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File Formats: Canon RAW Format (CRW)

✅ IMPORTANT

Win32 support only

Not supported for x64

The Canon Raw file format is a raster file format created by Canon digital cameras. It is a raw dump of CCD pixels with no compression. This format is supported by POLYVIEW.

Using the Canon Digital Camera SDK (CD-SDK), LEADTOOLS can read and view CRW files generated by the following digital cameras:

Power Shot	IXY DIGITAL	DIGITAL IXUS	EOS
Power Shot A10 Power Shot A20 Power Shot A30 Power Shot A40 Power Shot A100 Power Shot S10 Power Shot S20 Power Shot S30 Power Shot S40 Power Shot S100 Power Shot S110 Power Shot S200 Power Shot S300 Power Shot S330 Power Shot G1 Power Shot G2 Power Shot Pro90 IS	IXY DIGITAL IXY DIGITAL 200 IXY DIGITAL 200a IXY DIGITAL 300 IXY DIGITAL 300a	DIGITAL IXUS DIGITAL IXUS v DIGITAL IXUS v2 DIGITAL IXUS 300 DIGITAL IXUS 300	EOS D30 EOS D60 EOS-1D

The default extension used by this format is: CRW.

File constants associated with this file format are:

Constant	Read Support	Write Support	Description
Crw	24 BPP	None	Cannon raw format.

Required DLL: Leadtools.Codecs.Crw.Dll. For a listing of the exact DLLs needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Canon Runtime Files Required for CRW Support (Win32 Support Only)

CDSDK.reg
CDSDK.dll
CDRAPCLS.dll
czs_ui.dll
deimg.dll
deImg010.dll
deImg110.dll
deImg153.dll
deimg301.dll
deimg401.dll
deImg404.dll
deimg602.dll
Deimg603.dll
DeImgd60.dll
pscAdimg.dll
pscCllct.dll
pscCStUI.dll
pscDcd.dll
pscDevUI.dll
pscDvlp.dll
Pscl2STI.dll
pscll.dll
pscParse.dll
pscSetup.dll
psdkdll.dll
psdkReg.dll
psParse.dll

Canon, Inc. publishes these DLLs. To obtain a license to distribute these files, contact Canon and license the free Canon Digital Camera Software Developer Kit.

These files are included for demonstration and testing purposes. You must obtain a license from Canon prior to distributing these files.

Canon, Inc. suggests that the user of their CRW SDK MUST place the required DLLs/Libraries in the working folder of the EXE application that is using it, and not in the SYSTEM folder. LEADTOOLS tested this in the system folder and it worked fine. But to follow Canon's instructions, we recommend the users of CANON DLLs/Libraries to place them in the working folder of his/her application to avoid any problems/conflicts, which may result from ignoring this recommendation.

Platform Support

Extension	Module	Value	Win32	Win64	Net32	Net64	Linux	Android	Apple	UWP	MimeType	Friendly Name
Crw	CRW	296	✔		✔						image/x-crw	AFP Format - with IOCA MMR Compression

For a complete list for supported file formats, see Summary of All Supported File Formats.

For details of the file formats supported across products and platforms, refer to File Format Comparison Chart.

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