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Diffstat (limited to 'src/com/android/camera/ui/focus/FocusRing.java')
| -rw-r--r-- | src/com/android/camera/ui/focus/FocusRing.java | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/com/android/camera/ui/focus/FocusRing.java b/src/com/android/camera/ui/focus/FocusRing.java new file mode 100644 index 000000000..89de357ad --- /dev/null +++ b/src/com/android/camera/ui/focus/FocusRing.java @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2014 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.camera.ui.focus; + +import android.graphics.RectF; + +/** + * Primary interface for interacting with the focus ring UI. + */ +public interface FocusRing { + /** + * Check the state of the passive focus ring animation. + * + * @return whether the passive focus animation is running. + */ + public boolean isPassiveFocusRunning(); + /** + * Check the state of the active focus ring animation. + * + * @return whether the active focus animation is running. + */ + public boolean isActiveFocusRunning(); + /** + * Start a passive focus animation. + */ + public void startPassiveFocus(); + /** + * Start an active focus animation. + */ + public void startActiveFocus(); + /** + * Stop any currently running focus animations. + */ + public void stopFocusAnimations(); + /** + * Set the location of the focus ring animation center. + */ + public void setFocusLocation(float viewX, float viewY); + + /** + * Set the location of the focus ring animation center. + */ + public void centerFocusLocation(); + + /** + * Set the target radius as a ratio of min to max visible radius + * which will internally convert and clamp the value to the + * correct pixel radius. + */ + public void setRadiusRatio(float ratio); + + /** + * The physical size of preview can vary and does not map directly + * to the size of the view. This allows for conversions between view + * and preview space for values that are provided in preview space. + */ + void configurePreviewDimensions(RectF previewArea); +}
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