Issues with Wave alphas

Lovechld2000 · 2022-04-02T05:33:47+00:00

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Lovechld2000

Can't seem to achieve full transparency on the background with this code, and can't seem to cause any change in the opacity of the waveform itself at all with this code. Am I doing something wrong?

on init
  set_ui_height_px(290)
  make_perfview
  declare ui_slider opacity (0,255)
  declare ui_waveform $Waveform(6,6)
  attach_zone ($Waveform,find_zone("Test"),0)
end on

on ui_control (opacity)
  message(opacity)
  set_control_par(get_ui_id($Waveform), CONTROL_PAR_WAVE_ALPHA,opacity)
  set_control_par(get_ui_id($Waveform), CONTROL_PAR_BG_ALPHA,opacity)
end on

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Comments

EvilDragon

Try hiding the background as well.

Lovechld2000

thanks ED. that makes the background go up to fully transparent with the slider. It leaves the waveform there. Is there a way to make the waveform partially transparent with the slider as well without actually hiding it?

on init
  set_ui_height_px(290)
  make_perfview
  declare ui_slider opacity (0,255)
  declare ui_waveform $Waveform(6,6)
  attach_zone ($Waveform,find_zone("Test"),0)  
  set_control_par(get_ui_id($Waveform), CONTROL_PAR_HIDE,HIDE_PART_BG)
end on   


on ui_control (opacity)
  message(opacity)
  set_control_par(get_ui_id($Waveform), CONTROL_PAR_WAVE_ALPHA,opacity)
  set_control_par(get_ui_id($Waveform), CONTROL_PAR_BG_ALPHA,opacity)
end on

EvilDragon

I think $CONTROL_PAR_WAVE_ALPHA is only for ui_wavetable, it doesn't work for ui_waveform.

Lovechld2000

thanks for your help ED

Cal545

Hi, Just wondering if you can help, I've added ui_waveform got the waveform to show and made everything hidden etc

This is a bit of a two fold question

Due to the nature of my sample there is a line through the centre on the image, it has extra space at the start so I can change the start position, I'm also using offset but it doesn't give the different start positions I require hence moving the start position as well

Is there anyway to trim the image so there's less of a line or adapt the sample image?

If not

Is the only way to deal with a starting position, by moving the start of the sample and or Offset of the sample.... or is there another way to make the start of a sample more flexible?

Thanks

Cal

EvilDragon

There is no way to visually trim the image. It would only be trimmed if you physically trim the sample you're loading.

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