public void Draw(Action <ICanvas2D, Point2> action)
{
var visual = new DrawingVisual();
var context = visual.RenderOpen();
var canvas2DFactory = new Canvas2DFactory(context);
using (var dc = canvas2DFactory.UsingCanvas2D(_RenderTarget.PixelWidth, _RenderTarget.PixelHeight))
{
action(dc, (_RenderTarget.PixelWidth, _RenderTarget.PixelHeight));
}
context.Close();
_RenderTarget.Render(visual);
}
public static void RenderWithCollect(this swm.Imaging.RenderTargetBitmap bitmap, swm.Visual visual)
{
bitmap.Render(visual);
// fix memory leak with RenderTargetBitmap. See http://stackoverflow.com/questions/14786490/wpf-memory-leak-using-rendertargetbitmap
// Reproducible with the
// GC.Collect alone seems to fix the issue. Adding GC.WaitForPendingFinalizers may impact performance.
GC.Collect();
}
public static void SaveToImage(System.Windows.FrameworkElement ui, string fileName, double scale = 1)
{
System.IO.FileStream fs = new System.IO.FileStream(fileName, System.IO.FileMode.Create);
System.Windows.Media.Imaging.RenderTargetBitmap bmp = new System.Windows.Media.Imaging.RenderTargetBitmap((int)(scale * ui.ActualWidth), (int)(scale * ui.ActualHeight), scale * 96, scale * 96, System.Windows.Media.PixelFormats.Pbgra32);
bmp.Render(ui);
System.Windows.Media.Imaging.BitmapEncoder encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(bmp));
encoder.Save(fs);
fs.Close();
}
public void DrawStringTest()
{
const int ColumnCount = 10;
const int MaxDrawCount = 30; // use int.MaxValue to draw them all
const double fontSize = 50d;
// the height of each cell has to include over/under hanging glyphs
var cellSize = new Size(fontSize, fontSize * _glyphTypeface.Height);
var glyphs = from glyphIndex in _glyphTypeface.CharacterToGlyphMap.Values select _glyphTypeface.GetGlyphOutline(glyphIndex, fontSize, 1d);
// now create the visual we'll draw them to
var dv = new System.Windows.Media.DrawingVisual();
var drawCount = -1;
using (var dc = dv.RenderOpen())
{
foreach (var g in glyphs)
{
drawCount++;
if (drawCount >= MaxDrawCount)
{
break; // don't draw more than you want
}
if (g.IsEmpty())
{
continue; // don't draw the blank ones
}
// center horizontally in the cell
var xOffset = (drawCount % ColumnCount) * cellSize.Width + (cellSize.Width - g.Bounds.Width) / 2d;
// place the character on the baseline of the cell
var yOffset = (drawCount / ColumnCount) * cellSize.Height + fontSize * _glyphTypeface.Baseline;
dc.PushTransform(new System.Windows.Media.TranslateTransform(xOffset, yOffset));
dc.DrawGeometry(System.Windows.Media.Brushes.Red, null, g);
dc.Pop(); // get rid of the transform
}
}
var rowCount = drawCount / ColumnCount;
if (drawCount % ColumnCount != 0)
{
rowCount++; // to include partial rows
}
var bitWidth = (int)Math.Ceiling(cellSize.Width * ColumnCount);
var bitHeight = (int)Math.Ceiling(cellSize.Height * rowCount);
var bmp = new System.Windows.Media.Imaging.RenderTargetBitmap(bitWidth, bitHeight, 96, 96, System.Windows.Media.PixelFormats.Pbgra32);
bmp.Render(dv);
var encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(bmp));
using (var file = new FileStream("FontTable.png", FileMode.Create)) encoder.Save(file);
}
private ToolStripMenuItem SetFonts()
{
ToolStripMenuItem menuItem = new ToolStripMenuItem("Insert Font");
List <string> fonts = new List <string>();
foreach (System.Windows.Media.FontFamily font in System.Windows.Media.Fonts.SystemFontFamilies) //WPF fonts
{
fonts.Add(font.FamilyNames.Values.First());
}
fonts.Sort();
foreach (string fontName in fonts)
{
Bitmap bmp = null;
try
{
int size = 20;
//bmp = new Bitmap(4 * size, 5 * size / 4);
//Graphics g = Graphics.FromImage(bmp);
//g.SmoothingMode = SmoothingMode.HighQuality;
//g.InterpolationMode = InterpolationMode.HighQualityBicubic;
//g.PixelOffsetMode = PixelOffsetMode.HighQuality;
//g.DrawString("Basic", new Font(new FontFamily(fontName), size, FontStyle.Regular, GraphicsUnit.Pixel), Brushes.Black, 1, 1);
System.Windows.Media.DrawingVisual dv = new System.Windows.Media.DrawingVisual();
using (System.Windows.Media.DrawingContext dc = dv.RenderOpen())
{
dc.DrawRectangle(System.Windows.Media.Brushes.White, null, new System.Windows.Rect(0, 0, 4 * size, 5 * size / 4));
dc.DrawText(new System.Windows.Media.FormattedText("Basic", System.Globalization.CultureInfo.InvariantCulture,
System.Windows.FlowDirection.LeftToRight, new System.Windows.Media.Typeface(fontName), size,
System.Windows.Media.Brushes.Black), new System.Windows.Point(1, 1));
}
System.Windows.Media.Imaging.RenderTargetBitmap rtb = new System.Windows.Media.Imaging.RenderTargetBitmap(4 * size, 5 * size / 4, 96, 96, System.Windows.Media.PixelFormats.Pbgra32);
rtb.Render(dv);
rtb.Freeze();
MemoryStream stream = new MemoryStream();
System.Windows.Media.Imaging.BitmapEncoder encoder = new System.Windows.Media.Imaging.BmpBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(rtb));
encoder.Save(stream);
bmp = new Bitmap(stream);
}
catch
{
}
ToolStripMenuItem item = new ToolStripMenuItem(fontName, bmp, Insert);
item.ImageScaling = ToolStripItemImageScaling.None;
menuItem.DropDownItems.Add(item);
}
return(menuItem);
}
static void convert(double dpi, string path, string out_path)
{
double scale = dpi / 96.0;
System.Windows.Xps.Packaging.XpsDocument xpsDoc =
new System.Windows.Xps.Packaging.XpsDocument(
path, System.IO.FileAccess.Read);
if (xpsDoc == null)
{
throw new System.Exception("XpsDocumentfailed");
}
System.Windows.Documents.FixedDocumentSequence docSeq =
xpsDoc.GetFixedDocumentSequence();
if (docSeq == null)
{
throw new System.Exception("GetFixedDocumentSequence failed");
}
System.Windows.Documents.DocumentReferenceCollection drc = docSeq.References;
int index = 0;
foreach (System.Windows.Documents.DocumentReference dr in drc)
{
System.Windows.Documents.FixedDocument dp = dr.GetDocument(false);
foreach (System.Windows.Documents.PageContent pc in dp.Pages)
{
System.Windows.Documents.FixedPage fixedPage = pc.GetPageRoot(false);
double width = fixedPage.Width;
double height = fixedPage.Height;
System.Windows.Size sz = new System.Windows.Size(width, height);
fixedPage.Measure(sz);
fixedPage.Arrange(
new System.Windows.Rect(new System.Windows.Point(), sz));
fixedPage.UpdateLayout();
System.Windows.Media.Imaging.BitmapImage bitmap =
new System.Windows.Media.Imaging.BitmapImage();
System.Windows.Media.Imaging.RenderTargetBitmap renderTarget =
new System.Windows.Media.Imaging.RenderTargetBitmap(
ceil(scale * width), ceil(scale * height), dpi, dpi,
System.Windows.Media.PixelFormats.Default);
renderTarget.Render(fixedPage);
System.Windows.Media.Imaging.BitmapEncoder encoder =
new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(
System.Windows.Media.Imaging.BitmapFrame.Create(renderTarget));
string filename = string.Format("{0}_{1}.png", out_path, index);
System.IO.FileStream pageOutStream = new System.IO.FileStream(
filename, System.IO.FileMode.Create, System.IO.FileAccess.Write);
encoder.Save(pageOutStream);
pageOutStream.Close();
System.Console.WriteLine(filename);
++index;
}
}
}
public static void RenderWithCollect(this swm.Imaging.RenderTargetBitmap bitmap, swm.Visual visual)
{
bitmap.Render(visual);
// fix memory leak with RenderTargetBitmap. See http://stackoverflow.com/questions/14786490/wpf-memory-leak-using-rendertargetbitmap
// Reproducible with the
// GC.Collect alone seems to fix the issue. Adding GC.WaitForPendingFinalizers may impact performance.
// Note: this may no longer be an issue with the latest version of .NET after some testing, however
// we keep it here to keep memory in check, but instead make it non-blocking so it doesn't cause a huge
// performance penalty creating many Bitmaps with a Graphics object.
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced, false);
}
public System.Drawing.Bitmap RenderSingleCharacter(ushort glyphIndex, System.Drawing.Color backColor, System.Drawing.Color foreColor, int fontSize)
{
try
{
var geometry = _glyphTypeface.GetGlyphOutline(glyphIndex, fontSize, 1);
var advanceWidth = _glyphTypeface.AdvanceWidths[glyphIndex];
var cellSize = new Size(fontSize, fontSize * _glyphTypeface.Height);
var offsetX = advanceWidth * cellSize.Width;
var offsetY = fontSize * _glyphTypeface.Baseline;
var drawingVisual = new System.Windows.Media.DrawingVisual();
var brush = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromArgb(foreColor.A, foreColor.R, foreColor.G, foreColor.B));
var pen = new System.Windows.Media.Pen();
using (var dc = drawingVisual.RenderOpen())
{
dc.PushTransform(new System.Windows.Media.TranslateTransform(0, offsetY));
dc.DrawGeometry(brush, null, geometry);
dc.Pop(); // get rid of the transform
}
var bitWidth = (int)Math.Ceiling(offsetX);
var bitHeight = (int)Math.Ceiling(cellSize.Height);
var targetImage = new System.Windows.Media.Imaging.RenderTargetBitmap(bitWidth, bitHeight, Dpi, Dpi, System.Windows.Media.PixelFormats.Pbgra32);
targetImage.Render(drawingVisual);
var bmpEncoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
bmpEncoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(targetImage));
var bmp = new System.Drawing.Bitmap(bitWidth, bitHeight);
bmp.SetResolution(Dpi, Dpi);
using (var graphics = System.Drawing.Graphics.FromImage(bmp))
{
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.Clear(backColor);
using (var ms = new MemoryStream())
{
bmpEncoder.Save(ms);
graphics.DrawImage(System.Drawing.Image.FromStream(ms), new System.Drawing.PointF(0, 0));
}
graphics.Save();
}
return(bmp);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return(null);
}
}
static void convert(double dpi, string path, string out_path)
{
double scale = dpi / 96.0;
System.Windows.Xps.Packaging.XpsDocument xpsDoc =
new System.Windows.Xps.Packaging.XpsDocument(
path, System.IO.FileAccess.Read);
if (xpsDoc == null) {
throw new System.Exception("XpsDocumentfailed");
}
System.Windows.Documents.FixedDocumentSequence docSeq =
xpsDoc.GetFixedDocumentSequence();
if (docSeq == null) {
throw new System.Exception("GetFixedDocumentSequence failed");
}
System.Windows.Documents.DocumentReferenceCollection drc = docSeq.References;
int index = 0;
foreach (System.Windows.Documents.DocumentReference dr in drc) {
System.Windows.Documents.FixedDocument dp = dr.GetDocument(false);
foreach (System.Windows.Documents.PageContent pc in dp.Pages) {
System.Windows.Documents.FixedPage fixedPage = pc.GetPageRoot(false);
double width = fixedPage.Width;
double height = fixedPage.Height;
System.Windows.Size sz = new System.Windows.Size(width, height);
fixedPage.Measure(sz);
fixedPage.Arrange(
new System.Windows.Rect(new System.Windows.Point(), sz));
fixedPage.UpdateLayout();
System.Windows.Media.Imaging.BitmapImage bitmap =
new System.Windows.Media.Imaging.BitmapImage();
System.Windows.Media.Imaging.RenderTargetBitmap renderTarget =
new System.Windows.Media.Imaging.RenderTargetBitmap(
ceil(scale * width), ceil(scale * height), dpi, dpi,
System.Windows.Media.PixelFormats.Default);
renderTarget.Render(fixedPage);
System.Windows.Media.Imaging.BitmapEncoder encoder =
new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(
System.Windows.Media.Imaging.BitmapFrame.Create(renderTarget));
string filename = string.Format("{0}_{1}.png", out_path, index);
System.IO.FileStream pageOutStream = new System.IO.FileStream(
filename, System.IO.FileMode.Create, System.IO.FileAccess.Write);
encoder.Save(pageOutStream);
pageOutStream.Close();
System.Console.WriteLine(filename);
++index;
}
}
}
// Do printing to a set of bitmaps using the XPS/WPF path. This is used for testing support.
public System.Windows.Media.Imaging.BitmapSource[] PrintXpsBitmaps(float dpi)
{
// Set up and position everything.
printingToBitmaps = true;
printPreviewInProgress = false;
SetupPrinting();
if (totalPages <= 0)
{
return(new System.Windows.Media.Imaging.BitmapSource[0]);
}
PrintEventArgs printArgs = new PrintEventArgs();
List <System.Windows.Media.Imaging.BitmapSource> bitmapList = new List <System.Windows.Media.Imaging.BitmapSource>();
BeginPrint(this, printArgs);
float paperWidth = pageSettings.PaperSize.Width, paperHeight = pageSettings.PaperSize.Height;
if (pageSettings.Landscape)
{
float temp = paperWidth; paperWidth = paperHeight; paperHeight = temp;
}
var paginator = new Paginator(this, 0, new SizeF(paperWidth, paperHeight), pageSettings.Margins, dpi, false);
for (int pageNumber = 0; pageNumber < paginator.PageCount; ++pageNumber)
{
DocumentPage docPage = paginator.GetPage(pageNumber);
paperWidth = (float)PointsToHundreths(docPage.Size.Width);
paperHeight = (float)PointsToHundreths(docPage.Size.Height);
var bitmapNew = new System.Windows.Media.Imaging.RenderTargetBitmap(
(int)Math.Round(paperWidth * dpi / 100F),
(int)Math.Round(paperHeight * dpi / 100F),
dpi, dpi, System.Windows.Media.PixelFormats.Pbgra32);
bitmapNew.Render(docPage.Visual);
bitmapNew.Freeze();
bitmapList.Add(bitmapNew);
}
EndPrint(this, printArgs);
return(bitmapList.ToArray());
}
private void DrawToImage(FrameworkElement element)
{
element.Measure(new System.Windows.Size(double.PositiveInfinity, double.PositiveInfinity));
element.Arrange(new Rect(element.DesiredSize));
System.Windows.Media.Imaging.RenderTargetBitmap bitmap = new System.Windows.Media.Imaging.RenderTargetBitmap((int)element.ActualWidth, (int)element.ActualHeight,
120.0, 120.0, System.Windows.Media.PixelFormats.Pbgra32);
bitmap.Render(element);
System.Windows.Media.Imaging.BitmapEncoder encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(bitmap));
using (Stream s = File.OpenWrite(@"C:\555.png"))
{
encoder.Save(s);
}
}
public static void GenerateImage(System.Windows.Controls.Viewbox control, Stream result)
{
//Set background to white
//control.Background = System.Windows.Media.Brushes.White;
System.Windows.Size controlSize = RetrieveDesiredSize(control);
System.Windows.Rect rect = new System.Windows.Rect(0, 0, controlSize.Width, controlSize.Height);
System.Windows.Media.Imaging.RenderTargetBitmap rtb = new System.Windows.Media.Imaging.RenderTargetBitmap((int)controlSize.Width, (int)controlSize.Height, IMAGE_DPI, IMAGE_DPI, PixelFormats.Pbgra32);
control.Arrange(rect);
rtb.Render(control);
System.Windows.Media.Imaging.PngBitmapEncoder png = new System.Windows.Media.Imaging.PngBitmapEncoder();
png.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(rtb));
png.Save(result);
}
/// <summary>
/// Converts the framework element to drawing visual.
/// </summary>
/// <param name="element">The framework element that must be converted.</param>
/// <param name="size">The size of the diagram.</param>
/// <returns>A new DrawingVisual with the Diagram.</returns>
internal static System.Windows.Media.DrawingVisual DrawingVisualFromFrameworkElement(System.Windows.FrameworkElement element, System.Windows.Size size)
{
System.Windows.Media.DrawingVisual dv = new System.Windows.Media.DrawingVisual();
System.Windows.Media.Imaging.RenderTargetBitmap renderBitmap = new System.Windows.Media.Imaging.RenderTargetBitmap(
(int)size.Width,
(int)size.Height,
96D,
96D,
System.Windows.Media.PixelFormats.Default);
renderBitmap.Render(element);
using (System.Windows.Media.DrawingContext context = dv.RenderOpen())
{
context.DrawImage(renderBitmap, new System.Windows.Rect(size));
}
return dv;
}
/// <summary>
/// Função privada para converter a o Chart para imagem
/// </summary>
/// <param name="visual">Objeto que deseja salvar em tipo PNG</param>
/// <param name="filename">Onde será salvo</param>
/// <param name="encoder">Tipo de codificação da imagem</param>
private static void EncodeVisual(FrameworkElement visual, string filename, System.Windows.Media.Imaging.BitmapEncoder encoder)
{
try
{
// Os itens 96 e 74 deve-se ser modificado conforme a necessidade da imagem.
var bitmap = new System.Windows.Media.Imaging.RenderTargetBitmap((int)visual.ActualWidth, (int)visual.ActualHeight, 96, 74, PixelFormats.Pbgra32);
bitmap.Render(visual);
var frame = System.Windows.Media.Imaging.BitmapFrame.Create(bitmap);
encoder.Frames.Add(frame);
using (var stream = File.Create(filename)) encoder.Save(stream);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error Message");
}
}
// Sources
//https://stackoverflow.com/questions/20623126/inkcanvas-to-bitmap
//https://stackoverflow.com/a/554455
public void UpdateThumbnail()
{
// TODO : Fix align?
int margin = (int)Canvas.Margin.Left;
int width = (int)Canvas.ActualWidth;
int height = (int)Canvas.ActualHeight;
//render ink to bitmap
System.Windows.Media.Imaging.RenderTargetBitmap renderBitmap =
new System.Windows.Media.Imaging.RenderTargetBitmap(width, height, 96d, 96d, PixelFormats.Default);
renderBitmap.Render(Canvas);
using (System.IO.MemoryStream memStream = new System.IO.MemoryStream())
{
System.Windows.Media.Imaging.JpegBitmapEncoder encoder = new System.Windows.Media.Imaging.JpegBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(renderBitmap));
encoder.Save(memStream);
string b64 = Convert.ToBase64String(memStream.ToArray());
networkManager.PostThumbnail(Username, SessionId, SocketManager.SessionID, b64);
}
}
public static System.Windows.Media.Imaging.BitmapSource Generate(HDT.Hearthstone.Deck deck, bool cardsOnly)
{
const int CardHeight = 35;
const int InfoHeight = 124;
const int ScreenshotWidth = 219;
const int Dpi = 96;
var height = CardHeight * deck.GetSelectedDeckVersion().Cards.Count;
if (!cardsOnly)
{
height += InfoHeight;
}
var control = new HDT.Controls.DeckView(deck, cardsOnly);
control.Measure(new System.Windows.Size(ScreenshotWidth, height));
control.Arrange(new System.Windows.Rect(new System.Windows.Size(ScreenshotWidth, height)));
control.UpdateLayout();
//Log.Debug($"Screenshot: {control.ActualWidth} x {control.ActualHeight}");
var bmp = new System.Windows.Media.Imaging.RenderTargetBitmap(ScreenshotWidth, height, Dpi, Dpi, System.Windows.Media.PixelFormats.Pbgra32);
bmp.Render(control);
return(bmp);
}
/*
* // Windows Forms版 TODO: 直書きあり
* public static void DrawString(string str, double fontSize)
* {
* var window = System.Windows.Application.Current.MainWindow;
*
* double[] glDoubleColor = new double[4];
* GL.GetDouble(GetPName.CurrentColor, glDoubleColor);
* byte glR = (byte)(glDoubleColor[0] * 255);
* byte glG = (byte)(glDoubleColor[1] * 255);
* byte glB = (byte)(glDoubleColor[2] * 255);
* byte glA = (byte)(glDoubleColor[3] * 255); //255;
* var glColor = System.Drawing.Color.FromArgb(glA, glR, glG, glB);
* System.Drawing.Brush foreground = new System.Drawing.SolidBrush(glColor);
*
* //var font = new System.Drawing.Font("Arial", 12);
* //var font = new System.Drawing.Font(window.FontFamily.Source, (int)window.FontSize);
* // 1 point = 1 / 72.0 inch = (1 / 72.0) * 96 = 1.333333 pixel
* var font = new System.Drawing.Font(window.FontFamily.Source, (int)(fontSize / 1.333333));
* // サイズ取得用に生成
* var bmp = new System.Drawing.Bitmap(1, 1, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
* System.Drawing.SizeF size;
* using (var g = System.Drawing.Graphics.FromImage(bmp))
* {
* g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
*
* size = g.MeasureString(str, font);
* }
*
* // 再生成
* {
* int width = (int)size.Width;
* //int height = (int)size.Height;
* // TODO: テキストのY座標がずれている : 画像の高さが大きすぎる
* int height = (int)(size.Height * 0.75);
* bmp = new System.Drawing.Bitmap(width, height,
* System.Drawing.Imaging.PixelFormat.Format32bppArgb);
* }
*
* using (var g = System.Drawing.Graphics.FromImage(bmp))
* {
* g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
*
* g.DrawString(str, font, foreground, new System.Drawing.Point(0, 0));
* }
*
* // check
* //bmp.Save("1.bmp");
*
* // 上下反転する
* bmp.RotateFlip(System.Drawing.RotateFlipType.RotateNoneFlipY);
*
* var bitmapData = bmp.LockBits(new System.Drawing.Rectangle(0, 0, bmp.Width, bmp.Height),
* System.Drawing.Imaging.ImageLockMode.ReadOnly,
* System.Drawing.Imaging.PixelFormat.Format32bppArgb);
* int bmpWidth = bitmapData.Width;
* int bmpHeight = bitmapData.Height;
*
* bool isTexture = GL.IsEnabled(EnableCap.Texture2D);
* bool isBlend = GL.IsEnabled(EnableCap.Blend);
* GL.Enable(EnableCap.Texture2D);
* GL.Enable(EnableCap.Blend);
* GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
*
* int texture = GL.GenTexture();
* GL.BindTexture(TextureTarget.Texture2D, texture);
* GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter,
* (int)TextureMinFilter.Linear);
* GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter,
* (int)TextureMagFilter.Linear);
* GL.TexImage2D(TextureTarget.Texture2D, 0,
* PixelInternalFormat.Rgba,
* bmpWidth, bmpHeight, 0,
* PixelFormat.Bgra, PixelType.UnsignedByte, bitmapData.Scan0);
*
* GL.PushMatrix();
* OpenTK.Matrix4d m;
* GL.GetDouble(GetPName.ModelviewMatrix, out m);
* //GL.Translate(0, 0, -m.M14);
* GL.Scale(1.0 / m.M11, 1.0 / m.M22, 1.0 / m.M33);
* GL.Scale(FontScale, FontScale, 1.0); // TODO: これを計算で求める必要がある
*
* GL.Begin(PrimitiveType.Quads);
* GL.TexCoord2(0, 0);
* GL.Vertex2(0, 0);
*
* GL.TexCoord2(1, 0);
* GL.Vertex2(bmpWidth, 0);
*
* GL.TexCoord2(1, 1);
* GL.Vertex2(bmpWidth, bmpHeight);
*
* GL.TexCoord2(0, 1);
* GL.Vertex2(0, bmpHeight);
* GL.End();
* GL.PopMatrix();
*
* bmp.UnlockBits(bitmapData);
*
* if (!isTexture)
* {
* GL.Disable(EnableCap.Texture2D);
* }
* if (!isBlend)
* {
* GL.Disable(EnableCap.Blend);
* }
* }
*/
// WPF版 TODO: 直書きあり
public static void DrawString(string str, double fontSize)
{
var window = System.Windows.Application.Current.MainWindow;
double[] glDoubleColor = new double[4];
GL.GetDouble(GetPName.CurrentColor, glDoubleColor);
var glColor = new System.Windows.Media.Color();
glColor.R = (byte)(glDoubleColor[0] * 255);
glColor.G = (byte)(glDoubleColor[1] * 255);
glColor.B = (byte)(glDoubleColor[2] * 255);
glColor.A = (byte)(glDoubleColor[3] * 255); //255;
System.Windows.Media.Brush foreground = new System.Windows.Media.SolidColorBrush(glColor);
//System.Windows.Media.Brush foreground = window.Foreground;
var text = new System.Windows.Media.FormattedText(
str,
new System.Globalization.CultureInfo("en-us"),
System.Windows.FlowDirection.LeftToRight,
new System.Windows.Media.Typeface(
window.FontFamily,
System.Windows.FontStyles.Normal,
System.Windows.FontWeights.Normal,
new System.Windows.FontStretch()),
fontSize, //window.FontSize,
foreground);
var drawingVisual = new System.Windows.Media.DrawingVisual();
using (System.Windows.Media.DrawingContext drawingContext = drawingVisual.RenderOpen())
{
drawingContext.DrawText(text, new System.Windows.Point(0, 0));
}
System.Windows.Media.Imaging.RenderTargetBitmap bmp = null;
{
int width = (int)text.Width;
int height = (int)text.Height;
int dpiX = 96;
int dpiY = 96;
bmp = new System.Windows.Media.Imaging.RenderTargetBitmap(
width, height, dpiX, dpiY, System.Windows.Media.PixelFormats.Pbgra32);
}
bmp.Render(drawingVisual);
int bmpWidth = bmp.PixelWidth;
int bmpHeight = bmp.PixelHeight;
int stride = bmpWidth * 4;
byte[] tmpbits = new byte[stride * bmpHeight];
var rectangle = new System.Windows.Int32Rect(0, 0, bmpWidth, bmpHeight);
bmp.CopyPixels(rectangle, tmpbits, stride, 0);
// 上下反転する
byte[] bits = new byte[stride * bmpHeight];
for (int h = 0; h < bmpHeight; h++)
{
for (int w = 0; w < stride; w++)
{
bits[h * stride + w] = tmpbits[(bmpHeight - 1 - h) * stride + w];
}
}
// check
//var png = new System.Windows.Media.Imaging.PngBitmapEncoder();
//png.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(bmp));
//using (var fs = new FileStream("1.png", FileMode.Create))
//{
// png.Save(fs);
//}
bool isTexture = GL.IsEnabled(EnableCap.Texture2D);
bool isBlend = GL.IsEnabled(EnableCap.Blend);
GL.Enable(EnableCap.Texture2D);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
int texture = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, texture);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter,
(int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter,
(int)TextureMagFilter.Linear);
GL.TexImage2D(TextureTarget.Texture2D, 0,
PixelInternalFormat.Rgba,
bmpWidth, bmpHeight, 0,
PixelFormat.Bgra, PixelType.UnsignedByte, bits);
GL.PushMatrix();
OpenTK.Matrix4d m;
GL.GetDouble(GetPName.ModelviewMatrix, out m);
GL.Scale(1.0 / m.M11, 1.0 / m.M22, 1.0 / m.M33);
GL.Scale(FontScale, FontScale, 1.0); // TODO: これを計算で求める必要がある
GL.Begin(PrimitiveType.Quads);
GL.TexCoord2(0, 0);
GL.Vertex2(0, 0);
GL.TexCoord2(1, 0);
GL.Vertex2(bmpWidth, 0);
GL.TexCoord2(1, 1);
GL.Vertex2(bmpWidth, bmpHeight);
GL.TexCoord2(0, 1);
GL.Vertex2(0, bmpHeight);
GL.End();
GL.PopMatrix();
if (!isTexture)
{
GL.Disable(EnableCap.Texture2D);
}
if (!isBlend)
{
GL.Disable(EnableCap.Blend);
}
}
// Do printing to a set of bitmaps using the XPS/WPF path. This is used for testing support.
public System.Windows.Media.Imaging.BitmapSource[] PrintXpsBitmaps(float dpi)
{
// Set up and position everything.
printingToBitmaps = true;
printPreviewInProgress = false;
SetupPrinting();
if (totalPages <= 0)
return new System.Windows.Media.Imaging.BitmapSource[0];
PrintEventArgs printArgs = new PrintEventArgs();
List<System.Windows.Media.Imaging.BitmapSource> bitmapList = new List<System.Windows.Media.Imaging.BitmapSource>();
BeginPrint(this, printArgs);
float paperWidth = pageSettings.PaperSize.Width, paperHeight = pageSettings.PaperSize.Height;
if (pageSettings.Landscape) {
float temp = paperWidth; paperWidth = paperHeight; paperHeight = temp;
}
var paginator = new Paginator(this, 0, new SizeF(paperWidth, paperHeight), pageSettings.Margins, dpi, false);
for (int pageNumber = 0; pageNumber < paginator.PageCount; ++pageNumber) {
DocumentPage docPage = paginator.GetPage(pageNumber);
paperWidth = (float)PointsToHundreths(docPage.Size.Width);
paperHeight = (float)PointsToHundreths(docPage.Size.Height);
var bitmapNew = new System.Windows.Media.Imaging.RenderTargetBitmap(
(int) Math.Round(paperWidth * dpi / 100F),
(int) Math.Round(paperHeight * dpi / 100F),
dpi, dpi, System.Windows.Media.PixelFormats.Pbgra32);
bitmapNew.Render(docPage.Visual);
bitmapNew.Freeze();
bitmapList.Add(bitmapNew);
}
EndPrint(this, printArgs);
return bitmapList.ToArray();
}
public static void CreateRemappedRasterFromVector(string xamlFile, System.Windows.Media.Color newColor, System.IO.Stream stream, double height, double width, string dynamicText)
{
string remapBase = "ReMapMe_";
int max = 3;
int index = 0;
int missed = 0;
Object temp = null;
string dynamText = "DynamicText";
System.Windows.Controls.Canvas theVisual = System.Windows.Markup.XamlReader.Load(new System.IO.FileStream(xamlFile, System.IO.FileMode.Open)) as System.Windows.Controls.Canvas;
if (null == theVisual)
{
return;
}
System.Windows.Size size = new System.Windows.Size(width, height);
System.Windows.Media.DrawingVisual drawingVisual = new System.Windows.Media.DrawingVisual();
System.Windows.Media.VisualBrush visualBrush = new System.Windows.Media.VisualBrush(theVisual);
System.Windows.Rect rect = new System.Windows.Rect(new System.Windows.Point(), size);
while (missed < max)
{
string elementid = remapBase + index;
temp = theVisual.FindName(elementid);
if (null == temp)
{
missed++;
index++;
continue;
}
System.Windows.Media.SolidColorBrush scb = ((temp as System.Windows.Shapes.Path).Fill as System.Windows.Media.SolidColorBrush);
System.Windows.Media.Color c = scb.Color;
c.B = newColor.B;
c.R = newColor.R;
c.G = newColor.G;
scb.Color = c;
index++;
}
theVisual.Arrange(rect);
theVisual.UpdateLayout();
using (System.Windows.Media.DrawingContext dc = drawingVisual.RenderOpen())
{
dc.DrawRectangle(visualBrush, null, rect);
}
if (!dynamText.IsNullOrWhitespace())
{
temp = theVisual.FindName(dynamText);
if (null != temp)
{
//do dynamic text shit
}
}
System.Windows.Media.Imaging.RenderTargetBitmap render = new System.Windows.Media.Imaging.RenderTargetBitmap((int)height, (int)width, 96, 96, System.Windows.Media.PixelFormats.Pbgra32);
render.Render(drawingVisual);
System.Windows.Media.Imaging.PngBitmapEncoder encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(render));
encoder.Save(stream);
stream.Flush();
stream.Close();
visualBrush = null;
drawingVisual = null;
theVisual = null;
render = null;
encoder = null;
}
public System.Windows.Media.Imaging.RenderTargetBitmap CaptureSnapshot()
{
System.Windows.Media.Imaging.RenderTargetBitmap renderTarget = new System.Windows.Media.Imaging.RenderTargetBitmap((int)DisplayGrid.ActualWidth, (int)DisplayGrid.ActualHeight, 96, 96, PixelFormats.Pbgra32);
renderTarget.Render(DisplayGrid);
return(renderTarget);
}
public Bitmap Shadow(Bitmap src, Color color, int width, double opacity = 0.6f, double angle = 315)
{
Bitmap result = new Bitmap(src);
#region Get DPI
float dpiX = 96f;
float dpiY = 96f;
using (Graphics g = Graphics.FromHwnd(IntPtr.Zero))
{
dpiX = g.DpiX;
dpiY = g.DpiY;
}
#endregion
int offset = 4 * width;
#region Create Effect
var effect = new Media.Effects.DropShadowEffect();
effect.BlurRadius = width;
effect.Color = color.ToMediaColor();
effect.Direction = angle;
effect.Opacity = opacity;
effect.ShadowDepth = width;
//var effect = new Media.Effects.BlurEffect();
//effect.Radius = 50;
#endregion
#region Draw source bitmap to DrawingVisual
Media.DrawingVisual drawingVisual = new Media.DrawingVisual();
drawingVisual.Effect = effect;
using (var drawingContext = drawingVisual.RenderOpen())
{
System.Windows.Rect dRect = new System.Windows.Rect(2 * width, 2 * width, src.Width, src.Height);
drawingContext.DrawImage(src.ToBitmapSource(), dRect);
drawingContext.Close();
}
#endregion
#region Render the DrawingVisual into a RenderTargetBitmap
var rtb = new Media.Imaging.RenderTargetBitmap(
src.Width + offset, src.Height + offset,
dpiX, dpiY,
Media.PixelFormats.Pbgra32);
rtb.Render(drawingVisual);
#endregion
#region Create a System.Drawing.Bitmap
var bitmap = new Bitmap(rtb.PixelWidth, rtb.PixelHeight, PixelFormat.Format32bppArgb);
#endregion
#region Copy the RenderTargetBitmap pixels into the bitmap's pixel buffer
var pdata = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.WriteOnly,
bitmap.PixelFormat);
rtb.CopyPixels(System.Windows.Int32Rect.Empty,
pdata.Scan0, pdata.Stride * pdata.Height, pdata.Stride);
bitmap.UnlockBits(pdata);
#endregion
#region Crop Transparent Area
var rect = bitmap.ContentBound();
result = new Bitmap(rect.Width, rect.Height, bitmap.PixelFormat);
using (var g = Graphics.FromImage(result))
{
g.DrawImage(bitmap, 0, 0, rect, GraphicsUnit.Pixel);
}
#endregion
return(result);
}
public Bitmap Shader(Bitmap src, double radius = 10)
{
Bitmap result = new Bitmap(src);
#region Get DPI
float dpiX = 96f;
float dpiY = 96f;
using (Graphics g = Graphics.FromHwnd(IntPtr.Zero))
{
dpiX = g.DpiX;
dpiY = g.DpiY;
}
#endregion
int width = (int)Math.Ceiling(radius);
int offset = 4 * width;
#region Create Effect
var effect = new MyShaderEffect();
//Media.Effects.ShaderRenderMode = Media.Effects.ShaderRenderMode.Auto;
//effect.
#endregion
#region Draw source bitmap to DrawingVisual
Media.DrawingVisual drawingVisual = new Media.DrawingVisual();
drawingVisual.Effect = effect;
using (var drawingContext = drawingVisual.RenderOpen())
{
//drawingContext.PushEffect( new Media.Effects.BlurBitmapEffect(), null );
System.Windows.Rect dRect = new System.Windows.Rect(2 * width, 2 * width, src.Width, src.Height);
drawingContext.DrawImage(src.ToBitmapSource(), dRect);
drawingContext.Close();
}
#endregion
#region Render the DrawingVisual into a RenderTargetBitmap
var rtb = new Media.Imaging.RenderTargetBitmap(
src.Width + offset, src.Height * offset,
dpiX, dpiY,
Media.PixelFormats.Pbgra32);
rtb.Render(drawingVisual);
#endregion
#region Create a System.Drawing.Bitmap
var bitmap = new Bitmap(rtb.PixelWidth, rtb.PixelHeight, PixelFormat.Format32bppArgb);
#endregion
#region Copy the RenderTargetBitmap pixels into the bitmap's pixel buffer
var pdata = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.WriteOnly,
bitmap.PixelFormat);
rtb.CopyPixels(System.Windows.Int32Rect.Empty,
pdata.Scan0, pdata.Stride * pdata.Height, pdata.Stride);
bitmap.UnlockBits(pdata);
#endregion
#region Crop Opaque
var rect = bitmap.ContentBound();
rect.Width = rect.Width < 0 ? 1 : rect.Width + 2;
rect.Height = rect.Height < 0 ? 1 : rect.Height + 2;
result = new Bitmap(rect.Width, rect.Height, bitmap.PixelFormat);
using (var g = Graphics.FromImage(result))
{
g.DrawImage(bitmap, 0, 0, rect, GraphicsUnit.Pixel);
}
#endregion
return(result);
}
/// <summary>
/// 渲染字符串
/// </summary>
/// <param name="previewText"></param>
/// <param name="backColor">背景色</param>
/// <param name="foreColor">前景色</param>
/// <param name="fontSize">font size in pixel</param>
/// <returns></returns>
public System.Drawing.Bitmap RenderString(string previewText, System.Drawing.Color backColor, System.Drawing.Color foreColor, int fontSize)
{
try
{
if (string.IsNullOrWhiteSpace(previewText))
{
if (_glyphTypeface.FamilyNames.Count == 0)
{
previewText = "no name";
}
else if (_glyphTypeface.FamilyNames.ContainsKey(CultureInfo.CurrentCulture))
{
previewText = _glyphTypeface.FamilyNames[CultureInfo.CurrentCulture];
}
else
{
previewText = _glyphTypeface.FamilyNames[_glyphTypeface.FamilyNames.Keys.First()];
}
}
var glyphIndexList = GetGlyphIndexList(previewText);
if (glyphIndexList.Count <= 0)
{
return(null);
}
var geometryList = glyphIndexList.Select(glyphIndex => _glyphTypeface.GetGlyphOutline(glyphIndex, fontSize, 1d)).ToList();
var advanceWidthList = glyphIndexList.Select(glyphIndex => _glyphTypeface.AdvanceWidths[glyphIndex]).ToList();
var cellSize = new Size(fontSize, fontSize * _glyphTypeface.Height);
var offsetX = 0d;
var offsetY = fontSize * _glyphTypeface.Baseline;
var drawingVisual = new System.Windows.Media.DrawingVisual();
var brush = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Color.FromRgb(foreColor.R, foreColor.G, foreColor.B));
//var pen = new System.Windows.Media.Pen(brush, 0);
using (var dc = drawingVisual.RenderOpen())
{
for (var i = 0; i < geometryList.Count; i++)
{
var geometry = geometryList[i];
var advanceWidth = advanceWidthList[i];
//if (geometry.IsEmpty()) continue;
dc.PushTransform(new System.Windows.Media.TranslateTransform(offsetX, offsetY));
dc.DrawGeometry(brush, null, geometry);
dc.Pop(); // get rid of the transform
offsetX += advanceWidth * cellSize.Width;
}
}
var bitWidth = (int)Math.Ceiling(offsetX);
var bitHeight = (int)Math.Ceiling(cellSize.Height);
var targetImage = new System.Windows.Media.Imaging.RenderTargetBitmap(bitWidth, bitHeight, Dpi, Dpi, System.Windows.Media.PixelFormats.Pbgra32);
targetImage.Render(drawingVisual);
var bmpEncoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
bmpEncoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(targetImage));
//redraw to Bitmap
var bmp = new System.Drawing.Bitmap(bitWidth, bitHeight);
bmp.SetResolution(Dpi, Dpi);
using (var graphics = System.Drawing.Graphics.FromImage(bmp))
{
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.Clear(backColor);
using (var ms = new MemoryStream())
{
bmpEncoder.Save(ms);
graphics.DrawImage(System.Drawing.Image.FromStream(ms), new System.Drawing.PointF(0, 0));
}
graphics.Save();
}
return(bmp);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return(null);
}
}
///<summary>生成3D模型</summary>
public void genModel()
{
//数据初始化
//定义参数
double maxX3D = parent.para.Limit.X, maxY3D = parent.para.Limit.Y, maxZ3D = parent.para.Limit.Z; // 3D场景最大坐标
int xcount = 12, zcount = 24, xcountData, zcountData = 25;
// x y 方向数目，x为月数，z为小时数,其中，xcount表征月分，xcountData为数据的x方向个数
//zcount为0-23点，但zcountData为0-24点，多一个数据，同理，xcount中，增加一个数，全年下为12.31日
xcountData = samplePoints.GroupBy(p => p.zDate.Date).Count();
MeshGeometry3D mesh = new MeshGeometry3D();
double devx = maxX3D / (xcount), devy = maxY3D / parent.maxYValue, devz = maxZ3D / (zcount);
allpoint = new Point3D[xcountData, zcountData];
double tx, tz;
int di, dj;
di = 0;
DateTime olddate = samplePoints.OrderBy(p => p.zDate).First().zDate.Date;
foreach (var e in samplePoints.OrderBy(p => p.zDate))
{
//di = e.zDate.Month - 1;
if (e.zDate.Date != olddate)
{
di++;
olddate = e.zDate.Date;
}
dj = e.zDate.Hour;
allpoint[di, dj] = new Point3D((double)((e.zDate - parent.startDate).TotalDays - 1) / ((parent.endDate - parent.startDate).TotalDays - 1) * maxX3D, devy * (double)e.zValue, -devz * dj);
if (dj == 0) //赋第24点，以本日0代替
{
allpoint[di, zcountData - 1] = new Point3D((double)((e.zDate - parent.startDate).TotalDays - 1) / ((parent.endDate - parent.startDate).TotalDays - 1) * maxX3D, devy * (double)e.zValue, -devz * (zcountData - 1));
}
}
allpoint = insertZPoint(allpoint, 2); //z插点
allpoint = insertXPoint(allpoint, 2); //x插点
for (int i = 0; i < allpoint.GetLength(0); i++) //加positions
{
for (int j = 0; j < allpoint.GetLength(1); j++)
{
mesh.Positions.Add(allpoint[i, j]);
tx = 1.0 * i / allpoint.GetLength(0);
tz = 1.0 * j / allpoint.GetLength(1);
mesh.TextureCoordinates.Add(new Point(tx, tz));
}
}
for (int i = 0; i < allpoint.GetLength(0) - 1; i++) // 加三角索引
{
for (int j = 0; j < allpoint.GetLength(1) - 1; j++)
{
mesh.TriangleIndices.Add(j + i * allpoint.GetLength(1));
mesh.TriangleIndices.Add(j + (i + 1) * allpoint.GetLength(1));
mesh.TriangleIndices.Add(j + 1 + i * allpoint.GetLength(1));
mesh.TriangleIndices.Add(j + 1 + i * allpoint.GetLength(1));
mesh.TriangleIndices.Add(j + (i + 1) * allpoint.GetLength(1));
mesh.TriangleIndices.Add(j + 1 + (i + 1) * allpoint.GetLength(1));
}
}
//=============== 曲面材质
Canvas panelLine = new Canvas();
panelLine.Width = devx * (parent.endDate - parent.startDate).TotalDays;
panelLine.Height = devz * 23 * 30;
//色变化说明：最高255,0,0最低0,255,0；从低到高变化顺序1:R 0->255,2:G 255->0;
double x, y, maxy = 10, miny = 0, maxh = panelLine.Height, maxw = panelLine.Width;
double w = maxw / (allpoint.GetLength(0) - 1), h = maxh / (allpoint.GetLength(1) - 1);
double v;
Color c1, c2;
byte cr, cg, cb = 0;
maxy = 0; miny = 10000;
for (int i = 0; i < allpoint.GetLength(0) - 1; i++)
{
for (int j = 0; j < allpoint.GetLength(1) - 1; j++)
{
if (allpoint[i, j].Y > maxy)
{
maxy = allpoint[i, j].Y;
}
if (allpoint[i, j].Y < miny)
{
miny = allpoint[i, j].Y;
}
}
}
Point3D lastpoint = allpoint[allpoint.GetLength(0) - 1, allpoint.GetLength(1) - 1];
for (int i = 0; i < allpoint.GetLength(0) - 1; i++)
{
for (int j = 0; j < allpoint.GetLength(1) - 1; j++)
{
x = allpoint[i, j].X / lastpoint.X * maxw;
y = allpoint[i, j].Z / lastpoint.Z * maxh;
w = (allpoint[i + 1, j].X - allpoint[i, j].X) / lastpoint.X * maxw;
double temp = 1;// .2;//新疆怪需求，人为加大最大值，以避免纯红
v = (allpoint[i, j].Y - miny) / (maxy * temp - miny) * 511;
cr = v > 255 ? (byte)255 : (byte)v;
cg = v > 255 ? (byte)(255 - (v - 256)) : (byte)255;
c1 = Color.FromRgb(cr, cg, cb);
v = (allpoint[i + 1, j + 1].Y - miny) / (maxy * temp - miny) * 511;
cr = v > 255 ? (byte)255 : (byte)v;
cg = v > 255 ? (byte)(255 - (v - 256)) : (byte)255;
c2 = Color.FromRgb(cr, cg, cb);
RectangleGeometry rect = new RectangleGeometry(new Rect(x, y, w, h));
rect.Freeze();
Path pr = new Path();
pr.Data = rect;
LinearGradientBrush cbrush = new LinearGradientBrush(c1, c2, new Point(0, 0), new Point(1, 1));
pr.Fill = cbrush;
pr.StrokeThickness = 0;
panelLine.Children.Add(pr);
}
}
panelLine.Measure(new System.Windows.Size(h, w));
panelLine.Arrange(new Rect(0, 0, h, w));
System.Windows.Media.Imaging.RenderTargetBitmap renderTarget = new System.Windows.Media.Imaging.RenderTargetBitmap((int)panelLine.Width, (int)panelLine.Height, 96, 96, PixelFormats.Pbgra32);
renderTarget.Render(panelLine);
renderTarget.Freeze();
curveBrush = new ImageBrush(renderTarget);
DiffuseMaterial mat = new DiffuseMaterial(curveBrush);
mat.Freeze();
model = new GeometryModel3D(mesh, mat);
model.BackMaterial = mat;
}