diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/filters/ImageFilterDownsample.java')
-rw-r--r-- | src/com/android/gallery3d/filtershow/filters/ImageFilterDownsample.java | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterDownsample.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterDownsample.java new file mode 100644 index 000000000..fa2293ca7 --- /dev/null +++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterDownsample.java @@ -0,0 +1,68 @@ +/* + * 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 android.graphics.Bitmap; + +import com.android.gallery3d.R; + +public class ImageFilterDownsample extends ImageFilter { + + public ImageFilterDownsample() { + mName = "Downsample"; + mMaxParameter = 100; + mMinParameter = 5; + mPreviewParameter = 10; + mDefaultParameter = 50; + mParameter = 50; + } + + @Override + public int getButtonId() { + return R.id.downsampleButton; + } + + @Override + public int getTextId() { + return R.string.downsample; + } + + @Override + public boolean isNil() { + return false; + } + + @Override + public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) { + int w = bitmap.getWidth(); + int h = bitmap.getHeight(); + int p = mParameter; + if (p > 0 && p < 100) { + int newWidth = w * p / 100; + int newHeight = h * p / 100; + if (newWidth <= 0 || newHeight <= 0) { + return bitmap; + } + Bitmap ret = Bitmap.createScaledBitmap(bitmap, newWidth, newHeight, true); + if (ret != bitmap) { + bitmap.recycle(); + } + return ret; + } + return bitmap; + } +} |