Sha256: c7e7893a8871aa356bf2439ac31f0eaab7dc47ccaf63708ef39dca9efc3164c8
Contents?: true
Size: 1.05 KB
Versions: 8
Compression:
Stored size: 1.05 KB
Contents
class SugarPNG
class Font
DEFAULT_DIR = File.expand_path("../../data/font", File.dirname(__FILE__))
HEIGHT = 16
def initialize dir = DEFAULT_DIR
@dir = dir
@pages = {}
end
def height
HEIGHT
end
# get glyph by index
def [] idx
idx = idx.ord if !idx.is_a?(Integer) && idx.respond_to?(:ord)
raise ArgumentError.new("invalid idx type: #{idx.class}") unless idx.is_a?(Integer)
raise ArgumentError.new("invalid idx: #{idx.inspect}") if idx<0 || idx>0xffff
pageno = idx >> 8
@pages[pageno] ||= Page.new(File.join(@dir, "%02x" % pageno))
@pages[pageno][idx]
end
class Page
def initialize fname
@data = Marshal.load(File.binread(fname))
@glyphs = {}
end
# get glyph by index
def [] ord
idx = ord&0xff
@glyphs[idx] ||= Glyph.new(
:height => HEIGHT,
:width => @data[idx].size/2,
:data => @data[idx],
:ord => ord
)
end
end # class Page
end # class Font
end
Version data entries
8 entries across 8 versions & 1 rubygems