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fix: fix a thumbnail render bug

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This commit is contained in:
kradchen
2025-06-13 14:27:46 +08:00
parent 2eb6b1bb6b
commit 645557908f
1 changed files with 3 additions and 3 deletions
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6
src/src/IO/DICOM/DICOMPixelDataHelper.cpp
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@@ -37,6 +37,7 @@ void DICOMPixelDataHelper::FinalizeCodecs() {
void DICOMPixelDataHelper::GetThumbnailData(ExtendMedicalImageProperties *property, void*& data,
unsigned long& length, int & sample) {
double *wlww = property->GetNthWindowLevelPreset(0);
int ww = wlww ? ((int) wlww[0]) : (512);
int wl = wlww ? ((int) wlww[1]) : (256);
@@ -46,9 +47,8 @@ void DICOMPixelDataHelper::GetThumbnailData(ExtendMedicalImageProperties *proper
DcmDataset *dset = fileFormat.getDataset();
DicomImage dcmImage(&fileFormat, dset->getOriginalXfer(), CIF_MayDetachPixelData);
dcmImage.setWindow(wl, ww);
length = dcmImage.getOutputDataSize(8);
data = new unsigned char[length];
dcmImage.getOutputData(data, length, 8);//按8位的位宽取数据
length = dcmImage.getWidth() * dcmImage.getHeight();
dcmImage.createWindowsDIB(data, length, 0, 8);
}
}