1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class F_Main : Form
{
public F_Main()
{
InitializeComponent();
}
/// Acces à l'image de pictureBox1 (F_Main)
/// Pour passage vers F_NDG
public Image img_picturebox()
{
Image img;
img = pictureBox1.Image;
return img;
}
/// END
private void F_Main_Load(object sender, EventArgs e)
{
}
private void label1_Click(object sender, EventArgs e)
{
}
private void pictureBox1_Click(object sender, EventArgs e)
{
}
private void pictureBox2_Click(object sender, EventArgs e)
{
}
private void fermerToolStripMenuItem_Click(object sender, EventArgs e)
{
this.Close();
}
void ouvrir_Click_1(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "Image Files | *.png;*.jpg;*.bmp;*.jpeg;*.bmp";
DialogResult result = ofd.ShowDialog();
if (result == DialogResult.OK)
{
string picture_path = ofd.FileName;
Bitmap picture = (Bitmap)Bitmap.FromFile(picture_path);
this.pictureBox1.Image = picture;
byte[] pixel_map = this.GetPixelMap(picture);
this.pictureBox2.Image = this.CreateHistogram(pixel_map);
this.comboBox1.Enabled = true;
}
}
private byte[] GetPixelMap(Bitmap picture)
{
int size = picture.Width * picture.Height;
int channel_index = this.comboBox1.SelectedIndex;
int picture_width = picture.Width;
int picture_height = picture.Height;
byte[] pixels_map = new byte[size];
for (int i = 0; i < picture_height; i++)
{
for (int j = 0; j < picture_width; j++)
{
Color color = picture.GetPixel(j, i);
byte color_intensity = 0;
switch (channel_index)
{
case 0:
color_intensity = color.R;
break;
case 1:
color_intensity = color.G;
break;
case 2:
color_intensity = color.B;
break;
}
pixels_map[j + picture_width * i] = color_intensity;
}
}
return pixels_map;
}
private Bitmap CreateHistogram(byte[] pixel_map)
{
int size = pixel_map.Length;
int index = this.comboBox1.SelectedIndex;
int[] histogram = new int[256];
int max = 0;
for (int i = 0; i < size; i++)
{
int pixel_value = pixel_map[i];
histogram[pixel_value]++;
if (histogram[pixel_value] > max)
{
max = histogram[pixel_value];
}
}
Point[] points = new Point[Byte.MaxValue + 3];
points[0].X = 0;
points[0].Y = 190;
for (int i = 0; i < Byte.MaxValue + 1; i++)
{
points[i + 1].X = i;
points[i + 1].Y = Convert.ToInt32(190 - Convert.ToDouble(histogram[i]) / max * 180);
}
points[Byte.MaxValue + 2].X = Byte.MaxValue;
points[Byte.MaxValue + 2].Y = 190;
Bitmap picture_histogram = new Bitmap(300, 300);
Graphics graphic_histogram = Graphics.FromImage(picture_histogram);
Pen pen = new Pen(Color.Black);
pen.Brush = new SolidBrush(Color.Black);
graphic_histogram.FillPolygon(pen.Brush, points);
graphic_histogram.DrawLine(pen, new Point(0, 195), new Point(260, 195));
graphic_histogram.DrawLine(pen, new Point(255, 197), new Point(260, 195));
graphic_histogram.DrawLine(pen, new Point(255, 193), new Point(260, 195));
return picture_histogram;
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
Bitmap picture = (Bitmap)this.pictureBox1.Image;
if (picture != null)
{
byte[] pixel_map = this.GetPixelMap(picture);
this.pictureBox2.Image = this.CreateHistogram(pixel_map);
}
}
private void comboBox1_SelectedIndexChanged_1(object sender, EventArgs e)
{
}
private void Btn_Taille_Click(object sender, EventArgs e)
{
if (pictureBox1.Image != null)
{
B_Affi_Taille1.Text = (pictureBox1.Image.Width.ToString());
B_Affi_Taille2.Text = (pictureBox1.Image.Height.ToString());
Total.Text = (pictureBox1.Image.PixelFormat.ToString());
}
else
{
MessageBox.Show("Erreur de chargement");
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "Image Files | *.png;*.jpg;*.bmp;*.jpeg;*.bmp";
DialogResult result = ofd.ShowDialog();
}
}
private void sauverImageToolStripMenuItem_Click(object sender, EventArgs e)
{
Bitmap bmp = new Bitmap(pictureBox1.ClientSize.Width, pictureBox1.ClientSize.Height);
Graphics g = Graphics.FromImage(bmp);
bmp.Save(@"c:/picturebox.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
MessageBox.Show("Image Enregistrée");
}
private void niveauDeGrisToolStripMenuItem_Click_1(object sender, EventArgs e)
{
Bitmap _img = new Bitmap(pictureBox1.Width,pictureBox1.Height);
F_NDG Fndg = new F_NDG(_img);
Fndg.Show();
}
private void egalisationToolStripMenuItem_Click(object sender, EventArgs e)
{
Bitmap _img2 = new Bitmap(pictureBox1.Width, pictureBox1.Height);
F_Egal F2 = new F_Egal(_img2);
F2.Show();
}
private void planCouleurToolStripMenuItem_Click(object sender, EventArgs e)
{
Bitmap _img3 = new Bitmap(pictureBox1.Width, pictureBox1.Height);
F_Plan F3 = new F_Plan(_img3);
F3.Show();
}
private void Btn_Traiter_Click(object sender, EventArgs e)
{
Bitmap picture = (Bitmap)this.pictureBox1.Image;
if (picture != null)
{
// this.pictureBox4.Image = MakeGrayscale(picture);
}
}
}
} |
