- import java.awt.AlphaComposite;
- import java.awt.Color;
- import java.awt.Font;
- import java.awt.Graphics;
- import java.awt.Graphics2D;
- import java.awt.Image;
- import java.awt.Toolkit;
- import java.awt.color.ColorSpace;
- import java.awt.geom.AffineTransform;
- import java.awt.image.AffineTransformOp;
- import java.awt.image.BufferedImage;
- import java.awt.image.ColorConvertOp;
- import java.awt.image.CropImageFilter;
- import java.awt.image.FilteredImageSource;
- import java.awt.image.ImageFilter;
- import java.io.File;
- import java.io.IOException;
-
- import javax.imageio.ImageIO;
-
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-
-
- public class ImagesUtil {
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-
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- public static String IMAGE_TYPE_GIF = "gif";
- public static String IMAGE_TYPE_JPG = "jpg";
- public static String IMAGE_TYPE_JPEG = "jpeg";
- public static String IMAGE_TYPE_BMP = "bmp";
- public static String IMAGE_TYPE_PNG = "png";
- public static String IMAGE_TYPE_PSD = "psd";
-
-
-
-
-
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- public static void main(String[] args) {
-
-
- ImagesUtil.scale("f:/2.gif", "f:/_scale.jpg", 11, false);
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- ImagesUtil.pressImage("e:/abc2.jpg", "e:/abc.jpg",
- "e:/abc_pressImage.jpg", 0, 0, 0.5f);
- }
-
-
-
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-
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-
-
-
-
-
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- public final static void scale(String srcImageFile, String result,
- int scale, boolean flag) {
- try {
- BufferedImage src = ImageIO.read(new File(srcImageFile));
- int width = src.getWidth();
- int height = src.getHeight();
- if (flag) {
- width = width * scale;
- height = height * scale;
- } else {
- width = width / scale;
- height = height / scale;
- }
- Image image = src.getScaledInstance(width, height,
- Image.SCALE_DEFAULT);
- BufferedImage tag = new BufferedImage(width, height,
- BufferedImage.TYPE_INT_RGB);
- Graphics g = tag.getGraphics();
- g.drawImage(image, 0, 0, null);
- g.dispose();
- ImageIO.write(tag, "JPEG", new File(result));
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
-
-
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- public final static void scale2(String srcImageFile, String result,
- int height, int width, boolean bb) {
- try {
- double ratio = 0.0;
- File f = new File(srcImageFile);
- BufferedImage bi = ImageIO.read(f);
- Image itemp = bi.getScaledInstance(width, height, bi.SCALE_SMOOTH);
-
- if ((bi.getHeight() > height) || (bi.getWidth() > width)) {
- if (bi.getHeight() > bi.getWidth()) {
- ratio = (new Integer(height)).doubleValue()
- / bi.getHeight();
- } else {
- ratio = (new Integer(width)).doubleValue() / bi.getWidth();
- }
- AffineTransformOp op = new AffineTransformOp(AffineTransform
- .getScaleInstance(ratio, ratio), null);
- itemp = op.filter(bi, null);
- }
- if (bb) {
- BufferedImage image = new BufferedImage(width, height,
- BufferedImage.TYPE_INT_RGB);
- Graphics2D g = image.createGraphics();
- g.setColor(Color.white);
- g.fillRect(0, 0, width, height);
- if (width == itemp.getWidth(null))
- g.drawImage(itemp, 0, (height - itemp.getHeight(null)) / 2,
- itemp.getWidth(null), itemp.getHeight(null),
- Color.white, null);
- else
- g.drawImage(itemp, (width - itemp.getWidth(null)) / 2, 0,
- itemp.getWidth(null), itemp.getHeight(null),
- Color.white, null);
- g.dispose();
- itemp = image;
- }
- ImageIO.write((BufferedImage) itemp, "JPEG", new File(result));
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
-
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- public final static void cut(String srcImageFile, String result, int x,
- int y, int width, int height) {
- try {
-
- BufferedImage bi = ImageIO.read(new File(srcImageFile));
- int srcWidth = bi.getHeight();
- int srcHeight = bi.getWidth();
- if (srcWidth > 0 && srcHeight > 0) {
- Image image = bi.getScaledInstance(srcWidth, srcHeight,
- Image.SCALE_DEFAULT);
-
-
- ImageFilter cropFilter = new CropImageFilter(x, y, width,
- height);
- Image img = Toolkit.getDefaultToolkit().createImage(
- new FilteredImageSource(image.getSource(), cropFilter));
- BufferedImage tag = new BufferedImage(width, height,
- BufferedImage.TYPE_INT_RGB);
- Graphics g = tag.getGraphics();
- g.drawImage(img, 0, 0, width, height, null);
- g.dispose();
-
- ImageIO.write(tag, "JPEG", new File(result));
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
-
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- public final static void cut2(String srcImageFile, String descDir,
- int rows, int cols) {
- try {
- if (rows <= 0 || rows > 20)
- rows = 2;
- if (cols <= 0 || cols > 20)
- cols = 2;
-
- BufferedImage bi = ImageIO.read(new File(srcImageFile));
- int srcWidth = bi.getHeight();
- int srcHeight = bi.getWidth();
- if (srcWidth > 0 && srcHeight > 0) {
- Image img;
- ImageFilter cropFilter;
- Image image = bi.getScaledInstance(srcWidth, srcHeight,
- Image.SCALE_DEFAULT);
- int destWidth = srcWidth;
- int destHeight = srcHeight;
-
- if (srcWidth % cols == 0) {
- destWidth = srcWidth / cols;
- } else {
- destWidth = (int) Math.floor(srcWidth / cols) + 1;
- }
- if (srcHeight % rows == 0) {
- destHeight = srcHeight / rows;
- } else {
- destHeight = (int) Math.floor(srcWidth / rows) + 1;
- }
-
-
- for (int i = 0; i < rows; i++) {
- for (int j = 0; j < cols; j++) {
-
-
- cropFilter = new CropImageFilter(j * destWidth, i
- * destHeight, destWidth, destHeight);
- img = Toolkit.getDefaultToolkit().createImage(
- new FilteredImageSource(image.getSource(),
- cropFilter));
- BufferedImage tag = new BufferedImage(destWidth,
- destHeight, BufferedImage.TYPE_INT_RGB);
- Graphics g = tag.getGraphics();
- g.drawImage(img, 0, 0, null);
- g.dispose();
-
- ImageIO.write(tag, "JPEG", new File(descDir + "_r" + i
- + "_c" + j + ".jpg"));
- }
- }
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
-
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- public final static void cut3(String srcImageFile, String descDir,
- int destWidth, int destHeight) {
- try {
- if (destWidth <= 0)
- destWidth = 200;
- if (destHeight <= 0)
- destHeight = 150;
-
- BufferedImage bi = ImageIO.read(new File(srcImageFile));
- int srcWidth = bi.getHeight();
- int srcHeight = bi.getWidth();
- if (srcWidth > destWidth && srcHeight > destHeight) {
- Image img;
- ImageFilter cropFilter;
- Image image = bi.getScaledInstance(srcWidth, srcHeight,
- Image.SCALE_DEFAULT);
- int cols = 0;
- int rows = 0;
-
- if (srcWidth % destWidth == 0) {
- cols = srcWidth / destWidth;
- } else {
- cols = (int) Math.floor(srcWidth / destWidth) + 1;
- }
- if (srcHeight % destHeight == 0) {
- rows = srcHeight / destHeight;
- } else {
- rows = (int) Math.floor(srcHeight / destHeight) + 1;
- }
-
-
- for (int i = 0; i < rows; i++) {
- for (int j = 0; j < cols; j++) {
-
-
- cropFilter = new CropImageFilter(j * destWidth, i
- * destHeight, destWidth, destHeight);
- img = Toolkit.getDefaultToolkit().createImage(
- new FilteredImageSource(image.getSource(),
- cropFilter));
- BufferedImage tag = new BufferedImage(destWidth,
- destHeight, BufferedImage.TYPE_INT_RGB);
- Graphics g = tag.getGraphics();
- g.drawImage(img, 0, 0, null);
- g.dispose();
-
- ImageIO.write(tag, "JPEG", new File(descDir + "_r" + i
- + "_c" + j + ".jpg"));
- }
- }
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
-
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- public final static void convert(String srcImageFile, String formatName,
- String destImageFile) {
- try {
- File f = new File(srcImageFile);
- f.canRead();
- f.canWrite();
- BufferedImage src = ImageIO.read(f);
- ImageIO.write(src, formatName, new File(destImageFile));
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
-
-
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-
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- public final static void gray(String srcImageFile, String destImageFile) {
- try {
- BufferedImage src = ImageIO.read(new File(srcImageFile));
- ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_GRAY);
- ColorConvertOp op = new ColorConvertOp(cs, null);
- src = op.filter(src, null);
- ImageIO.write(src, "JPEG", new File(destImageFile));
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
-
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- public final static void pressText(String pressText, String srcImageFile,
- String destImageFile, String fontName, int fontStyle, Color color,
- int fontSize, int x, int y, float alpha) {
- try {
- File img = new File(srcImageFile);
- Image src = ImageIO.read(img);
- int width = src.getWidth(null);
- int height = src.getHeight(null);
- BufferedImage image = new BufferedImage(width, height,
- BufferedImage.TYPE_INT_RGB);
- Graphics2D g = image.createGraphics();
- g.drawImage(src, 0, 0, width, height, null);
- g.setColor(color);
- g.setFont(new Font(fontName, fontStyle, fontSize));
- g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP,
- alpha));
-
- g.drawString(pressText, (width - (getLength(pressText) * fontSize))
- / 2 + x, (height - fontSize) / 2 + y);
- g.dispose();
- ImageIO.write((BufferedImage) image, "JPEG",
- new File(destImageFile));
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
-
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- public final static void pressText2(String pressText, String srcImageFile,
- String destImageFile, String fontName, int fontStyle, Color color,
- int fontSize, int x, int y, float alpha) {
- try {
- File img = new File(srcImageFile);
- Image src = ImageIO.read(img);
- int width = src.getWidth(null);
- int height = src.getHeight(null);
- BufferedImage image = new BufferedImage(width, height,
- BufferedImage.TYPE_INT_RGB);
- Graphics2D g = image.createGraphics();
- g.drawImage(src, 0, 0, width, height, null);
- g.setColor(color);
- g.setFont(new Font(fontName, fontStyle, fontSize));
- g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP,
- alpha));
-
- g.drawString(pressText, (width - (getLength(pressText) * fontSize))
- / 2 + x, (height - fontSize) / 2 + y);
- g.dispose();
- ImageIO.write((BufferedImage) image, "JPEG",
- new File(destImageFile));
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
-
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- public final static void pressImage(String pressImg, String srcImageFile,
- String destImageFile, int x, int y, float alpha) {
- try {
- File img = new File(srcImageFile);
- Image src = ImageIO.read(img);
- int wideth = src.getWidth(null);
- int height = src.getHeight(null);
- BufferedImage image = new BufferedImage(wideth, height,
- BufferedImage.TYPE_INT_RGB);
- Graphics2D g = image.createGraphics();
- g.drawImage(src, 0, 0, wideth, height, null);
-
- Image src_biao = ImageIO.read(new File(pressImg));
- int wideth_biao = src_biao.getWidth(null);
- int height_biao = src_biao.getHeight(null);
- g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP,
- alpha));
- g.drawImage(src_biao, (wideth - wideth_biao) / 2,
- (height - height_biao) / 2, wideth_biao, height_biao, null);
-
- g.dispose();
- ImageIO.write((BufferedImage) image, "JPEG",
- new File(destImageFile));
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
-
-
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-
-
-
- public final static int getLength(String text) {
- int length = 0;
- for (int i = 0; i < text.length(); i++) {
- if (new String(text.charAt(i) + "").getBytes().length > 1) {
- length += 2;
- } else {
- length += 1;
- }
- }
- return length / 2;
- }
- }
posted @
2013-04-10 17:18
hold su
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