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Contents
require_relative '../../helper'
Tk.init
describe Tk::Font do
it 'lists names of all named fonts' do
Tk::Font.names.sort.should == [
"TkCaptionFont", "TkDefaultFont", "TkFixedFont", "TkHeadingFont",
"TkIconFont", "TkMenuFont", "TkSmallCaptionFont", "TkTextFont",
"TkTooltipFont"
]
end
it 'measures a character' do
Tk::Font.measure('TkDefaultFont', '0').should >= 4
end
it 'shows metrics of a font' do
Tk::Font.metrics('TkDefaultFont', :ascent).should == 12
Tk::Font.metrics('TkDefaultFont', :descent).should == 3
Tk::Font.metrics('TkDefaultFont', :linespace).should == 15
Tk::Font.metrics('TkDefaultFont', :fixed).should == 0
end
it 'lists all font families on the system' do
Tk::Font.families.size.should > 0
end
it 'creates a font' do
Tk::Font.create('Awesome Font').should == "Awesome Font"
Tk::Font.names.sort.should.include('Awesome Font')
lambda{
Tk::Font.create('Awesome Font')
}.should.raise.message =~ /^named font "Awesome Font" already exists/
end
it 'show configuration for our font' do
conf = Tk::Font.configure('Awesome Font')
conf[:family].should == ''
conf[:size].should == 0
conf[:weight].should == :normal
conf[:slant].should == :roman
conf[:underline].should == false
conf[:overstrike].should == false
end
it 'manipulates configuration of our font' do
Tk::Font.configure('Awesome Font', size: 10)
Tk::Font.configure('Awesome Font')[:size].should == 10
end
it 'shows actual information about the font' do
conf = Tk::Font.actual('Awesome Font')
conf[:family].should.not == ''
conf[:size].should == 10
conf[:weight].should == :normal
conf[:slant].should == :roman
conf[:underline].should == false
conf[:overstrike].should == false
end
it 'deletes the font' do
Tk::Font.delete('Awesome Font')
Tk::Font.names.should.not.include('Awesome Font')
end
end
Version data entries
9 entries across 9 versions & 1 rubygems