diff options
Diffstat (limited to 'apps/plugins/lib/grey_scroll.c')
| -rw-r--r-- | apps/plugins/lib/grey_scroll.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/apps/plugins/lib/grey_scroll.c b/apps/plugins/lib/grey_scroll.c index adecd3bc43..35f73b70c4 100644 --- a/apps/plugins/lib/grey_scroll.c +++ b/apps/plugins/lib/grey_scroll.c @@ -37,7 +37,10 @@ void grey_scroll_left(int count) int length, blank; if ((unsigned)count >= (unsigned)_grey_info.width) + { + grey_clear_display(); return; + } data = _grey_info.buffer; data_end = data + _GREY_MULUQ(_grey_info.width, _grey_info.height); @@ -62,7 +65,10 @@ void grey_scroll_right(int count) int length, blank; if ((unsigned)count >= (unsigned)_grey_info.width) + { + grey_clear_display(); return; + } data = _grey_info.buffer; data_end = data + _GREY_MULUQ(_grey_info.width, _grey_info.height); @@ -86,7 +92,10 @@ void grey_scroll_up(int count) int blank; if ((unsigned)count >= (unsigned)_grey_info.height) + { + grey_clear_display(); return; + } shift = _GREY_MULUQ(_grey_info.width, count); length = _GREY_MULUQ(_grey_info.width, _grey_info.height - count); @@ -105,7 +114,10 @@ void grey_scroll_down(int count) int blank; if ((unsigned)count >= (unsigned)_grey_info.height) + { + grey_clear_display(); return; + } shift = _GREY_MULUQ(_grey_info.width, count); length = _GREY_MULUQ(_grey_info.width, _grey_info.height - count); @@ -126,7 +138,10 @@ void grey_ub_scroll_left(int count) int blank, length; if ((unsigned)count >= (unsigned)_grey_info.width) + { + grey_ub_clear_display(); return; + } data = _grey_info.values; data_end = data + _GREY_MULUQ(_grey_info.width, _grey_info.height); @@ -156,7 +171,10 @@ void grey_ub_scroll_right(int count) int blank, length; if ((unsigned)count >= (unsigned)_grey_info.width) + { + grey_ub_clear_display(); return; + } data = _grey_info.values; data_end = data + _GREY_MULUQ(_grey_info.width, _grey_info.height); @@ -185,7 +203,10 @@ void grey_ub_scroll_up(int count) int blank; if ((unsigned)count >= (unsigned)_grey_info.height) + { + grey_ub_clear_display(); return; + } dst = _grey_info.values; end = dst + _GREY_MULUQ(_grey_info.height, _grey_info.width); @@ -257,7 +278,10 @@ void grey_ub_scroll_down(int count) int blank; if ((unsigned)count >= (unsigned)_grey_info.height) + { + grey_ub_clear_display(); return; + } start = _grey_info.values; dst = start + _GREY_MULUQ(_grey_info.height, _grey_info.width); |