diff options
Diffstat (limited to 'src/classes')
| -rw-r--r-- | src/classes/share/com/sun/j3d/utils/image/TextureLoader.java | 308 |
1 files changed, 83 insertions, 225 deletions
diff --git a/src/classes/share/com/sun/j3d/utils/image/TextureLoader.java b/src/classes/share/com/sun/j3d/utils/image/TextureLoader.java index 80ac782..3c28127 100644 --- a/src/classes/share/com/sun/j3d/utils/image/TextureLoader.java +++ b/src/classes/share/com/sun/j3d/utils/image/TextureLoader.java @@ -45,26 +45,23 @@ package com.sun.j3d.utils.image; import javax.media.j3d.*; -import java.awt.Toolkit; import java.awt.Image; import java.awt.Component; +import java.awt.Transparency; +import java.awt.color.ColorSpace; +import java.awt.geom.AffineTransform; import java.awt.image.*; +import java.io.File; +import java.io.IOException; import java.net.URL; import java.lang.reflect.Method; -import java.awt.color.ColorSpace; -import java.awt.Transparency; - -import java.awt.geom.AffineTransform; -// TODO: remove the following for jdk1.2Beta4 -import java.awt.image.AffineTransformOp; -// TODO: add the following for jdk1.2Beta4 -//import java.awt.image.AffineTransformOp; +import javax.imageio.ImageIO; /** * This class is used for loading a texture from an Image or BufferedImage. - * If Java Advanced Imaging is installed then it is used to load the - * images, otherwise AWT toolkit it used. JAI is capable of loading - * a larger set of image formats including .tiff and .bmp + * The Image I/O API is used to load the images. (If the JAI IIO Tools + * package is available, a larger set of formats can be loaded, including + * TIFF, JPEG2000, and so on.) * * Methods are provided to retrieve the Texture object and the associated * ImageComponent object or a scaled version of the ImageComponent object. @@ -72,7 +69,6 @@ import java.awt.image.AffineTransformOp; * Default format is RGBA. Other legal formats are: RGBA, RGBA4, RGB5_A1, * RGB, RGB4, RGB5, R3_G3_B2, LUM8_ALPHA8, LUM4_ALPHA4, LUMINANCE and ALPHA */ - public class TextureLoader extends Object { /** @@ -90,7 +86,7 @@ public class TextureLoader extends Object { /** * Optional flag - specifies that the ImageComponent2D will - * have a y-orientation of y up, meaning the orgin of the image is the + * have a y-orientation of y up, meaning the origin of the image is the * lower left * * @since Java 3D 1.2 @@ -114,19 +110,6 @@ public class TextureLoader extends Object { private boolean byRef; private boolean yUp; - private boolean useJAI = false; - - // JAI Methods - // Use introspection to get the methods so that JAI - // is not required to compile the Java3D API. - private Method jaiGetWidth; - private Method jaiGetHeight; - private Method jaiGetAsBufferedImage; - private Method jaiGetRendering; - private Method jaiCreate; - private boolean doneJAICheck = false; - private boolean jaiInstalled = false; - /** * Contructs a TextureLoader object using the specified BufferedImage * and default format RGBA @@ -176,7 +159,6 @@ public class TextureLoader extends Object { } } - /** * Contructs a TextureLoader object using the specified Image * and default format RGBA @@ -218,16 +200,16 @@ public class TextureLoader extends Object { * @param observer The associated image observer */ public TextureLoader(Image image, String format, int flags, - Component observer) { + Component observer) { if (observer == null) { - observer = new java.awt.Container(); + observer = new java.awt.Container(); } parseFormat(format); this.flags = flags; bufferedImage = createBufferedImage(image, observer); - + if ((flags & BY_REFERENCE) != 0) { byRef = true; } @@ -236,7 +218,6 @@ public class TextureLoader extends Object { } } - /** * Contructs a TextureLoader object using the specified file * and default format RGBA @@ -277,36 +258,33 @@ public class TextureLoader extends Object { * @param flags The flags specify what options to use in texture loading (generate mipmap etc) * @param observer The associated image observer */ - public TextureLoader(String fname, String format, int flags, - Component observer) { + public TextureLoader(final String fname, String format, int flags, + Component observer) { - if (observer == null) { - observer = new java.awt.Container(); - } - - final Toolkit toolkit = Toolkit.getDefaultToolkit(); - final Image image[] = new Image[1]; - final String fn = fname; - - java.security.AccessController.doPrivileged( - new java.security.PrivilegedAction() { - public Object run() { - image[0] = toolkit.createImage(fn); - return null; - } - } - ); - parseFormat(format); - this.flags = flags; - bufferedImage = createBufferedImage(image[0], observer); - - if (bufferedImage==null && JAIInstalled() ) { - parseFormat(format); - bufferedImage = JAIgetImage( fname, observer ); - } + if (observer == null) { + observer = new java.awt.Container(); + } - if (bufferedImage==null) - System.err.println("Error loading Image "+fname ); + bufferedImage = (BufferedImage) + java.security.AccessController.doPrivileged( + new java.security.PrivilegedAction() { + public Object run() { + try { + return ImageIO.read(new File(fname)); + } catch (IOException e) { + System.err.println(e); + return null; + } + } + } + ); + + parseFormat(format); + this.flags = flags; + + if (bufferedImage==null) { + System.err.println("Error loading Image "+fname ); + } if ((flags & BY_REFERENCE) != 0) { byRef = true; @@ -317,129 +295,6 @@ public class TextureLoader extends Object { } /** - * Load the image using the JAI API - */ - private BufferedImage JAIgetImage( String filename, Component observer ) { - final String fn = filename; - BufferedImage bImage = null; - - try { - Object source = java.security.AccessController.doPrivileged( - new java.security.PrivilegedAction() { - public Object run() { - try { - Object renderedOp; - renderedOp = jaiCreate.invoke( null, new Object[] { "fileload", fn } ); - // Force JAI to actually load the image - // within this privileged action - jaiGetRendering.invoke( renderedOp, new Object[] {} ); - - return renderedOp; - } catch( Exception e ) { - e.printStackTrace(); - return null; - } - } - } - ); - - int width = ((Integer)jaiGetWidth.invoke( source, new Object[] {} )).intValue(); - int height = ((Integer)jaiGetHeight.invoke( source, new Object[] {} )).intValue(); - - - WritableRaster wr = java.awt.image.Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, width, height , width * 4, 4, bandOffset, null);; - bImage = new BufferedImage(colorModel, wr, false, null); - - java.awt.Graphics g = bImage.getGraphics(); - BufferedImage im = (BufferedImage)jaiGetAsBufferedImage.invoke( source, new Object[] {} ); - g.drawImage(im, 0, 0, observer ); - } catch( Exception e ) { - return null; - //System.out.println("Unable to load Texture "+filename); - } - - - return bImage; - } - - /** - * Load the image using the JAI API - */ - private BufferedImage JAIgetImage( URL url, Component observer ) { - final URL local_url = url; - BufferedImage bImage=null; - try { - Object source = java.security.AccessController.doPrivileged( - new java.security.PrivilegedAction() { - public Object run() { - try { - Object renderedOp; - renderedOp = jaiCreate.invoke( null, new Object[] { "URL", local_url } ); - // Force JAI to actually load the image - // within this privileged action - jaiGetRendering.invoke( renderedOp, new Object[] {} ); - - return renderedOp; - } catch( Exception e ) { - e.printStackTrace(); - return null; - } - } - } - ); - - - int width = ((Integer)jaiGetWidth.invoke( source, new Object[] {} )).intValue(); - int height = ((Integer)jaiGetHeight.invoke( source, new Object[] {} )).intValue(); - - - WritableRaster wr = java.awt.image.Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, width, height , width * 4, 4, bandOffset, null);; - bImage = new BufferedImage(colorModel, wr, false, null); - - java.awt.Graphics g = bImage.getGraphics(); - BufferedImage im = (BufferedImage)jaiGetAsBufferedImage.invoke( source, new Object[] {} ); - g.drawImage(im, 0, 0, observer ); - } catch( Exception e ) { - return null; - //System.out.println("Unable to load Texture "+local_url.toString()); - } - - return bImage; - } - - /** - * Check if JAI is installed - * If it is installed created Methods for each method we need - * to call - */ - private boolean JAIInstalled() { - if (!doneJAICheck) { - try { - Class cl = Class.forName("javax.media.jai.PlanarImage"); - jaiGetWidth = cl.getDeclaredMethod( "getWidth", new Class[] {} ); - jaiGetHeight = cl.getDeclaredMethod( "getHeight", new Class[] {} ); - jaiGetAsBufferedImage = cl.getDeclaredMethod( "getAsBufferedImage", new Class[] {} ); - Class cl2 = Class.forName("javax.media.jai.JAI"); - jaiCreate = cl2.getDeclaredMethod( "create", new Class[] { String.class, Object.class } ); - Class cl3 = Class.forName("javax.media.jai.RenderedOp"); - jaiGetRendering = cl3.getDeclaredMethod("getRendering", new Class[] {} ); - - jaiInstalled = true; - } catch( ClassNotFoundException e ) { - jaiInstalled = false; - } catch( NoSuchMethodException ex ) { - ex.printStackTrace(); - jaiInstalled = false; - } - - doneJAICheck = true; - } - - return jaiInstalled; - } - - - /** * Contructs a TextureLoader object using the specified URL * and default format RGBA * @param url The URL that specifies an Image to load the texture with @@ -478,35 +333,33 @@ public class TextureLoader extends Object { * @param flags The flags specify what options to use in texture loading (generate mipmap etc) * @param observer The associated image observer */ - public TextureLoader(URL url, String format, int flags, - Component observer) { - - if (observer == null) { - observer = new java.awt.Container(); - } + public TextureLoader(final URL url, String format, int flags, + Component observer) { - final Toolkit toolkit = Toolkit.getDefaultToolkit(); - final Image image[] = new Image[1]; - final URL Url = url; - - java.security.AccessController.doPrivileged( - new java.security.PrivilegedAction() { - public Object run() { - image[0] = toolkit.getImage(Url); - return null; - } - } - ); - parseFormat(format); - this.flags = flags; - bufferedImage = createBufferedImage(image[0], observer); - - if (bufferedImage==null && JAIInstalled() ) { - bufferedImage = JAIgetImage( url, observer ); - } + if (observer == null) { + observer = new java.awt.Container(); + } - if (bufferedImage==null) - System.err.println("Error loading Image "+url.toString() ); + bufferedImage = (BufferedImage) + java.security.AccessController.doPrivileged( + new java.security.PrivilegedAction() { + public Object run() { + try { + return ImageIO.read(url); + } catch (IOException e) { + System.err.println(e); + return null; + } + } + } + ); + + parseFormat(format); + this.flags = flags; + + if (bufferedImage==null) { + System.err.println("Error loading Image "+url.toString() ); + } if ((flags & BY_REFERENCE) != 0) { byRef = true; @@ -523,7 +376,6 @@ public class TextureLoader extends Object { * @return The associated ImageComponent2D object */ public ImageComponent2D getImage() { - if (imageComponent == null) imageComponent = new ImageComponent2D(imageComponentFormat, bufferedImage, byRef, yUp); @@ -539,7 +391,6 @@ public class TextureLoader extends Object { * @return The scaled ImageComponent2D object */ public ImageComponent2D getScaledImage(float xScale, float yScale) { - if (xScale == 1.0f && yScale == 1.0f) return getImage(); else @@ -576,10 +427,9 @@ public class TextureLoader extends Object { * @return The associated Texture object */ public Texture getTexture() { - ImageComponent2D[] scaledImageComponents = null; BufferedImage[] scaledBufferedImages = null; - if (tex == null) { + if (tex == null) { if (bufferedImage==null) return null; int width = getClosestPowerOf2(bufferedImage.getWidth()); @@ -631,7 +481,8 @@ public class TextureLoader extends Object { } // create a BufferedImage from an Image object - private BufferedImage createBufferedImage(Image image, Component observer) { + private BufferedImage createBufferedImage(Image image, + Component observer) { int status; @@ -651,7 +502,11 @@ public class TextureLoader extends Object { int width = image.getWidth(observer); int height = image.getHeight(observer); - WritableRaster wr = java.awt.image.Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, width, height , width * 4, 4, bandOffset, null);; + WritableRaster wr = + java.awt.image.Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, + width, height, + width * 4, 4, + bandOffset, null); BufferedImage bImage = new BufferedImage(colorModel, wr, false, null); java.awt.Graphics g = bImage.getGraphics(); @@ -709,8 +564,8 @@ public class TextureLoader extends Object { } // return a scaled image of given width and height - private BufferedImage getScaledImage(BufferedImage origImage, int width, - int height){ + private BufferedImage getScaledImage(BufferedImage origImage, + int width, int height) { int origW = origImage.getWidth(); int origH = origImage.getHeight(); @@ -721,18 +576,22 @@ public class TextureLoader extends Object { } // return a scaled image of given x and y scale - private BufferedImage getScaledImage(BufferedImage origImage, float xScale, - float yScale){ - + private BufferedImage getScaledImage(BufferedImage origImage, + float xScale, float yScale) { + // If the image is already the requested size, no need to scale if (xScale == 1.0f && yScale == 1.0f) return origImage; else { - int scaleW = (int)(origImage.getWidth() * xScale + 0.5); int scaleH = (int)(origImage.getHeight() * yScale + 0.5); - WritableRaster wr = java.awt.image.Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, scaleW, scaleH , scaleW * 4, 4, bandOffset, null);; - BufferedImage scaledImage = new BufferedImage(colorModel, wr, false, null); + WritableRaster wr = + java.awt.image.Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, + scaleW, scaleH, + scaleW * 4, 4, + bandOffset, null); + BufferedImage scaledImage = new BufferedImage(colorModel, wr, + false, null); java.awt.Graphics2D g2 = scaledImage.createGraphics(); AffineTransform at = AffineTransform.getScaleInstance(xScale, @@ -744,7 +603,6 @@ public class TextureLoader extends Object { } } - private int computeLog(int value) { int i = 0; |