private void grpxView_Paint(object sender, PaintEventArgs e)
{
var stringFormat = new StringFormat
{
Alignment = StringAlignment.Center,
LineAlignment = StringAlignment.Center
};
if (_helperDevice == null)
{
e.Graphics.DrawString("没有合适的LayoutHelperDevice", SystemFonts.DefaultFont, Brushes.Blue, e.ClipRectangle, stringFormat);
return;
}
try
{
e.Graphics.DrawString("11111111111115555555555555555555555555555555555", SystemFonts.DefaultFont, Brushes.Blue, e.ClipRectangle, stringFormat);
//var props = _helperDevice.Properties;
//if (props.Contains("WindowHDC")) // Check if property is supported
// props.AtPut("WindowHDC", new RxVariant(e.Graphics.GetHdc())); // hWindowDC necessary for Bitmap device
_helperDevice.OnSize(e.ClipRectangle);
_helperDevice.Update();
e.Graphics.DrawString("333333333333333333333", SystemFonts.DefaultFont, Brushes.Blue, e.ClipRectangle, stringFormat);
e.Graphics.ReleaseHdc();
}
catch (System.Exception ex)
{
e.Graphics.DrawString(ex.ToString(), SystemFonts.DefaultFont, Brushes.Red, e.ClipRectangle);
}
}
public static void SVG_export(Database database)
{
SaveFileDialog sfd = new SaveFileDialog();
sfd.AddExtension = true;
sfd.DefaultExt = "svg";
sfd.Filter = "SVG files (*.svg)|*.svg";
if (sfd.ShowDialog() == DialogResult.OK)
{
// SVG export is a rendering device too
using (GsModule gsModule = (GsModule)SystemObjects.DynamicLinker.LoadModule("TD_SvgExport.tx", false, true))
{
if (gsModule == null) // if SVG export module is not found
{
return;
}
// create graphics device
using (Teigha.GraphicsSystem.Device dev = gsModule.CreateDevice())
{
using (FileStreamBuf outStr = new FileStreamBuf(sfd.FileName, false, FileShareMode.DenyWrite, FileCreationDisposition.CreateAlways))
{
// setup device properties
using (Dictionary props = dev.Properties)
{
// SVG export uses stream output
props.AtPut("Output", outStr);
// lines may look thin - may be scaled
props.AtPut("LineWeightScale", new RxVariant(1.0));
// number of digits after decimal point in the output file
props.AtPut("Precision", new RxVariant(6));
// place to put images (may be relative path)
props.AtPut("ImageBase", new RxVariant(System.IO.Path.GetDirectoryName(sfd.FileName)));
// missing font
props.AtPut("GenericFontFamily", new RxVariant("sans-serif"));
// software HLR engine enabled
props.AtPut("UseHLR", new RxVariant(true));
// whether to use blended gradients for complex gradient fill (may increase size)
props.AtPut("EnableGouraudShading", new RxVariant(true));
}
dev.SetLogicalPalette(Device.LightPalette); // light palette with white background
ContextForDbDatabase ctx = new ContextForDbDatabase(database);
ctx.SetPlotGeneration(true);
LayoutHelperDevice hd = LayoutHelperDevice.SetupActiveLayoutViews(dev, ctx);
// size is SVG viewbox
hd.OnSize(new System.Drawing.Rectangle(0, 0, 1024, 768));
hd.Update();
}
}
}
}
}
private void button1_Click(object sender, EventArgs e)
{
if (DialogResult.OK == openFileDialog.ShowDialog())
{
using (GsModule gsModule = (GsModule)SystemObjects.DynamicLinker.LoadModule("WinDirectX.txv", false, true))
{
// create graphics device
using (Teigha.GraphicsSystem.Device dev = gsModule.CreateBitmapDevice())
{
// setup device properties
using (Dictionary props = dev.Properties)
{
props.AtPut("BitPerPixel", new RxVariant(int.Parse(comboBox1.Text)));
}
ContextForDbDatabase ctx = new ContextForDbDatabase(database);
ctx.PaletteBackground = colorDialog.Color;
LayoutHelperDevice helperDevice = LayoutHelperDevice.SetupActiveLayoutViews(dev, ctx);
helperDevice.SetLogicalPalette(Device.LightPalette); // light palette
Rectangle rect = new Rectangle(0, 0, (int)numericUpDownWidth.Value, (int)numericUpDownHeight.Value);
helperDevice.OnSize(rect);
ctx.SetPlotGeneration(checkBoxPlotGeneration.Checked);
if (ctx.IsPlotGeneration)
{
helperDevice.BackgroundColor = colorDialog.Color;
}
else
{
helperDevice.BackgroundColor = Color.FromArgb(0, 173, 174, 173);
}
helperDevice.Update();
if (DialogResult.OK == saveFileDialog.ShowDialog())
{
Export_Import.ExportBitmap(helperDevice, saveFileDialog.FileName);
Close();
}
}
}
}
}