X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.document.linking.ui%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Flinking%2Freport%2Fpdf%2FPDFPage.java;fp=bundles%2Forg.simantics.document.linking.ui%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Flinking%2Freport%2Fpdf%2FPDFPage.java;h=334b1cb59e5d95983926f00ee5af830d21bdf2e4;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/pdf/PDFPage.java b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/pdf/PDFPage.java
new file mode 100644
index 000000000..334b1cb59
--- /dev/null
+++ b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/pdf/PDFPage.java
@@ -0,0 +1,104 @@
+package org.simantics.document.linking.report.pdf;
+
+import java.awt.Font;
+import java.awt.FontMetrics;
+import java.awt.Graphics2D;
+import java.awt.font.FontRenderContext;
+import java.io.File;
+import java.io.FileOutputStream;
+
+import com.lowagie.text.Document;
+import com.lowagie.text.Rectangle;
+import com.lowagie.text.pdf.PdfContentByte;
+import com.lowagie.text.pdf.PdfTemplate;
+import com.lowagie.text.pdf.PdfWriter;
+
+public class PDFPage {
+	public PDFPageStream stream;
+	public Graphics2D g2d;
+	public Document document;
+	public PdfWriter writer;
+	public File tempFile;
+	public PdfContentByte cb;
+	public PdfTemplate template = null;
+	public Font font;
+	
+	FontRenderContext frc;
+	FontMetrics fm;
+	
+	int currentPixel = 0;
+	int currentLine = 0;
+	int availableLines = 0;
+	
+	
+	public PDFPage(PDFPageStream stream) throws Exception{
+		this.stream = stream;
+		Rectangle pageSize = stream.getPageSize();
+		document = new Document(pageSize);
+		tempFile = File.createTempFile("ReportGenerator", ".pdf");
+		writer = PdfWriter.getInstance(document, new FileOutputStream(tempFile));
+		document.open();
+		this.cb = writer.getDirectContent();
+
+        
+        writer.flush();
+		template = cb.createTemplate(pageSize.getWidth(), pageSize.getHeight());
+		g2d = template.createGraphics(pageSize.getWidth(), pageSize.getHeight());
+		g2d.translate(stream.marginLeft, stream.marginTop);
+        g2d.setClip(0, 0, stream.contentWidth, stream.contentHeight);
+        currentPixel = 0;
+        currentLine = 1;
+       
+        setFont(stream.getDefaultFont());
+	}
+	
+	protected int getLineHeight() {
+		return fm.getHeight();
+	}
+	
+	public boolean isOpen() {
+		return template != null;
+	}
+	
+	public void setFont(Font font) {
+		this.font = font;
+		g2d.setFont(font);
+        fm = g2d.getFontMetrics();
+        frc = new FontRenderContext(g2d.getTransform(), true, true);
+        estimateAvailableLines();
+	}
+	
+	protected void estimateAvailableLines() {
+		 availableLines = (int)Math.floor((stream.contentHeight-currentPixel)/getLineHeight());
+	}
+	
+	public Font getFont() {
+		return font;
+	}
+	
+	public void writeLine(String line) throws Exception{
+		writeLine(line, 0);
+	}
+	
+	public void writeLine(String line, int x) throws Exception{
+		g2d.drawString(line, x, currentPixel+getLineHeight());
+		currentLine++;
+		availableLines--;
+		currentPixel += getLineHeight();
+		stream.checkNextPage();
+	}
+	
+	public void close() {
+		g2d.dispose();
+		cb.addTemplate(template, 0, 0);
+        template = null;
+        
+		document.close();
+		if (writer != null)
+			writer.close();
+		document = null;
+		writer = null;
+		cb = null;
+		g2d = null;
+	}
+}