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#include "kcolortest.h"
#include <kapplication.h>
#include <kimageeffect.h>
#include <stdio.h>
#include <qdatetime.h>
bool fullscreen = false, oldway = false, intvsfade = false;
int max = 20; // how many steps
KColorWidget::KColorWidget(QWidget *parent, const char *name)
: QWidget(parent, name)
{
if (fullscreen || intvsfade) {
QPixmap shot = QPixmap::grabWindow(QApplication::desktop()->winId());
original = shot.convertToImage();
}
else
original = QImage("testimage.png");
resize(original.width(), original.height());
}
void KColorWidget::paintEvent(QPaintEvent *)
{
if(!pixmap.isNull())
bitBlt(this, 0, 0, &pixmap, 0, 0, pixmap.width(), pixmap.height(),
Qt::CopyROP, true);
}
void KColorWidget::doIntensityLoop()
{
int count;
int start, stop;
QTime t;
t.start();
image = original; image.detach();
if (fullscreen){
start = t.elapsed();
for(count=0; count < max; ++count){
if (!oldway)
KImageEffect::intensity(image, -1./max);
else {
uint *qptr=(uint *)image.bits();
QRgb qrgb;
int size=pixmap.width()*pixmap.height();
for (int i=0;i<size; i++, qptr++)
{
qrgb=*(QRgb *)qptr;
*qptr=qRgb((int)(qRed(qrgb)*1./max),
(int)(qGreen(qrgb)*1./max),
(int)(qBlue(qrgb)*1./max));
}
}
pixmap.convertFromImage(image);
bitBlt(this, 0, 0, &pixmap, 0, 0, pixmap.width(), pixmap.height(),
Qt::CopyROP, true);
}
stop = t.elapsed();
qDebug ("Total fullscreen %s dim time for %d steps : %f s",
oldway?"(antonio)":"(intensity)", count, (stop - start)*1e-3);
if (intvsfade) {
image = original; image.detach();
start = t.elapsed();
for(count=0; count < max; ++count){
KImageEffect::fade(image, 1./max, black);
pixmap.convertFromImage(image);
bitBlt(this, 0, 0, &pixmap, 0, 0, pixmap.width(), pixmap.height(),
Qt::CopyROP, true);
}
}
stop = t.elapsed();
qDebug ("Total fullscreen (fade) dim time for %d steps : %f s",
count, (stop - start)*1e-3);
}
else {
image = original; image.detach();
qDebug("Intensity test");
for(count=0; count < max; ++count){
KImageEffect::intensity(image, 1./max);
pixmap.convertFromImage(image);
bitBlt(this, 0, 0, &pixmap, 0, 0, pixmap.width(), pixmap.height(),
Qt::CopyROP, true);
}
for(count=0; count < max; ++count){
KImageEffect::intensity(image, -1./max);
pixmap.convertFromImage(image);
bitBlt(this, 0, 0, &pixmap, 0, 0, pixmap.width(), pixmap.height(),
Qt::CopyROP, true);
}
image = original; image.detach();
qDebug("Red channel intensity test");
for(count=0; count < max; ++count){
KImageEffect::channelIntensity(image, -1./max, KImageEffect::Red);
pixmap.convertFromImage(image);
bitBlt(this, 0, 0, &pixmap, 0, 0, pixmap.width(), pixmap.height(),
Qt::CopyROP, true);
}
for(count=0; count < max; ++count){
KImageEffect::channelIntensity(image, 1./max, KImageEffect::Red);
pixmap.convertFromImage(image);
bitBlt(this, 0, 0, &pixmap, 0, 0, pixmap.width(), pixmap.height(),
Qt::CopyROP, true);
}
image = original; image.detach();
qDebug("Green channel intensity test");
for(count=0; count < max; ++count){
KImageEffect::channelIntensity(image, -1./max, KImageEffect::Green);
pixmap.convertFromImage(image);
bitBlt(this, 0, 0, &pixmap, 0, 0, pixmap.width(), pixmap.height(),
Qt::CopyROP, true);
}
for(count=0; count < max; ++count){
KImageEffect::channelIntensity(image, 1./max, KImageEffect::Green);
pixmap.convertFromImage(image);
bitBlt(this, 0, 0, &pixmap, 0, 0, pixmap.width(), pixmap.height(),
Qt::CopyROP, true);
}
image = original; image.detach();
qDebug("Blue channel intensity test");
for(count=0; count < max; ++count){
KImageEffect::channelIntensity(image, -1./max, KImageEffect::Blue);
pixmap.convertFromImage(image);
bitBlt(this, 0, 0, &pixmap, 0, 0, pixmap.width(), pixmap.height(),
Qt::CopyROP, true);
}
for(count=0; count < max; ++count){
KImageEffect::channelIntensity(image, 1./max, KImageEffect::Blue);
pixmap.convertFromImage(image);
bitBlt(this, 0, 0, &pixmap, 0, 0, pixmap.width(), pixmap.height(),
Qt::CopyROP, true);
}
}
}
int main(int argc, char **argv)
{
if (argc > 1) {
if (!strcmp(argv[1], "fullscreen"))
{
fullscreen = true;
if (!strcmp(argv[2], "old_way"))
oldway = true;
}
else if (!strcmp(argv[1], "int_vs_fade")) {
intvsfade = fullscreen = true;
oldway = false;
}
else
printf("Usage: %s [int_vs_fade | fullscreen [old_way]]\n ", argv[0]);
}
KApplication *app = new KApplication(argc, argv, "KColorTest");
KColorWidget w;
app->setMainWidget(&w);
w.show();
w.doIntensityLoop();
return(app->exec());
}
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