Initial import

git-svn-id: http://moon:8086/svn/software/trunk/libsrc/_to_be_added@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
2014-07-19 07:44:42 +00:00
commit 05da8712f6
19 changed files with 5064 additions and 0 deletions
@@ -0,0 +1,225 @@
+// ------------------------------------------------------------
+// imageio.c
+//
+// Reading writing tiff images
+//
+// 12.03.2005, J.Ahrensfeld
+// ------------------------------------------------------------
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#ifndef WIN32
+#include <sys/time.h>
+else
+#include <time.h>
+#endif
+
+#include <tiffio.h>
+#include "mtypes.h"
+#include "imageio.h"
+#include "mutil.h"
+
+// ------------------------------------------------------------
+void ImageInit(image_t *pObj, int num_row, int num_col, int num_ch)
+{
+	pObj->num_row = num_row;
+	pObj->num_col = num_col;
+	pObj->num_ch = num_ch;
+	pObj->num_pixel = num_row*num_col;
+
+	pObj->pColor_data = (double*)malloc(pObj->num_pixel*num_ch*sizeof(double));
+	memset(pObj->pColor_data, 0, pObj->num_pixel*num_ch*sizeof(double));
+
+}
+
+// ------------------------------------------------------------
+void ImageFree(image_t *pObj)
+{
+	pObj->num_row = 0;
+	pObj->num_col = 0;
+	pObj->num_pixel = 0;
+	pObj->num_ch = 0;
+
+	if (pObj->pColor_data)
+
+		free(pObj->pColor_data);
+
+}
+
+// ------------------------------------------------------------
+void ImageCopy(image_t *pSrc, image_t *pDst)
+{
+	pDst->num_row = pSrc->num_row;
+	pDst->num_col = pSrc->num_col;
+	pDst->num_pixel = pSrc->num_pixel;
+	pDst->num_ch = pSrc->num_ch;
+
+	if (!pDst->pColor_data)
+		pDst->pColor_data = (double*)malloc(pSrc->num_ch*pSrc->num_pixel*sizeof(double));
+
+
+	memcpy(pDst->pColor_data, pSrc->pColor_data, pSrc->num_ch*pSrc->num_pixel*sizeof(double));
+
+}
+
+// ------------------------------------------------------------
+int ImageLoadTiff(image_t *pObj, char *filename)
+{
+
+	TIFF *pTifComp;
+	UINT16 config, nBits, nSamples, photometric;
+	UINT32 i, num_col, num_row, scan_size, size, num_color_ch;
+	double k_norm;
+	double c;
+
+	UINT8 *pImage_comp8;
+	int status;
+
+	pTifComp  = TIFFOpen(filename,"r");
+
+	if (!pTifComp)
+	{
+		fprintf(stderr,"Unable to open input file %s\n",filename);
+		return -1;
+	}
+
+	status = TIFFGetField(pTifComp, TIFFTAG_IMAGEWIDTH, &num_col);
+	status = TIFFGetField(pTifComp, TIFFTAG_IMAGELENGTH, &num_row);
+	status = TIFFGetField(pTifComp, TIFFTAG_BITSPERSAMPLE, &nBits);
+	status = TIFFGetField(pTifComp, TIFFTAG_PLANARCONFIG, &config);
+	status = TIFFGetField(pTifComp, TIFFTAG_PHOTOMETRIC, &photometric);
+	status = TIFFGetField(pTifComp, TIFFTAG_SAMPLESPERPIXEL, &nSamples);
+
+	num_color_ch = (UINT32)nSamples;
+	pObj->num_row = num_row;
+	pObj->num_col = num_col;
+	pObj->num_pixel = num_row*num_col;
+	pObj->num_ch = num_color_ch;
+
+	pObj->pColor_data = (double*)malloc(num_color_ch*pObj->num_pixel*sizeof(double));
+
+	scan_size = TIFFScanlineSize(pTifComp);
+
+	pImage_comp8 = (UINT8*)_TIFFmalloc(scan_size*num_row*sizeof(UINT8));
+
+	for (i=0; i < num_row; i++)
+		status = TIFFReadScanline(pTifComp, &pImage_comp8[i*scan_size], i, 0);
+
+	TIFFClose(pTifComp);
+
+	k_norm = 1.0/(pow(2.0,nBits)-1);
+
+	for (i=0; i < num_color_ch*num_col*num_row; i++)
+	{
+		c = k_norm*(double)pImage_comp8[i];
+		pObj->pColor_data[i] = c;
+	}
+
+	free(pImage_comp8);
+
+}
+
+// ------------------------------------------------------------
+int ImageSaveTiff(image_t *pObj, double *pAlpha, char *filename)
+{
+
+	TIFF *pTifComp;
+	ttag_t config, nBits, nSamples, photometric, extra_sample_info;
+	UINT32 i, num_col, num_row, scan_size, size;
+	double k_norm;
+	double c, a;
+
+	UINT8 *pImage_comp8;
+	int status;
+
+	pTifComp  = TIFFOpen(filename,"w");
+
+	if (!pTifComp)
+	{
+		fprintf(stderr,"Unable to open input file %s\n",filename);
+		return 1;
+	}
+
+	nBits = 8;
+	num_row = pObj->num_row;
+	num_col = pObj->num_col;
+	config = PLANARCONFIG_CONTIG;
+	photometric = PHOTOMETRIC_RGB;
+
+	nSamples = (ttag_t)pObj->num_ch;
+
+	extra_sample_info = 0;
+	if (pAlpha)
+	{
+		nSamples++;
+		extra_sample_info = EXTRASAMPLE_ASSOCALPHA;
+		status = TIFFSetField(pTifComp, TIFFTAG_EXTRASAMPLES, 1, &extra_sample_info);
+
+	}
+
+	status = TIFFSetField(pTifComp, TIFFTAG_IMAGEWIDTH, num_col);
+	status = TIFFSetField(pTifComp, TIFFTAG_IMAGELENGTH, num_row);
+	status = TIFFSetField(pTifComp, TIFFTAG_ROWSPERSTRIP, num_row);
+	status = TIFFSetField(pTifComp, TIFFTAG_BITSPERSAMPLE, nBits);
+	status = TIFFSetField(pTifComp, TIFFTAG_PLANARCONFIG, config);
+	status = TIFFSetField(pTifComp, TIFFTAG_PHOTOMETRIC, photometric);
+	status = TIFFSetField(pTifComp, TIFFTAG_SAMPLESPERPIXEL, nSamples);
+	status = TIFFSetField(pTifComp, TIFFTAG_ARTIST, "JDI, J. Ahrensfeld");
+
+//TIFFTAG_IMAGEDESCRIPTION
+//TIFFTAG_SOFTWARE                305     /* name & release */
+//TIFFTAG_DATETIME                306     /* creation date and time */
+
+	scan_size = nSamples*num_col;
+
+	pImage_comp8 = (UINT8*)_TIFFmalloc(scan_size*num_row*sizeof(UINT8));
+
+	k_norm = pow(2.0,nBits)-1;
+
+	if (pAlpha)
+	{
+		for (i=0; i < num_col*num_row; i++)
+		{
+			a = smin(smax(pAlpha[i],0),1);
+
+			c = pObj->pColor_data[(nSamples-1)*i+0];
+			c = a*smin(smax(c,0),1);
+			pImage_comp8[nSamples*i+0] = (UINT8)(k_norm*c);
+
+			c = pObj->pColor_data[(nSamples-1)*i+1];
+			c = a*smin(smax(c,0),1);
+			pImage_comp8[nSamples*i+1] = (UINT8)(k_norm*c);
+
+			c = pObj->pColor_data[(nSamples-1)*i+2];
+			c = a*smin(smax(c,0),1);
+			pImage_comp8[nSamples*i+2] = (UINT8)(k_norm*c);
+
+			pImage_comp8[nSamples*i+3] = (UINT8)(k_norm*a);
+
+		}
+	}
+	else
+	{
+		for (i=0; i < nSamples*num_col*num_row; i++)
+		{
+			c = pObj->pColor_data[i];
+			c = smin(smax(c,0),1);
+			pImage_comp8[i] = (UINT8)(k_norm*c);
+		}
+	}
+
+	for (i=0; i < num_row; i++)
+	{
+		status = TIFFWriteScanline(pTifComp, &pImage_comp8[i*scan_size], i, 0);
+		if (status < 0)
+			TIFFError("ImageSaveTiff", "%s", "Hallo") ;
+	}
+
+	TIFFClose(pTifComp);
+	free(pImage_comp8);
+
+	return 0;
+
+}