1 files changed, 165 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/imageshow/ImageVignette.java b/src/com/android/gallery3d/filtershow/imageshow/ImageVignette.java
new file mode 100644
index 000000000..518969ee1
--- /dev/null
+++ b/src/com/android/gallery3d/filtershow/imageshow/ImageVignette.java
@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 2013 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.imageshow;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Matrix;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.MotionEvent;
+
+import com.android.gallery3d.filtershow.editors.EditorVignette;
+import com.android.gallery3d.filtershow.filters.FilterVignetteRepresentation;
+
+public class ImageVignette extends ImageShow {
+    private static final String LOGTAG = "ImageVignette";
+
+    private FilterVignetteRepresentation mVignetteRep;
+    private EditorVignette mEditorVignette;
+
+    private int mActiveHandle = -1;
+
+    EclipseControl mElipse;
+
+    public ImageVignette(Context context) {
+        super(context);
+        mElipse = new EclipseControl(context);
+    }
+
+    public ImageVignette(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        mElipse = new EclipseControl(context);
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        int mask = event.getActionMasked();
+        if (mActiveHandle == -1) {
+            if (MotionEvent.ACTION_DOWN != mask) {
+                return super.onTouchEvent(event);
+            }
+            if (event.getPointerCount() == 1) {
+                mActiveHandle = mElipse.getCloseHandle(event.getX(), event.getY());
+            }
+            if (mActiveHandle == -1) {
+                return super.onTouchEvent(event);
+            }
+        } else {
+            switch (mask) {
+                case MotionEvent.ACTION_UP:
+                    mActiveHandle = -1;
+                    break;
+                case MotionEvent.ACTION_DOWN:
+                    break;
+            }
+        }
+        float x = event.getX();
+        float y = event.getY();
+
+        mElipse.setScrToImageMatrix(getScreenToImageMatrix(true));
+
+        boolean didComputeEllipses = false;
+        switch (mask) {
+            case (MotionEvent.ACTION_DOWN):
+                mElipse.actionDown(x, y, mVignetteRep);
+                break;
+            case (MotionEvent.ACTION_UP):
+            case (MotionEvent.ACTION_MOVE):
+                mElipse.actionMove(mActiveHandle, x, y, mVignetteRep);
+                setRepresentation(mVignetteRep);
+                didComputeEllipses = true;
+                break;
+        }
+        if (!didComputeEllipses) {
+            computeEllipses();
+        }
+        invalidate();
+        return true;
+    }
+
+    public void setRepresentation(FilterVignetteRepresentation vignetteRep) {
+        mVignetteRep = vignetteRep;
+        computeEllipses();
+    }
+
+    public void computeEllipses() {
+        if (mVignetteRep == null) {
+            return;
+        }
+        Matrix toImg = getScreenToImageMatrix(false);
+        Matrix toScr = new Matrix();
+        toImg.invert(toScr);
+
+        float[] c = new float[] {
+                mVignetteRep.getCenterX(), mVignetteRep.getCenterY() };
+        if (Float.isNaN(c[0])) {
+            float cx = MasterImage.getImage().getOriginalBounds().width() / 2;
+            float cy = MasterImage.getImage().getOriginalBounds().height() / 2;
+            float rx = Math.min(cx, cy) * .8f;
+            float ry = rx;
+            mVignetteRep.setCenter(cx, cy);
+            mVignetteRep.setRadius(rx, ry);
+
+            c[0] = cx;
+            c[1] = cy;
+            toScr.mapPoints(c);
+            if (getWidth() != 0) {
+                mElipse.setCenter(c[0], c[1]);
+                mElipse.setRadius(c[0] * 0.8f, c[1] * 0.8f);
+            }
+        } else {
+
+            toScr.mapPoints(c);
+
+            mElipse.setCenter(c[0], c[1]);
+            mElipse.setRadius(toScr.mapRadius(mVignetteRep.getRadiusX()),
+                    toScr.mapRadius(mVignetteRep.getRadiusY()));
+        }
+        mEditorVignette.commitLocalRepresentation();
+    }
+
+    public void setEditor(EditorVignette editorVignette) {
+        mEditorVignette = editorVignette;
+    }
+
+    @Override
+    public void onSizeChanged(int w, int h, int oldw, int oldh) {
+        super.onSizeChanged(w,  h, oldw, oldh);
+        computeEllipses();
+    }
+
+    @Override
+    public void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+        if (mVignetteRep == null) {
+            return;
+        }
+        Matrix toImg = getScreenToImageMatrix(false);
+        Matrix toScr = new Matrix();
+        toImg.invert(toScr);
+        float[] c = new float[] {
+                mVignetteRep.getCenterX(), mVignetteRep.getCenterY() };
+        toScr.mapPoints(c);
+        mElipse.setCenter(c[0], c[1]);
+        mElipse.setRadius(toScr.mapRadius(mVignetteRep.getRadiusX()),
+                toScr.mapRadius(mVignetteRep.getRadiusY()));
+
+        mElipse.draw(canvas);
+    }
+
+}