Tesseract  3.02
IMAGELINE Class Reference

#include <img.h>

List of all members.

Public Member Functions

COLOUR_PIX operator[] (inT32 index)
 IMAGELINE ()
void init (inT32 width)
 ~IMAGELINE ()
void set_bpp (inT8 new_bpp)
void init ()

Public Attributes

uinT8pixels
 image pixels
inT8 bpp
 bits per pixel

Friends

void IMAGE::get_line (inT32 x, inT32 y, inT32 width, IMAGELINE *linebuf, inT32 margins)
void IMAGE::get_column (inT32 x, inT32 y, inT32 height, IMAGELINE *linebuf, inT32 margins)
void IMAGE::put_line (inT32 x, inT32 y, inT32 width, IMAGELINE *linebuf, inT32 margins)
void IMAGE::put_column (inT32 x, inT32 y, inT32 height, IMAGELINE *linebuf, inT32 margins)
void IMAGE::fast_get_line (inT32 x, inT32 y, inT32 width, IMAGELINE *linebuf)
void IMAGE::fast_put_line (inT32 x, inT32 y, inT32 width, IMAGELINE *linebuf)

Detailed Description

Definition at line 325 of file img.h.


Constructor & Destructor Documentation

IMAGELINE::IMAGELINE ( ) [inline]

default constructor

Definition at line 337 of file img.h.

                {
      linewidth = 0;
      line = NULL;
      pixels = line;
      bpp = 8;
    }
IMAGELINE::~IMAGELINE ( ) [inline]

Definition at line 356 of file img.h.

                  {              //destructor
      if (line != NULL)
        free_mem(line);
    }

Member Function Documentation

void IMAGELINE::init ( inT32  width) [inline]

Definition at line 343 of file img.h.

                           {  //size of line
      if (width <= 0)
        width = MAXIMAGEWIDTH;
      if (width > linewidth) {
        if (line != NULL)
          free_mem(line);
        linewidth = width;
        line = (uinT8 *) alloc_mem (linewidth * sizeof (uinT8));
      }
      pixels = line;
      bpp = 8;
    }
void IMAGELINE::init ( ) [inline]

Definition at line 369 of file img.h.

                {
      if (line == NULL)
        init (0);
      else {
        pixels = line;
        bpp = 8;
      }
    }
COLOUR_PIX IMAGELINE::operator[] ( inT32  index) [inline]

colour pixels

Definition at line 331 of file img.h.

                 {
      return &pixels[index * 3]; //coercion access op
    }
void IMAGELINE::set_bpp ( inT8  new_bpp) [inline]

For colour

Definition at line 362 of file img.h.

                               {
      if (new_bpp <= 8)
        bpp = 8;
      else
        bpp = 24;
    }

Friends And Related Function Documentation

void IMAGE::fast_get_line ( inT32  x,
inT32  y,
inT32  width,
IMAGELINE linebuf 
) [friend]
Note:
may just change pointer
Parameters:
xcoord to start at
yline to get
widthno of pixels to get
linebufline to copy to
void IMAGE::fast_put_line ( inT32  x,
inT32  y,
inT32  width,
IMAGELINE linebuf 
) [friend]
Note:
may just change pointer
Parameters:
xcoord to start at
yline to get
widthno of pixels to put
linebufline to copy to
void IMAGE::get_column ( inT32  x,
inT32  y,
inT32  height,
IMAGELINE linebuf,
inT32  margins 
) [friend]

copies a column

Parameters:
xcoord to start at
yline to get
heightno of pixels to get
linebufline to copy to
marginssize of margins
void IMAGE::get_line ( inT32  x,
inT32  y,
inT32  width,
IMAGELINE linebuf,
inT32  margins 
) [friend]

copies a line

Parameters:
xcoord to start at
yline to get
widthno of pixels to get
linebufline to copy to
marginssize of margins
void IMAGE::put_column ( inT32  x,
inT32  y,
inT32  height,
IMAGELINE linebuf,
inT32  margins 
) [friend]

writes a column

Parameters:
xcoord to start at
yline to get
heightno of pixels to put
linebufline to copy to
marginssize of margins
void IMAGE::put_line ( inT32  x,
inT32  y,
inT32  width,
IMAGELINE linebuf,
inT32  margins 
) [friend]

writes a line

Parameters:
xcoord to start at
yline to get
widthno of pixels to put
linebufline to copy to
marginssize of margins

Member Data Documentation

bits per pixel

Definition at line 329 of file img.h.

image pixels

Definition at line 328 of file img.h.


The documentation for this class was generated from the following file: