- *p++ = c.redQuantum() * 255 / QuantumRange;
- *p++ = c.greenQuantum() * 255 / QuantumRange;
- *p++ = c.blueQuantum() * 255 / QuantumRange;
+ *q++ = c.redQuantum() * 255 / QuantumRange;
+ *q++ = c.greenQuantum() * 255 / QuantumRange;
+ *q++ = c.blueQuantum() * 255 / QuantumRange;