| DirectFB Interfaces | IDirectFBDisplayLayer |
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| Reference Manual - 1.0.1 | ||
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No summary yet... 目前没有搞要
| Methods of IDirectFBDisplayLayer | ||
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Information
相关信息 | GetID |
Get the unique layer ID.
获取指定层的ID |
| GetDescription |
Get a description of this display layer, i.e. the capabilities.
获取指定层的描述体 | |
| GetSourceDescriptions |
Get a description of available sources. 获取默认的描述体 | |
| GetCurrentOutputField |
For an interlaced display, this returns the currently inactive field: 0 for the top field, and 1 for the bottom field.
获取当前交错层的活动区域 | |
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Interfaces
接口 | GetSurface |
Get an interface to layer's surface.
获取当前层的表面的接口，只在独占模式下可用 |
| GetScreen |
Get an interface to the screen to which the layer belongs.
取得属于层的屏幕的接口 | |
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Configuration
配置 | SetCooperativeLevel |
Set cooperative level to get control over the layer or the windows within this layer.
设置合作级别以便能对指定层或层内窗口进行控制 |
| GetConfiguration |
Get current layer configuration. 获取指定层的配置值 | |
| TestConfiguration |
Test layer configuration.
检验指定层的配置值 | |
| SetConfiguration |
Set layer configuration.
设置指定层的配置值 | |
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Layout
布局 | SetScreenLocation |
Set location on screen as normalized values.
设置屏幕区域的大小和位置 |
| SetScreenPosition |
Set location on screen in pixels. 设置屏幕位置的像素值 | |
| SetScreenRectangle |
Set location on screen in pixels. 设置屏幕区域的像素大小和像素位置 | |
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Misc Settings 杂项设置 | SetOpacity |
Set global alpha factor for blending with layer(s) below.
设置底层各层混合的全局alpha变量 |
| SetSourceRectangle |
Set the source rectangle.
设置当前层的默认矩形框大小和位置 | |
| SetFieldParity |
For an interlaced display, this sets the field parity. 当层与层交错时，设置当前层是置顶还是置底 | |
| SetClipRegions |
Set the clipping region(s).
设置可剪切区域 | |
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Color keys
关键色 | SetSrcColorKey |
Set the source color key.
设置默认关键色 |
| SetDstColorKey |
Set the destination color key.
设置指定颜色键值 | |
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Z Order Z 序 | GetLevel |
Get the current display layer level. 获取当前层的级别 |
| SetLevel |
Set the display layer level. 设置当前层的级别 | |
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Background handling
背景处理 | SetBackgroundMode |
Set the erase behaviour for windowstack repaints.
设置重画窗口栈时的清除动作 |
| SetBackgroundImage |
Set the background image for the imaged background mode.
设置背景图像模式下的背景图片 | |
| SetBackgroundColor |
Set the color for a solid colored background. 设置纯色背景下的颜色值 | |
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Color adjustment 颜色调节 | GetColorAdjustment |
Get the layers color adjustment.
获取当前层的颜色索引 |
| SetColorAdjustment |
Set the layers color adjustment.
设置当前层的颜色索引 | |
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Windows 窗口 | CreateWindow |
Create a window within this layer given a description of the window that is to be created.
在当前层内按照描述体创建一个窗口 |
| GetWindow |
Retrieve an interface to an existing window. 取得一个窗口的接口 | |
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Cursor handling 光标处理 | EnableCursor |
Enable/disable the mouse cursor for this layer.
使能当前层的光标 |
| GetCursorPosition |
Returns the x/y coordinates of the layer's mouse cursor.
获取当前层光标的坐标 | |
| WarpCursor |
Move cursor to specified position.
把光标移动到制定位置 | |
| SetCursorAcceleration |
Set cursor acceleration.
设置光标加速 | |
| SetCursorShape |
Set the cursor shape and the hotspot. 设置光标形状和热点 | |
| SetCursorOpacity |
Set the cursor opacity.
设置光标是否可见 | |
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Synchronization 同步 | WaitForSync |
Wait for next vertical retrace.
等待下一个同步 |
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Contexts 上下文 | SwitchContext |
Switch the layer context.
切换当前层的上下文 |
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