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cftFont.cxs
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cftFont.cxs
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Strict
#rem
Title: fantomCX
Description: A 2D game framework for the Cerberus X programming language
Author: Michael Hartlef
Contact: michaelhartlef@gmail.com
Website: http://www.fantomgl.com
License: MIT
#End
Import fantomCX
#Rem
'nav:<blockquote><nav><b>fantomCX documentation</b> | <a href="index.html">Home</a> | <a href="classes.html">Classes</a> | <a href="3rdpartytools.html">3rd party tools</a> | <a href="examples.html">Examples</a> | <a href="changes.html">Changes</a></nav></blockquote>
#End
'header:The module cftFont hosts several classes which add bitmap font drawing to fantomCX. Bitmap fonts are important if you need to show text information inside your game fast and easy.
'#DOCOFF#
'***************************************
Class ftChar
Field id:Int
Field page:Int
Field x:Int
Field y:Int
Field width:Int
Field height:Int
Field xoff:Int
Field yoff:Int
Field xadv:Int
End
'#DOCON#
'***************************************
'summery:The class ftFont provides a few methods regarding the definition of a loaded font.
Class ftFont
'#DOCOFF#
Field pages:Image[]
Field pageCount:Int
Field filename:String
Field charMap:IntMap<ftChar> = New IntMap<ftChar>
Field lineHeight:Int
Field drawBorder:Bool = False
Field drawShadow:Bool = False
Field borderMap:IntMap<ftChar> = New IntMap<ftChar>
Field shadowMap:IntMap<ftChar> = New IntMap<ftChar>
Field engine:ftEngine = Null
'------------------------------------------
Method Draw:Void(t:String, xpos:Float, ypos:Float)
Local currx:Float
Local curry:Float
Local c:Int=0
Local tmpChar:ftChar
Local len:Int = t.Length()
currx = xpos
curry = ypos
If Self.drawShadow = True
For Local i:Int = 1 To len
c=t[i-1]
tmpChar = Self.shadowMap.Get(c)
If tmpChar <> Null Then
'DrawImageRect( Self.pages[tmpChar.page], currx + tmpChar.xoff, curry + tmpChar.yoff, tmpChar.x, tmpChar.y, tmpChar.width, tmpChar.height)
Self.engine.currentCanvas.DrawRect( currx + tmpChar.xoff, curry + tmpChar.yoff, Self.pages[tmpChar.page], tmpChar.x, tmpChar.y, tmpChar.width, tmpChar.height )
currx += tmpChar.xadv
Endif
Next
Endif
currx = xpos
curry = ypos
If Self.drawBorder = True
For Local i:Int = 1 To len
c=t[i-1]
tmpChar = Self.borderMap.Get(c)
If tmpChar <> Null Then
'DrawImageRect( Self.pages[tmpChar.page], currx + tmpChar.xoff, curry + tmpChar.yoff, tmpChar.x, tmpChar.y, tmpChar.width, tmpChar.height)
Self.engine.currentCanvas.DrawRect( currx + tmpChar.xoff, curry + tmpChar.yoff, Self.pages[tmpChar.page], tmpChar.x, tmpChar.y, tmpChar.width, tmpChar.height )
currx += tmpChar.xadv
Endif
Next
Endif
currx = xpos
curry = ypos
For Local i:Int = 1 To len
c=t[i-1]
tmpChar = Self.charMap.Get(c)
If tmpChar <> Null Then
'DrawImageRect( Self.pages[tmpChar.page], currx + tmpChar.xoff, curry + tmpChar.yoff, tmpChar.x, tmpChar.y, tmpChar.width, tmpChar.height)
Self.engine.currentCanvas.DrawRect( currx + tmpChar.xoff, curry + tmpChar.yoff, Self.pages[tmpChar.page], tmpChar.x, tmpChar.y, tmpChar.width, tmpChar.height )
currx += tmpChar.xadv
Endif
Next
End
'#DOCON#
'------------------------------------------
'summery:Returns the maximum height of the font.
'seeAlso:Height
Method Height:Int()
Return lineHeight
End
'------------------------------------------
'summery:Returns the length in pixel of the given text string.
'seeAlso:Length
Method Length:Int(t:String)
Local currx:Int=0
Local c:Int=0
Local len:Int = t.Length()
Local tmpChar:ftChar
For Local i:Int = 1 To len
c=t[i-1]
tmpChar = Self.charMap.Get(c)
If tmpChar <> Null Then
currx += tmpChar.xadv
Endif
Next
Return currx
End
'#DOCOFF#
'------------------------------------------
Method LoadFMPacked:Void(info:String, url:String)
Local pageNum:Int = 0
'Local info:String = app.LoadString(url)
Local header:String = info[.. info.Find(",")]
Local separator:String
Select header
Case "P1"
separator = "."
Case "P1.01"
separator = "_P_"
End Select
info = info[info.Find(",")+1..]
Local maxPacked:Int = 0
Local maxChar:Int = 0
Local prefixName:String = url
If prefixName.ToLower().EndsWith(".txt") Then prefixName = prefixName[..-4]
Local charList:String[] = info.Split(";")
For Local chr:String = Eachin charList
Local chrdata:String[] = chr.Split(",")
If chrdata.Length() <2 Then Exit
Local tmpChar:ftChar = New ftChar
Local charIndex:Int = Int(chrdata[0])
Local packedFontIndex:Int = Int(chrdata[2])
If packedFontIndex > Self.pageCount
Self.pageCount = packedFontIndex
Endif
tmpChar.id = charIndex
tmpChar.x = Int(chrdata[3]) 'packedPosition.x
tmpChar.y = Int(chrdata[4]) 'packedPosition.y
tmpChar.width = Int(chrdata[5]) 'packedSize.x
tmpChar.height = Int(chrdata[6]) 'packedSize.y
tmpChar.xoff = Int(chrdata[8]) 'drawingMetrics.drawingOffset.x
tmpChar.yoff = Int(chrdata[9]) 'drawingMetrics.drawingOffset.y
tmpChar.xadv = Int(chrdata[12]) 'drawingMetrics.drawingWidth
tmpChar.page = (Int(chrdata[2])-1) 'packedFontIndex
If tmpChar.height > Self.lineHeight And chrdata[1] = "F"
Self.lineHeight = tmpChar.height
Endif
If chrdata[1]<> "F" And Int(chrdata[12])< 1
tmpChar.xadv = _GetxAdv(tmpChar.id)
Endif
Select chrdata[1]
Case "B"
Self.borderMap.Add(tmpChar.id, tmpChar)
Self.drawBorder = True
Case "F"
Self.charMap.Add(tmpChar.id, tmpChar)
Case "S"
Self.shadowMap.Add(tmpChar.id, tmpChar)
Self.drawShadow = True
End Select
Next
Self.pages = New Image[Self.pageCount]
For Local i:Int = 1 To Self.pageCount
pageNum = i - 1
If Self.pages[pageNum] = Null Then
Self.pages[pageNum] = Image.Load(prefixName + separator + i + ".png", 0.5, 0.5, Image.Filter)
Self.filename = prefixName + separator + i + ".png"
#If CONFIG="debug"
If Self.pages[pageNum] = Null Then Error("~n~nError in file cftFont.cxs, Method ftFont.LoadFMPacked~n~nCan not load page image: "+Self.filename)
#End
Endif
Next
End
'------------------------------------------
Method Load:Void(url:String)
Local iniText:String
Local pageNum:Int = 0
Local idnum:Int = 0
Local path:String =""
Local tmpChar:ftChar = Null
Local plLen:Int
Local lines:String[]
If url.Find("/") > -1 Then
Local pl:= url.Split("/")
plLen = pl.Length()
For Local pi:= 0 To (plLen-2)
path = path + pl[pi]+"/"
Next
Endif
Local ts:String = url.ToLower()
If (ts.Find(".txt") > 0) Then
iniText = app.LoadString(url)
Else
iniText = app.LoadString(url+".txt")
Endif
If iniText.StartsWith("P1")
Self.LoadFMPacked(iniText,url)
Return
Endif
lines = iniText.Split(String.FromChar(13)+String.FromChar(10))
If lines.Length() < 2 then
lines = iniText.Split(String.FromChar(10))
Endif
For Local line := Eachin lines
line = line.Trim()
If line.StartsWith("info") Or line = "" Then Continue
If line.StartsWith("padding") Then Continue
If line.StartsWith("common") Then
Local commondata:= line.Split(String.FromChar(32))
For Local common:= Eachin commondata
' Maximum Line height
If common.StartsWith("lineHeight=") Then
Local lnh$[] = common.Split("=")
lnh[1] = lnh[1].Trim()
Self.lineHeight = Int(lnh[1])
Endif
' Number of bitmap font images
If common.StartsWith("pages=") Then
Local lnh$[] = common.Split("=")
lnh[1] = lnh[1].Trim()
Self.pageCount = Int(lnh[1])
Self.pages = New Image[Self.pageCount]
Endif
Next
Endif
' Loading the bitmap font images
If line.StartsWith("page") Then
Local pagedata := line.Split(String.FromChar(32))
For Local data := Eachin pagedata
If data.StartsWith("file=") Then
Local fn$[] = data.Split("=")
fn[1] = fn[1].Trim()
Self.filename = fn[1]
If filename[0] = 34 Then
Self.filename = filename[1..(filename.Length()-1)]
Endif
Self.filename = path+filename.Trim()
Self.pages[pageNum] = Image.Load(Self.filename, 0.5, 0.5, Image.Filter)
#If CONFIG="debug"
If Self.pages[pageNum] = Null Then Error("~n~nError in file cftFont.cxs, Method ftFont.Load~n~nCan not load page image: "+Self.filename)
#End
pageNum = pageNum + 1
Endif
Next
Endif
If line.StartsWith("chars") Then Continue
If line.StartsWith("char") Then
tmpChar = New ftChar
Local linedata:= line.Split(String.FromChar(32))
For Local data:= Eachin linedata
If data.StartsWith("id=") Then
Local idc$[] = data.Split("=")
idc[1] = idc[1].Trim()
tmpChar.id = Int(idc[1])
Endif
If data.StartsWith("x=") Then
Local xc$[] = data.Split("=")
xc[1] = xc[1].Trim()
tmpChar.x = Int(xc[1])
Endif
If data.StartsWith("y=") Then
Local yc$[] = data.Split("=")
yc[1] = yc[1].Trim()
tmpChar.y = Int(yc[1])
Endif
If data.StartsWith("width=") Then
Local wc$[] = data.Split("=")
wc[1] = wc[1].Trim()
tmpChar.width = Int(wc[1])
Endif
If data.StartsWith("height=") Then
Local hc$[] = data.Split("=")
hc[1] = hc[1].Trim()
tmpChar.height = Int(hc[1])
Endif
If data.StartsWith("xoffset=") Then
Local xoc$[] = data.Split("=")
xoc[1] = xoc[1].Trim()
tmpChar.xoff = Int(xoc[1])
Endif
If data.StartsWith("yoffset=") Then
Local yoc$[] = data.Split("=")
yoc[1] = yoc[1].Trim()
tmpChar.yoff = Int(yoc[1])
Endif
If data.StartsWith("xadvance=") Then
Local advc$[] = data.Split("=")
advc[1] = advc[1].Trim()
tmpChar.xadv = Int(advc[1])
Endif
If data.StartsWith("page=") Then
Local advc$[] = data.Split("=")
advc[1] = advc[1].Trim()
tmpChar.page = Int(advc[1])
Endif
Next
Self.charMap.Add(tmpChar.id, tmpChar)
Endif
Continue
Next
End
'-----------------------------
Method _GetxAdv:Int(id:Int)
Local tmpChar:ftChar = Self.charMap.Get(id)
Return tmpChar.xadv
End
End
'#DOCON#
#rem
footer:This fantomCX framework is released under the MIT license:
[quote]Copyright (c) 2011-2018 Michael Hartlef
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the software, and to permit persons to whom the software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
[/quote]
#end