package com.ypx.imagepicker.widget;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.RectF;
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import android.graphics.Typeface;
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import android.graphics.drawable.BitmapDrawable;
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import android.util.AttributeSet;
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import android.util.DisplayMetrics;
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import android.util.TypedValue;
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import android.view.WindowManager;
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import android.widget.ImageView;
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import com.ypx.imagepicker.R;
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import com.ypx.imagepicker.bean.ImageItem;
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/**
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* 可以根据宽高和类型动态显示长图和gif图标签
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* <p>
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* yangpeixing on 2017/12/7 16:40
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*/
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@SuppressLint("AppCompatCustomView")
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public class ShowTypeImageView extends ImageView {
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public static final int TYPE_GIF = 1;//gif图片
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public static final int TYPE_LONG = 2;//长图
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public static final int TYPE_NONE = 3;//正常图
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public static final int TYPE_VIDEO = 5;//视频
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public static final int TYPE_IMAGECOUNT = 4;//数量
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protected int imageType = TYPE_NONE;
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private String imageCountTip = "";
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private boolean isSelect = false;
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public ShowTypeImageView(Context context) {
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super(context);
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init();
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}
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public ShowTypeImageView(Context context, AttributeSet attrs) {
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super(context, attrs);
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init();
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}
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public ShowTypeImageView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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init();
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}
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public void setType(int type) {
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this.imageType = type;
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invalidate();
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}
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public void setSelect(boolean isSelect, int selectColor) {
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this.isSelect = isSelect;
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mSelectPaint.setColor(selectColor);
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invalidate();
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}
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private Paint mCirclePaint;
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private Paint mMaskPaint;
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private Paint mBitmapPaint;
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private Paint mTextPaint;
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private RectF rectF;
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private Paint mSelectPaint;
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private Bitmap videoBitmap;
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private void init() {
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mCirclePaint = new Paint();
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mCirclePaint.setAntiAlias(true);
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mCirclePaint.setColor(Color.parseColor("#ffffff"));
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mCirclePaint.setAlpha(200);
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mMaskPaint = new Paint();
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mMaskPaint.setAntiAlias(true);
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mMaskPaint.setColor(Color.parseColor("#40000000"));
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mBitmapPaint = new Paint();
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mBitmapPaint.setAntiAlias(true);
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mTextPaint = new Paint();
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mTextPaint.setAntiAlias(true);
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mTextPaint.setColor(Color.parseColor("#90000000"));
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mTextPaint.setTextSize(sp(12));
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mTextPaint.setTypeface(Typeface.DEFAULT_BOLD);
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rectF = new RectF();
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mSelectPaint = new Paint();
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mSelectPaint.setAntiAlias(true);
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mSelectPaint.setStrokeWidth(dp(4));
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mSelectPaint.setStyle(Paint.Style.STROKE);
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try {
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videoBitmap = ((BitmapDrawable) getResources().getDrawable(R.mipmap.picker_item_video)).getBitmap();
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} catch (Exception ignored) {
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}
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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if (isSelect) {
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canvas.drawRect(0, 0, getWidth(), getHeight(), mSelectPaint);
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}
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if (imageType == TYPE_NONE) {
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return;
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}
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int width = getWidth();
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int height = getHeight();
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switch (imageType) {
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case TYPE_VIDEO:
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if (videoBitmap != null) {
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canvas.drawRect(0, 0, width, height, mMaskPaint);
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canvas.drawBitmap(videoBitmap, (width - videoBitmap.getWidth()) >> 1,
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(height - videoBitmap.getHeight()) >> 1, mBitmapPaint);
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}
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break;
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case TYPE_GIF:
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canvas.drawCircle(width >> 1, height >> 1, width * 0.18f, mCirclePaint);
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canvas.drawText("GIF", (width >> 1) - dp(10), (height >> 1) + dp(5), mTextPaint);
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break;
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case TYPE_LONG:
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rectF.left = width - dp(30);
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rectF.top = height - dp(20);
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rectF.right = width + dp(3);
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rectF.bottom = height;
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canvas.drawRoundRect(rectF, dp(3), dp(3), mCirclePaint);
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canvas.drawText("长图", width - dp(27), height - dp(6), mTextPaint);
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break;
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case TYPE_IMAGECOUNT:
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rectF.left = width - dp(30);
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rectF.top = height - dp(20);
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rectF.right = width + dp(3);
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rectF.bottom = height;
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canvas.drawRoundRect(rectF, dp(3), dp(3), mCirclePaint);
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canvas.drawText(imageCountTip, width - dp(27), height - dp(6), mTextPaint);
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break;
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}
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}
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public int sp(float spValue) {
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final float fontScale = getContext().getResources().getDisplayMetrics().scaledDensity;
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return (int) (spValue * fontScale + 0.5f);
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}
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public void setImageCountTip(String imageCountTip) {
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this.imageCountTip = imageCountTip;
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this.imageType = TYPE_IMAGECOUNT;
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invalidate();
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}
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public void setTypeFromImage(ImageItem imageItem) {
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if (imageType == TYPE_IMAGECOUNT) {
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return;
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}
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if (imageItem.isVideo()) {
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setType(TYPE_VIDEO);
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} else if (imageItem.isGif()) {
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setType(TYPE_GIF);
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} else if (imageItem.isLongImage()) {
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setType(TYPE_LONG);
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} else {
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setType(TYPE_NONE);
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}
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}
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/**
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* 获得屏幕高度
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*/
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public int getScreenHeight() {
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WindowManager wm = (WindowManager) getContext()
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.getSystemService(Context.WINDOW_SERVICE);
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DisplayMetrics outMetrics = new DisplayMetrics();
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assert wm != null;
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wm.getDefaultDisplay().getMetrics(outMetrics);
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return outMetrics.heightPixels;
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}
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public int dp(float dpVal) {
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return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
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dpVal, this.getResources().getDisplayMetrics());
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}
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}
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