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-rw-r--r--kradio3/plugins/recording/recording-datamonitor.cpp278
1 files changed, 0 insertions, 278 deletions
diff --git a/kradio3/plugins/recording/recording-datamonitor.cpp b/kradio3/plugins/recording/recording-datamonitor.cpp
deleted file mode 100644
index f2bbe8e..0000000
--- a/kradio3/plugins/recording/recording-datamonitor.cpp
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-/***************************************************************************
- recording-monitor-widget.cpp - description
- -------------------
- begin : So Sep 7 2003
- copyright : (C) 2003 by Martin Witte
- email : witte@kawo1.rwth-aachen.de
- ***************************************************************************/
-
-/***************************************************************************
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- ***************************************************************************/
-
-#include "recording-datamonitor.h"
-//#include "recording-context.h"
-#include <math.h>
-
-#include <tqpainter.h>
-#include <tqimage.h>
-#include <tqpixmap.h>
-#include <kimageeffect.h> // fading, blending, ...
-#include <kpixmapio.h> // fast conversion between TQPixmap/TQImage
-#include <limits.h>
-#include <stdlib.h>
-
-#include <klocale.h>
-
-#define CHANNEL_H_MIN 20
-#define BLOCK_W_MIN 10
-#define W_MIN (20 * (BLOCK_W_MIN))
-
-RecordingDataMonitor::RecordingDataMonitor(TQWidget *parent, const char *name)
- : TQFrame(parent, name),
- m_channelsMax(NULL),
- m_channelsAvg(NULL),
- m_maxValue(INT_MAX),
- m_channels(0),
- m_pActiveBlocks(NULL)
-{
- setFrameStyle(Box | Sunken);
- setLineWidth(1);
- setMidLineWidth(1);
-
- setChannels(2);
-
- setColors(TQColor(20, 244, 20),
- TQColor(10, 117, 10));
-
- setSizePolicy(TQSizePolicy(TQSizePolicy::Expanding, TQSizePolicy::Expanding));
-}
-
-
-RecordingDataMonitor::~RecordingDataMonitor()
-{
- if (m_channelsMax) delete[] m_channelsMax;
- if (m_channelsAvg) delete[] m_channelsAvg;
- if (m_pActiveBlocks) delete[] m_pActiveBlocks;
-}
-
-
-
-// own stuff
-
-void RecordingDataMonitor::setChannels(int n)
-{
- if (n != m_channels) {
- if (m_channelsMax) delete[] m_channelsMax;
- if (m_channelsAvg) delete[] m_channelsAvg;
- if (m_pActiveBlocks) delete[] m_pActiveBlocks;
- m_channels = n > 0 ? n : 0;
- if (m_channels > 0) {
- m_channelsMax = new int[m_channels];
- m_channelsAvg = new double[m_channels];
- m_pActiveBlocks = new int[m_channels];
- for (int i = 0; i < m_channels; ++i) {
- m_pActiveBlocks[i] = 0;
- }
- } else {
- m_channelsMax = NULL;
- m_channelsAvg = NULL;
- m_pActiveBlocks = NULL;
- }
- }
-
- for (int i = 0; i < m_channels; ++i) {
- m_channelsMax[i] = 0;
- m_channelsAvg[i] = 0;
- }
- setMinimumSize(TQSize(W_MIN, (m_channels + 1 )* CHANNEL_H_MIN));
-}
-
-
-// QT/KDE ...
-
-void RecordingDataMonitor::drawContents(TQPainter *painter)
-{
- if (painter)
- internalDrawContents(*painter, true);
-}
-
-void RecordingDataMonitor::internalDrawContents(TQPainter &painter, bool repaintAll)
-{
- if (m_channels <= 0) return;
- TQRect r = contentsRect();
-
- TQPen activePen (colorGroup().color(TQColorGroup::Text), 1);
- TQPen inactivePen (colorGroup().color(TQColorGroup::Mid), 1);
- TQBrush activeBrush = colorGroup().brush(TQColorGroup::Text);
- TQBrush inactiveBrush = colorGroup().brush(TQColorGroup::Mid);
- TQBrush yellowBrush(TQColor(255,255,0));
- TQBrush orangeBrush(TQColor(255,192,0));
- TQBrush redBrush (TQColor(255,0, 0));
-
-
- double ranges [5] = { 0.75, 0.83, 0.91, 1.0, 999 };
- TQBrush *brushes[5] = { &activeBrush, &yellowBrush, &orangeBrush, &redBrush, &redBrush };
-
- painter.setBrush( isEnabled() ? activeBrush : inactiveBrush);
-
- int nBlocks = (r.width()-1) / BLOCK_W_MIN;
- int xoffs = (r.width()-1) % BLOCK_W_MIN;
- int chHeight = (r.height()-1-CHANNEL_H_MIN) / m_channels;
- int yoffs = (r.height()-1) % m_channels;
-
- double min_dB = 20*log10(1 / (double)m_maxValue );
-
- int x0 = xoffs/2 + r.top();
- int y = yoffs/2 + r.left();
- for (int c = 0; c < m_channels; ++c) {
- int x = x0;
-
-
- int startBlock = 0;
- int endBlock = nBlocks - 1;
- int oldActiveBlocks = m_pActiveBlocks[c];
-
- double dBMax = isEnabled() ? 20*log10(m_channelsMax[c] / (double)m_maxValue ) : min_dB;
-
- m_pActiveBlocks[c] = m_channelsMax[c] ? (int)rint(nBlocks * (min_dB - dBMax) / min_dB) : 0;
-
- if (!repaintAll) {
- if (oldActiveBlocks > m_pActiveBlocks[c]) {
- startBlock = m_pActiveBlocks[c];
- endBlock = oldActiveBlocks - 1;
- } else {
- startBlock = oldActiveBlocks;
- endBlock = m_pActiveBlocks[c]-1;
- }
- }
-
- int range = 0;
-
- x += BLOCK_W_MIN * startBlock;
- for (int b = startBlock; b <= endBlock; ++b) {
- while (b >= nBlocks * ranges[range]) ++range;
- painter.fillRect(x+1, y+1, BLOCK_W_MIN-1, chHeight-1,
- b < m_pActiveBlocks[c] ? *brushes[range] : inactiveBrush);
- x += BLOCK_W_MIN;
- }
-
- y += chHeight;
- }
-
- if (repaintAll) {
- TQFont f("Helvetica");
- painter.setPen (activePen);
- f.setPixelSize(CHANNEL_H_MIN);
- painter.setFont(f);
-
- int maxW = TQFontMetrics(f).width(i18n("%1 dB").arg((int)min_dB));
- int delta_dB = 5;
- while (abs((long)min_dB) / delta_dB * maxW * 2 > r.width()) delta_dB *= 2;
-
- for (int dB = 0; dB >= min_dB; dB -= delta_dB) {
- TQString txt = i18n("%1 dB").arg(dB);
- int w = TQFontMetrics(f).width(txt);
- int x = x0 + (int)(nBlocks * BLOCK_W_MIN * (min_dB - dB) / min_dB) - w;
- if (x < x0) continue;
- painter.drawText(x, y + CHANNEL_H_MIN, txt);
- }
- }
-}
-
-
-bool RecordingDataMonitor::setColors(const TQColor &activeText,
- const TQColor &button)
-{
- m_colorActiveText = activeText;
- m_colorButton = button;
-
- TQPalette pl = palette();
- TQColorGroup cg = pl.inactive();
-
- TQBrush fg = cg.brush(TQColorGroup::Foreground),
- btn = cg.brush(TQColorGroup::Button),
- lgt = cg.brush(TQColorGroup::Light),
- drk = cg.brush(TQColorGroup::Dark),
- mid = cg.brush(TQColorGroup::Mid),
- txt = cg.brush(TQColorGroup::Text),
- btx = cg.brush(TQColorGroup::BrightText),
- bas = cg.brush(TQColorGroup::Base),
- bg = cg.brush(TQColorGroup::Background);
-
- fg.setColor (m_colorActiveText);
- btn.setColor(m_colorButton);
- lgt.setColor(m_colorButton.light(180));
- drk.setColor(m_colorButton.light( 50));
- mid.setColor(m_colorButton.light( 75));
- txt.setColor(m_colorActiveText);
- btx.setColor(m_colorActiveText);
- bas.setColor(m_colorButton);
- bg.setColor (m_colorButton);
-
- TQColorGroup ncg(fg, btn, lgt, drk, mid, txt, btx, bas, bg);
- pl.setInactive(ncg);
- pl.setActive(ncg);
- setPalette(pl);
-
- if (parentWidget() && parentWidget()->backgroundPixmap() ){
- KPixmapIO io;
- TQImage i = io.convertToImage(*parentWidget()->backgroundPixmap());
- KImageEffect::fade(i, 0.5, colorGroup().color(TQColorGroup::Dark));
- setPaletteBackgroundPixmap(io.convertToPixmap(i));
- setBackgroundOrigin(WindowOrigin);
- } else {
- setBackgroundColor(colorGroup().color(TQColorGroup::Button));
- }
-
- return true;
-}
-
-
-bool RecordingDataMonitor::noticeSoundStreamData(SoundStreamID /*id*/,
- const SoundFormat &sf, const char *data, size_t size, size_t &/*consumed_size*/,
- const SoundMetaData &/*md*/
-)
-{
- if (!isEnabled())
- return false;
- int nSamples = size / sf.frameSize();
- int sample_size = sf.sampleSize();
-
- int bias = 0;
- setChannels(sf.m_Channels);
- int old_max = m_maxValue;
- m_maxValue = sf.maxValue();
- if (!sf.m_IsSigned) {
- m_maxValue /= 2;
- bias = -m_maxValue;
- }
-
- int c = 0;
- for (int s = 0; s < nSamples; ++s, ++c, data += sample_size) {
- if (c >= m_channels) c -= m_channels; // avoid slow c = s % m_channels
-
- int &m = m_channelsMax[c];
- int x = abs(sf.convertSampleToInt(data, false) + bias);
- if (m < x) m = x;
- m_channelsAvg[c] += x;
- }
- for (int i = 0; i < m_channels; ++i)
- m_channelsAvg[i] /= nSamples;
-
- TQPainter paint(this);
- if (m_maxValue != old_max) {
- repaint(true);
- } else {
- internalDrawContents(paint, false);
- }
- return true;
-}
-
-
-#include "recording-datamonitor.moc"
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