6.1-roImageBuffer

Owned by Anonymous
Sept 27, 2021
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This object allows you to access decoded image-file data. You can then copy or manipulate that data.

Object Creation: An roImageBuffer object is instantiated with an roImagePlayer object and a string specifying the file path of an image file.

CreateObject("roImageBuffer", image_player As Object, file_path As String)
Example
imgPlayer = CreateObject("roImagePlayer")

imgBuffer = CreateObject("roImageBuffer", imgPlayer, "SD:/content/image.png")

ifImageBufferControl

DisplayBuffer(x As Integer, y As Integer) As Boolean

Displays the image on screen. The x and y integers specify the coordinates of the top-left corner of the image.

GetBufferByteArray() As roByteArray

Returns the decoded image-file data as an roByteArray.

GetBufferMetadata() As roAssociativeArray

Returns an associative array containing information about the image file. The associative array contains the following keys:

  • width: The width of the image file
  • height: The height of the image file
  • acceptable: A Boolean integer value indicating whether the image can be displayed by the roImagePlayer instance
  • format: The color space (ARGB/CMYK) of the image file
ConvertFormat(a As String) As Object