float[] functionResult = function.eval(functionValues);
eval is an abstract method, but I don't see how any of its
implementation would return null :-( (but I just woke up)
oh wait, there's this:
if (functionsArray.length == 1)
{
// This doesn't make sense but it may happen ...
function = functionsArray[0];
PDRange encRange = getEncodeForParameter(0);
x = interpolate(x, domain.getMin(), domain.getMax(),
encRange.getMin(), encRange.getMax());
}
function has a null check, but in the else part only
Tilman
Am 14.06.2022 um 21:35 schrieb John Lussmyer:
We are using PDFBox to render various PDF files in our product.
One customer is having issues due to PDFBox throwing a NullPointerException
when certain files are rendered. (No, I don't have copies of the files - yet)
Any ideas on what could cause this?
java.lang.NullPointerException: null
at
org.apache.pdfbox.pdmodel.common.function.PDFunctionType3.eval(PDFunctionType3.java:123)
~[pdfbox.jar:?]
at
org.apache.pdfbox.pdmodel.graphics.shading.PDShading.evalFunction(PDShading.java:410)
~[pdfbox.jar:?]
at
org.apache.pdfbox.pdmodel.graphics.shading.PDShading.evalFunction(PDShading.java:393)
~[pdfbox.jar:?]
at
org.apache.pdfbox.pdmodel.graphics.shading.AxialShadingContext.calcColorTable(AxialShadingContext.java:151)
~[pdfbox.jar:?]
at
org.apache.pdfbox.pdmodel.graphics.shading.AxialShadingContext.<init>(AxialShadingContext.java:128)
~[pdfbox.jar:?]
at
org.apache.pdfbox.pdmodel.graphics.shading.AxialShadingPaint.createContext(AxialShadingPaint.java:62)
~[pdfbox.jar:?]
at sun.java2d.pipe.AlphaPaintPipe.startSequence(Unknown Source) ~[?:?]
at sun.java2d.pipe.SpanShapeRenderer$Composite.startSequence(Unknown
Source) ~[?:?]
at sun.java2d.pipe.SpanShapeRenderer.renderSpans(Unknown Source) ~[?:?]
at sun.java2d.pipe.SpanShapeRenderer.fill(Unknown Source) ~[?:?]
at sun.java2d.pipe.ValidatePipe.fill(Unknown Source) ~[?:?]
at sun.java2d.SunGraphics2D.fill(Unknown Source) ~[?:?]
at
org.apache.pdfbox.rendering.PageDrawer.shadingFill(PageDrawer.java:1234)
~[pdfbox.jar:?]
....
I believe the version we are using is the 3.0.0-alpha2.
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