If rect is off screen, scroll just enough to get it (or at least the first screen size chunk of it) on screen. @param rect The rectangle. @param

设置行高 @param lineHeight

Apply the specified alpha to the system navigation bar. @param alpha The alpha to use

Apply the specified color tint to the system navigation bar. @param color The color of the background tint.

Apply the specified drawable to the system navigation bar. @param drawable The drawable to use as the background, or null to remove it.

Enable tinting of the system navigation bar. If the platform does not have soft navigation keys, is running Jelly Bean or earlier, or translucent sys

Apply the specified drawable or color resource to the system navigation bar. @param res The identifier of the resource.

保存画笔颜色设置

Apply the specified alpha to the system status bar. @param alpha The alpha to use

Apply the specified color tint to the system status bar. @param color The color of the background tint.

Apply the specified drawable to the system status bar. @param drawable The drawable to use as the background, or null to remove it.

Enable tinting of the system status bar. If the platform is running Jelly Bean or earlier, or translucent system UI modes have not been enabled in ei

Apply the specified drawable or color resource to the system status bar. @param res The identifier of the resource.

Apply the specified color tint to all system UI bars. @param color The color of the background tint.

弹出清空提示

弹出画笔设置

弹出画笔设置

撤销

Constructor. Call this in the host activity onCreate method after its content view has been set. You should always create new instances when the host

给图片右下角添加水印 @param src 源图 @param watermark 水印图 @param bgColor 背景色 @param fixed 源图是否固定大小，固定则在源图上绘制印章，不固定则动态改变图片大小 @return 添加水印后的图片

{@inheritDoc}

Return the color drawn behind the circle-shaped drawable. @return The color drawn behind the drawable @deprecated Use {@link #getCircleBackgroundColo

获取是否第一次打开

Get the layout inset for any system UI that appears at the bottom of the screen. @return The layout inset (in pixels).

Get the layout inset for any system UI that appears at the right of the screen. @return The layout inset (in pixels).

Get the layout inset for any system UI that appears at the top of the screen. @param withActionBar True to include the height of the action bar, Fals

获取屏幕高度 @param context @return

获取屏幕宽度

初始化画板 @param width 画板宽度 @param height 画板高度 @param path 初始图片路径

@return 判断是否有绘制内容在画布上

Is tinting enabled for the system navigation bar? @return True if enabled, False otherwise.