func (c *Canvas) drawErrorMessage(m string) {
	c.ctx.SetFillColor(c.ErrorColor)
	c.ctx.FillText(m,
		c.draw.usedMin.x+10*c.draw.tileLength,
		c.draw.unusedMin.y-c.draw.textOffset)
}
// drawErrorMEssage draws the specified message at the top of the canvas
drawErrorMEssage draws the specified message at the top of the canvas
// drawErrorMEssage draws the specified message at the top of the canvas
func (c *Canvas) drawErrorMessage(m string) {
	c.ctx.SetFillColor(c.ErrorColor)
	c.ctx.FillText(m,
		c.draw.usedMin.x+10*c.draw.tileLength,
		c.draw.unusedMin.y-c.draw.textOffset)
}
func ( c * Canvas ) drawErrorMessage ( m string ) { c . ctx . SetFillColor ( c . ErrorColor ) c . ctx . FillText ( m , c . draw . usedMin . x + 10 * c . draw . tileLength , c . draw . unusedMin . y - c . draw . textOffset ) }
drawErrorMEssage draws the specified message at the top of the canvas
drawErrorMEssage draws the specified message at the top of the canvas