int _zbar_processor_handle_input (zbar_processor_t *proc,
int input)
{
int event = EVENT_INPUT;
switch(input) {
case -1:
event |= EVENT_CANCELED;
_zbar_processor_set_visible(proc, 0);
err_capture(proc, SEV_WARNING, ZBAR_ERR_CLOSED, __func__,
"user closed display window");
break;
case 'd':
proc->dumping = 1;
return(0);
case '+':
case '=':
break;
case '-':
break;
}
_zbar_mutex_lock(&proc->mutex);
proc->input = input;
if(input == -1 && proc->visible && proc->streaming)
/* also cancel outstanding output waiters */
event |= EVENT_OUTPUT;
_zbar_processor_notify(proc, event);
_zbar_mutex_unlock(&proc->mutex);
return(input);
}
int zbar_processor_set_visible (zbar_processor_t *proc,
int visible)
{
proc_enter(proc);
_zbar_mutex_unlock(&proc->mutex);
int rc = 0;
if(proc->window) {
if(proc->video)
rc = _zbar_processor_set_size(proc,
zbar_video_get_width(proc->video),
zbar_video_get_height(proc->video));
if(!rc)
rc = _zbar_processor_set_visible(proc, visible);
if(!rc)
proc->visible = (visible != 0);
}
else if(visible)
rc = err_capture(proc, SEV_ERROR, ZBAR_ERR_INVALID, __func__,
"processor display window not initialized");
_zbar_mutex_lock(&proc->mutex);
proc_leave(proc);
return(rc);
}
