Channel functions.  
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| void | stp_channel_reset (stp_vars_t *v) | 
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| void | stp_channel_reset_channel (stp_vars_t *v, int channel) | 
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| void | stp_channel_add (stp_vars_t *v, unsigned channel, unsigned subchannel, double value) | 
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| double | stp_channel_get_value (stp_vars_t *v, unsigned channel, unsigned subchannel) | 
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| void | stp_channel_set_density_adjustment (stp_vars_t *v, int color, int subchannel, double adjustment) | 
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| double | stp_channel_get_density_adjustment (stp_vars_t *v, int color, int subchannel) | 
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| void | stp_channel_set_ink_limit (stp_vars_t *v, double limit) | 
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| double | stp_channel_get_ink_limit (stp_vars_t *v) | 
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| void | stp_channel_set_cutoff_adjustment (stp_vars_t *v, int color, int subchannel, double adjustment) | 
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| double | stp_channel_get_cutoff_adjustment (stp_vars_t *v, int color, int subchannel) | 
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| void | stp_channel_set_black_channel (stp_vars_t *v, int channel) | 
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| int | stp_channel_get_black_channel (stp_vars_t *v) | 
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| void | stp_channel_set_gloss_channel (stp_vars_t *v, int channel) | 
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| int | stp_channel_get_gloss_channel (stp_vars_t *v) | 
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| void | stp_channel_set_gloss_limit (stp_vars_t *v, double limit) | 
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| double | stp_channel_get_gloss_limit (stp_vars_t *v) | 
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| void | stp_channel_set_curve (stp_vars_t *v, int channel, const stp_curve_t *curve) | 
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| const stp_curve_t * | stp_channel_get_curve (stp_vars_t *v, int channel) | 
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| void | stp_channel_set_gcr_curve (stp_vars_t *v, const stp_curve_t *curve) | 
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| const stp_curve_t * | stp_channel_get_gcr_curve (stp_vars_t *v) | 
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| void | stp_channel_initialize (stp_vars_t *v, stp_image_t *image, int input_channel_count) | 
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| void | stp_channel_convert (const stp_vars_t *v, unsigned *zero_mask) | 
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| unsigned short * | stp_channel_get_input (const stp_vars_t *v) | 
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| unsigned short * | stp_channel_get_output (const stp_vars_t *v) | 
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| unsigned char * | stp_channel_get_output_8bit (const stp_vars_t *v) | 
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◆ stp_channel_add()
      
        
          | void stp_channel_add | ( | stp_vars_t * | v, | 
        
          |  |  | unsigned | channel, | 
        
          |  |  | unsigned | subchannel, | 
        
          |  |  | double | value | 
        
          |  | ) |  |  | 
      
 
 
◆ stp_channel_convert()
      
        
          | void stp_channel_convert | ( | const stp_vars_t * | v, | 
        
          |  |  | unsigned * | zero_mask | 
        
          |  | ) |  |  | 
      
 
 
◆ stp_channel_get_black_channel()
      
        
          | int stp_channel_get_black_channel | ( | stp_vars_t * | v | ) |  | 
      
 
 
◆ stp_channel_get_curve()
◆ stp_channel_get_cutoff_adjustment()
      
        
          | double stp_channel_get_cutoff_adjustment | ( | stp_vars_t * | v, | 
        
          |  |  | int | color, | 
        
          |  |  | int | subchannel | 
        
          |  | ) |  |  | 
      
 
 
◆ stp_channel_get_density_adjustment()
      
        
          | double stp_channel_get_density_adjustment | ( | stp_vars_t * | v, | 
        
          |  |  | int | color, | 
        
          |  |  | int | subchannel | 
        
          |  | ) |  |  | 
      
 
 
◆ stp_channel_get_gcr_curve()
◆ stp_channel_get_gloss_channel()
      
        
          | int stp_channel_get_gloss_channel | ( | stp_vars_t * | v | ) |  | 
      
 
 
◆ stp_channel_get_gloss_limit()
      
        
          | double stp_channel_get_gloss_limit | ( | stp_vars_t * | v | ) |  | 
      
 
 
◆ stp_channel_get_ink_limit()
      
        
          | double stp_channel_get_ink_limit | ( | stp_vars_t * | v | ) |  | 
      
 
 
◆ stp_channel_get_input()
      
        
          | unsigned short* stp_channel_get_input | ( | const stp_vars_t * | v | ) |  | 
      
 
 
◆ stp_channel_get_output()
      
        
          | unsigned short* stp_channel_get_output | ( | const stp_vars_t * | v | ) |  | 
      
 
 
◆ stp_channel_get_output_8bit()
      
        
          | unsigned char* stp_channel_get_output_8bit | ( | const stp_vars_t * | v | ) |  | 
      
 
 
◆ stp_channel_get_value()
      
        
          | double stp_channel_get_value | ( | stp_vars_t * | v, | 
        
          |  |  | unsigned | channel, | 
        
          |  |  | unsigned | subchannel | 
        
          |  | ) |  |  | 
      
 
 
◆ stp_channel_initialize()
◆ stp_channel_reset()
◆ stp_channel_reset_channel()
      
        
          | void stp_channel_reset_channel | ( | stp_vars_t * | v, | 
        
          |  |  | int | channel | 
        
          |  | ) |  |  | 
      
 
 
◆ stp_channel_set_black_channel()
      
        
          | void stp_channel_set_black_channel | ( | stp_vars_t * | v, | 
        
          |  |  | int | channel | 
        
          |  | ) |  |  | 
      
 
 
◆ stp_channel_set_curve()
◆ stp_channel_set_cutoff_adjustment()
      
        
          | void stp_channel_set_cutoff_adjustment | ( | stp_vars_t * | v, | 
        
          |  |  | int | color, | 
        
          |  |  | int | subchannel, | 
        
          |  |  | double | adjustment | 
        
          |  | ) |  |  | 
      
 
 
◆ stp_channel_set_density_adjustment()
      
        
          | void stp_channel_set_density_adjustment | ( | stp_vars_t * | v, | 
        
          |  |  | int | color, | 
        
          |  |  | int | subchannel, | 
        
          |  |  | double | adjustment | 
        
          |  | ) |  |  | 
      
 
 
◆ stp_channel_set_gcr_curve()
◆ stp_channel_set_gloss_channel()
      
        
          | void stp_channel_set_gloss_channel | ( | stp_vars_t * | v, | 
        
          |  |  | int | channel | 
        
          |  | ) |  |  | 
      
 
 
◆ stp_channel_set_gloss_limit()
      
        
          | void stp_channel_set_gloss_limit | ( | stp_vars_t * | v, | 
        
          |  |  | double | limit | 
        
          |  | ) |  |  | 
      
 
 
◆ stp_channel_set_ink_limit()
      
        
          | void stp_channel_set_ink_limit | ( | stp_vars_t * | v, | 
        
          |  |  | double | limit | 
        
          |  | ) |  |  |