Class: PrawndownExt::Interface::CommandInterface

Inherits:
Object
  • Object
show all
Defined in:
lib/prawndown-ext.rb

Constant Summary collapse

COMMAND = 
{
	"text" => -> (args, pdf, options) { cl_text(args, pdf, options) },
	"img" => -> (args, pdf, options) { cl_img(args, pdf, options) },
	"quote" => -> (args,pdf, options) { cl_text_box(args, pdf, options) },
	"header1" => -> (args,pdf, options) { cl_text_box(args, pdf, options) },
	"header2" => -> (args,pdf, options) { cl_text_box(args, pdf, options) },
	"header3" => -> (args,pdf, options) { cl_text_box(args, pdf, options) },
	"header4" => -> (args,pdf, options) { cl_text_box(args, pdf, options) },
	"header5" => -> (args,pdf, options) { cl_text_box(args, pdf, options) },
	"header6" => -> (args,pdf, options) { cl_text_box(args, pdf, options) },
	"newpage" => -> (args,pdf, options) { cl_newline(args, pdf, options) }
}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.cl_img(args, pdf, options) ⇒ Object 



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
 
# File 'lib/prawndown-ext.rb', line 55

def self.cl_img args, pdf, options
	if options.key?("no_image")
		if options["no_image"]
			return
		end
	end
	
	width = nil
	height = nil
	
	if options.key?("image_width")
		width = options["image_width"].to_i
	end
	
	if options.key?("image_height")
		height = options["image_height"].to_i
	end
	
	if width.nil? && height.nil?
		width = pdf.bounds.width
	end
	
	if !width.nil?
		width = [pdf.bounds.width, width].min
	end
	
	if args["path"][0] == "/"
		args["path"] = args["path"][1..-1]
	end
	
	file = options["image_dir"] + "/" + args["path"]
	
	if !File.file?(file)
		file = "." + options["image_dir"] + "/" + args["path"]
	end
	
	if File.extname(file) != ".gif"
		if !(height.nil? && width.nil?)
		
			if !options.key?("image_pad")
				options["image_pad"] = 0
			end
		
			pdf.pad options["image_pad"] do
			
				if height.nil? && !width.nil?
					pdf.image(file,
									width: [pdf.bounds.width, width].min,
									position: :center)
				elsif !height.nil? && width.nil?
					pdf.image(file,
									height: height,
									position: :center)
				else
					pdf.image(file,
									width: [pdf.bounds.width, width].min,
									height: height,
									position: :center)
				end
			end
		end
	end
end

.cl_newline(args, pdf, options) ⇒ Object 



119
120
121
122
123
124
125
 
# File 'lib/prawndown-ext.rb', line 119

def self.cl_newline args, pdf, options
	if pdf.bounds.instance_of? Prawn::Document::ColumnBox 
		pdf.bounds.move_past_bottom
	else
		pdf.start_new_page
	end
end

.cl_text(args, pdf, options) ⇒ Object 



25
26
27
28
29
 
# File 'lib/prawndown-ext.rb', line 25

def self.cl_text args, pdf, options

	pdf.text args["text"], inline_format: true, leading: options["default_line_spacing"].to_f
	
end

.cl_text_box(args, pdf, options) ⇒ Object 



31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
 
# File 'lib/prawndown-ext.rb', line 31

def self.cl_text_box args, pdf, options
	if !options.key?(args["command"] + "_line_spacing")
		options[args["command"] + "_line_spacing"] = 0
	end
	
	if !options.key?(args["command"] + "_horizontal_margin")
		options[args["command"] + "_horizontal_margin"] = 0
	end

	if !options.key?(args["command"] + "_vertical_margin")
		options[args["command"] + "_vertical_margin"] = 0
	end

	margin = (options[args["command"] + "_horizontal_margin"] * 0.5).floor
	half_margin = (options[args["command"] + "_vertical_margin"] * 0.5).floor

	pdf.pad half_margin do
		pdf.indent margin, margin do
			pdf.text args["text"], inline_format: true, leading: options[args["command"] + "_line_spacing"].to_f
		end
	end
	
end

Instance Method Details

#exec(args, pdf, options) ⇒ Object 



128
129
130
131
132
133
134
135
136
137
 
# File 'lib/prawndown-ext.rb', line 128

def exec args, pdf, options
	if args.key?("command")
		if COMMAND.include?(args["command"])
			
			COMMAND[args["command"]].call(args, pdf, options)
			
		end
	end
	
end