nicolasroard | 93dfe7a | 2012-10-08 21:04:48 -0700 | [diff] [blame^] | 1 | |
| 2 | package com.android.gallery3d.filtershow.filters; |
| 3 | |
| 4 | import android.graphics.Bitmap; |
| 5 | import android.graphics.Canvas; |
| 6 | import android.graphics.Color; |
| 7 | import android.graphics.Paint; |
| 8 | import android.graphics.Path; |
| 9 | import android.graphics.RectF; |
| 10 | |
| 11 | public class ImageFilterParametricBorder extends ImageFilter { |
| 12 | private int mBorderColor = Color.WHITE; |
| 13 | private int mBorderSize = 10; |
| 14 | private int mBorderCornerRadius = 10; |
| 15 | |
| 16 | public ImageFilterParametricBorder() { |
| 17 | mName = "Border"; |
| 18 | } |
| 19 | |
| 20 | public ImageFilterParametricBorder(int color, int size, int radius) { |
| 21 | setBorder(color, size, radius); |
| 22 | } |
| 23 | |
| 24 | @Override |
| 25 | public ImageFilter clone() throws CloneNotSupportedException { |
| 26 | ImageFilterParametricBorder filter = (ImageFilterParametricBorder) super.clone(); |
| 27 | filter.setBorder(mBorderColor, mBorderSize, mBorderCornerRadius); |
| 28 | return filter; |
| 29 | } |
| 30 | |
| 31 | @Override |
| 32 | public boolean same(ImageFilter filter) { |
| 33 | boolean isBorderFilter = super.same(filter); |
| 34 | if (!isBorderFilter) { |
| 35 | return false; |
| 36 | } |
| 37 | ImageFilterParametricBorder borderFilter = (ImageFilterParametricBorder) filter; |
| 38 | if (borderFilter.mBorderColor != mBorderColor) { |
| 39 | return false; |
| 40 | } |
| 41 | if (borderFilter.mBorderSize != mBorderSize) { |
| 42 | return false; |
| 43 | } |
| 44 | if (borderFilter.mBorderCornerRadius != mBorderCornerRadius) { |
| 45 | return false; |
| 46 | } |
| 47 | return true; |
| 48 | } |
| 49 | |
| 50 | public void setBorder(int color, int size, int radius) { |
| 51 | mBorderColor = color; |
| 52 | mBorderSize = size; |
| 53 | mBorderCornerRadius = radius; |
| 54 | } |
| 55 | |
| 56 | @Override |
| 57 | public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) { |
| 58 | Canvas canvas = new Canvas(bitmap); |
| 59 | Path border = new Path(); |
| 60 | border.moveTo(0, 0); |
| 61 | int w = bitmap.getWidth(); |
| 62 | int h = bitmap.getHeight(); |
| 63 | float bs = mBorderSize * scaleFactor; |
| 64 | float r = mBorderCornerRadius * scaleFactor; |
| 65 | border.lineTo(0, h); |
| 66 | border.lineTo(w, h); |
| 67 | border.lineTo(w, 0); |
| 68 | border.lineTo(0, 0); |
| 69 | border.addRoundRect(new RectF(bs, bs, w - bs, h - bs), |
| 70 | r, r, Path.Direction.CW); |
| 71 | |
| 72 | Paint paint = new Paint(); |
| 73 | paint.setAntiAlias(true); |
| 74 | paint.setColor(mBorderColor); |
| 75 | canvas.drawPath(border, paint); |
| 76 | return bitmap; |
| 77 | } |
| 78 | |
| 79 | } |