Daniel Migowski created PDFBOX-5120:
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Summary: Need to do strange stuff to create my own PageDrawer
Parameters
Key: PDFBOX-5120
URL: https://issues.apache.org/jira/browse/PDFBOX-5120
Project: PDFBox
Issue Type: Bug
Components: Rendering
Reporter: Daniel Migowski
Currently using the following function to create my PageDrawer Parameters:
{{ private static PageDrawerParameters createPageDrawerParameters(PDPage
page) {
Class<PageDrawerParameters> clazz = PageDrawerParameters.class;
Constructor<PageDrawerParameters> c;
try {
c = clazz.getDeclaredConstructor(PDFRenderer.class, PDPage.class,
boolean.class,
RenderDestination.class,
RenderingHints.class);
if( !c.isAccessible() ) {
c.setAccessible(true);
}
// TODO: Play with other rendering hints
Map<Key,Object> hints = new HashMap<>();
hints.put(RenderingHints.KEY_ALPHA_INTERPOLATION,
RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED);
hints.put(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
hints.put(RenderingHints.KEY_COLOR_RENDERING,
RenderingHints.VALUE_COLOR_RENDER_SPEED);
hints.put(RenderingHints.KEY_DITHERING,
RenderingHints.VALUE_DITHER_DISABLE);
hints.put(RenderingHints.KEY_FRACTIONALMETRICS,
RenderingHints.VALUE_FRACTIONALMETRICS_ON);
hints.put(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR);
hints.put(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_SPEED);
hints.put(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
return c.newInstance(null,page,true,RenderDestination.VIEW,new
RenderingHints(hints));
} catch (Exception e) {
throw new RuntimeException("Could not instantiate
PageDrawerParameters.",e);
}
}}}
Isn't there a better way to achive this? Why isn't the constructor public at
all? I need this to create my own PageDrawer because I am writing a PDF Viewer
GUI in SWT that uses PDFBox for the rendering and to render I thought it would
be nice to be able to use the PageDrawer.
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