17 m_imageOriginal (pixmapOriginal.toImage()),
18 m_rgbBackground (rgbBackground),
23 m_restartTimer.setSingleShot (
false);
24 connect (&m_restartTimer, SIGNAL (timeout ()),
this, SLOT (slotRestartTimeout()));
39 m_inputCommandQueue.push_back (command);
41 if (!m_restartTimer.isActive()) {
48void DlgFilterWorker::slotRestartTimeout ()
50 if (m_inputCommandQueue.count() > 0) {
53 m_inputCommandQueue.clear ();
65 }
else if (m_xLeft < m_imageOriginal.width ()) {
69 if (xStop >= m_imageOriginal.width()) {
70 xStop = m_imageOriginal.width();
79 int processedWidth = xStop - m_xLeft;
80 QImage imageProcessed (processedWidth,
81 m_imageOriginal.height(),
82 QImage::Format_RGB32);
83 for (
int xFrom = m_xLeft, xTo = 0; (xFrom < xStop) && (m_inputCommandQueue.count() == 0); xFrom++, xTo++) {
84 for (
int y = 0; (y < m_imageOriginal.height ()) && (m_inputCommandQueue.count() == 0); y++) {
85 QColor pixel = m_imageOriginal.pixel (xFrom, y);
87 if (pixel.rgb() != m_rgbBackground) {
96 imageProcessed.setPixel (xTo, y, (isOn ?
97 QColor (Qt::black).rgb () :
98 QColor (Qt::white).rgb ()));
102 if (m_inputCommandQueue.count() == 0) {
105 m_xLeft += processedWidth;
108 if ((xStop < m_imageOriginal.width()) ||
109 (m_inputCommandQueue.count () > 0)) {
const int COLUMNS_PER_PIECE
log4cpp::Category * mainCat
Class for filtering image to remove unimportant information.
bool pixelUnfilteredIsOn(ColorFilterMode colorFilterMode, const QColor &pixel, QRgb rgbBackground, double low0To1, double high0To1) const
Return true if specified unfiltered pixel is on.
Command pattern object for receiving new parameters in DlgFilterWorker from GUI thread.
double high0To1() const
Get method for high value.
double low0To1() const
Get method for low value.
ColorFilterMode colorFilterMode() const
Get method for filter mode.
void signalTransferPiece(int xLeft, QImage image)
Send a processed vertical piece of the original pixmap. The destination is between xLeft and xLeft+pi...
DlgFilterWorker(const QPixmap &pixmapOriginal, QRgb m_rgbBackground)
Single constructor.
void slotNewParameters(ColorFilterMode colorFilterMode, double low, double high)
Start processing with a new set of parameters. Any ongoing processing is interrupted when m_filterMod...
#define LOG4CPP_INFO_S(logger)