概述
QtMultiMedia 之 CameraImageProcessing
翻译:qyvlik
5.5.1
用来调整与捕获照片相关的设置。
属性文档
colorFilter
:enumeration
contrast
:qreal
denoisingLevel
:qreal
manualWhiteBalance
:qreal
saturation
:qreal
sharpeningLevel
:qreal
whiteBalanceMode
:enumeration
详细描述
CameraImageProcessing
provides control over post-processing done by the camera middleware, including white balance adjustments, contrast, saturation, sharpening, and denoising
CameraImageProcessing
提供了一些图像处理,包括白平衡,对比度,饱和度,锐化,降噪。
It should not be constructed separately, instead the imageProcessing property of a Camera should be used.
不可创建,只能通过 Camera::imageProcessing
访问。
Camera {
id: camera
imageProcessing {
whiteBalanceMode: Camera.WhiteBalanceTungsten
contrast: 0.66
saturation: -0.5
}
}
属性文档
colorFilter
: enumeration
This property holds which color filter if any will be applied to image data captured by the camera.
颜色过滤。
Value | Description |
---|---|
CameraImageProcessing.ColorFilterNone | No filter is applied to images. |
CameraImageProcessing.ColorFilterGrayscale | A grayscale filter. |
CameraImageProcessing.ColorFilterNegative | A negative filter. |
CameraImageProcessing.ColorFilterSolarize | A solarize filter. |
CameraImageProcessing.ColorFilterSepia | A sepia filter. |
CameraImageProcessing.ColorFilterPosterize | A posterize filter. |
CameraImageProcessing.ColorFilterWhiteboard | A whiteboard filter. |
CameraImageProcessing.ColorFilterBlackboard | A blackboard filter. |
CameraImageProcessing.ColorFilterAqua | An aqua filter. |
CameraImageProcessing.ColorFilterVendor | The base value for vendor defined filters. |
contrast
:qreal
Image contrast adjustment. Valid contrast adjustment values range between -1.0 and 1.0, with a default of 0.
图像对比度。有效值是 -1.0
到 1.0
,默认值是 0
。
denoisingLevel
:qreal
Adjustment of denoising applied to image.
Valid denoising level values range between -1.0 for for denoising disabled, 0 for default denoising level and 1.0 for maximum denoising applied.
设置降噪级数。
有效值从 -1.0
到 1.0
,默认值为 0
。 1.0
为最大降噪级数。
manualWhiteBalance
:qreal
The color temperature used when in manual white balance mode (WhiteBalanceManual). The units are Kelvin.
手动白平衡,在 whiteBalanceMode
设置为 WhiteBalanceManual
模式后才可设置。单位为 Kelvin
。
saturation
:qreal
Image saturation adjustment. Valid saturation adjustment values range between -1.0 and 1.0, the default is 0.
图像保护度。 有效值为 -1.0
到 1.0
,默认值为 0
。
sharpeningLevel
:qreal
Adjustment of sharpening level applied to image.
Valid sharpening level values range between -1.0 for for sharpening disabled, 0 for default sharpening level and 1.0 for maximum sharpening applied.
图像锐化级数。
有效值为 -1.0
到 1.0
,默认是为 0
,锐化级数最大为 1.0
。
whiteBalanceMode
:enumeration
Value | Description |
---|---|
WhiteBalanceManual | Manual white balance. In this mode the manual white balance property value is used. |
WhiteBalanceAuto | Auto white balance mode. |
WhiteBalanceSunlight | Sunlight white balance mode. |
WhiteBalanceCloudy | Cloudy white balance mode. |
WhiteBalanceShade | Shade white balance mode. |
WhiteBalanceTungsten | Tungsten white balance mode. |
WhiteBalanceFluorescent | Fluorescent white balance mode. |
WhiteBalanceFlash | Flash white balance mode. |
WhiteBalanceSunset | Sunset white balance mode. |
WhiteBalanceVendor | Vendor defined white balance mode. |
最后
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