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pnmimage_base.h File Reference

#include "pandabase.h"
#include <string>

Go to the source code of this file.

Compounds

struct  pixel

Defines

#define PGM_BIGGRAYS
#define PGM_MAXMAXVAL   65535
#define PNM_MAXMAXVAL   PGM_MAXMAXVAL
#define PPM_GETR(p)   ((p).r)
#define PPM_GETG(p)   ((p).g)
#define PPM_GETB(p)   ((p).b)
#define PPM_PUTR(p, red)   ((p).r = (red))
#define PPM_PUTG(p, grn)   ((p).g = (grn))
#define PPM_PUTB(p, blu)   ((p).b = (blu))
#define PPM_ASSIGN(p, red, grn, blu)   { (p).r = (red); (p).g = (grn); (p).b = (blu); }
#define PPM_EQUAL(p, q)   ( (p).r == (q).r && (p).g == (q).g && (p).b == (q).b )
#define PNM_ASSIGN1(x, v)   PPM_ASSIGN(x,0,0,v)
#define PPM_DEPTH(newp, p, oldmaxval, newmaxval)

Typedefs

typedef unsigned short gray
typedef gray pixval
typedef pixel xel
typedef gray xelval

Functions

EXPCL_PANDA void pm_message (const char *format,...)
EXPCL_PANDA void pm_error (const char *format,...)
EXPCL_PANDA int pm_maxvaltobits (int maxval)
EXPCL_PANDA int pm_bitstomaxval (int bits)
EXPCL_PANDA char * pm_allocrow (int cols, int size)
EXPCL_PANDA void pm_freerow (char *itrow)
EXPCL_PANDA int pm_readbigshort (istream *in, short *sP)
EXPCL_PANDA int pm_writebigshort (ostream *out, short s)
EXPCL_PANDA int pm_readbiglong (istream *in, long *lP)
EXPCL_PANDA int pm_writebiglong (ostream *out, long l)
EXPCL_PANDA int pm_readlittleshort (istream *in, short *sP)
EXPCL_PANDA int pm_writelittleshort (ostream *out, short s)
EXPCL_PANDA int pm_readlittlelong (istream *in, long *lP)
EXPCL_PANDA int pm_writelittlelong (ostream *out, long l)

Variables

const double lumin_red = 0.299
const double lumin_grn = 0.587
const double lumin_blu = 0.114

Define Documentation

#define PGM_BIGGRAYS
 

Definition at line 35 of file pnmimage_base.h.

#define PGM_MAXMAXVAL   65535
 

Definition at line 39 of file pnmimage_base.h.

#define PNM_ASSIGN1 (  x,
v   )     PPM_ASSIGN(x,0,0,v)
 

Definition at line 67 of file pnmimage_base.h.

Referenced by PNMFileTypeJPG::Reader::read_data(), and PNMFileTypeJPG2000::Reader::read_data().

#define PNM_MAXMAXVAL   PGM_MAXMAXVAL
 

Definition at line 45 of file pnmimage_base.h.

Referenced by PNMFileTypeTIFF::Reader::Reader(), and PNMFileTypeSGI::Reader::Reader().

#define PPM_ASSIGN (  p,
red,
grn,
blu   )     { (p).r = (red); (p).g = (grn); (p).b = (blu); }
 

Definition at line 65 of file pnmimage_base.h.

Referenced by BMPreadrow(), box_filter_region(), PNMFileTypeTGA::Reader::get_map_entry(), PNMFileTypeTGA::Reader::get_pixel(), PNMFileTypeJPG::Reader::read_data(), PNMFileTypeJPG2000::Reader::read_data(), read_rgb(), read_rgba(), PNMFileTypeTIFF::Reader::read_row(), PNMFileTypeSGI::Reader::read_row(), PNMFileTypeIMG::Reader::read_row(), PNMFileTypeAlias::Reader::read_row(), and PNMFileTypeTIFF::Reader::Reader().

#define PPM_DEPTH (  newp,
p,
oldmaxval,
newmaxval   ) 
 

Value:

PPM_ASSIGN( (newp), \
        ( (int) PPM_GETR(p) * (newmaxval) + (oldmaxval) / 2 ) / (oldmaxval), \
        ( (int) PPM_GETG(p) * (newmaxval) + (oldmaxval) / 2 ) / (oldmaxval), \
        ( (int) PPM_GETB(p) * (newmaxval) + (oldmaxval) / 2 ) / (oldmaxval) )

Definition at line 69 of file pnmimage_base.h.

Referenced by PNMFileTypeTGA::Writer::put_map_entry(), PNMFileTypeTGA::Writer::put_mono(), and PNMFileTypeTGA::Writer::put_rgb().

#define PPM_EQUAL (  p,
q   )     ( (p).r == (q).r && (p).g == (q).g && (p).b == (q).b )
 

Definition at line 66 of file pnmimage_base.h.

Referenced by compare_rgb(), PNMFileTypeTGA::Writer::compute_runlengths(), ppm_addtocolorhist(), ppm_colorhisttocolorhash(), ppm_computecolorhash(), and ppm_lookupcolor().

#define PPM_GETB (  p   )     ((p).b)
 

Definition at line 59 of file pnmimage_base.h.

Referenced by BMPwriterow(), PNMFileTypeSGI::Writer::build_scanline(), compare_gray(), ppm_colorhisttocolorhash(), PNMFileTypeTGA::Writer::put_map_entry(), PNMFileTypeTGA::Writer::put_mono(), PNMFileTypeTGA::Writer::put_rgb(), PNMFileTypeTIFF::Writer::write_data(), PNMFileTypeJPG::Writer::write_data(), PNMFileTypeJPG2000::Writer::write_data(), PNMFileTypeBMP::Writer::write_data(), write_gray(), write_rgb(), PNMFileTypeIMG::Writer::write_row(), and PNMFileTypeAlias::Writer::write_row().

#define PPM_GETG (  p   )     ((p).g)
 

Definition at line 58 of file pnmimage_base.h.

Referenced by BMPwriterow(), PNMFileTypeSGI::Writer::build_scanline(), ppm_colorhisttocolorhash(), PNMFileTypeTGA::Writer::put_map_entry(), PNMFileTypeTGA::Writer::put_rgb(), PNMFileTypeTIFF::Writer::write_data(), PNMFileTypeJPG::Writer::write_data(), PNMFileTypeJPG2000::Writer::write_data(), PNMFileTypeBMP::Writer::write_data(), write_rgb(), PNMFileTypeIMG::Writer::write_row(), and PNMFileTypeAlias::Writer::write_row().

#define PPM_GETR (  p   )     ((p).r)
 

Definition at line 57 of file pnmimage_base.h.

Referenced by BMPwriterow(), PNMFileTypeSGI::Writer::build_scanline(), ppm_colorhisttocolorhash(), PNMFileTypeTGA::Writer::put_map_entry(), PNMFileTypeTGA::Writer::put_rgb(), PNMFileTypeTIFF::Writer::write_data(), PNMFileTypeJPG::Writer::write_data(), PNMFileTypeJPG2000::Writer::write_data(), PNMFileTypeBMP::Writer::write_data(), write_rgb(), PNMFileTypeIMG::Writer::write_row(), and PNMFileTypeAlias::Writer::write_row().

#define PPM_PUTB (  p,
blu   )     ((p).b = (blu))
 

Definition at line 63 of file pnmimage_base.h.

Referenced by PNMFileTypeTIFF::Reader::read_row(), PNMFileTypeSGI::Reader::read_row(), and PNMFileTypeAlias::Reader::read_row().

#define PPM_PUTG (  p,
grn   )     ((p).g = (grn))
 

Definition at line 62 of file pnmimage_base.h.

#define PPM_PUTR (  p,
red   )     ((p).r = (red))
 

Definition at line 61 of file pnmimage_base.h.

Typedef Documentation

typedef unsigned short gray
 

Definition at line 38 of file pnmimage_base.h.

typedef gray pixval
 

Definition at line 51 of file pnmimage_base.h.

Referenced by PNMFileTypeTGA::Reader::get_pixel(), PNMFileTypeTGA::Writer::put_mono(), PNMFileTypeTGA::Writer::put_rgb(), and PNMFileTypeBMP::Writer::write_data().

typedef pixel xel
 

Definition at line 52 of file pnmimage_base.h.

typedef gray xelval
 

Definition at line 53 of file pnmimage_base.h.

Referenced by box_filter_region(), PNMImage::clear(), PNMImage::copy_from(), PixelBuffer::load(), PNMImage::quick_filter_from(), read_alpha(), PNMFileTypeJPG::Reader::read_data(), PNMFileTypeJPG2000::Reader::read_data(), read_rgb(), read_rgba(), PNMFileTypeTIFF::Reader::read_row(), PNMFileTypeSGI::Reader::read_row(), PNMFileTypeIMG::Reader::read_row(), PNMFileTypeTIFF::Reader::Reader(), PNMImage::set_color_type(), PNMImage::set_maxval(), and PNMFileTypeTIFF::Writer::write_data().

Function Documentation

EXPCL_PANDA char* pm_allocrow (  int  cols,
int  size
) 
 

Definition at line 112 of file pnmimage_base.cxx.

Referenced by PNMFileTypeTGA::Writer::write_data().

EXPCL_PANDA int pm_bitstomaxval (  int  bits  ) 
 

Definition at line 103 of file pnmimage_base.cxx.

Referenced by pm_maxvaltobits(), and PNMFileTypeTIFF::Writer::write_data().

EXPCL_PANDA void pm_error (  const char *  format,
... 
) 
 

Definition at line 59 of file pnmimage_base.cxx.

References buffer, and format.

Referenced by BMPEncode(), BMPEncode24(), BMPlenfileheader(), BMPleninfoheader(), BMPlenline(), BMPlenrgbtable(), BMPreadbits(), BMPreadinfoheader(), BMPwritebits(), BMPwriteinfoheader(), BMPwritergb(), colorstobpp(), PNMFileTypeSGI::Writer::compress(), PNMFileTypeTGA::Reader::get_map_entry(), PNMFileTypeTGA::Reader::get_pixel(), PNMFileTypeTGA::Reader::getbyte(), GetByte(), GetLong(), GetShort(), ppm_alloccolorhash(), ppm_colorhashtocolorhist(), ppm_colorhisttocolorhash(), ppm_computecolorhash(), put_big_long(), put_big_short(), PNMFileTypeTGA::Writer::put_map_entry(), PNMFileTypeTGA::Writer::put_pixel(), PutByte(), PutLong(), PutShort(), read_channel(), PNMFileTypeTGA::Reader::Reader(), readto(), rle_decompress(), PNMFileTypeTGA::Writer::write_data(), PNMFileTypeBMP::Writer::write_data(), and xmalloc().

EXPCL_PANDA void pm_freerow (  char *  itrow  ) 
 

Definition at line 121 of file pnmimage_base.cxx.

Referenced by PNMFileTypeTGA::Writer::~Writer().

EXPCL_PANDA int pm_maxvaltobits (  int  maxval  ) 
 

Definition at line 88 of file pnmimage_base.cxx.

References pm_bitstomaxval().

Referenced by colorstobpp(), and PNMFileTypeTIFF::Writer::write_data().

EXPCL_PANDA void pm_message (  const char *  format,
... 
) 
 

Definition at line 33 of file pnmimage_base.cxx.

References buffer, and format.

Referenced by BMPreadinfoheader(), and PNMFileTypeBMP::Writer::write_data().

EXPCL_PANDA int pm_readbiglong (  istream *  in,
long *  lP
) 
 

Definition at line 144 of file pnmimage_base.cxx.

References reader().

Referenced by get_big_long(), read_float(), and read_ulong().

EXPCL_PANDA int pm_readbigshort (  istream *  in,
short *  sP
) 
 

Definition at line 130 of file pnmimage_base.cxx.

References reader().

Referenced by get_big_short(), read_ushort(), read_ushort_IMG(), and read_ushort_SI().

EXPCL_PANDA int pm_readlittlelong (  istream *  in,
long *  lP
) 
 

Definition at line 172 of file pnmimage_base.cxx.

References reader().

Referenced by GetLong().

EXPCL_PANDA int pm_readlittleshort (  istream *  in,
short *  sP
) 
 

Definition at line 158 of file pnmimage_base.cxx.

References reader().

Referenced by GetShort().

EXPCL_PANDA int pm_writebiglong (  ostream *  out,
long  l
) 
 

Definition at line 151 of file pnmimage_base.cxx.

References writer().

Referenced by put_big_long(), write_float(), and write_ulong().

EXPCL_PANDA int pm_writebigshort (  ostream *  out,
short  s
) 
 

Definition at line 137 of file pnmimage_base.cxx.

References s, and writer().

Referenced by put_big_short(), write_ushort(), write_ushort_IMG(), and write_ushort_SI().

EXPCL_PANDA int pm_writelittlelong (  ostream *  out,
long  l
) 
 

Definition at line 179 of file pnmimage_base.cxx.

References writer().

Referenced by PutLong().

EXPCL_PANDA int pm_writelittleshort (  ostream *  out,
short  s
) 
 

Definition at line 165 of file pnmimage_base.cxx.

References s, and writer().

Referenced by PutShort().

Variable Documentation

const double lumin_blu = 0.114 [static]
 

Definition at line 101 of file pnmimage_base.h.

const double lumin_grn = 0.587 [static]
 

Definition at line 100 of file pnmimage_base.h.

const double lumin_red = 0.299 [static]
 

Definition at line 99 of file pnmimage_base.h.

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