/**
* @brief This is the reload member. The operation written here, are executed every time this page is shown.
*/
void display_settings::reload()
{
int brightness_level_old;
FILE * fp = fopen(BACKLIGHT_FILE_SYSTEM, "r");
if (fp != NULL)
{
fscanf(fp, "%d", &brightness_level);
fclose(fp);
}
timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(change_brightness()));
increment = 1;
brightness_level_old = brightness_level;
ui->horizontalSlider->setMinimum(MIN_BACKLIGHT_LEVEL);
ui->horizontalSlider->setMaximum(MAX_BACKLIGHT_LEVEL);
brightness_level = brightness_level_old;
ui->horizontalSlider->setValue(brightness_level);
ui->pushButtonON->setStyleSheet("background-color: rgb(255, 255, 0);");
if (ScreenSaverSec == 0)
{
ui->pushButtonOFF->setStyleSheet("background-color: rgb(255, 255, 0);");
ui->pushButtonON->setStyleSheet("background-color: rgb(180,180,180);");
ui->pushButtonON->setText("Disabled");
}
else
{
ui->pushButtonON->setText(QString("ON %1 sec").arg(ScreenSaverSec));
ui->pushButtonON->setStyleSheet("background-color: rgb(255, 255, 0);");
ui->pushButtonOFF->setStyleSheet("background-color: rgb(180,180,180);");
}
}
void GUI::process_change_colorspace(Controller &controller, uint8_t selected_scale) {
if ( ! controller.image_file_loaded ) { return ; }
long int value = static_cast<long int>(get_scale(selected_scale).get_value()) ;
if (value == 0) {
return ;
}
const float div = (selected_scale == 9) ? 2.0f : (selected_scale == 7) ? 1.0 : 16.0f ;
const float factor = (1.0f / (255.0f / div )) * static_cast<double>(value) ;
cv::Mat tmp = controller.current_image_to_process.clone() ;
cv::Mat frame ;
switch (selected_scale) {
case 6 :
// Lightness change ;
change_lightness(tmp, frame, factor) ;
break ;
case 7 :
// Hue change ;
change_hue(tmp, frame, factor) ;
break ;
case 8 :
// Saturation change ;
change_saturation(tmp, frame, factor) ;
break ;
case 9 :
// Brightness change ;
change_brightness(tmp, frame, factor) ;
break ;
#ifdef DEBUG
default :
// This cannot append due of the GUI interfacing.
fprintf(stderr,"Error Change HSBL settings\n") ;
return ;
#endif
}
// We register current frame in vector<cv::Mat> for undo-redo.
controller.process_after_applying(frame) ;
// It convert current_image_to_process as src to RGB(A) in dst current_image_to_display.
set_img(frame, controller.current_image_to_display, controller) ; // It auto process conversion to RGB(A).
// Reset some variables.
after_applying_reset_settings(controller) ;
}
