144   ppm_source_ptr source = (ppm_source_ptr) sinfo;  in get_text_gray_row()  local
145   FILE * infile = source->pub.input_file;  in get_text_gray_row()
147   register JSAMPLE *rescale = source->rescale;  in get_text_gray_row()
150   ptr = source->pub.buffer[0];  in get_text_gray_row()
162   ppm_source_ptr source = (ppm_source_ptr) sinfo;  in get_text_rgb_row()  local
163   FILE * infile = source->pub.input_file;  in get_text_rgb_row()
165   register JSAMPLE *rescale = source->rescale;  in get_text_rgb_row()
168   ptr = source->pub.buffer[0];  in get_text_rgb_row()
182   ppm_source_ptr source = (ppm_source_ptr) sinfo;  in get_scaled_gray_row()  local
185   register JSAMPLE *rescale = source->rescale;  in get_scaled_gray_row()
188   if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width))  in get_scaled_gray_row()
190   ptr = source->pub.buffer[0];  in get_scaled_gray_row()
191   bufferptr = source->iobuffer;  in get_scaled_gray_row()
203   ppm_source_ptr source = (ppm_source_ptr) sinfo;  in get_scaled_rgb_row()  local
206   register JSAMPLE *rescale = source->rescale;  in get_scaled_rgb_row()
209   if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width))  in get_scaled_rgb_row()
211   ptr = source->pub.buffer[0];  in get_scaled_rgb_row()
212   bufferptr = source->iobuffer;  in get_scaled_rgb_row()
229   ppm_source_ptr source = (ppm_source_ptr) sinfo;  in get_raw_row()  local
231   if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width))  in get_raw_row()
241   ppm_source_ptr source = (ppm_source_ptr) sinfo;  in get_word_gray_row()  local
244   register JSAMPLE *rescale = source->rescale;  in get_word_gray_row()
247   if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width))  in get_word_gray_row()
249   ptr = source->pub.buffer[0];  in get_word_gray_row()
250   bufferptr = source->iobuffer;  in get_word_gray_row()
265   ppm_source_ptr source = (ppm_source_ptr) sinfo;  in get_word_rgb_row()  local
268   register JSAMPLE *rescale = source->rescale;  in get_word_rgb_row()
271   if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width))  in get_word_rgb_row()
273   ptr = source->pub.buffer[0];  in get_word_rgb_row()
274   bufferptr = source->iobuffer;  in get_word_rgb_row()
298   ppm_source_ptr source = (ppm_source_ptr) sinfo;  in start_input_ppm()  local
303   if (getc(source->pub.input_file) != 'P')  in start_input_ppm()
306   c = getc(source->pub.input_file); /* subformat discriminator character */  in start_input_ppm()
321   w = read_pbm_integer(cinfo, source->pub.input_file);  in start_input_ppm()
322   h = read_pbm_integer(cinfo, source->pub.input_file);  in start_input_ppm()
323   maxval = read_pbm_integer(cinfo, source->pub.input_file);  in start_input_ppm()
342     source->pub.get_pixel_rows = get_text_gray_row;  in start_input_ppm()
350     source->pub.get_pixel_rows = get_text_rgb_row;  in start_input_ppm()
359       source->pub.get_pixel_rows = get_word_gray_row;  in start_input_ppm()
361       source->pub.get_pixel_rows = get_raw_row;  in start_input_ppm()
365       source->pub.get_pixel_rows = get_scaled_gray_row;  in start_input_ppm()
374       source->pub.get_pixel_rows = get_word_rgb_row;  in start_input_ppm()
376       source->pub.get_pixel_rows = get_raw_row;  in start_input_ppm()
380       source->pub.get_pixel_rows = get_scaled_rgb_row;  in start_input_ppm()
387     source->buffer_width = (size_t) w * cinfo->input_components *  in start_input_ppm()
389     source->iobuffer = (U_CHAR *)  in start_input_ppm()
391 				  source->buffer_width);  in start_input_ppm()
399     source->pixrow = (JSAMPROW) source->iobuffer;  in start_input_ppm()
400     source->pub.buffer = & source->pixrow;  in start_input_ppm()
401     source->pub.buffer_height = 1;  in start_input_ppm()
404     source->pub.buffer = (*cinfo->mem->alloc_sarray)  in start_input_ppm()
407     source->pub.buffer_height = 1;  in start_input_ppm()
415     source->rescale = (JSAMPLE *)  in start_input_ppm()
421       source->rescale[val] = (JSAMPLE) ((val*MAXJSAMPLE + half_maxval)/maxval);  in start_input_ppm()
445   ppm_source_ptr source;  in jinit_read_ppm()  local
448   source = (ppm_source_ptr)  in jinit_read_ppm()
452   source->pub.start_input = start_input_ppm;  in jinit_read_ppm()
453   source->pub.finish_input = finish_input_ppm;  in jinit_read_ppm()
455   return (cjpeg_source_ptr) source;  in jinit_read_ppm()