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/*
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.glass.ui.lens;
import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.nio.IntBuffer;
import com.sun.glass.ui.Cursor;
import com.sun.glass.ui.Pixels;
import com.sun.glass.ui.Size;
final class LensCursor extends Cursor {
// LensCursor doesn't use ptr from superclass
private long ptr = 0;
protected LensCursor(int type) {
super(type);
if (type != CURSOR_NONE && type != CURSOR_DISAPPEAR) {
ptr = _createNativeCursorByType(type);
}
}
protected LensCursor(int x, int y, Pixels pixels) {
super(x, y, pixels);
ptr = getNativeCursor();
}
protected void finalize() throws Throwable {
try {
if (ptr != 0) {
_releaseNativeCursor(ptr);
}
} finally {
super.finalize();
}
}
@Override
protected long _createCursor(int x, int y, Pixels pixels) {
long res = 0;
Buffer data = pixels.getPixels();
int width = pixels.getWidth();
int height = pixels.getHeight();
if (data != null) {
if (!data.isDirect()) {
if (pixels.getBytesPerComponent() == 4) {
IntBuffer ints = (IntBuffer)(data.rewind());
int[] intArray = ints.array();
res = _createNativeCursorInts(x, y, intArray, width, height);
} else if (pixels.getBytesPerComponent() == 1) {
ByteBuffer bytes = (ByteBuffer)(data.rewind());
byte[] byteArray = bytes.array();
res = _createNativeCursorBytes(x, y, byteArray, width, height);
}
} else {
data.rewind();
res = _createNativeCursorDirect(x, y, data, data.capacity(), width , height);
}
}
return res;
}
void set() {
if (ptr != 0) {
_setNativeCursor(ptr);
}
int type = getType();
if (type == CURSOR_DISAPPEAR) {
_setVisible(false);
}
}
static void setVisible_impl(boolean visible) {
_setVisible(visible);
}
static Size getBestSize_impl(int width, int height) {
return new Size(16, 16);
}
native private void _setNativeCursor(long ptr);
native private void _releaseNativeCursor(long ptr);
native private long _createNativeCursorByType(int type);
native private long _createNativeCursorInts(int x, int y, int[] array, int width, int height);
native private long _createNativeCursorBytes(int x, int y, byte[] array, int width, int height);
native private long _createNativeCursorDirect(int x, int y, Buffer array, int capacity, int width, int height);
native static private void _setVisible(boolean isVisible);
}