Example usage for com.lowagie.text.pdf PdfContentByte getEffectiveStringWidth

Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfContentByte getEffectiveStringWidth.

Prototype

public float getEffectiveStringWidth(String text, boolean kerned) 

Source Link

Document

Computes the width of the given string taking in account the current values of "Character spacing", "Word Spacing" and "Horizontal Scaling".

Usage

From source file:com.actelion.research.spiritapp.print.CagePrinterPDF.java

License:Open Source License

private static void print(PdfContentByte canvas, String txt, float x, float y, float maxX, int maxHeight,
        int lineHeight, String fontName, Color color, float fontSize) throws Exception {
    float width = maxX - x - 5;
    float minY = Math.min(y, y - maxHeight + lineHeight - 3);
    if (txt == null)
        return;// w  w  w.  j a v  a2 s .  c  o m

    canvas.setFontAndSize(BaseFont.createFont(fontName, "Cp1252", false), fontSize);
    while (txt.length() > 0 && y >= minY) {
        int index = 0;
        while (true) {
            int index2 = index + 1;
            if (index2 >= txt.length()) {
                index = index2;
                break;
            }
            float w = canvas.getEffectiveStringWidth(txt.substring(0, index2), true);
            System.out.println("CagePrinterPDF.print()   " + txt.substring(0, index2) + " " + w + "," + width);
            if (w > width)
                break;
            index = index2;
        }
        if (index < 0)
            index = txt.length();
        String t = txt.substring(0, index);
        System.out.println(
                "CagePrinterPDF.print() " + t + " at " + x + "x" + y + " (of " + txt + ") minY=" + minY);
        txt = txt.substring(index).trim();
        Phrase phrase = new Paragraph(t, FontFactory.getFont(fontName, fontSize, color));
        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, phrase, x, y, 0);
        y -= lineHeight;
    }
}

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From source file:org.kuali.coeus.common.impl.print.watermark.WatermarkServiceImpl.java

License:Open Source License

/**
 * This method is for setting the properties of watermark Text.
 *///w  ww . j a v a 2 s  .  co  m
private void decoratePdfWatermarkText(PdfContentByte pdfContentByte, Rectangle rectangle,
        WatermarkBean watermarkBean) {
    float x, y, x1, y1, angle;
    final float OPACITY = 0.3f;
    PdfGState pdfGState = new PdfGState();
    pdfGState.setFillOpacity(OPACITY);
    int pageWidth = (int) rectangle.getWidth();
    int pageHeight = (int) rectangle.getHeight();
    try {
        if (watermarkBean.getType().equalsIgnoreCase(WatermarkConstants.WATERMARK_TYPE_TEXT)) {
            pdfContentByte.beginText();
            pdfContentByte.setGState(pdfGState);
            Color fillColor = watermarkBean.getFont().getColor() == null
                    ? WatermarkConstants.DEFAULT_WATERMARK_COLOR
                    : watermarkBean.getFont().getColor();
            pdfContentByte.setColorFill(fillColor);

            if (watermarkBean.getPosition().equals(WatermarkConstants.WATERMARK_POSITION_FOOTER)) {

                pdfContentByte.setFontAndSize(watermarkBean.getFont().getBaseFont(),
                        watermarkBean.getPositionFont().getSize());
                if (watermarkBean.getAlignment().equals(WatermarkConstants.ALIGN_CENTER)) {
                    pdfContentByte.showTextAligned(Element.ALIGN_CENTER, watermarkBean.getText(),
                            (rectangle.getLeft(rectangle.getBorderWidthLeft())
                                    + rectangle.getRight(rectangle.getBorderWidthRight())) / 2,
                            rectangle.getBottom(rectangle.getBorderWidthBottom()
                                    + watermarkBean.getPositionFont().getSize()),
                            0);
                } else if (watermarkBean.getAlignment().equals(WatermarkConstants.ALIGN_RIGHT)) {
                    pdfContentByte.showTextAligned(Element.ALIGN_RIGHT, watermarkBean.getText(),
                            rectangle.getRight(rectangle.getBorderWidthRight()),
                            rectangle.getBottom(rectangle.getBorderWidthBottom()
                                    + watermarkBean.getPositionFont().getSize()),
                            0);
                } else if (watermarkBean.getAlignment().equals(WatermarkConstants.ALIGN_LEFT)) {
                    pdfContentByte.showTextAligned(Element.ALIGN_LEFT, watermarkBean.getText(),
                            rectangle.getLeft(rectangle.getBorderWidthLeft()),
                            rectangle.getBottom(rectangle.getBorderWidthBottom()
                                    + watermarkBean.getPositionFont().getSize()),
                            0);
                }
            } else if (watermarkBean.getPosition().equals(WatermarkConstants.WATERMARK_POSITION_HEADER)) {
                pdfContentByte.setFontAndSize(watermarkBean.getFont().getBaseFont(),
                        watermarkBean.getPositionFont().getSize());
                if (watermarkBean.getAlignment().equals(WatermarkConstants.ALIGN_CENTER)) {
                    pdfContentByte.showTextAligned(Element.ALIGN_CENTER, watermarkBean.getText(),
                            (rectangle.getLeft(rectangle.getBorderWidthLeft())
                                    + rectangle.getRight(rectangle.getBorderWidthRight())) / 2,
                            rectangle.getTop(
                                    rectangle.getBorderWidthTop() + watermarkBean.getPositionFont().getSize()),
                            0);
                } else if (watermarkBean.getAlignment().equals(WatermarkConstants.ALIGN_RIGHT)) {
                    pdfContentByte.showTextAligned(Element.ALIGN_RIGHT, watermarkBean.getText(),
                            rectangle.getRight(rectangle.getBorderWidthRight()),
                            rectangle.getTop(
                                    rectangle.getBorderWidthTop() + watermarkBean.getPositionFont().getSize()),
                            0);
                } else if (watermarkBean.getAlignment().equals(WatermarkConstants.ALIGN_LEFT)) {
                    pdfContentByte.showTextAligned(Element.ALIGN_LEFT, watermarkBean.getText(),
                            rectangle.getLeft(rectangle.getBorderWidthLeft()),
                            rectangle.getTop(
                                    rectangle.getBorderWidthTop() + watermarkBean.getPositionFont().getSize()),
                            0);
                }
            } else {
                pdfContentByte.setFontAndSize(watermarkBean.getFont().getBaseFont(),
                        watermarkBean.getFont().getSize());
                int textWidth = (int) pdfContentByte.getEffectiveStringWidth(watermarkBean.getText(), false);
                int diagonal = (int) Math.sqrt((pageWidth * pageWidth) + (pageHeight * pageHeight));
                int pivotPoint = (diagonal - textWidth) / 2;

                angle = (float) Math.atan((float) pageHeight / pageWidth);

                x = (float) (pivotPoint * pageWidth) / diagonal;
                y = (float) (pivotPoint * pageHeight) / diagonal;

                x1 = (float) (((float) watermarkBean.getFont().getSize() / 2) * Math.sin(angle));
                y1 = (float) (((float) watermarkBean.getFont().getSize() / 2) * Math.cos(angle));

                pdfContentByte.showTextAligned(Element.ALIGN_LEFT, watermarkBean.getText(), x + x1, y - y1,
                        (float) Math.toDegrees(angle));
            }
            pdfContentByte.endText();
        }
    } catch (Exception exception) {
        LOG.error("Exception occured in WatermarkServiceImpl. Water mark Exception: " + exception.getMessage());
    }

}

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From source file:org.kuali.kra.printing.service.impl.WatermarkServiceImpl.java

License:Educational Community License

/**
 * This method is for setting the properties of watermark Text.
 * //ww  w  .  jav  a  2  s .  c o m
 * @param pdfContentByte
 * @param pageWidth
 * @param pageHeight
 * @param watermarkBean
 */
private void decoratePdfWatermarkText(PdfContentByte pdfContentByte, int pageWidth, int pageHeight,
        WatermarkBean watermarkBean) {
    float x, y, x1, y1, angle;
    try {
        if (watermarkBean.getType().equalsIgnoreCase(WatermarkConstants.WATERMARK_TYPE_TEXT)) {
            pdfContentByte.beginText();
            pdfContentByte.setFontAndSize(watermarkBean.getFont().getBaseFont(),
                    watermarkBean.getFont().getSize());
            Color fillColor = watermarkBean.getFont().getColor() == null
                    ? WatermarkConstants.DEFAULT_WATERMARK_COLOR
                    : watermarkBean.getFont().getColor();
            pdfContentByte.setColorFill(fillColor);
            int textWidth = (int) pdfContentByte.getEffectiveStringWidth(watermarkBean.getText(), false);
            int diagonal = (int) Math.sqrt((pageWidth * pageWidth) + (pageHeight * pageHeight));
            int pivotPoint = (diagonal - textWidth) / 2;

            angle = (float) Math.atan((float) pageHeight / pageWidth);

            x = (float) (pivotPoint * pageWidth) / diagonal;
            y = (float) (pivotPoint * pageHeight) / diagonal;

            x1 = (float) (((float) watermarkBean.getFont().getSize() / 2) * Math.sin(angle));
            y1 = (float) (((float) watermarkBean.getFont().getSize() / 2) * Math.cos(angle));

            pdfContentByte.showTextAligned(Element.ALIGN_LEFT, watermarkBean.getText(), x + x1, y - y1,
                    (float) Math.toDegrees(angle));
            pdfContentByte.endText();
        }

    } catch (Exception exception) {
        LOG.error("Exception occured in WatermarkServiceImpl. Water mark Exception: " + exception.getMessage());
    }

}

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