本文整理匯總了Java中java.awt.image.VolatileImage.getHeight方法的典型用法代碼示例。如果您正苦於以下問題：Java VolatileImage.getHeight方法的具體用法？Java VolatileImage.getHeight怎麽用？Java VolatileImage.getHeight使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.awt.image.VolatileImage的用法示例。
在下文中一共展示了VolatileImage.getHeight方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: getVolatileOffscreenBuffer
import java.awt.image.VolatileImage; //導入方法依賴的package包/類
/**
* Return a volatile offscreen buffer that should be used as a
* double buffer with the specified component <code>c</code>.
* The image returned will be an instance of VolatileImage, or null
* if a VolatileImage object could not be instantiated.
* This buffer might be smaller than <code>(proposedWidth,proposedHeight)</code>.
* This happens when the maximum double buffer size has been set for this
* repaint manager.
*
* @see java.awt.image.VolatileImage
* @since 1.4
*/
public Image getVolatileOffscreenBuffer(Component c,
int proposedWidth,int proposedHeight) {
RepaintManager delegate = getDelegate(c);
if (delegate != null) {
return delegate.getVolatileOffscreenBuffer(c, proposedWidth,
proposedHeight);
}
// If the window is non-opaque, it's double-buffered at peer's level
Window w = (c instanceof Window) ? (Window)c : SwingUtilities.getWindowAncestor(c);
if (!w.isOpaque()) {
Toolkit tk = Toolkit.getDefaultToolkit();
if ((tk instanceof SunToolkit) && (((SunToolkit)tk).needUpdateWindow())) {
return null;
}
}
GraphicsConfiguration config = c.getGraphicsConfiguration();
if (config == null) {
config = GraphicsEnvironment.getLocalGraphicsEnvironment().
getDefaultScreenDevice().getDefaultConfiguration();
}
Dimension maxSize = getDoubleBufferMaximumSize();
int width = proposedWidth < 1 ? 1 :
(proposedWidth > maxSize.width? maxSize.width : proposedWidth);
int height = proposedHeight < 1 ? 1 :
(proposedHeight > maxSize.height? maxSize.height : proposedHeight);
VolatileImage image = volatileMap.get(config);
if (image == null || image.getWidth() < width ||
image.getHeight() < height) {
if (image != null) {
image.flush();
}
image = config.createCompatibleVolatileImage(width, height,
volatileBufferType);
volatileMap.put(config, image);
}
return image;
}
示例2: getVolatileOffscreenBuffer
import java.awt.image.VolatileImage; //導入方法依賴的package包/類
/**
* Return a volatile offscreen buffer that should be used as a
* double buffer with the specified component <code>c</code>.
* The image returned will be an instance of VolatileImage, or null
* if a VolatileImage object could not be instantiated.
* This buffer might be smaller than <code>(proposedWidth,proposedHeight)</code>.
* This happens when the maximum double buffer size has been set for this
* repaint manager.
*
* @param c the component
* @param proposedWidth the width of the buffer
* @param proposedHeight the height of the buffer
*
* @return the volatile image
* @see java.awt.image.VolatileImage
* @since 1.4
*/
public Image getVolatileOffscreenBuffer(Component c,
int proposedWidth,int proposedHeight) {
RepaintManager delegate = getDelegate(c);
if (delegate != null) {
return delegate.getVolatileOffscreenBuffer(c, proposedWidth,
proposedHeight);
}
// If the window is non-opaque, it's double-buffered at peer's level
Window w = (c instanceof Window) ? (Window)c : SwingUtilities.getWindowAncestor(c);
if (!w.isOpaque()) {
Toolkit tk = Toolkit.getDefaultToolkit();
if ((tk instanceof SunToolkit) && (((SunToolkit)tk).needUpdateWindow())) {
return null;
}
}
GraphicsConfiguration config = c.getGraphicsConfiguration();
if (config == null) {
config = GraphicsEnvironment.getLocalGraphicsEnvironment().
getDefaultScreenDevice().getDefaultConfiguration();
}
Dimension maxSize = getDoubleBufferMaximumSize();
int width = proposedWidth < 1 ? 1 :
(proposedWidth > maxSize.width? maxSize.width : proposedWidth);
int height = proposedHeight < 1 ? 1 :
(proposedHeight > maxSize.height? maxSize.height : proposedHeight);
VolatileImage image = volatileMap.get(config);
if (image == null || image.getWidth() < width ||
image.getHeight() < height) {
if (image != null) {
image.flush();
}
image = config.createCompatibleVolatileImage(width, height,
volatileBufferType);
volatileMap.put(config, image);
}
return image;
}