503 lines
15 KiB
Java
503 lines
15 KiB
Java
/*
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* Copyright (c) 2002-2008 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.opengl;
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/**
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* This is the Display implementation interface. Display delegates
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* to implementors of this interface. There is one DisplayImplementation
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* for each supported platform.
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* @author elias_naur
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*/
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import java.awt.Canvas;
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import java.awt.Cursor;
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import java.awt.GraphicsDevice;
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import java.awt.GraphicsEnvironment;
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import java.awt.Robot;
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import java.nio.ByteBuffer;
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import java.nio.FloatBuffer;
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import java.nio.IntBuffer;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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import java.security.PrivilegedExceptionAction;
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import java.util.ArrayList;
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import java.util.List;
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import org.lwjgl.BufferUtils;
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import org.lwjgl.MemoryUtil;
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import org.lwjgl.LWJGLException;
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import org.lwjgl.LWJGLUtil;
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import com.apple.eawt.Application;
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import com.apple.eawt.ApplicationAdapter;
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import com.apple.eawt.ApplicationEvent;
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import static org.lwjgl.opengl.GL11.*;
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final class MacOSXDisplay implements DisplayImplementation {
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private static final int PBUFFER_HANDLE_SIZE = 24;
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private static final int GAMMA_LENGTH = 256;
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private MacOSXCanvasListener canvas_listener;
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private Canvas canvas;
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private Robot robot;
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//private MacOSXMouseEventQueue mouse_queue;
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private KeyboardEventQueue keyboard_queue;
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private java.awt.DisplayMode requested_mode;
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/* Members for native window use */
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private MacOSXNativeMouse mouse;
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private MacOSXNativeKeyboard keyboard;
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private ByteBuffer window;
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private ByteBuffer context;
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private int x;
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private int y;
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private int width;
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private int height;
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private boolean close_requested;
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MacOSXDisplay() {
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}
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private native ByteBuffer nCreateWindow(int x, int y, int width, int height, boolean fullscreen, boolean undecorated, ByteBuffer peer_info_handle, ByteBuffer window_handle) throws LWJGLException;
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private native boolean nIsMiniaturized(ByteBuffer window_handle);
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private native boolean nIsFocused(ByteBuffer window_handle);
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private native void nSetResizable(ByteBuffer window_handle, boolean resizable);
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private native void nResizeWindow(ByteBuffer window_handle, int x, int y, int width, int height);
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private native boolean nWasResized(ByteBuffer window_handle);
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private native int nGetWidth(ByteBuffer window_handle);
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private native int nGetHeight(ByteBuffer window_handle);
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private static boolean isUndecorated() {
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return Display.getPrivilegedBoolean("org.lwjgl.opengl.Window.undecorated");
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}
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public void createWindow(final DrawableLWJGL drawable, DisplayMode mode, Canvas parent, int x, int y) throws LWJGLException {
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boolean fullscreen = Display.isFullscreen();
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hideUI(fullscreen);
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close_requested = false;
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DrawableGL gl_drawable = (DrawableGL)Display.getDrawable();
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PeerInfo peer_info = gl_drawable.peer_info;
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ByteBuffer peer_handle = peer_info.lockAndGetHandle();
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try {
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window = nCreateWindow(x, y, mode.getWidth(), mode.getHeight(),
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fullscreen, isUndecorated(),
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peer_handle, window);
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this.x = x;
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this.y = y;
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this.width = mode.getWidth();
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this.height = mode.getHeight();
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this.canvas = parent;
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} catch (LWJGLException e) {
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destroyWindow();
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throw e;
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} finally {
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peer_info.unlock();
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}
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}
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public void doHandleQuit() {
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synchronized (this) {
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close_requested = true;
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}
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}
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public native void nDestroyWindow(ByteBuffer window_handle);
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public void destroyWindow() {
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nDestroyWindow(window);
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hideUI(false);
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}
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public int getGammaRampLength() {
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return GAMMA_LENGTH;
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}
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public native void setGammaRamp(FloatBuffer gammaRamp) throws LWJGLException;
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public String getAdapter() {
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return null;
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}
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public String getVersion() {
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return null;
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}
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private static boolean equals(java.awt.DisplayMode awt_mode, DisplayMode mode) {
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return awt_mode.getWidth() == mode.getWidth() && awt_mode.getHeight() == mode.getHeight()
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&& awt_mode.getBitDepth() == mode.getBitsPerPixel() && awt_mode.getRefreshRate() == mode.getFrequency();
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}
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public void switchDisplayMode(DisplayMode mode) throws LWJGLException {
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java.awt.DisplayMode[] awt_modes = getDevice().getDisplayModes();
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for ( java.awt.DisplayMode awt_mode : awt_modes ) {
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if (equals(awt_mode, mode)) {
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requested_mode = awt_mode;
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return;
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}
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}
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throw new LWJGLException(mode + " is not supported");
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}
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private static GraphicsDevice getDevice() {
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GraphicsEnvironment g_env = GraphicsEnvironment.getLocalGraphicsEnvironment();
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GraphicsDevice device = g_env.getDefaultScreenDevice();
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return device;
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}
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public void resetDisplayMode() {
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requested_mode = null;
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restoreGamma();
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}
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private native void restoreGamma();
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private static DisplayMode createLWJGLDisplayMode(java.awt.DisplayMode awt_mode) {
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int bit_depth;
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int refresh_rate;
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int awt_bit_depth = awt_mode.getBitDepth();
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int awt_refresh_rate = awt_mode.getRefreshRate();
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if (awt_bit_depth != java.awt.DisplayMode.BIT_DEPTH_MULTI)
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bit_depth = awt_bit_depth;
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else
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bit_depth = 32; // Assume the best bit depth
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if (awt_refresh_rate != java.awt.DisplayMode.REFRESH_RATE_UNKNOWN)
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refresh_rate = awt_refresh_rate;
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else
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refresh_rate = 0;
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return new DisplayMode(awt_mode.getWidth(), awt_mode.getHeight(), bit_depth, refresh_rate);
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}
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public DisplayMode init() throws LWJGLException {
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return createLWJGLDisplayMode(getDevice().getDisplayMode());
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}
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public DisplayMode[] getAvailableDisplayModes() throws LWJGLException {
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java.awt.DisplayMode[] awt_modes = getDevice().getDisplayModes();
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List<DisplayMode> modes = new ArrayList<DisplayMode>();
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for ( java.awt.DisplayMode awt_mode : awt_modes )
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if ( awt_mode.getBitDepth() >= 16 )
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modes.add(createLWJGLDisplayMode(awt_mode));
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return modes.toArray(new DisplayMode[modes.size()]);
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}
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private native void nSetTitle(ByteBuffer window_handle, ByteBuffer title_buffer);
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public void setTitle(String title) {
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ByteBuffer buffer = MemoryUtil.encodeUTF8(title);
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nSetTitle(window, buffer);
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}
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public boolean isCloseRequested() {
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boolean result;
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synchronized (this) {
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result = close_requested;
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close_requested = false;
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}
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return result;
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}
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public boolean isVisible() {
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return true;
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}
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public boolean isActive() {
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boolean ret = nIsFocused(window);
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return ret;
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}
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public Canvas getCanvas() {
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return canvas;
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}
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public boolean isDirty() {
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return false;
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}
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public PeerInfo createPeerInfo(PixelFormat pixel_format, ContextAttribs attribs) throws LWJGLException {
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try {
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return new MacOSXDisplayPeerInfo(pixel_format, attribs, true);
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} catch (LWJGLException e) {
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return new MacOSXDisplayPeerInfo(pixel_format, attribs, false);
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}
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}
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private static final IntBuffer current_viewport = BufferUtils.createIntBuffer(16);
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public void update() {
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boolean should_update = true;
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/*
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* Workaround for the "white screen in fullscreen mode" problem
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*
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* Sometimes, switching from windowed mode to fullscreen or simply creating the Display
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* in fullscreen mode will result in the context not being bound to the window correctly.
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* The program runs fine, but the canvas background (white) is shown instead of the context
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* front buffer.
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*
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* I've discovered that re-binding the context with another setView() won't fix the problem, while a
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* clearDrawable() followed by a setView() does work. A straightforward workaround would be
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* to simply run the combination at every update(). This is not sufficient, since the clearDrawable()
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* call makes the the background appear shortly, causing visual artifacts.
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* What we really need is a way to detect that a setView() failed, and then do the magic combo. I've not
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* been able to find such a detection so alternatively I'm triggering the combo if the display is fullscreen
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* (I've not seen the white screen problem in windowed mode) and if the canvas has gotten a paint message or
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* if its update flag was set.
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*
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* My testing seems to indicate that the workaround works, since I've not seen the problem after the fix.
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*
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* - elias
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*/
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DrawableGL drawable = (DrawableGL)Display.getDrawable();
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if (should_update) {
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drawable.context.update();
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/* This is necessary to make sure the context won't "forget" about the view size */
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glGetInteger(GL_VIEWPORT, current_viewport);
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glViewport(current_viewport.get(0), current_viewport.get(1), current_viewport.get(2), current_viewport.get(3));
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}
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}
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/**
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* This is an interface to the native Cocoa function,
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* NSWindow:setStyleMask. It is used to set the window's border to
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* undecorated.
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*/
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private void hideUI(boolean hide) {
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//if (!LWJGLUtil.isMacOSXEqualsOrBetterThan(10, 4))
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nHideUI(window, hide);
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}
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private native void nHideUI(ByteBuffer window_handle, boolean hide);
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public void reshape(int x, int y, int width, int height) {
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//if (native_mode) {
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// nResizeWindow(window, x, y, width, height);
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//}
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}
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/* Mouse */
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public boolean hasWheel() {
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return AWTUtil.hasWheel();
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}
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public int getButtonCount() {
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return AWTUtil.getButtonCount();
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}
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public void createMouse() throws LWJGLException {
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mouse = new MacOSXNativeMouse(this, window);
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mouse.register();
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}
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public void destroyMouse() {
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//MacOSXMouseEventQueue.nGrabMouse(false);
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if (mouse != null) {
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mouse.unregister();
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}
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mouse = null;
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}
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public void pollMouse(IntBuffer coord_buffer, ByteBuffer buttons_buffer) {
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mouse.poll(coord_buffer, buttons_buffer);
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}
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public void readMouse(ByteBuffer buffer) {
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mouse.copyEvents(buffer);
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}
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public void grabMouse(boolean grab) {
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mouse.setGrabbed(grab);
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}
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public int getNativeCursorCapabilities() {
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return AWTUtil.getNativeCursorCapabilities();
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}
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public void setCursorPosition(int x, int y) {
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if (mouse != null) {
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mouse.warpCursor(x, y);
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}
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//MacOSXMouseEventQueue.nWarpCursor(x, y);
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}
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public void setNativeCursor(Object handle) throws LWJGLException {
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}
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public int getMinCursorSize() {
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return AWTUtil.getMinCursorSize();
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}
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public int getMaxCursorSize() {
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return AWTUtil.getMaxCursorSize();
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}
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/* Keyboard */
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public void createKeyboard() throws LWJGLException {
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this.keyboard = new MacOSXNativeKeyboard(window);
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keyboard.register();
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}
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public void destroyKeyboard() {
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if (keyboard != null) {
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keyboard.unregister();
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}
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keyboard = null;
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}
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public void pollKeyboard(ByteBuffer keyDownBuffer) {
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keyboard.poll(keyDownBuffer);
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}
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public void readKeyboard(ByteBuffer buffer) {
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keyboard.copyEvents(buffer);
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}
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/** Native cursor handles */
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public Object createCursor(int width, int height, int xHotspot, int yHotspot, int numImages, IntBuffer images, IntBuffer delays) throws LWJGLException {
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return AWTUtil.createCursor(width, height, xHotspot, yHotspot, numImages, images, delays);
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}
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public void destroyCursor(Object cursor_handle) {
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}
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public int getPbufferCapabilities() {
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if (LWJGLUtil.isMacOSXEqualsOrBetterThan(10, 3))
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return Pbuffer.PBUFFER_SUPPORTED;
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else
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return 0;
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}
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public boolean isBufferLost(PeerInfo handle) {
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return false;
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}
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public PeerInfo createPbuffer(int width, int height, PixelFormat pixel_format, ContextAttribs attribs,
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IntBuffer pixelFormatCaps,
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IntBuffer pBufferAttribs) throws LWJGLException {
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return new MacOSXPbufferPeerInfo(width, height, pixel_format, attribs);
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}
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public void setPbufferAttrib(PeerInfo handle, int attrib, int value) {
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throw new UnsupportedOperationException();
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}
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public void bindTexImageToPbuffer(PeerInfo handle, int buffer) {
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throw new UnsupportedOperationException();
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}
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public void releaseTexImageFromPbuffer(PeerInfo handle, int buffer) {
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throw new UnsupportedOperationException();
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}
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/**
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* Sets one or more icons for the Display.
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* <ul>
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* <li>On Windows you should supply at least one 16x16 icon and one 32x32.</li>
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* <li>Linux (and similar platforms) expect one 32x32 icon.</li>
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* <li>Mac OS X should be supplied one 128x128 icon</li>
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* </ul>
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* The implementation will use the supplied ByteBuffers with image data in RGBA and perform any conversions nescesarry for the specific platform.
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*
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* @param icons Array of icons in RGBA mode
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* @return number of icons used.
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*/
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public int setIcon(ByteBuffer[] icons) {
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/* int size = 0;
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int biggest = -1;
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for (int i=0;i<icons.length;i++) {
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if (icons[i].remaining() > size) {
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biggest = i;
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size = icons[i].remaining();
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}
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}
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if (biggest == -1) {
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return 0;
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}
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int width;
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int height;
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IntBuffer biggest_icon = icons[biggest].asIntBuffer();
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int[] imageData = new int[biggest_icon.remaining()];
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width = height = (int) Math.sqrt(imageData.length);
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biggest_icon.get(imageData);
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BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
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img.setRGB(0, 0, width, height, imageData, 0, width);
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frame.setIconImage(img);
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return 1;*/
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// Don't use any icon, since Mac OS X windows don't have window icons
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return 0;
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}
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public int getX() {
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return x;
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}
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public int getY() {
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return y;
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}
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public int getWidth() {
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return nGetWidth(window);
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}
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public int getHeight() {
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return nGetHeight(window);
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}
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public boolean isInsideWindow() {
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return true;
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}
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public void setResizable(boolean resizable) {
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nSetResizable(window, resizable);
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}
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public boolean wasResized() {
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return nWasResized(window);
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}
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}
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