1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
require 'tmpdir'
RSpec.describe Magick::Image, '#store_pixels' do
it 'works' do
image = described_class.new(20, 20)
pixels = image.get_pixels(0, 0, image.columns, 1)
result = image.store_pixels(0, 0, image.columns, 1, pixels)
expect(result).to be(image)
pixels[0] = 'x'
expect { image.store_pixels(0, 0, image.columns, 1, pixels) }.to raise_error(TypeError)
expect { image.store_pixels(-1, 0, image.columns, 1, pixels) }.to raise_error(RangeError)
expect { image.store_pixels(0, -1, image.columns, 1, pixels) }.to raise_error(RangeError)
expect { image.store_pixels(0, 0, 1 + image.columns, 1, pixels) }.to raise_error(RangeError)
expect { image.store_pixels(-1, 0, 1, 1 + image.rows, pixels) }.to raise_error(RangeError)
expect { image.store_pixels(0, 0, image.columns, 1, ['x']) }.to raise_error(IndexError)
expect { image.store_pixels(0, 0, image.columns, 1, 1234) }.to raise_error(IndexError)
end
it 'supports CMYK color' do
image = described_class.new(1, 1)
image.colorspace = Magick::CMYKColorspace
pixel = Magick::Pixel.new
pixel.cyan = 49 * 257
pixel.magenta = 181 * 257
pixel.yellow = 1 * 257
pixel.black = 183 * 257
image.store_pixels(0, 0, 1, 1, [pixel])
temp_file_path = File.join(Dir.tmpdir, 'rmagick_store_pixel.jpg')
image.write(temp_file_path)
image2 = described_class.read(temp_file_path).first
pixel = image2.get_pixels(0, 0, 1, 1).first
expect(pixel.cyan).to equal(49 * 257)
expect(pixel.magenta).to equal(181 * 257)
expect(pixel.yellow).to equal(1 * 257)
expect(pixel.black).to equal(183 * 257)
File.delete(temp_file_path)
end
end
|
