200 lines
7.4 KiB
Java
200 lines
7.4 KiB
Java
/*
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* Copyright (c) 2002-2004 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.nio.ByteBuffer;
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import java.nio.FloatBuffer;
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import java.nio.IntBuffer;
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import org.lwjgl.LWJGLException;
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import org.lwjgl.LWJGLUtil;
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import org.lwjgl.input.Cursor;
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final class Win32Display implements DisplayImplementation {
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private static Win32DisplayPeerInfo peer_info;
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public void createWindow(DisplayMode mode, boolean fullscreen, int x, int y) throws LWJGLException {
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nCreateWindow(mode, fullscreen, x, y);
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peer_info.initDC();
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}
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private native void nCreateWindow(DisplayMode mode, boolean fullscreen, int x, int y) throws LWJGLException;
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public native void destroyWindow();
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public native void switchDisplayMode(DisplayMode mode) throws LWJGLException;
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public native void resetDisplayMode();
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public native int getGammaRampLength();
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public native void setGammaRamp(FloatBuffer gammaRamp) throws LWJGLException;
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public native String getAdapter();
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public native String getVersion();
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public native DisplayMode init() throws LWJGLException;
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public native void setTitle(String title);
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public native boolean isCloseRequested();
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public native boolean isVisible();
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public native boolean isActive();
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public native boolean isDirty();
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public PeerInfo createPeerInfo(PixelFormat pixel_format) throws LWJGLException {
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peer_info = new Win32DisplayPeerInfo(pixel_format);
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return peer_info;
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}
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public void update() {
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nUpdate();
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if (didMaximize()) {
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/**
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* WORKAROUND:
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* Making the context current (redundantly) when the window
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* is maximized helps some gfx recover from fullscreen
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*/
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try {
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if (Display.getContext().isCurrent())
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Display.getContext().makeCurrent();
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} catch (LWJGLException e) {
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LWJGLUtil.log("Exception occurred while trying to make context current: " + e);
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}
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}
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}
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private native void nUpdate();
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private native boolean didMaximize();
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public native void reshape(int x, int y, int width, int height);
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public native DisplayMode[] getAvailableDisplayModes() throws LWJGLException;
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/* Mouse */
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public native boolean hasWheel();
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public native int getButtonCount();
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public native void createMouse() throws LWJGLException;
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public native void destroyMouse();
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public native void pollMouse(IntBuffer coord_buffer, ByteBuffer buttons);
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public native int readMouse(IntBuffer buffer, int buffer_position);
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public native void grabMouse(boolean grab);
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public int getNativeCursorCapabilities() {
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return Cursor.CURSOR_ONE_BIT_TRANSPARENCY;
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}
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public native void setCursorPosition(int x, int y);
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public native void setNativeCursor(Object handle) throws LWJGLException;
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public native int getMinCursorSize();
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public native int getMaxCursorSize();
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/* Keyboard */
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public native void createKeyboard() throws LWJGLException;
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public native void destroyKeyboard();
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public native void pollKeyboard(ByteBuffer keyDownBuffer);
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public native int readKeyboard(IntBuffer buffer, int buffer_position);
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public native int isStateKeySet(int key);
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public native ByteBuffer nCreateCursor(int width, int height, int xHotspot, int yHotspot, int numImages, IntBuffer images, int images_offset, IntBuffer delays, int delays_offset) throws LWJGLException;
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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 nCreateCursor(width, height, xHotspot, yHotspot, numImages, images, images.position(), delays, delays != null ? delays.position() : -1);
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}
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public native void destroyCursor(Object cursorHandle);
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public int getPbufferCapabilities() {
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try {
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// Return the capabilities of a minimum pixel format
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return nGetPbufferCapabilities(new PixelFormat(0, 0, 0, 0, 0, 0, 0, 0, false));
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} catch (LWJGLException e) {
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LWJGLUtil.log("Exception occurred while determining pbuffer capabilities: " + e);
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return 0;
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}
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}
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private native int nGetPbufferCapabilities(PixelFormat format) throws LWJGLException;
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public boolean isBufferLost(PeerInfo handle) {
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return ((Win32PbufferPeerInfo)handle).isBufferLost();
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}
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public PeerInfo createPbuffer(int width, int height, PixelFormat pixel_format,
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IntBuffer pixelFormatCaps,
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IntBuffer pBufferAttribs) throws LWJGLException {
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return new Win32PbufferPeerInfo(width, height, pixel_format, pixelFormatCaps, pBufferAttribs);
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}
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public void setPbufferAttrib(PeerInfo handle, int attrib, int value) {
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((Win32PbufferPeerInfo)handle).setPbufferAttrib(attrib, value);
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}
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public void bindTexImageToPbuffer(PeerInfo handle, int buffer) {
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((Win32PbufferPeerInfo)handle).bindTexImageToPbuffer(buffer);
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}
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public void releaseTexImageFromPbuffer(PeerInfo handle, int buffer) {
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((Win32PbufferPeerInfo)handle).releaseTexImageFromPbuffer(buffer);
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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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boolean done16 = false;
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boolean done32 = false;
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int used = 0;
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for (int i=0;i<icons.length;i++) {
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int size = icons[i].limit();
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if ((((int) Math.sqrt(size)) == 16) && (!done16)) {
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nSetWindowIcon16(icons[i]);
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used++;
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done16 = true;
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}
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if ((((int) Math.sqrt(size)) == 32) && (!done32)) {
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nSetWindowIcon32(icons[i]);
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used++;
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done32 = true;
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}
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}
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return used;
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}
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private static native int nSetWindowIcon16(ByteBuffer icon);
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private static native int nSetWindowIcon32(ByteBuffer icon);
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}
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