mirror of
https://github.com/isometimes/rpi4-osdev
synced 2024-11-08 19:30:39 +00:00
Added printf functionality in wgtprn.c, exercised in samples/wgt41.c
This commit is contained in:
parent
aacc63d586
commit
6f2d5352b1
4 changed files with 546 additions and 6 deletions
|
@ -1,6 +1,6 @@
|
|||
#include "mb.h"
|
||||
|
||||
#define NULL 0
|
||||
#define NULL ((void*)0)
|
||||
#define rgb(i,r,g,b) (i<<24)|(r<<16)|(g<<8)|b
|
||||
|
||||
typedef struct {
|
||||
|
@ -159,3 +159,6 @@ void msetbut (short event, short bnum);
|
|||
void msetbounds (short x1, short y1, short x2, short y2);
|
||||
void noclick();
|
||||
void wxorbox (short x, short y, short x2, short y2, unsigned char col);
|
||||
short wgettextwidth (char *string, wgtfont font);
|
||||
short wgettextheight (char *string, wgtfont font);
|
||||
void wgtprintf (short x, short y, wgtfont font, const char *fmt, ...);
|
||||
|
|
|
@ -38,20 +38,38 @@ void getch(void) {
|
|||
|
||||
// ######## WGT EXAMPLES ########
|
||||
|
||||
void wgt37()
|
||||
void wgt41()
|
||||
{
|
||||
set_clock_rate(get_max_clock());
|
||||
mem_init();
|
||||
vga256 (); /* Initialize graphics mode */
|
||||
|
||||
start_core2(minit); // Start the comms engine (core 2)
|
||||
while (!comms_up); // Wait for comms up
|
||||
char *message = malloc(15);
|
||||
message[0] = 'H';
|
||||
message[1] = 'e';
|
||||
message[2] = 'l';
|
||||
message[3] = 'l';
|
||||
message[4] = 'o';
|
||||
message[5] = ' ';
|
||||
message[6] = 'w';
|
||||
message[7] = 'o';
|
||||
message[8] = 'r';
|
||||
message[9] = 'l';
|
||||
message[10] = 'd';
|
||||
message[11] = '!';
|
||||
message[12] = '\0';
|
||||
|
||||
mdeinit (); /* Deinitialize the mouse handler */
|
||||
wtextcolor (vgapal[15]);
|
||||
|
||||
wgtprintf (0, 0, NULL, "%s", message);
|
||||
wgtprintf (0, 8, NULL, "String width : %i pixels", wgettextwidth (message, NULL));
|
||||
wgtprintf (0, 16, NULL, "String height: %i pixels", wgettextheight (message, NULL));
|
||||
|
||||
getch ();
|
||||
}
|
||||
|
||||
void main()
|
||||
{
|
||||
wgt37();
|
||||
wgt41();
|
||||
while (1);
|
||||
}
|
440
part12-wgt/wgt/wgtprn.c
Normal file
440
part12-wgt/wgt/wgtprn.c
Normal file
|
@ -0,0 +1,440 @@
|
|||
/* Copyright (c) 1986, 1988, 1991, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
* (c) UNIX System Laboratories, Inc.
|
||||
* All or some portions of this file are derived from material licensed
|
||||
* to the University of California by American Telephone and Telegraph
|
||||
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
|
||||
* the permission of UNIX System Laboratories, Inc.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)subr_prf.c 8.3 (Berkeley) 1/21/94
|
||||
*/
|
||||
|
||||
#include "../include/wgt.h"
|
||||
#include "../include/mem.h"
|
||||
|
||||
typedef unsigned long size_t;
|
||||
typedef long ssize_t;
|
||||
#ifdef __64BIT__
|
||||
typedef unsigned long long uintmax_t;
|
||||
typedef long long intmax_t;
|
||||
#else
|
||||
typedef unsigned int uintmax_t;
|
||||
typedef int intmax_t;
|
||||
#endif
|
||||
typedef unsigned char u_char;
|
||||
typedef unsigned int u_int;
|
||||
typedef unsigned long u_long;
|
||||
typedef unsigned short u_short;
|
||||
typedef unsigned long long u_quad_t;
|
||||
typedef long long quad_t;
|
||||
typedef unsigned long uintptr_t;
|
||||
typedef long ptrdiff_t;
|
||||
#define NBBY 8 /* number of bits in a byte */
|
||||
char const hex2ascii_data[] = "0123456789abcdefghijklmnopqrstuvwxyz";
|
||||
#define hex2ascii(hex) (hex2ascii_data[hex])
|
||||
#define va_list __builtin_va_list
|
||||
#define va_start __builtin_va_start
|
||||
#define va_arg __builtin_va_arg
|
||||
#define va_end __builtin_va_end
|
||||
#define toupper(c) ((c) - 0x20 * (((c) >= 'a') && ((c) <= 'z')))
|
||||
|
||||
/* Max number conversion buffer length: a u_quad_t in base 2, plus NUL byte. */
|
||||
#define MAXNBUF (sizeof(intmax_t) * NBBY + 1)
|
||||
|
||||
/*
|
||||
* Put a NUL-terminated ASCII number (base <= 36) in a buffer in reverse
|
||||
* order; return an optional length and a pointer to the last character
|
||||
* written in the buffer (i.e., the first character of the string).
|
||||
* The buffer pointed to by `nbuf' must have length >= MAXNBUF.
|
||||
*/
|
||||
static char *
|
||||
ksprintn(char *nbuf, uintmax_t num, int base, int *lenp, int upper)
|
||||
{
|
||||
char *p, c;
|
||||
|
||||
p = nbuf;
|
||||
*p = '\0';
|
||||
do {
|
||||
c = hex2ascii(num % base);
|
||||
*++p = upper ? toupper(c) : c;
|
||||
} while (num /= base);
|
||||
if (lenp)
|
||||
*lenp = p - nbuf;
|
||||
return (p);
|
||||
}
|
||||
|
||||
/*
|
||||
* Scaled down version of printf(3).
|
||||
*
|
||||
* Two additional formats:
|
||||
*
|
||||
* The format %b is supported to decode error registers.
|
||||
* Its usage is:
|
||||
*
|
||||
* printf("reg=%b\n", regval, "*");
|
||||
*
|
||||
* where is the output base expressed as a control character, e.g.
|
||||
* \10 gives octal; \20 gives hex. Each arg is a sequence of characters,
|
||||
* the first of which gives the bit number to be inspected (origin 1), and
|
||||
* the next characters (up to a control character, i.e. a character <= 32),
|
||||
* give the name of the register. Thus:
|
||||
*
|
||||
* kvprintf("reg=%b\n", 3, "\10\2BITTWO\1BITONE\n");
|
||||
*
|
||||
* would produce output:
|
||||
*
|
||||
* reg=3
|
||||
*
|
||||
* XXX: %D -- Hexdump, takes pointer and separator string:
|
||||
* ("%6D", ptr, ":") -> XX:XX:XX:XX:XX:XX
|
||||
* ("%*D", len, ptr, " " -> XX XX XX XX ...
|
||||
*/
|
||||
int
|
||||
kvprintf(char const *fmt, void (*func)(int, void*), void *arg, int radix, va_list ap)
|
||||
{
|
||||
#define PCHAR(c) {int cc=(c); if (func) (*func)(cc,arg); else *d++ = cc; retval++; }
|
||||
char nbuf[MAXNBUF];
|
||||
char *d;
|
||||
const char *p, *percent, *q;
|
||||
u_char *up;
|
||||
int ch, n;
|
||||
uintmax_t num;
|
||||
int base, lflag, qflag, tmp, width, ladjust, sharpflag, neg, sign, dot;
|
||||
int cflag, hflag, jflag, tflag, zflag;
|
||||
int dwidth, upper;
|
||||
char padc;
|
||||
int stop = 0, retval = 0;
|
||||
|
||||
num = 0;
|
||||
if (!func)
|
||||
d = (char *) arg;
|
||||
else
|
||||
d = NULL;
|
||||
|
||||
if (fmt == NULL)
|
||||
fmt = "(fmt null)\n";
|
||||
|
||||
if (radix < 2 || radix > 36)
|
||||
radix = 10;
|
||||
|
||||
for (;;) {
|
||||
padc = ' ';
|
||||
width = 0;
|
||||
while ((ch = (u_char)*fmt++) != '%' || stop) {
|
||||
if (ch == '\0')
|
||||
return (retval);
|
||||
PCHAR(ch);
|
||||
}
|
||||
percent = fmt - 1;
|
||||
qflag = 0; lflag = 0; ladjust = 0; sharpflag = 0; neg = 0;
|
||||
sign = 0; dot = 0; dwidth = 0; upper = 0;
|
||||
cflag = 0; hflag = 0; jflag = 0; tflag = 0; zflag = 0;
|
||||
reswitch: switch (ch = (u_char)*fmt++) {
|
||||
case '.':
|
||||
dot = 1;
|
||||
goto reswitch;
|
||||
case '#':
|
||||
sharpflag = 1;
|
||||
goto reswitch;
|
||||
case '+':
|
||||
sign = 1;
|
||||
goto reswitch;
|
||||
case '-':
|
||||
ladjust = 1;
|
||||
goto reswitch;
|
||||
case '%':
|
||||
PCHAR(ch);
|
||||
break;
|
||||
case '*':
|
||||
if (!dot) {
|
||||
width = va_arg(ap, int);
|
||||
if (width < 0) {
|
||||
ladjust = !ladjust;
|
||||
width = -width;
|
||||
}
|
||||
} else {
|
||||
dwidth = va_arg(ap, int);
|
||||
}
|
||||
goto reswitch;
|
||||
case '0':
|
||||
if (!dot) {
|
||||
padc = '0';
|
||||
goto reswitch;
|
||||
}
|
||||
case '1': case '2': case '3': case '4':
|
||||
case '5': case '6': case '7': case '8': case '9':
|
||||
for (n = 0;; ++fmt) {
|
||||
n = n * 10 + ch - '0';
|
||||
ch = *fmt;
|
||||
if (ch < '0' || ch > '9')
|
||||
break;
|
||||
}
|
||||
if (dot)
|
||||
dwidth = n;
|
||||
else
|
||||
width = n;
|
||||
goto reswitch;
|
||||
case 'b':
|
||||
num = (u_int)va_arg(ap, int);
|
||||
p = va_arg(ap, char *);
|
||||
for (q = ksprintn(nbuf, num, *p++, NULL, 0); *q;)
|
||||
PCHAR(*q--);
|
||||
|
||||
if (num == 0)
|
||||
break;
|
||||
|
||||
for (tmp = 0; *p;) {
|
||||
n = *p++;
|
||||
if (num & (1 << (n - 1))) {
|
||||
PCHAR(tmp ? ',' : '<');
|
||||
for (; (n = *p) > ' '; ++p)
|
||||
PCHAR(n);
|
||||
tmp = 1;
|
||||
} else
|
||||
for (; *p > ' '; ++p)
|
||||
continue;
|
||||
}
|
||||
if (tmp)
|
||||
PCHAR('>');
|
||||
break;
|
||||
case 'c':
|
||||
PCHAR(va_arg(ap, int));
|
||||
break;
|
||||
case 'D':
|
||||
up = va_arg(ap, u_char *);
|
||||
p = va_arg(ap, char *);
|
||||
if (!width)
|
||||
width = 16;
|
||||
while(width--) {
|
||||
PCHAR(hex2ascii(*up >> 4));
|
||||
PCHAR(hex2ascii(*up & 0x0f));
|
||||
up++;
|
||||
if (width)
|
||||
for (q=p;*q;q++)
|
||||
PCHAR(*q);
|
||||
}
|
||||
break;
|
||||
case 'd':
|
||||
case 'i':
|
||||
base = 10;
|
||||
sign = 1;
|
||||
goto handle_sign;
|
||||
case 'h':
|
||||
if (hflag) {
|
||||
hflag = 0;
|
||||
cflag = 1;
|
||||
} else
|
||||
hflag = 1;
|
||||
goto reswitch;
|
||||
case 'j':
|
||||
jflag = 1;
|
||||
goto reswitch;
|
||||
case 'l':
|
||||
if (lflag) {
|
||||
lflag = 0;
|
||||
qflag = 1;
|
||||
} else
|
||||
lflag = 1;
|
||||
goto reswitch;
|
||||
case 'n':
|
||||
if (jflag)
|
||||
*(va_arg(ap, intmax_t *)) = retval;
|
||||
else if (qflag)
|
||||
*(va_arg(ap, quad_t *)) = retval;
|
||||
else if (lflag)
|
||||
*(va_arg(ap, long *)) = retval;
|
||||
else if (zflag)
|
||||
*(va_arg(ap, size_t *)) = retval;
|
||||
else if (hflag)
|
||||
*(va_arg(ap, short *)) = retval;
|
||||
else if (cflag)
|
||||
*(va_arg(ap, char *)) = retval;
|
||||
else
|
||||
*(va_arg(ap, int *)) = retval;
|
||||
break;
|
||||
case 'o':
|
||||
base = 8;
|
||||
goto handle_nosign;
|
||||
case 'p':
|
||||
base = 16;
|
||||
sharpflag = (width == 0);
|
||||
sign = 0;
|
||||
num = (uintptr_t)va_arg(ap, void *);
|
||||
goto number;
|
||||
case 'q':
|
||||
qflag = 1;
|
||||
goto reswitch;
|
||||
case 'r':
|
||||
base = radix;
|
||||
if (sign)
|
||||
goto handle_sign;
|
||||
goto handle_nosign;
|
||||
case 's':
|
||||
p = va_arg(ap, char *);
|
||||
if (p == NULL)
|
||||
p = "(null)";
|
||||
if (!dot)
|
||||
n = strlen (p);
|
||||
else
|
||||
for (n = 0; n < dwidth && p[n]; n++)
|
||||
continue;
|
||||
|
||||
width -= n;
|
||||
|
||||
if (!ladjust && width > 0)
|
||||
while (width--)
|
||||
PCHAR(padc);
|
||||
while (n--)
|
||||
PCHAR(*p++);
|
||||
if (ladjust && width > 0)
|
||||
while (width--)
|
||||
PCHAR(padc);
|
||||
break;
|
||||
case 't':
|
||||
tflag = 1;
|
||||
goto reswitch;
|
||||
case 'u':
|
||||
base = 10;
|
||||
goto handle_nosign;
|
||||
case 'X':
|
||||
upper = 1;
|
||||
case 'x':
|
||||
base = 16;
|
||||
goto handle_nosign;
|
||||
case 'y':
|
||||
base = 16;
|
||||
sign = 1;
|
||||
goto handle_sign;
|
||||
case 'z':
|
||||
zflag = 1;
|
||||
goto reswitch;
|
||||
handle_nosign:
|
||||
sign = 0;
|
||||
if (jflag)
|
||||
num = va_arg(ap, uintmax_t);
|
||||
else if (qflag)
|
||||
num = va_arg(ap, u_quad_t);
|
||||
else if (tflag)
|
||||
num = va_arg(ap, ptrdiff_t);
|
||||
else if (lflag)
|
||||
num = va_arg(ap, u_long);
|
||||
else if (zflag)
|
||||
num = va_arg(ap, size_t);
|
||||
else if (hflag)
|
||||
num = (u_short)va_arg(ap, int);
|
||||
else if (cflag)
|
||||
num = (u_char)va_arg(ap, int);
|
||||
else
|
||||
num = va_arg(ap, u_int);
|
||||
goto number;
|
||||
handle_sign:
|
||||
if (jflag)
|
||||
num = va_arg(ap, intmax_t);
|
||||
else if (qflag)
|
||||
num = va_arg(ap, quad_t);
|
||||
else if (tflag)
|
||||
num = va_arg(ap, ptrdiff_t);
|
||||
else if (lflag)
|
||||
num = va_arg(ap, long);
|
||||
else if (zflag)
|
||||
num = va_arg(ap, ssize_t);
|
||||
else if (hflag)
|
||||
num = (short)va_arg(ap, int);
|
||||
else if (cflag)
|
||||
num = (char)va_arg(ap, int);
|
||||
else
|
||||
num = va_arg(ap, int);
|
||||
number:
|
||||
if (sign && (intmax_t)num < 0) {
|
||||
neg = 1;
|
||||
num = -(intmax_t)num;
|
||||
}
|
||||
p = ksprintn(nbuf, num, base, &tmp, upper);
|
||||
if (sharpflag && num != 0) {
|
||||
if (base == 8)
|
||||
tmp++;
|
||||
else if (base == 16)
|
||||
tmp += 2;
|
||||
}
|
||||
if (neg)
|
||||
tmp++;
|
||||
|
||||
if (!ladjust && padc != '0' && width
|
||||
&& (width -= tmp) > 0)
|
||||
while (width--)
|
||||
PCHAR(padc);
|
||||
if (neg)
|
||||
PCHAR('-');
|
||||
if (sharpflag && num != 0) {
|
||||
if (base == 8) {
|
||||
PCHAR('0');
|
||||
} else if (base == 16) {
|
||||
PCHAR('0');
|
||||
PCHAR('x');
|
||||
}
|
||||
}
|
||||
if (!ladjust && width && (width -= tmp) > 0)
|
||||
while (width--)
|
||||
PCHAR(padc);
|
||||
|
||||
while (*p)
|
||||
PCHAR(*p--);
|
||||
|
||||
if (ladjust && width && (width -= tmp) > 0)
|
||||
while (width--)
|
||||
PCHAR(padc);
|
||||
|
||||
break;
|
||||
default:
|
||||
while (percent < fmt)
|
||||
PCHAR(*percent++);
|
||||
/*
|
||||
* Since we ignore an formatting argument it is no
|
||||
* longer safe to obey the remaining formatting
|
||||
* arguments as the arguments will no longer match
|
||||
* the format specs.
|
||||
*/
|
||||
stop = 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
#undef PCHAR
|
||||
}
|
||||
|
||||
void
|
||||
wgtprintf (short x, short y, wgtfont font, const char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
va_start(ap, fmt);
|
||||
|
||||
char *buffer = malloc(251); /* Buffer to build string into*/
|
||||
kvprintf(fmt, NULL, (void *)buffer, 10, ap);
|
||||
wouttextxy (x, y, font, buffer);
|
||||
free(buffer);
|
||||
|
||||
va_end(ap);
|
||||
}
|
79
part12-wgt/wgt/wtextwh.c
Normal file
79
part12-wgt/wgt/wtextwh.c
Normal file
|
@ -0,0 +1,79 @@
|
|||
#include "../include/wgt.h"
|
||||
|
||||
short wgettextwidth (char *string, wgtfont font)
|
||||
{
|
||||
char asc;
|
||||
unsigned short ofs,width;
|
||||
short ctr;
|
||||
unsigned short totwidth;
|
||||
wgtfont orig;
|
||||
|
||||
totwidth = 0;
|
||||
|
||||
for (ctr = 0; ctr < strlen (string); ctr++)
|
||||
/* step through all letters */
|
||||
{
|
||||
asc = string[ctr];
|
||||
/* get ascii code of letter to count */
|
||||
|
||||
if ((font == NULL) & (string != NULL))
|
||||
/* default font is 8x8 */
|
||||
totwidth += 8;
|
||||
else
|
||||
{
|
||||
orig = font; /* start at font pr */
|
||||
font += 15; /* skip over header */
|
||||
ofs = *(short *)font; /* read integer offset of char table */
|
||||
font = orig; /* reset to ptr */
|
||||
font += ofs; /* move to offset of char table */
|
||||
font += 2*asc;
|
||||
/* go to offset in table of ascii code */
|
||||
ofs = *(short *)font; /* read integer offset (letter data) */
|
||||
font = orig; /* reset to ptr */
|
||||
font += ofs; /* move to offset of letter data */
|
||||
width = *(short *)font; /* read width and height of letter */
|
||||
totwidth += width; /* add the width to the total */
|
||||
font = orig;
|
||||
}
|
||||
}
|
||||
return totwidth;
|
||||
}
|
||||
|
||||
short wgettextheight (char *string, wgtfont font)
|
||||
{
|
||||
short asc;
|
||||
unsigned short ofs, height;
|
||||
short ctr;
|
||||
short maxheight;
|
||||
wgtfont orig;
|
||||
|
||||
maxheight = 0;
|
||||
orig = font;
|
||||
|
||||
if ((font == NULL) & (string != NULL))
|
||||
/* all chars in default font are 8x8 */
|
||||
maxheight = 8;
|
||||
else
|
||||
{
|
||||
for (ctr = 0; ctr < strlen (string); ctr++)
|
||||
{
|
||||
asc = string[ctr];
|
||||
font += 15; /* header */
|
||||
ofs = *(short *)font; /* read integer ofs */
|
||||
font = orig; /* reset */
|
||||
font += ofs; /* move to ofs */
|
||||
font += 2*asc; /* go to ofs of data */
|
||||
ofs = *(short *)font; /* read integer ofs */
|
||||
font = orig; /* reset */
|
||||
font += ofs; /* move to ofs */
|
||||
|
||||
font += 2; /* skip width */
|
||||
height = *(short *)font;
|
||||
|
||||
if (height > maxheight) /* return the maximum letter height */
|
||||
maxheight = height;
|
||||
font = orig;
|
||||
}
|
||||
}
|
||||
return maxheight;
|
||||
}
|
Loading…
Reference in a new issue