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Diffstat (limited to 'src/com/android/gallery3d/filtershow/filters/ImageFilterDownsample.java')
-rw-r--r--src/com/android/gallery3d/filtershow/filters/ImageFilterDownsample.java68
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;
+ }
+}