1 files changed, 176 insertions, 0 deletions
diff --git a/kdeui/tests/kunbalancedgrdtest.cpp b/kdeui/tests/kunbalancedgrdtest.cpp
new file mode 100644
index 000000000..ec3ce967b
--- /dev/null
+++ b/kdeui/tests/kunbalancedgrdtest.cpp
@@ -0,0 +1,176 @@
+#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"