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AndroidUtilCode

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提交 27e246af 编写于 作者: C cmj
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see 09/27 log

上级 4caff84f
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Showing with 44 addition and 72 deletion
utilcode/src/main/java/com/blankj/utilcode/utils/ImageUtils.java
浏览文件 @ 27e246af
......@@ -5,9 +5,7 @@ import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.graphics.Bitmap.Config;
import android.graphics.BitmapFactory;
import android.graphics.BitmapShader;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorMatrix;
......@@ -21,19 +19,17 @@ import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Shader;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.hardware.camera2.params.BlackLevelPattern;
import android.media.ExifInterface;
import android.os.Build;
import android.renderscript.Allocation;
import android.renderscript.Element;
import android.renderscript.RenderScript;
import android.renderscript.ScriptIntrinsicBlur;
import android.view.View;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileDescriptor;
......@@ -43,7 +39,6 @@ import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Date;
/**
* <pre>
......@@ -74,7 +69,7 @@ public class ImageUtils {
* byteArr转bitmap
*
* @param bytes 字节数组
* @return bitmap对象
* @return bitmap
*/
public static Bitmap bytes2Bitmap(byte[] bytes) {
return ConvertUtils.bytes2Bitmap(bytes);
......@@ -84,7 +79,7 @@ public class ImageUtils {
* drawable转bitmap
*
* @param drawable drawable对象
* @return bitmap对象
* @return bitmap
*/
public static Bitmap drawable2Bitmap(Drawable drawable) {
return ConvertUtils.drawable2Bitmap(drawable);
......@@ -95,7 +90,7 @@ public class ImageUtils {
*
* @param res resources对象
* @param bitmap bitmap对象
* @return drawable对象
* @return drawable
*/
public static Drawable bitmap2Drawable(Resources res, Bitmap bitmap) {
return ConvertUtils.bitmap2Drawable(res, bitmap);
......@@ -117,12 +112,22 @@ public class ImageUtils {
*
* @param res resources对象
* @param bytes 字节数组
* @return drawable对象
* @return drawable
*/
public static Drawable bytes2Drawable(Resources res, byte[] bytes) {
return ConvertUtils.bytes2Drawable(res, bytes);
}
/**
* view转Bitmap
*
* @param view 视图
* @return bitmap
*/
public static Bitmap view2Bitmap(View view) {
return ConvertUtils.view2Bitmap(view);
}
/**
* 计算采样大小
*
......@@ -278,39 +283,6 @@ public class ImageUtils {
return BitmapFactory.decodeByteArray(data, offset, data.length, options);
}
/**
* 获取bitmap
*
* @param context 上下文
* @param resId 资源id
* @return bitmap
*/
public static Bitmap getBitmap(Context context, int resId) {
if (context == null) return null;
InputStream is = context.getResources().openRawResource(resId);
return BitmapFactory.decodeStream(is);
}
/**
* 获取bitmap
*
* @param context 上下文
* @param resId 资源id
* @param maxWidth 最大宽度
* @param maxHeight 最大高度
* @return bitmap
*/
public static Bitmap getBitmap(Context context, int resId, int maxWidth, int maxHeight) {
if (context == null) return null;
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
InputStream is = context.getResources().openRawResource(resId);
BitmapFactory.decodeStream(is, null, options);
options.inSampleSize = calculateInSampleSize(options, maxWidth, maxHeight);
options.inJustDecodeBounds = false;
return BitmapFactory.decodeStream(is, null, options);
}
/**
* 获取bitmap
*
......@@ -606,15 +578,14 @@ public class ImageUtils {
int width = src.getWidth();
int height = src.getHeight();
int radius = Math.min(width, height) >> 1;
Bitmap ret = src.copy(src.getConfig(), true);
Bitmap ret = Bitmap.createBitmap(width, height, src.getConfig());
Paint paint = new Paint();
Canvas canvas = new Canvas(ret);
Rect rect = new Rect(0, 0, width, height);
paint.setAntiAlias(true);
paint.setColor(Color.TRANSPARENT);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawARGB(0, 0, 0, 0);
canvas.drawCircle(width >> 1, height >> 1, radius, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(src, rect, rect, paint);
if (recycle && !src.isRecycled()) src.recycle();
return ret;
......@@ -643,15 +614,15 @@ public class ImageUtils {
if (null == src) return null;
int width = src.getWidth();
int height = src.getHeight();
Bitmap ret = src.copy(src.getConfig(), true);
BitmapShader bitmapShader = new BitmapShader(src,
Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
Bitmap ret = Bitmap.createBitmap(width, height, src.getConfig());
Paint paint = new Paint();
Canvas canvas = new Canvas(ret);
RectF rectf = new RectF(0, 0, width, height);
Rect rect = new Rect(0, 0, width, height);
paint.setAntiAlias(true);
paint.setShader(bitmapShader);
canvas.drawRoundRect(rectf, radius, radius, paint);
canvas.drawARGB(0, 0, 0, 0);
canvas.drawRoundRect(new RectF(rect), radius, radius, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(src, rect, rect, paint);
if (recycle && !src.isRecycled()) src.recycle();
return ret;
}
......@@ -671,7 +642,7 @@ public class ImageUtils {
}
/**
* 快速模糊
* 快速模糊图片
* <p>先缩小原图，对小图进行模糊，再放大回原先尺寸</p>
*
* @param context 上下文
......@@ -699,7 +670,7 @@ public class ImageUtils {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
scaleBitmap = renderScriptBlur(context, scaleBitmap, radius);
} else {
scaleBitmap = stackBlur(scaleBitmap, (int) radius, true);
scaleBitmap = stackBlur(scaleBitmap, (int) radius, recycle);
}
if (scale == 1) return scaleBitmap;
Bitmap ret = Bitmap.createScaledBitmap(scaleBitmap, width, height, true);
......@@ -714,7 +685,7 @@ public class ImageUtils {
*
* @param context 上下文
* @param src 源图片
* @param radius 模糊度(0...25)
* @param radius 模糊度(1...25)
* @return 模糊后的图片
*/
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
......@@ -751,7 +722,7 @@ public class ImageUtils {
* @param src 源图片
* @param radius 模糊半径
* @param recycle 是否回收
* @return stackBlur模糊图片
* @return stack模糊后的图片
*/
public static Bitmap stackBlur(Bitmap src, int radius, boolean recycle) {
Bitmap ret;
......@@ -762,7 +733,7 @@ public class ImageUtils {
}
if (radius < 1) {
return (null);
return null;
}
int w = ret.getWidth();
......@@ -954,7 +925,7 @@ public class ImageUtils {
}
}
ret.setPixels(pix, 0, w, 0, 0, w, h);
return (ret);
return ret;
}
/**
......@@ -966,7 +937,7 @@ public class ImageUtils {
* @return 带颜色边框图
*/
public static Bitmap addFrame(Bitmap src, int borderWidth, int color) {
return addFrame(src, borderWidth, color);
return addFrame(src, borderWidth, color, false);
}
/**
......@@ -980,16 +951,18 @@ public class ImageUtils {
*/
public static Bitmap addFrame(Bitmap src, int borderWidth, int color, boolean recycle) {
if (isEmptyBitmap(src)) return null;
int newWidth = src.getWidth() + borderWidth >> 1;
int newHeight = src.getHeight() + borderWidth >> 1;
int doubleBorder = borderWidth << 1;
int newWidth = src.getWidth() + doubleBorder;
int newHeight = src.getHeight() + doubleBorder;
Bitmap ret = Bitmap.createBitmap(newWidth, newHeight, src.getConfig());
Canvas canvas = new Canvas(ret);
Rect rec = canvas.getClipBounds();
Rect rect = new Rect(0, 0, newWidth, newHeight);
Paint paint = new Paint();
paint.setColor(color);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth(borderWidth);
canvas.drawRect(rec, paint);
// setStrokeWidth是居中画的，所以要两倍的宽度才能画，否则有一半的宽度是空的
paint.setStrokeWidth(doubleBorder);
canvas.drawRect(rect, paint);
canvas.drawBitmap(src, borderWidth, borderWidth, null);
if (recycle && !src.isRecycled()) src.recycle();
return ret;
......@@ -1053,13 +1026,13 @@ public class ImageUtils {
* @param content 水印文本
* @param textSize 水印字体大小
* @param color 水印字体颜色
* @param alpha 水印字体透明度
* @param x 起始坐标x
* @param y 起始坐标y
* @return 带有文字水印的图片
*/
public static Bitmap addTextWatermark(Bitmap src, String content, int textSize, int color, int alpha, float x, float y) {
return addTextWatermark(src, content, textSize, color, alpha, x, y, false);
public static Bitmap addTextWatermark(Bitmap src, String content, int textSize, int color, float x,
float y) {
return addTextWatermark(src, content, textSize, color, x, y, false);
}
/**
......@@ -1069,23 +1042,22 @@ public class ImageUtils {
* @param content 水印文本
* @param textSize 水印字体大小
* @param color 水印字体颜色
* @param alpha 水印字体透明度
* @param x 起始坐标x
* @param y 起始坐标y
* @param recycle 是否回收
* @return 带有文字水印的图片
*/
public static Bitmap addTextWatermark(Bitmap src, String content, int textSize, int color, int alpha, float x, float y, boolean recycle) {
public static Bitmap addTextWatermark(Bitmap src, String content, float textSize, int color, float x,
float y, boolean recycle) {
if (isEmptyBitmap(src) || content == null) return null;
Bitmap ret = src.copy(src.getConfig(), true);
Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
Canvas canvas = new Canvas(ret);
paint.setAlpha(alpha);
paint.setColor(color);
paint.setTextSize(textSize);
Rect bounds = new Rect();
paint.getTextBounds(content, 0, content.length(), bounds);
canvas.drawText(content, x, y, paint);
canvas.drawText(content, x, y + textSize, paint);
if (recycle && !src.isRecycled()) src.recycle();
return ret;
}
......@@ -1135,7 +1107,7 @@ public class ImageUtils {
* @return alpha位图
*/
public static Bitmap toAlpha(Bitmap src) {
return toAlpha(src);
return toAlpha(src, false);
}
/**
......
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