в 15:31, 26 мая 2010

2010-05-26T15:31:19Z

Admin: 1 версия

2010-05-26T11:41:39Z

1 версия

Новая страница

==Create Metafile==

<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Windows.Forms;

class CreateMetafile: Form
{
Metafile mf;

public static void Main()
{
Application.Run(new CreateMetafile());
}
public CreateMetafile()
{
ResizeRedraw = true;
Graphics grfx = CreateGraphics();
IntPtr ipHdc = grfx.GetHdc();

mf = new Metafile("CreateMetafile.emf", ipHdc);

grfx.ReleaseHdc(ipHdc);
grfx.Dispose();

grfx = Graphics.FromImage(mf);

grfx.FillEllipse(Brushes.Blue, 60, 20, 20, 20);
grfx.Dispose();
}
protected override void OnPaint(PaintEventArgs pea)
{
DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
}
protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
{
for (int y = 0; y < cy; y += mf.Height)
for (int x = 0; x < cx; x += mf.Width)
grfx.DrawImage(mf, x, y, mf.Width, mf.Height);
}
}
</source>

==Create Metafile (Memory)==

<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Windows.Forms;

class CreateMetafileMemory: Form
{
MemoryStream ms = new MemoryStream();

public static void Main()
{
Application.Run(new CreateMetafileMemory());
}
public CreateMetafileMemory()
{
ResizeRedraw = true;

Graphics grfx = CreateGraphics();
IntPtr ipHdc = grfx.GetHdc();

Metafile mf = new Metafile(ms, ipHdc);

grfx.ReleaseHdc(ipHdc);
grfx.Dispose();
grfx = Graphics.FromImage(mf);

grfx.FillEllipse(Brushes.Gray, 0, 0, 100, 100);
grfx.DrawEllipse(Pens.Black, 0, 0, 100, 100);
grfx.DrawArc(new Pen(Color.Red, 10), 20, 20, 60, 60, 30, 120);
grfx.Dispose();
}
protected override void OnPaint(PaintEventArgs pea)
{
DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
}
protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
{
ms.Position = 0;
Metafile mf = new Metafile(ms);

for (int y = 0; y < cy; y += mf.Height)
for (int x = 0; x < cx; x += mf.Width)
grfx.DrawImage(mf, x, y, mf.Width, mf.Height);
}
}
</source>

==Create Metafile (Reload)==

<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Windows.Forms;
class CreateMetafileReload : Form {
const string strMetafile = "CreateMetafileReload.emf";
public static void Main() {
Application.Run(new CreateMetafileReload());
}
public CreateMetafileReload() {
ResizeRedraw = true;
if (!File.Exists(strMetafile)) {
Graphics grfx = CreateGraphics();
IntPtr ipHdc = grfx.GetHdc();
Metafile mf = new Metafile(strMetafile, ipHdc);
grfx.ReleaseHdc(ipHdc);
grfx.Dispose();
grfx = Graphics.FromImage(mf);
grfx.DrawEllipse(Pens.Black, 0, 0, 100, 100);
grfx.FillEllipse(Brushes.Blue, 60, 20, 20, 20);
grfx.DrawArc(new Pen(Color.Red, 10), 20, 20, 60, 60, 30, 120);
grfx.Dispose();
}
}
protected override void OnPaint(PaintEventArgs pea) {
DoPage(pea.Graphics, ForeColor, ClientSize.Width, ClientSize.Height);
}
protected void DoPage(Graphics grfx, Color clr, int cx, int cy) {
Metafile mf = new Metafile(strMetafile);
for (int y = 0; y < cy; y += mf.Height)
for (int x = 0; x < cx; x += mf.Width)
grfx.DrawImage(mf, x, y, mf.Width, mf.Height);
}
}
</source>

==Enumerate Metafile==

<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Runtime.InteropServices;
using System.Windows.Forms;

class EnumMetafile: Form
{
Metafile mf;
Panel panel = new Panel();

public static void Main()
{
Application.Run(new EnumMetafile());
}
public EnumMetafile()
{
Splitter splitter = new Splitter();
splitter.Parent = this;
splitter.Dock = DockStyle.Left; // Right;

panel.Parent = this;
panel.Dock = DockStyle.Left;
panel.Paint += new PaintEventHandler(PanelOnPaint);

Menu = new MainMenu();
Menu.MenuItems.Add("&Open!", new EventHandler(MenuOpenOnClick));
}
void MenuOpenOnClick(object obj, EventArgs ea)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "All Metafiles|*.wmf;*.emf|" +
"Windows Metafile (*.wmf)|*.wmf|" +
"Enhanced Metafile (*.emf)|*.emf";

if (dlg.ShowDialog() == DialogResult.OK)
{
mf = new Metafile(dlg.FileName);
panel.Invalidate();

Graphics grfx = CreateGraphics();

grfx.EnumerateMetafile(mf, new Point(0, 0),
new Graphics.EnumerateMetafileProc(EnumMetafileProc));

grfx.Dispose();
}
}
bool EnumMetafileProc(EmfPlusRecordType eprt, int iFlags,
int iDataSize, IntPtr ipData,
PlayRecordCallback prc)
{
if (iDataSize > 0)
{
byte[] abyData = new Byte[iDataSize];
Marshal.Copy(ipData, abyData, 0, iDataSize);

foreach (byte by in abyData)
Console.WriteLine(" {0:X2}", by);
}
return true;
}
void PanelOnPaint(object obj, PaintEventArgs pea)
{
Panel panel = (Panel) obj;
Graphics grfx = pea.Graphics;

if (mf != null)
grfx.DrawImage(mf, 0, 0);
}
}
</source>

==Metafile Page Units==

<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.Drawing.Printing;
using System.Windows.Forms;

class MetafilePageUnits: Form
{
Metafile mf;

public static void Main()
{
Application.Run(new MetafilePageUnits());
}
public MetafilePageUnits()
{
ResizeRedraw = true;
Graphics grfx = CreateGraphics();
IntPtr ipHdc = grfx.GetHdc();

mf = new Metafile("MetafilePageUnits.emf", ipHdc);

grfx.ReleaseHdc(ipHdc);
grfx.Dispose();
grfx = Graphics.FromImage(mf);
grfx.Clear(Color.White);

grfx.PageUnit = GraphicsUnit.Pixel;
Pen pen = new Pen(Color.Black, grfx.DpiX / 72);
grfx.DrawRectangle(pen, 0, 0, grfx.DpiX, grfx.DpiY);

grfx.PageUnit = GraphicsUnit.Inch;
grfx.PageScale = 0.01f;
pen = new Pen(Color.Black, 100f / 72);
grfx.DrawRectangle(pen, 25, 25, 100, 100);

grfx.Dispose();
}
protected void OnPaint(PaintEventArgs pea)
{
grfx.DrawImage(mf, 0, 0);
}
}
</source>

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Csharp/C Sharp/2D Graphics/wmf file - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия