From 29ad090c29567ff1a4d3a2ec9b8ad0b5d80ee24d Mon Sep 17 00:00:00 2001
From: pdanner <pdanner@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Mon, 6 Dec 2010 16:34:52 +0000
Subject: git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@671
 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

---
 .../java/at/gv/egiz/pdfas/web/itext/IText.java     | 111 +++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/itext/IText.java

(limited to 'pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/itext')

diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/itext/IText.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/itext/IText.java
new file mode 100644
index 0000000..7175991
--- /dev/null
+++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/itext/IText.java
@@ -0,0 +1,111 @@
+package at.gv.egiz.pdfas.web.itext;
+
+import java.awt.color.ICC_Profile;
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.io.output.ByteArrayOutputStream;
+import org.apache.log4j.Logger;
+
+import com.lowagie.text.Document;
+import com.lowagie.text.DocumentException;
+import com.lowagie.text.Font;
+import com.lowagie.text.PageSize;
+import com.lowagie.text.Paragraph;
+import com.lowagie.text.Rectangle;
+import com.lowagie.text.pdf.BaseFont;
+import com.lowagie.text.pdf.PdfArray;
+import com.lowagie.text.pdf.PdfDictionary;
+import com.lowagie.text.pdf.PdfICCBased;
+import com.lowagie.text.pdf.PdfName;
+import com.lowagie.text.pdf.PdfString;
+import com.lowagie.text.pdf.PdfWriter;
+
+public final class IText {
+   
+   private IText() {
+   }
+   
+   private static final Logger LOG = Logger.getLogger(IText.class);
+   
+   private static final Font        DEFAULT_FONT                 = new Font(Font.HELVETICA, 12, Font.NORMAL);
+   private static final String      DEFAULT_TTF_FONT_RESOURCE    = "DejaVuSansCondensed.ttf";
+   private static final String      DEFAULT_ICC_PROFILE_RESOURCE = "srgb.profile";
+   private static final Rectangle   DEFAULT_PAGE_SIZE            = PageSize.A4;
+   private static final int[]       DEFAULT_MARGINS_MM           = { 25, 25, 25, 25 }; // top, right, bottom, left
+   public  static final String      DEFAULT_FILENAME             = "text";
+   
+   private static       Font        DEFAULT_TTF_FONT;
+   private static       PdfICCBased DEFAULT_ICC_COLOR_SPACE;
+   
+   static {
+      try {
+         byte[] ttfFontData = IOUtils.toByteArray(IText.class.getResourceAsStream(DEFAULT_TTF_FONT_RESOURCE));
+         DEFAULT_TTF_FONT = new Font(BaseFont.createFont(DEFAULT_TTF_FONT_RESOURCE, BaseFont.WINANSI, true, true, ttfFontData, null));
+      } catch (Exception e) {
+         LOG.error(e);
+         DEFAULT_TTF_FONT = DEFAULT_FONT; 
+      }
+      try {
+         byte[] iccData = IOUtils.toByteArray(IText.class.getResourceAsStream(DEFAULT_ICC_PROFILE_RESOURCE));
+         DEFAULT_ICC_COLOR_SPACE = new PdfICCBased(ICC_Profile.getInstance(iccData));
+         DEFAULT_ICC_COLOR_SPACE.remove(PdfName.ALTERNATE);
+      } catch (Exception e) {
+         LOG.error(e);
+         DEFAULT_ICC_COLOR_SPACE = null; 
+      }
+   }
+   
+   public static byte[] createPDF(String content, boolean pdfa) throws DocumentException, IOException {
+      ByteArrayOutputStream baOut = new ByteArrayOutputStream();
+      createPDF(content, pdfa, baOut);
+      return baOut.toByteArray();
+   }
+   
+   public static byte[] createPDF(String content) throws DocumentException, IOException {
+      return createPDF(content, false);
+   }
+
+
+   private static void addContent(Document document, boolean pdfa, String content) throws DocumentException {
+      Paragraph p = new Paragraph(content, pdfa ? DEFAULT_TTF_FONT : DEFAULT_FONT);
+      document.add(p);
+   }
+   public static void createPDF(String content, OutputStream outputStream) throws DocumentException, IOException {
+      createPDF(content, false, outputStream);
+   }
+
+   public static void createPDF(String content, boolean pdfa, OutputStream outputStream) throws DocumentException, IOException {
+      final float factor = (float) 72 / (float) 25.4;
+      Document document = new Document(
+            DEFAULT_PAGE_SIZE,
+            (float) DEFAULT_MARGINS_MM[3] * factor,     // left
+            (float) DEFAULT_MARGINS_MM[1] * factor,     // right
+            (float) DEFAULT_MARGINS_MM[0] * factor,     // top
+            (float) DEFAULT_MARGINS_MM[2] * factor      // bottom
+      );
+      
+      PdfWriter pdfWriter = PdfWriter.getInstance(document, outputStream);
+      if (pdfa) {
+         pdfWriter.setPDFXConformance(PdfWriter.PDFA1B);
+      }
+      document.open();
+      if (pdfa) {
+         PdfDictionary pdfOutputIntent = new PdfDictionary(PdfName.OUTPUTINTENT);
+         pdfOutputIntent.put(PdfName.OUTPUTCONDITIONIDENTIFIER, new PdfString("sRGB IEC61966-2.1"));
+         pdfOutputIntent.put(PdfName.INFO, new PdfString("sRGB IEC61966-2.1"));
+         pdfOutputIntent.put(PdfName.S, PdfName.GTS_PDFA1);
+         if (DEFAULT_ICC_COLOR_SPACE != null) {
+            pdfOutputIntent.put(PdfName.DESTOUTPUTPROFILE, pdfWriter.addToBody(DEFAULT_ICC_COLOR_SPACE).getIndirectReference());
+         }
+         pdfWriter.getExtraCatalog().put(PdfName.OUTPUTINTENTS, new PdfArray(pdfOutputIntent));
+      }
+      addContent(document, pdfa, content);
+      if (pdfa) {
+         pdfWriter.createXmpMetadata();
+      }
+      document.close();
+   }
+
+}
-- 
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