dorkbox/Utilities
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nathan 2017-07-27 22:09:36 +02:00
parent b73fef825d
commit 43dab244a6
1 changed files with 22 additions and 12 deletions
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34
src/dorkbox/util/swing/SwingActiveRender.java
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@ -60,21 +60,20 @@ class SwingActiveRender {
* animations. <br> This works by removing this object from EDT updates, and instead manually calls paint(g) on the jFrame, updating it * animations. <br> This works by removing this object from EDT updates, and instead manually calls paint(g) on the jFrame, updating it
* on our own thread. * on our own thread.
* *
* @param jFrame * @param jFrame the jFrame to add to the ActiveRender thread.
* the jFrame to add to the ActiveRender thread.
*/ */
public static public static
void addActiveRender(final JFrame jFrame) { void addActiveRender(final JFrame jFrame) {
// this should be on the EDT // this should be on the EDT
if (!EventQueue.isDispatchThread()) { if (!EventQueue.isDispatchThread()) {
throw new RuntimeException("adding a swing JFrame to be actively rendered, must be done on the EDT."); throw new RuntimeException("adding a swing JFrame to be actively rendered must be done on the EDT.");
} }
// setup double-buffering, so we can properly use Active-Rendering, so the animations will be smooth // setup double-buffering, so we can properly use Active-Rendering, so the animations will be smooth
jFrame.createBufferStrategy(2); jFrame.createBufferStrategy(2);
// have to specify ALL children in jFrame to ignore EDT paint requests // have to specify ALL children in jFrame to ignore EDT paint requests
Deque<Component> components = new ArrayDeque<Component>(); Deque<Component> components = new ArrayDeque<Component>(8);
components.add(jFrame); components.add(jFrame);
Component[] c; Component[] c;
@ -101,8 +100,7 @@ class SwingActiveRender {
/** /**
* Specifies an ActionHandler to be called when the ActiveRender thread starts to render at each tick. * Specifies an ActionHandler to be called when the ActiveRender thread starts to render at each tick.
* *
* @param handler * @param handler the handler to add
* the handler to add
*/ */
public static public static
void addActiveRenderFrameStart(final ActionHandlerLong handler) { void addActiveRenderFrameStart(final ActionHandlerLong handler) {
@ -114,8 +112,7 @@ class SwingActiveRender {
/** /**
* Potentially SLOW calculation, as it compares each entry in a queue for equality * Potentially SLOW calculation, as it compares each entry in a queue for equality
* *
* @param handler * @param handler this is the handler to check
* this is the handler to check
* *
* @return true if this handler already exists in the active render, on-frame-start queue * @return true if this handler already exists in the active render, on-frame-start queue
*/ */
@ -129,8 +126,7 @@ class SwingActiveRender {
/** /**
* Removes the handler from the on-frame-start queue * Removes the handler from the on-frame-start queue
* *
* @param handler * @param handler the handler to remove
* the handler to remove
*/ */
public static public static
void removeActiveRenderFrameStart(final ActionHandlerLong handler) { void removeActiveRenderFrameStart(final ActionHandlerLong handler) {
@ -143,8 +139,7 @@ class SwingActiveRender {
/** /**
* Removes a jFrame from the ActiveRender queue. This should happen when the jFrame is closed. * Removes a jFrame from the ActiveRender queue. This should happen when the jFrame is closed.
* *
* @param jFrame * @param jFrame the jFrame to remove
* the jFrame to remove
*/ */
public static public static
void removeActiveRender(final JFrame jFrame) { void removeActiveRender(final JFrame jFrame) {
@ -158,6 +153,21 @@ class SwingActiveRender {
activeRenderThread = null; activeRenderThread = null;
} }
} }
// have to specify ALL children in jFrame to obey EDT paint requests
Deque<Component> components = new ArrayDeque<Component>(8);
components.add(jFrame);
Component[] c;
Component pop;
while ((pop = components.poll()) != null) {
pop.setIgnoreRepaint(false);
if (pop instanceof JComponent) {
c = ((JComponent) pop).getComponents();
Collections.addAll(components, c);
}
}
} }
/** /**