * scale)) * channels] + voffs;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	127 painter.drawLine(prevX, prevY, xc, value);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	128 prevY = value;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	129 prevX = xc;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	130 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	131 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	132
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	133 painter.restore();
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	134 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	135
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	136 if (time >= offs * scale) // && time - offs <= width() * scale)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	137 {
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	138 int xc = time - offs;
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	139 painter.scale(1.0f / scale, 1.0f);
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	140 painter.setPen(markerColor);
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	141 painter.drawLine(xc, 0, xc, height());
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	142 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	143 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	144
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	145
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	146 void WaveDisplay::mousePressEvent(QMouseEvent *ev)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	147 {
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	148 /*
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	149 if (ev->button() == Qt::LeftButton)
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	150 {
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	151 lastPoint = ev->pos();
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	152 scribbling = true;
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	153 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	154 */
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	155 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	156
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	157
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	158 void WaveDisplay::mouseMoveEvent(QMouseEvent *ev)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	159 {
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	160 /*
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	161 if ((ev->buttons() & Qt::LeftButton) && scribbling)
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	162 drawLineTo(ev->pos());
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	163 */
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	164 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	165
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	166
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	167 void WaveDisplay::mouseReleaseEvent(QMouseEvent *ev)
357 1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	168 {
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	169 /*
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	170 if (ev->button() == Qt::LeftButton && scribbling)
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	171 {
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	172 drawLineTo(ev->pos());
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	173 scribbling = false;
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	174 }
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	175 */
1b8362a26692 Work towards Qt based editor. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	176 }
384 e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	177
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 WaveformView::WaveformView(QWidget *parent) : QWidget(parent)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	180 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	181 QHBoxLayout *mainLayout = new QHBoxLayout(this);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	182 mainLayout->setMargin(0);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	183 wave = new WaveDisplay(this);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	184
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	185 QFrame *infoLayoutContainer = new QFrame(this);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	186 infoLayoutContainer->setFrameStyle(QFrame::StyledPanel \| QFrame::Plain);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	187 infoLayoutContainer->setLineWidth(2);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	188 // infoLayoutContainer->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Ignored);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	189 // infoLayoutContainer->resize(250, 60);
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 QVBoxLayout *infoLayout = new QVBoxLayout(infoLayoutContainer);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	192 infoLayout->setMargin(0);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	193 // QVBoxLayout *infoLayout = new QVBoxLayout();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	194 infoName = new QLabel("Audio");
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	195 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	196 infoLayout->addWidget(infoName);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	197
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	198 infoData = new QLabel();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	199 infoData->setStyleSheet("QLabel { padding: 2px; }");
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	200 infoLayout->addWidget(infoData);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	201
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	202 mainLayout->addWidget(infoLayoutContainer);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	203 // mainLayout->addLayout(infoLayout);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	204 mainLayout->addWidget(wave);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	205 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	206
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	207
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	208 void WaveformView::setWaveform(void *mdata, int mlen, int mformat, int mchannels, int mfreq)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	209 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	210 QString fmt;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	211 switch (mformat)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	212 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	213 case AUDIO_S16SYS: fmt = "16bit (S)"; break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	214 case AUDIO_U16SYS: fmt = "16bit (U)"; break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	215 case AUDIO_S8: fmt = "8bit (S)"; break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	216 case AUDIO_U8: fmt = "8bit (U)"; break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	217 default: fmt = "?"; break;
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	218 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	219 infoData->setText(QString("<b>%1</b>, <b>%2</b> ch, <b>%3</b> Hz").arg(fmt).arg(mchannels).arg(mfreq));
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	220 wave->setWaveform(mdata, mlen, mformat, mchannels, mfreq);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	221 update();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	222 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	223
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	224
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	225 void WaveformView::setName(QString name)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	226 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	227 infoName->setText(name);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	228 update();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	229 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	230
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	231 void WaveformView::setTime(const int mtime)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	232 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	233 wave->setTime(mtime);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	234 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	235
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	236 void WaveformView::setOffset(const int moffs)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	237 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	238 wave->setOffset(moffs);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	239 }
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 void WaveformView::setScale(const float mscale)
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	242 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	243 wave->setScale(mscale);
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	244 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	245
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	246 int WaveformView::getTime()
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 return wave->getTime();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	249 }
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	250
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	251 int WaveformView::getOffset()
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	252 {
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	253 return wave->getOffset();
e5220ff48bc8 Slowly working on the editor. Matti Hamalainen <ccr@tnsp.org> parents: 376 diff changeset	254 }

Mercurial > hg > dmlib

annotate edwaveform.cpp @ 384:e5220ff48bc8