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Small fix for scrolling

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inmarket 2015-04-07 23:18:32 +10:00
parent 727aa67289
commit f44b1c6412
1 changed files with 3 additions and 1 deletions
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4
src/gdisp/gdisp.c
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@ -2438,6 +2438,8 @@ void gdispGBlitArea(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, c
coord_t fy, dy, ix, fx, i, j; coord_t fy, dy, ix, fx, i, j;
#endif #endif
if (!lines) return;
MUTEX_ENTER(g); MUTEX_ENTER(g);
#if NEED_CLIPPING #if NEED_CLIPPING
#if GDISP_HARDWARE_CLIP == HARDWARE_AUTODETECT #if GDISP_HARDWARE_CLIP == HARDWARE_AUTODETECT
@ -2446,7 +2448,7 @@ void gdispGBlitArea(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, c
{ {
if (x < g->clipx0) { cx -= g->clipx0 - x; x = g->clipx0; } if (x < g->clipx0) { cx -= g->clipx0 - x; x = g->clipx0; }
if (y < g->clipy0) { cy -= g->clipy0 - y; y = g->clipy0; } if (y < g->clipy0) { cy -= g->clipy0 - y; y = g->clipy0; }
if (!lines || cx <= 0 || cy <= 0 || x >= g->clipx1 || y >= g->clipy1) { MUTEX_EXIT(g); return; } if (cx <= 0 || cy <= 0 || x >= g->clipx1 || y >= g->clipy1) { MUTEX_EXIT(g); return; }
if (x+cx > g->clipx1) cx = g->clipx1 - x; if (x+cx > g->clipx1) cx = g->clipx1 - x;
if (y+cy > g->clipy1) cy = g->clipy1 - y; if (y+cy > g->clipy1) cy = g->clipy1 - y;
} }