package com.partynetwork.dataprovider.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import com.lidroid.xutils.BitmapUtils;
import com.lidroid.xutils.bitmap.BitmapDisplayConfig;
import com.lidroid.xutils.bitmap.callback.BitmapLoadCallBack;
import com.lidroid.xutils.bitmap.callback.SimpleBitmapLoadCallBack;
import com.lidroid.xutils.bitmap.core.BitmapSize;
import com.partynetwork.iparty.app.AppContext;
import com.partynetwork.iparty.app.AppException;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.ColorMatrix;
import android.graphics.ColorMatrixColorFilter;
import android.graphics.LinearGradient;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Shader.TileMode;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.util.Log;
import android.widget.ImageView;
/**
* 处理图片的工具类.
*/
public class BitmapUtil {
public static final int LEFT = 0;
public static final int RIGHT = 1;
public static final int TOP = 3;
public static final int BOTTOM = 4;
/**
* 转换图片成圆形
*
* @param bitmap
* @return
*/
public static Bitmap toRoundBitmap(Bitmap bitmap) {
int width = bitmap.getWidth();
int height = bitmap.getHeight();
float roundPx;
float left, top, right, bottom, dst_left, dst_top, dst_right, dst_bottom;
if (width <= height) {
roundPx = width / 2;
top = 0;
bottom = width;
left = 0;
right = width;
height = width;
dst_left = 0;
dst_top = 0;
dst_right = width;
dst_bottom = width;
} else {
roundPx = height / 2;
float clip = (width - height) / 2;
left = clip;
right = width - clip;
top = 0;
bottom = height;
width = height;
dst_left = 0;
dst_top = 0;
dst_right = height;
dst_bottom = height;
}
Bitmap output = Bitmap.createBitmap(width, height, Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect src = new Rect((int) left, (int) top, (int) right,
(int) bottom);
final Rect dst = new Rect((int) dst_left, (int) dst_top,
(int) dst_right, (int) dst_bottom);
final RectF rectF = new RectF(dst);
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap, src, dst, paint);
return output;
}
/**
* 图片去色,返回灰度图片
*
* @param bmpOriginal
* 传入的图片
* @return 去色后的图片
*/
public static Bitmap toGrayscale(Bitmap bmpOriginal) {
int width, height;
height = bmpOriginal.getHeight();
width = bmpOriginal.getWidth();
Bitmap bmpGrayscale = Bitmap.createBitmap(width, height,
Bitmap.Config.RGB_565);
Canvas c = new Canvas(bmpGrayscale);
Paint paint = new Paint();
ColorMatrix cm = new ColorMatrix();
cm.setSaturation(0);
ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
paint.setColorFilter(f);
c.drawBitmap(bmpOriginal, 0, 0, paint);
return bmpGrayscale;
}
/**
* 去色同时加圆角
*
* @param bmpOriginal
* 原图
* @param pixels
* 圆角弧度
* @return 修改后的图片
*/
public static Bitmap toGrayscale(Bitmap bmpOriginal, int pixels) {
return toRoundCorner(toGrayscale(bmpOriginal), pixels);
}
/**
* 把图片变成圆角
*
* @param bitmap
* 需要修改的图片
* @param pixels
* 圆角的弧度
* @return 圆角图片
*/
public static Bitmap toRoundCorner(Bitmap bitmap, int pixels) {
Bitmap output = Bitmap.createBitmap(bitmap.getWidth(),
bitmap.getHeight(), Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
final RectF rectF = new RectF(rect);
final float roundPx = pixels;
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
return output;
}
/**
* 使圆角功能支持BitampDrawable
*
* @param bitmapDrawable
* @param pixels
* @return
*/
public static BitmapDrawable toRoundCorner(BitmapDrawable bitmapDrawable,
int pixels) {
Bitmap bitmap = bitmapDrawable.getBitmap();
bitmapDrawable = new BitmapDrawable(toRoundCorner(bitmap, pixels));
return bitmapDrawable;
}
/**
* 读取路径中的图片，将其缩放1/2
*
* @param path
*/
public static void saveBefore(String path) {
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
// 获取这个图片的宽和高
Bitmap bitmap = BitmapFactory.decodeFile(path, options); // 此时返回bm为空
options.inJustDecodeBounds = false;
// 计算缩放比
int be = (int) (options.outHeight / (float) 200);
if (be <= 0)
be = 1;
options.inSampleSize = 2; // 图片长宽各缩小二分之一
// 重新读入图片，注意这次要把options.inJustDecodeBounds 设为 false哦
bitmap = BitmapFactory.decodeFile(path, options);
// savePNG_After(bitmap,path);
save2JPGE(bitmap, path);
}
/**
* 保存图片为PNG
*
* @param bitmap
* @param name
*/
public static void save2PNG(Bitmap bitmap, String name) {
File file = new File(name);
try {
FileOutputStream out = new FileOutputStream(file);
if (bitmap.compress(Bitmap.CompressFormat.PNG, 100, out)) {
out.flush();
out.close();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 保存图片为JPEG
*
* @param bitmap
* @param path
*/
public static void save2JPGE(Bitmap bitmap, String path) {
File file = new File(path);
try {
FileOutputStream out = new FileOutputStream(file);
if (bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out)) {
out.flush();
out.close();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 水印
*
* @param bitmap
* @return
*/
public static Bitmap createBitmapForWatermark(Bitmap src, Bitmap watermark) {
if (src == null) {
return null;
}
int w = src.getWidth();
int h = src.getHeight();
int ww = watermark.getWidth();
int wh = watermark.getHeight();
// create the new blank bitmap
Bitmap newb = Bitmap.createBitmap(w, h, Config.ARGB_8888);// 创建一个新的和SRC长度宽度一样的位图
Canvas cv = new Canvas(newb);
// draw src into
cv.drawBitmap(src, 0, 0, null);// 在 0，0坐标开始画入src
// draw watermark into
cv.drawBitmap(watermark, w - ww + 5, h - wh + 5, null);// 在src的右下角画入水印
// save all clip
cv.save(Canvas.ALL_SAVE_FLAG);// 保存
// store
cv.restore();// 存储
return newb;
}
/**
* 图片合成
*
* @return
*/
public static Bitmap potoMix(int direction, Bitmap... bitmaps) {
if (bitmaps.length <= 0) {
return null;
}
if (bitmaps.length == 1) {
return bitmaps[0];
}
Bitmap newBitmap = bitmaps[0];
// newBitmap = createBitmapForFotoMix(bitmaps[0],bitmaps[1],direction);
for (int i = 1; i < bitmaps.length; i++) {
newBitmap = createBitmapForFotoMix(newBitmap, bitmaps[i], direction);
}
return newBitmap;
}
private static Bitmap createBitmapForFotoMix(Bitmap first, Bitmap second,
int direction) {
if (first == null) {
return null;
}
if (second == null) {
return first;
}
int fw = first.getWidth();
int fh = first.getHeight();
int sw = second.getWidth();
int sh = second.getHeight();
Bitmap newBitmap = null;
if (direction == LEFT) {
newBitmap = Bitmap.createBitmap(fw + sw, fh > sh ? fh : sh,
Config.ARGB_8888);
Canvas canvas = new Canvas(newBitmap);
canvas.drawBitmap(first, sw, 0, null);
canvas.drawBitmap(second, 0, 0, null);
} else if (direction == RIGHT) {
newBitmap = Bitmap.createBitmap(fw + sw, fh > sh ? fh : sh,
Config.ARGB_8888);
Canvas canvas = new Canvas(newBitmap);
canvas.drawBitmap(first, 0, 0, null);
canvas.drawBitmap(second, fw, 0, null);
} else if (direction == TOP) {
newBitmap = Bitmap.createBitmap(sw > fw ? sw : fw, fh + sh,
Config.ARGB_8888);
Canvas canvas = new Canvas(newBitmap);
canvas.drawBitmap(first, 0, sh, null);
canvas.drawBitmap(second, 0, 0, null);
} else if (direction == BOTTOM) {
newBitmap = Bitmap.createBitmap(sw > fw ? sw : fw, fh + sh,
Config.ARGB_8888);
Canvas canvas = new Canvas(newBitmap);
canvas.drawBitmap(first, 0, 0, null);
canvas.drawBitmap(second, 0, fh, null);
}
return newBitmap;
}
/**
* 将Bitmap转换成指定大小
*
* @param bitmap
* @param w
* @param h
* @return
*/
public static Bitmap zoomBitmap(Bitmap bitmap, int w, int h) {
int width = bitmap.getWidth();
int height = bitmap.getHeight();
Matrix matrix = new Matrix();
float scaleWidht = ((float) w / width);
float scaleHeight = ((float) h / height);
matrix.postScale(scaleWidht, scaleHeight);
Bitmap newbmp = Bitmap.createBitmap(bitmap, 0, 0, width, height,
matrix, true);
return newbmp;
}
/**
* 根据宽度等比例缩放图片获取高度
*
* @param bitmap
* @param w
* @return height 缩放后的高度
*/
public static float zoomBitmapToWidth(Bitmap bitmap, int w) {
float width = bitmap.getWidth();
int height = bitmap.getHeight();
return height * w / width;
}
/**
* Drawable 转 Bitmap
*
* @param drawable
* @return
*/
public static Bitmap drawableToBitmapByBD(Drawable drawable) {
BitmapDrawable bitmapDrawable = (BitmapDrawable) drawable;
return bitmapDrawable.getBitmap();
}
/**
* Bitmap 转 Drawable
*
* @param bitmap
* @return
*/
public static Drawable bitmapToDrawableByBD(Bitmap bitmap) {
Drawable drawable = new BitmapDrawable(bitmap);
return drawable;
}
/**
* byte[] 转 bitmap
*
* @param b
* @return
*/
public static Bitmap bytesToBimap(byte[] b) {
if (b.length != 0) {
return BitmapFactory.decodeByteArray(b, 0, b.length);
} else {
return null;
}
}
/**
* bitmap 转 byte[]
*
* @param bm
* @return
*/
public static byte[] bitmapToBytes(Bitmap bm) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.PNG, 100, baos);
return baos.toByteArray();
}
/**
* 获得带倒影的图片方法
*
* @param bitmap
* @return
*/
public static Bitmap createReflectionImageWithOrigin(Bitmap bitmap) {
final int reflectionGap = 4;
int width = bitmap.getWidth();
int height = bitmap.getHeight();
Matrix matrix = new Matrix();
matrix.preScale(1, -1);
Bitmap reflectionImage = Bitmap.createBitmap(bitmap, 0, height / 2,
width, height / 2, matrix, false);
Bitmap bitmapWithReflection = Bitmap.createBitmap(width,
(height + height / 2), Config.ARGB_8888);
Canvas canvas = new Canvas(bitmapWithReflection);
canvas.drawBitmap(bitmap, 0, 0, null);
Paint deafalutPaint = new Paint();
canvas.drawRect(0, height, width, height + reflectionGap, deafalutPaint);
canvas.drawBitmap(reflectionImage, 0, height + reflectionGap, null);
Paint paint = new Paint();
LinearGradient shader = new LinearGradient(0, bitmap.getHeight(), 0,
bitmapWithReflection.getHeight() + reflectionGap, 0x70ffffff,
0x00ffffff, TileMode.CLAMP);
paint.setShader(shader);
// Set the Transfer mode to be porter duff and destination in
paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
// Draw a rectangle using the paint with our linear gradient
canvas.drawRect(0, height, width, bitmapWithReflection.getHeight()
+ reflectionGap, paint);
return bitmapWithReflection;
}
/**
* 获得转存，压缩后的图片路径
*
* @param oldPath
* @param bitmapMaxWidth
* @return
* @throws Exception
*/
public static String getThumbUploadPath(String oldPath, int maxWidth,
int maxHeight, int key) throws Exception {
Bitmap bitmap = getSmallBitmap(oldPath, maxWidth, maxHeight);
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.CHINA)
.format(new Date());
return saveImg(bitmap, MD5Util.md5(timeStamp) + key);
}
/**
* 计算图片的缩放值
*
* @param options
* @param reqWidth
* @param reqHeight
* @return
*/
public static int calculateInSampleSize(BitmapFactory.Options options,
int reqWidth, int reqHeight) {
// Raw height and width of image
final int height = options.outHeight;
final int width = options.outWidth;
int inSampleSize = 1;
if (height > reqHeight || width > reqWidth) {
if (width > height) {
inSampleSize = Math.round((float) height / (float) reqHeight);
} else {
inSampleSize = Math.round((float) width / (float) reqWidth);
}
}
return inSampleSize;
}
/**
* 将图片进行质量压缩
*
* @param image
* @return
*/
public static Bitmap compressImage(Bitmap image) {
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
image.compress(Bitmap.CompressFormat.JPEG, 100, baos);// 质量压缩方法，这里100表示不压缩，把压缩后的数据存放到baos中
int options = 100;
while (baos.toByteArray().length / 1024 > 100) { // 循环判断如果压缩后图片是否大于100kb,大于继续压缩
baos.reset();// 重置baos即清空baos
image.compress(Bitmap.CompressFormat.JPEG, options, baos);// 这里压缩options%，把压缩后的数据存放到baos中
options -= 5;// 每次都减少10
}
ByteArrayInputStream isBm = new ByteArrayInputStream(
baos.toByteArray());// 把压缩后的数据baos存放到ByteArrayInputStream中
Bitmap bitmap = BitmapFactory.decodeStream(isBm);// 把ByteArrayInputStream数据生成图片
return bitmap;
} catch (Exception e) {
return image;
}
}
/**
* 图片按比例大小压缩方法（根据路径获取图片并压缩）
*
* @param srcPath
* @return
*/
public static Bitmap getSmallBitmap(String srcPath, int maxWidth,
int maxHeight) throws FileNotFoundException {
File file = new File(srcPath);
if (!file.exists()) {
throw new FileNotFoundException();
}
FileInputStream in = new FileInputStream(file);
BitmapFactory.Options newOpts = new BitmapFactory.Options();
// 开始读入图片，此时把options.inJustDecodeBounds 设回true了
newOpts.inJustDecodeBounds = true;
BitmapFactory.decodeFile(srcPath, newOpts);// 此时返回bm为空
newOpts.inSampleSize = calculateInSampleSize(newOpts, maxWidth,
maxHeight);// 设置缩放比例
newOpts.inJustDecodeBounds = false;
// 重新读入图片，注意此时已经把options.inJustDecodeBounds 设回false了
Bitmap bitmap = BitmapFactory.decodeStream(in, null, newOpts);
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
return compressImage(bitmap);// 压缩好比例大小后再进行质量压缩
}
/**
* 以指定文件名保存图片
*
* @param b
* @param name
* abc.jpg==abc
* @return
* @throws Exception
*/
public static String saveImg(Bitmap b, String name) throws Exception {
String path = AppConst.TEMP_PATH;
File mediaFile = new File(path + name + ".jpg");
if (mediaFile.exists()) {
mediaFile.delete();
}
if (!new File(path).exists()) {
new File(path).mkdirs();
}
mediaFile.createNewFile();
FileOutputStream fos = new FileOutputStream(mediaFile);
b.compress(Bitmap.CompressFormat.JPEG, 100, fos);// 100%压缩
fos.flush();
fos.close();
b.recycle();
b = null;
System.gc();
return mediaFile.getPath();
}
/**
* 获得一个随机文件名
*
* @return
*/
public static String getImagePath() {
String path = AppConst.TEMP_PATH;
String filename = System.currentTimeMillis() + ".jpg";
// File mediaFile = new File(path + filename);
// return mediaFile.getAbsolutePath();
return path + filename;
}
/**
* 保存图片
*
* @param b
* @return
* @throws Exception
*/
public static String saveImg(Bitmap b) throws Exception {
return saveImg(b, "" + System.currentTimeMillis());
}
/**
* 添加到图库
*/
public static void galleryAddPic(Context context, String path) {
Intent mediaScanIntent = new Intent(
Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
File f = new File(path);
Uri contentUri = Uri.fromFile(f);
mediaScanIntent.setData(contentUri);
context.sendBroadcast(mediaScanIntent);
}
}