aaflush.c

 
#include <stdio.h>
#include "aalib.h"
 
#define HIDEMOUSE if(!hidden&&cursor&&c->mousedriver!=NULL&&(c->mousedriver->flags&AA_HIDECURSOR)) \
       aa_hidemouse(c),hidden=1;
static void aa_display(aa_context * c, int x1, int y1, int x2, int y2)
{
    int x, y, pos, attr, p;
    unsigned char str[80];
    int cursor=c->mousemode,hidden=0;
    if (x2 < 0 || y2 < 0 || x1 > aa_scrwidth(c) || y1 > aa_scrheight(c))
    return;
    if (x2 >= aa_scrwidth(c))
    x2 = aa_scrwidth(c);
    if (y2 >= aa_scrheight(c))
    y2 = aa_scrheight(c);
    if (x1 < 0)
    x1 = 0;
    if (y1 < 0)
    y1 = 0;
    if (c->driver->print == NULL)
        return;
    pos = 0;
    for (y = y1; y < y2; y++) {
        pos = y * aa_scrwidth(c) + x1;
        c->driver->gotoxy(c, x1, y);
        for (x = x1; x < x2;) {
        p = 0;
        attr = c->attrbuffer[pos];
        while (p < 79 && x < x2 && c->attrbuffer[pos] == attr) {
            str[p] = c->textbuffer[pos];
            pos++;
            p++;
            x++;
        }
        str[p] = 0;
        HIDEMOUSE
        c->driver->setattr(c, attr);
        c->driver->print(c, (char *)str);
        }
    c->driver->gotoxy(c, c->cursorx, c->cursory);
    }
        if(hidden&&cursor)
       aa_showmouse(c);
}
void aa_hidemouse(aa_context *c)
{
  if(c->mousemode) {
  c->mousemode=0;
  if(c->mousedriver!=NULL&&c->mousedriver->cursormode!=NULL) c->mousedriver->cursormode(c,0);
  }
}
void aa_showmouse(aa_context *c)
{
  if(!c->mousemode) {
  c->mousemode=1;
  if(c->mousedriver!=NULL&&c->mousedriver->cursormode!=NULL) c->mousedriver->cursormode(c,1);
  }
}
 
void aa_flush(aa_context * c)
{
    if (c->driver->print != NULL)
    aa_display(c, 0, 0, aa_imgwidth(c), aa_imgheight(c));
    if (c->driver->flush != NULL)
    { int cursor=c->mousemode;
        if(cursor&&c->mousedriver!=NULL&&(c->mousedriver->flags&AA_HIDECURSOR))
       aa_hidemouse(c);
    c->driver->flush(c);
        if(cursor&&c->mousedriver!=NULL&&(c->mousedriver->flags&AA_HIDECURSOR))
       aa_showmouse(c);
    }
}