1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179
|
#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;
}
|