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speed optimization

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This commit is contained in:
Volker Fischer 2009-05-02 10:23:23 +00:00
parent b375e3a9c8
commit 0597f63815
3 changed files with 100 additions and 53 deletions
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2
src/multicolorled.h
View file

@ -60,7 +60,7 @@ public:
void SetLight ( const int iNewStatus );
protected:
enum ELightColor { RL_GREY, RL_RED, RL_GREEN, RL_YELLOW };
enum ELightColor { RL_GREY, RL_GREEN, RL_YELLOW, RL_RED };
ELightColor eColorFlag;
void UpdateColor();

126
src/multicolorledbar.cpp
View file

@ -30,11 +30,7 @@
/* Implementation *************************************************************/
CMultiColorLEDBar::CMultiColorLEDBar ( QWidget* parent, Qt::WindowFlags f )
: QFrame ( parent, f ),
BitmCubeRoundGrey ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDGreySmall.png" ) ),
BitmCubeRoundGreen ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDGreenSmall.png" ) ),
BitmCubeRoundYellow ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDYellowSmall.png" ) ),
BitmCubeRoundRed ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDRedSmall.png" ) )
: QFrame ( parent, f )
{
// set total number of LEDs
iNumLEDs = NUM_STEPS_INP_LEV_METER;
@ -47,65 +43,103 @@ CMultiColorLEDBar::CMultiColorLEDBar ( QWidget* parent, Qt::WindowFlags f )
// create LEDs
vecpLEDs.Init ( iNumLEDs );
for ( int i = 0; i < iNumLEDs; i++ )
for ( int iLEDIdx = 0; iLEDIdx < iNumLEDs; iLEDIdx++ )
{
// create LED label
vecpLEDs[i] = new QLabel ( "", parent );
// create LED object
vecpLEDs[iLEDIdx] = new cLED ( parent );
// add LED to layout with spacer
pMainLayout->addStretch();
pMainLayout->addWidget ( vecpLEDs[i] );
pMainLayout->addWidget ( vecpLEDs[iLEDIdx]->getLabelPointer() );
}
}
// set initial bitmap
vecpLEDs[i]->setPixmap ( BitmCubeRoundGrey );
// bitmap defines minimum size of the label
vecpLEDs[i]->setMinimumSize (
BitmCubeRoundGrey.width(), BitmCubeRoundGrey.height() );
CMultiColorLEDBar::~CMultiColorLEDBar()
{
// clean up the LED objects
for ( int iLEDIdx = 0; iLEDIdx < iNumLEDs; iLEDIdx++ )
{
delete vecpLEDs[iLEDIdx];
}
}
void CMultiColorLEDBar::setValue ( const int value )
{
// TODO speed optimiation: only change bitmaps of LEDs which
// actually have to be changed
// update state of all LEDs for current level value
for ( int i = 0; i < iNumLEDs; i++ )
for ( int iLEDIdx = 0; iLEDIdx < iNumLEDs; iLEDIdx++ )
{
// set active if value is above current LED index
SetLED ( i, i < value );
}
}
void CMultiColorLEDBar::SetLED ( const int iLEDIdx, const bool bActive )
{
if ( bActive )
{
// check which color we should use (green, yellow or red)
if ( iLEDIdx < YELLOW_BOUND_INP_LEV_METER )
// set active LED color if value is above current LED index
if ( iLEDIdx < value )
{
// green region
vecpLEDs[iLEDIdx]->setPixmap ( BitmCubeRoundGreen );
}
else
{
if ( iLEDIdx < RED_BOUND_INP_LEV_METER )
// check which color we should use (green, yellow or red)
if ( iLEDIdx < YELLOW_BOUND_INP_LEV_METER )
{
// yellow region
vecpLEDs[iLEDIdx]->setPixmap ( BitmCubeRoundYellow );
// green region
vecpLEDs[iLEDIdx]->setColor ( cLED::RL_GREEN );
}
else
{
// red region
vecpLEDs[iLEDIdx]->setPixmap ( BitmCubeRoundRed );
if ( iLEDIdx < RED_BOUND_INP_LEV_METER )
{
// yellow region
vecpLEDs[iLEDIdx]->setColor ( cLED::RL_YELLOW );
}
else
{
// red region
vecpLEDs[iLEDIdx]->setColor ( cLED::RL_RED );
}
}
}
}
else
{
// we use grey LED for inactive state
vecpLEDs[iLEDIdx]->setPixmap ( BitmCubeRoundGrey );
else
{
// we use grey LED for inactive state
vecpLEDs[iLEDIdx]->setColor ( cLED::RL_GREY );
}
}
}
CMultiColorLEDBar::cLED::cLED ( QWidget* parent ) :
BitmCubeRoundGrey ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDGreySmall.png" ) ),
BitmCubeRoundGreen ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDGreenSmall.png" ) ),
BitmCubeRoundYellow ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDYellowSmall.png" ) ),
BitmCubeRoundRed ( QString::fromUtf8 ( ":/png/LEDs/res/VLEDRedSmall.png" ) )
{
// create LED label
pLEDLabel = new QLabel ( "", parent );
// bitmap defines minimum size of the label
pLEDLabel->setMinimumSize (
BitmCubeRoundGrey.width(), BitmCubeRoundGrey.height() );
// set initial bitmap
pLEDLabel->setPixmap ( BitmCubeRoundGrey );
eCurLightColor = RL_GREY;
}
void CMultiColorLEDBar::cLED::setColor ( const ELightColor eNewColor )
{
// only update LED if color has changed
if ( eNewColor != eCurLightColor )
{
switch ( eNewColor )
{
case RL_GREY:
pLEDLabel->setPixmap ( BitmCubeRoundGrey );
break;
case RL_GREEN:
pLEDLabel->setPixmap ( BitmCubeRoundGreen );
break;
case RL_YELLOW:
pLEDLabel->setPixmap ( BitmCubeRoundYellow );
break;
case RL_RED:
pLEDLabel->setPixmap ( BitmCubeRoundRed );
break;
}
eCurLightColor = eNewColor;
}
}

25
src/multicolorledbar.h
View file

@ -40,21 +40,34 @@ class CMultiColorLEDBar : public QFrame
public:
CMultiColorLEDBar ( QWidget* parent = 0, Qt::WindowFlags f = 0 );
virtual ~CMultiColorLEDBar();
void setValue ( const int value );
protected:
void SetLED ( const int iLEDIdx, const bool bActive = true );
class cLED
{
public:
enum ELightColor { RL_GREY, RL_GREEN, RL_YELLOW, RL_RED };
QPixmap BitmCubeRoundGrey;
QPixmap BitmCubeRoundGreen;
QPixmap BitmCubeRoundYellow;
QPixmap BitmCubeRoundRed;
cLED ( QWidget* parent );
void setColor ( const ELightColor eNewColor );
QLabel* getLabelPointer() { return pLEDLabel; }
protected:
QPixmap BitmCubeRoundGrey;
QPixmap BitmCubeRoundGreen;
QPixmap BitmCubeRoundYellow;
QPixmap BitmCubeRoundRed;
ELightColor eCurLightColor;
QLabel* pLEDLabel;
};
QHBoxLayout* pMainLayout;
int iNumLEDs;
CVector<QLabel*> vecpLEDs;
CVector<cLED*> vecpLEDs;
};
#endif // _MULTCOLORLEDBAR_H__FD6B49B5_87DF_48DD_E1606C2AC__INCLUDED_