mangavalk/lcdproc
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Lib update.

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Added vbar and hbar functions that use a statically defined custom charset.
Let the lib heartbeat function use the new icon function.
This commit is contained in:
robijn
2002-02-08 00:05:02 +00:00
parent f3dbc1d06d
commit 085b539d34
2 changed files with 71 additions and 7 deletions
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server/drivers/lcd_lib.c
+67 -7
View File
@@ -1,13 +1,9 @@
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <termios.h>
#include <fcntl.h>
#include <string.h>
#include <sys/errno.h>
#include "lcd.h"
#include "render.h"
// ==================================================
// LCD library of useful functions for drivers
@@ -18,7 +14,6 @@
// TODO: What should this really be? Probably should be in the
// driver code or headers or something...
#define MAX_CUSTOM_CHARS 16
/*
ANY DRIVER SHOULD SIMPLY FREE ITS FRAMEBUFFER AT CLOSE()
@@ -148,10 +143,75 @@ output_heartbeat (struct lcd_logical_driver *driver, int type) {
*/
// change display...
driver->flush (driver);
//driver->flush (driver);
}
timer++;
timer &= 0x0f;
}
void
lib_hbar_static (Driver *drvthis, int x, int y, int len, int promille, int options, int cellwidth, int cc_offset)
/*
* This function places a hbar using the v0.5 API format and the given cellwidth.
* It assumes that custom chars have been statically defined, so that number
* 1 has 1 pixel, number 2 has 2 etc...
* LCDs that have the custom chars at other char numbers than 0 should put the
* first custom char number in cc_offset.
*/
{
int total_pixels = ((long) 2 * len * cellwidth + 1 ) * promille / 2000;
int pos;
for (pos = 0; pos < len; pos ++ ) {
int pixels = total_pixels - cellwidth * pos;
if( pixels >= cellwidth ) {
/* write a "full" block to the screen... */
drvthis->icon (drvthis, x+pos, y, ICON_BLOCK_FILLED);
}
else if( pixels > 0 ) {
/* write a partial block... */
drvthis->chr (drvthis, x+pos, y, pixels + cc_offset);
break;
}
else {
; /* write nothing (not even a space) */
}
}
}
void
lib_vbar_static (Driver *drvthis, int x, int y, int len, int promille, int options, int cellheight, int cc_offset)
/*
* This function places a vbar using the v0.5 API format and the given cellwidth.
* It assumes that custom chars have been statically defined, so that number
* 1 has 1 pixel, number 2 has 2 etc., just like in good old times...
* LCDs that have the custom chars at other char numbers than 0 should put the
* first custom char number in cc_offset.
*/
{
int total_pixels = ((long) 2 * len * cellheight + 1 ) * promille / 2000;
int pos;
for (pos = 0; pos < len; pos ++ ) {
int pixels = total_pixels - cellheight * pos;
if( pixels >= cellheight ) {
/* write a "full" block to the screen... */
drvthis->icon (drvthis, x, y-pos, ICON_BLOCK_FILLED);
}
else if( pixels > 0 ) {
/* write a partial block... */
drvthis->chr (drvthis, x, y-pos, pixels + cc_offset);
break;
}
else {
; /* write nothing (not even a space) */
}
}
}
server/drivers/lcd_lib.h
+4
View File
@@ -7,5 +7,9 @@
int new_framebuf (struct lcd_logical_driver *driver, char *oldbuf);
void output_heartbeat (struct lcd_logical_driver *driver, int type);
void lib_hbar_static (Driver *drvthis, int x, int y, int len, int promille, int options, int cellwidth, int cc_offset);
void lib_vbar_static (Driver *drvthis, int x, int y, int len, int promille, int options, int cellheight, int cc_offset);
#endif