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CHOMPStation2/code/_helpers/icons_vr.dm
2020-05-18 13:42:42 -04:00

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/proc/AverageColor(var/icon/I, var/accurate = 0, var/ignoreGreyscale = 0)
//Accurate: Use more accurate color averaging, usually has better results and prevents muddied or overly dark colors. Mad thanks to wwjnc.
//ignoreGreyscale: Excempts greyscale colors from the color list, useful for filtering outlines or plate overlays.
var/list/colors = ListColors(I, ignoreGreyscale)
if(!colors.len)
return null
var/list/colorsum = list(0, 0, 0) //Holds the sum of the RGB values to calculate the average
var/list/RGB = list(0, 0, 0) //Temp list for each color
var/total = colors.len
var/final_average
if (accurate) //keeping it legible
for(var/i = 1 to total)
RGB = ReadRGB(colors[i])
colorsum[1] += RGB[1]*RGB[1]
colorsum[2] += RGB[2]*RGB[2]
colorsum[3] += RGB[3]*RGB[3]
final_average = rgb(sqrt(colorsum[1]/total), sqrt(colorsum[2]/total), sqrt(colorsum[3]/total))
else
for(var/i = 1 to total)
RGB = ReadRGB(colors[i])
colorsum[1] += RGB[1]
colorsum[2] += RGB[2]
colorsum[3] += RGB[3]
final_average = rgb(colorsum[1]/total, colorsum[2]/total, colorsum[3]/total)
return final_average
/proc/ListColors(var/icon/I, var/ignoreGreyscale = 0)
var/list/colors = list()
for(var/x_pixel = 1 to I.Width())
for(var/y_pixel = 1 to I.Height())
var/this_color = I.GetPixel(x_pixel, y_pixel)
if(this_color)
if (ignoreGreyscale && ReadHSV(RGBtoHSV(this_color))[2] == 0) //If saturation is 0, must be greyscale
continue
colors.Add(this_color)
return colors
/proc/empty_Y_space(var/icon/I) //Returns the amount of lines containing only transparent pixels in an icon, starting from the bottom
for(var/y_pixel = 1 to I.Height())
for(var/x_pixel = 1 to I.Width())
if (I.GetPixel(x_pixel, y_pixel))
return y_pixel - 1
return null