signatureLength 73 modules/imgcodecs/src/grfmt_base.cpp size_t BaseImageDecoder::signatureLength() const signatureLength 62 modules/imgcodecs/src/grfmt_hdr.cpp size_t HdrDecoder::signatureLength() const signatureLength 105 modules/imgcodecs/src/grfmt_pxm.cpp size_t PxMDecoder::signatureLength() const signatureLength 96 modules/imgcodecs/src/grfmt_tiff.cpp size_t TiffDecoder::signatureLength() const signatureLength 69 modules/imgcodecs/src/grfmt_webp.cpp size_t WebPDecoder::signatureLength() const