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66 lines
1.6 KiB
66 lines
1.6 KiB
#include "kdesattest.h"
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#include <kapplication.h>
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#include <kimageeffect.h>
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#include <tqpainter.h>
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#include <tqdatetime.h>
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#include <tqstring.h>
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int cols = 3, rows = 3; // how many
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KDesatWidget::KDesatWidget(TQWidget *parent, const char *name)
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:TQWidget(parent, name)
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{
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image = TQImage("testimage.png");
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slide = new KDoubleNumInput(700, this, "desat");
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slide->setRange(0, 1, 0.001);
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slide->setLabel("Desaturate: ", AlignVCenter | AlignLeft);
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connect(slide,TQT_SIGNAL(valueChanged(double)), this, TQT_SLOT(change(double)));
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resize(image.width()*2, image.height() + slide->height());
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slide->setGeometry(0, image.height(), image.width()*2, slide->height());
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}
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void KDesatWidget::change(double) {
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desat_value = slide->value();
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repaint(false);
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}
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void KDesatWidget::paintEvent(TQPaintEvent */*ev*/)
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{
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TQTime time;
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int it, ft;
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TQString say;
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TQPainter p(this);
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p.setPen(Qt::black);
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// original image
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time.start();
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it = time.elapsed();
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image = TQImage("testimage.png");
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p.drawImage(0, 0, image);
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ft = time.elapsed();
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say.setNum( ft - it); say += " ms, Vertical";
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p.drawText(5 , 15, say);
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// desaturated image
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it = time.elapsed();
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image = KImageEffect::desaturate(image, desat_value);
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p.drawImage(image.width(), 0, image);
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ft = time.elapsed();
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say.setNum( ft - it); say += " ms, Horizontal";
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p.drawText(15+image.width() , 15, say);
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}
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int main(int argc, char **argv)
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{
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TDEApplication *app = new TDEApplication(argc, argv, "KDesatTest");
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KDesatWidget w;
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app->setMainWidget(&w);
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w.show();
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return(app->exec());
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}
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#include "kdesattest.moc"
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