RTEditor/src/main/java/com/onegravity/rteditor/media/crop/ImageViewTouchBase.java
protected float maxZoom() {
        if (mBitmapDisplayed.getBitmap() == null) {
            return 1F;
        }

        float fw = (float) mBitmapDisplayed.getWidth() / (float) mThisWidth;
        float fh = (float) mBitmapDisplayed.getHeight() / (float) mThisHeight;
        float max = Math.max(fw, fh) * 4;
        return max;
    }
protected float maxZoom() {
        if (mBitmapDisplayed.getBitmap() == null) {
            return 1F;
        }

        float fw = (float) mBitmapDisplayed.getWidth() / (float) mThisWidth;
        float fh = (float) mBitmapDisplayed.getHeight() / (float) mThisHeight;
        float max = Math.max(fw, fh) * 4;
        return max;
    }
rather than the current 1024x768, this should be changed down to 200%.