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  • Drawing a circle in an Image control
Drawing a circle in an Image control
The following code is used to draw a circle in an Image control (IMG_ImageDrawing). The coordinates of the rectangle into which the circle will be drawn are entered by the user in edit controls (EDT_X1, EDT_Y1, EDT_X2, EDT_Y2). The background color and the line color of the circle are selected by the user via two radio buttons (RADIO_SelectBackground and RADIO_SelectLine).
// Declare the variables
BackgroundColor is int
LineColor is int

// Declare the drawing in the "IMG_ImageDrawing" control
dStartDrawing(IMG_ImageDrawing)

// Retrieve the selected background color
SWITCH RADIO_SelectBackground
CASE 1: BackgroundColor = LightRed
CASE 2: BackgroundColor = LightBlue
CASE 3: BackgroundColor = LightGreen
CASE 4: BackgroundColor = LightYellow
END

// Retrieve the selected line color
SWITCH RADIO_SelectLine
CASE 1: LineColor = LightRed
CASE 2: LineColor = LightBlue
CASE 3: LineColor = LightGreen
CASE 4: LineColor = LightYellow
END

// Draw the circle
dCircle(EDT_X1, EDT_Y1, EDT_X2, EDT_Y2, BackgroundColor, LineColor)
Minimum version required
  • Version 9
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