When I run the following code:
IIOMetadata tiffMetadata = reader.getImageMetadata(p);
BufferedImage image = reader.read(p);
IIOMetadataNode root = (IIOMetadataNode)
tiffMetadata.getAsTree("javax_imageio_1.0");
IIOMetadataNode dimension = (IIOMetadataNode)
root.getElementsByTagName("Dimension").item(0);
float horizontalPixelSizeMM = getPixelSizeMM(dimension, "HorizontalPixelSize");
float verticalPixelSizeMM = getPixelSizeMM(dimension, "VerticalPixelSize");
float xRes = 25.4f / horizontalPixelSizeMM;
float yRes = 25.4f / verticalPixelSizeMM;
PDImageXObject ximage = CCITTFactory.createFromImage(pdf, image);
float wScale = (ximage.getWidth() / xRes) * 72f;
float hScale = (ximage.getHeight() / yRes) * 72f;
PDPage page = new PDPage(new PDRectangle((float)wScale, (float)hScale));
PDPageContentStream stream = new PDPageContentStream(pdf, page);
Dimension scaledDim = getScaledDimension( new Dimension(ximage.getWidth(),
ximage.getHeight()),
new Dimension((int)
page.getMediaBox().getWidth(),
(int)
page.getMediaBox().getHeight()));
stream.drawImage(ximage, 0, 0, wScale, hScale);
stream.close();
pdf.addPage( page );
the PDImageXObject take 30 to 45 seconds to generate an object from 8.5x11 tiff
image that I use ImageIO to produce
a bufferedimage. I cannot share the image due to regulations but there is
nothing fancy about them.
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