src/add-ons/translators/ppm/colorspace.h

   1 /*      colorspace.h    */
   2 /*
   3         Copyright 1999, Be Incorporated.   All Rights Reserved.
   4         This file may be used under the terms of the Be Sample Code License.
   5 */
   6
   7 #if !defined(COLORSPACE_H)
   8 #define COLORSPACE_H
   9
  10
  11 /*      This is the main conversion function; it converts data in in_data       */
  12 /*      with rowbytes amount of pixel data into some other color space in       */
  13 /*      out_data, with enough memory assumed to be in out_data for the          */
  14 /*      converted data. */
  15 status_t convert_space(color_space in_space, color_space out_space,
  16         unsigned char * in_data, int rowbytes, unsigned char * out_data);
  17
  18 /*      This function expands rowbytes amount of data from in_data into         */
  19 /*      RGBA32 data in out_buf, which must be big enough.                                       */
  20 int expand_data(color_space from_space, unsigned char * in_data,
  21         int rowbytes, unsigned char * out_buf);
  22
  23 /*      This function converts num_bytes bytes of RGBA32 data into some new     */
  24 /*      color space in out_buf, where out_buf must be big enough.                       */
  25 int collapse_data(unsigned char * in_buf, int num_bytes,
  26         color_space out_space, unsigned char * out_buf);
  27
  28 /*      Given a specific number of pixels in width in the color space space     */
  29 /*      this function calculates what the row_bytes should be.                          */
  30 int calc_rowbytes(color_space space, int width);
  31
  32 #endif /* COLORSPACE_H */