raw2tiff.cpp

Dialogic DM3板卡传真示例程序

//
// raw2tiff..cpp : Defines the entry point for the console application.
//


#include <stdio.h>
#include <fcntl.h>
#include <io.h>
#include <stdarg.h>

#include "TiffFile.h"
#include "TiffTag.h"


#define PAUSE() \
{ \
	putchar(getchar()); \
}


void print_error(TIFFStatus error)
{
    printf("TIFF error %d occurred: %s\n", error, GetTiffErrorMsg(error));
}

int main(int argc, char* argv[])
{
	CTiffFile	*file;
	CTiffPage	*page;
	CTiffTag	*tag;
	TIFFStatus	ret;
	CTagInfo tag_info;

	file = new CTiffFile(TIFF_INTEL_BYTE_ORDER);
//
//	First argument is name of output TIFF file
//
	if ((ret = file->Create(argv[1])) != TIFF_OK) {
		print_error(ret);
		exit(1);
	}

	for (int i = 2; i < argc; i++) {
//
//		Create a page for the file
//
		page = file->AddPage();
//
//		Read the image data and add an image strip
//
		CTiffStrip *strip = new CTiffStrip();
//
//		argv[i] is name of input image data file
//
		char filename[80];
		sprintf(filename, "%s.raw", argv[i]);
#ifdef WIN32
		int image_fd = open(filename, _O_BINARY | _O_RDONLY);
#else
		int image_fd = open(filename, O_RDONLY);
#endif
		int bytes_read;
		UInt8 strip_buffer[4096];
//
//		Read image date 4k at a time, and add to the strip
//
		bytes_read = read(image_fd, strip_buffer, 4096);
		while (bytes_read > 0) {
			strip->AddDataToStrip(strip_buffer, bytes_read);	
			bytes_read = read(image_fd, strip_buffer, 4096);
		}
		close(image_fd);
//
//		Add the strip to the page
//
		page->AddStrip(strip);
//
//	Create the IFD by adding the desired tags
//
		sprintf(filename, "%s.tags", argv[i]);
#ifdef WIN32
		int tags_fd = open(filename, _O_BINARY | _O_RDONLY);
#else
		int tags_fd = open(filename, O_RDONLY);
#endif
		bytes_read = read(tags_fd, &tag_info, sizeof(tag_info));
		while (bytes_read > 0) {

			tag = page->AddTag(tag_info.m_tag, tag_info.m_type, tag_info.m_count);
			UInt8 *tag_buffer = new UInt8[tag->GetTagCount() * tag->GetSizeofTagType()];
			bytes_read = read(tags_fd, tag_buffer, tag->GetTagCount() * tag->GetSizeofTagType());

			tag->SetTagValue(tag_buffer, tag->GetTagCount() * tag->GetSizeofTagType());
			delete [] tag_buffer;

			bytes_read = read(tags_fd, &tag_info, sizeof(tag_info));

			tag->Print();
		}	
		printf("-------\n");
//
//		All image data is now in one strip, so change tag
//
		tag = page->FindTagByNumber(TAG_ImageLength);
		if (tag->GetTagType() == TAGTYPE_USHORT || 
		 tag->GetTagType() == TAGTYPE_SSHORT) {
			UInt16 length;
			tag->GetTagValue((void *) &length, sizeof(length));

			tag = page->FindTagByNumber(TAG_RowsPerStrip);
			if (tag->GetTagType() == TAGTYPE_USHORT || 
			 tag->GetTagType() == TAGTYPE_SSHORT) {
				UInt16 rows_per_strip = (UInt16) length;
				tag->SetTagValue((void *) &rows_per_strip, sizeof(rows_per_strip));
			} else if (tag->GetTagType() == TAGTYPE_ULONG ||
			 tag->GetTagType() == TAGTYPE_SLONG) {
				UInt32 rows_per_strip = (UInt32) length;
				tag->GetTagValue((void *) &rows_per_strip, sizeof(rows_per_strip));
			}
		} else if (tag->GetTagType() == TAGTYPE_ULONG ||
		 tag->GetTagType() == TAGTYPE_SLONG) {
			UInt32 length;
			tag->GetTagValue((void *) &length, sizeof(length));

			tag = page->FindTagByNumber(TAG_RowsPerStrip);
			if (tag->GetTagType() == TAGTYPE_USHORT || 
			 tag->GetTagType() == TAGTYPE_SSHORT) {
				UInt16 rows_per_strip = (UInt16) length;
				tag->SetTagValue((void *) &rows_per_strip, sizeof(rows_per_strip));
			} else if (tag->GetTagType() == TAGTYPE_ULONG ||
			 tag->GetTagType() == TAGTYPE_SLONG) {
				UInt32 rows_per_strip = (UInt32) length;
				tag->GetTagValue((void *) &rows_per_strip, sizeof(rows_per_strip));
			}
		}

	}

	if ((ret = file->Close()) != TIFF_OK)
		print_error(ret);

	delete file;

//
//	Pause before terminating
//
	printf("All tests passed\n");
	PAUSE();
	return 0;
}