diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/filters/ImageFilterBwFilter.java')
-rw-r--r-- | src/com/android/gallery3d/filtershow/filters/ImageFilterBwFilter.java | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterBwFilter.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterBwFilter.java new file mode 100644 index 000000000..50837ca2f --- /dev/null +++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterBwFilter.java @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.gallery3d.filtershow.filters; + +import com.android.gallery3d.R; + +import android.graphics.Bitmap; +import android.graphics.Color; + + +public class ImageFilterBwFilter extends SimpleImageFilter { + private static final String SERIALIZATION_NAME = "BWFILTER"; + + public ImageFilterBwFilter() { + mName = "BW Filter"; + } + + public FilterRepresentation getDefaultRepresentation() { + FilterBasicRepresentation representation = (FilterBasicRepresentation) super.getDefaultRepresentation(); + representation.setName("BW Filter"); + representation.setSerializationName(SERIALIZATION_NAME); + + representation.setFilterClass(ImageFilterBwFilter.class); + representation.setMaximum(180); + representation.setMinimum(-180); + representation.setTextId(R.string.bwfilter); + representation.setSupportsPartialRendering(true); + return representation; + } + + native protected void nativeApplyFilter(Bitmap bitmap, int w, int h, int r, int g, int b); + + @Override + public Bitmap apply(Bitmap bitmap, float scaleFactor, int quality) { + if (getParameters() == null) { + return bitmap; + } + int w = bitmap.getWidth(); + int h = bitmap.getHeight(); + float[] hsv = new float[] { + 180 + getParameters().getValue(), 1, 1 + }; + int rgb = Color.HSVToColor(hsv); + int r = 0xFF & (rgb >> 16); + int g = 0xFF & (rgb >> 8); + int b = 0xFF & (rgb >> 0); + nativeApplyFilter(bitmap, w, h, r, g, b); + return bitmap; + } +} |