/** Creates a new instance of IDEJRManFramebufferImpl */
public IDEJRManFramebufferImpl(String name, BufferedImage image) {
super("JRMan rendered: " + name, true, true, true, true);
this.name = name;
save.setEnabled(false);
imagePanel.setImage(image);
imagePanel.addToolbarAction(save);
if (image.getType() == BufferedImage.TYPE_INT_ARGB
|| image.getType() == BufferedImage.TYPE_INT_ARGB_PRE) {
imagePanel.setShowTransparencyPattern(true);
}
getRootPane().setDoubleBuffered(false);
getContentPane().add(imagePanel);
pack();
ImageResource images = ImageResource.getInstance();
// set the frame icon
setFrameIcon(images.getJrMan());
// add this to the IDE desktop
MainMenuEventHandlers.getInstance(null)
.getIdeInstance()
.getWorkspaceDesktop()
.addInternalFrame(this, true);
}
private void buildAccumulator(int r) {
accImage = new BufferedImage(width, height, greyScale.getType());
Graphics2D g = accImage.createGraphics();
g.setColor(new Color(0, 0, 0, 0));
g.fillRect(0, 0, width, height);
g.dispose();
int max = 0;
double[] a = new double[1];
for (int y = 0; y < height; ++y)
for (int x = 0; x < width; ++x) {
a[0] = acc[y * width + x][r - rmin] & 0xFF;
accImage.getRaster().setPixel(x, y, a);
}
ImageIcon icon2 = new ImageIcon(accImage);
lbl2.setIcon(icon2);
}
public void sobel() {
sobel = new BufferedImage(width, height, filtered.getType());
Graphics2D g = sobel.createGraphics();
g.setColor(new Color(0, 0, 0, 0));
g.fillRect(0, 0, width, height);
g.dispose();
int[] tmp = new int[1];
sX = new double[height][width];
sY = new double[height][width];
double maxX = 0;
double maxY = 0;
for (int y = 1; y < height - 1; ++y)
for (int x = 1; x < width - 1; ++x) {
double Xvalue = 0;
double Yvalue = 0;
for (int j = -1; j <= 1; ++j)
for (int i = -1; i <= 1; ++i) {
Xvalue += GX[1 + j][1 + i] * filtered.getRaster().getPixel(x + i, y + j, tmp)[0];
Yvalue += GY[1 + j][1 + i] * filtered.getRaster().getPixel(x + i, y + j, tmp)[0];
}
if (Xvalue > maxX) maxX = Xvalue;
if (Yvalue > maxY) maxY = Yvalue;
sX[y][x] = Xvalue;
sY[y][x] = Yvalue;
}
for (int y = 1; y < height - 1; ++y)
for (int x = 1; x < width - 1; ++x) {
double[] a = {(Math.abs((sX[y][x] / maxX * 255)) + Math.abs((sY[y][x] / maxY) * 255))};
// if (a[0] > 0) binary[y][x] = 1;
// if (a[0] <= 0) binary[y][x] = 0;
sobel.getRaster().setPixel(x, y, a);
}
ImageIcon icon2 = new ImageIcon(sobel);
lbl2.setIcon(icon2);
}
/**
* Loads PNG files and returns the result as an int[][]. The only PNG formats permitted are those
* with up to 256 grays (including simple black and white) or indexed colors from an up to
* 256-sized color table. Each integer value represents the gray level or the color table index
* value of the pixel. The Y dimension is not flipped.
*/
public static int[][] loadPNGFile(InputStream str) throws IOException {
// read the bytes into a byte array
BufferedInputStream stream = new BufferedInputStream(str);
ArrayList list = new ArrayList();
int count = 0;
while (true) {
byte[] buffer = new byte[16384 * 16];
int len = stream.read(buffer);
if (len <= 0) // all done
break;
else if (len < buffer.length) {
byte[] buf2 = new byte[len];
System.arraycopy(buffer, 0, buf2, 0, len);
buffer = buf2;
}
count += len;
list.add(buffer);
}
byte[] data = new byte[count];
int cur = 0;
for (int i = 0; i < list.size(); i++) {
byte[] b = (byte[]) (list.get(i));
System.arraycopy(b, 0, data, cur, b.length);
cur += b.length;
}
// Next convert the byte array to a buffered image
BufferedImage image = ((ToolkitImage) (new ImageIcon(data).getImage())).getBufferedImage();
// Is the color model something we can use?
int type = image.getType();
if (type == BufferedImage.TYPE_BYTE_BINARY || type == BufferedImage.TYPE_BYTE_GRAY) {
int w = image.getWidth();
int h = image.getHeight();
int[][] result = new int[w][h];
// obviously this could be done more efficiently
for (int i = 0; i < w; i++)
for (int j = 0; j < h; j++) result[i][j] = (image.getRGB(i, j) & 0xFF);
return result;
} else if (type == BufferedImage.TYPE_BYTE_INDEXED) {
Raster raster = image.getRaster();
if (raster.getTransferType() != DataBuffer.TYPE_BYTE) // uh oh
throw new IOException("Input Stream must contain an image with byte data if indexed.");
byte[] pixel = new byte[1];
int w = image.getWidth();
int h = image.getHeight();
int[][] result = new int[w][h];
// obviously this could be done more efficiently
for (int i = 0; i < w; i++)
for (int j = 0; j < h; j++) {
result[i][j] = ((byte[]) (raster.getDataElements(i, j, pixel)))[0];
if (result[i][j] < 0) result[i][j] += 256;
}
return result;
}
// else if (type == TYPE_USHORT_GRAY) // at present we don't handle shorts
// {
// }
else
throw new IOException(
"Input Stream must contain a binary, byte-sized grayscale, or byte-sized indexed color scheme: "
+ image);
}
