<Image variable>.DrawLine (Function)

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<Image variable>.DrawLine (Function)

In french: <Variable Image>.DessineLigne

Draws a line in a variable of type Image.

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

Example

MyImage is Image = "Test.gif"
// Draw a light yellow line in an Image variable
MyImage.DrawLine(10, 10, 50, 50, LightYellow)
IMG_MyDrawing = MyImage

Syntax

<Image variable>.DrawLine(<X1> , <Y1> , <X2> , <Y2> [, <Line color> [, <Line thickness>]])

<Image variable>: Image variable

Name of the Image variable to be used.

<X1>: Integer

X-coordinate (in pixels) of the start point of the line.

<Y1>: Integer

Y-coordinate (in pixels) of the start point of the line.

<X2>: Integer

X-coordinate (in pixels) of the end point of the line.

<Y2>: Integer

Y-coordinate (in pixels) of the end point of the line.

<Line color>: Integer or constant (optional)

Line color. This color can correspond to:
an RGB color (returned by RGB),
an HSL color (returned by HSL),
a WLanguage preset color,
a variable of type Color.
If this parameter is not specified, the line color:
is Transparent if <Image variable>.Pen has not been previously used.
For a variable of type Image, the line will be black.
corresponds to the color specified in the last call to <Image variable>.Pen.

<Line thickness>: Optional integer

Thickness (in pixels) of the line to draw. If this parameter is not specified, the value taken into account can be:
the last value specified in the last call to <Image variable>.Pen.
1 if <Image variable>.Pen was not used beforehand.

Remarks

Coordinates

Coordinates are specified with respect to the upper-left corner of the image or Image control (coordinates: (0,0)).

Related Examples:

Unit examples (WINDEV): The drawing functions

[ + ] Using the main drawing functions of WINDEV to:
- Initialize an Image control for drawing
- Draw simple shapes
- Write a text into a drawing
- Change the color in a drawing

Business / UI classification: Neutral code

Component: wd300pnt.dll