package com.cooleshow.base.utils; import android.Manifest; import android.content.ContentValues; import android.content.res.Resources; import android.graphics.Bitmap; import android.graphics.Bitmap.CompressFormat; import android.graphics.BitmapFactory; import android.graphics.BitmapShader; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.ColorMatrix; import android.graphics.ColorMatrixColorFilter; import android.graphics.LinearGradient; import android.graphics.Matrix; import android.graphics.Paint; import android.graphics.Path; import android.graphics.PixelFormat; import android.graphics.PorterDuff; import android.graphics.PorterDuffColorFilter; 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.media.ExifInterface; import android.net.Uri; import android.os.Build; import android.os.Environment; import android.provider.MediaStore; import android.renderscript.Allocation; import android.renderscript.Element; import android.renderscript.RenderScript; import android.renderscript.ScriptIntrinsicBlur; import android.text.TextUtils; import android.util.Log; import android.view.View; import java.io.BufferedOutputStream; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileDescriptor; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import androidx.annotation.ColorInt; import androidx.annotation.DrawableRes; import androidx.annotation.FloatRange; import androidx.annotation.IntRange; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.annotation.RequiresApi; import androidx.core.content.ContextCompat; /** *
 *     author: Blankj
 *     blog  : http://blankj.com
 *     time  : 2016/08/12
 *     desc  : utils about image
 * 
*/ public final class ImageUtils { private ImageUtils() { throw new UnsupportedOperationException("u can't instantiate me..."); } /** * Bitmap to bytes. * * @param bitmap The bitmap. * @return bytes */ public static byte[] bitmap2Bytes(final Bitmap bitmap) { return bitmap2Bytes(bitmap, CompressFormat.PNG, 100); } /** * Bitmap to bytes. * * @param bitmap The bitmap. * @param format The format of bitmap. * @param quality The quality. * @return bytes */ public static byte[] bitmap2Bytes(@Nullable final Bitmap bitmap, @NonNull final CompressFormat format, int quality) { if (bitmap == null) return null; ByteArrayOutputStream baos = new ByteArrayOutputStream(); bitmap.compress(format, quality, baos); return baos.toByteArray(); } /** * Bytes to bitmap. * * @param bytes The bytes. * @return bitmap */ public static Bitmap bytes2Bitmap(@Nullable final byte[] bytes) { return (bytes == null || bytes.length == 0) ? null : BitmapFactory.decodeByteArray(bytes, 0, bytes.length); } /** * Drawable to bitmap. * * @param drawable The drawable. * @return bitmap */ public static Bitmap drawable2Bitmap(@Nullable final Drawable drawable) { if (drawable == null) return null; if (drawable instanceof BitmapDrawable) { BitmapDrawable bitmapDrawable = (BitmapDrawable) drawable; if (bitmapDrawable.getBitmap() != null) { return bitmapDrawable.getBitmap(); } } Bitmap bitmap; if (drawable.getIntrinsicWidth() <= 0 || drawable.getIntrinsicHeight() <= 0) { bitmap = Bitmap.createBitmap(1, 1, drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565); } else { bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565); } Canvas canvas = new Canvas(bitmap); drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight()); drawable.draw(canvas); return bitmap; } /** * Bitmap to drawable. * * @param bitmap The bitmap. * @return drawable */ public static Drawable bitmap2Drawable(@Nullable final Bitmap bitmap) { return bitmap == null ? null : new BitmapDrawable(Utils.getApp().getResources(), bitmap); } /** * Drawable to bytes. * * @param drawable The drawable. * @return bytes */ public static byte[] drawable2Bytes(@Nullable final Drawable drawable) { return drawable == null ? null : bitmap2Bytes(drawable2Bitmap(drawable)); } /** * Drawable to bytes. * * @param drawable The drawable. * @param format The format of bitmap. * @return bytes */ public static byte[] drawable2Bytes(final Drawable drawable, final CompressFormat format, int quality) { return drawable == null ? null : bitmap2Bytes(drawable2Bitmap(drawable), format, quality); } /** * Bytes to drawable. * * @param bytes The bytes. * @return drawable */ public static Drawable bytes2Drawable(final byte[] bytes) { return bitmap2Drawable(bytes2Bitmap(bytes)); } /** * View to bitmap. * * @param view The view. * @return bitmap */ public static Bitmap view2Bitmap(final View view) { if (view == null) return null; boolean drawingCacheEnabled = view.isDrawingCacheEnabled(); boolean willNotCacheDrawing = view.willNotCacheDrawing(); view.setDrawingCacheEnabled(true); view.setWillNotCacheDrawing(false); Bitmap drawingCache = view.getDrawingCache(); Bitmap bitmap; if (null == drawingCache || drawingCache.isRecycled()) { view.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED), View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED)); view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight()); view.buildDrawingCache(); drawingCache = view.getDrawingCache(); if (null == drawingCache || drawingCache.isRecycled()) { bitmap = Bitmap.createBitmap(view.getMeasuredWidth(), view.getMeasuredHeight(), Bitmap.Config.RGB_565); Canvas canvas = new Canvas(bitmap); view.draw(canvas); } else { bitmap = Bitmap.createBitmap(drawingCache); } } else { bitmap = Bitmap.createBitmap(drawingCache); } view.setWillNotCacheDrawing(willNotCacheDrawing); view.setDrawingCacheEnabled(drawingCacheEnabled); return bitmap; } /** * Return bitmap. * * @param file The file. * @return bitmap */ public static Bitmap getBitmap(final File file) { if (file == null) return null; return BitmapFactory.decodeFile(file.getAbsolutePath()); } /** * Return bitmap. * * @param file The file. * @param maxWidth The maximum width. * @param maxHeight The maximum height. * @return bitmap */ public static Bitmap getBitmap(final File file, final int maxWidth, final int maxHeight) { if (file == null) return null; BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeFile(file.getAbsolutePath(), options); options.inSampleSize = calculateInSampleSize(options, maxWidth, maxHeight); options.inJustDecodeBounds = false; return BitmapFactory.decodeFile(file.getAbsolutePath(), options); } /** * Return bitmap. * * @param filePath The path of file. * @return bitmap */ public static Bitmap getBitmap(final String filePath) { if (UtilsBridge.isSpace(filePath)) return null; return BitmapFactory.decodeFile(filePath); } /** * Return bitmap. * * @param filePath The path of file. * @param maxWidth The maximum width. * @param maxHeight The maximum height. * @return bitmap */ public static Bitmap getBitmap(final String filePath, final int maxWidth, final int maxHeight) { if (UtilsBridge.isSpace(filePath)) return null; BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeFile(filePath, options); options.inSampleSize = calculateInSampleSize(options, maxWidth, maxHeight); options.inJustDecodeBounds = false; return BitmapFactory.decodeFile(filePath, options); } /** * Return bitmap. * * @param is The input stream. * @return bitmap */ public static Bitmap getBitmap(final InputStream is) { if (is == null) return null; return BitmapFactory.decodeStream(is); } /** * Return bitmap. * * @param is The input stream. * @param maxWidth The maximum width. * @param maxHeight The maximum height. * @return bitmap */ public static Bitmap getBitmap(final InputStream is, final int maxWidth, final int maxHeight) { if (is == null) return null; BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeStream(is, null, options); options.inSampleSize = calculateInSampleSize(options, maxWidth, maxHeight); options.inJustDecodeBounds = false; return BitmapFactory.decodeStream(is, null, options); } /** * Return bitmap. * * @param data The data. * @param offset The offset. * @return bitmap */ public static Bitmap getBitmap(final byte[] data, final int offset) { if (data.length == 0) return null; return BitmapFactory.decodeByteArray(data, offset, data.length); } /** * Return bitmap. * * @param data The data. * @param offset The offset. * @param maxWidth The maximum width. * @param maxHeight The maximum height. * @return bitmap */ public static Bitmap getBitmap(final byte[] data, final int offset, final int maxWidth, final int maxHeight) { if (data.length == 0) return null; BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeByteArray(data, offset, data.length, options); options.inSampleSize = calculateInSampleSize(options, maxWidth, maxHeight); options.inJustDecodeBounds = false; return BitmapFactory.decodeByteArray(data, offset, data.length, options); } /** * Return bitmap. * * @param resId The resource id. * @return bitmap */ public static Bitmap getBitmap(@DrawableRes final int resId) { Drawable drawable = ContextCompat.getDrawable(Utils.getApp(), resId); if (drawable == null) { return null; } Canvas canvas = new Canvas(); Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); canvas.setBitmap(bitmap); drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight()); drawable.draw(canvas); return bitmap; } /** * Return bitmap. * * @param resId The resource id. * @param maxWidth The maximum width. * @param maxHeight The maximum height. * @return bitmap */ public static Bitmap getBitmap(@DrawableRes final int resId, final int maxWidth, final int maxHeight) { BitmapFactory.Options options = new BitmapFactory.Options(); final Resources resources = Utils.getApp().getResources(); options.inJustDecodeBounds = true; BitmapFactory.decodeResource(resources, resId, options); options.inSampleSize = calculateInSampleSize(options, maxWidth, maxHeight); options.inJustDecodeBounds = false; return BitmapFactory.decodeResource(resources, resId, options); } /** * Return bitmap. * * @param fd The file descriptor. * @return bitmap */ public static Bitmap getBitmap(final FileDescriptor fd) { if (fd == null) return null; return BitmapFactory.decodeFileDescriptor(fd); } /** * Return bitmap. * * @param fd The file descriptor * @param maxWidth The maximum width. * @param maxHeight The maximum height. * @return bitmap */ public static Bitmap getBitmap(final FileDescriptor fd, final int maxWidth, final int maxHeight) { if (fd == null) return null; BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeFileDescriptor(fd, null, options); options.inSampleSize = calculateInSampleSize(options, maxWidth, maxHeight); options.inJustDecodeBounds = false; return BitmapFactory.decodeFileDescriptor(fd, null, options); } /** * Return the bitmap with the specified color. * * @param src The source of bitmap. * @param color The color. * @return the bitmap with the specified color */ public static Bitmap drawColor(@NonNull final Bitmap src, @ColorInt final int color) { return drawColor(src, color, false); } /** * Return the bitmap with the specified color. * * @param src The source of bitmap. * @param color The color. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the bitmap with the specified color */ public static Bitmap drawColor(@NonNull final Bitmap src, @ColorInt final int color, final boolean recycle) { if (isEmptyBitmap(src)) return null; Bitmap ret = recycle ? src : src.copy(src.getConfig(), true); Canvas canvas = new Canvas(ret); canvas.drawColor(color, PorterDuff.Mode.DARKEN); return ret; } /** * Return the scaled bitmap. * * @param src The source of bitmap. * @param newWidth The new width. * @param newHeight The new height. * @return the scaled bitmap */ public static Bitmap scale(final Bitmap src, final int newWidth, final int newHeight) { return scale(src, newWidth, newHeight, false); } /** * Return the scaled bitmap. * * @param src The source of bitmap. * @param newWidth The new width. * @param newHeight The new height. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the scaled bitmap */ public static Bitmap scale(final Bitmap src, final int newWidth, final int newHeight, final boolean recycle) { if (isEmptyBitmap(src)) return null; Bitmap ret = Bitmap.createScaledBitmap(src, newWidth, newHeight, true); if (recycle && !src.isRecycled() && ret != src) src.recycle(); return ret; } /** * Return the scaled bitmap * * @param src The source of bitmap. * @param scaleWidth The scale of width. * @param scaleHeight The scale of height. * @return the scaled bitmap */ public static Bitmap scale(final Bitmap src, final float scaleWidth, final float scaleHeight) { return scale(src, scaleWidth, scaleHeight, false); } /** * Return the scaled bitmap * * @param src The source of bitmap. * @param scaleWidth The scale of width. * @param scaleHeight The scale of height. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the scaled bitmap */ public static Bitmap scale(final Bitmap src, final float scaleWidth, final float scaleHeight, final boolean recycle) { if (isEmptyBitmap(src)) return null; Matrix matrix = new Matrix(); matrix.setScale(scaleWidth, scaleHeight); Bitmap ret = Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), matrix, true); if (recycle && !src.isRecycled() && ret != src) src.recycle(); return ret; } /** * Return the clipped bitmap. * * @param src The source of bitmap. * @param x The x coordinate of the first pixel. * @param y The y coordinate of the first pixel. * @param width The width. * @param height The height. * @return the clipped bitmap */ public static Bitmap clip(final Bitmap src, final int x, final int y, final int width, final int height) { return clip(src, x, y, width, height, false); } /** * Return the clipped bitmap. * * @param src The source of bitmap. * @param x The x coordinate of the first pixel. * @param y The y coordinate of the first pixel. * @param width The width. * @param height The height. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the clipped bitmap */ public static Bitmap clip(final Bitmap src, final int x, final int y, final int width, final int height, final boolean recycle) { if (isEmptyBitmap(src)) return null; Bitmap ret = Bitmap.createBitmap(src, x, y, width, height); if (recycle && !src.isRecycled() && ret != src) src.recycle(); return ret; } /** * Return the skewed bitmap. * * @param src The source of bitmap. * @param kx The skew factor of x. * @param ky The skew factor of y. * @return the skewed bitmap */ public static Bitmap skew(final Bitmap src, final float kx, final float ky) { return skew(src, kx, ky, 0, 0, false); } /** * Return the skewed bitmap. * * @param src The source of bitmap. * @param kx The skew factor of x. * @param ky The skew factor of y. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the skewed bitmap */ public static Bitmap skew(final Bitmap src, final float kx, final float ky, final boolean recycle) { return skew(src, kx, ky, 0, 0, recycle); } /** * Return the skewed bitmap. * * @param src The source of bitmap. * @param kx The skew factor of x. * @param ky The skew factor of y. * @param px The x coordinate of the pivot point. * @param py The y coordinate of the pivot point. * @return the skewed bitmap */ public static Bitmap skew(final Bitmap src, final float kx, final float ky, final float px, final float py) { return skew(src, kx, ky, px, py, false); } /** * Return the skewed bitmap. * * @param src The source of bitmap. * @param kx The skew factor of x. * @param ky The skew factor of y. * @param px The x coordinate of the pivot point. * @param py The y coordinate of the pivot point. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the skewed bitmap */ public static Bitmap skew(final Bitmap src, final float kx, final float ky, final float px, final float py, final boolean recycle) { if (isEmptyBitmap(src)) return null; Matrix matrix = new Matrix(); matrix.setSkew(kx, ky, px, py); Bitmap ret = Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), matrix, true); if (recycle && !src.isRecycled() && ret != src) src.recycle(); return ret; } /** * Return the rotated bitmap. * * @param src The source of bitmap. * @param degrees The number of degrees. * @param px The x coordinate of the pivot point. * @param py The y coordinate of the pivot point. * @return the rotated bitmap */ public static Bitmap rotate(final Bitmap src, final int degrees, final float px, final float py) { return rotate(src, degrees, px, py, false); } /** * Return the rotated bitmap. * * @param src The source of bitmap. * @param degrees The number of degrees. * @param px The x coordinate of the pivot point. * @param py The y coordinate of the pivot point. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the rotated bitmap */ public static Bitmap rotate(final Bitmap src, final int degrees, final float px, final float py, final boolean recycle) { if (isEmptyBitmap(src)) return null; if (degrees == 0) return src; Matrix matrix = new Matrix(); matrix.setRotate(degrees, px, py); Bitmap ret = Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), matrix, true); if (recycle && !src.isRecycled() && ret != src) src.recycle(); return ret; } /** * Return the rotated degree. * * @param filePath The path of file. * @return the rotated degree */ public static int getRotateDegree(final String filePath) { try { ExifInterface exifInterface = new ExifInterface(filePath); int orientation = exifInterface.getAttributeInt( ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL ); switch (orientation) { case ExifInterface.ORIENTATION_ROTATE_90: return 90; case ExifInterface.ORIENTATION_ROTATE_180: return 180; case ExifInterface.ORIENTATION_ROTATE_270: return 270; default: return 0; } } catch (IOException e) { e.printStackTrace(); return -1; } } /** * Return the round bitmap. * * @param src The source of bitmap. * @return the round bitmap */ public static Bitmap toRound(final Bitmap src) { return toRound(src, 0, 0, false); } /** * Return the round bitmap. * * @param src The source of bitmap. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the round bitmap */ public static Bitmap toRound(final Bitmap src, final boolean recycle) { return toRound(src, 0, 0, recycle); } /** * Return the round bitmap. * * @param src The source of bitmap. * @param borderSize The size of border. * @param borderColor The color of border. * @return the round bitmap */ public static Bitmap toRound(final Bitmap src, @IntRange(from = 0) int borderSize, @ColorInt int borderColor) { return toRound(src, borderSize, borderColor, false); } /** * Return the round bitmap. * * @param src The source of bitmap. * @param recycle True to recycle the source of bitmap, false otherwise. * @param borderSize The size of border. * @param borderColor The color of border. * @return the round bitmap */ public static Bitmap toRound(final Bitmap src, @IntRange(from = 0) int borderSize, @ColorInt int borderColor, final boolean recycle) { if (isEmptyBitmap(src)) return null; int width = src.getWidth(); int height = src.getHeight(); int size = Math.min(width, height); Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG); Bitmap ret = Bitmap.createBitmap(width, height, src.getConfig()); float center = size / 2f; RectF rectF = new RectF(0, 0, width, height); rectF.inset((width - size) / 2f, (height - size) / 2f); Matrix matrix = new Matrix(); matrix.setTranslate(rectF.left, rectF.top); if (width != height) { matrix.preScale((float) size / width, (float) size / height); } BitmapShader shader = new BitmapShader(src, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP); shader.setLocalMatrix(matrix); paint.setShader(shader); Canvas canvas = new Canvas(ret); canvas.drawRoundRect(rectF, center, center, paint); if (borderSize > 0) { paint.setShader(null); paint.setColor(borderColor); paint.setStyle(Paint.Style.STROKE); paint.setStrokeWidth(borderSize); float radius = center - borderSize / 2f; canvas.drawCircle(width / 2f, height / 2f, radius, paint); } if (recycle && !src.isRecycled() && ret != src) src.recycle(); return ret; } /** * Return the round corner bitmap. * * @param src The source of bitmap. * @param radius The radius of corner. * @return the round corner bitmap */ public static Bitmap toRoundCorner(final Bitmap src, final float radius) { return toRoundCorner(src, radius, 0, 0, false); } /** * Return the round corner bitmap. * * @param src The source of bitmap. * @param radius The radius of corner. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the round corner bitmap */ public static Bitmap toRoundCorner(final Bitmap src, final float radius, final boolean recycle) { return toRoundCorner(src, radius, 0, 0, recycle); } /** * Return the round corner bitmap. * * @param src The source of bitmap. * @param radius The radius of corner. * @param borderSize The size of border. * @param borderColor The color of border. * @return the round corner bitmap */ public static Bitmap toRoundCorner(final Bitmap src, final float radius, @FloatRange(from = 0) float borderSize, @ColorInt int borderColor) { return toRoundCorner(src, radius, borderSize, borderColor, false); } /** * Return the round corner bitmap. * * @param src The source of bitmap. * @param radii Array of 8 values, 4 pairs of [X,Y] radii * @param borderSize The size of border. * @param borderColor The color of border. * @return the round corner bitmap */ public static Bitmap toRoundCorner(final Bitmap src, final float[] radii, @FloatRange(from = 0) float borderSize, @ColorInt int borderColor) { return toRoundCorner(src, radii, borderSize, borderColor, false); } /** * Return the round corner bitmap. * * @param src The source of bitmap. * @param radius The radius of corner. * @param borderSize The size of border. * @param borderColor The color of border. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the round corner bitmap */ public static Bitmap toRoundCorner(final Bitmap src, final float radius, @FloatRange(from = 0) float borderSize, @ColorInt int borderColor, final boolean recycle) { float[] radii = {radius, radius, radius, radius, radius, radius, radius, radius}; return toRoundCorner(src, radii, borderSize, borderColor, recycle); } /** * Return the round corner bitmap. * * @param src The source of bitmap. * @param radii Array of 8 values, 4 pairs of [X,Y] radii * @param borderSize The size of border. * @param borderColor The color of border. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the round corner bitmap */ public static Bitmap toRoundCorner(final Bitmap src, final float[] radii, @FloatRange(from = 0) float borderSize, @ColorInt int borderColor, final boolean recycle) { if (isEmptyBitmap(src)) return null; int width = src.getWidth(); int height = src.getHeight(); Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG); Bitmap ret = Bitmap.createBitmap(width, height, src.getConfig()); BitmapShader shader = new BitmapShader(src, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP); paint.setShader(shader); Canvas canvas = new Canvas(ret); RectF rectF = new RectF(0, 0, width, height); float halfBorderSize = borderSize / 2f; rectF.inset(halfBorderSize, halfBorderSize); Path path = new Path(); path.addRoundRect(rectF, radii, Path.Direction.CW); canvas.drawPath(path, paint); if (borderSize > 0) { paint.setShader(null); paint.setColor(borderColor); paint.setStyle(Paint.Style.STROKE); paint.setStrokeWidth(borderSize); paint.setStrokeCap(Paint.Cap.ROUND); canvas.drawPath(path, paint); } if (recycle && !src.isRecycled() && ret != src) src.recycle(); return ret; } /** * Return the round corner bitmap with border. * * @param src The source of bitmap. * @param borderSize The size of border. * @param color The color of border. * @param cornerRadius The radius of corner. * @return the round corner bitmap with border */ public static Bitmap addCornerBorder(final Bitmap src, @FloatRange(from = 1) final float borderSize, @ColorInt final int color, @FloatRange(from = 0) final float cornerRadius) { return addBorder(src, borderSize, color, false, cornerRadius, false); } /** * Return the round corner bitmap with border. * * @param src The source of bitmap. * @param borderSize The size of border. * @param color The color of border. * @param radii Array of 8 values, 4 pairs of [X,Y] radii * @return the round corner bitmap with border */ public static Bitmap addCornerBorder(final Bitmap src, @FloatRange(from = 1) final float borderSize, @ColorInt final int color, final float[] radii) { return addBorder(src, borderSize, color, false, radii, false); } /** * Return the round corner bitmap with border. * * @param src The source of bitmap. * @param borderSize The size of border. * @param color The color of border. * @param radii Array of 8 values, 4 pairs of [X,Y] radii * @param recycle True to recycle the source of bitmap, false otherwise. * @return the round corner bitmap with border */ public static Bitmap addCornerBorder(final Bitmap src, @FloatRange(from = 1) final float borderSize, @ColorInt final int color, final float[] radii, final boolean recycle) { return addBorder(src, borderSize, color, false, radii, recycle); } /** * Return the round corner bitmap with border. * * @param src The source of bitmap. * @param borderSize The size of border. * @param color The color of border. * @param cornerRadius The radius of corner. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the round corner bitmap with border */ public static Bitmap addCornerBorder(final Bitmap src, @FloatRange(from = 1) final float borderSize, @ColorInt final int color, @FloatRange(from = 0) final float cornerRadius, final boolean recycle) { return addBorder(src, borderSize, color, false, cornerRadius, recycle); } /** * Return the round bitmap with border. * * @param src The source of bitmap. * @param borderSize The size of border. * @param color The color of border. * @return the round bitmap with border */ public static Bitmap addCircleBorder(final Bitmap src, @FloatRange(from = 1) final float borderSize, @ColorInt final int color) { return addBorder(src, borderSize, color, true, 0, false); } /** * Return the round bitmap with border. * * @param src The source of bitmap. * @param borderSize The size of border. * @param color The color of border. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the round bitmap with border */ public static Bitmap addCircleBorder(final Bitmap src, @FloatRange(from = 1) final float borderSize, @ColorInt final int color, final boolean recycle) { return addBorder(src, borderSize, color, true, 0, recycle); } /** * Return the bitmap with border. * * @param src The source of bitmap. * @param borderSize The size of border. * @param color The color of border. * @param isCircle True to draw circle, false to draw corner. * @param cornerRadius The radius of corner. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the bitmap with border */ private static Bitmap addBorder(final Bitmap src, @FloatRange(from = 1) final float borderSize, @ColorInt final int color, final boolean isCircle, final float cornerRadius, final boolean recycle) { float[] radii = {cornerRadius, cornerRadius, cornerRadius, cornerRadius, cornerRadius, cornerRadius, cornerRadius, cornerRadius}; return addBorder(src, borderSize, color, isCircle, radii, recycle); } /** * Return the bitmap with border. * * @param src The source of bitmap. * @param borderSize The size of border. * @param color The color of border. * @param isCircle True to draw circle, false to draw corner. * @param radii Array of 8 values, 4 pairs of [X,Y] radii * @param recycle True to recycle the source of bitmap, false otherwise. * @return the bitmap with border */ private static Bitmap addBorder(final Bitmap src, @FloatRange(from = 1) final float borderSize, @ColorInt final int color, final boolean isCircle, final float[] radii, final boolean recycle) { if (isEmptyBitmap(src)) return null; Bitmap ret = recycle ? src : src.copy(src.getConfig(), true); int width = ret.getWidth(); int height = ret.getHeight(); Canvas canvas = new Canvas(ret); Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG); paint.setColor(color); paint.setStyle(Paint.Style.STROKE); paint.setStrokeWidth(borderSize); if (isCircle) { float radius = Math.min(width, height) / 2f - borderSize / 2f; canvas.drawCircle(width / 2f, height / 2f, radius, paint); } else { RectF rectF = new RectF(0, 0, width, height); float halfBorderSize = borderSize / 2f; rectF.inset(halfBorderSize, halfBorderSize); Path path = new Path(); path.addRoundRect(rectF, radii, Path.Direction.CW); canvas.drawPath(path, paint); } return ret; } /** * Return the bitmap with reflection. * * @param src The source of bitmap. * @param reflectionHeight The height of reflection. * @return the bitmap with reflection */ public static Bitmap addReflection(final Bitmap src, final int reflectionHeight) { return addReflection(src, reflectionHeight, false); } /** * Return the bitmap with reflection. * * @param src The source of bitmap. * @param reflectionHeight The height of reflection. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the bitmap with reflection */ public static Bitmap addReflection(final Bitmap src, final int reflectionHeight, final boolean recycle) { if (isEmptyBitmap(src)) return null; final int REFLECTION_GAP = 0; int srcWidth = src.getWidth(); int srcHeight = src.getHeight(); Matrix matrix = new Matrix(); matrix.preScale(1, -1); Bitmap reflectionBitmap = Bitmap.createBitmap(src, 0, srcHeight - reflectionHeight, srcWidth, reflectionHeight, matrix, false); Bitmap ret = Bitmap.createBitmap(srcWidth, srcHeight + reflectionHeight, src.getConfig()); Canvas canvas = new Canvas(ret); canvas.drawBitmap(src, 0, 0, null); canvas.drawBitmap(reflectionBitmap, 0, srcHeight + REFLECTION_GAP, null); Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG); LinearGradient shader = new LinearGradient( 0, srcHeight, 0, ret.getHeight() + REFLECTION_GAP, 0x70FFFFFF, 0x00FFFFFF, Shader.TileMode.MIRROR); paint.setShader(shader); paint.setXfermode(new PorterDuffXfermode(android.graphics.PorterDuff.Mode.DST_IN)); canvas.drawRect(0, srcHeight + REFLECTION_GAP, srcWidth, ret.getHeight(), paint); if (!reflectionBitmap.isRecycled()) reflectionBitmap.recycle(); if (recycle && !src.isRecycled() && ret != src) src.recycle(); return ret; } /** * Return the bitmap with text watermarking. * * @param src The source of bitmap. * @param content The content of text. * @param textSize The size of text. * @param color The color of text. * @param x The x coordinate of the first pixel. * @param y The y coordinate of the first pixel. * @return the bitmap with text watermarking */ public static Bitmap addTextWatermark(final Bitmap src, final String content, final int textSize, @ColorInt final int color, final float x, final float y) { return addTextWatermark(src, content, textSize, color, x, y, false); } /** * Return the bitmap with text watermarking. * * @param src The source of bitmap. * @param content The content of text. * @param textSize The size of text. * @param color The color of text. * @param x The x coordinate of the first pixel. * @param y The y coordinate of the first pixel. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the bitmap with text watermarking */ public static Bitmap addTextWatermark(final Bitmap src, final String content, final float textSize, @ColorInt final int color, final float x, final float y, final 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.setColor(color); paint.setTextSize(textSize); Rect bounds = new Rect(); paint.getTextBounds(content, 0, content.length(), bounds); canvas.drawText(content, x, y + textSize, paint); if (recycle && !src.isRecycled() && ret != src) src.recycle(); return ret; } /** * Return the bitmap with image watermarking. * * @param src The source of bitmap. * @param watermark The image watermarking. * @param x The x coordinate of the first pixel. * @param y The y coordinate of the first pixel. * @param alpha The alpha of watermark. * @return the bitmap with image watermarking */ public static Bitmap addImageWatermark(final Bitmap src, final Bitmap watermark, final int x, final int y, final int alpha) { return addImageWatermark(src, watermark, x, y, alpha, false); } /** * Return the bitmap with image watermarking. * * @param src The source of bitmap. * @param watermark The image watermarking. * @param x The x coordinate of the first pixel. * @param y The y coordinate of the first pixel. * @param alpha The alpha of watermark. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the bitmap with image watermarking */ public static Bitmap addImageWatermark(final Bitmap src, final Bitmap watermark, final int x, final int y, final int alpha, final boolean recycle) { if (isEmptyBitmap(src)) return null; Bitmap ret = src.copy(src.getConfig(), true); if (!isEmptyBitmap(watermark)) { Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG); Canvas canvas = new Canvas(ret); paint.setAlpha(alpha); canvas.drawBitmap(watermark, x, y, paint); } if (recycle && !src.isRecycled() && ret != src) src.recycle(); return ret; } /** * Return the alpha bitmap. * * @param src The source of bitmap. * @return the alpha bitmap */ public static Bitmap toAlpha(final Bitmap src) { return toAlpha(src, false); } /** * Return the alpha bitmap. * * @param src The source of bitmap. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the alpha bitmap */ public static Bitmap toAlpha(final Bitmap src, final Boolean recycle) { if (isEmptyBitmap(src)) return null; Bitmap ret = src.extractAlpha(); if (recycle && !src.isRecycled() && ret != src) src.recycle(); return ret; } /** * Return the gray bitmap. * * @param src The source of bitmap. * @return the gray bitmap */ public static Bitmap toGray(final Bitmap src) { return toGray(src, false); } /** * Return the gray bitmap. * * @param src The source of bitmap. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the gray bitmap */ public static Bitmap toGray(final Bitmap src, final boolean recycle) { if (isEmptyBitmap(src)) return null; Bitmap ret = Bitmap.createBitmap(src.getWidth(), src.getHeight(), src.getConfig()); Canvas canvas = new Canvas(ret); Paint paint = new Paint(); ColorMatrix colorMatrix = new ColorMatrix(); colorMatrix.setSaturation(0); ColorMatrixColorFilter colorMatrixColorFilter = new ColorMatrixColorFilter(colorMatrix); paint.setColorFilter(colorMatrixColorFilter); canvas.drawBitmap(src, 0, 0, paint); if (recycle && !src.isRecycled() && ret != src) src.recycle(); return ret; } /** * Return the blur bitmap fast. *

zoom out, blur, zoom in

* * @param src The source of bitmap. * @param scale The scale(0...1). * @param radius The radius(0...25). * @return the blur bitmap */ public static Bitmap fastBlur(final Bitmap src, @FloatRange( from = 0, to = 1, fromInclusive = false ) final float scale, @FloatRange( from = 0, to = 25, fromInclusive = false ) final float radius) { return fastBlur(src, scale, radius, false, false); } /** * Return the blur bitmap fast. *

zoom out, blur, zoom in

* * @param src The source of bitmap. * @param scale The scale(0...1). * @param radius The radius(0...25). * @return the blur bitmap */ public static Bitmap fastBlur(final Bitmap src, @FloatRange( from = 0, to = 1, fromInclusive = false ) final float scale, @FloatRange( from = 0, to = 25, fromInclusive = false ) final float radius, final boolean recycle) { return fastBlur(src, scale, radius, recycle, false); } /** * Return the blur bitmap fast. *

zoom out, blur, zoom in

* * @param src The source of bitmap. * @param scale The scale(0...1). * @param radius The radius(0...25). * @param recycle True to recycle the source of bitmap, false otherwise. * @param isReturnScale True to return the scale blur bitmap, false otherwise. * @return the blur bitmap */ public static Bitmap fastBlur(final Bitmap src, @FloatRange( from = 0, to = 1, fromInclusive = false ) final float scale, @FloatRange( from = 0, to = 25, fromInclusive = false ) final float radius, final boolean recycle, final boolean isReturnScale) { if (isEmptyBitmap(src)) return null; int width = src.getWidth(); int height = src.getHeight(); Matrix matrix = new Matrix(); matrix.setScale(scale, scale); Bitmap scaleBitmap = Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), matrix, true); Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG | Paint.ANTI_ALIAS_FLAG); Canvas canvas = new Canvas(); PorterDuffColorFilter filter = new PorterDuffColorFilter( Color.TRANSPARENT, PorterDuff.Mode.SRC_ATOP); paint.setColorFilter(filter); canvas.scale(scale, scale); canvas.drawBitmap(scaleBitmap, 0, 0, paint); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { scaleBitmap = renderScriptBlur(scaleBitmap, radius, recycle); } else { scaleBitmap = stackBlur(scaleBitmap, (int) radius, recycle); } if (scale == 1 || isReturnScale) { if (recycle && !src.isRecycled() && scaleBitmap != src) src.recycle(); return scaleBitmap; } Bitmap ret = Bitmap.createScaledBitmap(scaleBitmap, width, height, true); if (!scaleBitmap.isRecycled()) scaleBitmap.recycle(); if (recycle && !src.isRecycled() && ret != src) src.recycle(); return ret; } /** * Return the blur bitmap using render script. * * @param src The source of bitmap. * @param radius The radius(0...25). * @return the blur bitmap */ @RequiresApi(Build.VERSION_CODES.JELLY_BEAN_MR1) public static Bitmap renderScriptBlur(final Bitmap src, @FloatRange( from = 0, to = 25, fromInclusive = false ) final float radius) { return renderScriptBlur(src, radius, false); } /** * Return the blur bitmap using render script. * * @param src The source of bitmap. * @param radius The radius(0...25). * @param recycle True to recycle the source of bitmap, false otherwise. * @return the blur bitmap */ @RequiresApi(Build.VERSION_CODES.JELLY_BEAN_MR1) public static Bitmap renderScriptBlur(final Bitmap src, @FloatRange( from = 0, to = 25, fromInclusive = false ) final float radius, final boolean recycle) { RenderScript rs = null; Bitmap ret = recycle ? src : src.copy(src.getConfig(), true); try { rs = RenderScript.create(Utils.getApp()); rs.setMessageHandler(new RenderScript.RSMessageHandler()); Allocation input = Allocation.createFromBitmap(rs, ret, Allocation.MipmapControl.MIPMAP_NONE, Allocation.USAGE_SCRIPT); Allocation output = Allocation.createTyped(rs, input.getType()); ScriptIntrinsicBlur blurScript = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs)); blurScript.setInput(input); blurScript.setRadius(radius); blurScript.forEach(output); output.copyTo(ret); } finally { if (rs != null) { rs.destroy(); } } return ret; } /** * Return the blur bitmap using stack. * * @param src The source of bitmap. * @param radius The radius(0...25). * @return the blur bitmap */ public static Bitmap stackBlur(final Bitmap src, final int radius) { return stackBlur(src, radius, false); } /** * Return the blur bitmap using stack. * * @param src The source of bitmap. * @param radius The radius(0...25). * @param recycle True to recycle the source of bitmap, false otherwise. * @return the blur bitmap */ public static Bitmap stackBlur(final Bitmap src, int radius, final boolean recycle) { Bitmap ret = recycle ? src : src.copy(src.getConfig(), true); if (radius < 1) { radius = 1; } int w = ret.getWidth(); int h = ret.getHeight(); int[] pix = new int[w * h]; ret.getPixels(pix, 0, w, 0, 0, w, h); int wm = w - 1; int hm = h - 1; int wh = w * h; int div = radius + radius + 1; int r[] = new int[wh]; int g[] = new int[wh]; int b[] = new int[wh]; int rsum, gsum, bsum, x, y, i, p, yp, yi, yw; int vmin[] = new int[Math.max(w, h)]; int divsum = (div + 1) >> 1; divsum *= divsum; int dv[] = new int[256 * divsum]; for (i = 0; i < 256 * divsum; i++) { dv[i] = (i / divsum); } yw = yi = 0; int[][] stack = new int[div][3]; int stackpointer; int stackstart; int[] sir; int rbs; int r1 = radius + 1; int routsum, goutsum, boutsum; int rinsum, ginsum, binsum; for (y = 0; y < h; y++) { rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0; for (i = -radius; i <= radius; i++) { p = pix[yi + Math.min(wm, Math.max(i, 0))]; sir = stack[i + radius]; sir[0] = (p & 0xff0000) >> 16; sir[1] = (p & 0x00ff00) >> 8; sir[2] = (p & 0x0000ff); rbs = r1 - Math.abs(i); rsum += sir[0] * rbs; gsum += sir[1] * rbs; bsum += sir[2] * rbs; if (i > 0) { rinsum += sir[0]; ginsum += sir[1]; binsum += sir[2]; } else { routsum += sir[0]; goutsum += sir[1]; boutsum += sir[2]; } } stackpointer = radius; for (x = 0; x < w; x++) { r[yi] = dv[rsum]; g[yi] = dv[gsum]; b[yi] = dv[bsum]; rsum -= routsum; gsum -= goutsum; bsum -= boutsum; stackstart = stackpointer - radius + div; sir = stack[stackstart % div]; routsum -= sir[0]; goutsum -= sir[1]; boutsum -= sir[2]; if (y == 0) { vmin[x] = Math.min(x + radius + 1, wm); } p = pix[yw + vmin[x]]; sir[0] = (p & 0xff0000) >> 16; sir[1] = (p & 0x00ff00) >> 8; sir[2] = (p & 0x0000ff); rinsum += sir[0]; ginsum += sir[1]; binsum += sir[2]; rsum += rinsum; gsum += ginsum; bsum += binsum; stackpointer = (stackpointer + 1) % div; sir = stack[(stackpointer) % div]; routsum += sir[0]; goutsum += sir[1]; boutsum += sir[2]; rinsum -= sir[0]; ginsum -= sir[1]; binsum -= sir[2]; yi++; } yw += w; } for (x = 0; x < w; x++) { rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0; yp = -radius * w; for (i = -radius; i <= radius; i++) { yi = Math.max(0, yp) + x; sir = stack[i + radius]; sir[0] = r[yi]; sir[1] = g[yi]; sir[2] = b[yi]; rbs = r1 - Math.abs(i); rsum += r[yi] * rbs; gsum += g[yi] * rbs; bsum += b[yi] * rbs; if (i > 0) { rinsum += sir[0]; ginsum += sir[1]; binsum += sir[2]; } else { routsum += sir[0]; goutsum += sir[1]; boutsum += sir[2]; } if (i < hm) { yp += w; } } yi = x; stackpointer = radius; for (y = 0; y < h; y++) { // Preserve alpha channel: ( 0xff000000 & pix[yi] ) pix[yi] = (0xff000000 & pix[yi]) | (dv[rsum] << 16) | (dv[gsum] << 8) | dv[bsum]; rsum -= routsum; gsum -= goutsum; bsum -= boutsum; stackstart = stackpointer - radius + div; sir = stack[stackstart % div]; routsum -= sir[0]; goutsum -= sir[1]; boutsum -= sir[2]; if (x == 0) { vmin[y] = Math.min(y + r1, hm) * w; } p = x + vmin[y]; sir[0] = r[p]; sir[1] = g[p]; sir[2] = b[p]; rinsum += sir[0]; ginsum += sir[1]; binsum += sir[2]; rsum += rinsum; gsum += ginsum; bsum += binsum; stackpointer = (stackpointer + 1) % div; sir = stack[stackpointer]; routsum += sir[0]; goutsum += sir[1]; boutsum += sir[2]; rinsum -= sir[0]; ginsum -= sir[1]; binsum -= sir[2]; yi += w; } } ret.setPixels(pix, 0, w, 0, 0, w, h); return ret; } /** * Save the bitmap. * * @param src The source of bitmap. * @param filePath The path of file. * @param format The format of the image. * @return {@code true}: success
{@code false}: fail */ public static boolean save(final Bitmap src, final String filePath, final CompressFormat format) { return save(src, filePath, format, 100, false); } /** * Save the bitmap. * * @param src The source of bitmap. * @param file The file. * @param format The format of the image. * @return {@code true}: success
{@code false}: fail */ public static boolean save(final Bitmap src, final File file, final CompressFormat format) { return save(src, file, format, 100, false); } /** * Save the bitmap. * * @param src The source of bitmap. * @param filePath The path of file. * @param format The format of the image. * @param recycle True to recycle the source of bitmap, false otherwise. * @return {@code true}: success
{@code false}: fail */ public static boolean save(final Bitmap src, final String filePath, final CompressFormat format, final boolean recycle) { return save(src, filePath, format, 100, recycle); } /** * Save the bitmap. * * @param src The source of bitmap. * @param file The file. * @param format The format of the image. * @param recycle True to recycle the source of bitmap, false otherwise. * @return {@code true}: success
{@code false}: fail */ public static boolean save(final Bitmap src, final File file, final CompressFormat format, final boolean recycle) { return save(src, file, format, 100, recycle); } /** * Save the bitmap. * * @param src The source of bitmap. * @param filePath The path of file. * @param format The format of the image. * @param quality Hint to the compressor, 0-100. 0 meaning compress for * small size, 100 meaning compress for max quality. Some * formats, like PNG which is lossless, will ignore the * quality setting * @return {@code true}: success
{@code false}: fail */ public static boolean save(final Bitmap src, final String filePath, final CompressFormat format, final int quality) { return save(src, UtilsBridge.getFileByPath(filePath), format, quality, false); } /** * Save the bitmap. * * @param src The source of bitmap. * @param file The file. * @param format The format of the image. * @return {@code true}: success
{@code false}: fail */ public static boolean save(final Bitmap src, final File file, final CompressFormat format, final int quality) { return save(src, file, format, quality, false); } /** * Save the bitmap. * * @param src The source of bitmap. * @param filePath The path of file. * @param format The format of the image. * @param quality Hint to the compressor, 0-100. 0 meaning compress for * small size, 100 meaning compress for max quality. Some * formats, like PNG which is lossless, will ignore the * quality setting * @param recycle True to recycle the source of bitmap, false otherwise. * @return {@code true}: success
{@code false}: fail */ public static boolean save(final Bitmap src, final String filePath, final CompressFormat format, final int quality, final boolean recycle) { return save(src, UtilsBridge.getFileByPath(filePath), format, quality, recycle); } /** * Save the bitmap. * * @param src The source of bitmap. * @param file The file. * @param format The format of the image. * @param quality Hint to the compressor, 0-100. 0 meaning compress for * small size, 100 meaning compress for max quality. Some * formats, like PNG which is lossless, will ignore the * quality setting * @param recycle True to recycle the source of bitmap, false otherwise. * @return {@code true}: success
{@code false}: fail */ public static boolean save(final Bitmap src, final File file, final CompressFormat format, final int quality, final boolean recycle) { if (isEmptyBitmap(src)) { Log.e("ImageUtils", "bitmap is empty."); return false; } if (src.isRecycled()) { Log.e("ImageUtils", "bitmap is recycled."); return false; } if (!UtilsBridge.createFileByDeleteOldFile(file)) { Log.e("ImageUtils", "create or delete file <" + file + "> failed."); return false; } OutputStream os = null; boolean ret = false; try { os = new BufferedOutputStream(new FileOutputStream(file)); ret = src.compress(format, quality, os); if (recycle && !src.isRecycled()) src.recycle(); } catch (IOException e) { e.printStackTrace(); } finally { try { if (os != null) { os.close(); } } catch (IOException e) { e.printStackTrace(); } } return ret; } /** * @param src The source of bitmap. * @param format The format of the image. * @return the file if save success, otherwise return null. */ @Nullable public static File save2Album(final Bitmap src, final CompressFormat format) { return save2Album(src, "", format, 100, false); } /** * @param src The source of bitmap. * @param format The format of the image. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the file if save success, otherwise return null. */ @Nullable public static File save2Album(final Bitmap src, final CompressFormat format, final boolean recycle) { return save2Album(src, "", format, 100, recycle); } /** * @param src The source of bitmap. * @param format The format of the image. * @param quality Hint to the compressor, 0-100. 0 meaning compress for * small size, 100 meaning compress for max quality. Some * formats, like PNG which is lossless, will ignore the * quality setting * @return the file if save success, otherwise return null. */ @Nullable public static File save2Album(final Bitmap src, final CompressFormat format, final int quality) { return save2Album(src, "", format, quality, false); } /** * @param src The source of bitmap. * @param format The format of the image. * @param quality Hint to the compressor, 0-100. 0 meaning compress for * small size, 100 meaning compress for max quality. Some * formats, like PNG which is lossless, will ignore the * quality setting * @param recycle True to recycle the source of bitmap, false otherwise. * @return the file if save success, otherwise return null. */ @Nullable public static File save2Album(final Bitmap src, final CompressFormat format, final int quality, final boolean recycle) { return save2Album(src, "", format, quality, recycle); } /** * @param src The source of bitmap. * @param dirName The name of directory. * @param format The format of the image. * @return the file if save success, otherwise return null. */ @Nullable public static File save2Album(final Bitmap src, final String dirName, final CompressFormat format) { return save2Album(src, dirName, format, 100, false); } /** * @param src The source of bitmap. * @param dirName The name of directory. * @param format The format of the image. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the file if save success, otherwise return null. */ @Nullable public static File save2Album(final Bitmap src, final String dirName, final CompressFormat format, final boolean recycle) { return save2Album(src, dirName, format, 100, recycle); } /** * @param src The source of bitmap. * @param dirName The name of directory. * @param format The format of the image. * @param quality Hint to the compressor, 0-100. 0 meaning compress for * small size, 100 meaning compress for max quality. Some * formats, like PNG which is lossless, will ignore the * quality setting * @return the file if save success, otherwise return null. */ @Nullable public static File save2Album(final Bitmap src, final String dirName, final CompressFormat format, final int quality) { return save2Album(src, dirName, format, quality, false); } /** * @param src The source of bitmap. * @param dirName The name of directory. * @param format The format of the image. * @param quality Hint to the compressor, 0-100. 0 meaning compress for * small size, 100 meaning compress for max quality. Some * formats, like PNG which is lossless, will ignore the * quality setting * @param recycle True to recycle the source of bitmap, false otherwise. * @return the file if save success, otherwise return null. */ @Nullable public static File save2Album(final Bitmap src, final String dirName, final CompressFormat format, final int quality, final boolean recycle) { String safeDirName = TextUtils.isEmpty(dirName) ? Utils.getApp().getPackageName() : dirName; String suffix = CompressFormat.JPEG.equals(format) ? "JPG" : format.name(); String fileName = System.currentTimeMillis() + "_" + quality + "." + suffix; if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) { if (!UtilsBridge.isGranted(Manifest.permission.WRITE_EXTERNAL_STORAGE)) { Log.e("ImageUtils", "save to album need storage permission"); return null; } File picDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM); File destFile = new File(picDir, safeDirName + "/" + fileName); if (!save(src, destFile, format, quality, recycle)) { return null; } UtilsBridge.notifySystemToScan(destFile); return destFile; } else { ContentValues contentValues = new ContentValues(); contentValues.put(MediaStore.Images.Media.DISPLAY_NAME, fileName); contentValues.put(MediaStore.Images.Media.MIME_TYPE, "image/*"); Uri contentUri; if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) { contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI; } else { contentUri = MediaStore.Images.Media.INTERNAL_CONTENT_URI; } contentValues.put(MediaStore.Images.Media.RELATIVE_PATH, Environment.DIRECTORY_DCIM + "/" + safeDirName); contentValues.put(MediaStore.MediaColumns.IS_PENDING, 1); Uri uri = Utils.getApp().getContentResolver().insert(contentUri, contentValues); if (uri == null) { return null; } OutputStream os = null; try { os = Utils.getApp().getContentResolver().openOutputStream(uri); src.compress(format, quality, os); contentValues.clear(); contentValues.put(MediaStore.MediaColumns.IS_PENDING, 0); Utils.getApp().getContentResolver().update(uri, contentValues, null, null); return UtilsBridge.uri2File(uri); } catch (Exception e) { Utils.getApp().getContentResolver().delete(uri, null, null); e.printStackTrace(); return null; } finally { try { if (os != null) { os.close(); } } catch (IOException e) { e.printStackTrace(); } } } } /** * Return whether it is a image according to the file name. * * @param file The file. * @return {@code true}: yes
{@code false}: no */ public static boolean isImage(final File file) { if (file == null || !file.exists()) { return false; } return isImage(file.getPath()); } /** * Return whether it is a image according to the file name. * * @param filePath The path of file. * @return {@code true}: yes
{@code false}: no */ public static boolean isImage(final String filePath) { try { BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeFile(filePath, options); return options.outWidth > 0 && options.outHeight > 0; } catch (Exception e) { return false; } } /** * Return the type of image. * * @param filePath The path of file. * @return the type of image */ public static ImageType getImageType(final String filePath) { return getImageType(UtilsBridge.getFileByPath(filePath)); } /** * Return the type of image. * * @param file The file. * @return the type of image */ public static ImageType getImageType(final File file) { if (file == null) return null; InputStream is = null; try { is = new FileInputStream(file); ImageType type = getImageType(is); if (type != null) { return type; } } catch (IOException e) { e.printStackTrace(); } finally { try { if (is != null) { is.close(); } } catch (IOException e) { e.printStackTrace(); } } return null; } private static ImageType getImageType(final InputStream is) { if (is == null) return null; try { byte[] bytes = new byte[12]; return is.read(bytes) != -1 ? getImageType(bytes) : null; } catch (IOException e) { e.printStackTrace(); return null; } } private static ImageType getImageType(final byte[] bytes) { String type = UtilsBridge.bytes2HexString(bytes).toUpperCase(); if (type.contains("FFD8FF")) { return ImageType.TYPE_JPG; } else if (type.contains("89504E47")) { return ImageType.TYPE_PNG; } else if (type.contains("47494638")) { return ImageType.TYPE_GIF; } else if (type.contains("49492A00") || type.contains("4D4D002A")) { return ImageType.TYPE_TIFF; } else if (type.contains("424D")) { return ImageType.TYPE_BMP; } else if (type.startsWith("52494646") && type.endsWith("57454250")) {//524946461c57000057454250-12个字节 return ImageType.TYPE_WEBP; } else if (type.contains("00000100") || type.contains("00000200")) { return ImageType.TYPE_ICO; } else { return ImageType.TYPE_UNKNOWN; } } private static boolean isJPEG(final byte[] b) { return b.length >= 2 && (b[0] == (byte) 0xFF) && (b[1] == (byte) 0xD8); } private static boolean isGIF(final byte[] b) { return b.length >= 6 && b[0] == 'G' && b[1] == 'I' && b[2] == 'F' && b[3] == '8' && (b[4] == '7' || b[4] == '9') && b[5] == 'a'; } private static boolean isPNG(final byte[] b) { return b.length >= 8 && (b[0] == (byte) 137 && b[1] == (byte) 80 && b[2] == (byte) 78 && b[3] == (byte) 71 && b[4] == (byte) 13 && b[5] == (byte) 10 && b[6] == (byte) 26 && b[7] == (byte) 10); } private static boolean isBMP(final byte[] b) { return b.length >= 2 && (b[0] == 0x42) && (b[1] == 0x4d); } private static boolean isEmptyBitmap(final Bitmap src) { return src == null || src.getWidth() == 0 || src.getHeight() == 0; } /////////////////////////////////////////////////////////////////////////// // about compress /////////////////////////////////////////////////////////////////////////// /** * Return the compressed bitmap using scale. * * @param src The source of bitmap. * @param newWidth The new width. * @param newHeight The new height. * @return the compressed bitmap */ public static Bitmap compressByScale(final Bitmap src, final int newWidth, final int newHeight) { return scale(src, newWidth, newHeight, false); } /** * Return the compressed bitmap using scale. * * @param src The source of bitmap. * @param newWidth The new width. * @param newHeight The new height. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the compressed bitmap */ public static Bitmap compressByScale(final Bitmap src, final int newWidth, final int newHeight, final boolean recycle) { return scale(src, newWidth, newHeight, recycle); } /** * Return the compressed bitmap using scale. * * @param src The source of bitmap. * @param scaleWidth The scale of width. * @param scaleHeight The scale of height. * @return the compressed bitmap */ public static Bitmap compressByScale(final Bitmap src, final float scaleWidth, final float scaleHeight) { return scale(src, scaleWidth, scaleHeight, false); } /** * Return the compressed bitmap using scale. * * @param src The source of bitmap. * @param scaleWidth The scale of width. * @param scaleHeight The scale of height. * @param recycle True to recycle the source of bitmap, false otherwise. * @return he compressed bitmap */ public static Bitmap compressByScale(final Bitmap src, final float scaleWidth, final float scaleHeight, final boolean recycle) { return scale(src, scaleWidth, scaleHeight, recycle); } /** * Return the compressed data using quality. * * @param src The source of bitmap. * @param quality The quality. * @return the compressed data using quality */ public static byte[] compressByQuality(final Bitmap src, @IntRange(from = 0, to = 100) final int quality) { return compressByQuality(src, quality, false); } /** * Return the compressed data using quality. * * @param src The source of bitmap. * @param quality The quality. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the compressed data using quality */ public static byte[] compressByQuality(final Bitmap src, @IntRange(from = 0, to = 100) final int quality, final boolean recycle) { if (isEmptyBitmap(src)) return null; ByteArrayOutputStream baos = new ByteArrayOutputStream(); src.compress(Bitmap.CompressFormat.JPEG, quality, baos); byte[] bytes = baos.toByteArray(); if (recycle && !src.isRecycled()) src.recycle(); return bytes; } /** * Return the compressed data using quality. * * @param src The source of bitmap. * @param maxByteSize The maximum size of byte. * @return the compressed data using quality */ public static byte[] compressByQuality(final Bitmap src, final long maxByteSize) { return compressByQuality(src, maxByteSize, false); } /** * Return the compressed data using quality. * * @param src The source of bitmap. * @param maxByteSize The maximum size of byte. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the compressed data using quality */ public static byte[] compressByQuality(final Bitmap src, final long maxByteSize, final boolean recycle) { if (isEmptyBitmap(src) || maxByteSize <= 0) return new byte[0]; ByteArrayOutputStream baos = new ByteArrayOutputStream(); src.compress(CompressFormat.JPEG, 100, baos); byte[] bytes; if (baos.size() <= maxByteSize) { bytes = baos.toByteArray(); } else { baos.reset(); src.compress(CompressFormat.JPEG, 0, baos); if (baos.size() >= maxByteSize) { bytes = baos.toByteArray(); } else { // find the best quality using binary search int st = 0; int end = 100; int mid = 0; while (st < end) { mid = (st + end) / 2; baos.reset(); src.compress(CompressFormat.JPEG, mid, baos); int len = baos.size(); if (len == maxByteSize) { break; } else if (len > maxByteSize) { end = mid - 1; } else { st = mid + 1; } } if (end == mid - 1) { baos.reset(); src.compress(CompressFormat.JPEG, st, baos); } bytes = baos.toByteArray(); } } if (recycle && !src.isRecycled()) src.recycle(); return bytes; } /** * Return the compressed bitmap using sample size. * * @param src The source of bitmap. * @param sampleSize The sample size. * @return the compressed bitmap */ public static Bitmap compressBySampleSize(final Bitmap src, final int sampleSize) { return compressBySampleSize(src, sampleSize, false); } /** * Return the compressed bitmap using sample size. * * @param src The source of bitmap. * @param sampleSize The sample size. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the compressed bitmap */ public static Bitmap compressBySampleSize(final Bitmap src, final int sampleSize, final boolean recycle) { if (isEmptyBitmap(src)) return null; BitmapFactory.Options options = new BitmapFactory.Options(); options.inSampleSize = sampleSize; ByteArrayOutputStream baos = new ByteArrayOutputStream(); src.compress(Bitmap.CompressFormat.JPEG, 100, baos); byte[] bytes = baos.toByteArray(); if (recycle && !src.isRecycled()) src.recycle(); return BitmapFactory.decodeByteArray(bytes, 0, bytes.length, options); } /** * Return the compressed bitmap using sample size. * * @param src The source of bitmap. * @param maxWidth The maximum width. * @param maxHeight The maximum height. * @return the compressed bitmap */ public static Bitmap compressBySampleSize(final Bitmap src, final int maxWidth, final int maxHeight) { return compressBySampleSize(src, maxWidth, maxHeight, false); } /** * Return the compressed bitmap using sample size. * * @param src The source of bitmap. * @param maxWidth The maximum width. * @param maxHeight The maximum height. * @param recycle True to recycle the source of bitmap, false otherwise. * @return the compressed bitmap */ public static Bitmap compressBySampleSize(final Bitmap src, final int maxWidth, final int maxHeight, final boolean recycle) { if (isEmptyBitmap(src)) return null; BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; ByteArrayOutputStream baos = new ByteArrayOutputStream(); src.compress(Bitmap.CompressFormat.JPEG, 100, baos); byte[] bytes = baos.toByteArray(); BitmapFactory.decodeByteArray(bytes, 0, bytes.length, options); options.inSampleSize = calculateInSampleSize(options, maxWidth, maxHeight); options.inJustDecodeBounds = false; if (recycle && !src.isRecycled()) src.recycle(); return BitmapFactory.decodeByteArray(bytes, 0, bytes.length, options); } /** * Return the size of bitmap. * * @param filePath The path of file. * @return the size of bitmap */ public static int[] getSize(String filePath) { return getSize(UtilsBridge.getFileByPath(filePath)); } /** * Return the size of bitmap. * * @param file The file. * @return the size of bitmap */ public static int[] getSize(File file) { if (file == null) return new int[]{0, 0}; BitmapFactory.Options opts = new BitmapFactory.Options(); opts.inJustDecodeBounds = true; BitmapFactory.decodeFile(file.getAbsolutePath(), opts); return new int[]{opts.outWidth, opts.outHeight}; } /** * Return the sample size. * * @param options The options. * @param maxWidth The maximum width. * @param maxHeight The maximum height. * @return the sample size */ public static int calculateInSampleSize(final BitmapFactory.Options options, final int maxWidth, final int maxHeight) { int height = options.outHeight; int width = options.outWidth; int inSampleSize = 1; while (height > maxHeight || width > maxWidth) { height >>= 1; width >>= 1; inSampleSize <<= 1; } return inSampleSize; } public enum ImageType { TYPE_JPG("jpg"), TYPE_PNG("png"), TYPE_GIF("gif"), TYPE_TIFF("tiff"), TYPE_BMP("bmp"), TYPE_WEBP("webp"), TYPE_ICO("ico"), TYPE_UNKNOWN("unknown"); String value; ImageType(String value) { this.value = value; } public String getValue() { return value; } } }