Sha256: 40e0a5de56be0bd68a42adef57198ba3f47dba12956f7ef8de1a894936099c80
Contents?: true
Size: 1.56 KB
Versions: 15
Compression:
Stored size: 1.56 KB
Contents
require 'spec_helper'
describe ChunkyPNG::Canvas::Drawing do
describe '#point' do
it "should compose colors correctly" do
canvas = ChunkyPNG::Canvas.new(1, 1, ChunkyPNG::Color.rgb(200, 150, 100))
canvas.point(0,0, ChunkyPNG::Color.rgba(100, 150, 200, 128))
canvas[0,0].should == ChunkyPNG::Color.rgb(150, 150, 150)
end
end
describe '#line' do
it "should draw lines correctly with anti-aliasing" do
canvas = ChunkyPNG::Canvas.new(32, 32, ChunkyPNG::Color::WHITE)
canvas.line( 0, 0, 31, 31, ChunkyPNG::Color::BLACK)
canvas.line( 0, 31, 31, 0, ChunkyPNG::Color::BLACK)
canvas.line(15, 31, 15, 0, ChunkyPNG::Color.rgba(200, 0, 0, 128))
canvas.line( 0, 15, 31, 15, ChunkyPNG::Color.rgba(200, 0, 0, 128))
canvas.line( 0, 15, 31, 31, ChunkyPNG::Color.rgba( 0, 200, 0, 128))
canvas.line( 0, 15, 31, 0, ChunkyPNG::Color.rgba( 0, 200, 0, 128))
canvas.line(15, 0, 31, 31, ChunkyPNG::Color.rgba( 0, 0, 200, 128))
canvas.line(15, 0, 0, 31, ChunkyPNG::Color.rgba( 0, 0, 200, 128))
canvas.should == reference_canvas('lines')
end
end
describe '#rect' do
it "should draw a rectangle with the correct colors" do
canvas = ChunkyPNG::Canvas.new(16, 16, ChunkyPNG::Color::WHITE)
canvas.rect(1, 1, 10, 10, ChunkyPNG::Color.rgb(0, 255, 0), ChunkyPNG::Color.rgba(255, 0, 0, 100))
canvas.rect(5, 5, 14, 14, ChunkyPNG::Color.rgb(0, 0, 255), ChunkyPNG::Color.rgba(255, 255, 0, 100))
canvas.should == reference_canvas('rect')
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems