/*
Write a bitmap.
Given an open FILE pointer to an file and a pointer to a bitmap,
write the header and the bitmap. Return 0 on failure, positive on
success.
*/
int bitmapwrite(FILE *fp, BITMAP *bp)
{
char *datap;
int w, h;
unsigned char d;
struct b_header head;
int sizefile1; /* the size of 1 line of the bitmap as stored in a file, in bytes */
int sizemem1; /* the size of 1 line of the bitmap as stored in memory, in bytes */
w = BIT_WIDE(bp);
h = BIT_HIGH(bp);
d = BIT_DEPTH(bp);
B_PUTHDR8(&head, w, h, d);
sizefile1 = B_SIZE8(w, 1, d);
if (fwrite((char *)&head, sizeof head, 1, fp) != 1)
return 0;
sizemem1 = bit_linesize(w, d);
datap = (char *)BIT_DATA(bp);
while (h-- > 0) {
if (fwrite(datap, sizefile1, 1, fp) != 1)
return 0;
datap += sizemem1;
}
return (1);
}
/*{{{ log_alloc -- log bit_alloc*/
void log_alloc(BITMAP *bp)
{
int id;
id = get_mid();
bp->id = id;
reg_map(bp);
if (do_save)
SEND_data(id, BIT_WIDE(bp), BIT_HIGH(bp), BIT_DATA(bp));
}
/*{{{ bit_save -- convert bitmap data to external format*/
void *bit_save(BITMAP *bp)
{
int portable_size = B_SIZE8(BIT_WIDE(bp), 1, BIT_DEPTH(bp));
int bitmap_size = bit_linesize(BIT_WIDE(bp), BIT_DEPTH(bp));
int i;
char *r, *map;
char *s = (char *)BIT_DATA(bp);
if ((r = map = malloc(BIT_HIGH(bp) * portable_size)) == NULL)
return NULL;
for (i = 0; i < BIT_HIGH(bp); i++, r += portable_size, s += bitmap_size)
memcpy(r, s, portable_size);
return (void *)map;
}
/*{{{ main*/
int main(int argc, char *argv[])
{
/*{{{ variables*/
enum { NOTHING, LOCAL, REMOTE } in=NOTHING;
int c;
int x,y;
int mouse_x,mouse_y;
int image_width,image_height;
int image_xoffset=0,image_yoffset=0;
int my_width,my_height;
int err=0,usage=0;
BITMAP *bp;
FILE *input;
static struct menu_entry menu[] = { { "quit","q" } };
char file[_POSIX_PATH_MAX];
/*}}} */
/*{{{ parse arguments*/
while ((c=getopt(argc,argv,"l:r:"))!=EOF)
{
switch (c)
{
/*{{{ l file*/
case 'l':
{
if ((input=fopen(optarg,"r"))==(FILE*)0)
{
fprintf(stderr,"%s: Can't open %s\r\n",argv[0],optarg);
err=1;
}
else in=LOCAL;
break;
}
/*}}} */
/*{{{ r file*/
case 'r':
{
char *cwd;
in=REMOTE;
if (*optarg!='/' && *optarg!='.')
{
if ((cwd=getcwd((char*)0,(size_t)0))!=(char*)0) { strcpy(file,cwd); strcat(file,"/"); strcat(file,optarg); }
else { fprintf(stderr,"%s: Can't get current directory\r\n",argv[0]); err=1; }
}
else strcpy(file,optarg);
break;
}
/*}}} */
/*{{{ default*/
default:
{
usage=1;
break;
}
/*}}} */
}
}
if (err) exit(err);
if (usage || optind!=argc)
{
fprintf(stderr,"Usage: mgrview [-l file | -r file]\n");
exit(1);
}
if (in==NOTHING) { in=LOCAL; input=stdin; }
/*}}} */
/*{{{ setup*/
ckmgrterm(argv[0]);
m_setup(M_MODEOK);
signal(SIGINT,clean);
signal(SIGTERM,clean);
signal(SIGPIPE,clean);
m_ttyset();
m_push(P_MENU|P_EVENT|P_FLAGS);
m_setmode(M_ABS);
m_setcursor(CS_INVIS);
menu_load(1,1,menu);
m_setevent(REDRAW, "R");
m_setevent(RESHAPE, "R");
m_setevent(BUTTON_1,"[%p]");
m_setevent(BUTTON_2,"m");
m_flush();
/*}}} */
if (in==LOCAL)
{
/*{{{ load bitmap to client space*/
if ((bp=bitmapread(input))==(BITMAP*)0)
{
fprintf(stderr,"%s: No MGR bitmap.\r\n",argv[0]);
clean(1);
}
image_width=BIT_WIDE(bp);
image_height=BIT_HIGH(bp);
/*}}} */
/*{{{ transfer bitmap to server space*/
m_func(BIT_SRC);
m_bitcreate(IMAGE_BITMAP,image_width,image_height);
m_bitldto(image_width,image_height,0,0,IMAGE_BITMAP,bit_size(image_width,image_height,BIT_DEPTH(bp)));
fwrite(BIT_DATA(bp),bit_size(image_width,image_height,BIT_DEPTH(bp)),1,m_termout);
m_flush();
bit_destroy(bp);
/*}}} */
}
else if (in==REMOTE)
{
/*{{{ transfer bitmap from server fs to server space*/
m_bitfromfile(IMAGE_BITMAP,file);
m_get();
if (sscanf(m_linebuf,"%d %d",&image_width,&image_height)<2)
{
fprintf(stderr,"%s: No MGR bitmap.\r\n",argv[0]);
clean(1);
}
/*}}} */
}
/*{{{ user interaction*/
get_size((int*)0,(int*)0,&my_width,&my_height);
display(image_xoffset,image_yoffset,my_width,my_height,image_width,image_height);
m_flush();
while ((c=getc(m_termin))!='q') switch (c)
{
/*{{{ m -- left button displays menu*/
case 'm':
{
m_selectmenu(1);
m_flush();
break;
}
/*}}} */
/*{{{ [%d %d] -- right button*/
case '[':
{
fscanf(m_termin,"%d %d]",&mouse_x,&mouse_y);
/*{{{ compute new x start*/
if (my_width>image_width) image_xoffset=0;
else if (mouse_x<=0) image_xoffset=0;
else if (mouse_x>=my_width) image_xoffset=my_width-image_width;
else
{
/*{{{ move x start by difference from mouse and middle*/
image_xoffset=image_xoffset-(mouse_x-my_width/2);
/*}}} */
/*{{{ check and corrent range of x start*/
if (image_xoffset<my_width-image_width) image_xoffset=my_width-image_width;
else if (image_xoffset>0) image_xoffset=0;
/*}}} */
}
/*}}} */
/*{{{ compute new y start*/
if (my_height>image_height) image_yoffset=0;
else if (mouse_y<=0) image_yoffset=0;
else if (mouse_y>=my_height) image_yoffset=my_height-image_height;
else
{
/*{{{ move y start by difference from mouse and middle*/
image_yoffset=image_yoffset-(mouse_y-my_height/2);
/*}}} */
/*{{{ check and corrent range of y start*/
if (image_yoffset<my_height-image_height) image_yoffset=my_height-image_height;
else if (image_yoffset>0) image_yoffset=0;
/*}}} */
}
/*}}} */
display(image_xoffset,image_yoffset,my_width,my_height,image_width,image_height);
m_flush();
break;
}
/*}}} */
/*{{{ R -- redraw*/
case 'R':
{
get_size((int*)0,(int*)0,&my_width,&my_height);
/*{{{ compute new x offset*/
if (my_width<image_width)
{
if (image_xoffset<my_width-image_width) image_xoffset=my_width-image_width;
}
else image_xoffset=0;
/*}}} */
/*{{{ compute new y offset*/
if (my_height<image_height)
{
if (image_yoffset<my_height-image_height) image_yoffset=my_height-image_height;
}
else image_yoffset=0;
/*}}} */
m_func(BIT_CLR);
m_bitwrite(0,0,my_width,my_height);
m_func(BIT_SRC);
m_bitcopyto(image_xoffset,image_yoffset,image_width,image_height,0,0,WINDOW_BITMAP,IMAGE_BITMAP);
m_flush();
break;
}
/*}}} */
}
/*}}} */
/*{{{ exit*/
m_bitdestroy(IMAGE_BITMAP);
get_colrow(&x,&y);
m_move(0,y-1);
clean(0);
/* NOTREACHED */
return 255;
/*}}} */
}
