AfflictionNetworks/narya
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Let the animated panel handle invalidating the regions exposed by

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scrolling so that it can do so with the actual dimensions of the panel
(the scene view only knows how big its model wants to be). Changed
scrollView to viewWillScroll to more accurately reflect what's going on.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1036 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
2002-02-19 05:03:17 +00:00
parent d6ad960a14
commit 7db44c5ee3
4 changed files with 28 additions and 54 deletions
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src/java/com/threerings/media/animation/AnimatedPanel.java
+15 -16
View File
@@ -1,5 +1,5 @@
//
// $Id: AnimatedPanel.java,v 1.12 2002/02/19 04:45:13 mdb Exp $
// $Id: AnimatedPanel.java,v 1.13 2002/02/19 05:03:17 mdb Exp $
package com.threerings.media.animation;
@@ -159,6 +159,8 @@ public class AnimatedPanel extends Canvas implements AnimatedView
// }
// _last = now;
int width = getWidth(), height = getHeight();
// if scrolling is enabled, determine the scrolling delta to be
// used and do the business
int dx = 0, dy = 0;
@@ -180,6 +182,18 @@ public class AnimatedPanel extends Canvas implements AnimatedView
_lasty = ydist;
}
// and add invalid rectangles for the exposed areas
if (dx > 0) {
invalidRects.add(new Rectangle(width - dx, 0, dx, height));
} else if (dx < 0) {
invalidRects.add(new Rectangle(0, 0, -dx, height));
}
if (dy > 0) {
invalidRects.add(new Rectangle(0, height - dy, width, dy));
} else if (dy < 0) {
invalidRects.add(new Rectangle(0, 0, width, -dy));
}
// let our derived classes do whatever they need to do to
// prepare to be scrolled
viewWillScroll(dx, dy);
@@ -208,7 +222,6 @@ public class AnimatedPanel extends Canvas implements AnimatedView
createBackBuffer(gc);
}
int width = getWidth(), height = getHeight();
Graphics g = null;
try {
g = _backimg.getGraphics();
@@ -236,20 +249,6 @@ public class AnimatedPanel extends Canvas implements AnimatedView
if (_stime != 0) {
// if it was OK, we may need to do some scrolling
g.copyArea(0, 0, width, height, -dx, -dy);
// and add invalid rectangles for the exposed areas
if (dx > 0) {
invalidRects.add(
new Rectangle(width - dx, 0, dx, height));
} else if (dx < 0) {
invalidRects.add(new Rectangle(0, 0, -dx, height));
}
if (dy > 0) {
invalidRects.add(
new Rectangle(0, height - dy, width, dy));
} else if (dy < 0) {
invalidRects.add(new Rectangle(0, 0, width, -dy));
}
}
// iterate through the invalid rectangles, copying those