ImageFilterContrast.java revision 6900cad45d240c9a54b92991538b6a33652e766c
1a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard/* 2a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * Copyright (C) 2012 The Android Open Source Project 3a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * 4a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * Licensed under the Apache License, Version 2.0 (the "License"); 5a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * you may not use this file except in compliance with the License. 6a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * You may obtain a copy of the License at 7a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * 8a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * http://www.apache.org/licenses/LICENSE-2.0 9a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * 10a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * Unless required by applicable law or agreed to in writing, software 11a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * distributed under the License is distributed on an "AS IS" BASIS, 12a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * See the License for the specific language governing permissions and 14a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard * limitations under the License. 15a9f280f938b5fd5891c5cfe0999f8f1d4945d7a1nicolasroard */ 16d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hoford 17d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hofordpackage com.android.gallery3d.filtershow.filters; 18d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hoford 198cc3b55d615b349b4fcdff0eeeefe6907d4950ffnicolasroardimport com.android.gallery3d.R; 208cc3b55d615b349b4fcdff0eeeefe6907d4950ffnicolasroard 21d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hofordimport android.graphics.Bitmap; 22d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hoford 2371f04cbaedbb89e313e0b86b531640db2d3f6016nicolasroardpublic class ImageFilterContrast extends SimpleImageFilter { 24d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hoford 25bf93da72576b28f4e9dfb27f8f3fef702c8ae82dnicolasroard public ImageFilterContrast() { 26bf93da72576b28f4e9dfb27f8f3fef702c8ae82dnicolasroard mName = "Contrast"; 27d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hoford } 28d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hoford 2971f04cbaedbb89e313e0b86b531640db2d3f6016nicolasroard public FilterRepresentation getDefaultRepresentation() { 3071f04cbaedbb89e313e0b86b531640db2d3f6016nicolasroard FilterRepresentation representation = super.getDefaultRepresentation(); 3171f04cbaedbb89e313e0b86b531640db2d3f6016nicolasroard representation.setName("Contrast"); 3271f04cbaedbb89e313e0b86b531640db2d3f6016nicolasroard representation.setFilterClass(ImageFilterContrast.class); 336900cad45d240c9a54b92991538b6a33652e766cnicolasroard representation.setTextId(R.string.contrast); 346900cad45d240c9a54b92991538b6a33652e766cnicolasroard representation.setButtonId(R.id.contrastButton); 3571f04cbaedbb89e313e0b86b531640db2d3f6016nicolasroard return representation; 3671f04cbaedbb89e313e0b86b531640db2d3f6016nicolasroard } 3771f04cbaedbb89e313e0b86b531640db2d3f6016nicolasroard 38d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hoford native protected void nativeApplyFilter(Bitmap bitmap, int w, int h, float strength); 39d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hoford 4081eb9976f967d9b3faa1749a8ab29d1743cf347dnicolasroard @Override 4181eb9976f967d9b3faa1749a8ab29d1743cf347dnicolasroard public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) { 4271f04cbaedbb89e313e0b86b531640db2d3f6016nicolasroard if (getParameters() == null) { 4371f04cbaedbb89e313e0b86b531640db2d3f6016nicolasroard return bitmap; 4471f04cbaedbb89e313e0b86b531640db2d3f6016nicolasroard } 45d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hoford int w = bitmap.getWidth(); 46d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hoford int h = bitmap.getHeight(); 4771f04cbaedbb89e313e0b86b531640db2d3f6016nicolasroard float value = getParameters().getValue(); 48d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hoford nativeApplyFilter(bitmap, w, h, value); 4981eb9976f967d9b3faa1749a8ab29d1743cf347dnicolasroard return bitmap; 50d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hoford } 51d42f6c69c5980110c16cd679f914c4e4e7caa29dJohn Hoford} 52