<Image variable>.PixelColor (Function)

ONLINE HELP
WINDEV, WEBDEV AND WINDEV MOBILE

Version:

WINDEV

WEBDEV

WINDEV Mobile

Others

<Image variable>.PixelColor (Function)

In french: <Variable Image>.PixelCouleur

Identifies the color of a pixel contained in an Image variable.

Versions 25 and later

This function is now available for Java applications.

New in version 25

This function is now available for Java applications.

Versions 17 and later

This function is now available for WINDEV applications in Linux.

This function is now available for WEBDEV sites in Linux.

Caution: A specific configuration is required to use this function in Linux. For more details, see The drawings.

New in version 17

This function is now available for WINDEV applications in Linux.

This function is now available for WEBDEV sites in Linux.

Caution: A specific configuration is required to use this function in Linux. For more details, see The drawings.

This function is now available for WINDEV applications in Linux.

This function is now available for WEBDEV sites in Linux.

Caution: A specific configuration is required to use this function in Linux. For more details, see The drawings.

Example

MyImage is Image = "Test.gif"
// Identify the color of the pixel (15, 25)
// on MyImage
ResColor = MyImage.PixelColor(15, 25)
IMG_MyDrawing = MyImage

Syntax

<Result> = <Image variable>.PixelColor(<X-coordinate> , <Y-coordinate>)

<Result>: Integer

Color of the specified pixel in RGB format.
Caution: the value returned may differ according to the display configuration (resolution, ...).

<Image variable>: Image variable

Name of the variable of type Image to be used.

<X-coordinate>: Integer

Horizontal position of pixel to use.

<Y-coordinate>: Integer

Vertical position of pixel to use.

Remarks

Coordinates

Coordinates are given in pixels with respect to the top left corner of the image (coordinates: (0.0)).

How to retrieve the components of the color?

To retrieve the components of the color returned by <Image variable>.PixelColor:

To get the red component, use RGBRed (or perform a division modulo 256 of <Result>),
To get the green component, use RGBGreen (or perform a division modulo 256 of <Result>/256),
To get the blue component, use RGBBlue (or perform a division modulo 256 of <Result>/256/256).

Component: wd270obj.dll