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#include "kunbalancedgrdtest.h"
#include <kapplication.h>
#include <kpixmapeffect.h>
#include <qpainter.h>
#include <qstring.h>
#include <qlayout.h>
int cols = 3, rows = 3; // how many
KGradientWidget::KGradientWidget(QWidget *parent, const char *name)
:QWidget(parent, name)
{
time.start();
setMinimumSize(250 * cols, 250 * rows);
}
void KGradientWidget::paintEvent(QPaintEvent *)
{
int it, ft;
QString say;
QColor ca = Qt::black, cb = Qt::cyan;
int x = 0, y = 0;
pix.resize(width()/cols, height()/rows);
QPainter p(this);
p.setPen(Qt::white);
// draw once, so that the benchmarking be fair :-)
KPixmapEffect::unbalancedGradient(pix,ca, cb,
KPixmapEffect::VerticalGradient,
xbalance, ybalance);
// vertical
time.start();
it = time.elapsed();
KPixmapEffect::unbalancedGradient(pix,ca, cb,
KPixmapEffect::VerticalGradient,
xbalance, ybalance);
ft = time.elapsed();
say.setNum( ft - it); say = "Vertical";
p.drawPixmap(x*width()/cols, y*height()/rows, pix);
p.drawText(5 + (x++)*width()/cols, 15+y*height()/rows, say); // augment x
// horizontal
it = time.elapsed();
KPixmapEffect::unbalancedGradient(pix,ca, cb,
KPixmapEffect::HorizontalGradient,
xbalance, ybalance);
ft = time.elapsed() ;
say.setNum( ft - it); say = "Horizontal";
p.drawPixmap(x*width()/cols, y*height()/rows, pix);
p.drawText(5+(x++)*width()/cols, 15+y*height()/rows, say);
// elliptic
it = time.elapsed();
KPixmapEffect::unbalancedGradient(pix, ca, cb,
KPixmapEffect::EllipticGradient,
xbalance, ybalance);
ft = time.elapsed() ;
say.setNum( ft - it); say = "Elliptic";
p.drawPixmap(x*width()/cols, y*height()/rows, pix);
p.drawText(5+(x++)*width()/cols, 15+y*height()/rows, say);
y++; // next row
x = 0; // reset the columns
// diagonal
it = time.elapsed();
KPixmapEffect::unbalancedGradient(pix,ca, cb,
KPixmapEffect::DiagonalGradient,
xbalance, ybalance);
ft = time.elapsed();
say.setNum( ft - it); say = "Diagonal";
p.drawPixmap(x*width()/cols, y*height()/rows, pix);
p.drawText(5+(x++)*width()/cols, 15+y*height()/rows, say);
// crossdiagonal
it = time.elapsed();
KPixmapEffect::unbalancedGradient(pix,ca, cb,
KPixmapEffect::CrossDiagonalGradient,
xbalance, ybalance);
ft = time.elapsed();
say.setNum( ft - it); say = "CrossDiagonal";
p.drawPixmap(width()/cols, y*height()/rows, pix);
p.drawText(5+(x++)*width()/cols, 15+y*height()/rows, say);
y++; // next row
x = 0; // reset the columns
// pyramidal
it = time.elapsed();
KPixmapEffect::unbalancedGradient(pix, ca, cb,
KPixmapEffect::PyramidGradient,
xbalance, ybalance);
ft = time.elapsed();
say.setNum( ft - it); say = "Pyramid";
p.drawPixmap(x*width()/cols, y*height()/rows, pix);
p.drawText(5+(x++)*width()/cols, 15+y*height()/rows, say);
// rectangular
it = time.elapsed();
KPixmapEffect::unbalancedGradient(pix, ca, cb,
KPixmapEffect::RectangleGradient,
xbalance, ybalance);
ft = time.elapsed();
say.setNum( ft - it); say = "Rectangle";
p.drawPixmap(x*width()/cols, y*height()/rows, pix);
p.drawText(5+(x++)*width()/rows, 15+y*height()/rows, say);
// crosspipe
it = time.elapsed();
KPixmapEffect::unbalancedGradient(pix, ca, cb,
KPixmapEffect::PipeCrossGradient,
xbalance, ybalance);
ft = time.elapsed();
say.setNum( ft - it); say = "PipeCross";
p.drawPixmap(x*width()/cols, y*height()/rows, pix);
p.drawText(5+(x++)*width()/rows, 15+y*height()/rows, say);
}
myTopWidget::myTopWidget (QWidget *parent, const char *name)
:QWidget(parent, name)
{
QGridLayout *lay = new QGridLayout (this, 2, 3, 0);
grds = new KGradientWidget(this);
lay->addMultiCellWidget(grds, 0, 0 ,0, 2);
bLabel = new QLabel("Balance: X = 000; Y = 000", this);
lay->addWidget(bLabel, 1, 0);
xSlider = new QSlider ( -200, 200, 1, 100, QSlider::Horizontal, this);
lay->addWidget(xSlider, 1, 1);
ySlider = new QSlider ( -200, 200, 1, 100, QSlider::Horizontal, this);
lay->addWidget(ySlider, 1, 2);
connect(xSlider, SIGNAL(valueChanged(int)), this, SLOT(rebalance()));
connect(ySlider, SIGNAL(valueChanged(int)), this, SLOT(rebalance()));
rebalance();
itime = otime = 0;
time.start();
}
void myTopWidget::rebalance()
{
otime = time.elapsed();
QString val; val.sprintf("Balance: X = %3d; Y = %3d",
xSlider->value(), ySlider->value());
bLabel->setText(val);
grds->setBalance(xSlider->value(), ySlider->value());
if ((otime - itime )> 500)
{
grds->repaint(false);
itime = time.elapsed();
}
}
int main(int argc, char **argv)
{
KApplication *app = new KApplication(argc, argv, "KUnbalancedGradientTest");
myTopWidget w;
app->setMainWidget(&w);
w.show();
return(app->exec());
}
#include "kunbalancedgrdtest.moc"
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