diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /dviware/dvi2pcl/downloadchar.c |
Initial commit
Diffstat (limited to 'dviware/dvi2pcl/downloadchar.c')
-rw-r--r-- | dviware/dvi2pcl/downloadchar.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/dviware/dvi2pcl/downloadchar.c b/dviware/dvi2pcl/downloadchar.c new file mode 100644 index 0000000000..a3f6dc9b0e --- /dev/null +++ b/dviware/dvi2pcl/downloadchar.c @@ -0,0 +1,149 @@ +/* $Log: downloadchar.c,v $ + * Revision 0.8 92/11/23 19:46:43 19:46:43 bt (Bo Thide') + * Fixed resolution bug. Portable downloading. Added/changed options. PJXL color support + * + * Revision 0.7 92/11/13 02:41:27 02:41:27 bt (Bo Thide') + * More bug fixes and improvements. Support for PaintJet XL + * + * Revision 0.6 92/11/10 21:47:43 21:47:43 bt (Bo Thide') + * Bug fixes. Added -R option. Better font handling. + * + * Revision 0.5 92/11/09 16:25:30 16:25:30 bt (Bo Thide') + * Rewrite of dospecial.c. Extended \special support + * + * Revision 0.4 92/11/08 02:45:45 02:45:45 bt (Bo Thide') + * Changed to portable bit manipulations. Replaced strrstr for non-POSIX compliant C. Fixed numerous bugs. Added support for more \special's. + * + * Revision 0.3 92/08/24 12:45:38 12:45:38 bt (Bo Thide') + * Fixed 8 bit (dc font) support. + * + * Revision 0.2 92/08/23 17:28:56 17:28:56 bt (Bo Thide') + * Source cleaned up. Changed certain function calls. Removed globals. + * + * Revision 0.1 92/08/22 23:58:47 23:58:47 bt (Bo Thide') + * First Release. + * */ + +/* + * Download character 'c', assuming that the corresponding font file is in + * .pk format. Therefore, 'pktopxl(c)' is called which converts the pk-coded + * character into the corresponding byte aligned pixel pattern, stored in + * 'pxlbuffer'. 'pktopxl(c)' also determines the global variables + * c_width, c_height, c_hoffset, c_voffset. + * + * For landscape mode the pixel pattern then will be rotated and stored at + * the end of the character pixel pattern at 'endofchardata' in pxlbuffer. + * The appropriate pixel pattern then is downloaded, i.e is put in bitfile, + * if possible, including the corresponding character descriptor for the + * printer. For those characters which don't fit into the printer's maximum + * character cell (use_count < 0) raster information is stored in *gfont + * and memory space is allocated to store the corresponding pixel pattern. + * Stored characters are drawn in graphics mode by 'drawchar(c)'. + */ + +#include <stdio.h> +#include <stdlib.h> +#include "globals.h" +#include "pcl.h" + +static char rcsid[] = "$Header: downloadchar.c,v 0.8 92/11/23 19:46:43 bt Exp $"; + + +int downloadchar(bitfile, c, device) +FILE *bitfile; +int c; +short device; +{ + int i; + charfmt *u; + int length; + int width_bytes; + int width, height; + byte *p; + + pktopxl(c); + + /* Determine the char descriptor values */ + cd.format = 4; + cd.continuation = 0; + cd.size = 14; + cd.class = 1; + cd.reserved = 0; + if(landscape){ + p = (byte *)rotatechar(); + width = c_height; + height = c_width; + cd.orientation = '\1'; + cd.left_offset = -c_voffset; + cd.top_offset = height - c_hoffset - 1; + } + else{ + width = c_width; + height = c_height; + cd.orientation = '\0'; + cd.left_offset = -c_hoffset; + cd.top_offset = c_voffset; + p = pxlbuffer; + } + width_bytes = (width + 7) / 8; + length = height*width_bytes; + + /* This is for empty characters */ + if(!length) { + length = 1; + if(!width) + width=1; + if(!height) { + height = 1; + cd.top_offset = 1; + } + } + + u = cbase + c; + cd.char_width = (ushort)width; + cd.char_height = (ushort)height; + cd.delta_x = (short)(4*u->pxl_width); /* In quarterdots! */ + if(device == DEV_LJPLUS) { + if(c <= 32) + c += 160; + } + +#ifdef DEBUG2 +fprintf(stderr,"downloadchar: cd.format = %d\n", cd.format); +fprintf(stderr,"downloadchar: cd.continuation = %d\n", cd.continuation); +fprintf(stderr,"downloadchar: cd.size = %d\n", cd.size); +fprintf(stderr,"downloadchar: cd.class = %d\n", cd.class); +fprintf(stderr,"downloadchar: cd.orientation = %d\n", cd.orientation); +fprintf(stderr,"downloadchar: cd.reserved = %d\n", cd.reserved); +fprintf(stderr,"downloadchar: cd.left_offset = %d\n", cd.left_offset); +fprintf(stderr,"downloadchar: cd.top_offset = %d\n", cd.top_offset); +fprintf(stderr,"downloadchar: cd.char_width = %d\n", cd.char_width); +fprintf(stderr,"downloadchar: cd.char_height = %d\n", cd.char_height); +fprintf(stderr,"downloadchar: cd.delta_x = %d\n", cd.delta_x); +#endif /* DEBUG2 */ + + /* Send character ID escape sequence to printer */ + fprintf(bitfile, PCL4_CHAR_ID, c, length + (int)cd.size + 2); + + /* + * Download each char descriptor value individually to avoid + * possible struct alignment problems. + */ + fwrite((void *)&cd.format, sizeof(cd.format), 1, bitfile); + fwrite((void *)&cd.continuation, sizeof(cd.continuation), 1, bitfile); + fwrite((void *)&cd.size, sizeof(cd.size), 1, bitfile); + fwrite((void *)&cd.class, sizeof(cd.class), 1, bitfile); + fwrite((void *)&cd.orientation, sizeof(cd.orientation), 1, bitfile); + fwrite((void *)&cd.reserved, sizeof(cd.reserved), 1, bitfile); + fwrite((void *)&cd.left_offset, sizeof(cd.left_offset), 1, bitfile); + fwrite((void *)&cd.top_offset, sizeof(cd.top_offset), 1, bitfile); + fwrite((void *)&cd.char_width, sizeof(cd.char_width), 1, bitfile); + fwrite((void *)&cd.char_height, sizeof(cd.char_height), 1, bitfile); + fwrite((void *)&cd.delta_x, sizeof(cd.delta_x), 1, bitfile); + + /* Now download pixel pattern for c */ + for(i = 0 ; i < length ; i++) + putc(*p++, bitfile); + + return(height*((width + 7)/8) + (int)cd.size + 2); +} |