From e40fc849149dd97c248866a4a1d026dda5e57b62 Mon Sep 17 00:00:00 2001 From: Robert Jonsson Date: Mon, 7 Mar 2011 19:01:11 +0000 Subject: clean3 --- muse_qt4_evolution/awl/mslider.cpp | 273 ------------------------------------- 1 file changed, 273 deletions(-) delete mode 100644 muse_qt4_evolution/awl/mslider.cpp (limited to 'muse_qt4_evolution/awl/mslider.cpp') diff --git a/muse_qt4_evolution/awl/mslider.cpp b/muse_qt4_evolution/awl/mslider.cpp deleted file mode 100644 index 63c3ea4e..00000000 --- a/muse_qt4_evolution/awl/mslider.cpp +++ /dev/null @@ -1,273 +0,0 @@ -//============================================================================= -// Awl -// Audio Widget Library -// $Id:$ -// -// Copyright (C) 2002-2006 by Werner Schweer and others -// -// This program is free software; you can redistribute it and/or modify -// it under the terms of the GNU General Public License version 2. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program; if not, write to the Free Software -// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -//============================================================================= - -#include "fastlog.h" - -#include "mslider.h" - -namespace Awl { - -//--------------------------------------------------------- -// MeterSlider -//--------------------------------------------------------- - -MeterSlider::MeterSlider(QWidget* parent) - : VolSlider(parent) - { - setAttribute(Qt::WA_NoSystemBackground, true); -// setAutoFillBackground(true); - _channel = 0; - yellowScale = -16; //-10; - redScale = 0; - _meterWidth = _scaleWidth * 3; - setChannel(1); - setMinimumHeight(50); - } - -//--------------------------------------------------------- -// sizeHint -//--------------------------------------------------------- - -QSize MeterSlider::sizeHint() const - { - int w = _meterWidth + _scaleWidth + _scaleWidth + 30; - return orientation() == Qt::Vertical ? QSize(w, 200) : QSize(200, w); - } - -//--------------------------------------------------------- -// setChannel -//--------------------------------------------------------- - -void MeterSlider::setChannel(int n) - { - if (n > _channel) { - for (int i = _channel; i < n; ++i) { - meterval.push_back(0.0f); - meterPeak.push_back(0.0f); - } - } - _channel = n; - } - -//--------------------------------------------------------- -// setMeterVal -//--------------------------------------------------------- - -void MeterSlider::setMeterVal(int channel, double v, double peak) - { - bool mustRedraw = false; - if (meterval[channel] != v) { - meterval[channel] = v; - mustRedraw = true; - } - if (peak != meterPeak[channel]) { - meterPeak[channel] = peak; - mustRedraw = true; - } - if (mustRedraw) { - int kh = sliderSize().height(); - int mh = height() - kh; - update(20, kh / 2, _meterWidth-1, mh); - } - } - -//--------------------------------------------------------- -// resetPeaks -// reset peak and overflow indicator -//--------------------------------------------------------- - -void MeterSlider::resetPeaks() - { - for (int i = 0; i < _channel; ++i) - meterPeak[i] = meterval[i]; - update(); - } - -//--------------------------------------------------------- -// resizeEvent -//--------------------------------------------------------- - -void MeterSlider::resizeEvent(QResizeEvent* /*ev*/) - { - int h = height(); - int kh = sliderSize().height(); - int mh = h - kh; - int mw = _meterWidth / _channel; - - onPm = QPixmap(mw, mh); - offPm = QPixmap(mw, mh); - - double range = maxValue() - minValue(); - int h1 = mh - lrint((maxValue() - redScale) * mh / range); - int h2 = mh - lrint((maxValue() - yellowScale) * mh / range); - - QColor yellowRed; - yellowRed.setHsv(QColor(Qt::yellow).hue()-8, - QColor(Qt::yellow).saturation(), - QColor(Qt::yellow).value()); - QColor yellRedRed; - yellRedRed.setHsv(QColor(Qt::yellow).hue()-16, - QColor(Qt::yellow).saturation(), - QColor(Qt::yellow).value()); - - QLinearGradient linearGrad(QPointF(0, 0), QPointF(0, mh)); - linearGrad.setColorAt(0, Qt::red); - linearGrad.setColorAt(1-(double)(h1-5)/(double)mh, yellRedRed); - linearGrad.setColorAt(1-(double)(h1-6)/(double)mh, yellowRed); - linearGrad.setColorAt(1-(double)h2/(double)mh, Qt::yellow); - linearGrad.setColorAt(1, Qt::green); - - QColor darkYellowRed; - darkYellowRed.setHsv(QColor(Qt::darkYellow).hue()-8, - QColor(Qt::darkYellow).saturation(), - QColor(Qt::darkYellow).value()); - QColor darkYellRedRed; - darkYellRedRed.setHsv(QColor(Qt::darkYellow).hue()-16, - QColor(Qt::darkYellow).saturation(), - QColor(Qt::darkYellow).value()); - QLinearGradient linearDarkGrad(QPointF(0, 0), QPointF(0, mh)); - linearDarkGrad.setColorAt(0, Qt::darkRed); - linearDarkGrad.setColorAt(1-(double)(h1-5)/(double)mh, darkYellRedRed); - linearDarkGrad.setColorAt(1-(double)(h1-6)/(double)mh, darkYellowRed); - linearDarkGrad.setColorAt(1-(double)h2/(double)mh, Qt::darkYellow); - linearDarkGrad.setColorAt(1, Qt::darkGreen); - - QPainter p; - p.begin(&onPm); - p.fillRect(0, 0, mw, mh, linearGrad); - p.end(); - p.begin(&offPm); - p.fillRect(0, 0, mw, mh, linearDarkGrad); - p.end(); - } - -//--------------------------------------------------------- -// paintEvent -//--------------------------------------------------------- - -void MeterSlider::paintEvent(QPaintEvent* ev) - { - int pixel = height() - sliderSize().height(); - double range = maxValue() - minValue(); - int ppos = int(pixel * (_value - minValue()) / range); - if (_invert) - ppos = pixel - ppos; - - QPainter p(this); - p.setRenderHint(QPainter::Antialiasing, false); - - int h = height(); - int kh = sliderSize().height(); - - //--------------------------------------------------- - // draw meter - //--------------------------------------------------- - - int mw = _meterWidth / _channel; - int x = 20; - int y1 = kh / 2; - int y3 = h - y1; - - int mh = h - kh; - p.setPen(QPen(Qt::white, 2)); - - for (int i = 0; i < _channel; ++i) { - int h = mh - (lrint(fast_log10(meterval[i]) * -20.0f * mh / range)); - if (h < 0) - h = 0; - else if (h > mh) - h = mh; - - p.drawPixmap(x, y1+mh-h, mw, h, onPm, 0, y1+mh-h, mw, h); - p.drawPixmap(x, y1, mw, mh-h, offPm, 0, y1, mw, mh-h); - - //--------------------------------------------------- - // draw peak line - //--------------------------------------------------- - - h = mh - (lrint(fast_log10(meterPeak[i]) * -20.0f * mh / range)); - if (h > mh) - h = mh; - if (h > 0) - p.drawLine(x, y3-h, x+mw, y3-h); - - x += mw; - } - - // optimize common case: - if (ev->rect() == QRect(20, kh/2, _meterWidth-1, mh)) - return; - - QColor sc(isEnabled() ? _scaleColor : Qt::gray); - QColor svc(isEnabled() ? _scaleValueColor : Qt::gray); - p.setBrush(svc); - - //--------------------------------------------------- - // draw scale - //--------------------------------------------------- - - int y2 = h - (ppos + y1); - p.fillRect(x, y1, _scaleWidth, y2-y1, sc); - p.fillRect(x, y2, _scaleWidth, y3-y2, svc); - - //--------------------------------------------------- - // draw tick marks - //--------------------------------------------------- - - QFont f(p.font()); - f.setPointSize(6); - p.setFont(f); - p.setPen(QPen(Qt::darkGray, 2)); - QFontMetrics fm(f); - int xt = 20 - fm.width("00") - 5; - - QString s; - for (int i = 10; i < 70; i += 10) { - h = y1 + lrint(i * mh / range); - s.setNum(i - 10); - p.drawText(xt, h - 3, s); - p.drawLine(15, h, 20, h); - } - - //--------------------------------------------------- - // draw slider - //--------------------------------------------------- - - x += _scaleWidth/2; - p.setPen(QPen(svc, 0)); - p.translate(QPointF(x, y2)); - p.setRenderHint(QPainter::Antialiasing, true); - p.drawPath(*points); - } - -//--------------------------------------------------------- -// mousePressEvent -//--------------------------------------------------------- - -void MeterSlider::mousePressEvent(QMouseEvent* ev) - { - if (ev->pos().x() < _meterWidth) { - emit meterClicked(); - return; - } - VolSlider::mousePressEvent(ev); - } -} - -- cgit v1.2.3