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%2FPDFPageStream.java;fp=bundles%2Forg.simantics.document.linking.ui%2Fsrc%2Forg%2Fsimantics%2Fdocument%2Flinking%2Freport%2Fpdf%2FPDFPageStream.java;h=ae9ac704b710bcd668675f292611d17c0cf1a2e9;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/PDFPageStream.java b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/pdf/PDFPageStream.java
new file mode 100644
index 000000000..ae9ac704b
--- /dev/null
+++ b/bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/pdf/PDFPageStream.java
@@ -0,0 +1,169 @@
+package org.simantics.document.linking.report.pdf;
+
+import java.awt.Font;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import com.lowagie.text.Document;
+import com.lowagie.text.PageSize;
+import com.lowagie.text.Rectangle;
+import com.lowagie.text.pdf.PdfCopy;
+import com.lowagie.text.pdf.PdfImportedPage;
+import com.lowagie.text.pdf.PdfReader;
+
+public class PDFPageStream {
+	boolean modifiable = false;
+	Rectangle pageSize = PageSize.A4;
+	Font defaultFont;
+	List<PDFPage> pages = new ArrayList<PDFPage>();
+	
+	int contentWidth;
+	int contentHeight;
+	
+	int marginLeft = 20;
+    int marginRight = 20;
+    int marginTop = 10;
+    int marginBottom = 45;
+
+	int currentPage = 0;
+	
+	public PDFPageStream() {
+		calculateContent();
+	}
+	
+	public PDFPageStream(Rectangle pageSize) {
+		this.pageSize = pageSize;
+		calculateContent();
+	}
+	
+	public PDFPageStream(boolean modifiable) {
+		this.modifiable = modifiable;
+		calculateContent();
+	}
+	
+	public PDFPageStream(Rectangle pageSize, boolean modifiable) {
+		this.pageSize = pageSize;
+		this.modifiable = modifiable;
+		calculateContent();
+	}
+	
+	private void calculateContent() {
+		contentWidth = (int)getPageSize().getWidth() - marginLeft - marginRight;
+        contentHeight = (int)getPageSize().getHeight() - marginTop - marginBottom;
+	}
+	
+
+	public Rectangle getPageSize() {
+		return pageSize;
+	}
+	
+	public Font getDefaultFont() {
+		return defaultFont;
+	}
+	
+	public void setDefaultFont(Font defaultFont) {
+		this.defaultFont = defaultFont;
+	}
+	
+	public List<PDFPage> getPages() {
+		return pages;
+	}
+	
+	public void nextPage() throws Exception{
+		endPage();
+		
+		PDFPage page = new PDFPage(this);
+		pages.add(page);
+		currentPage++;
+		
+	}
+
+	private void endPage() {
+		if (pages.size() > 0) {
+			PDFPage lastPage = pages.get(pages.size()-1);
+			if (!modifiable && lastPage.isOpen())
+				lastPage.close();
+		}
+	}
+	
+	
+	
+	public int getAvailableLines() {
+		return getCurrentPage().availableLines;
+	}
+	
+//	public int getTotalLines() {
+//		return totalLines;
+//	}
+	
+	public int getCurrentLine() {
+		return getCurrentPage().currentLine;
+	}
+	
+	public int getContentWidth() {
+		return contentWidth;
+	}
+	
+	public int getContentHeight() {
+		return contentHeight;
+	}
+	
+	protected void checkNextPage() throws Exception{
+		PDFPage page = getCurrentPage();
+		if (contentHeight - page.currentPixel - page.getLineHeight() <= 0)
+			nextPage();
+	}
+	
+	public int getCurrentPageIndex() {
+		return currentPage;
+	}
+	
+	public PDFPage getCurrentPage() {
+		return pages.get(currentPage-1);
+	}
+	
+	public void copy(PdfCopy pdfCopy) throws IOException{
+		for (PDFPage page : pages) {
+			if (page.isOpen())
+				page.close();
+			PdfReader reader = new PdfReader(page.tempFile.getAbsolutePath());
+			try {
+		        for (int i = 1; i <= reader.getNumberOfPages(); i++) {
+		        	PdfImportedPage ipage = pdfCopy.getImportedPage(reader, i);
+		            pdfCopy.addPage(ipage);
+		        }
+			} catch (Exception e) {
+				e.printStackTrace();
+	        } finally {
+	        	reader.close();
+	        }
+		}
+	}
+	
+	public void close(String filename) throws Exception{
+		if (pages.size() == 0) {
+			return;
+		}
+		try {
+			endPage();
+			Document document = new Document(pageSize);
+			PdfCopy pdfCopy = new PdfCopy(document, new FileOutputStream(filename));
+			document.open();
+			copy(pdfCopy);
+			document.close();
+			pdfCopy.close();
+		} finally {
+			close();
+		}
+	}
+	
+	public void close() throws Exception{
+		for (PDFPage page : pages) {
+				page.tempFile.delete();
+		}
+		pages.clear();
+		defaultFont = null;
+	}
+}