/**
* Copyright (C) 2016 Hyphenate Inc. All rights reserved.
*
* 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.
*/
/*******************************************************************************
* Copyright 2011, 2012 Chris Banes.
*
* 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.fanxin.easeui.widget.photoview;
import android.graphics.RectF;
import android.view.View;
import android.widget.ImageView;
public interface IPhotoView {
/**
* Returns true if the PhotoView is set to allow zooming of Photos.
*
* @return true if the PhotoView allows zooming.
*/
boolean canZoom();
/**
* Gets the Display Rectangle of the currently displayed Drawable. The
* Rectangle is relative to this View and includes all scaling and
* translations.
*
* @return - RectF of Displayed Drawable
*/
RectF getDisplayRect();
/**
* @return The current minimum scale level. What this value represents depends on the current {@link android.widget.ImageView.ScaleType}.
*/
float getMinScale();
/**
* @return The current middle scale level. What this value represents depends on the current {@link android.widget.ImageView.ScaleType}.
*/
float getMidScale();
/**
* @return The current maximum scale level. What this value represents depends on the current {@link android.widget.ImageView.ScaleType}.
*/
float getMaxScale();
/**
* Returns the current scale value
*
* @return float - current scale value
*/
float getScale();
/**
* Return the current scale type in use by the ImageView.
*/
ImageView.ScaleType getScaleType();
/**
* Whether to allow the ImageView's parent to intercept the touch event when the photo is scroll to it's horizontal edge.
*/
void setAllowParentInterceptOnEdge(boolean allow);
/**
* Sets the minimum scale level. What this value represents depends on the current {@link android.widget.ImageView.ScaleType}.
*/
void setMinScale(float minScale);
/**
* Sets the middle scale level. What this value represents depends on the current {@link android.widget.ImageView.ScaleType}.
*/
void setMidScale(float midScale);
/**
* Sets the maximum scale level. What this value represents depends on the current {@link android.widget.ImageView.ScaleType}.
*/
void setMaxScale(float maxScale);
/**
* Register a callback to be invoked when the Photo displayed by this view is long-pressed.
*
* @param listener - Listener to be registered.
*/
void setOnLongClickListener(View.OnLongClickListener listener);
/**
* Register a callback to be invoked when the Matrix has changed for this
* View. An example would be the user panning or scaling the Photo.
*
* @param listener - Listener to be registered.
*/
void setOnMatrixChangeListener(PhotoViewAttacher.OnMatrixChangedListener listener);
/**
* Register a callback to be invoked when the Photo displayed by this View
* is tapped with a single tap.
*
* @param listener - Listener to be registered.
*/
void setOnPhotoTapListener(PhotoViewAttacher.OnPhotoTapListener listener);
/**
* Register a callback to be invoked when the View is tapped with a single
* tap.
*
* @param listener - Listener to be registered.
*/
void setOnViewTapListener(PhotoViewAttacher.OnViewTapListener listener);
/**
* Controls how the image should be resized or moved to match the size of
* the ImageView. Any scaling or panning will happen within the confines of
* this {@link android.widget.ImageView.ScaleType}.
*
* @param scaleType - The desired scaling mode.
*/
void setScaleType(ImageView.ScaleType scaleType);
/**
* Allows you to enable/disable the zoom functionality on the ImageView.
* When disable the ImageView reverts to using the FIT_CENTER matrix.
*
* @param zoomable - Whether the zoom functionality is enabled.
*/
void setZoomable(boolean zoomable);
/**
* Zooms to the specified scale, around the focal point given.
*
* @param scale - Scale to zoom to
* @param focalX - X Focus Point
* @param focalY - Y Focus Point
*/
void zoomTo(float scale, float focalX, float focalY);
}