public double getError(BufferedImage modified, int width, int height) {
double error = 0.0;
double total_pixels = width * height;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
error += computeDifference(original.getRGB(x, y), modified.getRGB(x, y));
}
}
return error / total_pixels;
}
/** Prototype give player a leveled up look */
public void Opify(double Fac) {
for (int i = 0; i < imgCHARAC.getWidth(); i++) {
for (int j = 0; j < imgCHARAC.getHeight(); j++) {
if (imgCHARAC.getRGB(i, j) != imgCHARAC.getRGB(2, 2)) {
imgCHARAC.setRGB(i, j, (int) Math.round(imgCHARAC.getRGB(i, j) * Fac));
}
}
}
}
public void overlay() {
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
// System.out.println(nonMax.getRGB(x,y));
if (nonMax.getRGB(x, y) != -1) {
int rgb = img.getRGB(x, y);
Color color = new Color(rgb);
Color res = new Color(255, color.getGreen(), color.getBlue());
img.setRGB(x, y, res.getRGB());
}
}
}
ImageIcon icon1 = new ImageIcon(img);
lbl1.setIcon(icon1);
}
public static void main(String[] args) {
int x = 500, y = 80;
DrawingKit dk = new DrawingKit("Daffodils", 800, 800);
BufferedImage pict = dk.loadPicture("daffodils.jpg");
// get pixel value at location (500, 80)
int encodedPixelColor = pict.getRGB(x, y);
Color pixelColor = new Color(encodedPixelColor);
System.out.println(pixelColor);
int red = pixelColor.getRed();
int green = pixelColor.getGreen();
int blue = pixelColor.getBlue();
// change the color of the pixel to be pure red
red = 255;
green = 0;
blue = 0;
// update the pixel color in picture
Color newPixelColor = new Color(red, green, blue);
int newRgbvalue = newPixelColor.getRGB();
pict.setRGB(x, y, newRgbvalue);
// display the approximate location of the pixel
dk.drawPicture(pict, 0, 0);
BasicStroke s = new BasicStroke(3);
dk.setStroke(s);
Ellipse2D.Float e = new Ellipse2D.Float(x - 3, y - 3, 8, 8);
dk.draw(e);
dk.drawString("(600, 150)", x - 3, y - 5);
}
/**
* A convenience method for getting ARGB pixels from an image. This tries to avoid the performance
* penalty of BufferedImage.getRGB unmanaging the image.
*
* @param image a BufferedImage object
* @param x the left edge of the pixel block
* @param y the right edge of the pixel block
* @param width the width of the pixel arry
* @param height the height of the pixel arry
* @param pixels the array to hold the returned pixels. May be null.
* @return the pixels
* @see #setRGB
*/
public int[] getRGB(BufferedImage image, int x, int y, int width, int height, int[] pixels) {
int type = image.getType();
if (type == BufferedImage.TYPE_INT_ARGB || type == BufferedImage.TYPE_INT_RGB) {
return (int[]) image.getRaster().getDataElements(x, y, width, height, pixels);
}
return image.getRGB(x, y, width, height, pixels, 0, width);
}
public Color getColorAt(int x, int y) {
int col = img.getRGB(x, y);
int r = col >> 16 & 0xff;
int g = col >> 8 & 0xff;
int b = col & 0xff;
return new Color(r, g, b);
}
public void drawTileNumC(int tileNum, int x, int y, Color c, Graphics g) {
BufferedImage coloredTile = tiles[tileNum];
for (int i = 0; i < this.tW; i++) {
for (int j = 0; j < this.tH; j++) {
Color originalColor = new Color(coloredTile.getRGB(i, j), true);
Color nc = new Color(c.getRed(), c.getGreen(), c.getBlue(), originalColor.getAlpha());
coloredTile.setRGB(i, j, nc.getRGB());
}
}
g.drawImage(tiles[tileNum], x, y, null);
}
public static java.awt.Image ApplyAlphaMask(java.awt.Image original, java.awt.Image alphamask) {
int width = original.getWidth(null), height = original.getHeight(null);
if (width <= 0) width = 1;
if (height <= 0) height = 1;
BufferedImage resultImg = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
BufferedImage image = toBufferedImage(original);
BufferedImage mask = toBufferedImage(alphamask);
for (int y = 0; y < image.getHeight(null); y++) {
for (int x = 0; x < image.getWidth(null); x++) {
try {
Color c = new Color(image.getRGB(x, y));
Color maskC = new Color(mask.getRGB(x, y));
Color maskedColor = new Color(c.getRed(), c.getGreen(), c.getBlue(), maskC.getRed());
resultImg.setRGB(x, y, maskedColor.getRGB());
} catch (Exception e) {
}
}
}
return toImage(resultImg);
}
/**
* do damage to character
*
* @param Dmg Amount of Damage
*/
public void Damage(int Dmg, int Type) {
// If character is already dead then dont do damage
if (ISDEAD) return;
// Do damage
if (Type == 1) {
// DAMAGE FROM PHYSICAL ATTACK
if (STATS.ARMOR > Dmg) return;
HEALTH = HEALTH - Dmg + STATS.ARMOR;
} else if (Type == 2) {
// DAMAGE FROM MAGIC ATTACK
if (STATS.MAGIC_RESIST > Dmg) return;
HEALTH = HEALTH - Dmg + STATS.MAGIC_RESIST;
}
// If an Npc then run and hide
if (NAI != null) {
NAI.State = "alarmed";
}
// Death condition
if (HEALTH <= 0) {
// If player is dead
if (this.CLASS.equals("Player")) {
HEALTH = 0;
// Quit game
JOptionPane.showMessageDialog(null, "You are dead");
X = 100;
Y = 100;
Opify(50);
HEALTH = (int) MAX_HEALTH;
} else {
// If other character
// set Death stats
ISDEAD = true;
HEALTH = 0;
// display death
CLASS = Cl + " (Dead)";
// Rot effect
for (int i = 0; i < imgCHARAC.getWidth(); i++) {
for (int j = 0; j < imgCHARAC.getHeight(); j++) {
imgCHARAC.setRGB(i, j, imgCHARAC.getRGB(i, j) * (int) Math.pow(3, 3));
}
}
// Make inventory open to looting
INVENTORY.OPEN_INVEN = true;
}
}
}
public Color getColorAt(double x, double y) {
int col = img.getRGB((int) x, (int) y);
double r = col >> 16 & 0xff;
double g = col >> 8 & 0xff;
double b = col & 0xff;
int col_r = img.getRGB((int) x + 1, (int) y);
double rr = col_r >> 16 & 0xff;
double gr = col_r >> 8 & 0xff;
double br = col_r & 0xff;
double fact = x - Math.floor(x);
double rf = r + (rr - r) * fact;
double gf = g + (gr - g) * fact;
double bf = b + (br - b) * fact;
col = img.getRGB((int) x, (int) y + 1);
r = col >> 16 & 0xff;
g = col >> 8 & 0xff;
b = col & 0xff;
col_r = img.getRGB((int) x + 1, (int) y + 1);
rr = col_r >> 16 & 0xff;
gr = col_r >> 8 & 0xff;
br = col_r & 0xff;
double rf2 = r + (rr - r) * fact;
double gf2 = g + (gr - g) * fact;
double bf2 = b + (br - b) * fact;
fact = y - Math.floor(y);
double rff = rf + (rf2 - rf) * fact;
double gff = gf + (gf2 - gf) * fact;
double bff = bf + (bf2 - bf) * fact;
return new Color((int) rff, (int) gff, (int) bff);
}
/*
* Method takes a parameter of a BufferedImage
* and returns a 2d array
*/
public static int[][] readIntoArray(BufferedImage x) {
int width = x.getWidth();
int height = x.getHeight();
// initialize the 2d array to the size of the picture
int[][] imagePixels = new int[width][height];
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
imagePixels[i][j] = x.getRGB(i, j); // store RGB value in array
// printPixelARGB(x.getRGB(i,j));
}
}
return imagePixels;
}
/**
* 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);
}
public erosion(String nombre) {
imageName = nombre;
// BufferedImage image2;
String aux;
// int ancho=image.getWidth();
// BufferedImage image = ImageIO.read( new File( imageName ) );
try {
image = ImageIO.read(new File(imageName));
} catch (IOException e) {
System.out.println("image missing");
}
try {
image2 = ImageIO.read(new File(imageName));
} catch (IOException e) {
System.out.println("image missing");
}
int k;
int a;
int b;
int i;
int j;
int rojo;
int verde;
int azul;
int promedio;
try {
int ancho, alto;
alto = image.getHeight();
ancho = image.getWidth();
for (i = 0; i < ancho; i++) {
for (j = 0; j < alto; j++) {
k = image.getRGB(i, j);
k = 0xFFFFFF + k;
rojo = k / 0x10000;
k = k % 0x10000;
verde = k / 0x100;
k = k % 0x100;
azul = k;
if (rojo < 0) rojo = 255 + rojo;
if (verde < 0) verde = 255 + verde;
if (azul < 0) azul = 255 + azul;
promedio = azul + verde + rojo;
promedio = promedio / 3;
/*if(promedio<0)
promedio=promedio+128;*/
rojo = promedio;
verde = promedio;
azul = promedio;
// printf("")
if (promedio >= 128) promedio = 255;
else promedio = 0;
k = promedio + promedio * 0x100 + promedio * 0x10000;
this.image.setRGB(i, j, k);
}
}
} catch (Exception e) {
System.out.printf("n");
}
//
try {
int ancho, alto;
alto = image2.getHeight();
ancho = image2.getWidth();
for (i = 0; i < ancho; i++) {
for (j = 0; j < alto; j++) {
k = image2.getRGB(i, j);
k = 0xFFFFFF + k;
rojo = k / 0x10000;
k = k % 0x10000;
verde = k / 0x100;
k = k % 0x100;
azul = k;
if (rojo < 0) rojo = 255 + rojo;
if (verde < 0) verde = 255 + verde;
if (azul < 0) azul = 255 + azul;
promedio = azul + verde + rojo;
promedio = promedio / 3;
/*if(promedio<0)
promedio=promedio+128;*/
rojo = promedio;
verde = promedio;
azul = promedio;
// printf("")
k = promedio + promedio * 0x100 + promedio * 0x10000;
this.image2.setRGB(i, j, k);
}
}
} catch (Exception e) {
System.out.printf("n");
}
//
try {
int ancho, alto;
alto = image.getHeight();
ancho = image.getWidth();
for (i = 0; i < ancho; i++) {
for (j = 0; j < alto; j++) {
k = image.getRGB(i, j);
k = 0xFFFFFF + k;
rojo = k / 0x10000;
k = k % 0x10000;
verde = k / 0x100;
k = k % 0x100;
azul = k;
if (rojo < 0) rojo = 255 + rojo;
if (verde < 0) verde = 255 + verde;
if (azul < 0) azul = 255 + azul;
/*promedio=azul+verde+rojo;
promedio=promedio/3;
/*if(promedio<0)
promedio=promedio+128;*/
if (i < ancho - 2) {
if (rojo >= 128) {
k = image.getRGB(i + 1, j);
k = 0xFFFFFF + k;
rojo = k / 0x10000;
k = k % 0x10000;
verde = k / 0x100;
k = k % 0x100;
azul = k;
if (rojo < 0) rojo = 255 + rojo;
if (verde < 0) verde = 255 + verde;
if (azul < 0) azul = 255 + azul;
if (rojo >= 128) {
k = image.getRGB(i + 2, j);
k = 0xFFFFFF + k;
rojo = k / 0x10000;
k = k % 0x10000;
verde = k / 0x100;
k = k % 0x100;
azul = k;
if (rojo < 0) rojo = 255 + rojo;
if (verde < 0) verde = 255 + verde;
if (azul < 0) azul = 255 + azul;
if (rojo < 128) {
k = 0;
this.image2.setRGB(i, j, k);
this.image2.setRGB(i + 1, j, k);
this.image2.setRGB(i + 2, j, k);
}
}
} else {
k = rojo + rojo * 0x100 + rojo * 0x10000;
this.image2.setRGB(i, j, k);
}
}
}
}
} catch (Exception e) {
System.out.printf("n");
}
//
/*else if(l==4)
posterizacion();*/
// Toolkit tool = Toolkit.getDefaultToolkit();
// image = tool.getImage(imageName);
// dialogo.setLocationRelativeTo(f);
}
private IFD writeCMYKImage(ImageOutputStream out, BufferedImage image, TIFFImageWriteParam param)
throws IOException {
try {
int width = image.getWidth();
int height = image.getHeight();
IFD ifd = new IFD(); // entries need to be in tag order !
ifd.add(new DEFactory.NewSubfileTypeDE(2)); // 254 single page of multipage file
ifd.add(new DEFactory.ImageWidthDE(width)); // 256
ifd.add(new DEFactory.ImageLengthDE(height)); // 257
DEFactory.BitsPerSampleDE bpss = new DEFactory.BitsPerSampleDE(4);
bpss.setBitsPerSample(0, 8); // cyan
bpss.setBitsPerSample(1, 8); // magneta
bpss.setBitsPerSample(2, 8); // yellow
bpss.setBitsPerSample(3, 8); // key (black)
ifd.add(bpss); // 258
ifd.add(new DEFactory.CompressionDE(NOCOMPRESSION)); // 259
ifd.add(new DEFactory.PhotometricInterpretationDE(CMYK)); // 262
int maxrps, maxstripes; // max RowsPerStrip
if ((1 << 13) <= width) {
maxrps = 1;
maxstripes = height; // one row per strip
} else {
maxrps = (1 << 13) / width;
maxstripes = (height + maxrps - 1) / maxrps;
}
DEFactory.StripOffsetsDE offsets = new DEFactory.StripOffsetsDE(maxstripes);
ifd.add(offsets); // 273
ifd.add(new DEFactory.SamplesPerPixelDE(4)); // 277
ifd.add(new DEFactory.RowsPerStripDE(maxrps)); // 278
DEFactory.StripByteCountsDE counts = new DEFactory.StripByteCountsDE(maxstripes);
ifd.add(counts); // 279
if (param == null) {
ifd.add(new DEFactory.XResolutionDE(72.0)); // 282
ifd.add(new DEFactory.YResolutionDE(72.0)); // 283
} else {
ifd.add(new DEFactory.XResolutionDE(param.getXResolution())); // 282
ifd.add(new DEFactory.YResolutionDE(param.getYResolution())); // 283
}
ifd.add(new DEFactory.ResolutionUnitDE(Inch)); // 296
int index = 0;
for (int y = 0; y < height; y += maxrps) {
/*
Assume rgb image.
Each strip: evaluate c m y k colour
save in byte array
write to image file
*/
ByteArrayOutputStream baos = new ByteArrayOutputStream();
for (int i = 0; i < maxrps; i++) {
if ((y + i) == height) {
break;
} // last strip might have less rows
for (int x = 0; x < width; x++) {
int c = image.getRGB(x, y + i);
int R = (c >> 16) & 0x00FF;
int G = (c >> 8) & 0x00FF;
int B = (c) & 0x00FF;
if ((R == 255) && (G == 255) && (B == 255)) {
baos.write(0);
baos.write(0);
baos.write(0);
baos.write(0);
} else {
double C = 1.0 - R / 255.0;
double M = 1.0 - G / 255.0;
double Y = 1.0 - B / 255.0;
double K = C;
if (M < K) {
K = M;
}
if (Y < K) {
K = Y;
}
C = ((C - K) / (1.0 - K)) * 255.0;
M = ((M - K) / (1.0 - K)) * 255.0;
Y = ((Y - K) / (1.0 - K)) * 255.0;
K *= 255.0;
baos.write((int) C);
baos.write((int) M);
baos.write((int) Y);
baos.write((int) K);
}
}
}
baos.close();
byte[] data = baos.toByteArray();
counts.setCount(index, data.length); // update ifd strip counter array
offsets.setOffset(index, out.getStreamPosition()); // update ifd image data offset array
out.write(data); // write to image stream
index++;
}
return ifd;
} catch (Exception e) {
e.printStackTrace();
throw new IOException(getClass().getName() + ".writeCMYKImage:\n\t" + e.getMessage());
}
}
private IFD writeBModHufImage(
ImageOutputStream out, BufferedImage image, TIFFImageWriteParam param) throws IOException {
try {
int width = image.getWidth();
int height = image.getHeight();
IFD ifd = new IFD(); // entries need to be in tag order !
ifd.add(new DEFactory.NewSubfileTypeDE(2)); // 254 single page of multipage file
ifd.add(new DEFactory.ImageWidthDE(width)); // 256
ifd.add(new DEFactory.ImageLengthDE(height)); // 257
ifd.add(new DEFactory.CompressionDE(CCITTGROUP3MODHUFFMAN)); // 259
ifd.add(new DEFactory.PhotometricInterpretationDE(WhiteIsZero)); // 262
int maxrps, maxstripes; // max RowsPerStrip
if ((1 << 13) <= width) {
maxrps = 1;
maxstripes = height; // one row per stripe
} else {
maxrps = (1 << 13) / width;
maxstripes = (height + maxrps - 1) / maxrps;
}
DEFactory.StripOffsetsDE offsets = new DEFactory.StripOffsetsDE(maxstripes);
ifd.add(offsets); // 273
ifd.add(new DEFactory.RowsPerStripDE(maxrps)); // 278
DEFactory.StripByteCountsDE counts = new DEFactory.StripByteCountsDE(maxstripes);
ifd.add(counts); // 279
if (param == null) {
ifd.add(new DEFactory.XResolutionDE(72.0)); // 282
ifd.add(new DEFactory.YResolutionDE(72.0)); // 283
} else {
ifd.add(new DEFactory.XResolutionDE(param.getXResolution())); // 282
ifd.add(new DEFactory.YResolutionDE(param.getYResolution())); // 283
}
ifd.add(new DEFactory.ResolutionUnitDE(Inch)); // 296
int index = 0;
for (int y = 0; y < height; y += maxrps) {
/*
Assume bilevel image (black/white[=-1])
Each strip: count run length
encode into modified hufman codes
swap bits
save in byte array
write to image file
*/
ByteArrayOutputStream baos = new ByteArrayOutputStream();
BitSwapOutputStream bsos = new BitSwapOutputStream(baos);
ModHuffmanOutputStream mhos = new ModHuffmanOutputStream(bsos);
RLEOutputStream rlos =
new RLEOutputStream(mhos, 3); // rgb = 3 bytes per sample code word (not needed here)
for (int i = 0; i < maxrps; i++) {
if ((y + i) == height) {
break;
} // last strip might have less rows
rlos.setStartCodeWord(-1); // white run first
for (int x = 0; x < width; x++) {
rlos.write(image.getRGB(x, y + i));
}
rlos.flush(); // write padding after ever image row
}
rlos.close();
byte[] data = baos.toByteArray();
counts.setCount(index, data.length); // update ifd strip counter array
offsets.setOffset(index, out.getStreamPosition()); // update ifd image data offset array
out.write(data); // write to image stream
index++;
}
return ifd;
} catch (Exception e) {
e.printStackTrace();
throw new IOException(getClass().getName() + ".writeBModHufImage:\n\t" + e.getMessage());
}
}
