Html富文本解析

textView.setText(Html.fromHtml(imageString, new OrImageGetter(getContext(), textView, 108, 45), null));

重写OrImageGetter

public class OrImageGetter implements Html.ImageGetter {

    private DkDrawable mOrDrawable = null;
    private TextView mTargetTextView;
    private Context mContext;
    private int mWidth;
    private int mHeight;

    public OrImageGetter(Context context, TextView targetTextView, int width, int height) {
        this(context, targetTextView);
        this.mWidth = width;
        this.mHeight = height;

    }

    public DkImageGetter(Context context, TextView targetTextView) {
        this.mTargetTextView = targetTextView;
        this.mContext = context;
    }

    @Override
    public Drawable getDrawable(final String source) {
        mOrDrawable = new OrDrawable();
        Glide.with(mContext)
                .load(source)
                .asBitmap()
                .fitCenter()
                .into(new SimpleTarget() {
            @Override
            public void onResourceReady(Bitmap resource, GlideAnimation glideAnimation) {
                Bitmap scaleBitmap = ((BitmapDrawable) mContext.getResources().getDrawable(R.drawable.test_drawable)).getBitmap();
                scaleBitmap = toScaleBitmap(scaleBitmap, mWidth, mHeight);
                mOrDrawable.setDkBitmap(scaleBitmap);
                mOrDrawable.setBounds(0, 0, scaleBitmap.getWidth(), scaleBitmap.getHeight());
                mTargetTextView.setText(mTargetTextView.getText());
                mTargetTextView.invalidate();
            }
        });
        return mOrDrawable;
    }

    public class OrDrawable extends BitmapDrawable {
        public Bitmap mOrBitmap;

        public Bitmap getOrBitmap() {
            return mOrBitmap;
        }

        public void setOrBitmap(Bitmap mBitmap) {
            this.mOrBitmap = mBitmap;在这里插入代码片
        }


        @Override
        public void draw(Canvas canvas) {
            super.draw(canvas);
            if (mOrBitmap != null) {
                canvas.drawBitmap(mOrBitmap, 0, 0, getPaint());
            }
        }
    }

    /* 根据给定的高宽，对位图进行缩放操作*/
    public Bitmap toScaleBitmap(Bitmap bitmap, int width, int height) {
        if (width == 0 && height == 0) {
            return bitmap;
        }
        int originalWidth = bitmap.getWidth();
        int originalHeight = bitmap.getHeight();
        float scaleHeight = ((float) height) / originalHeight;
        float scaleWidth = ((float) width) / originalWidth;
        float minScale = scaleWidth;
        if (scaleWidth > scaleHeight) {
            minScale = scaleHeight;
        }
        Matrix matrix = new Matrix();
        matrix.postScale(minScale, minScale);
        return Bitmap.createBitmap(bitmap, 0, 0, originalWidth, originalHeight, matrix, true);
    }
}