Module: SDL::TTF

Extended by:
NiceFFI::Library
Defined in:
lib/ruby-sdl-ffi/ttf.rb

Defined Under Namespace

Classes: Font

Constant Summary collapse

UNICODE_BOM_NATIVE = 
0xFEFF
UNICODE_BOM_SWAPPED = 
0xFFFE
STYLE_NORMAL = 
0x00
STYLE_BOLD = 
0x01
STYLE_ITALIC = 
0x02
STYLE_UNDERLINE = 
0x04

Class Method Summary collapse

Class Method Details

.GlyphMetrics(font, char) ⇒ Object

Returns

[minx, maxx, miny, maxy, advance], or nil on failure.



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# File 'lib/ruby-sdl-ffi/ttf.rb', line 111

def self.GlyphMetrics( font, char )
  minx, maxx = FFI::Buffer.new(:int), FFI::Buffer.new(:int)
  miny, maxy = FFI::Buffer.new(:int), FFI::Buffer.new(:int)
  advance = FFI::Buffer.new(:int)
  result = __GlyphMetrics( font, char, minx, maxx, miny, maxy, advance )
  if( result == 0 )
    return [minx.get_int(0), maxx.get_int(0),
            miny.get_int(0), maxy.get_int(0), advance.get_int(0)]
  else
    nil
  end
end

.SizeText(font, text) ⇒ Object 



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# File 'lib/ruby-sdl-ffi/ttf.rb', line 129

def self.SizeText( font, text )
  w = FFI::Buffer.new( :int )
  h = FFI::Buffer.new( :int )
  __SizeText( font, text, w, h )
  return [w.get_int(0),h.get_int(0)]
end

.SizeUNICODE(font, text) ⇒ Object 



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# File 'lib/ruby-sdl-ffi/ttf.rb', line 153

def self.SizeUNICODE( font, text )
  w = FFI::Buffer.new( :int )
  h = FFI::Buffer.new( :int )
  __SizeUNICODE( font, text, w, h )
  return [w.get_int(0),h.get_int(0)]
end

.SizeUTF(font, text) ⇒ Object 



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# File 'lib/ruby-sdl-ffi/ttf.rb', line 141

def self.SizeUTF( font, text )
  w = FFI::Buffer.new( :int )
  h = FFI::Buffer.new( :int )
  __SizeUTF( font, text, w, h )
  return [w.get_int(0),h.get_int(0)]
end

.ttf_func(name, args, ret) ⇒ Object 



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# File 'lib/ruby-sdl-ffi/ttf.rb', line 42

def self.ttf_func( name, args, ret )
  func name, "TTF_#{name}", args, ret
end