Android图像处理.zip

package com.asiainfo.imageprocess.utils; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.ColorMatrix; import android.graphics.ColorMatrixColorFilter; import android.graphics.Paint; /** * 作者:小木箱 邮箱:yangzy3@asiainfo.com 创建时间:2017年02月14日19点33分 描述: 图像处理工具类 */ public class ImageHelper { /*** * @param hue 色调 * @param saturation 饱和度 * @param lum 透明度 * @return bmp */ public static Bitmap handleImageEffect(Bitmap bm, float hue, float saturation, float lum) { Bitmap bmp = Bitmap.createBitmap(bm.getWidth(), bm.getHeight(), Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(bmp); Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG); ColorMatrix hueMatrix = new ColorMatrix(); hueMatrix.setRotate(0, hue); hueMatrix.setRotate(1, hue); hueMatrix.setRotate(2, hue); ColorMatrix saturationMatrix = new ColorMatrix(); saturationMatrix.setSaturation(saturation); ColorMatrix lumMatrix = new ColorMatrix(); lumMatrix.setScale(lum, lum, lum, 1); ColorMatrix imageMatrix = new ColorMatrix(); imageMatrix.postConcat(hueMatrix); imageMatrix.postConcat(saturationMatrix); imageMatrix.postConcat(lumMatrix); paint.setColorFilter(new ColorMatrixColorFilter(imageMatrix)); canvas.drawBitmap(bm, 0, 0, paint); return bmp; } /*** * 底片效果 */ public static Bitmap handlerImageNegative(Bitmap bm) { int width = bm.getWidth(); int height = bm.getHeight(); int arraySize = width * height; int color; int r, g, b, a; Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); int[] oldPX = new int[arraySize]; int[] newPX = new int[arraySize]; bm.getPixels(oldPX, 0, width, 0, 0, width, height); for (int i = 0; i < arraySize; i++) { color = oldPX[i]; r = Color.red(color); g = Color.green(color); b = Color.blue(color); a = Color.alpha(color); r = 255 - r; g = 255 - g; b = 255 - b; if (r > 255) { r = 255; } else if (r < 0) { r = 0; } if (g > 255) { g = 255; } else if (g < 0) { g = 0; } if (b > 255) { b = 255; } else if (b < 0) { b = 0; } newPX[i] = Color.argb(a, r, g, b); } bitmap.setPixels(newPX, 0, width, 0, 0, width, height); return bitmap; } /*** * 怀旧效果 */ public static Bitmap handlerImagePixelsOldPhoto(Bitmap bm) { int width = bm.getWidth(); int height = bm.getHeight(); int arraySize = width * height; int color = 0; int r, g, b, a, r1, g1, b1; Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); int[] oldPX = new int[arraySize]; int[] newPX = new int[arraySize]; bm.getPixels(oldPX, 0, width, 0, 0, width, height); for (int i = 0; i < arraySize; i++) { color = oldPX[i]; r = Color.red(color); g = Color.green(color); b = Color.blue(color); a = Color.alpha(color); r1 = (int) (0.393 * r + 0.769 * g + 0.189 * b); g1 = (int) (0.349 * r + 0.686 * g + 0.168 * b); b1 = (int) (0.272 * r + 0.534 * g + 0.131 * b); if (r1 > 255) { r1 = 255; } if (g1 > 255) { g1 = 255; } if (b1 > 255) { b1 = 255; } newPX[i] = Color.argb(a, r1, g1, b1); } bitmap.setPixels(newPX, 0, width, 0, 0, width, height); return bitmap; } /*** * 浮雕效果 */ public static Bitmap handlerImagePixelsRelief(Bitmap bm) { int width = bm.getWidth(); int height = bm.getHeight(); int arraySize = width * height; int color = 0, colorBefore = 0; int r, g, b, a, r1, g1, b1; Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); int[] oldPX = new int[arraySize]; int[] newPX = new int[arraySize]; bm.getPixels(oldPX, 0, width, 0, 0, width, height); for (int i = 1; i < arraySize; i++) { colorBefore = oldPX[i - 1]; r = Color.red(colorBefore); g = Color.green(colorBefore); b = Color.blue(colorBefore); a = Color.alpha(colorBefore); color = oldPX[i]; r1 = Color.red(color); g1 = Color.green(color); b1 = Color.blue(color); r = (r - r1 + 127); g = (g - g1 + 127); b = (b - b1 + 127); if (r > 255) { r = 255; } if (g > 255) { g = 255; } if (b > 255) { b = 255; } newPX[i] = Color.argb(a, r, g, b); } bitmap.setPixels(newPX, 0, width, 0, 0, width, height); return bitmap; } }