The Camera control

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Camera control

The Camera control

Overview of Camera control

Viewing a video sequence

Related examples

See also

The Camera control

Overview of Camera control

Window control

The Camera control is used to:

view the video sequence currently broadcasted by a camera connected to the current computer.
view the video sequence currently broadcasted by the camera found on a mobile device ( Pocket PC or on a Smartphone).
Versions 16 and later
view the video sequence currently broadcasted by the camera found on an Android device.
New in version 16
view the video sequence currently broadcasted by the camera found on an Android device.
view the video sequence currently broadcasted by the camera found on an Android device.
Versions 21 and later
read and decode the bar codes. See Camera control: decoding the bar codes for more details.
New in version 21
read and decode the bar codes. See Camera control: decoding the bar codes for more details.
read and decode the bar codes. See Camera control: decoding the bar codes for more details.

You have the ability to save this video sequence or a photo of this video sequence.

Versions 16 and later

This control is now available for Android applications.

New in version 16

This control is now available for Android applications.

Versions 21 and later

The Video control can now be used to decode the bar codes in the Android applications and in the iPhone/iPad applications.

New in version 21

The Video control can now be used to decode the bar codes in the Android applications and in the iPhone/iPad applications.

Creating a Camera control

To create a Camera control:

On the "Creation" pane, in the "Graphic controls" group:
- expand "Video and Capture" and select "Camera".
- click "Camera".
Click where you want to create the control. The control appears in the editor.

To view the control characteristics, select "Description" in the popup menu of the control.

The Camera control can be handled by programming via the Camera functions.

Versions 23 and later
Remark: These functions are also available with an prefixed syntax. See Calendar functions (Prefixed syntax) for more details.

New in version 23
Remark: These functions are also available with an prefixed syntax. See Calendar functions (Prefixed syntax) for more details.

Remark: These functions are also available with an prefixed syntax. See Calendar functions (Prefixed syntax) for more details.

Remarks:

Versions 19 and later
The Camera control operates with all the Windows versions, regardless of the driver installed, via the DirectShow technology. The behavior of the previous versions can be restored by selecting the "Use the former 'Video for Windows' APIs (compatibility)" option.
Remark: A Camera control that uses the DirectShow technology and a compatible Camera control should not be used in the same window.
New in version 19
The Camera control operates with all the Windows versions, regardless of the driver installed, via the DirectShow technology. The behavior of the previous versions can be restored by selecting the "Use the former 'Video for Windows' APIs (compatibility)" option.
Remark: A Camera control that uses the DirectShow technology and a compatible Camera control should not be used in the same window.
The Camera control operates with all the Windows versions, regardless of the driver installed, via the DirectShow technology. The behavior of the previous versions can be restored by selecting the "Use the former 'Video for Windows' APIs (compatibility)" option.
Remark: A Camera control that uses the DirectShow technology and a compatible Camera control should not be used in the same window.
To retrieve an image transmitted by a Camera, specify the video driver used ("General" tab in the control description window). This driver can be defined by programming with ..Driver or with CameraChangeDriver.
A single Camera control can be used in a window.
Versions 17 and later
When taking the photo:
- the auto-focus is taken into account if it is enabled.
- the orientation of the camera is taken into account for the final orientation of the photo.
New in version 17
When taking the photo:
- the auto-focus is taken into account if it is enabled.
- the orientation of the camera is taken into account for the final orientation of the photo.
When taking the photo:
- the auto-focus is taken into account if it is enabled.
- the orientation of the camera is taken into account for the final orientation of the photo.
Versions 17 and later
The click code on the Camera control allows you to trigger the photo capture or to start recording a clip (and to stop).
New in version 17
The click code on the Camera control allows you to trigger the photo capture or to start recording a clip (and to stop).
The click code on the Camera control allows you to trigger the photo capture or to start recording a clip (and to stop).

Viewing a video sequence

Only the video sequence currently broadcasted can be viewed in a Camera control.

To view:

an image captured by CameraCapture, use an Image control.
a video sequence captured by CameraCapture, use a Multimedia control.

Related Examples:

Complete examples (WINDEV): WD WebCam

[ + ] This example explains how to include a WebCam in a WINDEV application.
The following topics will be presented in this example:
1/ Camera control
2/ Use of the video functions

Summary of the example supplied with WINDEV:
This example explains how a WebCam can be included in a WINDEV window.
You have the ability to view the image captured by the camera, to perform an instant capture and to film the scene broadcasted as a Windows animation (AVI).

Unit examples (WINDEV Mobile): The Camera control

[ + ] Using the Camera control in a WINDEV Mobile application.
The control is used to capture photos and videos.

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.

Android (WINDEV Mobile): Android System

[ + ] This application is a tutorial example presenting some of the new features of WINDEV Mobile for Android.
The following system functions are used:
- NFC
- Multimedia control
- Brightness
- Volume
- WIFI
- Bluetooth
- Toast
- Progress Bar control
- 9-image mode
- Compass
- Accelerometer
- Camera control
- LED
- Vibrations
- Notifications
- Drawing functions
- Internet

Complete examples (WINDEV): WD Video surveillance

[ + ] This example explains how to broadcast images coming from a Web camera via a network (Intranet, Internet).
The following topics are presented in this example:
1/ Web Camera control
2/ Using the Socket functions
3/ Using the Thread function
4/ Detecting movements
Summary of the example supplied with WINDEV:
This example is used to broadcast the images captured by a Web Camera via a network (Intranet, Internet)
This application groups the "Diffusion server" part and the "Monitor" part.
It allows you to:
- broadcast the images of the Web Camera
- select a "monitor"
- analyze the image to detect a movement. In this case, the relevant recipients (or "monitors") can be notified
- connect up to 8 different Web Cameras and enable the detection of movements