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Module noddybox.bitmapfont
ModuleInfo "Framework: Simple Bitmap Font Routines"
ModuleInfo "Copyright: Public Domain"
ModuleInfo "Author: Ian Cowburn"
ModuleInfo "Version: $Revision$"
' $Id$
Import brl.Max2D
Import brl.Basic
Strict
Type BitmapFont
Const NOCHR=95
Field img:TImage[NOCHR]
Field height:Int[NOCHR]
Field width:Int[NOCHR]
Field is_fixed:Int
Function Load:BitmapFont(path:String)
Local fnt:BitmapFont
Local str:TStream
Local magic:String
Local f,x,y
Local r,g,b
str=ReadStream(path)
If (Not str) Then Return Null
fnt=New BitmapFont
magic=ReadString(str,4)
If (magic<>"BMF1")
CloseStream(str)
Return Null
EndIf
fnt.is_fixed=Readint(str)
GetMaskColor(r,g,b)
SetMaskColor(0,0,0)
For f=0 Until NOCHR
fnt.width[f]=Readint(str)
fnt.height[f]=Readint(str)
fnt.img[f]=CreateImage(fnt.width[f],fnt.height[f],1,MASKEDIMAGE)'FILTEREDIMAGE|MASKEDIMAGE)
Local pm:TPixmap=LockImage(fnt.img[f])
For x=0 Until fnt.width[f]
For y=0 Until fnt.height[f]
WritePixel(pm,x,y,Readint(str))
Next
Next
UnlockImage(fnt.img[f])
Next
SetMaskColor(r,g,b)
CloseStream(str)
Return fnt
End Function
Method DrawColoured(txt:String, x:Int, y:Int, red:Int, green:Int, blue:Int)
Local f,r,g,b,c
Local xs#,ys#
GetScale(xs,ys)
GetColor(r,g,b)
SetColor(red,green,blue)
For f=0 Until Len(txt)
c=txt[f]-32
DrawImage(img[c],x,y)
x:+width[c]*xs
Next
SetColor(r,g,b)
End Method
Method Draw(txt:String, x:Int, y:Int)
DrawColoured(txt,x,y,255,255,255)
End Method
Method CentreColoured(txt:String, y:Int, red:Int, green:Int, blue:Int)
If is_fixed
DrawColoured(txt,GraphicsWidth()/2-Len(txt)*width[0]/2,y,red,green,blue)
Else
DrawColoured(txt,GraphicsWidth()/2-TextWidth(txt)/2,y,red,green,blue)
EndIf
End Method
Method Centre(txt:String, y:Int)
If is_fixed
DrawColoured(txt,GraphicsWidth()/2-Len(txt)*width[0]/2,y,255,255,255)
Else
DrawColoured(txt,GraphicsWidth()/2-TextWidth(txt)/2,y,255,255,255)
EndIf
End Method
Method TextWidth:Int(txt:String)
Local w
Local xs#,ys#
GetScale(xs,ys)
For Local f=0 Until Len(txt)
w:+width[txt[f]-32]*xs
Next
Return w
End Method
End Type
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