Lines Matching defs:tone
4161 % threshold of 80% is a good starting point for a reasonable tone.
4172 % o threshold: the tone threshold.
4216 Tone each row of the image.
4251 tone;
4254 tone=intensity > threshold ? (double) QuantumRange : intensity+
4256 SetPixelRed(sepia_image,ClampToQuantum(tone),q);
4257 tone=intensity > (7.0*threshold/6.0) ? (double) QuantumRange :
4259 SetPixelGreen(sepia_image,ClampToQuantum(tone),q);
4260 tone=intensity < (threshold/6.0) ? 0 : intensity-threshold/6.0;
4261 SetPixelBlue(sepia_image,ClampToQuantum(tone),q);
4262 tone=threshold/7.0;
4263 if ((double) GetPixelGreen(image,q) < tone)
4264 SetPixelGreen(sepia_image,ClampToQuantum(tone),q);
4265 if ((double) GetPixelBlue(image,q) < tone)
4266 SetPixelBlue(sepia_image,ClampToQuantum(tone),q);
