82 lines
2.7 KiB
Java
82 lines
2.7 KiB
Java
/*
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* Copyright 2019 Hippo Seven
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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.hippo.ehviewer.widget;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import com.hippo.ehviewer.R;
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import com.hippo.widget.LoadImageView;
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public class FixedThumb extends LoadImageView {
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private float minAspect;
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private float maxAspect;
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private boolean alwaysCutAndScale;
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public FixedThumb(Context context) {
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super(context);
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init(context, null, 0, 0);
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}
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public FixedThumb(Context context, AttributeSet attrs) {
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super(context, attrs);
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init(context, attrs, 0, 0);
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}
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public FixedThumb(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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init(context, attrs, defStyle, 0);
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}
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private void init(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.FixedThumb, defStyleAttr, defStyleRes);
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minAspect = a.getFloat(R.styleable.FixedThumb_minAspect, 0.0f);
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maxAspect = a.getFloat(R.styleable.FixedThumb_maxAspect, 0.0f);
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alwaysCutAndScale = a.getBoolean(R.styleable.FixedThumb_alwaysCutAndScale, false);
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a.recycle();
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}
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@Override
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public void onPreSetImageDrawable(Drawable drawable, boolean isTarget) {
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if (alwaysCutAndScale) {
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setScaleType(ScaleType.CENTER_CROP);
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return;
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}
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if (isTarget && drawable != null) {
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int width = drawable.getIntrinsicWidth();
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int height = drawable.getIntrinsicHeight();
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if (width > 0 && height > 0) {
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float aspect = (float) width / (float) height;
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if (aspect < maxAspect && aspect > minAspect) {
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setScaleType(ScaleType.CENTER_CROP);
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return;
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}
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}
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}
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setScaleType(ScaleType.FIT_CENTER);
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}
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@Override
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public void onPreSetImageResource(int resId, boolean isTarget) {
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setScaleType(ScaleType.FIT_CENTER);
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}
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}
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