Module interface:fontengine - Font-engine interface

Index

• Channel type CT.FONTENGINE - Font-engine channel-type
  
  • Variable in? - Requests to font-engine
  • Variable out! - Responses from font-engine
• Record FONTATTR - Font attributes
  
  • Variable author - Font author (e.g
  • Variable author.len - Font author length
  • Variable csx, csy - Character size (pixels)
  • Variable flags - Font flags
  • Variable foundry - Font foundry/copyright (e.g
  • Variable foundry.len - Font foundry length
  • Variable id - Internal font ID
  • Variable name - Font name (e.g
  • Variable name.len - Font name length
  • Variable pntsz - Font point size
• Group FONTFLAG - Font flags
  
  • Constant FONTFLAG.ALPHA - Font has alpha table for each character
  • Constant FONTFLAG.LKTABLE - Font has leading/kerning table for each character
  • Constant FONTFLAG.OUTLINE - Font is an outline font (otherwise assume bitmap)
  • Constant FONTFLAG.PROPORTIONAL - Font is proportional
  • Constant FONTFLAG.STYLE.ITALIC - Italic style font
  • Constant FONTFLAG.STYLE.THIN - Thin style font
  • Constant FONTFLAG.UNICODE - Unicode font (not supported yet)
  • Constant FONTFLAG.WEIGHT.BOLD - Bold weighted font
• Protocol P.FONTENGINE.IN - Font-engine input protocol
  
  • Tag catalog - List font catalogue, responds with @X.((catalog -> X) |~| ok)
  • Tag load.font - Load a font from an rmox font-file (.rfn), responds with (catalog |~| error)
  • Tag query - Query a particular font, responds with (catalog |~| error)
  • Tag render.text - Render text onto an ARGB frame-buffer, responds with render.out
  • Tag text.width - Query how much space a particular string takes to render, responds with sizing error
• Protocol P.FONTENGINE.OUT - Font-engine output protocol
  
  • Tag catalog - Font catalogue entry attributes
  • Tag error - Generic error
  • Tag ok - Generic ok
  • Tag render.out - Rendered text framebuffer out
  • Tag sizing - Size info [x,y] if this was rendered

Declarations