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added Drag&Drop to BitInvader plugin

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git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@79 0778d3d1-df1d-0410-868b-ea421aaaa00d
This commit is contained in:
Andreas Brandmaier
2006-02-06 23:35:20 +00:00
parent a2c6c92035
commit e3e8f539d7
5 changed files with 100 additions and 60 deletions
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11
ChangeLog
View File

@@ -1,3 +1,14 @@
2006-02-06 Andreas Brandmaier <andy/at/brandmaier.de>
* plugins/bitinvader/bitinvader.cpp
* plugins/bitinvader/bitinvader.h
* plugins/bitinvader/graph.cpp
* plugins/bitinvader/graph.h
- code cleanup
- added drag&drop support to wavegraph
- added new BitInvader presets and improved old ones
2006-02-05 Tobias Doerffel <tobydox/at/users.sourceforge.net>
* include/basic_filters.h:

63
plugins/bit_invader/bit_invader.cpp
View File

@@ -113,11 +113,7 @@ bSynth::bSynth(float* shape, int length, float _pitch, bool _interpolation, floa
sample_step = static_cast<float>( sample_length /
((float)mixer::inst()->sampleRate() / _pitch) );
/* cout << "Sample length: " << sample_length << endl <<
"Sample rate : " << mixer::inst()->sampleRate() << endl <<
"Frequency : " << _pitch << endl <<
"Sample step : " << sample_step << endl;
*/
}
@@ -194,13 +190,13 @@ bitInvader::bitInvader( channelTrack * _channel_track ) :
}
m_pickKnob = new knob( knobDark_28, this, tr( "Samplelength" ) );
m_pickKnob->setRange( 8, 128, 1 );
m_pickKnob->setValue( 128, TRUE );
m_pickKnob->move( 10, 120 );
m_pickKnob->setHintText( tr( "Sample Length" ) + " ", "" );
m_sampleLengthKnob = new knob( knobDark_28, this, tr( "Samplelength" ) );
m_sampleLengthKnob->setRange( 8, 128, 1 );
m_sampleLengthKnob->setValue( 128, TRUE );
m_sampleLengthKnob->move( 10, 120 );
m_sampleLengthKnob->setHintText( tr( "Sample Length" ) + " ", "" );
connect( m_pickKnob, SIGNAL( valueChanged( float ) ),
connect( m_sampleLengthKnob, SIGNAL( valueChanged( float ) ),
this, SLOT ( sampleSizeChanged( float ) )
);
@@ -216,13 +212,14 @@ bitInvader::bitInvader( channelTrack * _channel_track ) :
connect( m_normalizeToggle, SIGNAL( toggled( bool ) ),
this, SLOT ( normalizeToggle( bool ) ) );
sample_length = 128;
sample_shape = new float[128];
emit( sinWaveClicked() );
m_graph = new graph( "", this );
m_graph->move(53,118); // 55,120 - 2px border
m_graph->setSamplePointer( sample_shape, sample_length );
m_graph->setCursor( QCursor( Qt::CrossCursor ) );
toolTip::add( m_graph, tr ( "Draw your own waveform here"
"by dragging your mouse onto this graph"
));
QPixmap p = PLUGIN_NAME::getIconPixmap("wavegraph3") ;
@@ -334,6 +331,14 @@ bitInvader::bitInvader( channelTrack * _channel_track ) :
#else
setErasePixmap( PLUGIN_NAME::getIconPixmap( "artwork" ) );
#endif
sample_length = 128;
sample_shape = new float[128];
m_graph->setSamplePointer( sample_shape, sample_length );
emit( sinWaveClicked() );
}
@@ -377,7 +382,7 @@ void bitInvader::sinWaveClicked( void )
void bitInvader::triangleWaveClicked( void )
{
// generate a Triangle wave using static oscillator-method
for (int i=0; i < sample_length; i++)
for (int i=0; i < sample_length; i++)
{
sample_shape[i] = oscillator::triangleSample( i/static_cast<float>(sample_length) );
}
@@ -391,22 +396,22 @@ void bitInvader::sawWaveClicked( void )
{
// generate a Saw wave using static oscillator-method
for (int i=0; i < sample_length; i++)
{
{
sample_shape[i] = oscillator::sawSample( i/static_cast<float>(sample_length) );
}
}
sampleChanged();
sampleChanged();
}
void bitInvader::sqrWaveClicked( void )
{
// generate a Sqr wave using static oscillator-method
for (int i=0; i < sample_length; i++)
{
{
sample_shape[i] = oscillator::squareSample( i/static_cast<float>(sample_length) );
}
}
sampleChanged();
sampleChanged();
}
@@ -414,11 +419,11 @@ void bitInvader::noiseWaveClicked( void )
{
// generate a Noise wave using static oscillator-method
for (int i=0; i < sample_length; i++)
{
{
sample_shape[i] = oscillator::noiseSample( i/static_cast<float>(sample_length) );
}
}
sampleChanged();
sampleChanged();
}
@@ -441,7 +446,6 @@ void bitInvader::usrWaveClicked( void )
sample_length = min( sample_length, static_cast<int>(buffer.frames()) );
for ( int i = 0; i < sample_length; i++ )
{
// sample_shape = (float*)buffer.data();
sample_shape[i] = (float)*buffer.data()[i];
}
}
@@ -602,7 +606,7 @@ void bitInvader::loadSettings( const QDomElement & _this )
sample_length = _this.attribute( "sampleLength" ).toInt() ;
// Load knobs (fires change SIGNAL?)
m_pickKnob->setValue( static_cast<float>(sample_length) );
m_sampleLengthKnob->setValue( static_cast<float>(sample_length) );
// Load sample shape
delete[] sample_shape;
@@ -693,10 +697,7 @@ void bitInvader::playNote( notePlayHandle * _n )
}
_n->m_pluginData = new bSynth( sample_shape, sample_length,freq
, interpolation, factor
//, m_pickKnob->value()
//m_pickupKnob->value()
);
, interpolation, factor );
}
const Uint32 frames = mixer::inst()->framesPerAudioBuffer();

3
plugins/bit_invader/bit_invader.h
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@@ -108,8 +108,7 @@ protected:
*/
private:
knob * m_pickKnob;
knob * m_pickupKnob;
knob * m_sampleLengthKnob;
pixmapButton * sinWaveBtn;
pixmapButton * triangleWaveBtn;

66
plugins/bit_invader/graph.cpp
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@@ -41,7 +41,8 @@
#include "graph.h"
#include "string_pair_drag.h"
#include "sample_buffer.h"
#include <iostream>
#include <cstdlib>
@@ -53,11 +54,12 @@ graph::graph( const QString & _text, QWidget * _parent) :
QWidget( _parent )
{
m_background = NULL;
// m_background = 0; TODO
m_mouseDown = false;
setFixedSize( 132, 104 );
setAcceptDrops( TRUE );
#ifndef QT4
setBackgroundMode( NoBackground );
@@ -75,8 +77,6 @@ graph::~graph()
void graph::setBackground( const QPixmap &_pixmap )
{
m_background = _pixmap;
// setErasePixmap ( m_background );
}
void graph::setSamplePointer( float * _pointer, int _length )
@@ -86,11 +86,32 @@ void graph::setSamplePointer( float * _pointer, int _length )
update();
}
void graph::loadSampleFromFile( const QString filename )
{
// zero sample_shape
for (int i = 0; i < sampleLength; i++)
{
samplePointer[i] = 0;
}
// load user shape
sampleBuffer buffer;
buffer.setAudioFile( filename );
// copy buffer data
sampleLength = min( sampleLength, static_cast<int>(buffer.frames()) );
for ( int i = 0; i < sampleLength; i++ )
{
samplePointer[i] = (float)*buffer.data()[i];
}
}
void graph::mouseMoveEvent ( QMouseEvent * _me )
{
// get position
int x = _me->x();
// get position
int x = _me->x();
int y = _me->y();
@@ -104,10 +125,6 @@ void graph::mouseMoveEvent ( QMouseEvent * _me )
} else {
x = m_lastCursorX;
}
// QCursor::setPos( 1, 1 );
changeSampleAt( x, y );
@@ -143,15 +160,15 @@ void graph::changeSampleAt(int _x, int _y)
_x -= 2;
_y -= 2;
// boundary check
if (_x < 0) { return; }
if (_x > sampleLength) { return; }
// boundary check
if (_x < 0) { return; }
if (_x > sampleLength) { return; }
if (_y < 0) { return; }
if (_y >= 100) { return; }
_y = 100 - _y;
// change sample shape
samplePointer[_x] = (_y-50.0)/50.0;
samplePointer[_x] = (_y-50.0)/50.0;
emit sampleChanged();
@@ -219,5 +236,26 @@ void graph::paintEvent( QPaintEvent * )
}
void graph::dropEvent( QDropEvent * _de )
{
QString type = stringPairDrag::decodeKey( _de );
QString value = stringPairDrag::decodeValue( _de );
if( type == "samplefile" )
{
loadSampleFromFile( value );
_de->accept();
}
}
void graph::dragEnterEvent( QDragEnterEvent * _dee )
{
if( stringPairDrag::processDragEnterEvent( _dee,
QString( "samplefile" ) ) == FALSE )
{
_dee->ignore();
}
}
#include "graph.moc"

17
plugins/bit_invader/graph.h
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@@ -49,20 +49,12 @@ class graph : public QWidget
{
Q_OBJECT
public:
/* enum ledColors
{
YELLOW, GREEN, TOTAL_COLORS
} ;
*/
graph( const QString & _txt, QWidget * _parent//,
//ledColors _color = YELLOW
);
graph( const QString & _txt, QWidget * _parent );
virtual ~graph();
void setSamplePointer( float * pointer, int length );
void setBackground ( const QPixmap & _pixmap );
void graph::loadSampleFromFile( QString filename );
signals:
void sampleSizeChanged( float f );
@@ -70,6 +62,8 @@ signals:
protected:
virtual void paintEvent( QPaintEvent * _pe );
virtual void dropEvent( QDropEvent * _de );
virtual void dragEnterEvent( QDragEnterEvent * _dee );
virtual void mousePressEvent( QMouseEvent * _me );
virtual void mouseMoveEvent( QMouseEvent * _me );
virtual void mouseReleaseEvent( QMouseEvent * _me );
@@ -86,9 +80,6 @@ private:
bool m_mouseDown;
int m_lastCursorX;
//signals:
// void toggled( bool );
} ;