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//opt/alt/libharu/usr/share/libharu/bindings/ruby/demo/arc_demo.rb
# # << Haru Free PDF Library 2.0.2 >> -- arc_demo.rb # # http://libharu.org/ # # Copyright (c) 1999-2006 Takeshi Kanno # # Permission to use, copy, modify, distribute and sell this software # and its documentation for any purpose is hereby granted without fee, # provided that the above copyright notice appear in all copies and # that both that copyright notice and this permission notice appear # in supporting documentation. # It is provided "as is" without express or implied warranty. # require "hpdf" pdf = HPDFDoc.new # add a new page object. # page = pdf.add_page page.set_height(220) page.set_width(200) # draw pie chart # # A: 45% Red # B: 25% Blue # C: 15% green # D: other yellow # # A # page.set_rgb_fill(1.0, 0, 0) page.move_to(100, 100) page.line_to(100, 180) page.arc(100, 100, 80, 0, 360 * 0.45) pos = page.get_current_pos page.line_to(100, 100) page.fill # B # page.set_rgb_fill(0, 0, 1.0) page.move_to(100, 100) page.line_to(pos[0], pos[1]) page.arc(100, 100, 80, 360 * 0.45, 360 * 0.7) pos = page.get_current_pos page.line_to(100, 100) page.fill # C # page.set_rgb_fill(0, 1.0, 0) page.move_to(100, 100) page.line_to(pos[0], pos[1]) page.arc(100, 100, 80, 360 * 0.7, 360 * 0.85) pos = page.get_current_pos page.line_to(100, 100) page.fill # D # page.set_rgb_fill(1.0, 1.0, 0) page.move_to(100, 100) page.line_to(pos[0], pos[1]) page.arc(100, 100, 80, 360 * 0.85, 360) pos = page.get_current_pos page.line_to(100, 100) page.fill # draw center circle # page.set_gray_stroke(0) page.set_gray_fill(1) page.circle(100, 100, 30) page.fill pdf.save_to_file($0 + ".pdf")
