в 15:31, 26 мая 2010

2010-05-26T15:31:35Z

Admin: 1 версия

2010-05-26T12:11:23Z

1 версия

Новая страница

==Bitmap.CompositingMode==

<source lang="csharp">
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class Form1 : Form {
protected override void OnPaint(PaintEventArgs e) {
Graphics gForm = e.Graphics;
gForm.FillRectangle(Brushes.White, this.ClientRectangle);
for (int i = 1; i <= 7; ++i)
{
Rectangle r = new Rectangle(i * 40 - 15, 0, 15,
this.ClientRectangle.Height);
gForm.FillRectangle(Brushes.Orange, r);
}
Bitmap bmp = new Bitmap(260, 260,System.Drawing.Imaging.PixelFormat.Format32bppArgb);
Graphics gBmp = Graphics.FromImage(bmp);
gBmp.rupositingMode = System.Drawing.Drawing2D.rupositingMode.SourceCopy;
gForm.DrawImage(bmp, 20, 20, bmp.Width, bmp.Height);
bmp.Dispose();
gBmp.Dispose();
}
public static void Main() {
Application.Run(new Form1());
}
}

</source>

==Bitmap.Height==

<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Imaging;
public class Form1 : System.Windows.Forms.Form
{
public Form1()
{
InitializeComponent();
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Text = "";
this.Resize += new System.EventHandler(this.Form1_Resize);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
}
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
Bitmap bmp = new Bitmap("winter.jpg");
Rectangle r = new Rectangle(0, 0, bmp.Width, bmp.Height);
g.DrawImage(bmp, r, r, GraphicsUnit.Pixel);
}
private void Form1_Resize(object sender, System.EventArgs e)
{
Invalidate();
}
}

</source>

==Bitmap.HorizontalResolution==

<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Imaging;
public class Form1 : System.Windows.Forms.Form
{
public Form1()
{
InitializeComponent();
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Text = "";
this.Resize += new System.EventHandler(this.Form1_Resize);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
}
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
Bitmap bmp = new Bitmap("winter.jpg");
g.DrawImage(bmp, 0, 0);
Console.WriteLine("Screen resolution: " + g.DpiX + "DPI");
Console.WriteLine("Image resolution: " + bmp.HorizontalResolution + "DPI");
Console.WriteLine("Image Width: " + bmp.Width);
Console.WriteLine("Image Height: " + bmp.Height);
SizeF s = new SizeF(bmp.Width * (g.DpiX / bmp.HorizontalResolution),
bmp.Height * (g.DpiY / bmp.VerticalResolution));
Console.WriteLine("Display size of image: " + s);
}
private void Form1_Resize(object sender, System.EventArgs e)
{
Invalidate();
}
}

</source>

==Bitmap.MakeTransparent( );==

<source lang="csharp">

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace BitmapOther_c
{
/// <summary>
/// Summary description for BitmapOther.
/// </summary>
public class BitmapOther : System.Windows.Forms.Form
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ruponentModel.Container components = null;
public BitmapOther()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
//
// BitmapOther
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Name = "BitmapOther";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "BitmapOther";
this.Load += new System.EventHandler(this.BitmapOther_Load);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new BitmapOther());
}
private void BitmapOther_Load(object sender, System.EventArgs e)
{

}
protected override void OnPaint ( PaintEventArgs e )
{
Bitmap BMP = new Bitmap("Colorbars.JPG");
Point Pt = new Point(20,20);
// BMP.SetPixel(15,20,Color.Black);
BMP.MakeTransparent( BMP.GetPixel(15,25) );
e.Graphics.DrawImage(BMP, Pt);
e.Graphics.DrawLine(new Pen(Brushes.GreenYellow,30),60,60,200,60);

}
}
}

</source>

==Bitmap.PhysicalDimension==

<source lang="csharp">

using System;
using System.IO;
using System.Drawing;

class MainClass
{
static public void Main()
{
Bitmap img = new Bitmap("winter.jpg");

Console.WriteLine(img.PhysicalDimension.ToString() );
Console.WriteLine(img.Height.ToString() );
Console.WriteLine(img.Width.ToString() );
Console.WriteLine(img.RawFormat.ToString() );
Console.WriteLine(img.Size.ToString() );
}
}

</source>

==Bitmap.PixelFormat==

<source lang="csharp">

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Text;
using System.Windows.Forms;
public class MainClass {
public static void Main() {
// Create two new bitmap images
Bitmap bmp1 = new Bitmap(100, 100, PixelFormat.Format32bppArgb);
Bitmap bmp2 = new Bitmap(100, 100, PixelFormat.Format24bppRgb);
// Test for alpha
bool b1 = ((bmp1.PixelFormat & PixelFormat.Alpha) != 0);
bool b2 = ((bmp2.PixelFormat & PixelFormat.Alpha) != 0);
// Output results to console window
Console.WriteLine("bmp1 has alpha?: " + b1);
Console.WriteLine("bmp2 has alpha?: " + b2);
// Clean up
bmp1.Dispose();
bmp2.Dispose();
}
}

</source>

==Bitmap.RawFormat==

<source lang="csharp">

using System;
using System.IO;
using System.Drawing;

class MainClass
{
static public void Main()
{
Bitmap img = new Bitmap("winter.jpg");

Console.WriteLine(img.PhysicalDimension.ToString() );
Console.WriteLine(img.Height.ToString() );
Console.WriteLine(img.Width.ToString() );
Console.WriteLine(img.RawFormat.ToString() );
Console.WriteLine(img.Size.ToString() );
}
}

</source>

==Bitmap.SetResolution(600f, 600f);==

<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Imaging;
public class Form1 : System.Windows.Forms.Form
{
public Form1()
{
InitializeComponent();
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Text = "";
this.Resize += new System.EventHandler(this.Form1_Resize);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
}
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
Bitmap bmp = new Bitmap("winter.jpg");
g.FillRectangle(Brushes.White, this.ClientRectangle);
bmp.SetResolution(600f, 600f);
g.DrawImage(bmp, 0, 0);
bmp.SetResolution(1200f, 1200f);
g.DrawImage(bmp, 180, 0);
}
private void Form1_Resize(object sender, System.EventArgs e)
{
Invalidate();
}
}

</source>

==Bitmap.Size==

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

class MainClass
{
static public void Main()
{
Bitmap img = new Bitmap("winter.jpg");

Console.WriteLine(img.PhysicalDimension.ToString() );
Console.WriteLine(img.Height.ToString() );
Console.WriteLine(img.Width.ToString() );
Console.WriteLine(img.RawFormat.ToString() );
Console.WriteLine(img.Size.ToString() );
}
}

</source>

==Bitmap.Width==

<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Imaging;
public class Form1 : System.Windows.Forms.Form
{
public Form1()
{
InitializeComponent();
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Text = "";
this.Resize += new System.EventHandler(this.Form1_Resize);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
}
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
Bitmap bmp = new Bitmap("winter.jpg");
Rectangle r = new Rectangle(0, 0, bmp.Width, bmp.Height);
g.DrawImage(bmp, this.ClientRectangle);
}
private void Form1_Resize(object sender, System.EventArgs e)
{
Invalidate();
}
}

</source>

==new Bitmap(String fileName)==

<source lang="csharp">
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class Form1 : Form {
protected override void OnPaint(PaintEventArgs e) {
Graphics g = e.Graphics;
Bitmap bmp = new Bitmap("rama.jpg");
Rectangle r = new Rectangle(0, 0, bmp.Width, bmp.Height);
g.DrawImage(bmp, r, r, GraphicsUnit.Pixel);
}
public static void Main() {
Application.Run(new Form1());
}
}

</source>

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Csharp/C Sharp by API/System.Drawing/Bitmap - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия