RadialFetchPlain Class Reference

Static Public Functions
static void	fetch (uint *buffer, uint *end, const Operator *op, const QSpanData *data, qreal det, qreal delta_det, qreal delta_delta_det, qreal b, qreal delta_b)

Detailed Description

Definition at line 1419 of file qdrawhelper.cpp.

Functions

fetch()

static void RadialFetchPlain::fetch ( uint *  buffer, uint *  end, const Operator *  op, const QSpanData *  data, qreal  det, qreal  delta_det, qreal  delta_delta_det, qreal  b, qreal  delta_b  )

inlinestatic

Definition at line 1422 of file qdrawhelper.cpp.

    {
        if (op->radial.extended) {
            while (buffer < end) {
                quint32 result = 0;
                if (det >= 0) {
                    qreal w = qSqrt(det) - b;
                    if (data->gradient.radial.focal.radius + op->radial.dr * w >= 0)
                        result = qt_gradient_pixel(&data->gradient, w);
                }

                *buffer = result;

                det += delta_det;
                delta_det += delta_delta_det;
                b += delta_b;

                ++buffer;
            }
        } else {
            while (buffer < end) {
                *buffer++ = qt_gradient_pixel(&data->gradient, qSqrt(det) - b);

                det += delta_det;
                delta_det += delta_delta_det;
                b += delta_b;
            }
        }
    }

---

The documentation for this class was generated from the following file:

• /src/gui/painting/qdrawhelper.cpp