в 15:31, 26 мая 2010

2010-05-26T15:31:19Z

Admin: 1 версия

2010-05-26T11:41:37Z

1 версия

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==Enumerate LinearGradientMode==

<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;
using System.Drawing.Drawing2D;
public class MainForm : Form {
public MainForm() {
CenterToScreen();
}
protected void OnPaint(PaintEventArgs e) {
Graphics g = e.Graphics;
Rectangle r = new Rectangle(10, 10, 100, 100);
LinearGradientBrush theBrush = null;
int yOffSet = 10;
Array obj = Enum.GetValues(typeof(LinearGradientMode));
for (int x = 0; x < obj.Length; x++) {
LinearGradientMode temp = (LinearGradientMode)obj.GetValue(x);
theBrush = new LinearGradientBrush(r, Color.GreenYellow,
Color.Blue, temp);
g.DrawString(temp.ToString(), new Font("Times New Roman", 10),
new SolidBrush(Color.Black), 0, yOffSet);
g.FillRectangle(theBrush, 150, yOffSet, 200, 50);
yOffSet += 80;
}
}
}
</source>

==LinearGradientMode.Horizontal, Vertical, BackwardDiagonal, ForwardDiagonal==

<source lang="csharp">
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Drawing2D;
public class Form1 : System.Windows.Forms.Form {
[STAThread]
static void Main() {
Application.Run(new Form1());
}
protected override void OnPaint(PaintEventArgs e) {
Graphics g = e.Graphics;
Font f = new Font(new FontFamily("Times New Roman"), 10);
Brush fb = new SolidBrush(Color.Black);
LinearGradientBrush lGB;
Color cR = Color.Red, cW = Color.White;
int w = 100, h = 70;
g.DrawString("Horizontal", f, fb, 10, 5);
Rectangle rec = new Rectangle(10, 20, w, h);
LinearGradientMode lGM = LinearGradientMode.Horizontal;
lGB = new LinearGradientBrush(rec, cR, cW, lGM);
g.FillRectangle(lGB, rec);
g.DrawString("Vertical", f, fb, w + 20, 5);
rec.Offset(w + 10, 0);
lGM = LinearGradientMode.Vertical;
lGB = new LinearGradientBrush(rec, cR, cW, lGM);
g.FillRectangle(lGB, rec);
g.DrawString("ForwardDiagonal", f, fb, 10, h + 25);
rec.Offset(-w - 10, h + 20);
lGM = LinearGradientMode.ForwardDiagonal;
lGB = new LinearGradientBrush(rec, cR, cW, lGM);
g.FillRectangle(lGB, rec);
g.DrawString("BackwardDiagonal", f, fb, w + 20, h + 25);
rec.Offset(w + 10, 0);
lGM = LinearGradientMode.BackwardDiagonal;
lGB = new LinearGradientBrush(rec, cR, cW, lGM);
g.FillRectangle(lGB, rec);
fb.Dispose();
g.Dispose();
}
}
</source>

==Rectangle Linear-Gradient Brush==

<source lang="csharp">

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

class RectangleLinearGradientBrush: Form
{
MenuItem miChecked;

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

Menu = new MainMenu();
Menu.MenuItems.Add("&Gradient-Mode");

foreach (LinearGradientMode gm in
Enum.GetValues(typeof(LinearGradientMode)))
{
MenuItem mi = new MenuItem();
mi.Text = gm.ToString();
mi.Click += new EventHandler(MenuGradientModeOnClick);
Menu.MenuItems[0].MenuItems.Add(mi);
}
miChecked = Menu.MenuItems[0].MenuItems[0];
miChecked.Checked = true;
}
void MenuGradientModeOnClick(object obj, EventArgs ea)
{
miChecked.Checked = false;
miChecked = (MenuItem) obj;
miChecked.Checked = true;
Invalidate();
}
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)
{
Rectangle rectBrush =
new Rectangle(cx / 4, cy / 4, cx / 2, cy / 2);

LinearGradientBrush lgbrush =
new LinearGradientBrush(
rectBrush, Color.White, Color.Black,
(LinearGradientMode) miChecked.Index);

grfx.FillRectangle(lgbrush, 0, 0, cx, cy);
grfx.DrawRectangle(Pens.Black, rectBrush);
}
}
</source>

==Two-Point Linear Gradient Brush==

<source lang="csharp">
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

class TwoPointLinearGradientBrush: Form
{
public static void Main()
{
Application.Run(new TwoPointLinearGradientBrush());
}
TwoPointLinearGradientBrush()
{
ResizeRedraw = true;
}
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)
{
LinearGradientBrush lgbrush =
new LinearGradientBrush(
new Point(cx / 4, cy / 4),
new Point(3 * cx / 4, 3 * cy / 4),
Color.White, Color.Black);

grfx.FillRectangle(lgbrush, 0, 0, cx, cy);
}
}
</source>

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Csharp/C Sharp/2D Graphics/LinearGradientBrush - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия