diff options
Diffstat (limited to 'miext/damage/damage.c')
| -rw-r--r-- | miext/damage/damage.c | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/miext/damage/damage.c b/miext/damage/damage.c index de14d5cc8..f3ae4ebbc 100644 --- a/miext/damage/damage.c +++ b/miext/damage/damage.c @@ -829,16 +829,36 @@ damagePolyPoint(DrawablePtr pDrawable, /* this could be slow if the points were spread out */ - while (--nptTmp) { - pptTmp++; - if (box.x1 > pptTmp->x) - box.x1 = pptTmp->x; - else if (box.x2 < pptTmp->x) - box.x2 = pptTmp->x; - if (box.y1 > pptTmp->y) - box.y1 = pptTmp->y; - else if (box.y2 < pptTmp->y) - box.y2 = pptTmp->y; + if (mode == CoordModePrevious) { + int x = box.x1; + int y = box.y1; + + while (--nptTmp) { + pptTmp++; + x += pptTmp->x; + y += pptTmp->y; + if (box.x1 > x) + box.x1 = x; + else if (box.x2 < x) + box.x2 = x; + if (box.y1 > y) + box.y1 = y; + else if (box.y2 < y) + box.y2 = y; + } + } + else { + while (--nptTmp) { + pptTmp++; + if (box.x1 > pptTmp->x) + box.x1 = pptTmp->x; + else if (box.x2 < pptTmp->x) + box.x2 = pptTmp->x; + if (box.y1 > pptTmp->y) + box.y1 = pptTmp->y; + else if (box.y2 < pptTmp->y) + box.y2 = pptTmp->y; + } } box.x2++; |