| Properties |
Almost all properties
of the DrawXtra cast member can be easily set in the Properties Dialog
box, which is displayed when you double-click the cast member icon in
the cast window. These properties can also be set via Lingo.
canvasWidth
- the width of the DrawXtra canvas.
Example: put
the canvasWidth of member "canvas"
-- 400
canvasHeight
- the height of the DrawXtra canvas.
Example: put
the canvasHeight of member "canvas"
-- 300
canvasDepth
- (read-only) the color depth of the DrawXtra canvas.
Example: put
the canvaDepth of member "canvas"
-- 16
canvasFont
- the font used when drawing text.
Example: set the
canvasFont of member "canvas" to "Times"
canvasFontSize
- the size of the font used when drawing text.
Example: set the
canvasFontSize of member "canvas" to 18
canvasPenSize
- the thickness of the line used when drawing.
Example: set the
canvasPenSize of member "canvas" to 2
drawingMode
- the drawingMode controls the drawing operation that will take place in
interactive drawing. Possible values are:
"nothing"
"line"
"framedRectangle"
"filledRectangle"
"framedEllipse"
"filledEllipse"
"framedSquare"
"filledSquare"
"framedCircle"
"filledCircle"
"framedRoundRect"
"filledRoundRect"
"singleArrow"
"doubleArrow"
"fill"
"text"
"freehandLine"
Example: set
the drawingMode of member "canvas" to "freehandline"
autoRedraw
- enables automatic redrawing of the canvas during algorhitmic drawing.
When disabled the user must call the Redraw() function after each drawing
operation.
Example: set the
autoRedraw of member "canvas" to 1
connectFreehandLines
- when enabled DrawXtra will automatically connect the points captured
when drawing a freehand line in order to keep up with fast drawing. Works
better with smaller pen sizes.
Example: set the
connectFreehandLines of member "canvas" to 1
trackingcolor - a packed color used to track user interaction
in interactive drawing.
Example: set the
trackingcolor of member "canvas" to 65536.
canvasColor
- the packed color representing the color of the empty canvas.
Example: set
the canvascolor of member "canvas" to 0.
fillColorProtection
- enables protection of a packed color during fill operations.
Example: set
the fillColorProtection of member "canvas" to 1
protectedColor - a packed color that will be preserved during
fill operations.
Example: set
the protectedcolor of member "canvas" to 0
trapEvents
- must be enabled for the canvas to respond to events that occur
over it, including interactive drawing operations.
Example: set
the protectedcolor of member "canvas" to 1
arrowHeadAngle
- the angle of the arrowhead used when drawing with the "singleArrow" and
"doubleArrow" drawing modes.
Example: set the
arrowHeadAngle of member "canvas" to 60
arrowHeadLength
- the length of the arrowhead used when drawing with the "singleArrow" and
"doubleArrow" drawing modes.
Example: set the
arrowHeadLength of member "canvas" to 10
roundedRectCornerWidth - the amount of "roundness" applied to
the width of the shape when drawing with the "framedRoundRect" and "filledRoundRect"
modes.
Example: set the
roundedRectCornerWidth of member "canvas" to 20
roundedRectCornerHeight
- the amount of "roundness" applied to the height of the shape when drawing
with the "framedRoundRect" and "filledRoundRect" modes.
Example: set the roundedRectCornerHeight of member "canvas" to 20
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