Bitmap^(native)

Bitmap class manages all operations with pictures. Using this class developer can load images from files and get theirs size, configuration etc.

Example

function loadImage() { // load bitmap file into memory this.bitmap = Bitmap.fromFile("dat://moscrif.jpg"); } ... // draw bitmap inside onDrawFunction app.onDraw = function(sender, canvas) { canvas.drawBitmap(this.bitmap, 0, 0); // there are also other functions for bitmap drawing see canvas class }

Properties

• config : Integer
  Returns a number representating bitmap's configuration.
• height : Integer
  Height of loaded image.
• opaque : Integer
  Is true if the device's bitmap config treats every pixel as implicitly opaque.
• width : Integer
  Width of loaded image.

Methods

• fromBytes(data) : Bitmap
  Loads image from byte array.
• fromFile(file) : Bitmap
  Function loads image from file. Supported types are: JPG and PNG.
• getSize(file) : Multivalue
  Returns size of image file in pixels.
• reset() : Bitmap
  Reset all values in object, included loaded image, height and width.
• resize(param1,param2) : Bitmap
  Resizes bitmap according to required width and height.

Remarks

Bitmap class supports following formats:

• .jpg - format uses lossy compression but does not support alpha channel. Frequently used for digital photography.
• .png - bitmap format of image that employs lossless data compression. This format also support alpha channel.