Dim OILcol(1,0)
; OILimage - Rich Hanson (PantsOn Software)
; v3
Function OILimage(image_img,brush_detail=5)
; set variables
iw = ImageWidth(image_img)
ih = ImageHeight(image_img)
output_img = CreateImage(iw,ih)
ib = ImageBuffer(image_img)
ob = ImageBuffer(output_img)
scan = brush_detail / 2
brush_detail2 = brush_detail*brush_detail
; create temp bank for pic data
; bank is larger than needed so no need to error check later
LockBuffer ib
tmp_bnk = CreateBank(4*(iw+brush_detail)*(ih+brush_detail))
For x = 0 To iw - 1
For y = 0 To ih - 1
PokeInt tmp_bnk,(x+scan)*4 + (y+scan)*(iw+brush_detail)*4, ReadPixelFast(x,y,ib) And %00000000111111001111110011111100
Next
Next
UnlockBuffer ib
; convert pic data
LockBuffer ob
For x = 0 To iw - 1
For y = 0 To ih - 1
Dim OILcol(1,brush_detail2)
count = 0
; scan around pixel. No more error checking
For x1 = -scan To scan
For y1 = -scan To scan
; read values from bank rather than screen
c = PeekInt(tmp_bnk,(x+x1+scan)*4 + (y+y1+scan)*(iw+brush_detail)*4)
; stpre populatiry of colour (needs opt)
For i = 0 To count
If OILcol(0,i) = c
OILcol(1,i) = OILcol(1,i) + 1
i = brush_detail2 + 2
EndIf
Next
If i = count + 1
OILcol(0,count) = c
OILcol(1,count) = 1
count = count + 1
EndIf
Next
Next
; find highest most common colour (needs opt)
high = 0
For a = 0 To brush_detail2
If OILcol(1,a) > high
OILcolour = OILcol(0,a)
high = OILcol(1,a)
EndIf
Next
WritePixelFast x,y,OILcolour,ob
Dim OILcol(0,0)
Next
Next
UnlockBuffer ob
; free temp stuff
FreeBank tmp_bnk
Dim OILcol(0,0)
; return new piccy
Return output_img
End Function |
