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#ifndef lint |
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static const char RCSid[] = "$Id: imPfuncs.c,v 1.3 2004/03/28 20:33:13 schorsch Exp $"; |
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#endif |
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/* |
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* imPfuncs - functional interface to imPress, support for imPfuncs.h |
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* |
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* Written by William LeFebvre, LCSE, Rice University |
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* |
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* This program can be freely redistributed to anyone, with the following |
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* provisions: that this comment remain intact, and that no money is |
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* charged or collected for that redistribution. |
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*/ |
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|
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#include <stdio.h> |
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#include <varargs.h> |
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#include "imPcodes.h" |
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#include "imPfuncs.h" |
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|
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/* commands with byte operands */ |
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|
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/* im_b(code, b) is defined in imPfuncs.h */ |
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|
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/* commands with word operands: */ |
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|
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|
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void |
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im_w( |
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int code, |
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unsigned int w |
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) |
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|
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{ |
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putc(code, imout); |
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im_putword(w); |
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} |
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|
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|
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void |
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im_www( |
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int code, |
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unsigned int wa, |
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unsigned int wb, |
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unsigned int wc |
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) |
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|
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{ |
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putc(code, imout); |
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im_putword(wa); |
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im_putword(wb); |
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im_putword(wc); |
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} |
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|
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|
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void |
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im_wwwww( |
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int code, |
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unsigned int wa, |
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unsigned int wb, |
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unsigned int wc, |
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unsigned int wd, |
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unsigned int we |
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) |
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|
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{ |
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putc(code, imout); |
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im_putword(wa); |
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im_putword(wb); |
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im_putword(wc); |
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im_putword(wd); |
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im_putword(we); |
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} |
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|
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/* commands with bit operands: */ |
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|
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void |
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im_21( /* pads 5 bits on left */ |
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int code, |
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unsigned int b2, |
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unsigned int b1 |
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) |
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|
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{ |
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putc(code, imout); |
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im_putbyte((b2 << 1) | b1); |
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} |
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|
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|
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void |
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im_223( /* pads 1 bit on left */ |
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int code, |
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unsigned int b2a, |
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unsigned int b2b, |
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unsigned int b3 |
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) |
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|
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{ |
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putc(code, imout); |
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im_putbyte((b2a << 5) | (b2b << 3) | b3); |
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} |
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|
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|
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void |
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im_77( /* pads 2 bits on left */ |
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int code, |
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unsigned int b7a, |
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unsigned int b7b |
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) |
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|
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{ |
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putc(code, imout); |
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im_putword((b7a << 7) | b7b); |
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} |
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|
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|
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void |
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im_putstring( |
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char *string |
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) |
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|
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{ |
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fputs(string, imout); |
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im_putbyte(0); |
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} |
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|
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|
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extern void |
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imCreateFamilyTable(va_alist) |
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|
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va_dcl |
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|
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{ |
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va_list vars; |
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unsigned int family; |
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unsigned int pairs; |
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unsigned int map_name; |
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char *font_name; |
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|
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va_start(vars); |
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|
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/* first arguments are: family, pairs */ |
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family = va_arg(vars, unsigned int); |
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pairs = va_arg(vars, unsigned int); |
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|
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/* write the first part of the command */ |
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putc(imP_CREATE_FAMILY_TABLE, imout); |
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im_putbyte(family); |
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im_putbyte(pairs); |
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|
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/* write each map_name, font_name pair */ |
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while (pairs-- > 0) |
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{ |
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map_name = va_arg(vars, unsigned int); |
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im_putbyte(map_name); |
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font_name = va_arg(vars, char *); |
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im_putstring(font_name); |
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} |
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|
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va_end(vars); |
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} |
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|
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|
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extern void |
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imCreatePath(va_alist) |
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|
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va_dcl |
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|
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{ |
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va_list vars; |
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int count; |
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int h; |
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int v; |
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|
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va_start(vars); |
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|
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/* first argument is vertex-count */ |
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count = va_arg(vars, int); |
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|
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/* write the first part of the command */ |
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putc(imP_CREATE_PATH, imout); |
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im_putword(count); |
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|
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/* write each vertex pair */ |
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while (count-- > 0) |
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{ |
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h = va_arg(vars, int); |
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im_putword(h); |
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v = va_arg(vars, int); |
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im_putword(v); |
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} |
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} |
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|
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|
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void |
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imCreatePathV( |
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unsigned int count, |
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unsigned int *vec |
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) |
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|
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{ |
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/* write the first part of the command */ |
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putc(imP_CREATE_PATH, imout); |
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im_putword(count); |
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|
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/* write each vertex pair */ |
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while (count-- > 0) |
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{ |
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im_putword(*vec); /* these are macros... */ |
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vec++; /* so im_putword(*vec++) won't always work */ |
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im_putword(*vec); |
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vec++; |
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} |
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} |
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|
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#ifdef notyet |
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/* stuff we still have to do: */ |
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imBitmap(...) |
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#endif |
