Set image resolution Leave feedback
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If the output PDF file contains images, you can reduce its resolution.
To allow changing the image resolution, set the setCompressImages() and setResizeImages() setters to true in the PdfOptimizationOptions. The GroupDocs.Viewer compresses all images in the file. The setMaxResolution() property determines the maximum resolution.
The following code snippet shows how to reduce image resolution in the file:
try (Viewer viewer = new Viewer("sample.docx")) {
PdfViewOptions viewOptions = new PdfViewOptions();
PdfOptimizationOptions optimizationOptions = new PdfOptimizationOptions();
optimizationOptions.setCompressImages(true);
optimizationOptions.setImageQuality(50);
optimizationOptions.setResizeImages(true);
optimizationOptions.setMaxResolution(100);
viewOptions.setPdfOptimizationOptions(optimizationOptions);
viewer.view(viewOptions);
}
The following image demonstrates the result:
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