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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
# encoding: utf-8
require File.join(File.expand_path(File.dirname(__FILE__)), "spec_helper")
describe Prawn::TransformationStack do
before { create_pdf }
before { pdf.add_to_transformation_stack(2, 0, 0, 2, 100, 100) }
let(:pdf) { @pdf }
let(:stack) { @pdf.instance_variable_get(:@transformation_stack) }
describe "#add_to_transformation_stack" do
it "creates and adds to the stack" do
pdf.add_to_transformation_stack(1, 0, 0, 1, 20, 20)
expect(stack).to eq [[[2, 0, 0, 2, 100, 100], [1, 0, 0, 1, 20, 20]]]
end
it "adds to the last stack" do
pdf.save_transformation_stack
pdf.add_to_transformation_stack(1, 0, 0, 1, 20, 20)
expect(stack).to eq [
[[2, 0, 0, 2, 100, 100]],
[[2, 0, 0, 2, 100, 100], [1, 0, 0, 1, 20, 20]]
]
end
end
describe "#save_transformation_stack" do
it "clones the last stack" do
pdf.save_transformation_stack
expect(stack.length).to eq 2
expect(stack.first).to eq stack.last
expect(stack.first).to_not be stack.last
end
end
describe "#restore_transformation_stack" do
it "pops off the last stack" do
pdf.save_transformation_stack
pdf.add_to_transformation_stack(1, 0, 0, 1, 20, 20)
pdf.restore_transformation_stack
expect(stack).to eq [[[2, 0, 0, 2, 100, 100]]]
end
end
describe "current_transformation_matrix_with_translation" do
before do
pdf.add_to_transformation_stack(1, 0, 0, 1, 20, 20)
end
it "calculates the last transformation" do
expect(pdf.current_transformation_matrix_with_translation).to eq [2, 0, 0, 2, 140, 140]
end
it "adds the supplied x and y coordinates to the transformation stack" do
expect(pdf.current_transformation_matrix_with_translation(15, 15)).to eq [2, 0, 0, 2, 170, 170]
end
end
end
|
