private void _update()
{
isUpdating = true;
lock (buf1)
{
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(buf1);
g.Clear(System.Drawing.Color.Transparent);
try
{
c.ScrollOffset = new System.Drawing.PointF(offset.X, offset.Y);
c.PerformLayout(g);
c.PerformPaint(g);
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show("Cannot display HTML page. Aborting...");
g.Clear(System.Drawing.Color.Transparent);
CopyBitmapToTexture();
loaded = true;
return;
}
lock (buf2)
{
CopyBitmapToTexture();
}
}
loaded = true;
isUpdating = false;
}
public override void ClearScreen()
{
if (CheckInFrame())
{
gfx.Clear(System.Drawing.Color.Black);
}
}
public void WipeScreen(System.Drawing.Graphics CurGraphics)
{
//prntSome.printSome("WipeScreen");
// clear the screen buffer area
if ((this.Modes.Flags & uc_Mode.LightBackground) > 0)
{
CurGraphics.Clear(this.FGColor);
}
else
{
CurGraphics.Clear(this.BackColor);
}
}
public void ListeAusgeben(System.Drawing.Graphics zeichenflaeche, System.Drawing.RectangleF flaeche)
{
System.Drawing.SolidBrush tempPinsel = new System.Drawing.SolidBrush(System.Drawing.Color.White);
System.Drawing.Font tempSchrift = new System.Drawing.Font("Arial", 12, System.Drawing.FontStyle.Bold);
System.Drawing.StringFormat ausrichtung = new System.Drawing.StringFormat();
float punktX, nameX, Y;
punktX = (flaeche.Right / 2) + 150;
nameX = (flaeche.Right / 2) - 150;
Y = flaeche.Top + 50;
ausrichtung.Alignment = System.Drawing.StringAlignment.Center;
zeichenflaeche.Clear(System.Drawing.Color.Black);
for (int i = 0; i < 10; i++)
{
SoundPlayer simpleSound = new SoundPlayer("C:\\Shared\\ILS_Hefte\\Pong\\Sound\\piano2.wav");
if ((i % 2) != 0)
{
tempPinsel.Color = System.Drawing.Color.Pink;
}
else
{
tempPinsel.Color = System.Drawing.Color.White;
}
zeichenflaeche.DrawString("/************************************Bestenliste************************************\\", tempSchrift, tempPinsel, flaeche.Width / 2, Y, ausrichtung);
simpleSound.Play();
System.Threading.Thread.Sleep(250);
zeichenflaeche.Clear(System.Drawing.Color.Black);
}
zeichenflaeche.Clear(System.Drawing.Color.Black);
zeichenflaeche.DrawString("/************************************Bestenliste************************************\\", tempSchrift, tempPinsel, flaeche.Width / 2, Y, ausrichtung);
Y = Y + 30;
for (int i = 0; i < anzahl; i++)
{
Y = Y + 20;
zeichenflaeche.DrawString(Convert.ToString(bestenliste[i].GetPunkte()), tempSchrift, tempPinsel, punktX, Y);
zeichenflaeche.DrawString(Convert.ToString(bestenliste[i].GetName()), tempSchrift, tempPinsel, nameX, Y);
System.Threading.Thread.Sleep(100);
}
zeichenflaeche.DrawString("\\************************************************************************************/", tempSchrift, tempPinsel, flaeche.Width / 2, (Y + 50), ausrichtung);
}
private void _load()
{
if (raw == "")
{
loaded = true;
return;
}
offset = new Vector2();
lock (buf1)
{
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(buf1);
g.Clear(System.Drawing.Color.Transparent);
//CopyBitmapToTexture();
try
{
//HtmlRenderer.HtmlRender.Render(g, raw, new System.Drawing.PointF(), new System.Drawing.SizeF(size.X, size.Y));
c = new HtmlRenderer.HtmlContainer();
c.AvoidImagesLateLoading = false;
c.Location = new System.Drawing.PointF();
c.MaxSize = new System.Drawing.SizeF(size.X, size.Y);
c.ImageLoad += new EventHandler <HtmlRenderer.Entities.HtmlImageLoadEventArgs>(c_ImageLoad);
c.SetHtml(raw);
c.PerformLayout(g);
c.PerformPaint(g);
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show("Cannot display HTML page. Aborting...");
g.Clear(System.Drawing.Color.Transparent);
CopyBitmapToTexture();
loaded = true;
return;
}
//System.Threading.Thread.Sleep(100);
lock (buf2)
{
CopyBitmapToTexture();
//SetBackground();
}
}
if (OnPageLoaded != null)
{
OnPageLoaded.Invoke();
}
loaded = true;
}
public void CreateImage(string str_ValidateCode)
{
int int_ImageWidth = str_ValidateCode.Length * 14;
Random newRandom = new Random();
System.Drawing.Bitmap theBitmap = new System.Drawing.Bitmap(int_ImageWidth, 20);
System.Drawing.Graphics theGraphics = System.Drawing.Graphics.FromImage(theBitmap);
theGraphics.Clear(System.Drawing.Color.White);
theGraphics.DrawRectangle(new System.Drawing.Pen(System.Drawing.Color.LightGray, 1), 0, 0, int_ImageWidth - 1, 19);
System.Drawing.Font theFont = new System.Drawing.Font("Arial", 10);
for (int int_index = 0; int_index < str_ValidateCode.Length; int_index++)
{
string str_char = str_ValidateCode.Substring(int_index, 1);
System.Drawing.Brush newBrush = new System.Drawing.SolidBrush(GetRandomColor());
System.Drawing.Point thePos = new System.Drawing.Point(int_index * 13 + 1 + newRandom.Next(3), 1 + newRandom.Next(3));
theGraphics.DrawString(str_char, theFont, newBrush, thePos);
}
System.IO.MemoryStream ms = new System.IO.MemoryStream();
theBitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
Response.ClearContent();
Response.ContentType = "image/Png";
Response.BinaryWrite(ms.ToArray());
theGraphics.Dispose();
theBitmap.Dispose();
Response.End();
}
/// <summary>
/// 产生验证码图片二进制流
/// </summary>
/// <param name="CodeLength">验证码长度</param>
/// <param name="InputImageWidth">图片宽度</param>
/// <param name="InputImageHeight">图片高度</param>
/// <param name="VelidateCode">验证码的真实值</param>
public static byte[] CreateValidateCode(int CodeLength, int InputImageWidth, int InputImageHeight, out string VelidateCode)
{
VelidateCode = GenerateRandomChareNumString(CodeLength);
byte[] reVal = null;
#region 画出验证码
System.Drawing.Bitmap image = new System.Drawing.Bitmap(InputImageWidth, InputImageHeight);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(image);
try
{
System.Random random = new Random();
g.Clear(System.Drawing.Color.White);
System.Drawing.Font font = new System.Drawing.Font("Microsoft Yahei", 16, (System.Drawing.FontStyle.Bold | System.Drawing.FontStyle.Italic));
System.Drawing.Drawing2D.LinearGradientBrush brush = new System.Drawing.Drawing2D.LinearGradientBrush(new System.Drawing.Rectangle(0, 0, image.Width, image.Height), System.Drawing.Color.Blue, System.Drawing.Color.DarkRed, 1.2f, true);
g.DrawString(VelidateCode, font, brush, 2, 2);
for (int i = 0; i < InputImageWidth * InputImageHeight / 5; i++)
{
int x = random.Next(image.Width);
int y = random.Next(image.Height);
image.SetPixel(x, y, System.Drawing.Color.FromArgb(random.Next()));
}
g.DrawRectangle(new System.Drawing.Pen(System.Drawing.Color.Black), 0, 0, image.Width - 1, image.Height - 1);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
image.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);
reVal = ms.ToArray();
return(reVal);
}
finally
{
g.Dispose();
image.Dispose();
}
#endregion 画出验证码
}
internal static Image RGBToBGR(this Image bmp)
{
Image newBmp;
if ((bmp.PixelFormat & Imaging.PixelFormat.Indexed) != 0)
{
newBmp = new Bitmap(bmp.Width, bmp.Height, Imaging.PixelFormat.Format32bppArgb);
}
else
{
newBmp = bmp;
}
try
{
System.Drawing.Imaging.ImageAttributes ia = new System.Drawing.Imaging.ImageAttributes();
System.Drawing.Imaging.ColorMatrix cm = new System.Drawing.Imaging.ColorMatrix(rgbtobgr);
ia.SetColorMatrix(cm);
using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(newBmp))
{
g.Clear(Color.Transparent);
g.DrawImage(bmp, new System.Drawing.Rectangle(0, 0, bmp.Width, bmp.Height), 0, 0, bmp.Width, bmp.Height, System.Drawing.GraphicsUnit.Pixel, ia);
}
}
finally
{
if (newBmp != bmp)
{
bmp.Dispose();
}
}
return(newBmp);
}
} // End Sub CosineTest
public static void Test()
{
using (System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(1000, 1000))
{
using (System.Drawing.Graphics gfx = System.Drawing.Graphics.FromImage(bmp))
{
gfx.Clear(System.Drawing.Color.White);
PaintComponent(gfx);
}
bmp.Save(@"D:\Perspective.png", System.Drawing.Imaging.ImageFormat.Png);
}
System.Console.WriteLine("Drawn !");
// https://math.stackexchange.com/questions/2305792/3d-projection-on-a-2d-plane-weak-maths-ressources
// https://en.wikipedia.org/wiki/Axonometric_projection
// https://en.wikipedia.org/wiki/3D_projection
// https://en.wikipedia.org/wiki/Perspective_(graphical)
// https://en.wikipedia.org/wiki/Oblique_projection
// https://en.wikipedia.org/wiki/Isometric_video_game_graphics
// https://en.wikipedia.org/wiki/Orthographic_projection
// https://en.wikipedia.org/wiki/Parallel_projection
// https://en.wikipedia.org/wiki/Plan_(drawing)
// https://en.wikipedia.org/wiki/Multiview_projection
// https://stackoverflow.com/questions/724219/how-to-convert-a-3d-point-into-2d-perspective-projection
// https://stackoverflow.com/questions/15079764/3d-to-2d-point-conversion
// https://github.com/Fylax/Apache-Commons-Math3-C-
// https://github.com/mrdefnerd/Arrav-Server-Provider/blob/dce7fae5f9f8ccec0f795c1cbe486ef570c41273/org/rev317/api/methods/Calculations.java
} // End Sub Test
public static void Run()
{
//Source directory
string sourceDir = RunExamples.Get_SourceDirectory();
//Output directory
string outputDir = RunExamples.Get_OutputDirectory();
// Create workbook object from source file
Workbook workbook = new Workbook(sourceDir + "sampleRenderWorksheetToGraphicContext.xlsx");
// Access first worksheet
Worksheet worksheet = workbook.Worksheets[0];
// Create empty Bitmap
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(1100, 600);
// Create Graphics Context
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bmp);
g.Clear(System.Drawing.Color.Blue);
// Set one page per sheet to true in image or print options
Aspose.Cells.Rendering.ImageOrPrintOptions opts = new Aspose.Cells.Rendering.ImageOrPrintOptions();
opts.OnePagePerSheet = true;
// Render worksheet to graphics context
Aspose.Cells.Rendering.SheetRender sr = new Aspose.Cells.Rendering.SheetRender(worksheet, opts);
sr.ToImage(0, g, 0, 0);
// Save the graphics context image in Png format
bmp.Save(outputDir + "outputRenderWorksheetToGraphicContext.png", System.Drawing.Imaging.ImageFormat.Png);
Console.WriteLine("RenderWorksheetToGraphicContext executed successfully.");
}
//Draw text on the map
private System.Drawing.Bitmap DrawText(String text, System.Drawing.Font font, System.Drawing.Color textColor, System.Drawing.Color backColor)
{
//Create a dummy bitmap to get a graphics object
System.Drawing.Bitmap img = new System.Drawing.Bitmap(1, 1);
System.Drawing.Graphics drawing = System.Drawing.Graphics.FromImage(img);
//Measure the string to see how big the image needs to be
textSize = drawing.MeasureString(text, font);
//free up the dummy image and old graphics object
img.Dispose();
drawing.Dispose();
//create a new image of the right size
img = new System.Drawing.Bitmap((int)textSize.Width, (int)textSize.Height);
drawing = System.Drawing.Graphics.FromImage(img);
//paint the background
drawing.Clear(backColor);
System.Drawing.SolidBrush textBrush = new System.Drawing.SolidBrush(textColor);
drawing.DrawString(text, font, textBrush, 0, 0);
drawing.Save();
textBrush.Dispose();
drawing.Dispose();
return(img);
}
public void DrawTileMap(DevicePanel d, int x, int y, int platform_x, int platform_y, int platform_width, int platform_height, System.Drawing.Color colors, int transparency, bool TilesNeedUpdate = false)
{
if (ScatchLayer != null)
{
if (ScatchLayer.Visible)
{
if (TileMap == null || TileMap != ScatchLayer.Layer.Tiles || TilesNeedUpdate || PlatformImage == null)
{
if (PlatformImage != null)
{
PlatformImage.Dispose();
PlatformImage = null;
}
TileMap = ScatchLayer.Tiles;
var bitmap = new System.Drawing.Bitmap(ScatchLayer.Width * Methods.Solution.SolutionConstants.TILE_SIZE, ScatchLayer.Height * Methods.Solution.SolutionConstants.TILE_SIZE);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap);
ScatchLayer.Draw(g);
PlatformImage = Methods.Drawing.TextureCreator.FromBitmap(d._device, bitmap);
g.Clear(System.Drawing.Color.Transparent);
bitmap.Dispose();
g.Dispose();
}
d.DrawBitmap(PlatformImage, x, y, platform_x, platform_y, platform_width, platform_height, false, transparency, false, false, 0, colors);
}
}
}
public static void Reset()
{
if (!Logic.fast_forward)
{
canvas.Clear(System.Drawing.Color.Black);
}
}
public static System.Drawing.Image RezizeImage(System.Drawing.Image img, int maxWidth, int maxHeight)
{
if (img.Height < maxHeight && img.Width < maxWidth)
{
return(img);
}
using (img)
{
Double xRatio = (double)img.Width / maxWidth;
Double yRatio = (double)img.Height / maxHeight;
Double ratio = Math.Max(xRatio, yRatio);
int nnx = (int)Math.Floor(img.Width / ratio);
int nny = (int)Math.Floor(img.Height / ratio);
System.Drawing.Bitmap cpy = new System.Drawing.Bitmap(nnx, nny, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
using (System.Drawing.Graphics gr = System.Drawing.Graphics.FromImage(cpy))
{
gr.Clear(System.Drawing.Color.Transparent);
// This is said to give best quality when resizing images
gr.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
gr.DrawImage(img,
new System.Drawing.Rectangle(0, 0, nnx, nny),
new System.Drawing.Rectangle(0, 0, img.Width, img.Height),
System.Drawing.GraphicsUnit.Pixel);
}
return(cpy);
}
}
public void Reset(int hPageNum, int vPageNum, int newWidth, int newHeight)
{
this.pageNumFlags = (hPageNum << 8) | vPageNum;
this.ReleaseUnManagedResource();
this.ClearPreviousStoredValues();
var orgHdc = MyWin32.CreateCompatibleDC(IntPtr.Zero);
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(newWidth, newHeight, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
hbmp = bmp.GetHbitmap();
MyWin32.SelectObject(orgHdc, hbmp);
MyWin32.PatBlt(orgHdc, 0, 0, newWidth, newHeight, MyWin32.WHITENESS);
MyWin32.SetBkMode(orgHdc, MyWin32._SetBkMode_TRANSPARENT);
hFont = defaultHFont;
MyWin32.SelectObject(orgHdc, hFont);
currentClipRect = new System.Drawing.Rectangle(0, 0, newWidth, newHeight);
MyWin32.SelectObject(orgHdc, hRgn);
gx = System.Drawing.Graphics.FromHdc(orgHdc);
this.originalHdc = orgHdc;
gx.Clear(System.Drawing.Color.White);
MyWin32.SetRectRgn(hRgn, 0, 0, newWidth, newHeight);
left = hPageNum * newWidth;
top = vPageNum * newHeight;
right = left + newWidth;
bottom = top + newHeight;
#if DEBUG
debug_resetCount++;
#endif
}
private void BuildFontSheetBitmap(System.Drawing.Font font, System.Drawing.Graphics charGraphics, System.Drawing.Bitmap charBitmap, System.Drawing.Graphics fontSheetGraphics)
{
Int32 fontSheetX = 0;
Int32 fontSheetY = 0;
for (Int32 index = 0; index < DXFont.NumChars; ++index)
{
charGraphics.Clear(System.Drawing.Color.FromArgb(0, System.Drawing.Color.Black));
charGraphics.DrawString(((Char)(StartChar + index)).ToString(), font, System.Drawing.Brushes.White, new System.Drawing.PointF(0.0f, 0.0f));
Int32 minX = this.GetCharMinX(charBitmap);
Int32 maxX = this.GetCharMaxX(charBitmap);
Int32 charWidth = maxX - minX + 1;
if (fontSheetX + charWidth >= this.TexWidth)
{
fontSheetX = 0;
fontSheetY += this.CharHeight + 1;
}
this.CharRects[index] = new RawRectangle(fontSheetX, fontSheetY, charWidth, this.CharHeight);
fontSheetGraphics.DrawImage(charBitmap, fontSheetX, fontSheetY, new System.Drawing.Rectangle(minX, 0, charWidth, this.CharHeight), System.Drawing.GraphicsUnit.Pixel);
fontSheetX += charWidth + 1;
}
}
protected static void drawBuffer(System.Drawing.Graphics g)
{
//base.OnPaint(e);
g.Clear(System.Drawing.Color.Black);
//System.Console.WriteLine(i+ " " + x);
g.DrawLine(new System.Drawing.Pen(System.Drawing.Color.White), 50, 0, i + 50, 100);
wuerfel.punkte = Matrix.multiplizieren(wuerfel.punkte, drehmatrix1grad);
//System.Console.WriteLine(i+ " " + y);
g.DrawLine(new System.Drawing.Pen(System.Drawing.Color.White), 150, 0, j + 150, 150);
for (int k = 0; k < 8; k++)
{
g.DrawEllipse(new System.Drawing.Pen(System.Drawing.Color.Blue), center[0] - 2 + (int)wuerfel.punkte[k][0] + (int)(wuerfel.punkte[k][2] * 0.1), (int)center[1] - 2 + (int)(wuerfel.punkte[k][1] + wuerfel.punkte[k][2] * 0.1), 5, 5);
}
for (int l = 0; l < wuerfel.W.Length; l++)
{
wuerfel.W[l] = Matrix.multiplizieren(wuerfel.W[l], drehmatrix1grad);
g.DrawLine(new System.Drawing.Pen(System.Drawing.Color.Blue), (float)(center[0] + wuerfel.W[l][0][0] + wuerfel.W[l][0][2] * 0.1), (float)(center[1] + wuerfel.W[l][0][1] + wuerfel.W[l][0][2] * 0.1), (float)(center[0] + wuerfel.W[l][1][0] + wuerfel.W[l][1][2] * 0.1), (float)(center[1] + wuerfel.W[l][1][1] + wuerfel.W[l][1][2] * 0.1));
}
g.DrawLine(new System.Drawing.Pen(System.Drawing.Color.White), i + 50, 100, j + 150, 150);
}
/// <summary>
/// 冻结用户界面
/// </summary>
public void FreezeUI()
{
if (_FreezeUIBmp == null)
{
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(
this.ClientSize.Width,
this.ClientSize.Height);
using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bmp))
{
g.Clear(this.BackColor);
System.Windows.Forms.PaintEventArgs args = new PaintEventArgs(
g,
new System.Drawing.Rectangle(
0,
0,
this.ClientSize.Width,
this.ClientSize.Height));
this.OnPaint(args);
}
_FreezeUIBmp = bmp;
//this.DrawToBitmap(
// _FreezeUIBmp,
// new System.Drawing.Rectangle(
// 0,
// 0,
// this.ClientSize.Width,
// this.ClientSize.Height));
}
}
public void ListeAusgabe(System.Drawing.Graphics zeichenflaeche, System.Drawing.RectangleF flaesche)
{
//ein Temporär Pinsel erzeugen
System.Drawing.SolidBrush tempPinsle = new System.Drawing.SolidBrush(System.Drawing.Color.White);
//die schriftart setzen
System.Drawing.Font tempSchrift = new System.Drawing.Font("Arial", 12, System.Drawing.FontStyle.Bold);
//für die zentrierte ausgabe
System.Drawing.StringFormat ausrichtung = new System.Drawing.StringFormat();
//Koordinaten für die ausgabe
float punkteX, nameX, y;
punkteX = flaesche.Left + 50;
nameX = flaesche.Left + 250;
y = flaesche.Top + 50;
//die ausrichtung ist zentriert
ausrichtung.Alignment = System.Drawing.StringAlignment.Center;
//die zeichenflaeche löschen
zeichenflaeche.Clear(System.Drawing.Color.Black);
//den Titel ausgeben
zeichenflaeche.DrawString("Bestenliste", tempSchrift, tempPinsle, flaesche.Width / 2, y, ausrichtung);
//und nun die liste selbst
for (int i = 0; i < anzahl; i++)
{
y += 20;
zeichenflaeche.DrawString(Convert.ToString(bestenListe[i].GetPunkte()), tempSchrift, tempPinsle, punkteX, y);
zeichenflaeche.DrawString(Convert.ToString(bestenListe[i].GetName()), tempSchrift, tempPinsle, nameX, y);
}
}
/// <summary>
/// Updates the background image, adds a border in order to enable
/// pixel selection around the edges, and modifies the size of this window
/// </summary>
/// <param name="context">ElementContext containing screenshot</param>
public void UpdateBackground(ElementContext context)
{
var screenshot = context?.DataContext?.Screenshot;
this.EC = context;
if (screenshot != null)
{
this.backgroundImageScale = Axe.Windows.Desktop.Utility.ExtensionMethods.GetDPI(
(int)System.Windows.Application.Current.MainWindow.Top,
(int)System.Windows.Application.Current.MainWindow.Left);
// Increase size and add white border (this is so we can magnify the corners without having to worry about resizing the magnifier preview
System.Drawing.Bitmap newBitmap = new System.Drawing.Bitmap((int)(screenshot.Width + MagnifyRadius * 2), (int)(screenshot.Height + MagnifyRadius * 2));
using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(newBitmap))
{
g.Clear(System.Drawing.Color.White);
g.DrawImageUnscaled(screenshot, MagnifyRadius, MagnifyRadius);
}
// Size to scale to
var ourImageWidth = (screenshot.Width + MagnifyRadius * 2) / this.backgroundImageScale;
var ourImageHeight = (screenshot.Height + MagnifyRadius * 2) / this.backgroundImageScale;
this.background = newBitmap;
this.image.Source = background.ConvertToSource();
this.image.Width = ourImageWidth;
this.image.Height = ourImageHeight;
this.grid.MaxWidth = ourImageWidth;
this.grid.MaxHeight = ourImageHeight;
this.Width = Math.Min(Math.Max(ourImageWidth, MIN_INITIAL_WINDOW_WIDTH), INITIAL_WINDOW_WIDTH);
this.Height = Math.Min(Math.Max(ourImageHeight, MIN_INITIAL_WINDOW_HEIGHT), INITIAL_WINDOW_HEIGHT);
ChangeMagnifierPositionBy(0, 0); // shows initial magnified state
}
}
public System.Drawing.Bitmap DrawPie()
{
System.Drawing.Bitmap image = new System.Drawing.Bitmap(Width, Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(image)) {
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.Clear(System.Drawing.Color.Transparent);
float centerLabelMaxWidth = GetLabelMaxWidth(g) + 10F;
float centerPercentMaxWidth = g.MeasureString("999.999 " + "99.9%", _font).Width + 3F;
float widthSplitOffset = 20F;
float heightSplitOffset = 10F;
float bottomHeightOffset = 20F;
float pieWidth = (Width - (widthSplitOffset * 4F) - centerLabelMaxWidth - centerPercentMaxWidth * 2) / 2F - 20F - _font.Height;
float pieHeight = (Height - (heightSplitOffset * 2F) - bottomHeightOffset);
pieHeight = pieWidth = System.Math.Min(pieWidth, pieHeight);
_leftPie.Width = pieWidth; _leftPie.Height = pieHeight;
_leftPie.X = widthSplitOffset; _leftPie.Y = heightSplitOffset;
_rightPie.Width = pieWidth; _rightPie.Height = pieHeight;
_rightPie.X = Width - widthSplitOffset - pieWidth; _rightPie.Y = heightSplitOffset;
RenderPie(true, g);
RenderPie(false, g);
RenderCenterLabels(g, pieWidth + widthSplitOffset * 2F + centerPercentMaxWidth, centerLabelMaxWidth, centerPercentMaxWidth);
}
return(image);
}
///<summary>
/// 对给定的一个图片（Image对象）生成一个指定大小的缩略图。
///</summary>
///<param name="originalImage">原始图片</param>
///<param name="thumMaxWidth">缩略图的宽度</param>
///<param name="thumMaxHeight">缩略图的高度</param>
///<returns>返回缩略图的Image对象</returns>
public static System.Drawing.Image GetThumbNailImage(System.Drawing.Image originalImage, int thumMaxWidth, int thumMaxHeight)
{
System.Drawing.Size thumRealSize = System.Drawing.Size.Empty;
System.Drawing.Image newImage = originalImage;
System.Drawing.Graphics graphics = null;
try
{
thumRealSize = GetNewSize(thumMaxWidth, thumMaxHeight, originalImage.Width, originalImage.Height);
newImage = new System.Drawing.Bitmap(thumRealSize.Width, thumRealSize.Height);
graphics = System.Drawing.Graphics.FromImage(newImage);
graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.Clear(System.Drawing.Color.Transparent);
graphics.DrawImage(originalImage, new System.Drawing.Rectangle(0, 0, thumRealSize.Width, thumRealSize.Height), new System.Drawing.Rectangle(0, 0, originalImage.Width, originalImage.Height), System.Drawing.GraphicsUnit.Pixel);
}
catch { }
finally
{
if (graphics != null)
{
graphics.Dispose();
graphics = null;
}
}
return(newImage);
}
/// <summary>
/// Renders the map to an image
/// </summary>
/// <returns></returns>
public System.Drawing.Image GetMap()
{
if (Layers == null || Layers.Count == 0)
{
throw new InvalidOperationException("No layers to render");
}
System.Drawing.Image img = new System.Drawing.Bitmap(this.Size.Width, this.Size.Height);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(img);
g.Transform = this.MapTransform;
g.Clear(this.BackColor);
g.PageUnit = System.Drawing.GraphicsUnit.Pixel;
int SRID = (Layers.Count > 0 ? Layers[0].SRID : -1); //Get the SRID of the first layer
for (int i = 0; i < _Layers.Count; i++)
{
if (_Layers[i].Enabled && _Layers[i].MaxVisible >= this.Zoom && _Layers[i].MinVisible < this.Zoom)
{
_Layers[i].Render(g, this);
}
}
if (MapRendered != null)
{
MapRendered(g); //Fire render event
}
g.Dispose();
return(img);
}
public static System.Drawing.Image DrawHatchRectangleToImg(int iLegendPattern, System.Drawing.Color colFC, System.Drawing.Color colHB, System.Drawing.Color colHL)
{
int iBulletSize = 20;
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(iBulletSize, iBulletSize);
using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bmp))
{
g.Clear(System.Drawing.Color.White);
// Add legend rectangle with color
using (System.Drawing.Brush CurrentBrush = GetBrush(iLegendPattern, colFC, colHB, colHL))
{
System.Drawing.Rectangle rect2 = new System.Drawing.Rectangle(0, 0, iBulletSize, iBulletSize);
if (CurrentBrush != null)
{
//if (object.ReferenceEquals(CurrentBrush, typeof(TextureBrush)))
if (CurrentBrush is System.Drawing.TextureBrush)
{
((System.Drawing.TextureBrush)CurrentBrush).TranslateTransform(rect2.X, rect2.Y);
}
// Punkt - Quadrat
g.FillRectangle(CurrentBrush, rect2);
// cDrawingTools.FillTriangle(g, CurrentBrush, iOriginX, iOriginY, i, iBulletSize);
// cDrawingTools.FillCircle(g, CurrentBrush, iOriginX + iBulletSize / 2.0f, iOriginY + i * (iBulletSize * 2) + iBulletSize / 2.0f, iBulletSize / 2.0f);
} // End if (CurrentBrush != null)
} // End Using System.Drawing.Brush CurrentBrush
}
return(bmp);
} // End Sub
static public System.Drawing.SizeF MeasureDisplayString(System.Drawing.Graphics graphics, string text, System.Drawing.Font font)
{
const int width = 32;
System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(width, 1, graphics);
System.Drawing.SizeF size = graphics.MeasureString(text, font);
System.Drawing.Graphics anagra = System.Drawing.Graphics.FromImage(bitmap);
int measured_width = (int)size.Width;
if (anagra != null)
{
anagra.Clear(System.Drawing.Color.White);
anagra.DrawString(text + "|", font, System.Drawing.Brushes.Black, width - measured_width, -font.Height / 2);
for (int i = width - 1; i >= 0; i--)
{
measured_width--;
if (bitmap.GetPixel(i, 0).R == 0)
{
break;
}
}
}
return(new System.Drawing.SizeF(measured_width, size.Height));
}
static System.Drawing.Bitmap CreateBackgroundBmp(int w, int h)
{
//----------------------------------------------------
//1. create background bitmap
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(w, h);
//2. create graphics from bmp
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bmp);
// draw a background to show how the mask is working better
g.Clear(System.Drawing.Color.White);
int rect_w = 30;
var v1 = new VertexStore();//todo; use pool
for (int i = 0; i < 40; i++)
{
for (int j = 0; j < 40; j++)
{
if ((i + j) % 2 != 0)
{
VertexSource.RoundedRect rect = new VertexSource.RoundedRect(i * rect_w, j * rect_w, (i + 1) * rect_w, (j + 1) * rect_w, 0);
rect.NormalizeRadius();
// Drawing as an outline
VxsHelper.FillVxsSnap(g, new VertexStoreSnap(rect.MakeVxs(v1)), Drawing.Color.Make(.9f, .9f, .9f));
v1.Clear();
}
}
}
//----------------------------------------------------
return(bmp);
}
void BuildFontSheetBitmap(System.Drawing.Font font, System.Drawing.Graphics charGraphics, System.Drawing.Bitmap charBitmap, System.Drawing.Graphics fontSheetGraphics)
{
System.Drawing.Brush whiteBrush = System.Drawing.Brushes.White;
int fontSheetX = 0;
int fontSheetY = 0;
for (int i = 0; i < NumChars; ++i)
{
charGraphics.Clear(System.Drawing.Color.FromArgb(0, System.Drawing.Color.Black));
charGraphics.DrawString(((char)(StartChar + i)).ToString(), font, whiteBrush, new System.Drawing.PointF(0.0f, 0.0f));
int minX = GetCharMinX(charBitmap);
int maxX = GetCharMaxX(charBitmap);
int charWidth = maxX - minX + 1;
if (fontSheetX + charWidth >= _texWidth)
{
fontSheetX = 0;
fontSheetY += (int)(_charHeight) + 1;
}
_charRects[i] = new Rectangle(fontSheetX, fontSheetY, charWidth, _charHeight);
fontSheetGraphics.DrawImage(charBitmap, fontSheetX, fontSheetY, new System.Drawing.Rectangle(minX, 0, charWidth, _charHeight), System.Drawing.GraphicsUnit.Pixel);
fontSheetX += charWidth + 1;
}
}
public static void Run()
{
// ExStart:RenderWorksheetToGraphicContext
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
// Create workbook object from source file
Workbook workbook = new Workbook(dataDir + "SampleBook.xlsx");
// Access first worksheet
Worksheet worksheet = workbook.Worksheets[0];
// Create empty Bitmap
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(1100, 600);
// Create Graphics Context
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bmp);
g.Clear(System.Drawing.Color.Blue);
// Set one page per sheet to true in image or print options
Aspose.Cells.Rendering.ImageOrPrintOptions opts = new Aspose.Cells.Rendering.ImageOrPrintOptions();
opts.OnePagePerSheet = true;
// Render worksheet to graphics context
Aspose.Cells.Rendering.SheetRender sr = new Aspose.Cells.Rendering.SheetRender(worksheet, opts);
sr.ToImage(0, g, 0, 0);
// Save the graphics context image in Png format
bmp.Save(dataDir + "OutputImage_out.png", System.Drawing.Imaging.ImageFormat.Png);
//ExEnd:RenderWorksheetToGraphicContext
}
internal void PrepareTextureForDrawDevice(IDrawDevice device)
{
System.Drawing.PointF[] points = new System.Drawing.PointF[_verticesPositions.Count];
/**
* Drawing texture based on displacement for each camera
**/
Vector3 start = _absoluteStart * device.GetScaleAtZ(_absoluteStart.Z);
Vector3 end = _absoluteEnd * device.GetScaleAtZ(_absoluteEnd.Z);
Vector2 tangent = (end - start).Xy;
float length = tangent.Length;
for (int i = 0; i < points.Length; i++)
{
points[i] = new System.Drawing.PointF(_verticesPositions[i].X * length, _verticesPositions[i].Y);
}
System.Drawing.Bitmap pixelData = new System.Drawing.Bitmap((int)MathF.Ceiling(length), (int)MathF.Ceiling(_sway2));
using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(pixelData))
{
g.Clear(System.Drawing.Color.Transparent);
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;
g.DrawLines(_pen, points);
}
if (!BatchInfos.ContainsKey(device))
{
BatchInfo bi = new BatchInfo(
DrawTechnique.Add,
Colors.White,
new ContentRef <Texture>(
new Texture(new ContentRef <Pixmap>(new Pixmap()))
{
FilterMin = TextureMinFilter.LinearMipmapLinear,
FilterMag = TextureMagFilter.LinearSharpenSgis,
WrapX = TextureWrapMode.ClampToEdge,
WrapY = TextureWrapMode.ClampToEdge,
TexSizeMode = Texture.SizeMode.Stretch
}));
BatchInfos.Add(device, new BoltData()
{
BatchInfo = bi
});
}
BoltData bd = BatchInfos[device];
Texture tx = bd.BatchInfo.MainTexture.Res;
tx.BasePixmap.Res.MainLayer.FromBitmap(pixelData);
tx.ReloadData();
bd.Start = start;
bd.End = end;
bd.IsReady = true;
}
/// <summary>
/// 生成缩略图
/// </summary>
/// <param name="serverImagePath">图片地址</param>
/// <param name="thumbnailImagePath">缩略图地址</param>
/// <param name="width">图片宽度</param>
/// <param name="height">图片高度</param>
/// <param name="SaveFileName">保存到数据的名称</param>
/// <param name="imei">设备的IMEI号</param>
public String GetThumbnail(string serverImagePath, string thumbnailImagePath, int width, int height, String SaveFileName)
{
try
{
System.Drawing.Image serverImage = System.Drawing.Image.FromFile(serverImagePath);
//画板大小
int towidth = width;
int toheight = height;
//缩略图矩形框的像素点
//int x = 0;
//int y = 0;
int ow = serverImage.Width;
int oh = serverImage.Height;
//if (ow > oh)
//{
// toheight = serverImage.Height * width / serverImage.Width;
//}
//else
//{
// towidth = serverImage.Width * height / serverImage.Height;
//}
//新建一个bmp图片
System.Drawing.Image bm = new System.Drawing.Bitmap(width, height);
//新建一个画板
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bm);
//设置高质量插值法
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
//设置高质量,低速度呈现平滑程度
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//清空画布并以透明背景色填充
g.Clear(System.Drawing.Color.White);
//在指定位置并且按指定大小绘制原图片的指定部分
g.DrawImage(serverImage, new System.Drawing.Rectangle((width - towidth) / 2, (height - toheight) / 2, towidth, toheight), 0, 0, ow, oh, System.Drawing.GraphicsUnit.Pixel);
try
{
//以jpg格式保存缩略图
bm.Save(thumbnailImagePath);
return("{\"success\":\"" + SaveFileName + "\"}");
}
catch (System.Exception e)
{
return("{\"success\":\"false\"}");
}
finally
{
serverImage.Dispose();
bm.Dispose();
g.Dispose();
File.Delete(serverImagePath);
}
}
catch (Exception)
{
File.Delete(serverImagePath);
return("{\"success\":\"false\"}");
}
}
public void ShowBorders(object sender,MouseEventArgs e)
{
Panel tPanel = (Panel)sender;
if (objGraphics != null) return;
else objGraphics = null;
objGraphics = tPanel.CreateGraphics();
objGraphics.Clear(System.Drawing.SystemColors.Control);
foreach(Control pp in tPanel.Controls)
{
if (pp is PictureBox)
{
//画边界
objGraphics.DrawRectangle(System.Drawing.Pens.BlueViolet, pp.Left - 1, pp.Top - 1, pp.Width + 1, pp.Height + 1);
}
else objGraphics = null;
}
}
public static void PaintUsingSystemDrawing(GdiGraphics graphics, string text, GdiRectangle clientRectangle)
{
graphics.Clear(GdiColor.CornflowerBlue);
using (var brush = new GdiSolidBrush(GdiColor.Black))
using (var format = new GdiStringFormat())
{
format.Alignment = GdiStringAlignment.Center;
format.LineAlignment = GdiStringAlignment.Center;
graphics.DrawString(text, GdiSystemFonts.MessageBoxFont, brush, clientRectangle, format);
}
}