Method printUnrenderedPixels

Engine/Image.cpp:613–673

#ifdef DEBUG
void
Image::printUnrenderedPixels(const RectI& roi) const
{
    if (!_useBitmap) {
        return;
    }
    QReadLocker k(&_entryLock);
    const char* bm = _bitmap.getBitmapAt(roi.x1, roi.y1);
    int roiw = roi.x2 - roi.x1;
    int boundsW = _bitmap.getBounds().width();
    RectD bboxUnrendered;
    bboxUnrendered.setupInfinity();
    RectD bboxUnavailable;
    bboxUnavailable.setupInfinity();

    bool hasUnrendered = false;
    bool hasUnavailable = false;

    for ( int y = roi.y1; y < roi.y2; ++y,
          bm += (boundsW - roiw) ) {
        for (int x = roi.x1; x < roi.x2; ++x, ++bm) {
            if (*bm == 0) {
                if (x < bboxUnrendered.x1) {
                    bboxUnrendered.x1 = x;
                }
                if (x > bboxUnrendered.x2) {
                    bboxUnrendered.x2 = x;
                }
                if (y < bboxUnrendered.y1) {
                    bboxUnrendered.y1 = y;
                }
                if (y > bboxUnrendered.y2) {
                    bboxUnrendered.y2 = y;
                }
                hasUnrendered = true;
            } else if (*bm == PIXEL_UNAVAILABLE) {
                if (x < bboxUnavailable.x1) {
                    bboxUnavailable.x1 = x;
                }
                if (x > bboxUnavailable.x2) {
                    bboxUnavailable.x2 = x;
                }
                if (y < bboxUnavailable.y1) {
                    bboxUnavailable.y1 = y;
                }
                if (y > bboxUnavailable.y2) {
                    bboxUnavailable.y2 = y;
                }
                hasUnavailable = true;
            }
        } // for x
    } // for y
    if (hasUnrendered) {
        qDebug() << "Unrenderer pixels in the following region:";
        bboxUnrendered.debug();
    }
    if (hasUnavailable) {
        qDebug() << "Unavailable pixels in the following region:";