本文整理汇总了Java中sun.java2d.pipe.BufferedContext类的典型用法代码示例。如果您正苦于以下问题：Java BufferedContext类的具体用法？Java BufferedContext怎么用？Java BufferedContext使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
BufferedContext类属于sun.java2d.pipe包，在下文中一共展示了BufferedContext类的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testContext
import sun.java2d.pipe.BufferedContext; //导入依赖的package包/类
private static void testContext(final AccelGraphicsConfig agc) {
BufferedContext c = agc.getContext();
final AccelDeviceEventListener l = new AccelDeviceEventListener() {
public void onDeviceDispose() {
System.out.println("onDeviceDispose invoked");
agc.removeDeviceEventListener(this);
}
public void onDeviceReset() {
System.out.println("onDeviceReset invoked");
}
};
agc.addDeviceEventListener(l);
RenderQueue rq = c.getRenderQueue();
rq.lock();
try {
c.saveState();
rq.flushNow();
c.restoreState();
rq.flushNow();
System.out.println("Passed: Save/Restore");
} finally {
rq.unlock();
}
}
示例2: update
import sun.java2d.pipe.BufferedContext; //导入依赖的package包/类
@Override
protected boolean update(Image bb) {
if (bb instanceof DestSurfaceProvider) {
Surface s = ((DestSurfaceProvider)bb).getDestSurface();
if (s instanceof AccelSurface) {
final int w = bb.getWidth(null);
final int h = bb.getHeight(null);
final boolean arr[] = { false };
final AccelSurface as = (AccelSurface)s;
RenderQueue rq = as.getContext().getRenderQueue();
rq.lock();
try {
BufferedContext.validateContext(as);
rq.flushAndInvokeNow(new Runnable() {
@Override
public void run() {
long psdops = as.getNativeOps();
arr[0] = updateWindowAccel(psdops, w, h);
}
});
} catch (InvalidPipeException e) {
// ignore, false will be returned
} finally {
rq.unlock();
}
return arr[0];
}
}
return super.update(bb);
}
示例3: update
import sun.java2d.pipe.BufferedContext; //导入依赖的package包/类
@Override
protected boolean update(Image bb) {
if (bb instanceof DestSurfaceProvider) {
Surface s = ((DestSurfaceProvider)bb).getDestSurface();
if (s instanceof AccelSurface) {
final boolean arr[] = { false };
final AccelSurface as = (AccelSurface)s;
final int w = as.getBounds().width;
final int h = as.getBounds().height;
RenderQueue rq = as.getContext().getRenderQueue();
rq.lock();
try {
BufferedContext.validateContext(as);
rq.flushAndInvokeNow(new Runnable() {
@Override
public void run() {
long psdops = as.getNativeOps();
arr[0] = updateWindowAccel(psdops, w, h);
}
});
} catch (InvalidPipeException e) {
// ignore, false will be returned
} finally {
rq.unlock();
}
return arr[0];
}
}
return super.update(bb);
}
示例4: testContext
import sun.java2d.pipe.BufferedContext; //导入依赖的package包/类
private static void testContext(final AccelGraphicsConfig agc) {
BufferedContext c = agc.getContext();
RenderQueue rq = c.getRenderQueue();
rq.lock();
try {
c.saveState();
rq.flushNow();
c.restoreState();
rq.flushNow();
System.out.println("Passed: Save/Restore");
} finally {
rq.unlock();
}
}
示例5: update
import sun.java2d.pipe.BufferedContext; //导入依赖的package包/类
@Override
protected boolean update(Image bb) {
if (bb instanceof DestSurfaceProvider) {
Surface s = ((DestSurfaceProvider)bb).getDestSurface();
if (s instanceof AccelSurface) {
final int w = bb.getWidth(null);
final int h = bb.getHeight(null);
final boolean arr[] = { false };
final AccelSurface as = (AccelSurface)s;
RenderQueue rq = as.getContext().getRenderQueue();
rq.lock();
try {
BufferedContext.validateContext(as);
rq.flushAndInvokeNow(new Runnable() {
public void run() {
long psdops = as.getNativeOps();
arr[0] = updateWindowAccel(psdops, w, h);
}
});
} catch (InvalidPipeException e) {
// ignore, false will be returned
} finally {
rq.unlock();
}
return arr[0];
}
}
return super.update(bb);
}
示例6: disposeStrike
import sun.java2d.pipe.BufferedContext; //导入依赖的package包/类
static void disposeStrike(final FontStrikeDisposer disposer) {
// we need to execute the strike disposal on the rendering thread
// because they may be accessed on that thread at the time of the
// disposal (for example, when the accel. cache is invalidated)
// Whilst this is a bit heavyweight, in most applications
// strike disposal is a relatively infrequent operation, so it
// doesn't matter. But in some tests that use vast numbers
// of strikes, the switching back and forth is measurable.
// So the "pollRemove" call is added to batch up the work.
// If we are polling we know we've already been called back
// and can directly dispose the record.
// Also worrisome is the necessity of getting a GC here.
if (Disposer.pollingQueue) {
doDispose(disposer);
return;
}
RenderQueue rq = null;
GraphicsEnvironment ge =
GraphicsEnvironment.getLocalGraphicsEnvironment();
if (!ge.isHeadless()) {
GraphicsConfiguration gc =
ge.getDefaultScreenDevice().getDefaultConfiguration();
if (gc instanceof AccelGraphicsConfig) {
AccelGraphicsConfig agc = (AccelGraphicsConfig)gc;
BufferedContext bc = agc.getContext();
if (bc != null) {
rq = bc.getRenderQueue();
}
}
}
if (rq != null) {
rq.lock();
try {
rq.flushAndInvokeNow(new Runnable() {
public void run() {
doDispose(disposer);
Disposer.pollRemove();
}
});
} finally {
rq.unlock();
}
} else {
doDispose(disposer);
}
}
示例7: disposeStrike
import sun.java2d.pipe.BufferedContext; //导入依赖的package包/类
static void disposeStrike(final FontStrikeDisposer disposer) {
// we need to execute the strike disposal on the rendering thread
// because they may be accessed on that thread at the time of the
// disposal (for example, when the accel. cache is invalidated)
// Whilst this is a bit heavyweight, in most applications
// strike disposal is a relatively infrequent operation, so it
// doesn't matter. But in some tests that use vast numbers
// of strikes, the switching back and forth is measurable.
// So the "pollRemove" call is added to batch up the work.
// If we are polling we know we've already been called back
// and can directly dispose the record.
// Also worrisome is the necessity of getting a GC here.
if (Disposer.pollingQueue) {
doDispose(disposer);
return;
}
RenderQueue rq = null;
GraphicsEnvironment ge =
GraphicsEnvironment.getLocalGraphicsEnvironment();
if (!GraphicsEnvironment.isHeadless()) {
GraphicsConfiguration gc =
ge.getDefaultScreenDevice().getDefaultConfiguration();
if (gc instanceof AccelGraphicsConfig) {
AccelGraphicsConfig agc = (AccelGraphicsConfig)gc;
BufferedContext bc = agc.getContext();
if (bc != null) {
rq = bc.getRenderQueue();
}
}
}
if (rq != null) {
rq.lock();
try {
rq.flushAndInvokeNow(new Runnable() {
public void run() {
doDispose(disposer);
Disposer.pollRemove();
}
});
} finally {
rq.unlock();
}
} else {
doDispose(disposer);
}
}
示例8: getContext
import sun.java2d.pipe.BufferedContext; //导入依赖的package包/类
/**
* Retrieves a context associated with object implementing this
* interface.
*
* @return associated context
* @see sun.java2d.pipe.BufferedContext
*/
public BufferedContext getContext();