1 files changed, 108 insertions, 0 deletions
diff --git a/kdeui/tests/kgradienttest.cpp b/kdeui/tests/kgradienttest.cpp
new file mode 100644
index 000000000..9fad0bb46
--- /dev/null
+++ b/kdeui/tests/kgradienttest.cpp
@@ -0,0 +1,108 @@
+#include "kgradienttest.h"
+#include <kapplication.h>
+#include <kpixmapeffect.h>
+#include <qpainter.h>
+#include <qdatetime.h>
+#include <qstring.h>
+
+int cols = 3, rows = 3; // how many
+
+void KGradientWidget::paintEvent(QPaintEvent */*ev*/)
+{
+    QTime time;
+    int it, ft;
+    QString say;
+
+    QColor ca = Qt::black, cb = Qt::blue;
+
+    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::gradient(pix,ca, cb, KPixmapEffect::VerticalGradient);
+
+    // vertical
+    time.start();
+    it = time.elapsed();
+    KPixmapEffect::gradient(pix,ca, cb, KPixmapEffect::VerticalGradient);
+    ft = time.elapsed();
+    say.setNum( ft - it); say += " ms, 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::gradient(pix,ca, cb, KPixmapEffect::HorizontalGradient);
+    ft = time.elapsed() ;
+    say.setNum( ft - it); say += " ms, 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::gradient(pix, ca, cb, KPixmapEffect::EllipticGradient);
+    ft = time.elapsed() ;
+    say.setNum( ft - it); say += " ms, 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::gradient(pix,ca, cb, KPixmapEffect::DiagonalGradient);
+    ft = time.elapsed();
+    say.setNum( ft - it); say += " ms, 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::gradient(pix,ca, cb, KPixmapEffect::CrossDiagonalGradient);
+    ft = time.elapsed();
+    say.setNum( ft - it); say += " ms, 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::gradient(pix, ca, cb, KPixmapEffect::PyramidGradient);
+    ft = time.elapsed();
+    say.setNum( ft - it); say += " ms, Pyramid";
+    p.drawPixmap(x*width()/cols, y*height()/rows, pix);
+    p.drawText(5+(x++)*width()/cols, 15+y*height()/rows, say);
+
+    // pattern
+    it = time.elapsed();
+    KPixmapEffect::gradient(pix, ca, cb, KPixmapEffect::RectangleGradient);
+    ft = time.elapsed();
+    say.setNum( ft - it); say += " ms, 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::gradient(pix, ca, cb, KPixmapEffect::PipeCrossGradient);
+    ft = time.elapsed();
+    say.setNum( ft - it); say += " ms, PipeCross";
+    p.drawPixmap(x*width()/cols, y*height()/rows, pix);
+    p.drawText(5+(x++)*width()/rows, 15+y*height()/rows, say);
+}
+
+int main(int argc, char **argv)
+{
+    KApplication *app = new KApplication(argc, argv, "KGradientTest");
+    KGradientWidget w;
+    w.resize(250 * cols, 250 * rows);
+    app->setMainWidget(&w);
+    w.show();
+    return(app->exec());
+}
+