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Fixed a coordinate system bug with Offset method

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This commit is contained in:
kipp%netscape.com 1998-10-30 22:05:22 +00:00
parent 413e835d6a
commit ea57904bdd
2 changed files with 12 additions and 2 deletions
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7
layout/base/src/nsSpaceManager.cpp
View File

@ -752,8 +752,13 @@ PRBool nsSpaceManager::OffsetRegion(nsIFrame* aFrame, nscoord aDx, nscoord aDy)
return PR_FALSE;
}
// Compute new rect for the region; note that we have to translate
// from the global coordinate system (frameInfo->rect) to our
// current local coordinate system before adding the rect region
// again (since AddRectRegion operates relative to the current
// translation).
nsRect rect(frameInfo->rect);
rect.MoveBy(aDx, aDy);
rect.MoveBy(-mX + aDx, -mY + aDy);
// Verify that the offset is within the defined coordinate space
if ((rect.x < 0) || (rect.y < 0)) {

7
layout/generic/nsSpaceManager.cpp
View File

@ -752,8 +752,13 @@ PRBool nsSpaceManager::OffsetRegion(nsIFrame* aFrame, nscoord aDx, nscoord aDy)
return PR_FALSE;
}
// Compute new rect for the region; note that we have to translate
// from the global coordinate system (frameInfo->rect) to our
// current local coordinate system before adding the rect region
// again (since AddRectRegion operates relative to the current
// translation).
nsRect rect(frameInfo->rect);
rect.MoveBy(aDx, aDy);
rect.MoveBy(-mX + aDx, -mY + aDy);
// Verify that the offset is within the defined coordinate space
if ((rect.x < 0) || (rect.y < 0)) {