Lines Matching refs:tone
4216 % threshold of 80% is a good starting point for a reasonable tone.
4227 % o threshold: the tone threshold.
4271 Tone each row of the image.
4306 tone;
4309 tone=intensity > threshold ? (double) QuantumRange : intensity+
4311 SetPixelRed(sepia_image,ClampToQuantum(tone),q);
4312 tone=intensity > (7.0*threshold/6.0) ? (double) QuantumRange :
4314 SetPixelGreen(sepia_image,ClampToQuantum(tone),q);
4315 tone=intensity < (threshold/6.0) ? 0 : intensity-threshold/6.0;
4316 SetPixelBlue(sepia_image,ClampToQuantum(tone),q);
4317 tone=threshold/7.0;
4318 if ((double) GetPixelGreen(image,q) < tone)
4319 SetPixelGreen(sepia_image,ClampToQuantum(tone),q);
4320 if ((double) GetPixelBlue(image,q) < tone)
4321 SetPixelBlue(sepia_image,ClampToQuantum(tone),q);
