Skip to content

Instantly share code, notes, and snippets.

@cflove
Last active November 8, 2023 05:59
Show Gist options
  • Save cflove/2d73ae2834d1aa9944b221032dcb673b to your computer and use it in GitHub Desktop.
Save cflove/2d73ae2834d1aa9944b221032dcb673b to your computer and use it in GitHub Desktop.
create a favicon.icon file with coldfusion
<cffunction name="createFavicon" access="public" returntype="void">
<cfargument name="letter" type="string" required="true">
<cfargument name="saveLocation" type="string" required="true">
<!--- Set image dimensions (16x16 pixels) --->
<cfset width = 16>
<cfset height = 16>
<!--- Create a buffered image with transparency --->
<cfset BufferedImage = createObject("java", "java.awt.image.BufferedImage")>
<cfset image = BufferedImage.init(width, height, BufferedImage.TYPE_INT_ARGB)>
<!--- Get the Graphics2D object to draw on the image --->
<cfset Graphics2D = createObject("java", "java.awt.Graphics2D")>
<cfset g2d = image.createGraphics()>
<!--- Enable anti-aliasing for smoother text rendering --->
<cfset RenderingHints = createObject("java", "java.awt.RenderingHints")>
<cfset g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON)>
<!--- Enable text anti-aliasing for even smoother text rendering --->
<cfset g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON)>
<!--- Set background color --->
<cfset Color = createObject("java", "java.awt.Color")>
<cfset backgroundColor = Color.decode("##00BBF2")>
<cfset g2d.setColor(backgroundColor)>
<cfset g2d.fillRoundRect(0, 0, width, height, 4, 4)>
<!--- Set font and color --->
<cfset Font = createObject("java", "java.awt.Font")>
<cfset font = Font.init("Arial", Font.BOLD, 15)>
<cfset g2d.setFont(font)>
<cfset g2d.setColor(Color.white)>
<!--- Calculate the position for center-aligned text --->
<cfset fontMetrics = g2d.getFontMetrics()>
<cfset stringWidth = fontMetrics.stringWidth(arguments.letter)>
<cfset stringHeight = fontMetrics.getAscent() - fontMetrics.getDescent()>
<cfset x = (width - stringWidth) / 2>
<cfset y = (height + stringHeight) / 2>
<!--- Draw the input letter onto the image --->
<cfset g2d.drawString(arguments.letter, x, y)>
<!--- Dispose the graphics context and release resources --->
<cfset g2d.dispose()>
<!--- Save the image as .ico file --->
<cfset File = createObject("java", "java.io.File")>
<cfset ImageIO = createObject("java", "javax.imageio.ImageIO")>
<cfset icoFile = File.init(arguments.saveLocation)>
<cfset ImageIO.write(image, "png", icoFile)>
</cffunction>
<cfset createFavicon("M", "D:\iis\....\favicon.ico")>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment