Android: Free Croping of Image -
i want free style of croping on image...
image can gallery or can camera...is there solution regarding this?
load image gallery or camera on view (using canvas draw image)
public class someview extends view implements ontouchlistener { private paint paint; public static list<point> points; int dist = 2; boolean flgpathdraw = true; point mfirstpoint = null; boolean bfirstpoint = false; point mlastpoint = null; bitmap bitmap = bitmapfactory.decoderesource(getresources(), r.drawable.gallery_12); context mcontext; public someview(context c) { super(c); mcontext = c; setfocusable(true); setfocusableintouchmode(true); paint = new paint(paint.anti_alias_flag); paint.setstyle(paint.style.stroke); paint.setpatheffect(new dashpatheffect(new float[] { 10, 20 }, 0)); paint.setstrokewidth(5); paint.setcolor(color.white); this.setontouchlistener(this); points = new arraylist<point>(); bfirstpoint = false; } public someview(context context, attributeset attrs) { super(context, attrs); mcontext = context; setfocusable(true); setfocusableintouchmode(true); paint = new paint(paint.anti_alias_flag); paint.setstyle(paint.style.stroke); paint.setstrokewidth(2); paint.setcolor(color.white); this.setontouchlistener(this); points = new arraylist<point>(); bfirstpoint = false; } public void ondraw(canvas canvas) { canvas.drawbitmap(bitmap, 0, 0, null); path path = new path(); boolean first = true; (int = 0; < points.size(); += 2) { point point = points.get(i); if (first) { first = false; path.moveto(point.x, point.y); } else if (i < points.size() - 1) { point next = points.get(i + 1); path.quadto(point.x, point.y, next.x, next.y); } else { mlastpoint = points.get(i); path.lineto(point.x, point.y); } } canvas.drawpath(path, paint); } public boolean ontouch(view view, motionevent event) { // if(event.getaction() != motionevent.action_down) // return super.ontouchevent(event); point point = new point(); point.x = (int) event.getx(); point.y = (int) event.gety(); if (flgpathdraw) { if (bfirstpoint) { if (comparepoint(mfirstpoint, point)) { // points.add(point); points.add(mfirstpoint); flgpathdraw = false; showcropdialog(); } else { points.add(point); } } else { points.add(point); } if (!(bfirstpoint)) { mfirstpoint = point; bfirstpoint = true; } } invalidate(); log.e("hi ==>", "size: " + point.x + " " + point.y); if (event.getaction() == motionevent.action_up) { log.d("action up*******~~~~~~~>>>>", "called"); mlastpoint = point; if (flgpathdraw) { if (points.size() > 12) { if (!comparepoint(mfirstpoint, mlastpoint)) { flgpathdraw = false; points.add(mfirstpoint); showcropdialog(); } } } } return true; } private boolean comparepoint(point first, point current) { int left_range_x = (int) (current.x - 3); int left_range_y = (int) (current.y - 3); int right_range_x = (int) (current.x + 3); int right_range_y = (int) (current.y + 3); if ((left_range_x < first.x && first.x < right_range_x) && (left_range_y < first.y && first.y < right_range_y)) { if (points.size() < 10) { return false; } else { return true; } } else { return false; } } public void fillinpartofpath() { point point = new point(); point.x = points.get(0).x; point.y = points.get(0).y; points.add(point); invalidate(); } public void resetview() { points.clear(); paint.setcolor(color.white); paint.setstyle(style.stroke); flgpathdraw = true; invalidate(); } private void showcropdialog() { dialoginterface.onclicklistener dialogclicklistener = new dialoginterface.onclicklistener() { @override public void onclick(dialoginterface dialog, int which) { intent intent; switch (which) { case dialoginterface.button_positive: // yes button clicked // bfirstpoint = false; intent = new intent(mcontext, cropactivity.class); intent.putextra("crop", true); mcontext.startactivity(intent); break; case dialoginterface.button_negative: // no button clicked intent = new intent(mcontext, cropactivity.class); intent.putextra("crop", false); mcontext.startactivity(intent); bfirstpoint = false; // resetview(); break; } } }; alertdialog.builder builder = new alertdialog.builder(mcontext); builder.setmessage("do want save crop or non-crop image?") .setpositivebutton("crop", dialogclicklistener) .setnegativebutton("non-crop", dialogclicklistener).show() .setcancelable(false); } }class point {
public float dy; public float dx; float x, y; @override public string tostring() { return x + ", " + y; } }mainactivity call someview draw/load image
public class mainactivity_ extends activity { @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); } @override protected void onresume() { super.onresume(); setcontentview(new someview(mainactivity_.this)); } }cropactivity : load crop image on bitmap.
public class cropactivity extends activity {
imageview compositeimageview; boolean crop; @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.cropview); bundle extras = getintent().getextras(); if (extras != null) { crop = extras.getboolean("crop"); } int widthofscreen = 0; int heightofscreen = 0; displaymetrics dm = new displaymetrics(); try { getwindowmanager().getdefaultdisplay().getmetrics(dm); } catch (exception ex) { } widthofscreen = dm.widthpixels; heightofscreen = dm.heightpixels; compositeimageview = (imageview) findviewbyid(r.id.our_imageview); bitmap bitmap2 = bitmapfactory.decoderesource(getresources(), r.drawable.gallery_12); bitmap resultingimage = bitmap.createbitmap(widthofscreen, heightofscreen, bitmap2.getconfig()); canvas canvas = new canvas(resultingimage); paint paint = new paint(); paint.setantialias(true); path path = new path(); (int = 0; < someview.points.size(); i++) { path.lineto(someview.points.get(i).x, someview.points.get(i).y); } canvas.drawpath(path, paint); if (crop) { paint.setxfermode(new porterduffxfermode(mode.src_in)); } else { paint.setxfermode(new porterduffxfermode(mode.src_out)); } canvas.drawbitmap(bitmap2, 0, 0, paint); compositeimageview.setimagebitmap(resultingimage); } }
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