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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
require 'spec_helper'
describe Prawn::Text do
describe '#draw_text' do
let(:pdf) { create_pdf }
it 'raise_errors ArgumentError if :at option omitted' do
expect { pdf.draw_text('hai', {}) }.to raise_error(ArgumentError)
end
it 'raise_errors ArgumentError if :align option included' do
expect do
pdf.draw_text('hai', at: [0, 0], align: :center)
end.to raise_error(ArgumentError)
end
it 'allows drawing empty strings to the page' do
pdf.draw_text(' ', at: [100, 100])
text = PDF::Inspector::Text.analyze(pdf.render)
expect(text.strings.first).to eq(' ')
end
it 'defaults to 12 point helvetica' do
pdf.draw_text('Blah', at: [100, 100])
text = PDF::Inspector::Text.analyze(pdf.render)
expect(text.font_settings[0][:name]).to eq(:Helvetica)
expect(text.font_settings[0][:size]).to eq(12)
expect(text.strings.first).to eq('Blah')
end
it 'allows setting font size' do
pdf.draw_text('Blah', at: [100, 100], size: 16)
text = PDF::Inspector::Text.analyze(pdf.render)
expect(text.font_settings[0][:size]).to eq(16)
end
it 'allows setting a default font size' do
pdf.font_size = 16
pdf.draw_text('Blah', at: [0, 0])
text = PDF::Inspector::Text.analyze(pdf.render)
expect(text.font_settings[0][:size]).to eq(16)
end
# rubocop: disable Style/AccessorMethodName
rotated_text_inspector = Class.new(PDF::Inspector) do
attr_reader :tm_operator_used
def initialize
@tm_operator_used = false
end
def set_text_matrix_and_text_line_matrix(*_a)
@tm_operator_used = true
end
end
# rubocop: enable Style/AccessorMethodName
it 'allows rotation' do
pdf.draw_text('Test', at: [100, 100], rotate: 90)
text = rotated_text_inspector.analyze(pdf.render)
expect(text.tm_operator_used).to eq true
end
it 'does not use rotation matrix by default' do
pdf.draw_text('Test', at: [100, 100])
text = rotated_text_inspector.analyze(pdf.render)
expect(text.tm_operator_used).to eq false
end
it 'allows overriding default font for a single instance' do
pdf.font_size = 16
pdf.draw_text('Blah', size: 11, at: [0, 0])
pdf.draw_text('Blaz', at: [0, 0])
text = PDF::Inspector::Text.analyze(pdf.render)
expect(text.font_settings[0][:size]).to eq(11)
expect(text.font_settings[1][:size]).to eq(16)
end
it 'allows setting a font size transaction with a block' do
pdf.font_size 16 do
pdf.draw_text('Blah', at: [0, 0])
end
pdf.draw_text('blah', at: [0, 0])
text = PDF::Inspector::Text.analyze(pdf.render)
expect(text.font_settings[0][:size]).to eq(16)
expect(text.font_settings[1][:size]).to eq(12)
end
it 'allows manual setting the font size when in a font size block' do
pdf.font_size(16) do
pdf.draw_text('Foo', at: [0, 0])
pdf.draw_text('Blah', size: 11, at: [0, 0])
pdf.draw_text('Blaz', at: [0, 0])
end
text = PDF::Inspector::Text.analyze(pdf.render)
expect(text.font_settings[0][:size]).to eq(16)
expect(text.font_settings[1][:size]).to eq(11)
expect(text.font_settings[2][:size]).to eq(16)
end
it 'allows registering of built-in font_settings on the fly' do
pdf.font 'Times-Roman'
pdf.draw_text('Blah', at: [100, 100])
pdf.font 'Courier'
pdf.draw_text('Blaz', at: [150, 150])
text = PDF::Inspector::Text.analyze(pdf.render)
expect(text.font_settings[0][:name]).to eq(:"Times-Roman")
expect(text.font_settings[1][:name]).to eq(:Courier)
end
it 'raise_errors an exception when an unknown font is used' do
expect { pdf.font 'Pao bu' }.to raise_error(Prawn::Errors::UnknownFont)
end
it 'correctlies render a utf-8 string when using a built-in font' do
str = '©' # copyright symbol
pdf.draw_text(str, at: [0, 0])
# grab the text from the rendered PDF and ensure it matches
text = PDF::Inspector::Text.analyze(pdf.render)
expect(text.strings.first).to eq(str)
end
it 'raises an exception when a utf-8 incompatible string is rendered' do
str = "Blah \xDD"
expect { pdf.draw_text(str, at: [0, 0]) }.to raise_error(
Prawn::Errors::IncompatibleStringEncoding
)
end
it 'does not raise an exception when a shift-jis string is rendered' do
datafile = "#{Prawn::DATADIR}/shift_jis_text.txt"
sjis_str = File.open(datafile, 'r:shift_jis', &:gets)
pdf.font("/usr/share/fonts/truetype/arphic-gkai00mp/gkai00mp.ttf")
pdf.draw_text(sjis_str, at: [0, 0])
end
end
end
|
