functionality added to transport filter parameter values to following filters.... (07a438da) · Commits · e / os / android_packages_apps_Gallery2

src/com/android/gallery3d/filtershow/filters/ImageFilter.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -69,10 +69,12 @@ public abstract class ImageFilter implements Cloneable {
		public boolean supportsAllocationInput() { return false; }

		public void apply(Allocation in, Allocation out) {
		setGeneralParameters();
		}

		public Bitmap apply(Bitmap bitmap, float scaleFactor, int quality) {
		// do nothing here, subclasses will implement filtering here
		setGeneralParameters();
		return bitmap;
		}

		@@ -102,4 +104,11 @@ public abstract class ImageFilter implements Cloneable {
		public FilterEnvironment getEnvironment() {
		return mEnvironment;
		}

		public void setGeneralParameters() {
		// should implement in subclass which like to transport
		// some information to other filters. (like the style setting from RetroLux
		// and Film to FixedFrame)
		mEnvironment.clearGeneralParameters();
		}
		}

+24 −0

Original line number	Diff line number	Diff line
		@@ -50,6 +50,9 @@ public class FilterEnvironment {
		private HashMap<Long, WeakReference<Bitmap>>
		bitmapCach = new HashMap<Long, WeakReference<Bitmap>>();

		private HashMap<Integer, Integer>
		generalParameters = new HashMap<Integer, Integer>();

		public void cache(Bitmap bitmap) {
		if (bitmap == null) {
		return;
		@@ -116,6 +119,7 @@ public class FilterEnvironment {
		if (filter.supportsAllocationInput()) {
		filter.apply(in, out);
		}
		filter.setGeneralParameters();
		filter.setEnvironment(null);
		}

		@@ -124,6 +128,7 @@ public class FilterEnvironment {
		filter.useRepresentation(representation);
		filter.setEnvironment(this);
		Bitmap ret = filter.apply(bitmap, mScaleFactor, mQuality);
		filter.setGeneralParameters();
		filter.setEnvironment(null);
		return ret;
		}
		@@ -136,4 +141,23 @@ public class FilterEnvironment {
		mPipeline = cachingPipeline;
		}

		public synchronized void clearGeneralParameters() {
		generalParameters = null;
		}

		public synchronized Integer getGeneralParameter(int id) {
		if (generalParameters == null \|\| !generalParameters.containsKey(id)) {
		return null;
		}
		return generalParameters.get(id);
		}

		public synchronized void setGeneralParameter(int id, int value) {
		if (generalParameters == null) {
		generalParameters = new HashMap<Integer, Integer>();
		}

		generalParameters.put(id, value);
		}

		}