void ColibriMainWindow::on_fileButton_clicked()
{
QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"),
mLastSettings.lastImagesDir,
tr("Images (*.png *.PNG "
"*.xpm "
"*.jpg *.jpeg *.JPG *.JPEG "
"*.bmp *.BMP)"));
if(fileName.isEmpty()) return;
QFileInfo fi(fileName);
if(!fi.exists())
{
QMessageBox::critical(NULL, tr("Image loading error"),
tr("File ") + fileName + tr(" does not exists."));
return;
}
mLastSettings.lastImagesDir = fi.absolutePath();
saveSettings();
// load file
IplImage * iplImage = cvLoadImage(fileName.toUtf8().data());
if(!iplImage)
{
QMessageBox::critical(NULL, tr("Image loading error"),
tr("Could not load image ") + fileName);
return;
}
computeImage(iplImage);
tmReleaseImage(&iplImage);
}
// display callback invoked when window needs to be redrawn
void onDisplay( ) {
glClearColor(0.1f, 0.2f, 0.3f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // clear screen
if(computeImage())
glutPostRedisplay();
glDrawPixels(screenWidth, screenHeight, GL_RGB, GL_FLOAT, image);
glutSwapBuffers(); // drawing finished
}
void ColibriMainWindow::on_grabTimer_timeout() {
QPixmap desktopPixmap = QPixmap::grabWindow(
//QApplication::activeWindow()->winId());
QApplication::desktop()->winId());
fprintf(stderr, "%s:%d: desktopImage=%dx%dx%d\n",
__func__, __LINE__,
desktopPixmap.width(), desktopPixmap.height(), desktopPixmap.depth());
//desktopPixmap.save("/tmp/desktop.png");
//QApplication::activeWindow()->show();
// Crop where the window is
fprintf(stderr, "%s:%d: curpos=%dx%d+%dx%d\n",
__func__, __LINE__,
m_grabRect.x(), m_grabRect.y(),
m_grabRect.width(), m_grabRect.height());
QImage desktopImage;
desktopImage = ( desktopPixmap.copy(m_grabRect).toImage() );
if(desktopImage.isNull()) {
fprintf(stderr, "%s:%d: desktopImage is null !\n",
__func__, __LINE__);
return;
}
fprintf(stderr, "%s:%d: desktopImage=%dx%dx%d\n",
__func__, __LINE__,
desktopImage.width(), desktopImage.height(), desktopImage.depth());
IplImage * iplImage = cvCreateImage(cvSize(desktopImage.width(), desktopImage.height()),
IPL_DEPTH_8U, desktopImage.depth()/8);
memcpy(iplImage->imageData, (char *)desktopImage.bits(), iplImage->widthStep*iplImage->height);
// // We have to set the alpha flag
// u8 * alpha = (u8 *) iplImage->imageData;
// for(int pos = 3; pos <iplImage->widthStep*iplImage->height; pos+=4)
// {
// alpha[pos] = 255;
// }
// cvSaveImage("/dev/shm/unprocessed.png", iplImage);
computeImage(iplImage);
// cvSaveImage("/dev/shm/processed.png", iplImage);
show();
tmReleaseImage(&iplImage);
}
