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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Imaging;
namespace PrintImageWithTransparency
{
public partial class Form1 : Form
{
Graphics grImage;
//2 images en resources
Image currentImage1;
Image currentImage2;
ImageAttributes imgattr;
Rectangle rcDestImage;
Bitmap bmp;
ColorMatrix cMatrix;
public Form1()
{
InitializeComponent();
currentImage1 = PrintImageWithTransparency.Properties.Resources.giraffe;
currentImage2 = PrintImageWithTransparency.Properties.Resources.Nenuphars;
pictureBox1.Image = new Bitmap(400, 400);
this.pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
cMatrix = new ColorMatrix();
cMatrix.Matrix33 = 0.4f;
imgattr = new ImageAttributes();
imgattr.SetColorMatrix(cMatrix, ColorMatrixFlag.Default, ColorAdjustType.Default);
}
private void button1_Click(object sender, EventArgs e)
{
grImage = Graphics.FromImage(pictureBox1.Image );
//dessine image1
bmp = new Bitmap(currentImage1);
rcDestImage = new Rectangle(0, 0,
bmp.Width, bmp.Height);
grImage.DrawImage(bmp, rcDestImage, 0, 0, bmp.Width,
bmp.Height, GraphicsUnit.Pixel, imgattr);
//dessine un texte transparent
bmp = new Bitmap(200, 200);
Graphics grText = Graphics.FromImage(bmp);
string s = "HORS DE MA VUE ,MARAUD";
Font fnt = new Font("Times New Roman", 32.0F);
StringFormat ftext = new StringFormat();
ftext.FormatFlags = StringFormatFlags.NoClip;
grText.DrawString(s, fnt, new SolidBrush(Color.Blue), new PointF(0, 0), ftext);
rcDestImage = new Rectangle(100, 100,
bmp.Width, bmp.Height);
grImage.DrawImage(bmp, rcDestImage, 0, 0, bmp.Width,
bmp.Height, GraphicsUnit.Pixel, imgattr);
//dessine image2
bmp = new Bitmap(currentImage2);
rcDestImage = new Rectangle(0, 0,
bmp.Width, bmp.Height);
grImage.DrawImage(bmp, rcDestImage, 0, 0, bmp.Width,
bmp.Height, GraphicsUnit.Pixel, imgattr);
pictureBox1.Invalidate();
}
private void button2_Click(object sender, EventArgs e)
{
this.printDocument1.Print();
}
private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
grImage = e.Graphics;
//dessine image1 avec le ColorMatrix.
bmp = new Bitmap(currentImage1);
rcDestImage = new Rectangle(0, 0,
bmp.Width, bmp.Height);
grImage.DrawImage(bmp, rcDestImage, 0, 0, bmp.Width,
bmp.Height, GraphicsUnit.Pixel, imgattr);
//dessine un texte transparent avec le ColorMatrix.
bmp = new Bitmap(200, 200);
Graphics grText = Graphics.FromImage(bmp);
string s = "HORS DE MA VUE ,MARAUD";
Font fnt = new Font("Times New Roman", 42.0F);
StringFormat ftext = new StringFormat();
ftext.FormatFlags = StringFormatFlags.NoClip;
grText.DrawString(s, fnt, new SolidBrush(Color.Blue), new PointF(0, 0), ftext);
rcDestImage = new Rectangle(100, 100,
bmp.Width, bmp.Height);
grImage.DrawImage(bmp, rcDestImage, 0, 0, bmp.Width,
bmp.Height, GraphicsUnit.Pixel, imgattr);
//dessine image2 avec le ColorMatrix.
bmp = new Bitmap(currentImage2);
rcDestImage = new Rectangle(0, 0,
bmp.Width, bmp.Height);
grImage.DrawImage(bmp, rcDestImage, 0, 0, bmp.Width,
bmp.Height, GraphicsUnit.Pixel, imgattr);
}
}
} |
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