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Execute RemoveStridePadding in place when possible

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BobLd 2025-01-05 16:38:09 +00:00
parent 53cf4f2ced
commit f86cc582ab
1 changed files with 4 additions and 1 deletions
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5
src/UglyToad.PdfPig/Images/ColorSpaceDetailsByteConverter.cs
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@ -87,7 +87,10 @@
private static Span<byte> RemoveStridePadding(Span<byte> input, int strideWidth, int imageWidth, int imageHeight, int multiplier) private static Span<byte> RemoveStridePadding(Span<byte> input, int strideWidth, int imageWidth, int imageHeight, int multiplier)
{ {
Span<byte> result = new byte[imageWidth * imageHeight * multiplier]; int size = imageWidth * imageHeight * multiplier;
Span<byte> result = size < input.Length ? input.Slice(0, size) : new byte[size];
// See PDFBOX-492-4.jar-8.pdf, page 2 for size > input.Length
for (int y = 0; y < imageHeight; y++) for (int y = 0; y < imageHeight; y++)
{ {
int sourceIndex = y * strideWidth; int sourceIndex = y * strideWidth;