private float getComplexity(BufferedImage img) {
// Uses its own resizing method to remove color in the same step
BufferedImage sml = new BufferedImage(SIZE, SIZE, BufferedImage.TYPE_BYTE_GRAY);
sml.getGraphics().drawImage(img, 0, 0, SIZE, SIZE, null);
float ret = 0;
int w = sml.getWidth();
int h = sml.getHeight();
Kernel laplace = new Kernel(3, 3, new float[] {1, 1, 1, 1, -8, 1, 1, 1, 1});
ConvolveOp filter = new ConvolveOp(laplace);
BufferedImage dest = filter.createCompatibleDestImage(sml, null);
filter.filter(sml, dest);
WritableRaster data = dest.getRaster();
int[] pixels = data.getPixels(0, 0, w, h, new int[w * h]);
int sum = 0;
for (int i = 0; i < w; i++) {
for (int j = 0; j < h; j++) {
int temp = pixels[i + j * w];
sum += temp;
}
}
ret = (float) sum / (w * h * 256);
if (ret < 0.01) {
ret = 1;
}
return ret;
}
/**
* Aplica una operación de convolución sobre la imagen pasada como argumento, utilizando la matriz
* también pasada como argumento.
*
* @param filtro
* @param imagen
* @param tratBordes
* @return imagen resultante de aplicar el filtro, null en caso de fallo o argumentos incorrectos.
*/
public static BufferedImage aplicar(float filtro[][], BufferedImage imagen, int tratBordes) {
BufferedImage res = null;
if (imagen == null) throw new IllegalArgumentException("La imagen no puede ser nula");
if (filtro == null || filtro.length == 0)
throw new IllegalArgumentException("Debe pasarse algún filtro válido");
if (tratBordes != SIN_BORDES || tratBordes != BORDES_0) tratBordes = SIN_BORDES;
int width = filtro.length;
int height = filtro[0].length;
int tam = width * height;
float filtroK[] = new float[tam];
// Creamos el filtro
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
filtroK[i * width + j] = filtro[i][j];
}
}
// Creamos la operación de convolución.
Kernel kernel = new Kernel(width, height, filtroK);
ConvolveOp cop = new ConvolveOp(kernel, tratBordes, null);
// Creamos la imagen nueva a semejanza de la antigua
res = new BufferedImage(imagen.getWidth(), imagen.getHeight(), imagen.getType());
// Aplicamos el filtro
cop.filter(imagen, res);
return res;
}
public BufferedImage getBlur() {
float[] data = {
0.1111F, 0.1111F, 0.1111F, 0.1111F, 0.1111F, 0.1111F, 0.1111F, 0.1111F, 0.1111F
};
ConvolveOp cop = new ConvolveOp(new Kernel(3, 3, data));
return this.image = cop.filter(this.image, null);
}
private void resizeImage(String fileName) {
try {
Image image = javax.imageio.ImageIO.read(new File(file));
int imageWidth = image.getWidth(null);
int imageHeight = image.getHeight(null);
float scale =
getRatio(
imageWidth,
imageHeight,
Integer.parseInt(textWidth.getText()),
Integer.parseInt(textWidth.getText()));
imageWidth = (int) (scale * imageWidth);
imageHeight = (int) (scale * imageHeight);
image = image.getScaledInstance(imageWidth, imageHeight, Image.SCALE_AREA_AVERAGING);
// Make a BufferedImage from the Image.
mBufferedImage = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = mBufferedImage.createGraphics();
// Map readeringHint = new HashMap();
// readeringHint.put(RenderingHints.KEY_ALPHA_INTERPOLATION,
// RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
// readeringHint.put(RenderingHints.KEY_ANTIALIASING,
// RenderingHints.VALUE_ANTIALIAS_ON);
// readeringHint.put(RenderingHints.KEY_COLOR_RENDERING,RenderingHints.VALUE_RENDER_QUALITY);
// readeringHint.put(RenderingHints.KEY_DITHERING,
// RenderingHints.VALUE_DITHER_ENABLE);
// readeringHint.put(RenderingHints.KEY_INTERPOLATION,
// RenderingHints.VALUE_INTERPOLATION_BILINEAR);//VALUE_INTERPOLATION_BICUBIC
// readeringHint.put(RenderingHints.KEY_RENDERING,
// RenderingHints.VALUE_RENDER_QUALITY);
// g.setRenderingHints(readeringHint);
g2.drawImage(image, 0, 0, imageWidth, imageHeight, Color.white, null);
float[] kernelData2 = {
-0.125f, -0.125f, -0.125f, -0.125f, 2, -0.125f, -0.125f, -0.125f, -0.125f
};
Kernel kernel = new Kernel(3, 3, kernelData2);
ConvolveOp cOp = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null);
mBufferedImage = cOp.filter(mBufferedImage, null);
repaint();
// file = ImageCompress.getFilePath(file) +
// ImageCompress.getFileName(file) + "-s." +
// ImageCompress.getFileExt(file).toLowerCase();
// FileOutputStream out = new FileOutputStream(file);
// JPEGEncodeParam param =
// encoder.getDefaultJPEGEncodeParam(bufferedImage);
// param.setQuality(0.9f, true);
// encoder.setJPEGEncodeParam(param);
// JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
// encoder.encode(mBufferedImage);
// out.close();
} catch (IOException e) {
}
}
public void gaussianBlur() {
filtered = null;
// Kernel kernel = new Kernel(5, 5, makeGaussianKernel(5, 1.4f));
Kernel kernel = new Kernel(5, 5, gaus);
ConvolveOp op = new ConvolveOp(kernel);
filtered = op.filter(greyScale, null);
ImageIcon icon2 = new ImageIcon(filtered);
lbl2.setIcon(icon2);
}
public static void ImageScale(String sourceImg, String targetImg, int width, int height) {
try {
Image image = javax.imageio.ImageIO.read(new File(sourceImg));
int imageWidth = image.getWidth(null);
int imageHeight = image.getHeight(null);
float scale = getRatio(imageWidth, imageHeight, width, height);
imageWidth = (int) (scale * imageWidth);
imageHeight = (int) (scale * imageHeight);
image = image.getScaledInstance(imageWidth, imageHeight, Image.SCALE_AREA_AVERAGING);
// Make a BufferedImage from the Image.
BufferedImage mBufferedImage =
new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = mBufferedImage.createGraphics();
// Map readeringHint = new HashMap();
// readeringHint.put(RenderingHints.KEY_ALPHA_INTERPOLATION,
// RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
// readeringHint.put(RenderingHints.KEY_ANTIALIASING,
// RenderingHints.VALUE_ANTIALIAS_ON);
// readeringHint.put(RenderingHints.KEY_COLOR_RENDERING,RenderingHints.VALUE_RENDER_QUALITY);
// readeringHint.put(RenderingHints.KEY_DITHERING,
// RenderingHints.VALUE_DITHER_ENABLE);
// readeringHint.put(RenderingHints.KEY_INTERPOLATION,
// RenderingHints.VALUE_INTERPOLATION_BILINEAR);//VALUE_INTERPOLATION_BICUBIC
// readeringHint.put(RenderingHints.KEY_RENDERING,
// RenderingHints.VALUE_RENDER_QUALITY);
// g.setRenderingHints(readeringHint);
g2.drawImage(image, 0, 0, imageWidth, imageHeight, Color.white, null);
g2.dispose();
float[] kernelData2 = {
-0.125f, -0.125f, -0.125f, -0.125f, 2, -0.125f, -0.125f, -0.125f, -0.125f
};
Kernel kernel = new Kernel(3, 3, kernelData2);
ConvolveOp cOp = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null);
mBufferedImage = cOp.filter(mBufferedImage, null);
FileOutputStream out = new FileOutputStream(targetImg);
// JPEGEncodeParam param =
// encoder.getDefaultJPEGEncodeParam(bufferedImage);
// param.setQuality(0.9f, true);
// encoder.setJPEGEncodeParam(param);
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
encoder.encode(mBufferedImage);
out.close();
} catch (FileNotFoundException fnf) {
} catch (IOException ioe) {
} finally {
}
}
public static ImageIcon getBigSystemIcon(Image image) throws Exception {
if ((image.getWidth(null) < 20) || (image.getHeight(null) < 20)) {
if (image.getWidth(null) > image.getHeight(null)) {
width = 24;
height = (image.getHeight(null) * 24) / image.getWidth(null);
} else {
height = 24;
width = (image.getWidth(null) * 24) / image.getHeight(null);
}
} else {
return new ImageIcon(image);
}
dest = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
dest2 = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
g = dest.getGraphics();
g.setColor(Color.white);
g.fillRect(0, 0, 22, 22);
g.drawImage(image, 0, 0, width, height, null);
g.dispose();
sharpenOperator.filter(dest, dest2);
return new ImageIcon(dest);
}
// MenuItem Event Sharpen
private void jMenuItem12ActionPerformed(
java.awt.event.ActionEvent evt) { // GEN-FIRST:event_jMenuItem12ActionPerformed
if (gambarEdit == null) {
return;
}
float[] elements = {0.0f, -1.0f, 0.0f, -1.0f, 5.f, -1.0f, 0.0f, -1.0f, 0.0f};
Kernel kernel = new Kernel(3, 3, elements);
ConvolveOp op = new ConvolveOp(kernel);
BufferedImage filteredImage =
new BufferedImage(gambarEdit.getWidth(), gambarEdit.getHeight(), gambarEdit.getType());
op.filter(gambarEdit, filteredImage);
gambarEdit = filteredImage;
jLabel2.setIcon(null);
jLabel2.setIcon(new ImageIcon(gambarEdit));
} // GEN-LAST:event_jMenuItem12ActionPerformed
public static Image getScaledInstance(File file) throws Exception {
srcBImage = javax.imageio.ImageIO.read(file);
if (srcBImage.getWidth() > srcBImage.getHeight()) {
width = 100;
height = (srcBImage.getHeight() * 100) / srcBImage.getWidth();
} else {
height = 100;
width = (srcBImage.getWidth() * 100) / srcBImage.getHeight();
}
dest = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
dest2 = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
g = dest.getGraphics();
g.setColor(Color.white);
g.fillRect(0, 0, 100, 100);
g.drawImage(srcBImage, 0, 0, width, height, null);
g.dispose();
srcBImage = null;
blurOperator.filter(dest, dest2);
return dest2;
}
public static ImageIcon getSmallSystemIcon(Image img) throws Exception {
if ((img.getWidth(null) > 20) || (img.getHeight(null) > 20)) {
if (img.getWidth(null) > img.getHeight(null)) {
width = 18;
height = (img.getHeight(null) * 18) / img.getWidth(null);
} else {
height = 18;
width = (img.getWidth(null) * 18) / img.getHeight(null);
}
} else {
return new ImageIcon(img);
}
dest = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
dest2 = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
g = dest.getGraphics();
g.drawImage(img, 1, 1, width, height, null);
g.dispose();
blurOperator.filter(dest, dest2);
return new ImageIcon(dest2);
}
private static BufferedImage applyKernelFilter(final BufferedImage source, Kernel customFilter)
throws IOException, NullPointerException {
if (verifyNotNull(source)) {
RenderingHints requiredRenderingHintsForQuality =
new RenderingHints(
generateRenderingHintsBasedOnProperties(ImageProcessing.HIGH_BEST_SLOW));
ConvolveOp bufferedImageOperations =
new ConvolveOp(customFilter, ConvolveOp.EDGE_NO_OP, requiredRenderingHintsForQuality);
BufferedImage target =
new BufferedImage(source.getWidth(), source.getHeight(), source.getType());
target = bufferedImageOperations.filter(source, target);
if (verifyNotNull(target)) {
return target;
}
throw new NullPointerException("Internal: Target was null");
}
throw new NullPointerException(E_OBJECT_WAS_NULL);
}
/**
* ����gifͼƬ
*
* @param originalFile ԭͼƬ
* @param resizedFile ���ź��ͼƬ
* @param newWidth ���
* @param quality ���ű��� (�ȱ���)
* @throws IOException
*/
private static void resize(File originalFile, File resizedFile, int newWidth, float quality)
throws IOException {
if (quality < 0 || quality > 1)
throw new IllegalArgumentException("Quality has to be between 0 and 1");
ImageIcon ii = new ImageIcon(originalFile.getCanonicalPath());
Image i = ii.getImage();
Image resizedImage = null;
int iWidth = i.getWidth(null);
int iHeight = i.getHeight(null);
if (iWidth > iHeight)
resizedImage = i.getScaledInstance(newWidth, newWidth * iHeight / iWidth, Image.SCALE_SMOOTH);
else
resizedImage = i.getScaledInstance(newWidth * iWidth / iHeight, newWidth, Image.SCALE_SMOOTH);
// This code ensures that all the pixels in the image are loaded.
Image temp = new ImageIcon(resizedImage).getImage();
// Create the buffered image.
BufferedImage bufferedImage =
new BufferedImage(temp.getWidth(null), temp.getHeight(null), BufferedImage.TYPE_INT_RGB);
// Copy image to buffered image.
Graphics g = bufferedImage.createGraphics();
// Clear background and paint the image.
g.setColor(Color.white);
g.fillRect(0, 0, temp.getWidth(null), temp.getHeight(null));
g.drawImage(temp, 0, 0, null);
g.dispose();
// Soften.
float softenFactor = 0.05f;
float[] softenArray = {
0, softenFactor, 0, softenFactor, 1 - softenFactor * 4, softenFactor, 0, softenFactor, 0
};
Kernel kernel = new Kernel(3, 3, softenArray);
ConvolveOp cOp = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null);
bufferedImage = cOp.filter(bufferedImage, null);
// Write the jpeg to a file.
FileOutputStream out = new FileOutputStream(resizedFile);
// Encodes image as a JPEG data stream
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bufferedImage);
param.setQuality(quality, true);
encoder.setJPEGEncodeParam(param);
encoder.encode(bufferedImage);
}
public void process(String srcImageFile) {
try {
Image img;
ImageFilter cropFilter;
// 读取源图像
BufferedImage bi = ImageIO.read(new File(srcImageFile));
int srcWidth = bi.getWidth(); // 源图宽度
int srcHeight = bi.getHeight(); // 源图高度
int destLength = srcWidth > srcHeight ? srcHeight : srcWidth;
int x = (srcWidth - destLength) / 2;
int y = (srcHeight - destLength) / 2;
logger.debug(
String.format(
"ImgUtil -----> picUrl: %s,srcWidth %d,srcHeight:%d",
srcImageFile, srcWidth, srcHeight));
cropFilter = new CropImageFilter(x, y, destLength, destLength);
img =
Toolkit.getDefaultToolkit()
.createImage(new FilteredImageSource(bi.getSource(), cropFilter));
BufferedImage tag = new BufferedImage(destLength, destLength, BufferedImage.TYPE_INT_RGB);
Graphics g = tag.getGraphics();
g.drawImage(img, 0, 0, null); // 绘制截取后的图
g.dispose();
logger.debug("ImgUtil -----> Cut finished");
// 压缩
for (String s : compressSizeList.keySet()) {
int length = compressSizeList.get(s);
// To Test
Image tmpResult = tag.getScaledInstance(length, length, Image.SCALE_DEFAULT);
BufferedImage mBufferedImage =
new BufferedImage(length, length, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = mBufferedImage.createGraphics();
g2.drawImage(tmpResult, 0, 0, length, length, Color.white, null);
g2.dispose();
float[] kernelData2 = {
-0.125f, -0.125f, -0.125f, -0.125f, 2, -0.125f, -0.125f, -0.125f, -0.125f
};
Kernel kernel = new Kernel(3, 3, kernelData2);
ConvolveOp cOp = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null);
mBufferedImage = cOp.filter(mBufferedImage, null);
String targetImageFile = getPictureSmallURL(srcImageFile, s);
File target = new File(targetImageFile);
File targetDir = target.getParentFile();
if (!targetDir.exists()) targetDir.mkdirs();
// 输出为文件
FileOutputStream out = new FileOutputStream(targetImageFile);
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
encoder.encode(mBufferedImage);
out.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
public BufferedImage getSharpen() {
float[] data = {0.0F, -0.75F, 0.0F, -0.75F, 4.0F, -0.75F, 0.0F, -0.75F, 0.0F};
ConvolveOp cop = new ConvolveOp(new Kernel(3, 3, data));
return this.image = cop.filter(this.image, null);
}
public static BufferedImage sharpen(BufferedImage bi) {
float elements[] = {-1.0f, -1.0f, -1.0f, -1.0f, 9.0f, -1.0f, -1.0f, -1.0f, -1.0f};
ConvolveOp convolve = new ConvolveOp(new Kernel(3, 3, elements));
return convolve.filter(bi, null);
}
public static BufferedImage edgeDetect(BufferedImage bi) {
float elements[] = {1.0f, 0.0f, -1.0f, 1.0f, 0.0f, -1.0f, 1.0f, 0.0f, -1.0f};
ConvolveOp convolve = new ConvolveOp(new Kernel(3, 3, elements));
return convolve.filter(bi, null);
}
static void paintShadowTitle(
Graphics g,
String title,
int x,
int y,
Color frente,
Color shadow,
int desp,
int tipo,
int orientation) {
// Si hay que rotar la fuente, se rota
Font f = g.getFont();
if (orientation == SwingConstants.VERTICAL) {
AffineTransform rotate = AffineTransform.getRotateInstance(Math.PI / 2);
f = f.deriveFont(rotate);
}
// Si hay que pintar sombra, se hacen un monton de cosas
if (shadow != null) {
int matrix = (tipo == THIN ? MATRIX_THIN : MATRIX_FAT);
Rectangle2D rect = g.getFontMetrics().getStringBounds(title, g);
int w, h;
if (orientation == SwingConstants.HORIZONTAL) {
w = (int) rect.getWidth() + 6 * matrix; // Hay que dejar espacio para las sombras y el borde
h = (int) rect.getHeight() + 6 * matrix; // que ConvolveOp ignora por el EDGE_NO_OP
} else {
h = (int) rect.getWidth() + 6 * matrix; // Hay que dejar espacio para las sombras y el borde
w = (int) rect.getHeight() + 6 * matrix; // que ConvolveOp ignora por el EDGE_NO_OP
}
// La sombra del titulo
BufferedImage iTitulo = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
BufferedImage iSombra = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = iTitulo.createGraphics();
g2.setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g2.setFont(f);
g2.setColor(shadow);
g2.drawString(title, 3 * matrix, 3 * matrix); // La pintamos en el centro
ConvolveOp cop =
new ConvolveOp((tipo == THIN ? kernelThin : kernelFat), ConvolveOp.EDGE_NO_OP, null);
cop.filter(iTitulo, iSombra); // A ditorsionar
// Por fin, pintamos el jodio titulo
g.drawImage(
iSombra,
x - 3 * matrix + desp, // Lo llevamos a la posicion original y le sumamos 1
y - 3 * matrix + desp, // para que la sombra quede pelin desplazada
null);
}
// Si hay que pintar el frente, se pinta
if (frente != null) {
g.setFont(f);
g.setColor(frente);
g.drawString(title, x, y);
}
}