Create Image with reflection

1. /**
2. * This code is courtesy of Neil Davies at http://www.inter-fuser.com
3. * @ Param context the current context
4. * @ Param originalimage the original bitmap image used to create the reflection
5. * @ Return the bitmap with a reflection
6. */
7. Public static bitmap createreflectedimage (context, bitmap originalimage ){
8. // The gap we want between the reflection and the original image
9. Final int reflectiongap = 4;
11. Int width = originalimage. getwidth ();
12. Int Height = originalimage. getheight ();
15. // This will not scale but will flip on the Y axis
16. Matrix matrix = new matrix ();
17. Matrix. prescale (1,-1 );
19. // Create a bitmap with the flip matrix applied to it.
20. // We only want the bottom half of the image
21. Bitmap reflectionimage = bitmap. createbitmap (originalimage, 0, height/2, width, height/2, matrix, false );
24. // Create a new bitmap with same width but taller to fit reflection
25. Bitmap bitmapwithreflection = bitmap. createbitmap (width
26. , (Height + height/2), config. argb_8888 );
28. // Create a new canvas with the bitmap that's big enough
29. // The image plus gap plus reflection
30. Canvas canvas = new canvas (bitmapwithreflection );
31. // Draw in the original image
32. Canvas. drawbitmap (originalimage, 0, 0, null );
33. // Draw in the gap
34. Paint defaultpaint = new paint ();
35. Canvas. drawrect (0, height, width, height + reflectiongap, defapaint paint );
36. // Draw in the reflection
37. Canvas. drawbitmap (reflectionimage, 0, height + reflectiongap, null );
39. // Create a shader that is a linear gradient that covers the reflection
40. Paint paint = new paint ();
41. Lineargradient shader = new lineargradient (0, originalimage. getheight (), 0,
42. Bitmapwithreflection. getheight () + reflectiongap, 0x70ffffff, 0x00ffffff,
43. Tilemode. Clamp );
44. // Set the paint to use this shader (linear gradient)
45. Paint. setshader (shader );
46. // Set the transfer mode to be Porter Duff and destination in
47. Paint. setxfermode (New porterduxfermode (mode. dst_in ));
48. // Draw a rectangle using the paint with our linear gradient
49. Canvas. drawrect (0, height, width,
50. Bitmapwithreflection. getheight () + reflectiongap, paint );
52. Return bitmapwithreflection;