add support for configurable slider ranges

bug:7293391
Change-Id: Ie4984ce85387bf4d7a0a38e318eb20f6802ffc96

3 files changed, 33 insertions, 1 deletions

diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilter.java b/src/com/android/gallery3d/filtershow/filters/ImageFilter.java
index 6d0c020a7..36f2b104f 100644
--- a/src/com/android/gallery3d/filtershow/filters/ImageFilter.java
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilter.java
@@ -5,6 +5,9 @@ import android.graphics.Bitmap;
 
 public class ImageFilter implements Cloneable {
 
+    protected int mMaxParameter = 100;
+    protected int mMinParameter = -100;
+    protected int mDefaultParameter = 0;
     protected int mParameter = 0;
     protected String mName = "Original";
     private final String LOGTAG = "ImageFilter";
@@ -29,6 +32,9 @@ public class ImageFilter implements Cloneable {
         filter.setName(getName());
         filter.setParameter(getParameter());
         filter.setFilterType(filterType);
+        filter.mMaxParameter = mMaxParameter;
+        filter.mMinParameter = mMinParameter;
+        filter.mDefaultParameter = mDefaultParameter;
         return filter;
     }
 
@@ -53,6 +59,30 @@ public class ImageFilter implements Cloneable {
         mParameter = value;
     }
 
+    /**
+     * The maximum allowed value (inclusive)
+     * @return maximum value allowed as input to this filter
+     */
+    public int getMaxParameter(){
+        return mMaxParameter;
+    }
+
+    /**
+     * The minimum allowed value (inclusive)
+     * @return minimum value allowed as input to this filter
+     */
+    public int getMinParameter(){
+        return mMinParameter;
+    }
+
+    /**
+     * Returns the default value returned by this filter.
+     * @return default value
+     */
+    public int getDefaultParameter(){
+        return mDefaultParameter;
+    }
+
     public boolean same(ImageFilter filter) {
         if (!filter.getName().equalsIgnoreCase(getName())) {
             return false;
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterFx.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterFx.java
index 7d8f41537..93cde1fe5 100644
--- a/src/com/android/gallery3d/filtershow/filters/ImageFilterFx.java
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterFx.java
@@ -12,7 +12,7 @@ import java.util.Arrays;
 public class ImageFilterFx extends ImageFilter {
     private static final String TAG = "ImageFilterFx";
     Bitmap fxBitmap;
-    public static final String ORIG = "Original";
+
     public ImageFilterFx(Bitmap fxBitmap,String name) {
         setFilterType(TYPE_FX);
         mName = name;
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterHue.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterHue.java
index 6f6f9e875..e5e52ecd0 100644
--- a/src/com/android/gallery3d/filtershow/filters/ImageFilterHue.java
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterHue.java
@@ -9,6 +9,8 @@ public class ImageFilterHue extends ImageFilter {
     public ImageFilterHue() {
         mName = "Hue";
         cmatrix = new ColorSpaceMatrix();
+        mMaxParameter = 180;
+        mMinParameter = -180;
     }
 
     @Override