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Editing: text_demo2.rb
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# # << Haru Free PDF Library 2.0.0 >> -- text_demo2.rb # # Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp> # # 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" samp_text = "The quick brown fox jumps over the lazy dog. " pdf = HPDFDoc.new page = pdf.add_page page.set_size(HPDFDoc::HPDF_PAGE_SIZE_A5, HPDFDoc::HPDF_PAGE_PORTRAIT) height = page.get_height font = pdf.get_font("Helvetica", nil) page.set_text_leading(20) # HPDF_TALIGN_LEFT left = 25 top = 545 right = 200 bottom = top - 40 page.rectangle(left, bottom, right - left, top - bottom) page.stroke page.begin_text page.set_font_and_size(font, 10) page.text_out(left, top + 3, "HPDF_TALIGN_LEFT") page.set_font_and_size(font, 13) page.text_rect(left, top, right, bottom, samp_text, HPDFDoc::HPDF_TALIGN_LEFT) page.end_text # HPDF_TALIGN_RIGHT left = 220 right = 395 page.rectangle(left, bottom, right - left, top - bottom) page.stroke page.begin_text page.set_font_and_size(font, 10) page.text_out(left, top + 3, "HPDF_TALIGN_RIGHT") page.set_font_and_size(font, 13) page.text_rect(left, top, right, bottom, samp_text, HPDFDoc::HPDF_TALIGN_RIGHT) page.end_text # HPDF_TALIGN_CENTER left = 25 top = 475 right = 200 bottom = top - 40 page.rectangle(left, bottom, right - left, top - bottom) page.stroke page.begin_text page.set_font_and_size(font, 10) page.text_out(left, top + 3, "HPDF_TALIGN_CENTER") page.set_font_and_size(font, 13) page.text_rect(left, top, right, bottom, samp_text, HPDFDoc::HPDF_TALIGN_CENTER) page.end_text # HPDF_TALIGN_JUSTIFY left = 220 right = 395 page.rectangle(left, bottom, right - left, top - bottom) page.stroke page.begin_text page.set_font_and_size(font, 10) page.text_out(left, top + 3, "HPDF_TALIGN_JUSTIFY") page.set_font_and_size(font, 13) page.text_rect(left, top, right, bottom, samp_text, HPDFDoc::HPDF_TALIGN_JUSTIFY) page.end_text # Skewed coordinate system angle1 = 5.0 angle2 = 10.0 rad1 = angle1 / 180 * 3.141592 rad2 = angle2 / 180 * 3.141592 page.gsave page.concat(1, Math.tan(rad1), Math.tan(rad2), 1, 25, 350) left = 0 top = 40 right = 175 bottom = 0 page.rectangle(left, bottom, right - left, top - bottom) page.stroke page.begin_text page.set_font_and_size(font, 10) page.text_out(left, top + 3, "Skewed coordinate system") page.set_font_and_size(font, 13) page.text_rect(left, top, right, bottom, samp_text, HPDFDoc::HPDF_TALIGN_LEFT) page.end_text page.grestore # Rotated coordinate system page.gsave angle1 = 5.0 rad1 = angle1 / 180 * 3.141592 page.concat(Math.cos(rad1), Math.sin(rad1), -Math.sin(rad1), Math.cos(rad1), 220, 350) left = 0 top = 40 right = 175 bottom = 0 page.rectangle(left, bottom, right - left, top - bottom) page.stroke page.begin_text page.set_font_and_size(font, 10) page.text_out(left, top + 3, "Rotated coordinate system") page.set_font_and_size(font, 13) page.text_rect(left, top, right, bottom, samp_text, HPDFDoc::HPDF_TALIGN_LEFT) page.end_text page.grestore # text along a circle page.set_gray_stroke(0) page.circle(210, 190, 145) page.circle(210, 190, 113) page.stroke angle1 = 360.0 / samp_text.length angle2 = 180.0 page.begin_text font = pdf.get_font("Courier-Bold", nil) page.set_font_and_size(font, 30) i = 0 while i < samp_text.length rad1 = (angle2 - 90) / 180 * 3.141592 rad2 = angle2 / 180 * 3.141592 x = 210.0 + Math.cos(rad2) * 122 y = 190.0 + Math.sin(rad2) * 122 page.set_text_matrix(Math.cos(rad1), Math.sin(rad1), -Math.sin(rad1), Math.cos(rad1), x, y) page.show_text(samp_text[i, 1]) angle2 -= angle1 i = i + 1 end page.end_text pdf.save_to_file($0 + ".pdf")
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