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  • Using the drawing functions
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Stored procedures
Draws a rectangle:
  • in an Image control,
  • in an Image variable.
    Windows Mobile This type of variable is not available.
Versions 16 and later
Android This function is now available for Android applications.
Universal Windows 10 App This function is now available for Windows Phone applications.
New in version 16
Android This function is now available for Android applications.
Universal Windows 10 App This function is now available for Windows Phone applications.
Android This function is now available for Android applications.
Universal Windows 10 App This function is now available for Windows Phone applications.
Versions 17 and later
iPhone/iPad This function is now available for iPhone/iPad applications.
New in version 17
iPhone/iPad This function is now available for iPhone/iPad applications.
iPhone/iPad This function is now available for iPhone/iPad applications.
Versions 18 and later
Universal Windows 10 App This function is now available in Windows Store apps mode.
New in version 18
Universal Windows 10 App This function is now available in Windows Store apps mode.
Universal Windows 10 App This function is now available in Windows Store apps mode.
Versions 21 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Versions 24 and later
Android The syntax that manages the Rectangle and the Color type is now available for Android applications.
New in version 24
Android The syntax that manages the Rectangle and the Color type is now available for Android applications.
Android The syntax that manages the Rectangle and the Color type is now available for Android applications.
// Initialize the drawing in an Image control
dStartDrawing(IMG_Drawing)
 
// Draw a rectangle whose background is light yellow
// and whose border is light blue
dRectangle(10, 10, 50, 50, LightYellow, LightBlue)
Versions 24 and later
iPhone/iPadUniversal Windows 10 AppWindows Mobile
// Draw a rectangle whose background is light yellow
// and whose border is light blue
dRectangle(IMG_Drawing, 10, 10, 50, 50, LightYellow, LightBlue)
New in version 24
iPhone/iPadUniversal Windows 10 AppWindows Mobile
// Draw a rectangle whose background is light yellow
// and whose border is light blue
dRectangle(IMG_Drawing, 10, 10, 50, 50, LightYellow, LightBlue)
iPhone/iPadUniversal Windows 10 AppWindows Mobile
// Draw a rectangle whose background is light yellow
// and whose border is light blue
dRectangle(IMG_Drawing, 10, 10, 50, 50, LightYellow, LightBlue)
Syntax

Drawing a rectangle by specifying the coordinates of rectangle Hide the details

dRectangle([<Image>, ] <X1> , <Y1> , <X2> , <Y2> [, <Background> [, <Line>]])
<Image>: Optional control name or optional Image, WDPic or picLayer variable
Versions 24 and later
AndroidiPhone/iPadUniversal Windows 10 AppWindows Mobile Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
    Windows Mobile This type of variable is not available.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
New in version 24
AndroidiPhone/iPadUniversal Windows 10 AppWindows Mobile Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
    Windows Mobile This type of variable is not available.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
AndroidiPhone/iPadUniversal Windows 10 AppWindows Mobile Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
    Windows Mobile This type of variable is not available.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
<X1>: Integer
X coordinate (in pixels) of top left corner of rectangle.
<Y1>: Integer
Y coordinate (in pixels) of top left corner of rectangle.
<X2>: Integer
X coordinate (in pixels) of bottom right corner of rectangle.
<Y2>: Integer
Y coordinate (in pixels) of bottom right corner of rectangle.
<Background>: Integer, constant or Background variable (optional)
  • Background color of rectangle. This color can be:
  • Characteristics of background:
    • Versions 21 and later
      iPhone/iPadUniversal Windows 10 AppWindows Mobile Background variable. In this case, the gradient defined in the variable is ignored.
      New in version 21
      iPhone/iPadUniversal Windows 10 AppWindows Mobile Background variable. In this case, the gradient defined in the variable is ignored.
      iPhone/iPadUniversal Windows 10 AppWindows Mobile Background variable. In this case, the gradient defined in the variable is ignored.
    • characteristics specified in the last call to dBackground if this parameter is not specified.
To use a gradient background color, call dRectangleGradient.
<Line>: Integer, constant or Border variable (optional)
  • Color of rectangle line. This color can be:
    • an RGB color (returned by RGB),
    • an HSL color (returned by HSL),
    • a preset color of WLanguage,
    • Versions 22 and later
      iPhone/iPadUniversal Windows 10 AppWindows Mobile a Color variable,
      New in version 22
      iPhone/iPadUniversal Windows 10 AppWindows Mobile a Color variable,
      iPhone/iPadUniversal Windows 10 AppWindows Mobile a Color variable,
    • identical to the color used for the background if this parameter is not specified and if dPen was not used.
  • Characteristics of the line:
    • Versions 21 and later
      iPhone/iPadWindows Mobile Border variable. In this case, only the following properties are taken into account:
      • Color: if the property corresponds to the ColorUndefined constant, the color defined during the last call to dPen is used. If this function was not used, the background color of the rectangle is used.
      • Thickness: if the property corresponds to the ThicknessUndefined constant, the thickness defined during the last call to dPen will be used. If this function was not used, the thickness is set to 1.
      • Line: if the property corresponds to the LineUndefined constant, the type of line defined during the last call to dPen will be used. If this function was not used, the line is a solid line.
      New in version 21
      iPhone/iPadWindows Mobile Border variable. In this case, only the following properties are taken into account:
      • Color: if the property corresponds to the ColorUndefined constant, the color defined during the last call to dPen is used. If this function was not used, the background color of the rectangle is used.
      • Thickness: if the property corresponds to the ThicknessUndefined constant, the thickness defined during the last call to dPen will be used. If this function was not used, the thickness is set to 1.
      • Line: if the property corresponds to the LineUndefined constant, the type of line defined during the last call to dPen will be used. If this function was not used, the line is a solid line.
      iPhone/iPadWindows Mobile Border variable. In this case, only the following properties are taken into account:
      • Color: if the property corresponds to the ColorUndefined constant, the color defined during the last call to dPen is used. If this function was not used, the background color of the rectangle is used.
      • Thickness: if the property corresponds to the ThicknessUndefined constant, the thickness defined during the last call to dPen will be used. If this function was not used, the thickness is set to 1.
      • Line: if the property corresponds to the LineUndefined constant, the type of line defined during the last call to dPen will be used. If this function was not used, the line is a solid line.
    • characteristics specified in the last call to dPen if this parameter is not specified.
AndroidiPhone/iPadUniversal Windows 10 AppWindows Mobile

Drawing a rectangle via a Rectangle variable Hide the details

dRectangle([<Image>, ] <Rectangle> [, <Background> [, <Line>]])
<Image>: Optional control name or optional Image, WDPic or picLayer variable
Versions 24 and later
AndroidiPhone/iPadUniversal Windows 10 AppWindows Mobile Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
    Windows Mobile This type of variable is not available.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
New in version 24
AndroidiPhone/iPadUniversal Windows 10 AppWindows Mobile Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
    Windows Mobile This type of variable is not available.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
AndroidiPhone/iPadUniversal Windows 10 AppWindows Mobile Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
    Windows Mobile This type of variable is not available.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
<Rectangle>: Rectangle variable
Name of the Rectangle variable defining the coordinates of the rectangle to draw.
<Background>: Integer, constant or Background variable (optional)
  • Background color of rectangle. This color can be:
  • Characteristics of background:
    • Background variable. In this case, the gradient defined in the variable is ignored.
      Android This type of variable is not available.
    • characteristics specified in the last call to dBackground if this parameter is not specified.
To use a gradient background color, call dRectangleGradient.
<Line>: Integer, constant or Border variable (optional)
  • Color of rectangle line. This color can be:
    • an RGB color (returned by RGB),
    • an HSL color (returned by HSL),
    • a preset color of WLanguage,
    • Versions 22 and later
      a Color variable,
      New in version 22
      a Color variable,
      a Color variable,
    • identical to the color used for the background if this parameter is not specified and if dPen was not used.
  • Characteristics of the line:
    • iPhone/iPadWindows Mobile Border variable. In this case, only the following properties are taken into account:
      • Color: if the property corresponds to the ColorUndefined constant, the color defined during the last call to dPen is used. If this function was not used, the background color of the rectangle is used.
      • Thickness: if the property corresponds to the ThicknessUndefined constant, the thickness defined during the last call to dPen is used. If this function was not used, the thickness is set to 1.
      • Line: if the property corresponds to the LineUndefined constant, the type of line defined during the last call to dPen will be used. If this function was not used, the line is a solid line.
    • characteristics specified in the last call to dPen if this parameter is not specified.
Remarks

Coordinates

The coordinates are given in relation to the top left corner of the image or Image control ((0, 0) coordinates).

Using the drawing functions

The drawing functions can be used according to 2 methods:
  • Method 1: Using dStartDrawing
    • dStartDrawing must be called before any other drawing function. dStartDrawing is used to define the element (Image control or variable) to which the drawing functions will be applied.
    • When drawing on an Image control:
      • The drawing functions operate on a copy ("bitmap") of the image. You can use the drawing functions of Windows (via API or CallDLL32) but these functions must use the DC (Device Context) returned by dStartDrawing.
      • dEndDrawing and dStartDrawing must not be called in the same process.
        The drawing will not be displayed if dEndDrawing and dStartDrawing are called in the same process: it will be automatically erased.
  • Versions 24 and later
    AndroidiPhone/iPadUniversal Windows 10 App Method 2: indicating the drawing target directly in the syntax (via a parameter)
    The <Image> parameter is used to specify directly the target of the drawing. dStartDrawing becomes useless. This function must be deleted.
    Versions 25 and later
    Android This syntax is now available.
    New in version 25
    Android This syntax is now available.
    Android This syntax is now available.
    New in version 24
    AndroidiPhone/iPadUniversal Windows 10 App Method 2: indicating the drawing target directly in the syntax (via a parameter)
    The <Image> parameter is used to specify directly the target of the drawing. dStartDrawing becomes useless. This function must be deleted.
    Versions 25 and later
    Android This syntax is now available.
    New in version 25
    Android This syntax is now available.
    Android This syntax is now available.
    AndroidiPhone/iPadUniversal Windows 10 App Method 2: indicating the drawing target directly in the syntax (via a parameter)
    The <Image> parameter is used to specify directly the target of the drawing. dStartDrawing becomes useless. This function must be deleted.
    Versions 25 and later
    Android This syntax is now available.
    New in version 25
    Android This syntax is now available.
    Android This syntax is now available.
Related Examples:
The drawing functions 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 : wd250pnt.dll
Minimum version required
  • Version 9
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