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Small fix: if we're bypassing the copyArea scrolling on a macintosh

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and just dirtying the entire panel, we don't want to set _dx and _dy, as
that will trigger the actual use of copyArea and so forth during painting.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3232 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Ray Greenwell
2004-11-23 23:38:43 +00:00
parent 58876841c7
commit 6acbd15c2f
1 changed files with 15 additions and 12 deletions
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src/java/com/threerings/media/VirtualMediaPanel.java
+15 -12
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@@ -222,7 +222,7 @@ public class VirtualMediaPanel extends MediaPanel
// regions for the area exposed by the scrolling
if (_nx != _vbounds.x || _ny != _vbounds.y) {
// determine how far we'll be moving on this tick
_dx = _nx - _vbounds.x; _dy = _ny - _vbounds.y;
int dx = _nx - _vbounds.x, dy = _ny - _vbounds.y;
// Log.info("Scrolling into place [n=(" + _nx + ", " + _ny +
// "), t=(" + _vbounds.x + ", " + _vbounds.y +
@@ -235,22 +235,25 @@ public class VirtualMediaPanel extends MediaPanel
if (RunAnywhere.isMacOS()) {
_remgr.invalidateRegion(_nx, _ny, width, height);
} else {
_dx = dx;
_dy = dy;
// these are used to prevent the vertical strip from
// overlapping the horizontal strip
int sy = _ny, shei = height;
// and add invalid rectangles for the exposed areas
if (_dy > 0) {
shei = Math.max(shei - _dy, 0);
_remgr.invalidateRegion(_nx, _ny + height - _dy, width, _dy);
} else if (_dy < 0) {
sy -= _dy;
_remgr.invalidateRegion(_nx, _ny, width, -_dy);
if (dy > 0) {
shei = Math.max(shei - dy, 0);
_remgr.invalidateRegion(_nx, _ny + height - dy, width, dy);
} else if (dy < 0) {
sy -= dy;
_remgr.invalidateRegion(_nx, _ny, width, -dy);
}
if (_dx > 0) {
_remgr.invalidateRegion(_nx + width - _dx, sy, _dx, shei);
} else if (_dx < 0) {
_remgr.invalidateRegion(_nx, sy, -_dx, shei);
if (dx > 0) {
_remgr.invalidateRegion(_nx + width - dx, sy, dx, shei);
} else if (dx < 0) {
_remgr.invalidateRegion(_nx, sy, -dx, shei);
}
}
@@ -261,7 +264,7 @@ public class VirtualMediaPanel extends MediaPanel
_vbounds.x = _nx; _vbounds.y = _ny;
// let derived classes react if they so desire
viewLocationDidChange(_dx, _dy);
viewLocationDidChange(dx, dy);
}
}