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-rw-r--r--src/nativewindow/classes/javax/media/nativewindow/NativeWindowFactory.java20
-rw-r--r--src/nativewindow/classes/javax/media/nativewindow/util/Dimension.java50
-rw-r--r--src/nativewindow/classes/javax/media/nativewindow/util/DimensionReadOnly.java55
-rw-r--r--src/nativewindow/classes/javax/media/nativewindow/util/Insets.java17
-rw-r--r--src/nativewindow/classes/javax/media/nativewindow/util/Point.java86
-rw-r--r--src/nativewindow/classes/javax/media/nativewindow/util/PointReadOnly.java50
-rw-r--r--src/nativewindow/classes/javax/media/nativewindow/util/Rectangle.java25
-rw-r--r--src/nativewindow/classes/javax/media/nativewindow/util/RectangleReadOnly.java54
-rw-r--r--src/nativewindow/classes/javax/media/nativewindow/util/SurfaceSize.java94
9 files changed, 358 insertions, 93 deletions
diff --git a/src/nativewindow/classes/javax/media/nativewindow/NativeWindowFactory.java b/src/nativewindow/classes/javax/media/nativewindow/NativeWindowFactory.java
index 7897460a0..a269051b1 100644
--- a/src/nativewindow/classes/javax/media/nativewindow/NativeWindowFactory.java
+++ b/src/nativewindow/classes/javax/media/nativewindow/NativeWindowFactory.java
@@ -51,22 +51,22 @@ import java.lang.reflect.Method;
public abstract class NativeWindowFactory {
protected static final boolean DEBUG = Debug.debug("NativeWindow");
- /** OpenKODE/EGL type */
+ /** OpenKODE/EGL type, as retrieved with {@link #getNativeWindowType(boolean)}*/
public static final String TYPE_EGL = "EGL";
- /** Microsoft Windows type */
+ /** Microsoft Windows type, as retrieved with {@link #getNativeWindowType(boolean)} */
public static final String TYPE_WINDOWS = "Windows";
- /** X11 type */
+ /** X11 type, as retrieved with {@link #getNativeWindowType(boolean)} */
public static final String TYPE_X11 = "X11";
- /** Mac OS X type */
+ /** Mac OS X type, as retrieved with {@link #getNativeWindowType(boolean)} */
public static final String TYPE_MACOSX = "MacOSX";
- /** Generic AWT type */
+ /** Generic AWT type, as retrieved with {@link #getNativeWindowType(boolean)} */
public static final String TYPE_AWT = "AWT";
- /** Generic DEFAULT type, where platform implementation don't care */
+ /** Generic DEFAULT type, where platform implementation don't care, as retrieved with {@link #getNativeWindowType(boolean)} */
public static final String TYPE_DEFAULT = "default";
private static NativeWindowFactory defaultFactory;
@@ -229,10 +229,18 @@ public abstract class NativeWindowFactory {
/** @return true if not headless, AWT Component and NativeWindow's AWT part available */
public static boolean isAWTAvailable() { return isAWTAvailable; }
+ /**
+ * @param useCustom if false return the native value, if true return a custom value if set, otherwise fallback to the native value.
+ * @return the native OS name
+ */
public static String getNativeOSName(boolean useCustom) {
return useCustom?nativeOSNameCustom:nativeOSNamePure;
}
+ /**
+ * @param useCustom if false return the native value, if true return a custom value if set, otherwise fallback to the native value.
+ * @return a define native window type, like {@link #TYPE_X11}, ..
+ */
public static String getNativeWindowType(boolean useCustom) {
return useCustom?nativeWindowingTypeCustom:nativeWindowingTypePure;
}
diff --git a/src/nativewindow/classes/javax/media/nativewindow/util/Dimension.java b/src/nativewindow/classes/javax/media/nativewindow/util/Dimension.java
index 19ec1e259..f7826c6eb 100644
--- a/src/nativewindow/classes/javax/media/nativewindow/util/Dimension.java
+++ b/src/nativewindow/classes/javax/media/nativewindow/util/Dimension.java
@@ -27,10 +27,9 @@
* or implied, of JogAmp Community.
*/
-
package javax.media.nativewindow.util;
-public class Dimension {
+public class Dimension implements Cloneable, DimensionReadOnly {
int width;
int height;
@@ -39,20 +38,35 @@ public class Dimension {
}
public Dimension(int width, int height) {
+ if(width<0 || height<0) {
+ throw new IllegalArgumentException("width and height must be within: ["+0+".."+Integer.MAX_VALUE+"]");
+ }
this.width=width;
this.height=height;
}
+
+ public Object clone() {
+ try {
+ return super.clone();
+ } catch (CloneNotSupportedException ex) {
+ throw new InternalError();
+ }
+ }
+
public int getWidth() { return width; }
public int getHeight() { return height; }
- public void setWidth(int width) { this.width = width; }
- public void setHeight(int height) { this.height = height; }
+ public void setWidth(int width) {
+ this.width = width;
+ }
+ public void setHeight(int height) {
+ this.height = height;
+ }
public Dimension scale(int s) {
width *= s;
height *= s;
return this;
}
-
public Dimension add(Dimension pd) {
width += pd.width ;
height += pd.height ;
@@ -60,35 +74,23 @@ public class Dimension {
}
public String toString() {
- return new String("Dimension["+width+"x"+height+"]");
+ return new String("Dimension["+width+" x "+height+"]");
}
- /**
- * Checks whether two dimensions objects are equal. Two instances
- * of <code>Dimension</code> are equal if the four integer values
- * of the fields <code>height</code> and <code>width</code>
- * are equal.
- * @return <code>true</code> if the two dimensions are equal;
- * otherwise <code>false</code>.
- */
public boolean equals(Object obj) {
if (obj instanceof Dimension) {
Dimension p = (Dimension)obj;
- return (height == p.height) && (width == p.width) &&
- (height == p.height) && (width == p.width);
+ return height == p.height &&
+ width == p.width ;
}
return false;
}
- /**
- * Returns the hash code for this Dimension.
- *
- * @return a hash code for this Dimension.
- */
public int hashCode() {
- int sum1 = width + height;
- return sum1 * (sum1 + 1)/2 + width;
+ // 31 * x == (x << 5) - x
+ int hash = 31 + width;
+ hash = ((hash << 5) - hash) + height;
+ return hash;
}
-
}
diff --git a/src/nativewindow/classes/javax/media/nativewindow/util/DimensionReadOnly.java b/src/nativewindow/classes/javax/media/nativewindow/util/DimensionReadOnly.java
new file mode 100644
index 000000000..442afd4ba
--- /dev/null
+++ b/src/nativewindow/classes/javax/media/nativewindow/util/DimensionReadOnly.java
@@ -0,0 +1,55 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ * Copyright (c) 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package javax.media.nativewindow.util;
+
+/** Immutable Dimension Interface, consisting of it's read only components:<br>
+ * <ul>
+ * <li><code>width</code></li>
+ * <li><code>height</code></li>
+ * </ul>
+ */
+public interface DimensionReadOnly extends Cloneable {
+
+ int getHeight();
+
+ int getWidth();
+
+ /**
+ * Checks whether two dimensions objects are equal. Two instances
+ * of <code>DimensionReadOnly</code> are equal if two components
+ * <code>height</code> and <code>width</code> are equal.
+ * @return <code>true</code> if the two dimensions are equal;
+ * otherwise <code>false</code>.
+ */
+ boolean equals(Object obj);
+
+ int hashCode();
+
+}
diff --git a/src/nativewindow/classes/javax/media/nativewindow/util/Insets.java b/src/nativewindow/classes/javax/media/nativewindow/util/Insets.java
index 4162e1099..c7fa247bf 100644
--- a/src/nativewindow/classes/javax/media/nativewindow/util/Insets.java
+++ b/src/nativewindow/classes/javax/media/nativewindow/util/Insets.java
@@ -43,6 +43,7 @@ public class Insets implements Cloneable {
public int left;
public int bottom;
public int right;
+ public int hash;
/**
* Creates and initializes a new <code>Insets</code> object with the
@@ -57,6 +58,7 @@ public class Insets implements Cloneable {
this.left = left;
this.bottom = bottom;
this.right = right;
+ this.hash = computeHashCode();
}
/**
@@ -82,12 +84,7 @@ public class Insets implements Cloneable {
* @return a hash code for this Insets.
*/
public int hashCode() {
- int sum1 = left + bottom;
- int sum2 = right + top;
- int val1 = sum1 * (sum1 + 1)/2 + left;
- int val2 = sum2 * (sum2 + 1)/2 + top;
- int sum3 = val1 + val2;
- return sum3 * (sum3 + 1)/2 + val2;
+ return hash;
}
public String toString() {
@@ -103,4 +100,12 @@ public class Insets implements Cloneable {
}
}
+ protected int computeHashCode() {
+ int sum1 = left + bottom;
+ int sum2 = right + top;
+ int val1 = sum1 * (sum1 + 1)/2 + left;
+ int val2 = sum2 * (sum2 + 1)/2 + top;
+ int sum3 = val1 + val2;
+ return sum3 * (sum3 + 1)/2 + val2;
+ }
}
diff --git a/src/nativewindow/classes/javax/media/nativewindow/util/Point.java b/src/nativewindow/classes/javax/media/nativewindow/util/Point.java
index a541b3cfd..1ece49ffb 100644
--- a/src/nativewindow/classes/javax/media/nativewindow/util/Point.java
+++ b/src/nativewindow/classes/javax/media/nativewindow/util/Point.java
@@ -4,14 +4,14 @@
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
- *
+ *
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
- *
+ *
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
@@ -21,29 +21,62 @@
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
+ *
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
-
package javax.media.nativewindow.util;
-public class Point {
+public class Point implements Cloneable, PointReadOnly {
int x;
int y;
+ public Point(int x, int y) {
+ this.x=x;
+ this.y=y;
+ }
+
public Point() {
this(0, 0);
}
- public Point(int x, int y) {
- this.x=x;
- this.y=y;
+ public Object clone() {
+ try {
+ return super.clone();
+ } catch (CloneNotSupportedException ex) {
+ throw new InternalError();
+ }
}
- public int getX() { return x; }
- public int getY() { return y; }
+
+ public boolean equals(Object obj) {
+ if (obj instanceof Point) {
+ Point p = (Point)obj;
+ return y == p.y && x == p.x;
+ }
+ return false;
+ }
+
+ public int getX() {
+ return x;
+ }
+
+ public int getY() {
+ return y;
+ }
+
+ public int hashCode() {
+ // 31 * x == (x << 5) - x
+ int hash = 31 + x;
+ hash = ((hash << 5) - hash) + y;
+ return hash;
+ }
+
+ public String toString() {
+ return new String("Point[" + x + " / " + y + "]");
+ }
+
public void setX(int x) { this.x = x; }
public void setY(int y) { this.y = y; }
@@ -59,35 +92,4 @@ public class Point {
return this;
}
- public String toString() {
- return new String("Point["+x+"/"+y+"]");
- }
-
- /**
- * Checks whether two points objects are equal. Two instances
- * of <code>Point</code> are equal if the four integer values
- * of the fields <code>y</code> and <code>x</code>
- * are equal.
- * @return <code>true</code> if the two points are equal;
- * otherwise <code>false</code>.
- */
- public boolean equals(Object obj) {
- if (obj instanceof Point) {
- Point p = (Point)obj;
- return (y == p.y) && (x == p.x);
- }
- return false;
- }
-
- /**
- * Returns the hash code for this Point.
- *
- * @return a hash code for this Point.
- */
- public int hashCode() {
- int sum1 = x + y;
- return sum1 * (sum1 + 1)/2 + x;
- }
-
}
-
diff --git a/src/nativewindow/classes/javax/media/nativewindow/util/PointReadOnly.java b/src/nativewindow/classes/javax/media/nativewindow/util/PointReadOnly.java
new file mode 100644
index 000000000..9caaf7fee
--- /dev/null
+++ b/src/nativewindow/classes/javax/media/nativewindow/util/PointReadOnly.java
@@ -0,0 +1,50 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ * Copyright (c) 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package javax.media.nativewindow.util;
+
+/** Immutable Point interface */
+public interface PointReadOnly extends Cloneable {
+
+ int getX();
+
+ int getY();
+
+ /**
+ * Checks whether two points objects are equal. Two instances
+ * of <code>PointReadOnly</code> are equal if the two components
+ * <code>y</code> and <code>x</code> are equal.
+ * @return <code>true</code> if the two points are equal;
+ * otherwise <code>false</code>.
+ */
+ public boolean equals(Object obj);
+
+ public int hashCode();
+
+}
diff --git a/src/nativewindow/classes/javax/media/nativewindow/util/Rectangle.java b/src/nativewindow/classes/javax/media/nativewindow/util/Rectangle.java
index 84e970b9f..015a78a32 100644
--- a/src/nativewindow/classes/javax/media/nativewindow/util/Rectangle.java
+++ b/src/nativewindow/classes/javax/media/nativewindow/util/Rectangle.java
@@ -26,10 +26,9 @@
* or implied, of JogAmp Community.
*/
-
package javax.media.nativewindow.util;
-public class Rectangle {
+public class Rectangle implements Cloneable, RectangleReadOnly {
int x;
int y;
int width;
@@ -45,6 +44,15 @@ public class Rectangle {
this.width=width;
this.height=height;
}
+
+ protected Object clone() {
+ try {
+ return super.clone();
+ } catch (CloneNotSupportedException ex) {
+ throw new InternalError();
+ }
+ }
+
public int getX() { return x; }
public int getY() { return y; }
public int getWidth() { return width; }
@@ -54,14 +62,6 @@ public class Rectangle {
public void setWidth(int width) { this.width = width; }
public void setHeight(int height) { this.height = height; }
- /**
- * Checks whether two rect objects are equal. Two instances
- * of <code>Rectangle</code> are equal if the four integer values
- * of the fields <code>y</code>, <code>x</code>,
- * <code>height</code>, and <code>width</code> are all equal.
- * @return <code>true</code> if the two rectangles are equal;
- * otherwise <code>false</code>.
- */
public boolean equals(Object obj) {
if (obj instanceof Rectangle) {
Rectangle rect = (Rectangle)obj;
@@ -71,11 +71,6 @@ public class Rectangle {
return false;
}
- /**
- * Returns the hash code for this Rectangle.
- *
- * @return a hash code for this Rectangle.
- */
public int hashCode() {
int sum1 = x + height;
int sum2 = width + y;
diff --git a/src/nativewindow/classes/javax/media/nativewindow/util/RectangleReadOnly.java b/src/nativewindow/classes/javax/media/nativewindow/util/RectangleReadOnly.java
new file mode 100644
index 000000000..9ffa07373
--- /dev/null
+++ b/src/nativewindow/classes/javax/media/nativewindow/util/RectangleReadOnly.java
@@ -0,0 +1,54 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package javax.media.nativewindow.util;
+
+/** Immutable Rectangle interface */
+public interface RectangleReadOnly {
+
+ /**
+ * Checks whether two rect objects are equal. Two instances
+ * of <code>Rectangle</code> are equal if the four integer values
+ * of the fields <code>y</code>, <code>x</code>,
+ * <code>height</code>, and <code>width</code> are all equal.
+ * @return <code>true</code> if the two rectangles are equal;
+ * otherwise <code>false</code>.
+ */
+ boolean equals(Object obj);
+
+ int getHeight();
+
+ int getWidth();
+
+ int getX();
+
+ int getY();
+
+ int hashCode();
+
+}
diff --git a/src/nativewindow/classes/javax/media/nativewindow/util/SurfaceSize.java b/src/nativewindow/classes/javax/media/nativewindow/util/SurfaceSize.java
new file mode 100644
index 000000000..2973f5a86
--- /dev/null
+++ b/src/nativewindow/classes/javax/media/nativewindow/util/SurfaceSize.java
@@ -0,0 +1,94 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ * Copyright (c) 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package javax.media.nativewindow.util;
+
+/** Immutable SurfaceSize Class, consisting of it's read only components:<br>
+ * <ul>
+ * <li>{@link javax.media.nativewindow.util.DimensionReadOnly} size in pixels</li>
+ * <li><code>bits per pixel</code></li>
+ * </ul>
+ */
+public class SurfaceSize implements Cloneable {
+ DimensionReadOnly resolution;
+ int bitsPerPixel;
+
+ public SurfaceSize(DimensionReadOnly resolution, int bitsPerPixel) {
+ if(null==resolution || bitsPerPixel<=0) {
+ throw new IllegalArgumentException("resolution must be set and bitsPerPixel greater 0");
+ }
+ this.resolution=resolution;
+ this.bitsPerPixel=bitsPerPixel;
+ }
+
+ public Object clone() {
+ try {
+ return super.clone();
+ } catch (CloneNotSupportedException ex) {
+ throw new InternalError();
+ }
+ }
+
+ public final DimensionReadOnly getResolution() {
+ return resolution;
+ }
+
+ public final int getBitsPerPixel() {
+ return bitsPerPixel;
+ }
+
+ public final String toString() {
+ return new String("SurfaceSize["+resolution+" x "+bitsPerPixel+" bpp]");
+ }
+
+ /**
+ * Checks whether two size objects are equal. Two instances
+ * of <code>SurfaceSize</code> are equal if the two components
+ * <code>resolution</code> and <code>bitsPerPixel</code>
+ * are equal.
+ * @return <code>true</code> if the two dimensions are equal;
+ * otherwise <code>false</code>.
+ */
+ public final boolean equals(Object obj) {
+ if (obj instanceof SurfaceSize) {
+ SurfaceSize p = (SurfaceSize)obj;
+ return getResolution().equals(p.getResolution()) &&
+ getBitsPerPixel() == p.getBitsPerPixel();
+ }
+ return false;
+ }
+
+ public final int hashCode() {
+ // 31 * x == (x << 5) - x
+ int hash = 31 + getResolution().hashCode();
+ hash = ((hash << 5) - hash) + getBitsPerPixel();
+ return hash;
+ }
+}
+