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  • Using the drawing functions
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Stored procedures
Draws a rounded rectangle:
  • in an Image control,
  • in an Image variable.
Linux Caution: A specific configuration is required to use this function in Linux. See The drawings for more details.
Example
// Initialize the drawing in an Image control
dStartDrawing(IMG_Drawing)

// Draw a rounded rectangle whose background is light yellow
// and whose border is light blue
dRoundedRectangle(10, 10, 50, 50, 3, LightYellow, LightBlue)
Versions 24 and later
WINDEVUser code (UMC)
// Draw a rounded rectangle whose background is light yellow
// and whose border is light blue
dRoundedRectangle(IMG_Drawing, 10, 10, 50, 50, 3, LightYellow, LightBlue)
New in version 24
WINDEVUser code (UMC)
// Draw a rounded rectangle whose background is light yellow
// and whose border is light blue
dRoundedRectangle(IMG_Drawing, 10, 10, 50, 50, 3, LightYellow, LightBlue)
WINDEVUser code (UMC)
// Draw a rounded rectangle whose background is light yellow
// and whose border is light blue
dRoundedRectangle(IMG_Drawing, 10, 10, 50, 50, 3, LightYellow, LightBlue)
Syntax

Drawing a rounded rectangle by specifying the coordinates of the rectangle and the diameter of corners Hide the details

dRoundedRectangle([<Image>, ] <X1> , <Y1> , <X2> , <Y2> , <Corner diameter> [, <Background> [, <Line>]])
<Image>: Optional control name or optional Image variable
Versions 24 and later
WindowsLinuxUser code (UMC) Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
New in version 24
WindowsLinuxUser code (UMC) Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
WindowsLinuxUser code (UMC) Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
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.
<Corner diameter>: Integer
Diameter of rectangle corners.
<Background>: Integer or Integer constant (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.
    • 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:If this parameter is not specified:
  • color specified in the last call to dPen.
  • color identical to the color used for the background if dPen was not used.

Drawing a rounded rectangle by specifying the coordinates of the rectangle and the border type Hide the details

dRoundedRectangle([<Image>, ] <X1> , <Y1> , <X2> , <Y2> , <Border> [, <Background>])
<Image>: Name of the Image control or variable
Versions 24 and later
WindowsLinuxUser code (UMC) Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
New in version 24
WindowsLinuxUser code (UMC) Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
WindowsLinuxUser code (UMC) Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
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.
<Border>: Border variable
Name of Border variable defining the rectangle characteristics. Only the following properties are taken into account:
  • Round: If the property corresponds to the RoundingUndefined constant, no rounding is performed.
  • 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.
<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.
    • characteristics specified in the last call to dBackground if this parameter is not specified.
To use a gradient background color, call dRectangleGradient.

Drawing a rounded rectangle via a Rectangle variable by specifying the diameter of corners Hide the details

dRoundedRectangle([<Image>, ] <Rectangle> , <Corner diameter> [, <Background> [, <Line>]])
<Image>: Name of the Image control or variable
Versions 24 and later
WindowsLinuxUser code (UMC) Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
New in version 24
WindowsLinuxUser code (UMC) Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
WindowsLinuxUser code (UMC) Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
<Rectangle>: Rectangle variable
Name of Rectangle variable that defines the coordinates of the rectangle to draw.
<Corner diameter>: Integer
Diameter of rectangle corners.
<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.
    • 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:If this parameter is not specified:
  • color specified in the last call to dPen.
  • color identical to the color used for the background if dPen was not used.

Drawing a rounded rectangle via a Rectangle variable and a Border variable Hide the details

dRoundedRectangle([<Image>, ] <Rectangle> , <Border> [, <Background>])
<Image>: Name of the Image control or variable
Versions 24 and later
WindowsLinuxUser code (UMC) Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
New in version 24
WindowsLinuxUser code (UMC) Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
WindowsLinuxUser code (UMC) Image to use. This image can correspond to:
  • the name of an Image control.
  • the name of an Image variable.
If this parameter is not specified, it is necessary to define the drawing destination with dStartDrawing.
<Rectangle>: Rectangle variable
Name of Rectangle variable defining the coordinates of the rectangle to draw.
<Border>: Border variable
Name of Border variable defining the rectangle characteristics. Only the following properties are taken into account:
  • Round: If the property corresponds to the RoundingUndefined constant, no rounding is performed.
  • Color: if the property corresponds to the ColorUndefined constant, the color specified 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 specified 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 specified during the last call to dPen is used. If this function was not used, the line is a solid line.
<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.
    • characteristics specified in the last call to dBackground if this parameter is not specified.
To use a gradient background color, call dRectangleGradient.
Remarks

Coordinates

The coordinates are specified in relation to the top left corner of the Image control (coordinates set to (0,0)).

Using the drawing functions

The drawing functions can be used according to 2 methods:
  • Method 1: Using dDrawing
    • dStartDrawing must be called before any other drawing function. dStartDrawing is used to define the element (Image control or Image variable) onto 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
    WindowsLinuxUser code (UMC) 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.
    New in version 24
    WindowsLinuxUser code (UMC) 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.
    WindowsLinuxUser code (UMC) 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.
Component : wd240pnt.dll
See also
Minimum version required
  • Version 21
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