<Camera>.Capture (Function)

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Save in image format
Use conditions:

WINDEV

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<Camera>.Capture (Function)

In french: <Caméra>.Capture

Saves the video currently transmitted by a "camera" as an image or a video sequence.

The formats in which the video is saved are:

an image in BMP format or a video sequence in AVI format.
If the file extension is .jpg or .jpeg, the image is saved in JPEG format

Example

// Save the video transmitted in the "CAM_Kitchen" control
// in the format of a 1-minute AVI ("C:\Temp\MyVideo.AVI")
ResSave = CAM_Kitchen.Capture("C:\Temp\MyVideo.AVI", viVideoCapture, 60)
IF ResSave = True THEN
Info("Video successfully saved")
ELSE
Error(ErrorInfo())
END

Syntax

<Result> = <Camera control>.Capture(<File to create> [, <Type of capture> [, <Capture duration> [, <Number of images per second> [, <Display during capture>]]]])

<Result>: Boolean

True if the video was successfully saved,
False otherwise. To find out the error details, use ErrorInfo.

<Camera control>: Control name

Name of Camera control to use.

<File to create>: Character string (with quotes)

Name and full (or relative) path of file to create.
If an image is saved, a BMP file is created. If a video sequence is saved, an AVI file is created.
Caution: No UNC path can be used.

<Type of capture>: Optional integer constant

Type of capture:
viPictureCapture
Capture an image in the format of a BMP file.

viVideoCapture
(Default value)
Capture a video sequence in the format of an AVI file.

<Capture duration>: Optional integer

Duration of capture (in seconds). If this parameter is set to 0 or if it is not specified, the capture will stop:
during the call to <Camera>.Stop.
when the specified disk is full.
This parameter can correspond to:
an integer corresponding to the number of seconds,
a Duration variable,
Versions 23 and later
the direct indication of duration (1 s or 10 ms for example).
New in version 23
the direct indication of duration (1 s or 10 ms for example).
the direct indication of duration (1 s or 10 ms for example).

<Number of images per second>: Optional integer

Number of images saved per second (15 by default). This parameter is taken into account only if <Type of capture> is equal to viVideoCapture.

<Display during capture>: Optional boolean

True (by default) if the video currently transmitted must be viewed in the specified Camera control,
False otherwise.

Remarks

Save in image format

Only the image displayed when running <Camera>.Capture will be saved in BMP format. To save this image, you can also use:

the function <Image>.SaveBMP: the image will be saved in BMP format.
<Image>.SaveGIF: the image will be saved in GIF format.
<Image>.SaveJPEG: the image will be saved in JPEG format.

Use conditions:

To use this function, a "web camera" must be connected to the current computer.

Related Examples:

Unit examples (WINDEV Mobile): The Camera functions

[ + ] Using the WLanguage "Camera" functions to start the native video camera application of the device in order to record a video or to take a photo.

Component : wd260obj.dll