protected virtual string GetMessageText(int code)
{
switch ((J_MESSAGE_CODE)code)
{
default:
case J_MESSAGE_CODE.JMSG_NOMESSAGE:
return "Bogus message code {0}";
/* For maintenance convenience, list is alphabetical by message code name */
case J_MESSAGE_CODE.JERR_BAD_BUFFER_MODE:
return "Bogus buffer control mode";
case J_MESSAGE_CODE.JERR_BAD_COMPONENT_ID:
return "Invalid component ID {0} in SOS";
case J_MESSAGE_CODE.JERR_BAD_CROP_SPEC:
return "Invalid crop request";
case J_MESSAGE_CODE.JERR_BAD_DCT_COEF:
return "DCT coefficient out of range";
case J_MESSAGE_CODE.JERR_BAD_DCTSIZE:
return "DCT scaled output block size {0}x{1} not supported";
case J_MESSAGE_CODE.JERR_BAD_DROP_SAMPLING:
return "Component index {0}: mismatching sampling ratio {1}:{2}, {3}:{4}, {5}";
case J_MESSAGE_CODE.JERR_BAD_HUFF_TABLE:
return "Bogus Huffman table definition";
case J_MESSAGE_CODE.JERR_BAD_IN_COLORSPACE:
return "Bogus input colorspace";
case J_MESSAGE_CODE.JERR_BAD_J_COLORSPACE:
return "Bogus JPEG colorspace";
case J_MESSAGE_CODE.JERR_BAD_LENGTH:
return "Bogus marker length";
case J_MESSAGE_CODE.JERR_BAD_MCU_SIZE:
return "Sampling factors too large for interleaved scan";
case J_MESSAGE_CODE.JERR_BAD_PRECISION:
return "Unsupported JPEG data precision {0}";
case J_MESSAGE_CODE.JERR_BAD_PROGRESSION:
return "Invalid progressive parameters Ss={0} Se={1} Ah={2} Al={3}";
case J_MESSAGE_CODE.JERR_BAD_PROG_SCRIPT:
return "Invalid progressive parameters at scan script entry {0}";
case J_MESSAGE_CODE.JERR_BAD_SAMPLING:
return "Bogus sampling factors";
case J_MESSAGE_CODE.JERR_BAD_SCAN_SCRIPT:
return "Invalid scan script at entry {0}";
case J_MESSAGE_CODE.JERR_BAD_STATE:
return "Improper call to JPEG library in state {0}";
case J_MESSAGE_CODE.JERR_BAD_VIRTUAL_ACCESS:
return "Bogus virtual array access";
case J_MESSAGE_CODE.JERR_BUFFER_SIZE:
return "Buffer passed to JPEG library is too small";
case J_MESSAGE_CODE.JERR_CANT_SUSPEND:
return "Suspension not allowed here";
case J_MESSAGE_CODE.JERR_CCIR601_NOTIMPL:
return "CCIR601 sampling not implemented yet";
case J_MESSAGE_CODE.JERR_COMPONENT_COUNT:
return "Too many color components: {0}, max {1}";
case J_MESSAGE_CODE.JERR_CONVERSION_NOTIMPL:
return "Unsupported color conversion request";
case J_MESSAGE_CODE.JERR_DAC_INDEX:
return "Bogus DAC index {0}";
case J_MESSAGE_CODE.JERR_DAC_VALUE:
return "Bogus DAC value 0x{0}";
case J_MESSAGE_CODE.JERR_DHT_INDEX:
return "Bogus DHT index {0}";
case J_MESSAGE_CODE.JERR_DQT_INDEX:
return "Bogus DQT index {0}";
case J_MESSAGE_CODE.JERR_EMPTY_IMAGE:
return "Empty JPEG image (DNL not supported)";
case J_MESSAGE_CODE.JERR_EOI_EXPECTED:
return "Didn't expect more than one scan";
case J_MESSAGE_CODE.JERR_FILE_WRITE:
return "Output file write error --- out of disk space?";
case J_MESSAGE_CODE.JERR_FRACT_SAMPLE_NOTIMPL:
return "Fractional sampling not implemented yet";
case J_MESSAGE_CODE.JERR_HUFF_CLEN_OVERFLOW:
return "Huffman code size table overflow";
case J_MESSAGE_CODE.JERR_HUFF_MISSING_CODE:
return "Missing Huffman code table entry";
case J_MESSAGE_CODE.JERR_IMAGE_TOO_BIG:
return "Maximum supported image dimension is {0} pixels";
case J_MESSAGE_CODE.JERR_INPUT_EMPTY:
return "Empty input file";
case J_MESSAGE_CODE.JERR_INPUT_EOF:
return "Premature end of input file";
case J_MESSAGE_CODE.JERR_MISMATCHED_QUANT_TABLE:
return "Cannot transcode due to multiple use of quantization table {0}";
case J_MESSAGE_CODE.JERR_MISSING_DATA:
return "Scan script does not transmit all data";
case J_MESSAGE_CODE.JERR_MODE_CHANGE:
return "Invalid color quantization mode change";
case J_MESSAGE_CODE.JERR_NOTIMPL:
return "Not implemented yet";
case J_MESSAGE_CODE.JERR_NOT_COMPILED:
return "Requested feature was omitted at compile time";
case J_MESSAGE_CODE.JERR_NO_ARITH_TABLE:
return "Arithmetic table 0x{0:X2} was not defined";
case J_MESSAGE_CODE.JERR_NO_HUFF_TABLE:
return "Huffman table 0x{0:X2} was not defined";
case J_MESSAGE_CODE.JERR_NO_IMAGE:
return "JPEG datastream contains no image";
case J_MESSAGE_CODE.JERR_NO_QUANT_TABLE:
return "Quantization table 0x{0:X2} was not defined";
case J_MESSAGE_CODE.JERR_NO_SOI:
return "Not a JPEG file: starts with 0x{0:X2} 0x{1:X2}";
case J_MESSAGE_CODE.JERR_OUT_OF_MEMORY:
return "Insufficient memory (case {0})";
case J_MESSAGE_CODE.JERR_QUANT_COMPONENTS:
return "Cannot quantize more than {0} color components";
case J_MESSAGE_CODE.JERR_QUANT_FEW_COLORS:
return "Cannot quantize to fewer than {0} colors";
case J_MESSAGE_CODE.JERR_QUANT_MANY_COLORS:
return "Cannot quantize to more than {0} colors";
case J_MESSAGE_CODE.JERR_SOF_BEFORE:
return "Invalid JPEG file structure: {0} before SOF";
case J_MESSAGE_CODE.JERR_SOF_DUPLICATE:
return "Invalid JPEG file structure: two SOF markers";
case J_MESSAGE_CODE.JERR_SOF_NO_SOS:
return "Invalid JPEG file structure: missing SOS marker";
case J_MESSAGE_CODE.JERR_SOF_UNSUPPORTED:
return "Unsupported JPEG process: SOF type 0x{0:X2}";
case J_MESSAGE_CODE.JERR_SOI_DUPLICATE:
return "Invalid JPEG file structure: two SOI markers";
case J_MESSAGE_CODE.JERR_SOS_NO_SOF:
return "Invalid JPEG file structure: SOS before SOF";
case J_MESSAGE_CODE.JERR_TOO_LITTLE_DATA:
return "Application transferred too few scanlines";
case J_MESSAGE_CODE.JERR_UNKNOWN_MARKER:
return "Unsupported marker type 0x{0:X2}";
case J_MESSAGE_CODE.JERR_WIDTH_OVERFLOW:
return "Image too wide for this implementation";
case J_MESSAGE_CODE.JTRC_16BIT_TABLES:
return "Caution: quantization tables are too coarse for baseline JPEG";
case J_MESSAGE_CODE.JTRC_ADOBE:
return "Adobe APP14 marker: version {0}, flags 0x{1:X4} 0x{2:X4}, transform {3}";
case J_MESSAGE_CODE.JTRC_APP0:
return "Unknown APP0 marker (not JFIF), length {0}";
case J_MESSAGE_CODE.JTRC_APP14:
return "Unknown APP14 marker (not Adobe), length {0}";
case J_MESSAGE_CODE.JTRC_DAC:
return "Define Arithmetic Table 0x{0:X2}: 0x{1:X2}";
case J_MESSAGE_CODE.JTRC_DHT:
return "Define Huffman Table 0x{0:X2}";
case J_MESSAGE_CODE.JTRC_DQT:
return "Define Quantization Table {0} precision {1}";
case J_MESSAGE_CODE.JTRC_DRI:
return "Define Restart Interval {0}";
case J_MESSAGE_CODE.JTRC_EOI:
return "End Of Image";
case J_MESSAGE_CODE.JTRC_HUFFBITS:
return " {0:D3} {1:D3} {2:D3} {3:D3} {4:D3} {5:D3} {6:D3} {7:D3}";
case J_MESSAGE_CODE.JTRC_JFIF:
return "JFIF APP0 marker: version {0}.{1:D2}, density {2}x{3} {4}";
case J_MESSAGE_CODE.JTRC_JFIF_BADTHUMBNAILSIZE:
return "Warning: thumbnail image size does not match data length {0}";
case J_MESSAGE_CODE.JTRC_JFIF_EXTENSION:
return "JFIF extension marker: type 0x{0:X2}, length {1}";
case J_MESSAGE_CODE.JTRC_JFIF_THUMBNAIL:
return " with {0} x {1} thumbnail image";
case J_MESSAGE_CODE.JTRC_MISC_MARKER:
return "Miscellaneous marker 0x{0:X2}, length {1}";
case J_MESSAGE_CODE.JTRC_PARMLESS_MARKER:
return "Unexpected marker 0x{0:X2}";
case J_MESSAGE_CODE.JTRC_QUANTVALS:
return " {0:D4} {1:D4} {2:D4} {3:D4} {4:D4} {5:D4} {6:D4} {7:D4}";
case J_MESSAGE_CODE.JTRC_QUANT_3_NCOLORS:
return "Quantizing to {0} = {1}*{2}*{3} colors";
case J_MESSAGE_CODE.JTRC_QUANT_NCOLORS:
return "Quantizing to {0} colors";
case J_MESSAGE_CODE.JTRC_QUANT_SELECTED:
return "Selected {0} colors for quantization";
case J_MESSAGE_CODE.JTRC_RECOVERY_ACTION:
return "At marker 0x{0:X2}, recovery action {1}";
case J_MESSAGE_CODE.JTRC_RST:
return "RST{0}";
case J_MESSAGE_CODE.JTRC_SMOOTH_NOTIMPL:
return "Smoothing not supported with nonstandard sampling ratios";
case J_MESSAGE_CODE.JTRC_SOF:
return "Start Of Frame 0x{0:X2}: width={1}, height={2}, components={3}";
case J_MESSAGE_CODE.JTRC_SOF_COMPONENT:
return " Component {0}: {1}hx{2}v q={3}";
case J_MESSAGE_CODE.JTRC_SOI:
return "Start of Image";
case J_MESSAGE_CODE.JTRC_SOS:
return "Start Of Scan: {0} components";
case J_MESSAGE_CODE.JTRC_SOS_COMPONENT:
return " Component {0}: dc={1} ac={2}";
case J_MESSAGE_CODE.JTRC_SOS_PARAMS:
return " Ss={0}, Se={1}, Ah={2}, Al={3}";
case J_MESSAGE_CODE.JTRC_THUMB_JPEG:
return "JFIF extension marker: JPEG-compressed thumbnail image, length {0}";
case J_MESSAGE_CODE.JTRC_THUMB_PALETTE:
return "JFIF extension marker: palette thumbnail image, length {0}";
case J_MESSAGE_CODE.JTRC_THUMB_RGB:
return "JFIF extension marker: RGB thumbnail image, length {0}";
case J_MESSAGE_CODE.JTRC_UNKNOWN_IDS:
return "Unrecognized component IDs {0} {1} {2}, assuming YCbCr";
case J_MESSAGE_CODE.JWRN_ADOBE_XFORM:
return "Unknown Adobe color transform code {0}";
case J_MESSAGE_CODE.JWRN_ARITH_BAD_CODE:
return "Corrupt JPEG data: bad arithmetic code";
case J_MESSAGE_CODE.JWRN_BOGUS_PROGRESSION:
return "Inconsistent progression sequence for component {0} coefficient {1}";
case J_MESSAGE_CODE.JWRN_EXTRANEOUS_DATA:
return "Corrupt JPEG data: {0} extraneous bytes before marker 0x{1:X2}";
case J_MESSAGE_CODE.JWRN_HIT_MARKER:
return "Corrupt JPEG data: premature end of data segment";
case J_MESSAGE_CODE.JWRN_HUFF_BAD_CODE:
return "Corrupt JPEG data: bad Huffman code";
case J_MESSAGE_CODE.JWRN_JFIF_MAJOR:
return "Warning: unknown JFIF revision number {0}.{1:D2}";
case J_MESSAGE_CODE.JWRN_JPEG_EOF:
return "Premature end of JPEG file";
case J_MESSAGE_CODE.JWRN_MUST_RESYNC:
return "Corrupt JPEG data: found marker 0x{0:X2} instead of RST{1}";
case J_MESSAGE_CODE.JWRN_NOT_SEQUENTIAL:
return "Invalid SOS parameters for sequential JPEG";
case J_MESSAGE_CODE.JWRN_TOO_MUCH_DATA:
return "Application transferred too many scanlines";
case J_MESSAGE_CODE.JMSG_UNKNOWNMSGCODE:
return "Unknown message code (possibly it is an error from application)";
}
}
}
