private void startPrinting()
{
currentState = printState.PRINTING;
statusLabel.Text = "Printing!";
currentPrintPoint = 0;
sendPoint();
}
private void preparePointsForPrinting(SizeF paperSize)
{
// tell the printViewer what the paper size was
printViewer.paperBottomRight = new PointF(paperSize.Width, paperSize.Height);
// search through the points for the min x, min y, max x, max y;
float minX, maxX, minY, maxY;
minX = maxX = printMaterial[0].X;
minY = maxY = printMaterial[0].Y;
for (int i = 0; i < printMaterial.Count; i++)
{
PointF p = printMaterial[i];
if (p.X > maxX)
{
maxX = p.X;
}
if (p.X < minX)
{
minX = p.X;
}
if (p.Y > maxY)
{
maxY = p.Y;
}
if (p.Y < minY)
{
minY = p.Y;
}
}
float drawingWidth = maxX - minX;
float drawingHeight = maxY - minY;
float widthRatio = paperSize.Width / (float)drawingWidth;
float heightRatio = paperSize.Height / (float)drawingHeight;
float scaleFactor = Math.Min(widthRatio, heightRatio);
float paperCenterX = paperSize.Width / 2;
float paperCenterY = paperSize.Height / 2;
float drawingCenterX = (drawingWidth / 2) + minX;
float drawingCenterY = (drawingHeight / 2) + minY;
for (int i = 0; i < printMaterial.Count; i++)
{
PointF p = printMaterial[i];
printMaterial[i] = new PointF(((p.X - drawingCenterX) * scaleFactor) + paperCenterX, ((p.Y - drawingCenterY) * scaleFactor) + paperCenterY);
}
printViewer.printPoints = printMaterial;
printViewer.currentDrawState = PrintViewControl.drawState.ALL_POINTS;
printViewer.Invalidate();
currentState = printState.READY_TO_PRINT;
statusLabel.Text = "Ready To Print";
}
private void topLeftPointSetCallback(List <string> responses)
{
this.Invoke((MethodInvoker) delegate
{
waitingForSerialResponse = false;
currentState = printState.NEEDS_MOVE_BOTTOM_RIGHT;
statusLabel.Text = "Move Printer To Bottom Right";
printViewer.paperTopLeft = new PointF(0, 0);
printViewer.currentDrawState = PrintViewControl.drawState.TOP_LEFT;
printViewer.Invalidate();
});
}