Java PDPageContentStream.showText方法代码示例

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
@Test
public void createRingManagerDocument() throws Exception {
    final PDDocument document = new PDDocument();
    final PDPage page = new PDPage(PDRectangle.A4);
    document.addPage(page);

    final float startY = page.getMediaBox().getHeight() - 150;
    final int startX = 56;

    final PDPageContentStream contentStream = new PDPageContentStream(document, page);
    Table table = getRingManagerTable();

    (new TableDrawer(contentStream, table, startX, startY)).draw();

    contentStream.setFont(PDType1Font.HELVETICA, 8.0f);
    contentStream.beginText();

    contentStream.newLineAtOffset(startX, startY - (table.getHeight() + 22));
    contentStream.showText("Dieser Kampf muss der WB nicht entsprechen, da als Sparringskampf angesetzt.");
    contentStream.endText();

    contentStream.close();

    document.save("target/ringmanager.pdf");
    document.close();
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
/**
 * @param textHeader
 * @param font
 * @param PAGE_SIZE_A4
 * @param contentStream
 * @return ajoute un header a la piece
 * @throws IOException
 */
private Float addHeaderPJ(final String textHeader, final PDFont font, final PDRectangle PAGE_SIZE_A4,
		final PDPageContentStream contentStream) throws IOException {
	Float marginTop = 0f;
	// si font Ok, on ajoute le text
	if (font != null && ConstanteUtils.DOSSIER_ADD_HEADER_IMG) {

		// calcul de la largeur et hauteur du txt
		Float titleWidth = font.getStringWidth(textHeader) / 1000 * ConstanteUtils.DOSSIER_FONT_SIZE;
		Float titleHeight = font.getFontDescriptor().getFontBoundingBox().getHeight() / 1000
				* ConstanteUtils.DOSSIER_FONT_SIZE;

		// calcul de la marge du haut : hauteur du text + marge
		marginTop = titleHeight + ConstanteUtils.DOSSIER_MARGIN;

		// calcul de la position du text
		Float xText = (PAGE_SIZE_A4.getWidth() - 2 * ConstanteUtils.DOSSIER_MARGIN - titleWidth) / 2;
		Float yText = PAGE_SIZE_A4.getHeight() - marginTop;

		// ecriture du text
		contentStream.beginText();
		contentStream.setFont(PDType1Font.HELVETICA_BOLD, ConstanteUtils.DOSSIER_FONT_SIZE);
		contentStream.newLineAtOffset(xText, yText);
		contentStream.showText(textHeader);
		contentStream.endText();
	}
	return marginTop;
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
private void showTextOnStream(IFontTextDrawerEnv env, PDPageContentStream contentStream, Font attributeFont,
		PDFont font, boolean isStrikeThrough, boolean isUnderline, boolean isLigatures, String text)
		throws IOException {
	if (isStrikeThrough || isUnderline) {
		// noinspection unused
		float stringWidth = font.getStringWidth(text);
		// noinspection unused
		LineMetrics lineMetrics = attributeFont.getLineMetrics(text, env.getFontRenderContext());
		/*
		 * TODO: We can not draw that yet, we must do that later. While in textmode its
		 * not possible to draw lines...
		 */
	}
	// noinspection StatementWithEmptyBody
	if (isLigatures) {
		/*
		 * No idea how to map this ...
		 */
	}
	contentStream.showText(text);
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
private void generateBillHeader(PDPage firstPage, PDPageContentStream contentStream)
        throws IOException {
    // Add header text
    PDFont currentFont;
    int currentFontSize;
    String headerLine1 = "Git Rekt Resort";
    String headerLine2 = "Customer Bill";
    contentStream.setLeading(10);
    currentFont = BOLD;
    currentFontSize = 14;
    contentStream.setFont(currentFont, currentFontSize);
    contentStream.beginText();
    float offsetX = getCenteredTextXPos(firstPage, headerLine1, currentFont, currentFontSize);
    contentStream.newLineAtOffset(offsetX, 750f);
    contentStream.showText(headerLine1);
    currentFont = PDType1Font.COURIER_BOLD;
    currentFontSize = 12;
    contentStream.setFont(currentFont, currentFontSize);
    float offsetX2 = getCenteredTextXPos(firstPage, headerLine2, currentFont, currentFontSize);
    contentStream.newLineAtOffset(-offsetX + offsetX2, -5f);
    contentStream.newLine();
    contentStream.showText(headerLine2);
    contentStream.endText();
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
@Test
public void test001() throws IOException {
    //E:\Repository\Git\melon\melon-sample-pdf\src\main\resources\HTTP权威指南.pdf
    System.out.println("Hello World!");

    PDDocument pdDocument = new PDDocument();
    PDPage pdPage = new PDPage();
    pdDocument.addPage(pdPage);

    PDFont pdFont = PDType1Font.HELVETICA_BOLD;

    PDPageContentStream contentStream = new PDPageContentStream(pdDocument, pdPage);
    contentStream.beginText();
    contentStream.setFont(pdFont, 14);
    contentStream.newLineAtOffset(100, 700);
    contentStream.showText("Hello World");
    contentStream.endText();
    contentStream.close();

    String directory = PdfDemo.class.getClassLoader().getResource("").getPath();
    String fileName = "text.pdf";

    pdDocument.save(directory + fileName);
    pdDocument.close();
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
@Override
public void addWrappedParagraph(String text, PDFont font, float fontSize, Color textColor, TextAlignment align, float xCoordinate, float topYCoordinate, float width, PDPage page, PDPageContentStream contentStream) throws IOException {
    Paragraph paragraph = new Paragraph(text, width, font, fontSize);

    final float lineSpacing = 1.2f * fontSize;
    PDRectangle region = page.getMediaBox();

    contentStream.beginText();
    contentStream.setFont(font, fontSize);
    contentStream.setNonStrokingColor(textColor);
    for (String line : paragraph.getLines()) {
        if (align == TextAlignment.CENTER) {
            float stringWidth = PdfBoxHandler.targetedStringWidth(line, font, fontSize);
            float centerXPos = (region.getWidth() - stringWidth) / 2f;
            contentStream.setTextTranslation(centerXPos, region.getHeight() - topYCoordinate);
        } else {
            contentStream.setTextTranslation(xCoordinate, region.getHeight() - topYCoordinate);
        }
        contentStream.showText(line);
        topYCoordinate += lineSpacing;
    }
    contentStream.endText();
    resetChangedColorToDefault(contentStream);
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
public void drawText(PDPage page, PDPageContentStream contentStream, String _text) throws IOException {

		String text = _text;
		//		contentStream.beginText();
		//		contentStream.setFont(getDefaultFont(), 12);
		//		contentStream.newLine();
		//		contentStream.newLineAtOffset(100, 700);
		//		contentStream.showText(this.text);
		//		contentStream.endText();

		float fontSize = 25;
		float leading = 1.5f * fontSize;

		PDRectangle mediabox = page.getMediaBox();
		float margin = 72;
		float width = mediabox.getWidth() - 2 * margin;
		float startX = mediabox.getLowerLeftX() + margin;
		float startY = mediabox.getUpperRightY() - margin;

		int lastSpace = -1;
		while (text.length() > 0) {

			int spaceIndex = text.indexOf(' ', lastSpace + 1);//text.indexOf("\n", lastSpace + 1);
			if (spaceIndex < 0) {
				spaceIndex = text.length();
			}

			String subString = text.substring(0, spaceIndex);
			float size = fontSize * getDefaultFont().getStringWidth(subString) / 1000;
			LOGGER.debug("'{}' - {} of {}\n", subString, size, width);
			if (size > width) {

				if (lastSpace < 0)
					lastSpace = spaceIndex;

				subString = text.substring(0, lastSpace);
				lines.add(subString);
				text = text.substring(lastSpace).trim();
				LOGGER.debug("'{}' is line\n", subString);
				lastSpace = -1;
			} else if (spaceIndex == text.length()) {
				lines.add(text);
				LOGGER.debug("'{}' is line\n", text);
				text = "";
			} else {
				lastSpace = spaceIndex;
			}
		}

		contentStream.beginText();
		contentStream.setFont(getDefaultFont(), fontSize);
		contentStream.newLineAtOffset(startX, startY);
		for (String line : lines) {
			contentStream.showText(line);
			contentStream.newLineAtOffset(0, -leading);
		}
		contentStream.endText();

	}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
@Override
public void addTextAtOffset(String text, PDFont font, float fontSize, Color textColor, float xCoordinate, float yCoordinate, PDPageContentStream contentStream) throws IOException {
    if (text.isEmpty()) {
        log.warn("The inputs are empty string start from the position: ".concat(xCoordinate + ", " + yCoordinate));
    }
    if (textColor == null) {
        textColor = Color.BLACK;
    }
    contentStream.setNonStrokingColor(textColor);
    contentStream.setFont(font, fontSize);
    contentStream.beginText();
    contentStream.newLineAtOffset(xCoordinate, yCoordinate);
    contentStream.showText(text);
    contentStream.endText();

    // Reset changed color
    resetChangedColorToDefault(contentStream);
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
@Override
public void addWrappedParagraphByLineBreaks(String content, PDFont font, float fontSize, Color textColor, float yCoordinate, float leftRightMargin, PDPage page, PDPageContentStream contentStream) throws IOException {
    final float lineSpacing = 1.4f * fontSize;
    float width = page.getMediaBox().getWidth() - 2 * leftRightMargin;
    float startX = page.getMediaBox().getLowerLeftX() + leftRightMargin;

    List<String> lines = calculateLinesToWrap(content, font, fontSize, width);

    contentStream.beginText();
    contentStream.setFont(font, fontSize);
    contentStream.setNonStrokingColor(textColor);
    contentStream.newLineAtOffset(startX, yCoordinate);
    for (String line : lines) {
        contentStream.showText(line.replaceAll(PdfBoxHandler.TAB_REGEX, PdfBoxHandler.SPACE_STRING));
        contentStream.newLineAtOffset(0, -lineSpacing);
    }
    contentStream.endText();

    // Reset changed color
    resetChangedColorToDefault(contentStream);
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
private void fillTextToTable(PDPageContentStream contentStream, TableAttribute tableAttribute, String[][] tableContent) throws IOException {
    //Set text font and font size
    contentStream.setFont(tableAttribute.getContentFont(), tableAttribute.getContentFontSize());

    final float cellMargin = tableAttribute.getCellMargin();
    // Define to start drawing content at horizontal position
    float nextTextX = tableAttribute.getXCoordinate() + cellMargin;
    // Define to start drawing content at vertical position
    float nextTextY = calculateDrawPositionInVertical(tableAttribute);

    for (String[] aContent : tableContent) {
        int index = 0;
        for (String text : aContent) {
            contentStream.beginText();
            contentStream.newLineAtOffset(nextTextX, nextTextY);
            contentStream.showText(text != null ? text : "");
            contentStream.endText();
            nextTextX += tableAttribute.getColumns().get(index).getCellWidth();
            index++;
        }
        // Update new position cursor after writing the content for one row
        nextTextY -= tableAttribute.getRowHeight();
        nextTextX = tableAttribute.getXCoordinate() + cellMargin;
    }
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
/**
 * @see #testJoinSmallAndBig()
 */
PDDocument prepareSmallPdf() throws IOException {
    PDDocument document = new PDDocument();
    PDPage page = new PDPage(new PDRectangle(72, 72));
    document.addPage(page);
    PDPageContentStream contentStream = new PDPageContentStream(document, page);
    contentStream.setNonStrokingColor(Color.YELLOW);
    contentStream.addRect(0, 0, 72, 72);
    contentStream.fill();
    contentStream.setNonStrokingColor(Color.BLACK);
    PDFont font = PDFontFactory.createDefaultFont();
    contentStream.beginText();
    contentStream.setFont(font, 18);
    contentStream.newLineAtOffset(2, 54);
    contentStream.showText("small");
    contentStream.newLineAtOffset(0, -48);
    contentStream.showText("page");
    contentStream.endText();
    contentStream.close();
    return document;
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
/**
 * @see #testJoinSmallAndBig()
 */
PDDocument prepareBiggerPdf() throws IOException {
    PDDocument document = new PDDocument();
    PDPage page = new PDPage(PDRectangle.A5);
    document.addPage(page);
    PDPageContentStream contentStream = new PDPageContentStream(document, page);
    contentStream.setNonStrokingColor(Color.GREEN);
    contentStream.addRect(0, 0, PDRectangle.A5.getWidth(), PDRectangle.A5.getHeight());
    contentStream.fill();
    contentStream.setNonStrokingColor(Color.BLACK);
    PDFont font = PDFontFactory.createDefaultFont();
    contentStream.beginText();
    contentStream.setFont(font, 18);
    contentStream.newLineAtOffset(2, PDRectangle.A5.getHeight() - 24);
    contentStream.showText("This is the Bigger page");
    contentStream.newLineAtOffset(0, -48);
    contentStream.showText("BIGGER!");
    contentStream.endText();
    contentStream.close();
    return document;
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
@SuppressWarnings("SpellCheckingInspection")
void exportGraphic(String dir, String name, GraphicsExporter exporter) {
	try {
		PDDocument document = new PDDocument();

		PDFont pdArial = PDFontFactory.createDefaultFont();

		File parentDir = new File("target/test/" + dir);
		// noinspection ResultOfMethodCallIgnored
		parentDir.mkdirs();

		BufferedImage image = new BufferedImage(400, 400, BufferedImage.TYPE_4BYTE_ABGR);
		Graphics2D imageGraphics = image.createGraphics();
		exporter.draw(imageGraphics);
		imageGraphics.dispose();
		ImageIO.write(image, "PNG", new File(parentDir, name + ".png"));

		for (Mode m : Mode.values()) {
			PDPage page = new PDPage(PDRectangle.A4);
			document.addPage(page);

			PDPageContentStream contentStream = new PDPageContentStream(document, page);
			PdfBoxGraphics2D pdfBoxGraphics2D = new PdfBoxGraphics2D(document, 400, 400);
			PdfBoxGraphics2DFontTextDrawer fontTextDrawer = null;
			contentStream.beginText();
			contentStream.setStrokingColor(0, 0, 0);
			contentStream.setNonStrokingColor(0, 0, 0);
			contentStream.setFont(PDType1Font.HELVETICA_BOLD, 15);
			contentStream.setTextMatrix(Matrix.getTranslateInstance(10, 800));
			contentStream.showText("Mode " + m);
			contentStream.endText();
			switch (m) {
			case FontTextIfPossible:
				fontTextDrawer = new PdfBoxGraphics2DFontTextDrawer();
				fontTextDrawer.registerFont(
						new File("src/test/resources/de/rototor/pdfbox/graphics2d/DejaVuSerifCondensed.ttf"));
				break;
			case DefaultFontText: {
				fontTextDrawer = new PdfBoxGraphics2DFontTextDrawerDefaultFonts();
				fontTextDrawer.registerFont(
						new File("src/test/resources/de/rototor/pdfbox/graphics2d/DejaVuSerifCondensed.ttf"));
				break;
			}
			case ForceFontText:
				fontTextDrawer = new PdfBoxGraphics2DFontTextForcedDrawer();
				fontTextDrawer.registerFont(
						PdfBoxGraphics2DTestBase.class.getResourceAsStream("DejaVuSerifCondensed.ttf"));
				fontTextDrawer.registerFont("Arial", pdArial);
				break;
			case DefaultVectorized:
			default:
				break;
			}

			if (fontTextDrawer != null) {
				pdfBoxGraphics2D.setFontTextDrawer(fontTextDrawer);
			}

			exporter.draw(pdfBoxGraphics2D);
			pdfBoxGraphics2D.dispose();

			PDFormXObject appearanceStream = pdfBoxGraphics2D.getXFormObject();
			Matrix matrix = new Matrix();
			matrix.translate(0, 20);
			contentStream.transform(matrix);
			contentStream.drawForm(appearanceStream);

			matrix.scale(1.5f, 1.5f);
			matrix.translate(0, 100);
			contentStream.transform(matrix);
			contentStream.drawForm(appearanceStream);
			contentStream.close();
		}

		document.save(new File(parentDir, name + ".pdf"));
		document.close();
	} catch (Exception e) {
		throw new RuntimeException(e);
	}
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
public PDDocument getBillAsPdf() throws IOException {
    // Add blank page to document
    PDPage firstPage = new PDPage();
    document.addPage(firstPage);
    PDPageContentStream contentStream = new PDPageContentStream(document, firstPage);
    generateBillHeader(firstPage, contentStream);
    generateBillInfoText(firstPage, contentStream);
    contentStream.beginText();
    contentStream.newLineAtOffset(60f, 640f);

    // Add the column line item header line
    contentStream.setFont(PDType1Font.COURIER_BOLD, NORMAL_FONT_SIZE);
    contentStream.newLine();
    contentStream.showText(lineItemHeader);

    // Add bill line items
    contentStream.setFont(NORMAL_FONT, NORMAL_FONT_SIZE);
    for(String lineItem : lineItems) {
        contentStream.newLine();
        contentStream.showText(lineItem);
    }

    // Display the bill total at the end
    contentStream.newLine();
    String billTotalLine = getBillTotalLine();
    contentStream.setFont(PDType1Font.COURIER_BOLD, NORMAL_FONT_SIZE);
    contentStream.newLine();
    contentStream.showText(billTotalLine);

    // Display important bill information
    contentStream.newLine();
    contentStream.newLine();
    contentStream.showText("WARNING: Failure to pay bill may result in broken legs.");

    contentStream.endText();
    contentStream.close();

    return document;
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
/**
     * Draws the given string, optionally supports scaling to fit.
     * @param x Left side of text, or center point of text if centered (1/72 inch)
     * @param y Bottom of text, in points (1/72 inch)
     * @param text Text to draw
     * @param optOrig Resize Options
     * @throws IOException Error generating PDF
     */
    void drawStringRotatedWithResizing(PDPageContentStream stream, float x, float y, int width, int height, String text, ResizeOptions optOrig) throws IOException {
        stream.setNonStrokingColor(Color.gray);
        PDRectangle boundingBox = new PDRectangle(x, y, width, height);
        stream.fillRect(x, y, width, height);

        ResizeOptions opt = new ResizeOptions(optOrig);
        float textSize = opt.font.getStringWidth(text); // in thousandths of font pt size.
        float size = opt.size;

        float centeredXPosition = x + (boundingBox.getWidth()/2f);
        float stringWidth = opt.font.getStringWidth( text );
        float centeredYPosition = y + (boundingBox.getHeight() /2f);

        stream.setNonStrokingColor(Color.GREEN);
        stream.fillRect(centeredXPosition, centeredYPosition, 3, 3);

        Matrix offset = Matrix.getRotateInstance(90 * Math.PI * 0.25,
                centeredXPosition, centeredYPosition-(stringWidth/1000/2));
        stream.beginText();
        stream.setTextMatrix(offset);

        stream.setStrokingColor(Color.black);
        stream.setNonStrokingColor(Color.black);
        stream.setFont(opt.font, size);
        stream.showText(text);
        stream.endText();

//
//        // If text size is greater than maximum width, recalculate the correct font size, based on our restrictions
//        if (textSize * (size/1000.0f) > opt.maxTextWidth) {
//            size = opt.maxTextWidth * 1000.0f / textSize;
//            if (size < opt.minFontSize) {
//                // We have utterly failed to fit the text with the minimum font size,
//                // So we're forced to use that.
//                size = opt.minFontSize;
//            }
//        }
//
//        if (opt.centered) {
//            y -= textSize * (size/(2*1000.0f));
//        }
////
////        Matrix offset = Matrix.getRotateInstance(i * Math.PI * 0.25,
////                centered XPosition, pageSize.getHeight() - centeredYPosition)
//        Matrix offset = new Matrix();
//        offset.rotate(Math.toRadians(5));
//        offset.translate(100, 100);
//        // Actually draw the text
    }