Class pwlib.tools.pencil
The drawing pencil.
Defined in: pencil.js.
| Constructor Attributes | Constructor Name and Description |
|---|---|
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pwlib.tools.pencil(app)
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| Field Attributes | Field Name and Description |
|---|---|
| <private> <inner> |
Holds the points needed to be drawn.
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| <private> <inner> |
The interval ID used for running the pencil drawing operation every few
milliseconds.
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| <private> <inner> |
Holds the last point on the x axis of the image, for the current
drawing operation.
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| <private> <inner> |
Holds the last point on the y axis of the image, for the current
drawing operation.
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| Method Attributes | Method Name and Description |
|---|---|
|
Tool deactivation event handler.
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draw()
Draw the points in the stack.
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keydown(ev)
Allows the user to press Escape to cancel the drawing operation.
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Initialize the drawing operation.
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Save the mouse coordinates in the array.
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mouseup()
End the drawing operation, once the user releases the mouse button.
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Class Detail
pwlib.tools.pencil(app)
- Parameters:
- {PaintWeb} app
- Reference to the main paint application object.
Field Detail
<private> <inner>
{Array}
points
Holds the points needed to be drawn. Each point is added by the
mousemove event handler.
<private> <inner>
timer
The interval ID used for running the pencil drawing operation every few
milliseconds.
- See:
- PaintWeb.config.toolDrawDelay
<private> <inner>
{Number}
x0
Holds the last point on the x axis of the image, for the current
drawing operation.
<private> <inner>
{Number}
y0
Holds the last point on the y axis of the image, for the current
drawing operation.
Method Detail
deactivate()
Tool deactivation event handler.
draw()
Draw the points in the stack. This function is called every few
milliseconds.
- See:
- PaintWeb.config.toolDrawDelay
{Boolean}
keydown(ev)
Allows the user to press Escape to cancel the drawing operation.
- Parameters:
- {Event} ev
- The DOM Event object.
- Returns:
- {Boolean} True if the drawing operation was cancelled, or false if not.
mousedown()
Initialize the drawing operation.
mousemove()
Save the mouse coordinates in the array.
mouseup()
End the drawing operation, once the user releases the mouse button.