package com.marshalchen.ua.common.commonUtils.uiUtils; import android.graphics.*; import android.view.View; import java.io.*; /** * Some effect of images */ public class ImageUtils { public static final int LEFT = 0; public static final int RIGHT = 1; public static final int TOP = 3; public static final int BOTTOM = 4; /** * Gray Image * * @param bmpOriginal */ 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; } /** * toRoundCorner * * @param bitmap * @param pixels * @return */ public static Bitmap toRoundCorner(Bitmap bitmap, int pixels) { Bitmap output = Bitmap .createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.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(PorterDuff.Mode.SRC_IN)); canvas.drawBitmap(bitmap, rect, rect, paint); return output; } /** * Create watermark picture * * @param srcBitmap * @param watermark * @return */ public static Bitmap createBitmapForWatermark(Bitmap srcBitmap, Bitmap watermark) { if (srcBitmap == null) { return null; } int w = srcBitmap.getWidth(); int h = srcBitmap.getHeight(); int ww = watermark.getWidth(); int wh = watermark.getHeight(); // create the new blank bitmap Bitmap newb = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); Canvas cv = new Canvas(newb); // draw src into cv.drawBitmap(srcBitmap, 0, 0, null); // draw watermark into cv.drawBitmap(watermark, w - ww + 5, h - wh + 5, null); // save all clip cv.save(Canvas.ALL_SAVE_FLAG); // store cv.restore(); return newb; } /** * Picture compose. * * @param direction * @param bitmaps * @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]; 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, Bitmap.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, Bitmap.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, Bitmap.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, Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(newBitmap); canvas.drawBitmap(first, 0, 0, null); canvas.drawBitmap(second, 0, fh, null); } return newBitmap; } /** * Zoom bitmap using Matrix * * @param bitmap * @param width * @param height * @return */ public static Bitmap zoomBitmap(Bitmap bitmap, float width, float height) { int w = bitmap.getWidth(); int h = bitmap.getHeight(); Matrix matrix = new Matrix(); float scaleWidth = ((float) width / w); float scaleHeight = ((float) height / h); matrix.postScale(scaleWidth, scaleHeight); Bitmap newbmp = Bitmap.createBitmap(bitmap, 0, 0, w, h, matrix, true); return newbmp; } /** * Save bitmap to a .png file * * @param bitmap * @param name */ public static void saveBitmapToPNG(Bitmap bitmap, String name) throws FileNotFoundException, IOException { File file = new File(name); FileOutputStream out = new FileOutputStream(file); if (bitmap.compress(Bitmap.CompressFormat.PNG, 100, out)) { out.flush(); out.close(); } } /** * Save bitmap to a .jpeg file * * @param bitmap * @param path */ public static void saveJPGE_After(Bitmap bitmap, String path) throws FileNotFoundException, IOException { File file = new File(path); FileOutputStream out = new FileOutputStream(file); if (bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out)) { out.flush(); out.close(); } } /** * Revert image file to a square with custom size * * @param path * @param width * @return * @throws IOException */ public static Bitmap revertImageSize(String path, int width) throws IOException { return revertImageSize(path, width, width); } /** * Revert image file to a square with width and height equal 1000 * * @param path * @return * @throws IOException */ public static Bitmap revertImageSize(String path) throws IOException { return revertImageSize(path, 1000, 1000); } /** * Revert image file to custom size * * @param path * @param width * @param height * @return * @throws IOException */ public static Bitmap revertImageSize(String path, int width, int height) throws IOException { BufferedInputStream in = new BufferedInputStream(new FileInputStream( new File(path))); BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeStream(in, null, options); in.close(); int i = 0; Bitmap bitmap = null; while (true) { if ((options.outWidth >> i <= width) && (options.outHeight >> i <= height)) { in = new BufferedInputStream( new FileInputStream(new File(path))); options.inSampleSize = (int) Math.pow(2.0D, i); options.inJustDecodeBounds = false; bitmap = BitmapFactory.decodeStream(in, null, options); break; } i += 1; } return bitmap; } /** * Convert a View to Bitmap using view.getDrawingCache() * * @param view * @return */ public static Bitmap convertViewToBitmap(View view) { 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(); Bitmap bitmap = view.getDrawingCache(); return bitmap; } /** * Convert a View to Bitmap using view.draw(new Canvas(bitmap)) * * @param view * @param bitmapWidth * @param bitmapHeight * @return */ public static Bitmap convertViewToBitmapWithCanvas(View view, int bitmapWidth, int bitmapHeight) { Bitmap bitmap = Bitmap.createBitmap(bitmapWidth, bitmapHeight, Bitmap.Config.ARGB_8888); view.draw(new Canvas(bitmap)); return bitmap; } }