Example usage for com.lowagie.text Image getPlainHeight

Introduction

In this page you can find the example usage for com.lowagie.text Image getPlainHeight.

Prototype

public float getPlainHeight() 

Source Link

Document

Gets the plain height of the image.

Usage

From source file:org.mapfish.print.PDFUtils.java

License:Open Source License

/**
 * Gets an iText image with a cache that uses PdfTemplates to re-use the same
 * bitmap content multiple times in order to reduce the file size.
 *///ww  w . j a va 2  s .  c om
public static Image getImage(RenderingContext context, URI uri, float w, float h)
        throws IOException, DocumentException {
    //Check the image is not already used in the PDF file.
    //
    //This part is not protected against multi-threads... worst case, a single image can
    //be twice in the PDF, if used more than one time. But since only one !map
    //block is dealed with at a time, this should not happen
    Map<URI, PdfTemplate> cache = context.getTemplateCache();
    PdfTemplate template = cache.get(uri);
    if (template == null) {
        Image content = getImageDirect(context, uri);
        content.setAbsolutePosition(0, 0);
        final PdfContentByte dc = context.getDirectContent();
        synchronized (context.getPdfLock()) { //protect against parallel writing on the PDF file
            template = dc.createTemplate(content.getPlainWidth(), content.getPlainHeight());
            template.addImage(content);
        }
        cache.put(uri, template);
    }

    //fix the size/aspect ratio of the image in function of what is specified by the user
    if (w == 0.0f) {
        if (h == 0.0f) {
            w = template.getWidth();
            h = template.getHeight();
        } else {
            w = h / template.getHeight() * template.getWidth();
        }
    } else {
        if (h == 0.0f) {
            h = w / template.getWidth() * template.getHeight();
        }
    }

    final Image result = Image.getInstance(template);
    result.scaleToFit(w, h);
    return result;
}

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From source file:org.opencms.pdftools.CmsPdfUserAgent.java

License:Open Source License

/**
 * Scales the image to output resolution.<p>
 *
 * @param image the image to scale/*from  ww  w  .ja  v a2  s. com*/
 */
private void scaleToOutputResolution(Image image) {

    float factor = m_sharedContext.getDotsPerPixel();
    if (factor != 1.0f) {
        image.scaleAbsolute(image.getPlainWidth() * factor, image.getPlainHeight() * factor);
    }
}

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From source file:org.xhtmlrenderer.pdf.ITextUserAgent.java

License:Open Source License

private void scaleToOutputResolution(Image image) {
    float factor = _sharedContext.getDotsPerPixel();
    if (factor != 1.0f) {
        image.scaleAbsolute(image.getPlainWidth() * factor, image.getPlainHeight() * factor);
    }//from  www.  j  ava 2s .c  o m
}

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From source file:questions.ocg.AddOptionalWatermark.java

public static void main(String[] args) throws DocumentException, IOException {
    PdfReader reader = new PdfReader(RESOURCE);
    PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT));
    Image image1 = Image.getInstance(IMAGE_PRINTED);
    Image image2 = Image.getInstance(IMAGE_NOT_PRINTED);
    PdfLayer watermark_printed = new PdfLayer("printed", stamper.getWriter());
    watermark_printed.setOn(false);/*from w  w w  .j  a  va  2  s  . c  o  m*/
    watermark_printed.setOnPanel(false);
    watermark_printed.setPrint("print", true);
    PdfLayer watermark_not_printed = new PdfLayer("not_printed", stamper.getWriter());
    watermark_not_printed.setOn(true);
    watermark_not_printed.setOnPanel(false);
    watermark_not_printed.setPrint("print", false);
    for (int i = 0; i < stamper.getReader().getNumberOfPages();) {
        PdfContentByte cb = stamper.getUnderContent(++i);
        Rectangle rectangle = stamper.getReader().getPageSizeWithRotation(i);
        cb.beginLayer(watermark_printed);
        float AbsoluteX = rectangle.getLeft() + (rectangle.getWidth() - image1.getPlainWidth()) / 2;
        float AbsoluteY = rectangle.getBottom() + (rectangle.getHeight() - image1.getPlainHeight()) / 2;
        image1.setAbsolutePosition(AbsoluteX, AbsoluteY);
        cb.addImage(image1);
        cb.endLayer();
        cb.beginLayer(watermark_not_printed);
        AbsoluteX = rectangle.getLeft() + (rectangle.getWidth() - image2.getPlainWidth()) / 2;
        AbsoluteY = rectangle.getBottom() + (rectangle.getHeight() - image2.getPlainHeight()) / 2;
        image2.setAbsolutePosition(AbsoluteX, AbsoluteY);
        cb.addImage(image2);
        cb.endLayer();
    }
    stamper.close();
}

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