void cc708_service_reset(cc708_service_decoder *decoder)
{
// There's lots of other stuff that we need to do, such as canceling delays
for (int j=0;j<8;j++)
{
decoder->windows[j].is_defined=0;
decoder->windows[j].visible=0;
decoder->windows[j].memory_reserved=0;
decoder->windows[j].is_empty=1;
memset (decoder->windows[j].commands, 0,
sizeof (decoder->windows[j].commands));
}
decoder->current_window=-1;
clearTV(decoder);
decoder->inited=1;
}
void updateScreen (cc708_service_decoder *decoder)
{
clearTV (decoder);
// THIS FUNCTION WILL DO THE MAGIC OF ACTUALLY EXPORTING THE DECODER STATUS
// TO SEVERAL FILES
e708Window *wnd[I708_MAX_WINDOWS]; // We'll store here the visible windows that contain anything
int visible=0;
for (int i=0;i<I708_MAX_WINDOWS;i++)
{
if (decoder->windows[i].is_defined && decoder->windows[i].visible && !decoder->windows[i].is_empty)
wnd[visible++]=&decoder->windows[i];
}
qsort (wnd,visible,sizeof (e708Window *),compWindowsPriorities);
for (int i=0;i<visible;i++)
{
int top,left;
// For each window we calculate the top,left position depending on the
// anchor
switch (wnd[i]->anchor_point)
{
case anchorpoint_top_left:
top=wnd[i]->anchor_vertical;
left=wnd[i]->anchor_horizontal;
break;
case anchorpoint_top_center:
top=wnd[i]->anchor_vertical;
left=wnd[i]->anchor_horizontal - wnd[i]->col_count/2;
break;
case anchorpoint_top_right:
top=wnd[i]->anchor_vertical;
left=wnd[i]->anchor_horizontal - wnd[i]->col_count;
break;
case anchorpoint_middle_left:
top=wnd[i]->anchor_vertical - wnd[i]->row_count/2;
left=wnd[i]->anchor_horizontal;
break;
case anchorpoint_middle_center:
top=wnd[i]->anchor_vertical - wnd[i]->row_count/2;
left=wnd[i]->anchor_horizontal - wnd[i]->col_count/2;
break;
case anchorpoint_middle_right:
top=wnd[i]->anchor_vertical - wnd[i]->row_count/2;
left=wnd[i]->anchor_horizontal - wnd[i]->col_count;
break;
case anchorpoint_bottom_left:
top=wnd[i]->anchor_vertical - wnd[i]->row_count;
left=wnd[i]->anchor_horizontal;
break;
case anchorpoint_bottom_center:
top=wnd[i]->anchor_vertical - wnd[i]->row_count;
left=wnd[i]->anchor_horizontal - wnd[i]->col_count/2;
break;
case anchorpoint_bottom_right:
top=wnd[i]->anchor_vertical - wnd[i]->row_count;
left=wnd[i]->anchor_horizontal - wnd[i]->col_count;
break;
default: // Shouldn't happen, but skip the window just in case
continue;
}
if (top<0)
top=0;
if (left<0)
left=0;
int copyrows=top + wnd[i]->row_count >= I708_SCREENGRID_ROWS ?
I708_SCREENGRID_ROWS - top : wnd[i]->row_count;
int copycols=left + wnd[i]->col_count >= I708_SCREENGRID_COLUMNS ?
I708_SCREENGRID_COLUMNS - left : wnd[i]->col_count;
for (int j=0;j<copyrows;j++)
{
memcpy (decoder->tv.chars[top+j],wnd[i]->rows[j],copycols);
}
}
printTVtoBuf(decoder);
decoder->callback(decoder->service, decoder->userdata);
}
void updateScreen (cc708_service_decoder *decoder)
{
// THIS FUNCTION WILL DO THE MAGIC OF ACTUALLY EXPORTING THE DECODER STATUS
// TO SEVERAL FILES
e708Window *wnd[I708_MAX_WINDOWS]; // We'll store here the visible windows
int visible=0;
for (int i=0;i<I708_MAX_WINDOWS;i++)
{
if (decoder->windows[i].is_defined && decoder->windows[i].visible)
wnd[visible++]=&decoder->windows[i];
}
qsort (wnd,visible,sizeof (int),compWindowsPriorities);
printf ("Visible windows in priority order: ");
for (int i=0;i<visible;i++)
{
printf ("%d (%d) | ",wnd[i]->number, wnd[i]->priority);
}
printf ("\n");
clearTV(decoder);
for (int i=0;i<visible;i++)
{
int top,left;
// For each window we calculate the top,left position depending on the
// anchor
switch (wnd[i]->anchor_point)
{
case anchorpoint_top_left:
top=wnd[i]->anchor_vertical;
left=wnd[i]->anchor_horizontal;
break;
case anchorpoint_top_center:
top=wnd[i]->anchor_vertical;
left=wnd[i]->anchor_horizontal - wnd[i]->col_count/2;
break;
case anchorpoint_top_right:
top=wnd[i]->anchor_vertical;
left=wnd[i]->anchor_horizontal - wnd[i]->col_count;
break;
case anchorpoint_middle_left:
top=wnd[i]->anchor_vertical - wnd[i]->row_count/2;
left=wnd[i]->anchor_horizontal;
break;
case anchorpoint_middle_center:
top=wnd[i]->anchor_vertical - wnd[i]->row_count/2;
left=wnd[i]->anchor_horizontal - wnd[i]->col_count/2;
break;
case anchorpoint_middle_right:
top=wnd[i]->anchor_vertical - wnd[i]->row_count/2;
left=wnd[i]->anchor_horizontal - wnd[i]->col_count;
break;
case anchorpoint_bottom_left:
top=wnd[i]->anchor_vertical - wnd[i]->row_count;
left=wnd[i]->anchor_horizontal;
break;
case anchorpoint_bottom_center:
top=wnd[i]->anchor_vertical - wnd[i]->row_count;
left=wnd[i]->anchor_horizontal - wnd[i]->col_count/2;
break;
case anchorpoint_bottom_right:
top=wnd[i]->anchor_vertical - wnd[i]->row_count;
left=wnd[i]->anchor_horizontal - wnd[i]->col_count;
break;
default: // Shouldn't happen, but skip the window just in case
continue;
}
printf ("For window %d: Anchor point -> %d, size %d:%d, real position %d:%d\n",
wnd[i]->number, wnd[i]->anchor_point, wnd[i]->row_count,wnd[i]->col_count,
top,left);
if (top<0)
top=0;
if (left<0)
left=0;
int copyrows=top + wnd[i]->row_count >= I708_SCREENGRID_ROWS ?
I708_SCREENGRID_ROWS - top : wnd[i]->row_count;
int copycols=left + wnd[i]->col_count >= I708_SCREENGRID_COLUMNS ?
I708_SCREENGRID_COLUMNS - left : wnd[i]->col_count;
printf ("%d*%d will be copied to the TV.\n", copyrows, copycols);
for (int j=0;j<copyrows;j++)
{
memcpy (decoder->tv.chars[top+j],wnd[i]->rows[j],copycols);
}
}
}
