Sha256: be83f5097fa7b29a9e4814967d28059d75e0a275ee456af8062e76895b713567
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Size: 1.43 KB
Versions: 21
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Contents
# encoding: utf-8
#
# This example demonstrates the basic functionality of Prawn's bounding boxes.
# Note that top level bounding boxes are positioned relative to the margin_box.
#
require "#{File.dirname(__FILE__)}/../example_helper.rb"
Prawn::Document.generate("bounding_boxes.pdf") do
# Generates a box with a top-left of [100,600] and a top-right of [300,600]
# The box automatically expands as the cursor moves down the page. Notice
# that the final coordinates are outlined by a top and bottom line drawn
# relatively using calculations from +bounds+.
#
bounding_box [100,600], :width => 200 do
move_down 10
text "The rain in spain falls mainly on the plains " * 5
move_down 20
stroke do
line bounds.top_left, bounds.top_right
line bounds.bottom_left, bounds.bottom_right
end
end
# Generates a bounding box from [100, cursor], [300, cursor - 200],
# where cursor is the current y position.
#
bounding_box [100,cursor], :width => 200, :height => 200 do
stroke do
circle_at [100,100], :radius => 100
line bounds.top_left, bounds.bottom_right
line bounds.top_right, bounds.bottom_left
end
# Generates a nested bonding box and strokes its boundaries. Note that
# this box is anchored relative to its parent bounding box, not the
# margin_box
bounding_box [50,150], :width => 100, :height => 100 do
stroke_bounds
end
end
end
Version data entries
21 entries across 21 versions & 7 rubygems