Android-special image effects Processing

Android-Image Processing Method

Conversion-drawable to bitmap

Zoom

Rounded corner-round corner

Reflection-reflected

Bitmapprcess code:

Package COM. learn. games; </P> <p> Import android. graphics. bitmap; <br/> Import android. graphics. canvas; <br/> Import android. graphics. lineargradient; <br/> Import android. graphics. matrix; <br/> Import android. graphics. paint; <br/> Import android. graphics. pixelformat; <br/> Import android. graphics. porterduxfermode; <br/> Import android. graphics. rect; <br/> Import android. graphics. rectf; <br/> Import android. g Raphics. bitmap. config; <br/> Import android. graphics. porterduff. mode; <br/> Import android. graphics. shader. tilemode; <br/> Import android. graphics. drawable. drawable; </P> <p> public class bitmapprocess {</P> <p> // zoom <br/> Public static bitmap zoombitmap (Bitmap bitmap, int W, int h) {<br/> int width = bitmap. getwidth (); <br/> int Height = bitmap. getheight (); <br/> matrix = new matrix (); </P> <p> float Scalewidth = W/(float) width; <br/> float scaleheight = H/(float) height; <br/> matrix. postscale (scalewidth, scaleheight); </P> <p> bitmap bitmap2 = bitmap. createbitmap (bitmap, 0, 0, width, height, matrix, true); <br/> return bitmap2; <br/>}</P> <p> // drawable to bitmap <br/> Public static bitmap drawable2bitmap (drawable) {<br/> int width = drawable. getintrinsicheight (); <br/> int Height = drawable. g Etintrinsicheight (); </P> <p> Bitmap bitmap = bitmap. createbitmap (width, height, drawable. getopacity () <br/>! = Pixelformat. opaque? Bitmap. config. argb_8888: bitmap. config. rgb_565); </P> <p> canvas = new canvas (Bitmap); <br/> drawable. setbounds (0, 0, width, height); <br/> drawable. draw (canvas); </P> <p> return bitmap; <br/>}</P> <p> // round corner bitmap <br/> Public static bitmap getroundcornerbitmap (Bitmap bitmap, float roundpx) {<br/> int width = bitmap. getwidth (); <br/> int Height = bitmap. getheight (); </P> <p> bitmap bitmap2 = bitmap. createbitmap (width, height, config. argb_8888); <br/> canvas = new canvas (bitmap2); </P> <p> final int color = 0xff0000242; <br/> final paint = new paint (); <br/> final rect = new rect (0, 0, width, height ); <br/> final rectf = new rectf (rect); </P> <p> paint. setcolor (color); <br/> paint. setantialias (true); <br/> canvas. drawargb (0, 0, 0, 0); <br/> canvas. drawroundrect (rectf, roundpx, roundpx, paint); </P> <p> paint. setxfermode (New porterduduxfermode (mode. src_in); <br/> canvas. drawbitmap (bitmap, rect, rect, paint); </P> <p> return bitmap2; <br/>}</P> <p> // reflect bitmap <br/> Public static bitmap createreflectedbitmap (Bitmap bitmap) {<br/> final int reflectedgap = 4; <br/> int width = bitmap. getwidth (); <br/> int Height = bitmap. getheight (); </P> <p> matrix = new matrix (); <br/> matrix. prescale (1,-1); </P> <p> bitmap reflectedimage = bitmap. createbitmap (bitmap, 0, height/2, width, height/2, matrix, false); <br/> bitmap reflectedbitmap = bitmap. createbitmap (width, (height + height/2), config. argb_8888); </P> <p> canvas = new canvas (reflectedbitmap); <br/> canvas. drawbitmap (bitmap, 0, 0, null); <br/> paint defaultpaint = new paint (); <br/> canvas. drawrect (0, height, width, height + reflectedgap, defaultpaint); <br/> canvas. drawbitmap (reflectedimage, 0, height + reflectedgap, null); </P> <p> paint = new paint (); <br/> lineargradient shader = new lineargradient (0, bitmap. getheight (), 0, <br/> reflectedbitmap. getheight () + reflectedgap, 0x70ffffff, 0x00ffffff, tilemode. clamp); <br/> paint. setshader (shader); <br/> paint. setxfermode (New porterduduxfermode (mode. dst_in); <br/> canvas. drawrect (0, height, width, reflectedbitmap. getheight () + reflectedgap, paint); </P> <p> return reflectedbitmap; <br/>}</P> <p >}< br/>

Java code:

Package COM. learn. games; </P> <p> Import android. app. activity; <br/> Import android. graphics. bitmap; <br/> Import android. graphics. drawable. bitmapdrawable; <br/> Import android. graphics. drawable. drawable; <br/> Import android. OS. bundle; <br/> Import android. widget. imageview; </P> <p> public class mybitmapprocessactivity extends activity {<br/> private imageview imgview1; <br/> private imageview imgview2; <br/> private imageview imgview3; <br/> private imageview imgview4; </P> <p>/** called when the activity is first created. */<br/> @ override <br/> Public void oncreate (bundle savedinstancestate) {<br/> super. oncreate (savedinstancestate); <br/> setcontentview (R. layout. main); </P> <p> drawbitmap (); <br/>}</P> <p> private void drawbitmap () {<br/> imgview1 = (imageview) findviewbyid (R. id. imgview1); <br/> imgview2 = (imageview) findviewbyid (R. id. imgview2); <br/> imgview3 = (imageview) findviewbyid (R. id. imgview3); <br/> imgview4 = (imageview) findviewbyid (R. id. imgview4); </P> <p> drawable = This. getwallpaper (); </P> <p> Bitmap bitmap = bitmapprocess. drawable2bitmap (drawable); // drawable to bitmap <br/> bitmap zoombitmap = bitmapprocess. zoombitmap (bitmap, 100,100); // zoom <br/> bitmap roundbitmap = bitmapprocess. getroundcornerbitmap (zoombitmap, 10.0f); // round corner <br/> bitmap reflectedbitmap = bitmapprocess. createreflectedbitmap (zoombitmap); // reflect bitmap </P> <p> // drawable to bitmap <br/> bitmap; <br/> Merge (zoombitmap ); <br/> imgview3.setimagebitmap (roundbitmap); <br/> imgview4.setimagebitmap (reflectedbitmap ); </P> <p> // bitmap to drawable <br/> drawable rounddrawable = new bitmapdrawable (roundbitmap); <br/> drawable reflecteddrawable = new bitmapdrawable (scheme ); <br/> imgview1.setbackgrounddrawable (rounddrawable); <br/> imgview2.setbackgrounddrawable (reflecteddrawable); <br/>}< br/>}

XML:

<? XML version = "1.0" encoding = "UTF-8"?> <Br/> <linearlayout xmlns: Android = "http://schemas.android.com/apk/res/android" <br/> Android: Orientation = "vertical" <br/> Android: layout_width = "fill_parent" <br/> Android: layout_height = "fill_parent" <br/> </P> <p> <imageview Android: id = "@ + ID/imgview1" <br/> Android: layout_width = "wrap_content" <br/> Android: layout_height = "wrap_content"/> </P> <p> <imageview Android: Id = "@ + ID/imgview2" <br/> Android: layout_width = "wrap_content" <br/> Android: layout_height = "wrap_content"/> </P> <p> <imageview Android: id = "@ + ID/imgview3" <br/> Android: layout_width = "wrap_content" <br/> Android: layout_height = "wrap_content"/> </P> <p> <imageview Android: Id = "@ + ID/imgview4" <br/> Android: layout_width = "wrap_content" <br/> Android: layout_height = "wrap_content"/> </P> <p> </linearlayout> <br/>
:

Drawable2bitmap

Zoom

Round Corner

Reflected bitmap