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AWT/Swing merge from GNU Classpath.

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From-SVN: r56147
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Bryce McKinlay 2002-08-09 04:26:17 +00:00 • committed by Bryce McKinlay
parent 097684ce62
commit 7bde45b2eb
490 changed files with 86038 additions and 9753 deletions
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174
libjava/java/awt/GraphicsConfiguration.java
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@ -1,4 +1,5 @@
/* Copyright (C) 2000, 2001, 2002 Free Software Foundation
/* GraphicsConfiguration.java -- describes characteristics of graphics
Copyright (C) 2000, 2001, 2002 Free Software Foundation
This file is part of GNU Classpath.
@ -34,35 +35,184 @@ this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
/* Status: Complete, but commented out until we have the required
GraphicsDevice. */
package java.awt;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.geom.AffineTransform;
import java.awt.image.VolatileImage;
/**
* This class describes the configuration of various graphics devices, such
* as a monitor or printer. Different configurations may exist for the same
* device, according to the different native modes supported.
*
* <p>Virtual devices are supported (for example, in a multiple screen
* environment, a virtual device covers all screens simultaneously); the
* configuration will have a non-zero relative coordinate system in such
* a case.
*
* @author Eric Blake <ebb9@email.byu.edu>
* @see Window
* @see Frame
* @see GraphicsEnvironment
* @see GraphicsDevice
* @since 1.0
* @status updated to 1.4
*/
public abstract class GraphicsConfiguration
{
// Can't instantiate directly. Having a protected constructor seems
// redundant, but that is what the docs specify.
/**
* The default constructor.
*
* @see GraphicsDevice#getConfigurations()
* @see GraphicsDevice#getDefaultConfiguration()
* @see GraphicsDevice#getBestConfiguration(GraphicsConfigTemplate)
* @see Graphics2D#getDeviceConfiguration()
*/
protected GraphicsConfiguration ()
{
}
/*
/**
* Gets the associated device that this configuration describes.
*
* @return the device
*/
public abstract GraphicsDevice getDevice();
*/
public abstract BufferedImage createCompatibleImage(int width, int height);
public abstract BufferedImage createCompatibleImage(int width, int height,
/**
* Returns a buffered image optimized to this device, so that blitting can
* be supported in the buffered image.
*
* @param w the width of the buffer
* @param h the height of the buffer
* @return the buffered image, or null if none is supported
*/
public abstract BufferedImage createCompatibleImage(int w, int h);
/**
* Returns a buffered volatile image optimized to this device, so that
* blitting can be supported in the buffered image. Because the buffer is
* volatile, it can be optimized by native graphics accelerators.
*
* @param w the width of the buffer
* @param h the height of the buffer
* @return the buffered image, or null if none is supported
* @see Component#createVolatileImage(int, int)
* @since 1.4
*/
public abstract VolatileImage createCompatibleVolatileImage(int w, int h);
/**
* Returns a buffered volatile image optimized to this device, and with the
* given capabilities, so that blitting can be supported in the buffered
* image. Because the buffer is volatile, it can be optimized by native
* graphics accelerators.
*
* @param w the width of the buffer
* @param h the height of the buffer
* @param caps the desired capabilities of the image buffer
* @return the buffered image, or null if none is supported
* @throws AWTException if the capabilities cannot be met
* @since 1.4
*/
public VolatileImage createCompatibleVolatileImage(int w, int h,
ImageCapabilities caps)
throws AWTException
{
throw new AWTException("not implemented");
}
/**
* Returns a buffered image optimized to this device, and with the specified
* transparency, so that blitting can be supported in the buffered image.
*
* @param w the width of the buffer
* @param h the height of the buffer
* @param transparency the transparency of the buffer
* @return the buffered image, or null if none is supported
* @see Transparency#OPAQUE
* @see Transparency#BITMASK
* @see Transparency#TRANSLUCENT
*/
public abstract BufferedImage createCompatibleImage(int w, int h,
int transparency);
/**
* Gets the color model of the corresponding device.
*
* @return the color model
*/
public abstract ColorModel getColorModel();
/**
* Gets a color model for the corresponding device which supports the desired
* transparency level.
*
* @param transparency the transparency of the model
* @return the color model, with transparency
* @see Transparency#OPAQUE
* @see Transparency#BITMASK
* @see Transparency#TRANSLUCENT
*/
public abstract ColorModel getColorModel(int transparency);
/**
* Returns a transform that maps user coordinates to device coordinates. The
* preferred mapping is about 72 user units to 1 inch (2.54 cm) of physical
* space. This is often the identity transform. The device coordinates have
* the origin at the upper left, with increasing x to the right, and
* increasing y to the bottom.
*
* @return the transformation from user space to device space
* @see #getNormalizingTransform()
*/
public abstract AffineTransform getDefaultTransform();
/**
* Returns a transform that maps user coordinates to device coordinates. The
* exact mapping is 72 user units to 1 inch (2.54 cm) of physical space.
* This is often the identity transform. The device coordinates have the
* origin at the upper left, with increasing x to the right, and increasing
* y to the bottom. Note that this is more accurate (and thus, sometimes more
* costly) than the default transform.
*
* @return the normalized transformation from user space to device space
* @see #getDefaultTransform()
*/
public abstract AffineTransform getNormalizingTransform();
/* @since 1.3 */
/**
* Returns the bounds of the configuration, in device coordinates. If this
* is a virtual device (for example, encompassing several screens), the
* bounds may have a non-zero origin.
*
* @return the device bounds
* @since 1.3
*/
public abstract Rectangle getBounds();
}
/**
* Returns the buffering capabilities of this configuration.
*
* @return the buffer capabilities
* @since 1.4
*/
public BufferCapabilities getBufferCapabilities()
{
throw new Error("not implemented");
}
/**
* Returns the imaging capabilities of this configuration.
*
* @return the image capabilities
* @since 1.4
*/
public ImageCapabilities getImageCapabilities()
{
throw new Error("not implemented");
}
} // class GraphicsConfiguration