Extension for rendering text on Gif logical screen. It does not supported by major Gif decoders. Font and text size decision is left to decoder. (recommended to decide based on grid/cell size) Text must be rendered with one character at cell. It's recommended to replace any characters less than 0x20 and greater than 0xf7 to be rendered as Space (0x20)

textGridY:Int

Y position of text grid on Logical Screen.

textGridX:Int

X position of text grid on Logical Screen.

textGridWidth:Int

Width of text grid in pixels.

textGridHeight:Int

Height of text grid in pixels.

textForegroundColorIndex:Int

Foreground/character color index.

textBackgroundColorIndex:Int

Background color index.

text:String

Text to render.

charCellWidth:Int

Width of character cell in text grid.

charCellHeight:Int

Height of character cell in text grid.