Пример #1
0
 /**
  * Create GLImage from image file bytes (the contents of a jpg, gif or png file). Flip Y axis.
  *
  * @param pixels
  * @param w
  * @param h
  */
 public GLImage(byte[] bytes) {
   BufferedImage img = makeBufferedImage(bytes);
   if (makeGLImage(img, true, false)) {
     GLApp.msg("GLImage(byte[]): loaded image from bytes[" + bytes.length + "]");
   } else {
     GLApp.err("GLImage(byte[]): could not create Image from bytes[" + bytes.length + "]");
   }
 }
Пример #2
0
 /**
  * Create GLImage from image file bytes (the contents of a jpg, gif or png file).
  *
  * @param pixels
  * @param w
  * @param h
  */
 public GLImage(byte[] bytes, boolean flipYaxis, boolean convertPow2) {
   BufferedImage img = makeBufferedImage(bytes);
   if (makeGLImage(img, flipYaxis, convertPow2)) {
     GLApp.msg("GLImage(byte[],bool,bool): loaded image from bytes[" + bytes.length + "]");
   } else {
     GLApp.err(
         "GLImage(byte[],bool,bool): could not create Image from bytes[" + bytes.length + "]");
   }
 }
Пример #3
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 /**
  * Load a BufferedImage from the given image file name. File can be in the local filesytem, in the
  * applet folder, or in a jar.
  */
 public BufferedImage loadJavaImage(String imgName) {
   BufferedImage tmpi = null;
   try {
     tmpi = ImageIO.read(GLApp.getInputStream(imgName));
   } catch (Exception e) {
     GLApp.err("GLImage.loadJavaImage() exception: FAILED TO LOAD IMAGE " + e);
   }
   return tmpi;
 }
Пример #4
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 /**
  * Make a BufferedImage from the contents of an image file.
  *
  * @param imageFileContents byte array containing the guts of a JPG, GIF, or PNG
  */
 public BufferedImage makeBufferedImage(byte[] imageFileContents) {
   BufferedImage bi = null;
   try {
     InputStream in = new ByteArrayInputStream(imageFileContents);
     bi = javax.imageio.ImageIO.read(in);
   } catch (IOException ioe) {
     GLApp.err("GLImage.makeBufferedImage(): " + ioe);
   }
   return bi;
 }
Пример #5
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 /**
  * Return the Image pixels in default Java int ARGB format.
  *
  * @return
  */
 public static int[] getImagePixels(Image image) {
   int[] pixelsARGB = null;
   if (image != null) {
     int imgw = image.getWidth(null);
     int imgh = image.getHeight(null);
     pixelsARGB = new int[imgw * imgh];
     PixelGrabber pg = new PixelGrabber(image, 0, 0, imgw, imgh, pixelsARGB, 0, imgw);
     try {
       pg.grabPixels();
     } catch (Exception e) {
       GLApp.err("Pixel Grabbing interrupted!");
       return null;
     }
   }
   return pixelsARGB;
 }
Пример #6
0
 /**
  * Save an array of ARGB pixels to a PNG file. If flipY is true, flip the pixels on the Y axis
  * before saving.
  */
 public static void savePixelsToPNG(
     int[] pixels, int width, int height, String imageFilename, boolean flipY) {
   if (pixels != null && imageFilename != null) {
     if (flipY) {
       // flip the pixels vertically (opengl has 0,0 at lower left, java is upper left)
       pixels = GLImage.flipPixels(pixels, width, height);
     }
     try {
       // Create a BufferedImage with the RGB pixels then save as PNG
       BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
       image.setRGB(0, 0, width, height, pixels, 0, width);
       javax.imageio.ImageIO.write(image, "png", new File(imageFilename));
     } catch (Exception e) {
       GLApp.err("GLImage.savePixelsToPNG(" + imageFilename + "): exception " + e);
     }
   }
 }