i'm working on comparing similar images using pixels rbg values in android. i'm following crash @ "pixel_1_final" variable. e; last pixels of image. how last pixel of image.how resolve issue.
01-29 16:23:58.796: e/androidruntime(6211): fatal exception: main 01-29 16:23:58.796: e/androidruntime(6211): process: com.remo.imagecomparation, pid: 6211 01-29 16:23:58.796: e/androidruntime(6211): java.lang.illegalargumentexception: x must < bitmap.width() 01-29 16:23:58.796: e/androidruntime(6211): @ android.graphics.bitmap.checkpixelaccess(bitmap.java:1387) 01-29 16:23:58.796: e/androidruntime(6211): @ android.graphics.bitmap.getpixel(bitmap.java:1339) 01-29 16:23:58.796: e/androidruntime(6211): @ com.remo.imagecomparation.mainactivity$3.onclick(mainactivity.java:109) 01-29 16:23:58.796: e/androidruntime(6211): @ android.view.view.performclick(view.java:4761) 01-29 16:23:58.796: e/androidruntime(6211): @ android.view.view$performclick.run(view.java:19767) 01-29 16:23:58.796: e/androidruntime(6211): @ android.os.handler.handlecallback(handler.java:739) 01-29 16:23:58.796: e/androidruntime(6211): @ android.os.handler.dispatchmessage(handler.java:95) 01-29 16:23:58.796: e/androidruntime(6211): @ android.os.looper.loop(looper.java:135) 01-29 16:23:58.796: e/androidruntime(6211): @ android.app.activitythread.main(activitythread.java:5312) 01-29 16:23:58.796: e/androidruntime(6211): @ java.lang.reflect.method.invoke(native method) 01-29 16:23:58.796: e/androidruntime(6211): @ java.lang.reflect.method.invoke(method.java:372) 01-29 16:23:58.796: e/androidruntime(6211): @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:901) 01-29 16:23:58.796: e/androidruntime(6211): @ com.android.internal.os.zygoteinit.main(zygoteinit.java:696) code
identical_images = (button)findviewbyid(r.id.identical_image); identical_images.setonclicklistener(new onclicklistener() { @override public void onclick(view arg0) { // log.e("compare pixels-------", "-------width------- :"+bmpimg1.getwidth()); // log.e("compare pixels-------", "-------heigth------- :"+bmpimg1.getheight()); image_1_params.setmiddlewidth((int)((bmpimg1.getwidth())/ 2)); image_1_params.setmiddle_width_low((int)(image_1_params.getmiddlewidth() / 2)); image_1_params.setmiddle_width_high(image_1_params.getmiddlewidth() + image_1_params.middle_width_low); image_1_params.setfinalwidth(bmpimg1.getwidth()); // log.e("compare pixels-------width points", "["+initialwidth+","+middle_width_low+","+middlewidth+","+middle_width_high+","+finalwidth+"]"); image_1_params.setmiddleheight((int)((bmpimg1.getheight())/ 2)); image_1_params.setmiddle_height_low((int)(image_1_params.getmiddleheight()/2)); image_1_params.setmiddle_height_high(image_1_params.getmiddleheight() + image_1_params.getmiddle_height_low()); image_1_params.setfinalheight(bmpimg1.getheight()); // log.e("compare pixels-------height points", "["+initialheight+","+middle_height_low+","+middleheight+","+middle_height_high+","+finalheight+"]"); // log.e("compare pixels-------", "-------final width------- :"+bmpimg1.getpixel(bmpimg1.getwidth(),bmpimg1.getheight())); int pixel_1_00 = bmpimg1.getpixel(image_1_params.initialwidth, image_1_params.initialheight); // globalvarsandfunctions.rbg(pixel_1_00); int pixel_1_middle_low = bmpimg1.getpixel(image_1_params.getmiddle_width_low(), image_1_params.getmiddle_height_low()); // globalvarsandfunctions.rbg(pixel_1_middle_low); int pixel_1_middle = bmpimg1.getpixel(image_1_params.getmiddlewidth(), image_1_params.getmiddleheight()); // globalvarsandfunctions.rbg(pixel_1_middle); int pixel_1_middle_high = bmpimg1.getpixel(image_1_params.getmiddle_width_high(), image_1_params.getmiddle_height_high()); // globalvarsandfunctions.rbg(pixel_1_middle_high); int pixel_1_final = bmpimg1.getpixel(image_1_params.getfinalwidth(), image_1_params.getfinalheight()); });
i'm not sure libraries you're using, after searching getfinalwidth(). case need append -1 finalwidth().
alternatively, getwidth() not equal getfinalwidth() in of online libraries, try following.
int imagewidth = math.min(image_1_params.getwidth(), image_1_params.getfinalwidth()); int imageheight = math.min(image_1_params.getheight(), image_1_params.getfinalheight()); int pixel_1_final = bmpimg1.getpixel(imagewidth, imageheight); 
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