-int File::ComputeDecompressedPixelDataSizeFromHeader()
-{
- // see PS 3.3-2003 : C.7.6.3.2.1
- //
- // MONOCHROME1
- // MONOCHROME2
- // PALETTE COLOR
- // RGB
- // HSV (Retired)
- // ARGB (Retired)
- // CMYK (Retired)
- // YBR_FULL
- // YBR_FULL_422 (no LUT, no Palette)
- // YBR_PARTIAL_422
- // YBR_ICT
- // YBR_RCT
-
- // LUT's
- // ex : gdcm-US-ALOKA-16.dcm
- // 0028|1221 [OW] [Segmented Red Palette Color Lookup Table Data]
- // 0028|1222 [OW] [Segmented Green Palette Color Lookup Table Data]
- // 0028|1223 [OW] [Segmented Blue Palette Color Lookup Table Data]
-
- // ex : OT-PAL-8-face.dcm
- // 0028|1201 [US] [Red Palette Color Lookup Table Data]
- // 0028|1202 [US] [Green Palette Color Lookup Table Data]
- // 0028|1203 [US] [Blue Palette Color Lookup Table Data]
-
- int numberBitsAllocated = HeaderInternal->GetBitsAllocated();
- // Number of "Bits Allocated" is fixed to 16 when:
- // - it is not defined (i.e. it's value is 0)
- // - it's 12, since we will expand the image to 16 bits (see
- // PixelConvert::ConvertDecompress12BitsTo16Bits() )
- if ( numberBitsAllocated == 0 || numberBitsAllocated == 12 )
- {
- numberBitsAllocated = 16;
- }
-
- int DecompressedSize = HeaderInternal->GetXSize()
- * HeaderInternal->GetYSize()
- * HeaderInternal->GetZSize()
- * ( numberBitsAllocated / 8 )
- * HeaderInternal->GetSamplesPerPixel();
-
- return DecompressedSize;
-}
-
-/// Accessor to \ref ImageDataSize