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CommonJS Module for Titanium that allows you to create gradient filled Labels (note: iOS only) Updated to include updates from Todd Lindner - as noted here : https://gist.github.com/toddlindner/5093536
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/* | |
WildText CommonJS module for Appcelerator Titanium | |
Create dynamic gradient filled text in your iOS Applications using this simple module. | |
@params : text - String. The text for your label | |
font - Font. Specify the font attributes for the label (defaults to standard size, weight and family), | |
backgroundGradient - BackgroundGradient. Specify your backgroundGradient object (defaults to White to Black linear gradient), | |
Top - Integer. Top property for your label, | |
Left - Integer. Left Property for your Label, | |
Bottom - Integer. Bottom Property for your Label, | |
Right - Integer. Right Property for your Label | |
Example Usage: | |
var WildText = require("wildText"); | |
var win = Ti.UI.createWindow(); | |
var text = new WildText({ | |
text: "Custom Gradient and Font", | |
backgroundGradient:{ | |
type: 'linear', | |
startPoint:{x:0, y:0}, | |
endPoint: {x:0, y:"100%"}, | |
colors:[ | |
{color: "#f00", offset:0.2}, | |
{color: "#fff", offset: 0.5}, | |
{color: "#00f", offset:0.7} | |
], | |
}, | |
font: { | |
fontSize: 30, | |
fontWeight: "bold" | |
}, | |
top: 10, | |
}); | |
win.add(text); | |
win.open(); | |
*/ | |
var WildText = function(_args){ | |
_args = _args || {}; | |
var FOLDER_PATH = Ti.Filesystem.tempDirectory; | |
var filename = _args.text.replace(" ", "_"); | |
this.labelImageFile = Ti.Filesystem.getFile(FOLDER_PATH, filename + "_text.png"); | |
if (this.labelImageFile.exists()) { | |
Ti.API.info("Reading " + this.labelImageFile.nativePath); | |
this.label = this.labelImageFile.read(); | |
} else { | |
// Create an image from the Label to get the masked Text | |
this.label = Ti.UI.createLabel({ | |
text: _args.text, | |
color: "#000", | |
font: _args.font || { | |
fontSize: "24dp", | |
fontFamily: "Calibri", | |
fontWeight: "bold" | |
}, | |
backgroundColor: "transparent", | |
width: Ti.UI.SIZE, | |
height: Ti.UI.SIZE | |
}).toImage(); | |
Ti.API.info("Writing " + this.labelImageFile.nativePath); | |
this.labelImageFile.write(this.label); | |
} | |
this.bkgImageFile = Ti.Filesystem.getFile(FOLDER_PATH, filename + "_bkg.png"); | |
if (!this.bkgImageFile.exists()) { | |
this.background = Ti.UI.createView({ | |
width: this.label.width, | |
height: this.label.height, | |
backgroundGradient: _args.backgroundGradient || { | |
type: 'linear', | |
startPoint:{x:0, y:0}, | |
endPoint: {x:0, y:"100%"}, | |
colors:[ | |
{color: "#fff", offset:0.0}, | |
{color: "#000", offset:1.0} | |
], | |
} | |
}).toImage(); | |
Ti.API.info("Writing " + this.bkgImageFile.nativePath); | |
this.bkgImageFile.write(this.background); | |
} | |
var API = Titanium.UI.createMaskedImage({ | |
image : this.bkgImageFile.nativePath , // alpha mask | |
mask : this.labelImageFile.nativePath, // image to mask | |
mode : Titanium.UI.iOS.BLEND_MODE_SOURCE_IN, | |
height: this.label.height, | |
width: this.label.width, | |
top: _args.top || null, | |
left: _args.left || null, | |
right: _args.right || null, | |
bottom: _args.bottom || null | |
}); | |
return API; | |
}; | |
module.exports = WildText; |
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