[7339b1]: hdrfile.c Maximize Restore History

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hdrfile.c    180 lines (152 with data), 4.7 kB

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#include <stdio.h>
#include "rgbe.h"
#include "filter.h"
#include "metadata.h"
int writeHDR( Image *im, fullPath *sfile)
{
rgbe_header_info rgbe_h;
FILE * outfile;
char filename[512];
unsigned char *data;
float *fdata = NULL;
int i;
#ifdef __Mac__
unsigned char the_pcUnixFilePath[512];// added by Kekus Digital
Str255 the_cString;
Boolean the_bReturnValue;
CFStringRef the_FilePath;
CFURLRef the_Url;//till here
#endif
if( GetFullPath (sfile, filename))
return -1;
#ifdef __Mac__
CopyCStringToPascal(filename,the_cString);//Added by Kekus Digital
the_FilePath = CFStringCreateWithPascalString(kCFAllocatorDefault, the_cString, kCFStringEncodingUTF8);
the_Url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, the_FilePath, kCFURLHFSPathStyle, false);
the_bReturnValue = CFURLGetFileSystemRepresentation(the_Url, true, the_pcUnixFilePath, 512);
strcpy(filename, the_pcUnixFilePath);//till here
#endif
data=malloc(im->width * im->height * 4 * 3);
if (im->bitsPerPixel==128) {
float *srcdata;
fdata=(float *)data;
srcdata=(float *)*im->data;
for(i=0;i<(im->width * im->height); i++) {
srcdata++; // skip alpha
*fdata++=*srcdata++;
*fdata++=*srcdata++;
*fdata++=*srcdata++;
}
fdata=(float *)data;
}
if (im->bitsPerPixel==96) {
fdata=(float *)*im->data;
}
if ((im->bitsPerPixel==64) || (im->bitsPerPixel==48)) {
double gnorm;
unsigned short *srcdata;
fdata=(float *)data;
srcdata=(unsigned short *)*im->data;
gnorm = (1 / pow( 65535.0 , 2.2 ));
for(i=0;i<(im->width * im->height); i++) {
if (im->bitsPerPixel==64) srcdata++; // skip alpha
*fdata++=(float)(pow((double)*srcdata++,2.2) * gnorm);
*fdata++=(float)(pow((double)*srcdata++,2.2) * gnorm);
*fdata++=(float)(pow((double)*srcdata++,2.2) * gnorm);
// *fdata++=pow((double)*sdata++ * (1.0/65535.0);
}
fdata=(float *)data;
}
if ((im->bitsPerPixel==32) || (im->bitsPerPixel==24)) {
double gnorm;
unsigned char *srcdata;
fdata=(float *)data;
srcdata=(unsigned char *)*im->data;
gnorm = (1 / pow( 255.0 , 2.2 ));
for(i=0;i<(im->width * im->height); i++) {
if (im->bitsPerPixel==32) srcdata++; // skip alpha
*fdata++=(float)(pow((double)*srcdata++,2.2) * gnorm);
*fdata++=(float)(pow((double)*srcdata++,2.2) * gnorm);
*fdata++=(float)(pow((double)*srcdata++,2.2) * gnorm);
// *fdata++=(*cdata++) * (1.0/255.0);
}
fdata=(float *)data;
}
if ((outfile = fopen(filename, "wb")) == NULL)
{
PrintError("can't open %s", filename);
free( data );
return -1;
}
rgbe_h.valid=-1;
strcpy(rgbe_h.programtype,"RADIANCE");
rgbe_h.gamma=1.0;
rgbe_h.exposure=1.0;
RGBE_WriteHeader(outfile, im->width,im->height, &rgbe_h);
RGBE_WritePixels(outfile,fdata, im->width * im->height );
fclose( outfile );
free( data );
return 0;
}
int readHDR ( Image *im, fullPath *sfile )
{
rgbe_header_info rgbe_h;
FILE * infile;
float *srcdata, *fdata;
char filename[256];
int i;
#ifdef __Mac__
unsigned char the_pcUnixFilePath[256];// added by Kekus Digital
Str255 the_cString;
Boolean the_bReturnValue;
CFStringRef the_FilePath;
CFURLRef the_Url;//till here
#endif
if( GetFullPath (sfile, filename))
return -1;
#ifdef __Mac__
CopyCStringToPascal(filename,the_cString);//Added by Kekus Digital
the_FilePath = CFStringCreateWithPascalString(kCFAllocatorDefault, the_cString, kCFStringEncodingUTF8);
the_Url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, the_FilePath, kCFURLHFSPathStyle, false);
the_bReturnValue = CFURLGetFileSystemRepresentation(the_Url, true, the_pcUnixFilePath, 256);
strcpy(filename, the_pcUnixFilePath);//till here
#endif
if ((infile = fopen(filename, "rb")) == NULL)
{
PrintError("can't open %s", filename);
return -1;
}
SetImageDefaults( im );
RGBE_ReadHeader(infile,&im->width,&im->height,&rgbe_h);
im->bitsPerPixel = 96;
im->bytesPerLine = im->width * 4 * 4;
im->dataSize = im->bytesPerLine * im->height;
im->data = (unsigned char**)mymalloc( (size_t)im->dataSize );
if( im->data == NULL )
{
PrintError("Not enough memory");
fclose( infile );
return -1;
}
RGBE_ReadPixels_RLE(infile,(float *)*im->data, im->width, im->height);
fdata=(float *)*im->data;
srcdata=(float *)*im->data;
fdata+=(im->width * im->height)*4;
srcdata+=(im->width * im->height)*3;
for(i=0;i<(im->width * im->height); i++) {
*(--fdata)=*(--srcdata);
*(--fdata)=*(--srcdata);
*(--fdata)=*(--srcdata);
*(--fdata)=1.0; // alpha
}
im->bitsPerPixel = 128;
fclose( infile );
return 0;
}
int panoHDRRead(Image *im, fullPath *sfile )
{
if (readHDR(im, sfile) == 0) {
return panoMetadataUpdateFromImage(im);
} else
return FALSE;
}