Sha256: 59ad83ceff9e687164176f5e10aae44bfedcb7f1a821d5853dcd60509b113be8
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Size: 1.14 KB
Versions: 9
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Stored size: 1.14 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
end
Version data entries
9 entries across 9 versions & 1 rubygems