Lines Matching refs:threshold

4591     toBlackWhite: function(threshold) {
4596       threshold = threshold || 127;
4598       average = (Number(average) < Number(threshold)) ? 0 : 255;
17948       this.threshold = options.threshold || 100;
17959           threshold = this.threshold,
17963         data[i + 3] = threshold + 255 * (total - i) / total;
17975         threshold: this.threshold
18461       this.threshold = options.threshold || 30;
18473           threshold = this.threshold,
18475           limit = 255 - threshold,
18504         threshold: this.threshold,