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Diffstat (limited to 'src/shadedvisual.cpp')
| -rw-r--r-- | src/shadedvisual.cpp | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/shadedvisual.cpp b/src/shadedvisual.cpp new file mode 100644 index 000000000..e7bb5d683 --- /dev/null +++ b/src/shadedvisual.cpp @@ -0,0 +1,199 @@ +/*************************************************************************** + * Copyright (C) 2007 by Ilya Kotov * + * forkotov02@hotmail.ru * + * * + * 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. * + * * + * 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., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#include <QTimer> +#include <math.h> +#include "skin.h" +#include "mainvisual.h" +#include "inlines.h" + + +#include "shadedvisual.h" + +ShadedVisual::ShadedVisual(QWidget *parent) + : Visual(parent) +{ + setFixedSize(38,5); + m_pixmap = QPixmap (38,5); + m_skin = Skin::getPointer(); + m_timer = new QTimer(this); + connect(m_timer, SIGNAL (timeout()), this, SLOT (timeout())); + connect(m_skin, SIGNAL(skinChanged()), this, SLOT(updateSkin())); + m_timer->setInterval(50); + m_timer->start(); + clear(); +} + + +ShadedVisual::~ShadedVisual() +{ +} + +void ShadedVisual::add(Buffer *b, unsigned long w, int c, int p) +{ + if (!m_timer->isActive ()) + return; + long len = b->nbytes, cnt; + short *l = 0, *r = 0; + + len /= c; + len /= ( p / 8 ); + if ( len > 512 ) + len = 512; + cnt = len; + + if ( c == 2 ) + { + l = new short[len]; + r = new short[len]; + + if ( p == 8 ) + stereo16_from_stereopcm8 ( l, r, b->data, cnt ); + else if ( p == 16 ) + stereo16_from_stereopcm16 ( l, r, ( short * ) b->data, cnt ); + } + else if ( c == 1 ) + { + l = new short[len]; + + if ( p == 8 ) + mono16_from_monopcm8 ( l, b->data, cnt ); + else if ( p == 16 ) + mono16_from_monopcm16 ( l, ( short * ) b->data, cnt ); + } + else + len = 0; + + if (len) + m_nodes.append (new VisualNode (l, r, len, w)); +} + +void ShadedVisual::clear() +{ + while (!m_nodes.isEmpty()) + m_nodes.removeFirst(); + m_l = 0; + m_r = 0; + m_pixmap.fill(m_skin->getVisColor(0)); + update(); +}; + +void ShadedVisual::timeout() +{ + VisualNode *node = 0; + m_pixmap.fill(m_skin->getVisColor(0)); + + if ( /*playing &&*/ output()) + { + //output()->mutex()->lock (); + //long olat = output()->latency(); + //long owrt = output()->written(); + //output()->mutex()->unlock(); + + //long synctime = owrt < olat ? 0 : owrt - olat; + + mutex()->lock (); + VisualNode *prev = 0; + while ((!m_nodes.isEmpty())) + { + node = m_nodes.takeFirst(); + /*if ( node->offset > synctime ) + break;*/ + + if (prev) + delete prev; + prev = node; + } + mutex()->unlock(); + node = prev; + } + + if (!node) + return; + process (node); + delete node; + QPainter p(&m_pixmap); + draw (&p); + update(); +} + +void ShadedVisual::process (VisualNode *node) +{ + if (!node) + return; + + int step = (node->length << 8)/74; + int pos = 0; + int l = 0; + int r = 0; + int j_l = 0, j_r = 0; + + for (int i = 0; i < 75; ++i) + { + pos += step; + j_l = abs((node->left[pos >> 8] >> 12)); + j_r = abs((node->right[pos >> 8] >> 12)); + + if (j_l > 15) + j_l = 15; + if (j_r > 15) + j_r = 15; + l = qMax(l, j_l); + r = qMax(r, j_r); + } + m_l -= 0.5; + m_l = m_l > l ? m_l : l; + m_r -= 0.5; + m_r = m_r > r ? m_r : r; +} + +void ShadedVisual::draw (QPainter *p) +{ + for(int i = 0; i < m_l; ++i) + { + p->fillRect (i*3, 0, 3, 2, QBrush(m_skin->getVisColor (17-i))); + } + for(int i = 0; i < m_r; ++i) + { + p->fillRect (i*3, 3, 3, 2, QBrush(m_skin->getVisColor (17-i))); + } +} + +void ShadedVisual::paintEvent (QPaintEvent *) +{ + QPainter painter (this); + painter.drawPixmap (0,0,m_pixmap); +} + +void ShadedVisual::hideEvent (QHideEvent *) +{ + m_timer->stop(); +} + +void ShadedVisual::showEvent (QShowEvent *) +{ + m_timer->start(); +} + +void ShadedVisual::updateSkin() +{ + clear(); +} + |