public void DrawPreview(Graphics vGraphics, Rectangle vImageRect, float pPreviewZoom)
{
var vCenter33 = PositionUtm32.Transform(33);
var vOrigoUtm33 = vCenter33.Move(-vImageRect.Width / 2.0 / Setup.PixelsPerMeter * pPreviewZoom, vImageRect.Height / 2.0 / Setup.PixelsPerMeter * pPreviewZoom);
var vBottomRightUtm33 = vCenter33.Move(vImageRect.Width / 2.0 / Setup.PixelsPerMeter * pPreviewZoom, -vImageRect.Height / 2.0 / Setup.PixelsPerMeter * pPreviewZoom);
var vBounds = new UtmBounds(
vOrigoUtm33, vBottomRightUtm33
);
var vTask = DownloadAllImagesAsync(vBounds);
DrawMap(vGraphics, pPreviewZoom, vBounds);
vGraphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
vGraphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
vGraphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
SizeF vLabelRectSizeUtm = new SizeF(30F, 20F);
SizeF vLabelRectSizeLatLong = new SizeF(40F, 20F);
if (Setup.ShowUtmGrid)
{
DrawUtmGrid(vGraphics, vOrigoUtm33, vBottomRightUtm33, pPreviewZoom, vLabelRectSizeUtm);
}
if (Setup.ShowLatLonGrid)
{
DrawLatLongGrid(vGraphics, vOrigoUtm33, vBottomRightUtm33, pPreviewZoom, vLabelRectSizeLatLong);
}
RectangleF vPaperRect = new RectangleF();
vPaperRect.Size = GetImageSize();
vPaperRect.Width /= (float)pPreviewZoom;
vPaperRect.Height /= (float)pPreviewZoom;
vPaperRect.Offset((vImageRect.Width - vPaperRect.Width) / 2F, (vImageRect.Height - vPaperRect.Height) / 2F);
var vPaperPen = new Pen(Color.Green, 5F);
vGraphics.DrawRectangle(vPaperPen, vPaperRect.X, vPaperRect.Y, vPaperRect.Width, vPaperRect.Height);
if (Setup.ShowCrossHair)
{
DrawCrossHair(vGraphics, vCenter33, vOrigoUtm33, pPreviewZoom);
}
if (Setup.RadiusR25.HasValue)
{
DrawRadius(vGraphics, vCenter33, vOrigoUtm33, Setup.RadiusR25.Value, pPreviewZoom);
}
if (Setup.RadiusR50.HasValue)
{
DrawRadius(vGraphics, vCenter33, vOrigoUtm33, Setup.RadiusR50.Value, pPreviewZoom);
}
}
public async Task <Bitmap> CreateBitmapAsync(UtmBounds pBounds)
{
await DownloadAllImagesAsync(pBounds); // new UtmBounds(OrigoUtm33, BottomRigthUtm33));
var vResult = await Task <Bitmap> .Run(() =>
{
var vImageSize = new Size((int)((BottomRigthUtm33.Easting - OrigoUtm33.Easting + Setup.TileSizeInMeters) * Setup.PixelsPerMeter), (int)((OrigoUtm33.Northing - BottomRigthUtm33.Northing) * Setup.PixelsPerMeter)); // GetImageSize();
Bitmap vBitmap = new Bitmap(vImageSize.Width, vImageSize.Height);
Graphics vGraphics = Graphics.FromImage(vBitmap);
vGraphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
vGraphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
vGraphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
DrawMap(vGraphics);
vGraphics.Dispose();
var vRescaledSize = GetImageSize();
Bitmap vRescaledBitmap = new Bitmap(vRescaledSize.Width, vRescaledSize.Height);
Graphics vRescaledGraphics = Graphics.FromImage(vRescaledBitmap);
vRescaledGraphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
vRescaledGraphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
vRescaledGraphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
vRescaledGraphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
var vCenterUtm33 = PositionUtm32.Transform(33);
var vNewOrigo = vCenterUtm33.Move(-vRescaledSize.Width / Setup.PixelsPerMeter / 2.0, vRescaledSize.Height / Setup.PixelsPerMeter / 2.0);
var vNewBottomRight = vCenterUtm33.Move(vRescaledSize.Width / Setup.PixelsPerMeter / 2.0, -vRescaledSize.Height / Setup.PixelsPerMeter / 2.0);
var vOffset = Utm33ToBitmapPosition(vNewOrigo, OrigoUtm33);
vRescaledGraphics.DrawImage(vBitmap, -vOffset.X, -vOffset.Y);
vBitmap.Dispose();
SizeF vLabelRectSizeUtm = new SizeF((float)(Setup.PixelsPerMeter * 30.0 * Setup.ScaleAndTileSize.Scale / 5000.0), (float)(Setup.PixelsPerMeter * 20.0 * Setup.ScaleAndTileSize.Scale / 5000.0));
SizeF vLabelRectSizeLatLong = new SizeF((float)(Setup.PixelsPerMeter * 40.0 * Setup.ScaleAndTileSize.Scale / 5000.0), (float)(Setup.PixelsPerMeter * 20.0 * Setup.ScaleAndTileSize.Scale / 5000.0));
if (Setup.ShowUtmGrid)
{
DrawUtmGrid(vRescaledGraphics, vNewOrigo, vNewBottomRight, 1F, vLabelRectSizeUtm);
}
if (Setup.ShowLatLonGrid)
{
DrawLatLongGrid(vRescaledGraphics, vNewOrigo, vNewBottomRight, 1F, vLabelRectSizeLatLong);
}
var vNewCenter = new UtmPosition(33, vNewOrigo.Easting + (vNewBottomRight.Easting - vNewOrigo.Easting) / 2.0, vNewBottomRight.Northing + (vNewOrigo.Northing - vNewBottomRight.Northing) / 2.0);
if (Setup.RadiusR25.HasValue)
{
DrawRadius(vRescaledGraphics, vNewCenter, vNewOrigo, Setup.RadiusR25.Value, 1f);
}
if (Setup.RadiusR50.HasValue)
{
DrawRadius(vRescaledGraphics, vNewCenter, vNewOrigo, Setup.RadiusR50.Value, 1f);
}
if (Setup.ShowCrossHair)
{
DrawCrossHair(vRescaledGraphics, vNewCenter, vNewOrigo, 1f);
}
vRescaledGraphics.DrawRectangle(Pens.Black, 0f, 0f, vRescaledSize.Width - 1f, vRescaledSize.Height - 1f);
return(vRescaledBitmap);
});
return(vResult);
}