private (System.IO.Stream, string fileExtension) StreamFromBitmapSource(System.Windows.Media.Imaging.BitmapSource bmpSource)
{
var pngStream = new System.IO.MemoryStream();
var pngEncoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
var pngFrame = System.Windows.Media.Imaging.BitmapFrame.Create(bmpSource);
pngEncoder.Frames.Add(pngFrame);
pngEncoder.Save(pngStream);
pngStream.Seek(0, System.IO.SeekOrigin.Begin);
var jpgStream = new System.IO.MemoryStream();
var jpgEncoder = new System.Windows.Media.Imaging.JpegBitmapEncoder();
var jpgFrame = System.Windows.Media.Imaging.BitmapFrame.Create(bmpSource);
jpgEncoder.Frames.Add(jpgFrame);
jpgEncoder.Save(jpgStream);
jpgStream.Seek(0, System.IO.SeekOrigin.Begin);
var stream = pngStream.Length < jpgStream.Length ? pngStream : jpgStream;
var strExt = pngStream.Length < jpgStream.Length ? ".png" : ".jpg";
var altStream = pngStream.Length < jpgStream.Length ? jpgStream : pngStream;
altStream.Dispose();
return(stream, strExt);
}
void SaveImage()
{
Rect rect = new Rect(rectangleCopy.Margin.Left, rectangleCopy.Margin.Top, rectangleCopy.Width, rectangleCopy.Height);
System.Drawing.Bitmap bit = CopyHelper.CutPicture(rect);
ImageSource ISource = CopyHelper.BitMapToImageSource(bit);
Clipboard.SetImage(System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(bit.GetHbitmap(), IntPtr.Zero, Int32Rect.Empty, System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions()));
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "JPEG Files(*.jpg)|*.jpg|PNG Files (*.png)|*.png";
sfd.RestoreDirectory = true;//保存对话框是否记忆上次打开的目录
if (sfd.ShowDialog() == true)
{
var encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create((System.Windows.Media.Imaging.BitmapSource)ISource));
using (FileStream stream = new FileStream(sfd.FileName, FileMode.Create))
encoder.Save(stream);
this.Close();
if (winMain != null)
{
winMain.Show();
}
}
}
private static void WritePNG(RENDERTARGET rt, System.IO.Stream writer)
{
// Save the image to a location on the disk.
var encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(rt));
encoder.Save(writer);
}
public void WritePNG(System.IO.Stream writer)
{
// Save the image to a location on the disk.
var encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(_RenderTarget));
encoder.Save(writer);
}
public static System.Drawing.Bitmap ToBitmap(this ImageSource imageSource)
{
MemoryStream ms = new MemoryStream();
var encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(imageSource as System.Windows.Media.Imaging.BitmapSource));
encoder.Save(ms);
return(new System.Drawing.Bitmap(ms));
}
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();
}
//Method for rewriting a BitmapSource to a writable stream for a text file
public static byte[] BitmapSourceToByte(System.Windows.Media.Imaging.BitmapSource source)
{
var encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
var frame = System.Windows.Media.Imaging.BitmapFrame.Create(source);
encoder.Frames.Add(frame);
var stream = new MemoryStream();
encoder.Save(stream);
return(stream.ToArray());
}
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);
}
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 Bitmap ToBitmap(this Media.Imaging.BitmapSource source)
{
Bitmap bitmap;
using (MemoryStream outStream = new MemoryStream())
{
var enc = new Media.Imaging.PngBitmapEncoder();
enc.Frames.Add(Media.Imaging.BitmapFrame.Create(source));
enc.Save(outStream);
bitmap = new Bitmap(outStream);
}
return(bitmap);
}
void SaveAsPng(string exportFilename, System.Windows.Media.Imaging.BitmapSource exportImage)
{
if (exportFilename == string.Empty)
return;
using (System.IO.FileStream stream = new System.IO.FileStream(exportFilename, System.IO.FileMode.Create))
{
System.Windows.Media.Imaging.PngBitmapEncoder encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(exportImage));
encoder.Save(stream);
stream.Close();
}
}
public System.Drawing.Image ImageWpfToGdi2(ImageSource image)
{
var ms = new System.IO.MemoryStream();
var encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(
(System.Windows.Media.Imaging.BitmapSource)image));
encoder.Save(ms);
ms.Flush();
var btm = (System.Drawing.Bitmap)System.Drawing.Image.FromStream(ms);
return(btm);
}
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 public void Save16BitGrayPng(string filePath, ushort[] pixels, int width, int height)
{
var g16 = new System.Windows.Media.Imaging.WriteableBitmap(width, height, 96.0, 96.0,
System.Windows.Media.PixelFormats.Gray16, null);
g16.WritePixels(new System.Windows.Int32Rect(0, 0, width, height), pixels, width * 2, 0);
var encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(g16));
using (var stream = System.IO.File.OpenWrite(filePath)) {
encoder.Save(stream);
}
}
System.Drawing.Image ImageSourceConvertToGDI()
{
Rect rect = new Rect(rectangleCopy.Margin.Left, rectangleCopy.Margin.Top, rectangleCopy.Width, rectangleCopy.Height);
ImageSource ISource = CopyHelper.BitMapToImageSource(CopyHelper.CutPicture(rect));
var encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create((System.Windows.Media.Imaging.BitmapSource)ISource));
MemoryStream ms = new MemoryStream();
encoder.Save(ms);
ms.Flush();
System.Drawing.Image img = System.Drawing.Image.FromStream(ms);
return(img);
}
private void saveProjectImg(string ProjectPath)
{
var imagePath = Path.Combine(Path.GetDirectoryName(ProjectPath), Path.GetFileNameWithoutExtension(ProjectPath));
var _pwvm = ServiceLocator.Default.ResolveType <ProjectWizardViewModel>();
var src = (System.Windows.Media.Imaging.BitmapSource)_pwvm?.ProfileImageBrush?.ImageSource;
if (src != null)
{
using var fs1 = new FileStream(Path.Combine(imagePath, "img.png"), FileMode.OpenOrCreate);
var frame = System.Windows.Media.Imaging.BitmapFrame.Create(src);
var enc = new System.Windows.Media.Imaging.PngBitmapEncoder();
enc.Frames.Add(frame);
enc.Save(fs1);
}
}
static byte[] GetBytesFromBitmapSource(System.Windows.Media.Imaging.BitmapSource bmp)
{
System.Windows.Media.Imaging.PngBitmapEncoder encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
//encoder.Frames.Add(BitmapFrame.Create(bitmapSource));
// byte[] bit = new byte[0];
using (MemoryStream stream = new MemoryStream())
{
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(bmp));
encoder.Save(stream);
byte[] bit = stream.ToArray();
stream.Close();
return(bit);
}
}
void SaveAsPng(string exportFilename, System.Windows.Media.Imaging.BitmapSource exportImage)
{
if (exportFilename == string.Empty)
{
return;
}
using (System.IO.FileStream stream = new System.IO.FileStream(exportFilename, System.IO.FileMode.Create))
{
System.Windows.Media.Imaging.PngBitmapEncoder encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(exportImage));
encoder.Save(stream);
stream.Close();
}
}
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 Image RenderLatex(string latex, int maxWidth)
{
var formula = parser.Parse(latex);
var renderer = formula.GetRenderer(WpfMath.TexStyle.Display, 60.0, "Arial");
var bitmapSource = renderer.RenderToBitmap(0, 0);
var encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(bitmapSource));
MemoryStream stream = new MemoryStream();
encoder.Save(stream);
var rawRes = Image.FromStream(stream);
return(maxWidth < rawRes.Width ? resizeImage(rawRes, new Size(maxWidth, maxWidth * rawRes.Height / rawRes.Width)) : rawRes);
}
private byte[] BitmapSourceToByte(System.Windows.Media.Imaging.BitmapSource source)
{
try
{
var encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
var frame = System.Windows.Media.Imaging.BitmapFrame.Create(source);
encoder.Frames.Add(frame);
var stream = new System.IO.MemoryStream();
encoder.Save(stream);
return(stream.ToArray());
}
catch (Exception ex)
{
return(new byte[0]);
}
}
/// <summary>
/// Convert WriteableBitmap to BitmapImage.
/// refer to https://stackoverflow.com/questions/14161665/how-do-i-convert-a-writeablebitmap-object-to-a-bitmapimage-object-in-wpf
/// </summary>
/// <param name="wbm"></param>
/// <returns></returns>
public static System.Windows.Media.Imaging.BitmapImage ConvertWriteablebitmapToBitmapimage(System.Windows.Media.Imaging.WriteableBitmap wbm)
{
System.Windows.Media.Imaging.BitmapImage bmpimg = new System.Windows.Media.Imaging.BitmapImage();
using (System.IO.MemoryStream stream = new System.IO.MemoryStream())
{
System.Windows.Media.Imaging.PngBitmapEncoder encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(wbm));
encoder.Save(stream);
bmpimg.BeginInit();
bmpimg.CacheOption = System.Windows.Media.Imaging.BitmapCacheOption.OnLoad;
bmpimg.StreamSource = stream;
bmpimg.EndInit();
bmpimg.Freeze();
}
return(bmpimg);
}
private static void SaveImageAsPngFile(System.Windows.Media.Imaging.WriteableBitmap bitmap, string fileName, IntPtr hwnd, System.Windows.Int32Rect clippingRect)
{
if (bitmap == null)
{
throw new ArgumentNullException("Invalid bitmap!!");
}
if (!User32DllMethodsInvoker.IsWindow(hwnd))
{
throw new ArgumentException("Invalid window!!");
}
// クライアント矩形やユーザー定義クリッピング矩形で切り出した内容のみを保存する。
var intersectRect = MyWin32InteropHelper.CalcClientIntersectRect(hwnd, clippingRect);
System.Diagnostics.Debug.Assert(intersectRect.HasArea);
var tempSubBitmap = new System.Windows.Media.Imaging.WriteableBitmap(intersectRect.Width, intersectRect.Height,
MyDeviceHelper.DefaultDpi, MyDeviceHelper.DefaultDpi, System.Windows.Media.PixelFormats.Pbgra32, null);
try
{
tempSubBitmap.Lock();
bitmap.CopyPixels(new System.Windows.Int32Rect(0, 0, intersectRect.Width, intersectRect.Height),
tempSubBitmap.BackBuffer,
tempSubBitmap.PixelWidth * tempSubBitmap.PixelHeight * 4,
tempSubBitmap.PixelWidth * 4);
}
catch (Exception)
{
throw;
}
finally
{
tempSubBitmap.Unlock();
}
using (var stream = new System.IO.FileStream(fileName,
System.IO.FileMode.Create, System.IO.FileAccess.Write))
{
var encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
//encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(bitmap));
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(tempSubBitmap));
encoder.Save(stream);
}
tempSubBitmap = null;
}
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);
}
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 Bitmap ImageSourceToBitmap(System.Windows.Media.Imaging.BitmapSource bitmap)
{
Bitmap result = null;
if (bitmap is System.Windows.Media.Imaging.BitmapSource)
{
using (MemoryStream outStream = new MemoryStream())
{
System.Windows.Media.Imaging.BitmapEncoder enc = new System.Windows.Media.Imaging.PngBitmapEncoder();
enc.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(bitmap));
enc.Save(outStream);
outStream.Seek(0, SeekOrigin.Begin);
result = new Bitmap(outStream);
}
}
return(result);
}
static System.Drawing.Bitmap GetBitmap(string name)
{
var path = "pack://application:,,,/Images/" + name + ".png";
var oUri = new Uri(path, UriKind.RelativeOrAbsolute);
var frame = System.Windows.Media.Imaging.BitmapFrame.Create(oUri);
using (MemoryStream stream = new MemoryStream())
{
var enc = new System.Windows.Media.Imaging.PngBitmapEncoder();
enc.Frames.Add(frame);
enc.Save(stream);
using (var tempBitmap = new System.Drawing.Bitmap(stream))
{
// According to MSDN, one "must keep the stream open for the lifetime of the Bitmap."
// So we return a copy of the new bitmap, allowing us to dispose both the bitmap and the stream.
return(new System.Drawing.Bitmap(tempBitmap));
}
}
}
public static Bitmap ToBitmap(this Media.Imaging.BitmapSource source)
{
Bitmap bitmap;
using (MemoryStream outStream = new MemoryStream())
{
var enc = new Media.Imaging.PngBitmapEncoder();
enc.Frames.Add(Media.Imaging.BitmapFrame.Create(source));
enc.Save(outStream);
bitmap = new Bitmap(outStream);
}
return bitmap;
}
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;
}
void Export(Dictionary <Area, AreaData> dic)
{
float[] totalArea = GetTotalArea(dic);
AreaData[,] areaDataArray = NewAreaDataArray(dic);
float[] limit = ElevationLimit(areaDataArray);
//int highLimit = (int)(limit[1] - limit[0]);
int areaArrayX = areaDataArray.GetLength(0);
int areaArrayY = areaDataArray.GetLength(1);
int areaPixelX = high.x + 1;
int areaPixelY = high.y + 1;
int outputImageX = (areaArrayX * areaPixelX);
int outputImageY = (areaArrayY * areaPixelY);
byte[] hightMap = new byte[outputImageY * outputImageX * 2];
for (int areaY = 0; areaY < areaArrayY; ++areaY)
{
for (int areaX = 0; areaX < areaArrayX; ++areaX)
{
//heightMap:Landscape=128:1m
//例：heightMapの値が35680=2912+0x800でUE4のLandscapeはスケール100の状態で22.75m
//UE4側でスケールを500にする想定とするとheightMapの値25.6で1m扱いとなる
//-1280m～1279m程度の表現が可能。
const float ue4DefaultScale = 100f;
const float ue4ApplyScale = 500f;
const float hightMapPerLandscape = 128f;
const float coefficient = hightMapPerLandscape / (ue4ApplyScale / ue4DefaultScale);
const UInt16 ue4SeaLevel = 0x8000;
AreaData areaData = areaDataArray[areaX, areaY];
if (areaData != null)
{
for (int y = 0; y < areaPixelY; ++y)
{
int i = ((areaY * areaPixelY + y) * outputImageX + (areaX * areaPixelX)) * 2;
for (int x = 0; x < areaPixelX; ++x)
{
float height = areaData.elevation[x, y];
UInt16 v = (UInt16)(height * coefficient + ue4SeaLevel);
hightMap[i++] = (byte)(v & 0xff);
hightMap[i++] = (byte)((v >> 8) & 0xff);
}
}
}
else
{
const float height = AreaData.elevationSeaLevel;
UInt16 v = (UInt16)(height * coefficient + ue4SeaLevel);
byte v0 = (byte)(v & 0xff);
byte v1 = (byte)((v >> 8) & 0xff);
for (int y = 0; y < areaPixelY; ++y)
{
int i = ((areaY * areaPixelY + y) * outputImageX + (areaX * areaPixelX)) * 2;
for (int x = 0; x < areaPixelX; ++x)
{
hightMap[i++] = v0;
hightMap[i++] = v1;
}
}
}
}
}
var bmp = System.Windows.Media.Imaging.BitmapImage.Create
(
outputImageX, outputImageY, 96, 96,
System.Windows.Media.PixelFormats.Gray16,
System.Windows.Media.Imaging.BitmapPalettes.Gray16,
hightMap,
outputImageX * 16 / 8
);
Microsoft.Win32.SaveFileDialog sd = new Microsoft.Win32.SaveFileDialog();
sd.Filter = "pngファイル(*.png)|*.png";
sd.FileName = "heightMap(" + totalArea[0] + "," + totalArea[2] + ")-(" + totalArea[1] + "," + totalArea[3] + ")[" + limit[0] + "," + limit[1] + "].png";
sd.Title = "pngGファイル名を指定してください。";
bool?result = sd.ShowDialog();
if (result == true)
{
using (System.IO.FileStream stream = new System.IO.FileStream(sd.FileName, System.IO.FileMode.Create, System.IO.FileAccess.Write))
{
var encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(bmp));
encoder.Save(stream);
}
}
}
/// <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);
}
}