Im working on a Gui library and i did not want to use any graphics contexts what so ever for making skins, i have been using pixmaps for everything. I did manage to just write a function to draw imagefonts to a pixmap, this is not a realtime function i just needed it for prerendered text to slap as a panel pixmap.
So far this is what i got. Still needs some improvement, let me know if there are any problems or tips you can give me.
Function drawpixmaptext(text$,pix:TPixmap,x,y,font:TImageFont,red=255,green=255,blue=255)
Local newx
Local theight
theight = font.Height()
Print theight
For i = 0 To text.length-1
tempText$ = Mid(text, i+1, 1)
asciiVal = Asc(tempText)
n=font.CharToGlyph( asciiVal )
If n<0 Continue
glyph:TImageGlyph = font.LoadGlyph(n)
image:TImage=glyph._image
Print "Draw "+Chr(asciiVal)
If image <> Null
tempix:TPixmap = LockImage(image)
UnlockImage(glyph._image)
If tempix
For yy = 0 To tempix.height-1
For xx = 0 To tempix.width-1
If newx+x+xx < pix.width And y+yy < pix.height Then
alpha# = RGBA_alpha(ReadPixel(tempix,xx,yy))
alphan# = Float(alpha#/255.0)
anti# = 1.0-alphan#
ured = RGBA_Red(ReadPixel(tempix,xx,yy))
ugrn = RGBA_Green(ReadPixel(tempix,xx,yy))
ublu = RGBA_Blue(ReadPixel(tempix,xx,yy))
newred = ((RGBA_Red(ReadPixel(pix,newx+x+xx,y+yy))*anti#)+(ured*alphan#))
newgrn = ((RGBA_Green(ReadPixel(pix,newx+x+xx,y+yy))*anti#)+(ugrn*alphan#))
newblu = ((RGBA_Blue(ReadPixel(pix,newx+x+xx,y+yy))*anti#)+(ublu*alphan#))
If newred > 255 Then newred = 255
If newgrn > 255 Then newgrn = 255
If newblu > 255 Then newblu = 255
WritePixel(pix,newx+x+xx,(theight-tempix.height)+y+yy,ToRGBA(newred,newgrn,newblu,255))
EndIf
Next
Next
EndIf
EndIf
newx = newx + tempix.width
Next
End Function
Function RGBA_Red%(rgba%)
Return (rgba Shr 16) & $FF
End Function
Function RGBA_Green%(rgba%)
Return (rgba Shr 8) & $FF
End Function
Function RGBA_Blue%(rgba%)
Return rgba & $FF
End Function
Function RGBA_alpha%(rgba%)
Return (rgba% Shr 24) & $FF
End Function
Function ToRGBA%(r%,g%,b%,a%)
'return (a << 24) | (r << 16) | (g << 8) | (b);
Return ((A Shl 24) | (R Shl 16) | (G Shl 8) | B)
End Function
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