/
cairo.rb
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/
cairo.rb
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# vim: filetype=ruby:expandtab:shiftwidth=2:tabstop=8:softtabstop=2 :
if /mingw|mswin|mswin32/ =~ RUBY_PLATFORM
require "pathname"
base_dir = Pathname(File.dirname(__FILE__))
base_dir = base_dir.parent + "vendor" + "local"
if base_dir.exist?
base_dir = base_dir.to_s.gsub(/\//, "\\")
ENV["PATH"] = %w(bin lib).collect do |dir|
"#{base_dir}\\#{dir};"
end.join("") + ENV["PATH"]
else
require "rbconfig"
ENV["PATH"] = %w(bin lib).collect do |dir|
"#{RbConfig::CONFIG["prefix"]}\\lib\\GTK\\#{dir};"
end.join("") + ENV["PATH"]
end
end
module Cairo
class << self
def __add_one_arg_setter(klass)
names = klass.instance_methods(false)
names.each do |name|
if /^set_(.*)/ =~ name and
not names.include? "#{$1}=" and
klass.instance_method(name).arity == 1
klass.module_eval("def #{$1}=(val); set_#{$1}(val); val; end")
end
end
end
def normalize_const_name(name)
name.to_s.upcase.gsub(/[\s\-_.]+/, "_")
end
end
end
require "cairo/color"
require "cairo/paper"
begin
major, minor, _ = RUBY_VERSION.split(/\./)
require "#{major}.#{minor}/cairo.so"
rescue LoadError
require "cairo.so"
end
require "cairo/constants"
module Cairo
class << self
undef __add_one_arg_setter
def bindings_version
major, minor, micro, tag = BINDINGS_VERSION
version = [major, minor, micro].join(".")
version << "-#{tag}" if tag
version
end
def exit_application(exception, status)
puts("#{exception.class}: #{exception}")
puts(exception.backtrace)
exit(status)
end
end
class Surface
def dup
raise NotImplementedError
end
def clone
raise NotImplementedError
end
end
if const_defined?("PSLevel")
module PSLevel
class << self
def names
list.collect {|version| name(version)}
end
end
end
end
if const_defined?("SVGVersion")
module SVGVersion
class << self
def names
list.collect {|version| name(version)}
end
end
end
end
if const_defined?("SVGSurface")
class SVGSurface
class << self
def versions_as_string
SVGVersion.names
end
def versions
SVGVersion.list
end
def version_to_string(version)
SVGVersion.name(version)
end
end
end
end
class Matrix
def dup
Matrix.new(*to_a)
end
def clone
copy = dup
copy.freeze if self.frozen?
copy
end
def translate(tx, ty); dup.translate!(tx, ty); end
def scale(sx, sy); dup.scale!(sx, sy); end
def rotate(radians); dup.rotate!(radians); end
def invert; dup.invert!; end
def multiply(other); dup.multiply!(other); end
alias_method :*, :multiply
end
class FontOptions
def merge(other)
dup.merge!(other)
end
end
end
require "cairo/point"
require "cairo/colors"
require "cairo/papers"
require "cairo/context"
require "cairo/device"
require "cairo/surface"
require "cairo/pattern"
require "cairo/path"
require "cairo/region"
module Cairo
if const_defined?(:Win32Surface)
WIN32Surface = Win32Surface # For backward compatibility
end
end