static public void DrawCenterText(int y, string text, IntPtr font)
{
int x = Glut.glutBitmapLength(font, text);
x = Globals.ScreenWidthOver2 - x / 2;
Gl.glRasterPos2f(x, y);
for (int i = 0; i < text.Length; i++)
{
Glut.glutBitmapCharacter(font, text[i]);
}
}
static public void DrawCenterText(int y, string text, IntPtr font, Color color)
{
Gl.glColor3ub(color.R, color.G, color.B);
int x = Glut.glutBitmapLength(font, text);
x = Globals.ScreenWidthOver2 - x / 2;
Gl.glRasterPos2f(x, y);
for (int i = 0; i < text.Length; i++)
{
Glut.glutBitmapCharacter(font, text[i]);
}
Gl.glColor3f(1, 1, 1);
}
static void Write(string str, float x, float y, int r, int g, int b, float size)
{
Gl.glPushMatrix();
Gl.glColor3f(r, g, b);
Glut.glutBitmapLength(Glut.GLUT_BITMAP_8_BY_13, str);
Gl.glRasterPos2f(x, y);
for (int i = 0; i < str.Length; i++)
{
Glut.glutBitmapCharacter(Glut.GLUT_BITMAP_8_BY_13, str[i]);
}
Gl.glPopMatrix();
}
public void DrawSystem()
{
if (n > 0)
{
// очищаем буфер цвета
Gl.glClear(Gl.GL_COLOR_BUFFER_BIT);
// очищаем текущую матрицу
Gl.glLoadIdentity();
// устанавливаем текущий цвет - красный
Gl.glColor3i(0, 0, 0);
//отрисовка ограничивающего прямоугольника
Gl.glBegin(Gl.GL_LINE);
Gl.glVertex2d(min_x, min_y);
Gl.glVertex2d(max_x, min_y);
Gl.glVertex2d(max_x, max_y);
Gl.glVertex2d(min_x, max_y);
Gl.glEnd();
int i, j;
double x1, x2, y1, y2;
double hx5, hy5;
//чёрточки жирные
Gl.glLineWidth(1);
Gl.glBegin(Gl.GL_LINES);
//ось oy
hx5 = hx / 5.0;
hy5 = hy / 5.0;
//левая часть прямоугольника
x1 = x2 = min_x;
double lsx;
lsx = 11 * prx;
x1 = x1 - lsx / 2;
x2 = x2 + lsx / 2;
Gl.glVertex2d((x1 + x2) / 2, min_y);
Gl.glVertex2d((x1 + x2) / 2, max_y);
for (j = 0; j < ny + 1; j++)
{
//крупная чёрточка
y2 = y1 = min_y + j * hy;
Gl.glVertex2d(x1, y1);
Gl.glVertex2d(x2, y2);
//мелкие чёрточки
if (j < ny)
{
for (i = 1; i < 5; i++)
{
y2 = y1 = min_y + j * hy + i * hy5;
Gl.glVertex2d(min_x + lsx / 4, y1);
Gl.glVertex2d(min_x - lsx / 4, y2);
}
}
}
//правая часть прямоугольника
x1 = x2 = max_x;
x2 = x2 - lsx / 2;
Gl.glVertex2d(x1, min_y);
Gl.glVertex2d(x1, max_y);
for (j = 0; j < ny + 1; j++)
{
y2 = y1 = min_y + j * hy;
Gl.glVertex2d(x1, y1);
Gl.glVertex2d(x2, y2);
//мелкие чёрточки
if (j < ny)
{
for (i = 1; i < 5; i++)
{
y2 = y1 = min_y + j * hy + i * hy5;
Gl.glVertex2d(max_x - lsx / 4, y1);
Gl.glVertex2d(max_x, y2);
}
}
}
//ось ox
//нижняя часть прямоугольника
double lsy;
lsy = pry * 11;
y1 = y2 = min_y;
y1 = y1 - lsy / 2;
y2 = y2 + lsy / 2;
Gl.glVertex2d(min_x, (y1 + y2) / 2);
Gl.glVertex2d(max_x, (y1 + y2) / 2);
for (j = 0; j < nx + 1; j++)
{
x2 = x1 = min_x + j * hx;
Gl.glVertex2d(x1, y1);
Gl.glVertex2d(x2, y2);
//мелкие чёрточки
if (j < nx)
{
for (i = 1; i < 5; i++)
{
x2 = x1 = min_x + j * hx + i * hx5;
Gl.glVertex2d(x1, min_y - lsy / 4);
Gl.glVertex2d(x2, min_y + lsy / 4);
}
}
}
//верхняя часть прямоугольника
y1 = y2 = max_y;
y2 = y2 - lsy / 2;
Gl.glVertex2d(min_x, max_y);
Gl.glVertex2d(max_x, max_y);
for (j = 0; j < nx + 1; j++)
{
x2 = x1 = min_x + j * hx;
Gl.glVertex2d(x1, y1);
Gl.glVertex2d(x2, y2);
//мелкие чёрточки
if (j < nx)
{
for (i = 1; i < 5; i++)
{
x2 = x1 = min_x + j * hx + i * hx5;
Gl.glVertex2d(x1, max_y - lsy / 2);
Gl.glVertex2d(x2, max_y);
}
}
}
Gl.glEnd();
//надписи
//ось oy
string value;
int hmark, lmark;
hmark = Glut.glutBitmapHeight(Glut.GLUT_BITMAP_HELVETICA_18);
x1 = min_x;
for (j = 0; j < ny + 1; j++)
{
//значение
y1 = min_y + j * hy - 5 * pry;
value = (Math.Round((min_y + j * hy), Convert.ToInt32(Math.Abs(pow_x) + 1))).ToString();
lmark = Glut.glutBitmapLength(Glut.GLUT_BITMAP_HELVETICA_18, value);
Gl.glRasterPos2d(x1 - lmark * prx - 6 * prx, y1); // Set the position for the string (text)
Glut.glutBitmapString(Glut.GLUT_BITMAP_HELVETICA_18, value);
}
//подпись оси oy
//y1 = min_y + j * hy - 5 * pry;
//value = name_y;
//lmark = Glut.glutBitmapLength(Glut.GLUT_BITMAP_HELVETICA_18, value);
//Gl.glRasterPos2d(x1 - lmark * prx - 6 * prx, y1); // Set the position for the string (text)
//Glut.glutBitmapString(Glut.GLUT_BITMAP_TIMES_ROMAN_24, value);
creatLabelY();
LoadTexture(labelY);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MAG_FILTER, Gl.GL_LINEAR);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MIN_FILTER, Gl.GL_LINEAR);
Gl.glEnable(Gl.GL_TEXTURE_2D);
y1 = min_y + j * hy - hy + 31 * pry;
Gl.glColor3f(255, 255, 255);
Gl.glBegin(Gl.GL_QUADS);
Gl.glTexCoord2d(1, 0); Gl.glVertex2d(x1 - ddx + 128 * prx, y1 + 32 * pry);
Gl.glTexCoord2d(1, 1); Gl.glVertex2d(x1 - ddx + 128 * prx, y1);
Gl.glTexCoord2d(0, 1); Gl.glVertex2d(x1 - ddx, y1);
Gl.glTexCoord2d(0, 0); Gl.glVertex2d(x1 - ddx, y1 + 32 * pry);
Gl.glEnd();
Gl.glDisable(Gl.GL_TEXTURE_2D);
//ось ox
Gl.glColor3f(0, 0, 0);
y1 = min_y - hmark * pry;
for (j = 0; j < nx + 1; j++)
{
//значение
value = (Math.Round((min_x + j * hx), Convert.ToInt32(Math.Abs(pow_x) + 1))).ToString();
lmark = Glut.glutBitmapLength(Glut.GLUT_BITMAP_HELVETICA_18, value);
x1 = min_x + j * hx - 0.5 * lmark * prx;
Gl.glRasterPos2d(x1, y1); // Set the position for the string (text)
Glut.glutBitmapString(Glut.GLUT_BITMAP_HELVETICA_18, value);
}
//подпись оси oх
//creatLabelX();
//value = name_x;
//y1 = min_y - (hmark + Glut.glutBitmapHeight(Glut.GLUT_BITMAP_TIMES_ROMAN_24)) * pry;
//x1 = (min_x+max_x)/2 - 7.5 * value.Count() * prx;
//Gl.glRasterPos2d(x1, y1); // Set the position for the string (text)
//Glut.glutBitmapString(Glut.GLUT_BITMAP_TIMES_ROMAN_24, value);
creatLabelX();
LoadTexture(labelX);
Gl.glEnable(Gl.GL_TEXTURE_2D);
y1 = min_y - hmark * pry - 33 * pry;
x1 = (min_x + max_x) / 2;
Gl.glColor3f(255, 255, 255);
Gl.glBegin(Gl.GL_QUADS);
Gl.glTexCoord2d(1, 0); Gl.glVertex2d(x1 + 64 * prx, y1 + 31 * pry);
Gl.glTexCoord2d(1, 1); Gl.glVertex2d(x1 + 64 * prx, y1);
Gl.glTexCoord2d(0, 1); Gl.glVertex2d(x1 - 55 * prx, y1);
Gl.glTexCoord2d(0, 0); Gl.glVertex2d(x1 - 55 * prx, y1 + 31 * pry);
Gl.glEnd();
Gl.glDisable(Gl.GL_TEXTURE_2D);
//labelX.Save("lx.bmp");
}
}
static public int FontWidth(IntPtr font, string text)
{
return(Glut.glutBitmapLength(font, text));
}