/*******************************************************************************
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* Copyright 2011, 2012 Chris Banes.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*******************************************************************************/
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package com.doumee.lib_coremodel.view.zoomview;
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import android.graphics.RectF;
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import android.view.View;
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import android.widget.ImageView;
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public interface IPhotoView {
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/**
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* Returns true if the PhotoView is set to allow zooming of Photos.
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*
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* @return true if the PhotoView allows zooming.
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*/
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boolean canZoom();
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/**
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* Gets the Display Rectangle of the currently displayed Drawable. The
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* Rectangle is relative to this View and includes all scaling and
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* translations.
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*
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* @return - RectF of Displayed Drawable
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*/
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RectF getDisplayRect();
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/**
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* @return The current minimum scale level. What this value represents depends on the current {@link ImageView.ScaleType}.
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*/
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float getMinScale();
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/**
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* @return The current middle scale level. What this value represents depends on the current {@link ImageView.ScaleType}.
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*/
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float getMidScale();
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/**
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* @return The current maximum scale level. What this value represents depends on the current {@link ImageView.ScaleType}.
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*/
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float getMaxScale();
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/**
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* Returns the current scale value
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*
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* @return float - current scale value
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*/
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float getScale();
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/**
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* Return the current scale type in use by the ImageView.
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*/
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ImageView.ScaleType getScaleType();
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/**
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* Whether to allow the ImageView's parent to intercept the touch event when the photo is scroll to it's horizontal edge.
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*/
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void setAllowParentInterceptOnEdge(boolean allow);
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/**
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* Sets the minimum scale level. What this value represents depends on the current {@link ImageView.ScaleType}.
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*/
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void setMinScale(float minScale);
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/**
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* Sets the middle scale level. What this value represents depends on the current {@link ImageView.ScaleType}.
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*/
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void setMidScale(float midScale);
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/**
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* Sets the maximum scale level. What this value represents depends on the current {@link ImageView.ScaleType}.
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*/
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void setMaxScale(float maxScale);
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/**
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* Register a callback to be invoked when the Photo displayed by this view is long-pressed.
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*
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* @param listener - Listener to be registered.
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*/
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void setOnLongClickListener(View.OnLongClickListener listener);
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/**
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* Register a callback to be invoked when the Matrix has changed for this
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* View. An example would be the user panning or scaling the Photo.
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*
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* @param listener - Listener to be registered.
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*/
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void setOnMatrixChangeListener(PhotoViewAttacher.OnMatrixChangedListener listener);
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/**
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* Register a callback to be invoked when the Photo displayed by this View
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* is tapped with a single tap.
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*
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* @param listener - Listener to be registered.
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*/
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void setOnPhotoTapListener(PhotoViewAttacher.OnPhotoTapListener listener);
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/**
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* Register a callback to be invoked when the View is tapped with a single
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* tap.
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*
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* @param listener - Listener to be registered.
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*/
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void setOnViewTapListener(PhotoViewAttacher.OnViewTapListener listener);
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/**
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* Controls how the image should be resized or moved to match the size of
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* the ImageView. Any scaling or panning will happen within the confines of
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* this {@link ImageView.ScaleType}.
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*
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* @param scaleType - The desired scaling mode.
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*/
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void setScaleType(ImageView.ScaleType scaleType);
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/**
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* Allows you to enable/disable the zoom functionality on the ImageView.
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* When disable the ImageView reverts to using the FIT_CENTER matrix.
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*
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* @param zoomable - Whether the zoom functionality is enabled.
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*/
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void setZoomable(boolean zoomable);
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/**
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* Zooms to the specified scale, around the focal point given.
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*
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* @param scale - Scale to zoom to
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* @param focalX - X Focus Point
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* @param focalY - Y Focus Point
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*/
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void zoomTo(float scale, float focalX, float focalY);
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}
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