Exemplo n.º 1
0
        private void MakeBitmap()
        {
            if ((ActualWidth < 1) || (ActualHeight < 1))
            {
                return;
            }

            if (WbImageData == null)
            {
                return;
            }

            _writeableBmp = BitmapFactory.New((int)WbImageData.Width, (int)WbImageData.Height);
            RootImage.Source = _writeableBmp;

            using (_writeableBmp.GetBitmapContext())
            {

                XFactor = ActualWidth / WbImageData.BoundingRect.Width();
                YFactor = ActualHeight / WbImageData.BoundingRect.Height();

                foreach (var plotRectangle in WbImageData.FilledRectangles)
                {
                    _writeableBmp.FillRectangle(
                            XWindow(plotRectangle.X, WbImageData.BoundingRect.Left),
                            YWindow(plotRectangle.Y, ActualHeight, WbImageData.BoundingRect.Bottom),
                            XWindow(plotRectangle.X + plotRectangle.Width, WbImageData.BoundingRect.Left),
                            YWindow(plotRectangle.Y + plotRectangle.Height, ActualHeight, WbImageData.BoundingRect.Bottom),
                            plotRectangle.Val
                        );
                }

                foreach (var plotRectangle in WbImageData.OpenRectangles)
                {
                    _writeableBmp.DrawRectangle(
                            XWindow(plotRectangle.X, WbImageData.BoundingRect.Left),
                            YWindow(plotRectangle.Y, ActualHeight, WbImageData.BoundingRect.Bottom),
                            XWindow(plotRectangle.X + plotRectangle.Width, WbImageData.BoundingRect.Left),
                            YWindow(plotRectangle.Y + plotRectangle.Height, ActualHeight, WbImageData.BoundingRect.Bottom),
                            plotRectangle.Val
                        );
                }

                foreach (var plotLine in WbImageData.PlotLines)
                {
                    _writeableBmp.DrawLineAa(
                        XWindow(plotLine.X1, WbImageData.BoundingRect.Left),
                        YWindow(plotLine.Y1, ActualHeight, WbImageData.BoundingRect.Bottom),
                        XWindow(plotLine.X2, WbImageData.BoundingRect.Left),
                        YWindow(plotLine.Y2, ActualHeight, WbImageData.BoundingRect.Bottom),
                        plotLine.Val
                        );
                }

                foreach (var plotPoint in WbImageData.PlotPoints)
                {
                    _writeableBmp.FillRectangle(
                        XWindow(plotPoint.X, WbImageData.BoundingRect.Left),
                        YWindow(plotPoint.Y, ActualHeight, WbImageData.BoundingRect.Bottom),
                        XWindow(plotPoint.X + 1, WbImageData.BoundingRect.Left),
                        YWindow(plotPoint.Y + 1, ActualHeight, WbImageData.BoundingRect.Bottom),
                        plotPoint.Val
                        );
                }

            } // Invalidates on exit of using block
        }