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src/Source/FreeImage/PluginG3.cpp  view on Meta::CPAN

		if (verbose) {
			fprintf(stderr, "%d rows in input\n", rows);
			fprintf(stderr, "%ld total bad rows\n", (long) badfaxlines);
			fprintf(stderr, "%d max consecutive bad rows\n", badfaxrun);
		}
		*/

	} catch(const char *message) {
		if(rowbuf) _TIFFfree(rowbuf);
		if(refbuf) _TIFFfree(refbuf);
		if(tifin->tif_rawdata) {
			_TIFFfree(tifin->tif_rawdata);
			tifin->tif_rawdata = NULL;
		}
		FreeImage_OutputMessageProc(s_format_id, message);

		return -1;
	}

	return (row);
}


// ==========================================================
// Plugin Implementation
// ==========================================================

static const char * DLL_CALLCONV
Format() {
	return "G3";
}

static const char * DLL_CALLCONV 
Description() {
	return "Raw fax format CCITT G.3";
}

static const char * DLL_CALLCONV 
Extension() {
	return "g3";
}

static const char * DLL_CALLCONV 
RegExpr() {
	return NULL; // there is now reasonable regexp for raw G3
}

static const char * DLL_CALLCONV 
MimeType() {
	return "image/fax-g3";
}

static BOOL DLL_CALLCONV 
SupportsExportDepth(int depth) {
	return	FALSE;
}

// ----------------------------------------------------------

static FIBITMAP * DLL_CALLCONV
Load(FreeImageIO *io, fi_handle handle, int page, int flags, void *data) {
	TIFF *faxTIFF = NULL;
	FIBITMAP *dib = NULL;
	FIMEMORY *memory = NULL;

	//int verbose = 0;
	int	stretch = 0;
	int rows;
	float resX = 204.0;
	float resY = 196.0;

	uint32 xsize = G3_DEFAULT_WIDTH;
	int compression_in = COMPRESSION_CCITTFAX3;
	int fillorder_in = FILLORDER_LSB2MSB;
	uint32 group3options_in = 0;	// 1d-encoded 
	uint32 group4options_in = 0;	// compressed 
	int photometric_in = PHOTOMETRIC_MINISWHITE;

	if(handle==NULL) return NULL;

	try {
		// set default load options

		compression_in = COMPRESSION_CCITTFAX3;			// input is g3-encoded 
		group3options_in &= ~GROUP3OPT_2DENCODING;		// input is 1d-encoded (g3 only) 
		fillorder_in = FILLORDER_MSB2LSB;				// input has msb-to-lsb fillorder 

		/*
		Original input-related fax2tiff options

		while ((c = getopt(argc, argv, "R:X:o:1234ABLMPUW5678abcflmprsuvwz?")) != -1) {
			switch (c) {
					// input-related options 
				case '3':		// input is g3-encoded 
					compression_in = COMPRESSION_CCITTFAX3;
					break;
				case '4':		// input is g4-encoded 
					compression_in = COMPRESSION_CCITTFAX4;
					break;
				case 'U':		// input is uncompressed (g3 and g4) 
					group3options_in |= GROUP3OPT_UNCOMPRESSED;
					group4options_in |= GROUP4OPT_UNCOMPRESSED;
					break;
				case '1':		// input is 1d-encoded (g3 only) 
					group3options_in &= ~GROUP3OPT_2DENCODING;
					break;
				case '2':		// input is 2d-encoded (g3 only) 
					group3options_in |= GROUP3OPT_2DENCODING;
					break;
				case 'P':	// input has not-aligned EOL (g3 only) 
					group3options_in &= ~GROUP3OPT_FILLBITS;
					break;
				case 'A':		// input has aligned EOL (g3 only) 
					group3options_in |= GROUP3OPT_FILLBITS;
					break;
				case 'W':		// input has 0 mean white 
					photometric_in = PHOTOMETRIC_MINISWHITE;
					break;
				case 'B':		// input has 0 mean black 
					photometric_in = PHOTOMETRIC_MINISBLACK;
					break;