diff options
Diffstat (limited to 'src/jogl/classes/com/jogamp/opengl/util/awt/Screenshot.java')
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/util/awt/Screenshot.java | 414 |
1 files changed, 0 insertions, 414 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/util/awt/Screenshot.java b/src/jogl/classes/com/jogamp/opengl/util/awt/Screenshot.java deleted file mode 100644 index ac208044b..000000000 --- a/src/jogl/classes/com/jogamp/opengl/util/awt/Screenshot.java +++ /dev/null @@ -1,414 +0,0 @@ -/* - * Copyright (c) 2005 Sun Microsystems, Inc. All Rights Reserved. - * Copyright (c) 2013 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: - * - * - Redistribution of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistribution 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. - * - * Neither the name of Sun Microsystems, Inc. or the names of - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * This software is provided "AS IS," without a warranty of any kind. ALL - * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, - * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN - * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR - * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR - * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR - * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR - * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE - * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, - * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF - * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - * - * You acknowledge that this software is not designed or intended for use - * in the design, construction, operation or maintenance of any nuclear - * facility. - */ - -package com.jogamp.opengl.util.awt; - -import java.awt.image.BufferedImage; -import java.awt.image.DataBufferByte; -import java.io.File; -import java.io.IOException; -import java.nio.ByteBuffer; - -import javax.imageio.ImageIO; -import javax.media.opengl.GL; -import javax.media.opengl.GL2; -import javax.media.opengl.GL2GL3; -import javax.media.opengl.GLContext; -import javax.media.opengl.GLDrawable; -import javax.media.opengl.GLException; - -import com.jogamp.common.util.IOUtil; -import com.jogamp.opengl.GLExtensions; -import com.jogamp.opengl.util.GLPixelStorageModes; -import com.jogamp.opengl.util.TGAWriter; - -/** - * Utilities for taking screenshots of OpenGL applications. - * @deprecated Please consider using {@link com.jogamp.opengl.util.GLReadBufferUtil}, - * which is AWT independent and does not require a CPU based vertical image flip - * in case drawable {@link GLDrawable#isGLOriented() is in OpenGL orientation}. - * Further more you may use {@link AWTGLReadBufferUtil} to read out - * the framebuffer into a BufferedImage for further AWT processing. - */ -public class Screenshot { - private Screenshot() {} - - /** - * Takes a fast screenshot of the current OpenGL drawable to a Targa - * file. Requires the OpenGL context for the desired drawable to be - * current. Takes the screenshot from the last assigned read buffer, - * or the OpenGL default read buffer if none has been specified by - * the user (GL_FRONT for single-buffered configurations and GL_BACK - * for double-buffered configurations). This is the fastest - * mechanism for taking a screenshot of an application. Contributed - * by Carsten Weisse of Bytonic Software (http://bytonic.de/). <p> - * - * No alpha channel is written with this variant. - * - * @param file the file to write containing the screenshot - * @param width the width of the current drawable - * @param height the height of the current drawable - * - * @throws GLException if an OpenGL context was not current or - * another OpenGL-related error occurred - * @throws IOException if an I/O error occurred while writing the - * file - */ - public static void writeToTargaFile(final File file, - final int width, - final int height) throws GLException, IOException { - writeToTargaFile(file, width, height, false); - } - - /** - * Takes a fast screenshot of the current OpenGL drawable to a Targa - * file. Requires the OpenGL context for the desired drawable to be - * current. Takes the screenshot from the last assigned read buffer, - * or the OpenGL default read buffer if none has been specified by - * the user (GL_FRONT for single-buffered configurations and GL_BACK - * for double-buffered configurations). This is the fastest - * mechanism for taking a screenshot of an application. Contributed - * by Carsten Weisse of Bytonic Software (http://bytonic.de/). - * - * @param file the file to write containing the screenshot - * @param width the width of the current drawable - * @param height the height of the current drawable - * @param alpha whether the alpha channel should be saved. If true, - * requires GL_EXT_abgr extension to be present. - * - * @throws GLException if an OpenGL context was not current or - * another OpenGL-related error occurred - * @throws IOException if an I/O error occurred while writing the - * file - */ - public static void writeToTargaFile(final File file, - final int width, - final int height, - final boolean alpha) throws GLException, IOException { - writeToTargaFile(file, 0, 0, width, height, alpha); - } - - /** - * Takes a fast screenshot of the current OpenGL drawable to a Targa - * file. Requires the OpenGL context for the desired drawable to be - * current. Takes the screenshot from the last assigned read buffer, - * or the OpenGL default read buffer if none has been specified by - * the user (GL_FRONT for single-buffered configurations and GL_BACK - * for double-buffered configurations). This is the fastest - * mechanism for taking a screenshot of an application. Contributed - * by Carsten Weisse of Bytonic Software (http://bytonic.de/). - * - * @param file the file to write containing the screenshot - * @param x the starting x coordinate of the screenshot, measured from the lower-left - * @param y the starting y coordinate of the screenshot, measured from the lower-left - * @param width the width of the desired screenshot area - * @param height the height of the desired screenshot area - * @param alpha whether the alpha channel should be saved. If true, - * requires GL_EXT_abgr extension to be present. - * - * @throws GLException if an OpenGL context was not current or - * another OpenGL-related error occurred - * @throws IOException if an I/O error occurred while writing the - * file - */ - public static void writeToTargaFile(final File file, - final int x, - final int y, - final int width, - final int height, - final boolean alpha) throws GLException, IOException { - if (alpha) { - checkExtABGR(); - } - - final TGAWriter writer = new TGAWriter(); - writer.open(file, width, height, alpha); - final ByteBuffer bgr = writer.getImageData(); - - final GL gl = GLContext.getCurrentGL(); - - // Set up pixel storage modes - final GLPixelStorageModes psm = new GLPixelStorageModes(); - psm.setPackAlignment(gl, 1); - - final int readbackType = (alpha ? GL2.GL_ABGR_EXT : GL2GL3.GL_BGR); - - // read the BGR values into the image buffer - gl.glReadPixels(x, y, width, height, readbackType, - GL.GL_UNSIGNED_BYTE, bgr); - - // Restore pixel storage modes - psm.restore(gl); - - // close the file - writer.close(); - } - - /** - * Takes a screenshot of the current OpenGL drawable to a - * BufferedImage. Requires the OpenGL context for the desired - * drawable to be current. Takes the screenshot from the last - * assigned read buffer, or the OpenGL default read buffer if none - * has been specified by the user (GL_FRONT for single-buffered - * configurations and GL_BACK for double-buffered configurations). - * Note that the scanlines of the resulting image are flipped - * vertically in order to correctly match the OpenGL contents, which - * takes time and is therefore not as fast as the Targa screenshot - * function. <P> - * - * No alpha channel is read back with this variant. - * - * @param width the width of the current drawable - * @param height the height of the current drawable - * - * @throws GLException if an OpenGL context was not current or - * another OpenGL-related error occurred - */ - public static BufferedImage readToBufferedImage(final int width, - final int height) throws GLException { - return readToBufferedImage(width, height, false); - } - - /** - * Takes a screenshot of the current OpenGL drawable to a - * BufferedImage. Requires the OpenGL context for the desired - * drawable to be current. Takes the screenshot from the last - * assigned read buffer, or the OpenGL default read buffer if none - * has been specified by the user (GL_FRONT for single-buffered - * configurations and GL_BACK for double-buffered configurations). - * Note that the scanlines of the resulting image are flipped - * vertically in order to correctly match the OpenGL contents, which - * takes time and is therefore not as fast as the Targa screenshot - * function. - * - * @param width the width of the current drawable - * @param height the height of the current drawable - * @param alpha whether the alpha channel should be read back. If - * true, requires GL_EXT_abgr extension to be present. - * - * @throws GLException if an OpenGL context was not current or - * another OpenGL-related error occurred - */ - public static BufferedImage readToBufferedImage(final int width, - final int height, - final boolean alpha) throws GLException { - return readToBufferedImage(0, 0, width, height, alpha); - } - - /** - * Takes a screenshot of the current OpenGL drawable to a - * BufferedImage. Requires the OpenGL context for the desired - * drawable to be current. Takes the screenshot from the last - * assigned read buffer, or the OpenGL default read buffer if none - * has been specified by the user (GL_FRONT for single-buffered - * configurations and GL_BACK for double-buffered configurations). - * Note that the scanlines of the resulting image are flipped - * vertically in order to correctly match the OpenGL contents, which - * takes time and is therefore not as fast as the Targa screenshot - * function. - * - * @param x the starting x coordinate of the screenshot, measured from the lower-left - * @param y the starting y coordinate of the screenshot, measured from the lower-left - * @param width the width of the desired screenshot area - * @param height the height of the desired screenshot area - * @param alpha whether the alpha channel should be read back. If - * true, requires GL_EXT_abgr extension to be present. - * - * @throws GLException if an OpenGL context was not current or - * another OpenGL-related error occurred - */ - public static BufferedImage readToBufferedImage(final int x, - final int y, - final int width, - final int height, - final boolean alpha) throws GLException { - final int bufImgType = (alpha ? BufferedImage.TYPE_4BYTE_ABGR : BufferedImage.TYPE_3BYTE_BGR); - final int readbackType = (alpha ? GL2.GL_ABGR_EXT : GL2GL3.GL_BGR); - - if (alpha) { - checkExtABGR(); - } - - // Allocate necessary storage - final BufferedImage image = new BufferedImage(width, height, bufImgType); - - final GLContext glc = GLContext.getCurrent(); - final GL gl = glc.getGL(); - - // Set up pixel storage modes - final GLPixelStorageModes psm = new GLPixelStorageModes(); - psm.setPackAlignment(gl, 1); - - // read the BGR values into the image - gl.glReadPixels(x, y, width, height, readbackType, - GL.GL_UNSIGNED_BYTE, - ByteBuffer.wrap(((DataBufferByte) image.getRaster().getDataBuffer()).getData())); - - // Restore pixel storage modes - psm.restore(gl); - - if( glc.getGLDrawable().isGLOriented() ) { - // Must flip BufferedImage vertically for correct results - ImageUtil.flipImageVertically(image); - } - return image; - } - - /** - * Takes a screenshot of the current OpenGL drawable to the - * specified file on disk using the ImageIO package. Requires the - * OpenGL context for the desired drawable to be current. Takes the - * screenshot from the last assigned read buffer, or the OpenGL - * default read buffer if none has been specified by the user - * (GL_FRONT for single-buffered configurations and GL_BACK for - * double-buffered configurations). This is not the fastest - * mechanism for taking a screenshot but may be more convenient than - * others for getting images for consumption by other packages. The - * file format is inferred from the suffix of the given file. <P> - * - * No alpha channel is saved with this variant. - * - * @param file the file to write containing the screenshot - * @param width the width of the current drawable - * @param height the height of the current drawable - * - * @throws GLException if an OpenGL context was not current or - * another OpenGL-related error occurred - * - * @throws IOException if an I/O error occurred or if the file could - * not be written to disk due to the requested file format being - * unsupported by ImageIO - */ - public static void writeToFile(final File file, - final int width, - final int height) throws IOException, GLException { - writeToFile(file, width, height, false); - } - - /** - * Takes a screenshot of the current OpenGL drawable to the - * specified file on disk using the ImageIO package. Requires the - * OpenGL context for the desired drawable to be current. Takes the - * screenshot from the last assigned read buffer, or the OpenGL - * default read buffer if none has been specified by the user - * (GL_FRONT for single-buffered configurations and GL_BACK for - * double-buffered configurations). This is not the fastest - * mechanism for taking a screenshot but may be more convenient than - * others for getting images for consumption by other packages. The - * file format is inferred from the suffix of the given file. <P> - * - * Note that some file formats, in particular JPEG, can not handle - * an alpha channel properly. If the "alpha" argument is specified - * as true for such a file format it will be silently ignored. - * - * @param file the file to write containing the screenshot - * @param width the width of the current drawable - * @param height the height of the current drawable - * @param alpha whether an alpha channel should be saved. If true, - * requires GL_EXT_abgr extension to be present. - * - * @throws GLException if an OpenGL context was not current or - * another OpenGL-related error occurred - * - * @throws IOException if an I/O error occurred or if the file could - * not be written to disk due to the requested file format being - * unsupported by ImageIO - */ - public static void writeToFile(final File file, - final int width, - final int height, - final boolean alpha) throws IOException, GLException { - writeToFile(file, 0, 0, width, height, alpha); - } - - /** - * Takes a screenshot of the current OpenGL drawable to the - * specified file on disk using the ImageIO package. Requires the - * OpenGL context for the desired drawable to be current. Takes the - * screenshot from the last assigned read buffer, or the OpenGL - * default read buffer if none has been specified by the user - * (GL_FRONT for single-buffered configurations and GL_BACK for - * double-buffered configurations). This is not the fastest - * mechanism for taking a screenshot but may be more convenient than - * others for getting images for consumption by other packages. The - * file format is inferred from the suffix of the given file. <P> - * - * Note that some file formats, in particular JPEG, can not handle - * an alpha channel properly. If the "alpha" argument is specified - * as true for such a file format it will be silently ignored. - * - * @param file the file to write containing the screenshot - * @param x the starting x coordinate of the screenshot, measured from the lower-left - * @param y the starting y coordinate of the screenshot, measured from the lower-left - * @param width the width of the current drawable - * @param height the height of the current drawable - * @param alpha whether an alpha channel should be saved. If true, - * requires GL_EXT_abgr extension to be present. - * - * @throws GLException if an OpenGL context was not current or - * another OpenGL-related error occurred - * - * @throws IOException if an I/O error occurred or if the file could - * not be written to disk due to the requested file format being - * unsupported by ImageIO - */ - public static void writeToFile(final File file, - final int x, - final int y, - final int width, - final int height, - boolean alpha) throws IOException, GLException { - final String fileSuffix = IOUtil.getFileSuffix(file); - if (alpha && (fileSuffix.equals("jpg") || fileSuffix.equals("jpeg"))) { - // JPEGs can't deal properly with alpha channels - alpha = false; - } - - final BufferedImage image = readToBufferedImage(x, y, width, height, alpha); - if (!ImageIO.write(image, fileSuffix, file)) { - throw new IOException("Unsupported file format " + fileSuffix); - } - } - - private static void checkExtABGR() { - final GL gl = GLContext.getCurrentGL(); - - if (!gl.isExtensionAvailable(GLExtensions.EXT_abgr)) { - throw new IllegalArgumentException("Saving alpha channel requires GL_EXT_abgr"); - } - } -} |