Mercurial > hg > orthanc
diff OrthancFramework/Sources/DicomParsing/ParsedDicomFile.cpp @ 4278:9279de56a405
avoid multiple calls to GetWidth() and GetHeight() on pixel loops
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 03 Nov 2020 20:05:55 +0100 |
| parents | 0034f855c023 |
| children | 3b70a2e6a06c |
line wrap: on
line diff
--- a/OrthancFramework/Sources/DicomParsing/ParsedDicomFile.cpp Tue Nov 03 18:45:32 2020 +0100 +++ b/OrthancFramework/Sources/DicomParsing/ParsedDicomFile.cpp Tue Nov 03 20:05:55 2020 +0100 @@ -1363,7 +1363,10 @@ Uint8* target = NULL; pixels->createUint8Array(accessor.GetHeight() * pitch, target); - for (unsigned int y = 0; y < accessor.GetHeight(); y++) + const unsigned int height = accessor.GetHeight(); + const unsigned int width = accessor.GetWidth(); + + for (unsigned int y = 0; y < height; y++) { switch (accessor.GetFormat()) { @@ -1381,7 +1384,7 @@ { // The alpha channel is not supported by the DICOM standard const Uint8* source = reinterpret_cast<const Uint8*>(accessor.GetConstRow(y)); - for (unsigned int x = 0; x < accessor.GetWidth(); x++, target += 3, source += 4) + for (unsigned int x = 0; x < width; x++, target += 3, source += 4) { target[0] = source[0]; target[1] = source[1];