1 files changed, 170 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/filters/FilterCurvesRepresentation.java b/src/com/android/gallery3d/filtershow/filters/FilterCurvesRepresentation.java
new file mode 100644
index 000000000..edab2a08d
--- /dev/null
+++ b/src/com/android/gallery3d/filtershow/filters/FilterCurvesRepresentation.java
@@ -0,0 +1,170 @@
+package com.android.gallery3d.filtershow.filters;
+
+import android.util.JsonReader;
+import android.util.JsonWriter;
+import android.util.Log;
+
+import com.android.gallery3d.R;
+import com.android.gallery3d.filtershow.imageshow.ControlPoint;
+import com.android.gallery3d.filtershow.imageshow.Spline;
+
+import java.io.IOException;
+
+/**
+ * TODO: Insert description here. (generated by hoford)
+ */
+public class FilterCurvesRepresentation extends FilterRepresentation {
+    private static final String LOGTAG = "FilterCurvesRepresentation";
+    public static final String SERIALIZATION_NAME = "Curve";
+    private static final int MAX_SPLINE_NUMBER = 4;
+
+    private Spline[] mSplines = new Spline[MAX_SPLINE_NUMBER];
+
+    public FilterCurvesRepresentation() {
+        super("Curves");
+        setSerializationName("CURVES");
+        setFilterClass(ImageFilterCurves.class);
+        setTextId(R.string.curvesRGB);
+        setOverlayId(R.drawable.filtershow_button_colors_curve);
+        setEditorId(R.id.imageCurves);
+        setShowParameterValue(false);
+        setSupportsPartialRendering(true);
+        reset();
+    }
+
+    @Override
+    public FilterRepresentation copy() {
+        FilterCurvesRepresentation representation = new FilterCurvesRepresentation();
+        copyAllParameters(representation);
+        return representation;
+    }
+
+    @Override
+    protected void copyAllParameters(FilterRepresentation representation) {
+        super.copyAllParameters(representation);
+        representation.useParametersFrom(this);
+    }
+
+    @Override
+    public void useParametersFrom(FilterRepresentation a) {
+        if (!(a instanceof FilterCurvesRepresentation)) {
+            Log.v(LOGTAG, "cannot use parameters from " + a);
+            return;
+        }
+        FilterCurvesRepresentation representation = (FilterCurvesRepresentation) a;
+        Spline[] spline = new Spline[MAX_SPLINE_NUMBER];
+        for (int i = 0; i < spline.length; i++) {
+            Spline sp = representation.mSplines[i];
+            if (sp != null) {
+                spline[i] = new Spline(sp);
+            } else {
+                spline[i] = new Spline();
+            }
+        }
+        mSplines = spline;
+    }
+
+    @Override
+    public boolean isNil() {
+        for (int i = 0; i < MAX_SPLINE_NUMBER; i++) {
+            if (getSpline(i) != null && !getSpline(i).isOriginal()) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    @Override
+    public boolean equals(FilterRepresentation representation) {
+        if (!super.equals(representation)) {
+            return false;
+        }
+
+        if (!(representation instanceof FilterCurvesRepresentation)) {
+            return false;
+        } else {
+            FilterCurvesRepresentation curve =
+                    (FilterCurvesRepresentation) representation;
+            for (int i = 0; i < MAX_SPLINE_NUMBER; i++) {
+                if (!getSpline(i).sameValues(curve.getSpline(i))) {
+                    return false;
+                }
+            }
+        }
+        // Every spline matches, therefore they are the same.
+        return true;
+    }
+
+    public void reset() {
+        Spline spline = new Spline();
+
+        spline.addPoint(0.0f, 1.0f);
+        spline.addPoint(1.0f, 0.0f);
+
+        for (int i = 0; i < MAX_SPLINE_NUMBER; i++) {
+            mSplines[i] = new Spline(spline);
+        }
+    }
+
+    public void setSpline(int splineIndex, Spline s) {
+        mSplines[splineIndex] = s;
+    }
+
+    public Spline getSpline(int splineIndex) {
+        return mSplines[splineIndex];
+    }
+
+    @Override
+    public void serializeRepresentation(JsonWriter writer) throws IOException {
+        writer.beginObject();
+        {
+            writer.name(NAME_TAG);
+            writer.value(getName());
+            for (int i = 0; i < mSplines.length; i++) {
+                writer.name(SERIALIZATION_NAME + i);
+                writer.beginArray();
+                int nop = mSplines[i].getNbPoints();
+                for (int j = 0; j < nop; j++) {
+                    ControlPoint p = mSplines[i].getPoint(j);
+                    writer.beginArray();
+                    writer.value(p.x);
+                    writer.value(p.y);
+                    writer.endArray();
+                }
+                writer.endArray();
+            }
+
+        }
+        writer.endObject();
+    }
+
+    @Override
+    public void deSerializeRepresentation(JsonReader sreader) throws IOException {
+        sreader.beginObject();
+        Spline[] spline = new Spline[MAX_SPLINE_NUMBER];
+        while (sreader.hasNext()) {
+            String name = sreader.nextName();
+            if (NAME_TAG.equals(name)) {
+                setName(sreader.nextString());
+            } else if (name.startsWith(SERIALIZATION_NAME)) {
+                int curveNo = Integer.parseInt(name.substring(SERIALIZATION_NAME.length()));
+                spline[curveNo] = new Spline();
+                sreader.beginArray();
+                while (sreader.hasNext()) {
+                    sreader.beginArray();
+                    sreader.hasNext();
+                    float x = (float) sreader.nextDouble();
+                    sreader.hasNext();
+                    float y = (float) sreader.nextDouble();
+                    sreader.endArray();
+                    spline[curveNo].addPoint(x, y);
+                }
+                sreader.endArray();
+
+            }
+        }
+        mSplines = spline;
+        sreader.endObject();
+    }
+
+}