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Fix standard logout fade when compositing is disabled

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pull/2/head
Timothy Pearson 11 years ago
parent 6a40ac081b
commit 3a84ecae5d
1 changed files with 356 additions and 359 deletions
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715
ksmserver/shutdowndlg.cpp
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@ -113,402 +113,399 @@ void KSMShutdownFeedback::fadeBack( void )
void KSMShutdownFeedback::slotPaintEffect()
{
// determine which fade to use
if (TDEConfigGroup(TDEGlobal::config(), "Logout").readBoolEntry("doFancyLogout", true))
{
float doFancyLogoutAdditionalDarkness = (float)TDEConfigGroup(TDEGlobal::config(), "Logout").readDoubleNumEntry("doFancyLogoutAdditionalDarkness", 0.6);
float doFancyLogoutFadeTime = (float)TDEConfigGroup(TDEGlobal::config(), "Logout").readDoubleNumEntry("doFancyLogoutFadeTime", 4000);
float doFancyLogoutFadeBackTime = (float)TDEConfigGroup(TDEGlobal::config(), "Logout").readDoubleNumEntry("doFancyLogoutFadeBackTime", 1000);
if (kapp->isX11CompositionAvailable()) {
// We can do this in a different (simpler) manner because we have compositing support!
// if slotPaintEffect() is called first time, we have to initialize the gray image
// we also could do that in the constructor, but then the displaying of the
// logout-UI would be too much delayed...
if ( m_greyImageCreated == false )
{
m_greyImageCreated = true;
// eliminate nasty flicker on first show
m_root.resize( width(), height() );
TQImage blendedImage = m_grayImage;
TQPainter p;
p.begin( &m_root );
blendedImage.setAlphaBuffer(false);
p.drawImage( 0, 0, blendedImage );
p.end();
setBackgroundPixmap( m_root );
setGeometry( TQApplication::desktop()->geometry() );
setBackgroundMode( TQWidget::NoBackground );
m_unfadedImage = m_grayImage.copy();
register uchar * r = m_grayImage.bits();
uchar * end = m_grayImage.bits() + m_grayImage.numBytes();
while ( r != end ) {
*reinterpret_cast<TQRgb*>(r) = tqRgba(0, 0, 0, 128);
r += 4;
if (TDEConfigGroup(TDEGlobal::config(), "Logout").readBoolEntry("doFancyLogout", true)) {
// fancy logout fade
float doFancyLogoutAdditionalDarkness = (float)TDEConfigGroup(TDEGlobal::config(), "Logout").readDoubleNumEntry("doFancyLogoutAdditionalDarkness", 0.6);
float doFancyLogoutFadeTime = (float)TDEConfigGroup(TDEGlobal::config(), "Logout").readDoubleNumEntry("doFancyLogoutFadeTime", 4000);
float doFancyLogoutFadeBackTime = (float)TDEConfigGroup(TDEGlobal::config(), "Logout").readDoubleNumEntry("doFancyLogoutFadeBackTime", 1000);
if (kapp->isX11CompositionAvailable()) {
// We can do this in a different (simpler) manner because we have compositing support!
// if slotPaintEffect() is called first time, we have to initialize the gray image
// we also could do that in the constructor, but then the displaying of the
// logout-UI would be too much delayed...
if ( m_greyImageCreated == false )
{
m_greyImageCreated = true;
// eliminate nasty flicker on first show
m_root.resize( width(), height() );
TQImage blendedImage = m_grayImage;
TQPainter p;
p.begin( &m_root );
blendedImage.setAlphaBuffer(false);
p.drawImage( 0, 0, blendedImage );
p.end();
setBackgroundPixmap( m_root );
setGeometry( TQApplication::desktop()->geometry() );
setBackgroundMode( TQWidget::NoBackground );
m_unfadedImage = m_grayImage.copy();
register uchar * r = m_grayImage.bits();
uchar * end = m_grayImage.bits() + m_grayImage.numBytes();
while ( r != end ) {
*reinterpret_cast<TQRgb*>(r) = tqRgba(0, 0, 0, 128);
r += 4;
}
// start timer which is used for cpu-speed-independent fading
m_fadeTime.start();
m_rowsDone = 0;
}
// start timer which is used for cpu-speed-independent fading
m_fadeTime.start();
m_rowsDone = 0;
}
// return if fading is completely done...
if ( ( m_grayOpacity >= 1.0f && m_fadeBackwards == FALSE ) || ( m_grayOpacity <= 0.0f && m_fadeBackwards == TRUE ) )
return;
if ( m_fadeBackwards == FALSE )
{
m_grayOpacity = m_fadeTime.elapsed() / doFancyLogoutFadeTime;
if ( m_grayOpacity > 1.0f )
m_grayOpacity = 1.0f;
}
else
{
m_grayOpacity = 1.0f - m_fadeTime.elapsed() / doFancyLogoutFadeBackTime - m_compensation;
if ( m_grayOpacity < 0.0f )
m_grayOpacity = 0.0f;
}
const int imgWidth = m_unfadedImage.width();
int imgHeight = m_unfadedImage.height();
int heightUnit = imgHeight / 3;
if( heightUnit < 1 )
heightUnit = 1;
int y1 = static_cast<int>( imgHeight*m_grayOpacity - heightUnit + m_grayOpacity*heightUnit*2.0f );
if( y1 > imgHeight )
y1 = imgHeight;
int y2 = y1+heightUnit;
if( y2 > imgHeight )
y2 = imgHeight;
if( m_fadeBackwards == FALSE )
{
if( y1 > 0 && y1 < imgHeight && y1-m_rowsDone > 0 && m_rowsDone < imgHeight )
// return if fading is completely done...
if ( ( m_grayOpacity >= 1.0f && m_fadeBackwards == FALSE ) || ( m_grayOpacity <= 0.0f && m_fadeBackwards == TRUE ) )
return;
if ( m_fadeBackwards == FALSE )
{
TQImage img( imgWidth, y1-m_rowsDone, 32 );
memcpy( img.bits(), m_grayImage.scanLine( m_rowsDone ), imgWidth*(y1-m_rowsDone)*4 );
bitBlt( this, 0, m_rowsDone, &img );
m_rowsDone = y1;
m_grayOpacity = m_fadeTime.elapsed() / doFancyLogoutFadeTime;
if ( m_grayOpacity > 1.0f )
m_grayOpacity = 1.0f;
}
}
else
{
// when fading back we have to blit area which isnt gray anymore to unfaded image
if( y2 > 0 && y2 < imgHeight && m_rowsDone > y2 )
else
{
TQImage img( imgWidth, m_rowsDone-y2, 32 );
memcpy( img.bits(), m_unfadedImage.scanLine( y2 ), imgWidth*(m_rowsDone-y2)*4 );
bitBlt( this, 0, y2, &img );
m_rowsDone = y2;
m_grayOpacity = 1.0f - m_fadeTime.elapsed() / doFancyLogoutFadeBackTime - m_compensation;
if ( m_grayOpacity < 0.0f )
m_grayOpacity = 0.0f;
}
}
int start_y1 = y1;
if( start_y1 < 0 )
start_y1 = 0;
if( y2 > start_y1 )
{
TQImage img( imgWidth, y2-start_y1, 32 );
memcpy( img.bits(), m_grayImage.scanLine( start_y1 ), ( y2-start_y1 ) * imgWidth * 4 );
register uchar * rs = m_unfadedImage.scanLine( start_y1 );
register uchar * rd = img.bits();
for( int y = start_y1; y < y2; ++y )
const int imgWidth = m_unfadedImage.width();
int imgHeight = m_unfadedImage.height();
int heightUnit = imgHeight / 3;
if( heightUnit < 1 )
heightUnit = 1;
int y1 = static_cast<int>( imgHeight*m_grayOpacity - heightUnit + m_grayOpacity*heightUnit*2.0f );
if( y1 > imgHeight )
y1 = imgHeight;
int y2 = y1+heightUnit;
if( y2 > imgHeight )
y2 = imgHeight;
if( m_fadeBackwards == FALSE )
{
// linear gradients look bad, so use cos-function
short int opac = static_cast<short int>( 128 - cosf( M_PI*(y-y1)/heightUnit )*128.0f );
for( short int x = 0; x < imgWidth; ++x )
if( y1 > 0 && y1 < imgHeight && y1-m_rowsDone > 0 && m_rowsDone < imgHeight )
{
*reinterpret_cast<TQRgb*>(rd) = tqRgba(0, 0, 0, ((255.0-opac)/(255.0/127.0)));
rs += 4; rd += 4;
TQImage img( imgWidth, y1-m_rowsDone, 32 );
memcpy( img.bits(), m_grayImage.scanLine( m_rowsDone ), imgWidth*(y1-m_rowsDone)*4 );
bitBlt( this, 0, m_rowsDone, &img );
m_rowsDone = y1;
}
}
bitBlt( this, 0, start_y1, &img );
}
TQTimer::singleShot( 5, this, TQT_SLOT( slotPaintEffect() ) );
}
else {
// if slotPaintEffect() is called first time, we have to initialize the gray image
// we also could do that in the constructor, but then the displaying of the
// logout-UI would be too much delayed...
if ( m_greyImageCreated == false )
{
m_greyImageCreated = true;
setBackgroundMode( TQWidget::NoBackground );
setGeometry( TQApplication::desktop()->geometry() );
m_root.resize( width(), height() ); // for the default logout
m_unfadedImage = m_grayImage.copy();
register uchar * r = m_grayImage.bits();
register uchar * g = m_grayImage.bits() + 1;
register uchar * b = m_grayImage.bits() + 2;
uchar * end = m_grayImage.bits() + m_grayImage.numBytes();
while ( r != end ) {
*r = *g = *b = (uchar) ( ( (*r)*11 + ((*g)<<4) + (*b)*5 ) * doFancyLogoutAdditionalDarkness / 32.0f );
r += 4;
g += 4;
b += 4;
else
{
// when fading back we have to blit area which isnt gray anymore to unfaded image
if( y2 > 0 && y2 < imgHeight && m_rowsDone > y2 )
{
TQImage img( imgWidth, m_rowsDone-y2, 32 );
memcpy( img.bits(), m_unfadedImage.scanLine( y2 ), imgWidth*(m_rowsDone-y2)*4 );
bitBlt( this, 0, y2, &img );
m_rowsDone = y2;
}
}
// start timer which is used for cpu-speed-independent fading
m_fadeTime.start();
m_rowsDone = 0;
}
// return if fading is completely done...
if ( ( m_grayOpacity >= 1.0f && m_fadeBackwards == FALSE ) || ( m_grayOpacity <= 0.0f && m_fadeBackwards == TRUE ) )
return;
if ( m_fadeBackwards == FALSE )
{
m_grayOpacity = m_fadeTime.elapsed() / doFancyLogoutFadeTime;
if ( m_grayOpacity > 1.0f )
m_grayOpacity = 1.0f;
}
else
{
m_grayOpacity = 1.0f - m_fadeTime.elapsed() / doFancyLogoutFadeBackTime - m_compensation;
if ( m_grayOpacity < 0.0f )
m_grayOpacity = 0.0f;
}
const int imgWidth = m_unfadedImage.width();
int imgHeight = m_unfadedImage.height();
int heightUnit = imgHeight / 3;
if( heightUnit < 1 )
heightUnit = 1;
int y1 = static_cast<int>( imgHeight*m_grayOpacity - heightUnit + m_grayOpacity*heightUnit*2.0f );
if( y1 > imgHeight )
y1 = imgHeight;
int y2 = y1+heightUnit;
if( y2 > imgHeight )
y2 = imgHeight;
if( m_fadeBackwards == FALSE )
{
if( y1 > 0 && y1 < imgHeight && y1-m_rowsDone > 0 && m_rowsDone < imgHeight )
int start_y1 = y1;
if( start_y1 < 0 )
start_y1 = 0;
if( y2 > start_y1 )
{
TQImage img( imgWidth, y1-m_rowsDone, 32 );
memcpy( img.bits(), m_grayImage.scanLine( m_rowsDone ), imgWidth*(y1-m_rowsDone)*4 );
// conversion is slow as hell if desktop-depth != 24bpp...
//Pixmap pm = m_pmio.convertToPixmap( img );
//bitBlt( this, 0, m_rowsDone, &pm );
//TQImage pm = m_pmio.convertToImage( img );
bitBlt( this, 0, m_rowsDone, &img );
m_rowsDone = y1;
TQImage img( imgWidth, y2-start_y1, 32 );
memcpy( img.bits(), m_grayImage.scanLine( start_y1 ), ( y2-start_y1 ) * imgWidth * 4 );
register uchar * rs = m_unfadedImage.scanLine( start_y1 );
register uchar * rd = img.bits();
for( int y = start_y1; y < y2; ++y )
{
// linear gradients look bad, so use cos-function
short int opac = static_cast<short int>( 128 - cosf( M_PI*(y-y1)/heightUnit )*128.0f );
for( short int x = 0; x < imgWidth; ++x )
{
*reinterpret_cast<TQRgb*>(rd) = tqRgba(0, 0, 0, ((255.0-opac)/(255.0/127.0)));
rs += 4; rd += 4;
}
}
bitBlt( this, 0, start_y1, &img );
}
TQTimer::singleShot( 5, this, TQT_SLOT( slotPaintEffect() ) );
}
else
{
// when fading back we have to blit area which isnt gray anymore to unfaded image
if( y2 > 0 && y2 < imgHeight && m_rowsDone > y2 )
else {
// if slotPaintEffect() is called first time, we have to initialize the gray image
// we also could do that in the constructor, but then the displaying of the
// logout-UI would be too much delayed...
if ( m_greyImageCreated == false )
{
TQImage img( imgWidth, m_rowsDone-y2, 32 );
memcpy( img.bits(), m_unfadedImage.scanLine( y2 ), imgWidth*(m_rowsDone-y2)*4 );
// conversion is slow as hell if desktop-depth != 24bpp...
//TQPixmap pm = m_pmio.convertToPixmap( img );
//bitBlt( this, 0, y2, &pm );
bitBlt( this, 0, y2, &img );
m_rowsDone = y2;
m_greyImageCreated = true;
setBackgroundMode( TQWidget::NoBackground );
setGeometry( TQApplication::desktop()->geometry() );
m_root.resize( width(), height() ); // for the default logout
m_unfadedImage = m_grayImage.copy();
register uchar * r = m_grayImage.bits();
register uchar * g = m_grayImage.bits() + 1;
register uchar * b = m_grayImage.bits() + 2;
uchar * end = m_grayImage.bits() + m_grayImage.numBytes();
while ( r != end ) {
*r = *g = *b = (uchar) ( ( (*r)*11 + ((*g)<<4) + (*b)*5 ) * doFancyLogoutAdditionalDarkness / 32.0f );
r += 4;
g += 4;
b += 4;
}
// start timer which is used for cpu-speed-independent fading
m_fadeTime.start();
m_rowsDone = 0;
}
}
int start_y1 = y1;
if( start_y1 < 0 )
start_y1 = 0;
if( y2 > start_y1 )
{
TQImage img( imgWidth, y2-start_y1, 32 );
memcpy( img.bits(), m_grayImage.scanLine( start_y1 ), ( y2-start_y1 ) * imgWidth * 4 );
register uchar * rs = m_unfadedImage.scanLine( start_y1 );
register uchar * gs = rs + 1;
register uchar * bs = gs + 1;
register uchar * rd = img.bits();
register uchar * gd = rd + 1;
register uchar * bd = gd + 1;
for( int y = start_y1; y < y2; ++y )
// return if fading is completely done...
if ( ( m_grayOpacity >= 1.0f && m_fadeBackwards == FALSE ) || ( m_grayOpacity <= 0.0f && m_fadeBackwards == TRUE ) )
return;
if ( m_fadeBackwards == FALSE )
{
// linear gradients look bad, so use cos-function
short int opac = static_cast<short int>( 128 - cosf( M_PI*(y-y1)/heightUnit )*128.0f );
for( short int x = 0; x < imgWidth; ++x )
m_grayOpacity = m_fadeTime.elapsed() / doFancyLogoutFadeTime;
if ( m_grayOpacity > 1.0f )
m_grayOpacity = 1.0f;
}
else
{
m_grayOpacity = 1.0f - m_fadeTime.elapsed() / doFancyLogoutFadeBackTime - m_compensation;
if ( m_grayOpacity < 0.0f )
m_grayOpacity = 0.0f;
}
const int imgWidth = m_unfadedImage.width();
int imgHeight = m_unfadedImage.height();
int heightUnit = imgHeight / 3;
if( heightUnit < 1 )
heightUnit = 1;
int y1 = static_cast<int>( imgHeight*m_grayOpacity - heightUnit + m_grayOpacity*heightUnit*2.0f );
if( y1 > imgHeight )
y1 = imgHeight;
int y2 = y1+heightUnit;
if( y2 > imgHeight )
y2 = imgHeight;
if( m_fadeBackwards == FALSE )
{
if( y1 > 0 && y1 < imgHeight && y1-m_rowsDone > 0 && m_rowsDone < imgHeight )
{
TQImage img( imgWidth, y1-m_rowsDone, 32 );
memcpy( img.bits(), m_grayImage.scanLine( m_rowsDone ), imgWidth*(y1-m_rowsDone)*4 );
// conversion is slow as hell if desktop-depth != 24bpp...
//Pixmap pm = m_pmio.convertToPixmap( img );
//bitBlt( this, 0, m_rowsDone, &pm );
//TQImage pm = m_pmio.convertToImage( img );
bitBlt( this, 0, m_rowsDone, &img );
m_rowsDone = y1;
}
}
else
{
// when fading back we have to blit area which isnt gray anymore to unfaded image
if( y2 > 0 && y2 < imgHeight && m_rowsDone > y2 )
{
TQImage img( imgWidth, m_rowsDone-y2, 32 );
memcpy( img.bits(), m_unfadedImage.scanLine( y2 ), imgWidth*(m_rowsDone-y2)*4 );
// conversion is slow as hell if desktop-depth != 24bpp...
//TQPixmap pm = m_pmio.convertToPixmap( img );
//bitBlt( this, 0, y2, &pm );
bitBlt( this, 0, y2, &img );
m_rowsDone = y2;
}
}
int start_y1 = y1;
if( start_y1 < 0 )
start_y1 = 0;
if( y2 > start_y1 )
{
TQImage img( imgWidth, y2-start_y1, 32 );
memcpy( img.bits(), m_grayImage.scanLine( start_y1 ), ( y2-start_y1 ) * imgWidth * 4 );
register uchar * rs = m_unfadedImage.scanLine( start_y1 );
register uchar * gs = rs + 1;
register uchar * bs = gs + 1;
register uchar * rd = img.bits();
register uchar * gd = rd + 1;
register uchar * bd = gd + 1;
for( int y = start_y1; y < y2; ++y )
{
*rd += ( ( ( *rs - *rd ) * opac ) >> 8 );
rs += 4; rd += 4;
*gd += ( ( ( *gs - *gd ) * opac ) >> 8 );
gs += 4; gd += 4;
*bd += ( ( ( *bs - *bd ) * opac ) >> 8 );
bs += 4; bd += 4;
// linear gradients look bad, so use cos-function
short int opac = static_cast<short int>( 128 - cosf( M_PI*(y-y1)/heightUnit )*128.0f );
for( short int x = 0; x < imgWidth; ++x )
{
*rd += ( ( ( *rs - *rd ) * opac ) >> 8 );
rs += 4; rd += 4;
*gd += ( ( ( *gs - *gd ) * opac ) >> 8 );
gs += 4; gd += 4;
*bd += ( ( ( *bs - *bd ) * opac ) >> 8 );
bs += 4; bd += 4;
}
}
// conversion is slow as hell if desktop-depth != 24bpp...
//TQPixmap pm = m_pmio.convertToPixmap( img );
//bitBlt( this, 0, start_y1, &pm );
bitBlt( this, 0, start_y1, &img );
}
// conversion is slow as hell if desktop-depth != 24bpp...
//TQPixmap pm = m_pmio.convertToPixmap( img );
//bitBlt( this, 0, start_y1, &pm );
bitBlt( this, 0, start_y1, &img );
TQTimer::singleShot( 5, this, TQT_SLOT( slotPaintEffect() ) );
}
TQTimer::singleShot( 5, this, TQT_SLOT( slotPaintEffect() ) );
}
}
// standard logout fade
else
{
else {
// standard logout fade
if (kapp->isX11CompositionAvailable()) {
// We can do this in a different (simpler) manner because we have compositing support!
// The end effect will be very similar to the old style logout
float doFancyLogoutFadeTime = 1000;
float doFancyLogoutFadeBackTime = 0;
if ( m_greyImageCreated == false )
{
m_greyImageCreated = true;
// eliminate nasty flicker on first show
m_root.resize( width(), height() );
TQImage blendedImage = m_grayImage;
TQPainter p;
p.begin( &m_root );
blendedImage.setAlphaBuffer(false);
p.drawImage( 0, 0, blendedImage );
p.end();
setBackgroundPixmap( m_root );
setGeometry( TQApplication::desktop()->geometry() );
setBackgroundMode( TQWidget::NoBackground );
m_unfadedImage = m_grayImage.copy();
register uchar * r = m_grayImage.bits();
uchar * end = m_grayImage.bits() + m_grayImage.numBytes();
while ( r != end ) {
*reinterpret_cast<TQRgb*>(r) = tqRgba(0, 0, 0, 107);
r += 4;
// We can do this in a different (simpler) manner because we have compositing support!
// The end effect will be very similar to the old style logout
float doFancyLogoutFadeTime = 1000;
float doFancyLogoutFadeBackTime = 0;
if ( m_greyImageCreated == false ) {
m_greyImageCreated = true;
// eliminate nasty flicker on first show
m_root.resize( width(), height() );
TQImage blendedImage = m_grayImage;
TQPainter p;
p.begin( &m_root );
blendedImage.setAlphaBuffer(false);
p.drawImage( 0, 0, blendedImage );
p.end();
setBackgroundPixmap( m_root );
setGeometry( TQApplication::desktop()->geometry() );
setBackgroundMode( TQWidget::NoBackground );
m_unfadedImage = m_grayImage.copy();
register uchar * r = m_grayImage.bits();
uchar * end = m_grayImage.bits() + m_grayImage.numBytes();
while ( r != end ) {
*reinterpret_cast<TQRgb*>(r) = tqRgba(0, 0, 0, 107);
r += 4;
}
// start timer which is used for cpu-speed-independent fading
m_fadeTime.start();
m_rowsDone = 0;
}
// return if fading is completely done...
if ( ( m_grayOpacity >= 1.0f && m_fadeBackwards == FALSE ) || ( m_grayOpacity <= 0.0f && m_fadeBackwards == TRUE ) ) {
return;
}
// start timer which is used for cpu-speed-independent fading
m_fadeTime.start();
m_rowsDone = 0;
}
// return if fading is completely done...
if ( ( m_grayOpacity >= 1.0f && m_fadeBackwards == FALSE ) || ( m_grayOpacity <= 0.0f && m_fadeBackwards == TRUE ) )
return;
if ( m_fadeBackwards == FALSE )
{
m_grayOpacity = m_fadeTime.elapsed() / doFancyLogoutFadeTime;
if ( m_grayOpacity > 1.0f )
m_grayOpacity = 1.0f;
}
else
{
m_grayOpacity = 1.0f - m_fadeTime.elapsed() / doFancyLogoutFadeBackTime - m_compensation;
if ( m_grayOpacity < 0.0f )
m_grayOpacity = 0.0f;
}
const int imgWidth = m_unfadedImage.width();
int imgHeight = m_unfadedImage.height();
int heightUnit = imgHeight / 3;
if( heightUnit < 1 )
heightUnit = 1;
if ( m_fadeBackwards == FALSE ) {
m_grayOpacity = m_fadeTime.elapsed() / doFancyLogoutFadeTime;
if ( m_grayOpacity > 1.0f )
m_grayOpacity = 1.0f;
}
else {
m_grayOpacity = 1.0f - m_fadeTime.elapsed() / doFancyLogoutFadeBackTime - m_compensation;
if ( m_grayOpacity < 0.0f )
m_grayOpacity = 0.0f;
}
int y1 = static_cast<int>( imgHeight*m_grayOpacity - heightUnit + m_grayOpacity*heightUnit*2.0f );
if( y1 > imgHeight )
y1 = imgHeight;
const int imgWidth = m_unfadedImage.width();
int imgHeight = m_unfadedImage.height();
int heightUnit = imgHeight / 3;
if( heightUnit < 1 )
heightUnit = 1;
int y2 = y1+heightUnit;
if( y2 > imgHeight )
y2 = imgHeight;
int y1 = static_cast<int>( imgHeight*m_grayOpacity - heightUnit + m_grayOpacity*heightUnit*2.0f );
if( y1 > imgHeight ) {
y1 = imgHeight;
}
if( m_fadeBackwards == FALSE )
{
if( y1 > 0 && y1 < imgHeight && y1-m_rowsDone > 0 && m_rowsDone < imgHeight )
{
TQImage img( imgWidth, y1-m_rowsDone, 32 );
memcpy( img.bits(), m_grayImage.scanLine( m_rowsDone ), imgWidth*(y1-m_rowsDone)*4 );
bitBlt( this, 0, m_rowsDone, &img );
m_rowsDone = y1;
int y2 = y1+heightUnit;
if( y2 > imgHeight ) {
y2 = imgHeight;
}
}
else
{
// when fading back we have to blit area which isnt gray anymore to unfaded image
if( y2 > 0 && y2 < imgHeight && m_rowsDone > y2 )
if( m_fadeBackwards == FALSE )
{
TQImage img( imgWidth, m_rowsDone-y2, 32 );
memcpy( img.bits(), m_unfadedImage.scanLine( y2 ), imgWidth*(m_rowsDone-y2)*4 );
bitBlt( this, 0, y2, &img );
m_rowsDone = y2;
if( y1 > 0 && y1 < imgHeight && y1-m_rowsDone > 0 && m_rowsDone < imgHeight )
{
TQImage img( imgWidth, y1-m_rowsDone, 32 );
memcpy( img.bits(), m_grayImage.scanLine( m_rowsDone ), imgWidth*(y1-m_rowsDone)*4 );
bitBlt( this, 0, m_rowsDone, &img );
m_rowsDone = y1;
}
}
}
int start_y1 = y1;
if( start_y1 < 0 )
start_y1 = 0;
if( y2 > start_y1 )
{
TQImage img( imgWidth, y2-start_y1, 32 );
memcpy( img.bits(), m_grayImage.scanLine( start_y1 ), ( y2-start_y1 ) * imgWidth * 4 );
register uchar * rs = m_unfadedImage.scanLine( start_y1 );
register uchar * rd = img.bits();
for( int y = start_y1; y < y2; ++y )
{
// linear gradients look bad, so use cos-function
for( short int x = 0; x < imgWidth; ++x )
else {
// when fading back we have to blit area which isnt gray anymore to unfaded image
if( y2 > 0 && y2 < imgHeight && m_rowsDone > y2 )
{
*reinterpret_cast<TQRgb*>(rd) = tqRgba(0, 0, 0, 107);
rs += 4; rd += 4;
TQImage img( imgWidth, m_rowsDone-y2, 32 );
memcpy( img.bits(), m_unfadedImage.scanLine( y2 ), imgWidth*(m_rowsDone-y2)*4 );
bitBlt( this, 0, y2, &img );
m_rowsDone = y2;
}
}
bitBlt( this, 0, start_y1, &img );
}
TQTimer::singleShot( 1, this, TQT_SLOT( slotPaintEffect() ) );
int start_y1 = y1;
if( start_y1 < 0 ) {
start_y1 = 0;
}
if( y2 > start_y1 ) {
TQImage img( imgWidth, y2-start_y1, 32 );
memcpy( img.bits(), m_grayImage.scanLine( start_y1 ), ( y2-start_y1 ) * imgWidth * 4 );
register uchar * rs = m_unfadedImage.scanLine( start_y1 );
register uchar * rd = img.bits();
for( int y = start_y1; y < y2; ++y )
{
// linear gradients look bad, so use cos-function
for( short int x = 0; x < imgWidth; ++x )
{
*reinterpret_cast<TQRgb*>(rd) = tqRgba(0, 0, 0, 107);
rs += 4; rd += 4;
}
}
bitBlt( this, 0, start_y1, &img );
}
TQTimer::singleShot( 1, this, TQT_SLOT( slotPaintEffect() ) );
}
else {
if ( m_currentY >= height() ) {
if ( backgroundMode() == TQWidget::NoBackground ) {
setBackgroundMode( TQWidget::NoBackground );
setBackgroundPixmap( m_root );
if ( m_currentY >= height() ) {
if ( backgroundMode() == TQWidget::NoBackground ) {
setBackgroundMode( TQWidget::NoBackground );
setBackgroundPixmap( m_root );
}
return;
}
return;
}
if ( m_currentY == 0 ) {
KPixmap pixmap;
pixmap = TQPixmap(TQPixmap::grabWindow( tqt_xrootwin(), 0, 0, width(), height() ));
bitBlt( this, 0, 0, &pixmap );
bitBlt( &m_root, 0, 0, &pixmap );
}
if ( m_currentY == 0 ) {
setBackgroundMode( TQWidget::NoBackground );
setGeometry( TQApplication::desktop()->geometry() );
m_root.resize( width(), height() ); // for the default logout
KPixmap pixmap;
pixmap = TQPixmap(TQPixmap::grabWindow( tqt_xrootwin(), 0, m_currentY, width(), 10 ));
TQImage image = pixmap.convertToImage();
KImageEffect::blend( Qt::black, image, 0.4 );
KImageEffect::toGray( image, true );
pixmap.convertFromImage( image );
bitBlt( this, 0, m_currentY, &pixmap );
bitBlt( &m_root, 0, m_currentY, &pixmap );
m_currentY += 10;
TQTimer::singleShot( 1, this, TQT_SLOT( slotPaintEffect() ) );
KPixmap pixmap;
pixmap = TQPixmap(TQPixmap::grabWindow( tqt_xrootwin(), 0, 0, width(), height() ));
bitBlt( this, 0, 0, &pixmap );
bitBlt( &m_root, 0, 0, &pixmap );
}
KPixmap pixmap;
pixmap = TQPixmap(TQPixmap::grabWindow( tqt_xrootwin(), 0, m_currentY, width(), 10 ));
TQImage image = pixmap.convertToImage();
KImageEffect::blend( Qt::black, image, 0.4 );
KImageEffect::toGray( image, true );
pixmap.convertFromImage( image );
bitBlt( this, 0, m_currentY, &pixmap );
bitBlt( &m_root, 0, m_currentY, &pixmap );
m_currentY += 10;
TQTimer::singleShot( 1, this, TQT_SLOT( slotPaintEffect() ) );
}
}

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