FT800 Series Programmer Guide
Version 2.1
Document Reference No.: BRT_000030 Clearance No.: BRT#037
90
Copyright © Bridgetek Limited
BARGRAPH - render data as a bar graph. Looks up the x coordinate in a byte array, then
gives an opaque pixel if the byte value is less than y, otherwise a transparent pixel. The
result is a bar graph of the bitmap data. A maximum of 256x256 size bitmap can be
drawn using the BARGRAPH format. Orientation, width and height of the graph can be
altered using the bitmap transform matrix.
TEXT8X8 - lookup in a fixed 8x8 font. The bitmap is a byte array present in the graphics
ram and each byte indexes into an internal 8x8 CP437 [2] font (inbuilt font bitmap
handles 16 & 17 are used for drawing TEXT8X8 format). The result is that the bitmap
