ghassan.qou
01-12-2007, 11:47 PM
الحل العملي لتعين الرسم بالحاسوب مطبق جاهز
/************************************************** ***********************/
/************************************************** ***********************
A C++ program to illustrate the implementation of Reflection Transformation
about the line y=x and y=-x.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************
Personal Data:
Name: Ghassan Ahmad Elias Ayesh.
Address: Bethlehem.
Email address:( تم حذف البريد الإلكتروني آليا لأن عرضه مخالف لشروط المنتدى )
Martial status: single.
Education:
Al-Quds Open University.
B.A degree in Computer Information Systems.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//--------------------------- Header Files ----------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
# include <iostream.h>
# include <graphics.h>
# include <conio.h>
# include <math.h>
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------- Function Prototypes -------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
void show_screen( );
void apply_reflection_about_line_yex(const int,int []);
void apply_reflection_about_line_yemx(const int,int []);
void apply_reflection_along_x_axis(const int,int []);
void apply_reflection_along_y_axis(const int,int []);
void apply_rotation(const int,int [],float);
void multiply_matrices(const float[3],const float[3][3],float[3]);
void Polygon(const int,const int []);
void Line(const int,const int,const int,const int);
void Dashed_line(const int,const int,const int,const int,const int=0);
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------------ main( ) ------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
int main( )
{
int driver=VGA;
int mode=VGAHI;
initgraph(&driver,&mode,"..\\Bgi");
show_screen( );
setcolor(15);
Line(320,100,320,400);
Line(315,105,320,100);
Line(320,100,325,105);
Line(315,395,320,400);
Line(320,400,325,395);
Line(150,240,500,240);
Line(150,240,155,235);
Line(150,240,155,245);
Line(500,240,495,235);
Line(500,240,495,245);
Dashed_line(160,400,460,100,0);
Dashed_line(180,100,480,400,0);
settextstyle(2,0,4);
outtextxy(305,85,"y-axis");
outtextxy(305,402,"y'-axis");
outtextxy(505,233,"x-axis");
outtextxy(105,233,"x'-axis");
outtextxy(350,100,"Reflection about the line y=x");
outtextxy(115,100,"Reflection about the line y=-x");
int x_polygon[8]={ 340,200, 420,120, 370,120, 340,200 };
int y_polygon[8]={ 300,200, 220,120, 270,120, 300,200 };
setcolor(15);
Polygon(4,x_polygon);
Polygon(4,y_polygon);
apply_reflection_about_line_yex(4,x_polygon);
apply_reflection_about_line_yemx(4,y_polygon);
setcolor(7);
Polygon(4,x_polygon);
Polygon(4,y_polygon);
getch( );
return 0;
}
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------ Funcion Definitions ------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//---------------- apply_reflection_about_line_yex( ) -----------------//
/************************************************** ***********************/
void apply_reflection_about_line_yex(const int n,int coordinates[])
{
apply_rotation(n,coordinates,45);
apply_reflection_along_x_axis(n,coordinates);
apply_rotation(n,coordinates,-45);
}
/************************************************** ***********************/
//--------------- apply_reflection_about_line_yemx( ) -----------------//
/************************************************** ***********************/
void apply_reflection_about_line_yemx(const int n,int coordinates[])
{
apply_rotation(n,coordinates,45);
apply_reflection_along_y_axis(n,coordinates);
apply_rotation(n,coordinates,-45);
}
/************************************************** ***********************/
//------------------------- apply_rotation( ) -------------------------//
/************************************************** ***********************/
void apply_rotation(const int n,int coordinates[],float angle)
{
float xr=320;
float yr=240;
angle*=(M_PI/180);
for(int count_1=0;count_1<n;count_1++)
{
float matrix_a[3]={coordinates[(count_1*2)],
coordinates[((count_1*2)+1)],1};
float temp_1=(((1-cos(angle))*xr)+(yr*sin(angle)));
float temp_2=(((1-cos(angle))*yr)-(xr*sin(angle)));
float matrix_b[3][3]={ { cos(angle),sin(angle),0 } ,
{ -sin(angle),cos(angle),0 } ,
{ temp_1,temp_2,1 } };
float matrix_c[3]={0};
multiply_matrices(matrix_a,matrix_b,matrix_c);
coordinates[(count_1*2)]=(int)(matrix_c[0]+0.5);
coordinates[((count_1*2)+1)]=(int)(matrix_c[1]+0.5);
}
}
/************************************************** ***********************/
//------------------ apply_reflection_along_x_axis( ) -----------------//
/************************************************** ***********************/
void apply_reflection_along_x_axis(const int n,int coordinates[])
{
for(int count=0;count<n;count++)
{
float matrix_a[3]={coordinates[(count*2)],
coordinates[((count*2)+1)],1};
float matrix_b[3][3]={ {1,0,0} , {0,-1,0} ,{ 0,0,1} };
float matrix_c[3]={0};
multiply_matrices(matrix_a,matrix_b,matrix_c);
coordinates[(count*2)]=matrix_c[0];
coordinates[((count*2)+1)]=(480+matrix_c[1]);
}
}
/************************************************** ***********************/
//------------------ apply_reflection_along_y_axis( ) -----------------//
/************************************************** ***********************/
void apply_reflection_along_y_axis(const int n,int coordinates[])
{
for(int count=0;count<n;count++)
{
float matrix_a[3]={coordinates[(count*2)],
coordinates[((count*2)+1)],1};
float matrix_b[3][3]={ {-1,0,0} , {0,1,0} ,{ 0,0,1} };
float matrix_c[3]={0};
multiply_matrices(matrix_a,matrix_b,matrix_c);
coordinates[(count*2)]=(640+matrix_c[0]);
coordinates[((count*2)+1)]=matrix_c[1];
}
}
/************************************************** **********************/
//---------------------- multiply_matrices( ) ------------------------//
/************************************************** **********************/
void multiply_matrices(const float matrix_1[3],
const float matrix_2[3][3],float matrix_3[3])
{
for(int count_1=0;count_1<3;count_1++)
{
for(int count_2=0;count_2<3;count_2++)
matrix_3[count_1]+=
(matrix_1[count_2]*matrix_2[count_2][count_1]);
}
}
/************************************************** ***********************/
//----------------------------- Polygon( ) ----------------------------//
/************************************************** ***********************/
void Polygon(const int n,const int coordinates[])
{
if(n>=2)
{
Line(coordinates[0],coordinates[1],
coordinates[2],coordinates[3]);
for(int count=1;count<(n-1);count++)
Line(coordinates[(count*2)],coordinates[((count*2)+1)],
coordinates[((count+1)*2)],
coordinates[(((count+1)*2)+1)]);
}
}
/************************************************** ***********************/
//------------------------------- Line( ) -----------------------------//
/************************************************** ***********************/
void Line(const int x_1,const int y_1,const int x_2,const int y_2)
{
int color=getcolor( );
int x1=x_1;
int y1=y_1;
int x2=x_2;
int y2=y_2;
if(x_1>x_2)
{
x1=x_2;
y1=y_2;
x2=x_1;
y2=y_1;
}
int dx=abs(x2-x1);
int dy=abs(y2-y1);
int inc_dec=((y2>=y1)?1:-1);
if(dx>dy)
{
int two_dy=(2*dy);
int two_dy_dx=(2*(dy-dx));
int p=((2*dy)-dx);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(x<x2)
{
x++;
if(p<0)
p+=two_dy;
else
{
y+=inc_dec;
p+=two_dy_dx;
}
putpixel(x,y,color);
}
}
else
{
int two_dx=(2*dx);
int two_dx_dy=(2*(dx-dy));
int p=((2*dx)-dy);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(y!=y2)
{
y+=inc_dec;
if(p<0)
p+=two_dx;
else
{
x++;
p+=two_dx_dy;
}
putpixel(x,y,color);
}
}
}
/************************************************** ***********************/
//--------------------------- Dashed_line( ) --------------------------//
/************************************************** ***********************/
void Dashed_line(const int x_1,const int y_1,const int x_2,
const int y_2,const int line_type)
{
int count=0;
int color=getcolor( );
int x1=x_1;
int y1=y_1;
int x2=x_2;
int y2=y_2;
if(x_1>x_2)
{
x1=x_2;
y1=y_2;
x2=x_1;
y2=y_1;
}
int dx=abs(x2-x1);
int dy=abs(y2-y1);
int inc_dec=((y2>=y1)?1:-1);
if(dx>dy)
{
int two_dy=(2*dy);
int two_dy_dx=(2*(dy-dx));
int p=((2*dy)-dx);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(x<x2)
{
x++;
if(p<0)
p+=two_dy;
else
{
y+=inc_dec;
p+=two_dy_dx;
}
if((count%2)!=0 && line_type==0)
putpixel(x,y,color);
else if((count%5)!=4 && line_type==1)
putpixel(x,y,color);
else if((count%10)!=8 && (count%10)!=9 && line_type==2)
putpixel(x,y,color);
else if((count%20)!=18 && (count%20)!=19 && line_type==3)
putpixel(x,y,color);
else if((count%12)!=7 && (count%12)!=8 &&
(count%12)!=10 && (count%12)!=11 && line_type==4)
putpixel(x,y,color);
count++;
}
}
else
{
int two_dx=(2*dx);
int two_dx_dy=(2*(dx-dy));
int p=((2*dx)-dy);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(y!=y2)
{
y+=inc_dec;
if(p<0)
p+=two_dx;
else
{
x++;
p+=two_dx_dy;
}
if((count%2)!=0 && line_type==0)
putpixel(x,y,color);
else if((count%5)!=4 && line_type==1)
putpixel(x,y,color);
else if((count%10)!=8 && (count%10)!=9 && line_type==2)
putpixel(x,y,color);
else if((count%20)!=18 && (count%20)!=19 && line_type==3)
putpixel(x,y,color);
else if((count%12)!=7 && (count%12)!=8 &&
(count%12)!=10 && (count%12)!=11 && line_type==4)
putpixel(x,y,color);
count++;
}
}
}
/************************************************** ***********************/
//-------------------------- show_screen( ) ---------------------------//
/************************************************** ***********************/
void show_screen( )
{
setfillstyle(1,1);
bar(208,26,430,38);
settextstyle(0,0,1);
setcolor(15);
outtextxy(5,5,"************************************************** ****************************");
outtextxy(5,17,"*-************************************************** ************************-*");
outtextxy(5,29,"*----------------------- -----------------------*");
outtextxy(5,41,"*-************************************************** ************************-*");
outtextxy(5,53,"*-************************************************** ************************-*");
setcolor(11);
outtextxy(218,29,"Reflection Transformation");
setcolor(15);
for(int count=0;count<=30;count++)
outtextxy(5,(65+(count*12)),"*-* *-*");
outtextxy(5,438,"*-************************************************** ************************-*");
outtextxy(5,450,"*------------------------- -------------------------*");
outtextxy(5,462,"************************************************** ****************************");
setcolor(12);
outtextxy(229,450,"Press any Key to exit.");
}
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------------- THE END -------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
************************************************** ************************************************** *****************
/************************************************** ***********************/
/************************************************** ***********************
A C++ program to illustrate the implementation of X-Direction Shear
Transformation.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************
Personal Data:
Name: Ghassan Ahmad Elias Ayesh.
Address: Bethlehem.
Email address:( تم حذف البريد الإلكتروني آليا لأن عرضه مخالف لشروط المنتدى )
Martial status: single.
Education:
Al-Quds Open University.
B.A degree in Computer Information Systems.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//--------------------------- Header Files ----------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
# include <iostream.h>
# include <graphics.h>
# include <conio.h>
# include <math.h>
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------- Function Prototypes -------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
void show_screen( );
void apply_x_direction_shear(const int,int [],const float);
void multiply_matrices(const float[3],const float[3][3],float[3]);
void Polygon(const int,const int []);
void Line(const int,const int,const int,const int);
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------------ main( ) ------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
int main( )
{
int driver=VGA;
int mode=VGAHI;
initgraph(&driver,&mode,"..\\Bgi");
show_screen( );
int polygon_points[10]={ 270,340, 270,140, 370,140, 370,340, 270,340 };
setcolor(15);
Polygon(5,polygon_points);
setcolor(15);
settextstyle(0,0,1);
outtextxy(50,415,"*** Use Left and Right Arrow Keys to apply X-Direction Shear.");
int key_code_1=0;
int key_code_2=0;
char Key_1=NULL;
char Key_2=NULL;
do
{
Key_1=NULL;
Key_2=NULL;
key_code_1=0;
key_code_2=0;
Key_1=getch( );
key_code_1=int(Key_1);
if(key_code_1==0)
{
Key_2=getch( );
key_code_2=int(Key_2);
}
if(key_code_1==27)
break;
else if(key_code_1==0)
{
if(key_code_2==75)
{
setfillstyle(1,0);
bar(40,70,600,410);
apply_x_direction_shear(5,polygon_points,-0.1);
setcolor(12);
Polygon(5,polygon_points);
}
else if(key_code_2==77)
{
setfillstyle(1,0);
bar(40,70,600,410);
apply_x_direction_shear(5,polygon_points,0.1);
setcolor(10);
Polygon(5,polygon_points);
}
}
}
while(1);
return 0;
}
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------ Funcion Definitions ------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//--------------------- apply_x_direction_shear( ) --------------------//
/************************************************** ***********************/
void apply_x_direction_shear(const int n,int coordinates[],const float Sh_x)
{
for(int count=0;count<n;count++)
{
float matrix_a[3]={coordinates[(count*2)],
coordinates[((count*2)+1)],1};
float matrix_b[3][3]={ {1,0,0} , {Sh_x,1,0} ,{ 0,0,1} };
float matrix_c[3]={0};
multiply_matrices(matrix_a,matrix_b,matrix_c);
coordinates[(count*2)]=(matrix_c[0]+0.5);
coordinates[((count*2)+1)]=(matrix_c[1]+0.5);
}
}
/************************************************** **********************/
//---------------------- multiply_matrices( ) ------------------------//
/************************************************** **********************/
void multiply_matrices(const float matrix_1[3],
const float matrix_2[3][3],float matrix_3[3])
{
for(int count_1=0;count_1<3;count_1++)
{
for(int count_2=0;count_2<3;count_2++)
matrix_3[count_1]+=
(matrix_1[count_2]*matrix_2[count_2][count_1]);
}
}
/************************************************** ***********************/
//----------------------------- Polygon( ) ----------------------------//
/************************************************** ***********************/
void Polygon(const int n,const int coordinates[])
{
if(n>=2)
{
Line(coordinates[0],coordinates[1],
coordinates[2],coordinates[3]);
for(int count=1;count<(n-1);count++)
Line(coordinates[(count*2)],coordinates[((count*2)+1)],
coordinates[((count+1)*2)],
coordinates[(((count+1)*2)+1)]);
}
}
/************************************************** ***********************/
//------------------------------- Line( ) -----------------------------//
/************************************************** ***********************/
void Line(const int x_1,const int y_1,const int x_2,const int y_2)
{
int color=getcolor( );
int x1=x_1;
int y1=y_1;
int x2=x_2;
int y2=y_2;
if(x_1>x_2)
{
x1=x_2;
y1=y_2;
x2=x_1;
y2=y_1;
}
int dx=abs(x2-x1);
int dy=abs(y2-y1);
int inc_dec=((y2>=y1)?1:-1);
if(dx>dy)
{
int two_dy=(2*dy);
int two_dy_dx=(2*(dy-dx));
int p=((2*dy)-dx);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(x<x2)
{
x++;
if(p<0)
p+=two_dy;
else
{
y+=inc_dec;
p+=two_dy_dx;
}
putpixel(x,y,color);
}
}
else
{
int two_dx=(2*dx);
int two_dx_dy=(2*(dx-dy));
int p=((2*dx)-dy);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(y!=y2)
{
y+=inc_dec;
if(p<0)
p+=two_dx;
else
{
x++;
p+=two_dx_dy;
}
putpixel(x,y,color);
}
}
}
/************************************************** ***********************/
//-------------------------- show_screen( ) ---------------------------//
/************************************************** ***********************/
void show_screen( )
{
setfillstyle(1,1);
bar(184,26,460,38);
settextstyle(0,0,1);
setcolor(15);
outtextxy(5,5,"************************************************** ****************************");
outtextxy(5,17,"*-************************************************** ************************-*");
outtextxy(5,29,"*-------------------- -------------------*");
outtextxy(5,41,"*-************************************************** ************************-*");
outtextxy(5,53,"*-************************************************** ************************-*");
setcolor(11);
outtextxy(194,29,"X-Direction Shear Transformation");
setcolor(15);
for(int count=0;count<=30;count++)
outtextxy(5,(65+(count*12)),"*-* *-*");
outtextxy(5,438,"*-************************************************** ************************-*");
outtextxy(5,450,"*------------------------- -------------------------*");
outtextxy(5,462,"************************************************** ****************************");
setcolor(12);
outtextxy(229,450,"Press any Key to exit.");
}
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------------- THE END -------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
******************
/************************************************** ***********************/
/************************************************** ***********************
A C++ program to illustrate the implementation of Y-Direction Shear
Transformation.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************
Personal Data:
Name: Ghassan Ahmad Elias Ayesh.
Email address:( تم حذف البريد الإلكتروني آليا لأن عرضه مخالف لشروط المنتدى )
Martial status: single.
Education:
Al-Quds Open University.
B.A degree in Computer Information Systems.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//--------------------------- Header Files ----------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
# include <iostream.h>
# include <graphics.h>
# include <conio.h>
# include <math.h>
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------- Function Prototypes -------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
void show_screen( );
void apply_x_direction_shear(const int,int [],const float);
void multiply_matrices(const float[3],const float[3][3],float[3]);
void Polygon(const int,const int []);
void Line(const int,const int,const int,const int);
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------------ main( ) ------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
int main( )
{
int driver=VGA;
int mode=VGAHI;
initgraph(&driver,&mode,"..\\Bgi");
show_screen( );
int polygon_points[10]={ 220,190, 420,190, 420,290, 220,290, 220,190 };
setcolor(15);
Polygon(5,polygon_points);
setcolor(15);
settextstyle(0,0,1);
outtextxy(50,415,"*** Use Up and Down Arrow Keys to apply Y-Direction Shear.");
int key_code_1=0;
int key_code_2=0;
char Key_1=NULL;
char Key_2=NULL;
do
{
Key_1=NULL;
Key_2=NULL;
key_code_1=0;
key_code_2=0;
Key_1=getch( );
key_code_1=int(Key_1);
if(key_code_1==0)
{
Key_2=getch( );
key_code_2=int(Key_2);
}
if(key_code_1==27)
break;
else if(key_code_1==0)
{
if(key_code_2==72)
{
setfillstyle(1,0);
bar(40,70,600,410);
apply_x_direction_shear(5,polygon_points,-0.1);
setcolor(12);
Polygon(5,polygon_points);
}
else if(key_code_2==80)
{
setfillstyle(1,0);
bar(40,70,600,410);
apply_x_direction_shear(5,polygon_points,0.1);
setcolor(10);
Polygon(5,polygon_points);
}
}
}
while(1);
return 0;
}
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------ Funcion Definitions ------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//--------------------- apply_x_direction_shear( ) --------------------//
/************************************************** ***********************/
void apply_x_direction_shear(const int n,int coordinates[],const float Sh_y)
{
for(int count=0;count<n;count++)
{
float matrix_a[3]={coordinates[(count*2)],
coordinates[((count*2)+1)],1};
float matrix_b[3][3]={ {1,Sh_y,0} , {0,1,0} ,{ 0,0,1} };
float matrix_c[3]={0};
multiply_matrices(matrix_a,matrix_b,matrix_c);
coordinates[(count*2)]=(matrix_c[0]+0.5);
coordinates[((count*2)+1)]=(matrix_c[1]+0.5);
}
}
/************************************************** **********************/
//---------------------- multiply_matrices( ) ------------------------//
/************************************************** **********************/
void multiply_matrices(const float matrix_1[3],
const float matrix_2[3][3],float matrix_3[3])
{
for(int count_1=0;count_1<3;count_1++)
{
for(int count_2=0;count_2<3;count_2++)
matrix_3[count_1]+=
(matrix_1[count_2]*matrix_2[count_2][count_1]);
}
}
/************************************************** ***********************/
//----------------------------- Polygon( ) ----------------------------//
/************************************************** ***********************/
void Polygon(const int n,const int coordinates[])
{
if(n>=2)
{
Line(coordinates[0],coordinates[1],
coordinates[2],coordinates[3]);
for(int count=1;count<(n-1);count++)
Line(coordinates[(count*2)],coordinates[((count*2)+1)],
coordinates[((count+1)*2)],
coordinates[(((count+1)*2)+1)]);
}
}
/************************************************** ***********************/
//------------------------------- Line( ) -----------------------------//
/************************************************** ***********************/
void Line(const int x_1,const int y_1,const int x_2,const int y_2)
{
int color=getcolor( );
int x1=x_1;
int y1=y_1;
int x2=x_2;
int y2=y_2;
if(x_1>x_2)
{
x1=x_2;
y1=y_2;
x2=x_1;
y2=y_1;
}
int dx=abs(x2-x1);
int dy=abs(y2-y1);
int inc_dec=((y2>=y1)?1:-1);
if(dx>dy)
{
int two_dy=(2*dy);
int two_dy_dx=(2*(dy-dx));
int p=((2*dy)-dx);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(x<x2)
{
x++;
if(p<0)
p+=two_dy;
else
{
y+=inc_dec;
p+=two_dy_dx;
}
putpixel(x,y,color);
}
}
else
{
int two_dx=(2*dx);
int two_dx_dy=(2*(dx-dy));
int p=((2*dx)-dy);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(y!=y2)
{
y+=inc_dec;
if(p<0)
p+=two_dx;
else
{
x++;
p+=two_dx_dy;
}
putpixel(x,y,color);
}
}
}
/************************************************** ***********************/
//-------------------------- show_screen( ) ---------------------------//
/************************************************** ***********************/
void show_screen( )
{
setfillstyle(1,1);
bar(184,26,460,38);
settextstyle(0,0,1);
setcolor(15);
outtextxy(5,5,"************************************************** ****************************");
outtextxy(5,17,"*-************************************************** ************************-*");
outtextxy(5,29,"*-------------------- -------------------*");
outtextxy(5,41,"*-************************************************** ************************-*");
outtextxy(5,53,"*-************************************************** ************************-*");
setcolor(11);
outtextxy(194,29,"Y-Direction Shear Transformation");
setcolor(15);
for(int count=0;count<=30;count++)
outtextxy(5,(65+(count*12)),"*-* *-*");
outtextxy(5,438,"*-************************************************** ************************-*");
outtextxy(5,450,"*------------------------- -------------------------*");
outtextxy(5,462,"************************************************** ****************************");
setcolor(12);
outtextxy(229,450,"Press any Key to exit.");
}
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------------- THE END -------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************
A C++ program to draw a circle using MidPoint Circle Algorithm.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************
Personal Data:
Name: Ghassan Ahmad Elias Ayesh.
Address: Bethlehem.
Email address:( تم حذف البريد الإلكتروني آليا لأن عرضه مخالف لشروط المنتدى )
Martial status: single.
Education:
Al-Quds Open University.
B.A degree in Computer Information Systems.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//--------------------------- Header Files ----------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
# include <iostream.h>
# include <graphics.h>
# include <conio.h>
# include <math.h>
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------- Function Prototypes -------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
void show_screen( );
void midpoint_circle(const int,const int,const int);
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------------ main( ) ------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
int main( )
{
int driver=VGA;
int mode=VGAHI;
int h=0;
int k=0;
int r=0;
do
{
show_screen( );
gotoxy(8,10);
cout<<"Central Point of the Circle : (h,k) :";
gotoxy(8,11);
cout<<"ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ";
gotoxy(12,13);
cout<<"Enter the value of h = ";
cin>>h;
gotoxy(12,14);
cout<<"Enter the value of k = ";
cin>>k;
gotoxy(8,18);
cout<<"Radius of the Circle : r :";
gotoxy(8,19);
cout<<"ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ";
gotoxy(12,21);
cout<<"Enter the value of r = ";
cin>>r;
initgraph(&driver,&mode,"..\\Bgi");
setcolor(15);
midpoint_circle(h,k,r);
setcolor(15);
outtextxy(110,460,"Press <Enter> to continue or any other key to exit.");
int key=int(getch( ));
if(key!=13)
break;
}
while(1);
return 0;
}
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------ Funcion Definitions ------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------- midpoint_circle( ) --------------------------//
/************************************************** ***********************/
void midpoint_circle(const int h,const int k,const int r)
{
int color=getcolor( );
int x=0;
int y=r;
int p=(1-r);
do
{
putpixel((h+x),(k+y),color);
putpixel((h+y),(k+x),color);
putpixel((h+y),(k-x),color);
putpixel((h+x),(k-y),color);
putpixel((h-x),(k-y),color);
putpixel((h-y),(k-x),color);
putpixel((h-y),(k+x),color);
putpixel((h-x),(k+y),color);
x++;
if(p<0)
p+=((2*x)+1);
else
{
y--;
p+=((2*(x-y))+1);
}
}
while(x<=y);
}
/************************************************** ***********************/
//-------------------------- show_screen( ) ---------------------------//
/************************************************** ***********************/
void show_screen( )
{
restorecrtmode( );
textmode(C4350);
cprintf("\n************************************************ ********************************");
cprintf("*-***********************- -**********************-*");
cprintf("*------------------------- ");
textbackground(1);
cprintf(" MidPoint Circle Algorithm ");
textbackground(8);
cprintf(" ------------------------*");
cprintf("*-***********************- -**********************-*");
cprintf("*-************************************************** **************************-*");
for(int count=0;count<42;count++)
cprintf("*-* *-*");
gotoxy(1,46);
cprintf("*-************************************************** **************************-*");
cprintf("*------------------------------------------------------------------------------*");
cprintf("************************************************** ******************************");
gotoxy(1,2);
}
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------------- THE END -------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
************************************************** ************************************************** *
أدعولي بالتوفيق؟؟؟؟؟؟؟؟؟؟ بدي أشوف ردودكم وخصوصااااااااااااا نسرين:6a5:
/************************************************** ***********************/
/************************************************** ***********************
A C++ program to illustrate the implementation of Reflection Transformation
about the line y=x and y=-x.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************
Personal Data:
Name: Ghassan Ahmad Elias Ayesh.
Address: Bethlehem.
Email address:( تم حذف البريد الإلكتروني آليا لأن عرضه مخالف لشروط المنتدى )
Martial status: single.
Education:
Al-Quds Open University.
B.A degree in Computer Information Systems.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//--------------------------- Header Files ----------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
# include <iostream.h>
# include <graphics.h>
# include <conio.h>
# include <math.h>
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------- Function Prototypes -------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
void show_screen( );
void apply_reflection_about_line_yex(const int,int []);
void apply_reflection_about_line_yemx(const int,int []);
void apply_reflection_along_x_axis(const int,int []);
void apply_reflection_along_y_axis(const int,int []);
void apply_rotation(const int,int [],float);
void multiply_matrices(const float[3],const float[3][3],float[3]);
void Polygon(const int,const int []);
void Line(const int,const int,const int,const int);
void Dashed_line(const int,const int,const int,const int,const int=0);
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------------ main( ) ------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
int main( )
{
int driver=VGA;
int mode=VGAHI;
initgraph(&driver,&mode,"..\\Bgi");
show_screen( );
setcolor(15);
Line(320,100,320,400);
Line(315,105,320,100);
Line(320,100,325,105);
Line(315,395,320,400);
Line(320,400,325,395);
Line(150,240,500,240);
Line(150,240,155,235);
Line(150,240,155,245);
Line(500,240,495,235);
Line(500,240,495,245);
Dashed_line(160,400,460,100,0);
Dashed_line(180,100,480,400,0);
settextstyle(2,0,4);
outtextxy(305,85,"y-axis");
outtextxy(305,402,"y'-axis");
outtextxy(505,233,"x-axis");
outtextxy(105,233,"x'-axis");
outtextxy(350,100,"Reflection about the line y=x");
outtextxy(115,100,"Reflection about the line y=-x");
int x_polygon[8]={ 340,200, 420,120, 370,120, 340,200 };
int y_polygon[8]={ 300,200, 220,120, 270,120, 300,200 };
setcolor(15);
Polygon(4,x_polygon);
Polygon(4,y_polygon);
apply_reflection_about_line_yex(4,x_polygon);
apply_reflection_about_line_yemx(4,y_polygon);
setcolor(7);
Polygon(4,x_polygon);
Polygon(4,y_polygon);
getch( );
return 0;
}
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------ Funcion Definitions ------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//---------------- apply_reflection_about_line_yex( ) -----------------//
/************************************************** ***********************/
void apply_reflection_about_line_yex(const int n,int coordinates[])
{
apply_rotation(n,coordinates,45);
apply_reflection_along_x_axis(n,coordinates);
apply_rotation(n,coordinates,-45);
}
/************************************************** ***********************/
//--------------- apply_reflection_about_line_yemx( ) -----------------//
/************************************************** ***********************/
void apply_reflection_about_line_yemx(const int n,int coordinates[])
{
apply_rotation(n,coordinates,45);
apply_reflection_along_y_axis(n,coordinates);
apply_rotation(n,coordinates,-45);
}
/************************************************** ***********************/
//------------------------- apply_rotation( ) -------------------------//
/************************************************** ***********************/
void apply_rotation(const int n,int coordinates[],float angle)
{
float xr=320;
float yr=240;
angle*=(M_PI/180);
for(int count_1=0;count_1<n;count_1++)
{
float matrix_a[3]={coordinates[(count_1*2)],
coordinates[((count_1*2)+1)],1};
float temp_1=(((1-cos(angle))*xr)+(yr*sin(angle)));
float temp_2=(((1-cos(angle))*yr)-(xr*sin(angle)));
float matrix_b[3][3]={ { cos(angle),sin(angle),0 } ,
{ -sin(angle),cos(angle),0 } ,
{ temp_1,temp_2,1 } };
float matrix_c[3]={0};
multiply_matrices(matrix_a,matrix_b,matrix_c);
coordinates[(count_1*2)]=(int)(matrix_c[0]+0.5);
coordinates[((count_1*2)+1)]=(int)(matrix_c[1]+0.5);
}
}
/************************************************** ***********************/
//------------------ apply_reflection_along_x_axis( ) -----------------//
/************************************************** ***********************/
void apply_reflection_along_x_axis(const int n,int coordinates[])
{
for(int count=0;count<n;count++)
{
float matrix_a[3]={coordinates[(count*2)],
coordinates[((count*2)+1)],1};
float matrix_b[3][3]={ {1,0,0} , {0,-1,0} ,{ 0,0,1} };
float matrix_c[3]={0};
multiply_matrices(matrix_a,matrix_b,matrix_c);
coordinates[(count*2)]=matrix_c[0];
coordinates[((count*2)+1)]=(480+matrix_c[1]);
}
}
/************************************************** ***********************/
//------------------ apply_reflection_along_y_axis( ) -----------------//
/************************************************** ***********************/
void apply_reflection_along_y_axis(const int n,int coordinates[])
{
for(int count=0;count<n;count++)
{
float matrix_a[3]={coordinates[(count*2)],
coordinates[((count*2)+1)],1};
float matrix_b[3][3]={ {-1,0,0} , {0,1,0} ,{ 0,0,1} };
float matrix_c[3]={0};
multiply_matrices(matrix_a,matrix_b,matrix_c);
coordinates[(count*2)]=(640+matrix_c[0]);
coordinates[((count*2)+1)]=matrix_c[1];
}
}
/************************************************** **********************/
//---------------------- multiply_matrices( ) ------------------------//
/************************************************** **********************/
void multiply_matrices(const float matrix_1[3],
const float matrix_2[3][3],float matrix_3[3])
{
for(int count_1=0;count_1<3;count_1++)
{
for(int count_2=0;count_2<3;count_2++)
matrix_3[count_1]+=
(matrix_1[count_2]*matrix_2[count_2][count_1]);
}
}
/************************************************** ***********************/
//----------------------------- Polygon( ) ----------------------------//
/************************************************** ***********************/
void Polygon(const int n,const int coordinates[])
{
if(n>=2)
{
Line(coordinates[0],coordinates[1],
coordinates[2],coordinates[3]);
for(int count=1;count<(n-1);count++)
Line(coordinates[(count*2)],coordinates[((count*2)+1)],
coordinates[((count+1)*2)],
coordinates[(((count+1)*2)+1)]);
}
}
/************************************************** ***********************/
//------------------------------- Line( ) -----------------------------//
/************************************************** ***********************/
void Line(const int x_1,const int y_1,const int x_2,const int y_2)
{
int color=getcolor( );
int x1=x_1;
int y1=y_1;
int x2=x_2;
int y2=y_2;
if(x_1>x_2)
{
x1=x_2;
y1=y_2;
x2=x_1;
y2=y_1;
}
int dx=abs(x2-x1);
int dy=abs(y2-y1);
int inc_dec=((y2>=y1)?1:-1);
if(dx>dy)
{
int two_dy=(2*dy);
int two_dy_dx=(2*(dy-dx));
int p=((2*dy)-dx);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(x<x2)
{
x++;
if(p<0)
p+=two_dy;
else
{
y+=inc_dec;
p+=two_dy_dx;
}
putpixel(x,y,color);
}
}
else
{
int two_dx=(2*dx);
int two_dx_dy=(2*(dx-dy));
int p=((2*dx)-dy);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(y!=y2)
{
y+=inc_dec;
if(p<0)
p+=two_dx;
else
{
x++;
p+=two_dx_dy;
}
putpixel(x,y,color);
}
}
}
/************************************************** ***********************/
//--------------------------- Dashed_line( ) --------------------------//
/************************************************** ***********************/
void Dashed_line(const int x_1,const int y_1,const int x_2,
const int y_2,const int line_type)
{
int count=0;
int color=getcolor( );
int x1=x_1;
int y1=y_1;
int x2=x_2;
int y2=y_2;
if(x_1>x_2)
{
x1=x_2;
y1=y_2;
x2=x_1;
y2=y_1;
}
int dx=abs(x2-x1);
int dy=abs(y2-y1);
int inc_dec=((y2>=y1)?1:-1);
if(dx>dy)
{
int two_dy=(2*dy);
int two_dy_dx=(2*(dy-dx));
int p=((2*dy)-dx);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(x<x2)
{
x++;
if(p<0)
p+=two_dy;
else
{
y+=inc_dec;
p+=two_dy_dx;
}
if((count%2)!=0 && line_type==0)
putpixel(x,y,color);
else if((count%5)!=4 && line_type==1)
putpixel(x,y,color);
else if((count%10)!=8 && (count%10)!=9 && line_type==2)
putpixel(x,y,color);
else if((count%20)!=18 && (count%20)!=19 && line_type==3)
putpixel(x,y,color);
else if((count%12)!=7 && (count%12)!=8 &&
(count%12)!=10 && (count%12)!=11 && line_type==4)
putpixel(x,y,color);
count++;
}
}
else
{
int two_dx=(2*dx);
int two_dx_dy=(2*(dx-dy));
int p=((2*dx)-dy);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(y!=y2)
{
y+=inc_dec;
if(p<0)
p+=two_dx;
else
{
x++;
p+=two_dx_dy;
}
if((count%2)!=0 && line_type==0)
putpixel(x,y,color);
else if((count%5)!=4 && line_type==1)
putpixel(x,y,color);
else if((count%10)!=8 && (count%10)!=9 && line_type==2)
putpixel(x,y,color);
else if((count%20)!=18 && (count%20)!=19 && line_type==3)
putpixel(x,y,color);
else if((count%12)!=7 && (count%12)!=8 &&
(count%12)!=10 && (count%12)!=11 && line_type==4)
putpixel(x,y,color);
count++;
}
}
}
/************************************************** ***********************/
//-------------------------- show_screen( ) ---------------------------//
/************************************************** ***********************/
void show_screen( )
{
setfillstyle(1,1);
bar(208,26,430,38);
settextstyle(0,0,1);
setcolor(15);
outtextxy(5,5,"************************************************** ****************************");
outtextxy(5,17,"*-************************************************** ************************-*");
outtextxy(5,29,"*----------------------- -----------------------*");
outtextxy(5,41,"*-************************************************** ************************-*");
outtextxy(5,53,"*-************************************************** ************************-*");
setcolor(11);
outtextxy(218,29,"Reflection Transformation");
setcolor(15);
for(int count=0;count<=30;count++)
outtextxy(5,(65+(count*12)),"*-* *-*");
outtextxy(5,438,"*-************************************************** ************************-*");
outtextxy(5,450,"*------------------------- -------------------------*");
outtextxy(5,462,"************************************************** ****************************");
setcolor(12);
outtextxy(229,450,"Press any Key to exit.");
}
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------------- THE END -------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
************************************************** ************************************************** *****************
/************************************************** ***********************/
/************************************************** ***********************
A C++ program to illustrate the implementation of X-Direction Shear
Transformation.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************
Personal Data:
Name: Ghassan Ahmad Elias Ayesh.
Address: Bethlehem.
Email address:( تم حذف البريد الإلكتروني آليا لأن عرضه مخالف لشروط المنتدى )
Martial status: single.
Education:
Al-Quds Open University.
B.A degree in Computer Information Systems.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//--------------------------- Header Files ----------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
# include <iostream.h>
# include <graphics.h>
# include <conio.h>
# include <math.h>
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------- Function Prototypes -------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
void show_screen( );
void apply_x_direction_shear(const int,int [],const float);
void multiply_matrices(const float[3],const float[3][3],float[3]);
void Polygon(const int,const int []);
void Line(const int,const int,const int,const int);
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------------ main( ) ------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
int main( )
{
int driver=VGA;
int mode=VGAHI;
initgraph(&driver,&mode,"..\\Bgi");
show_screen( );
int polygon_points[10]={ 270,340, 270,140, 370,140, 370,340, 270,340 };
setcolor(15);
Polygon(5,polygon_points);
setcolor(15);
settextstyle(0,0,1);
outtextxy(50,415,"*** Use Left and Right Arrow Keys to apply X-Direction Shear.");
int key_code_1=0;
int key_code_2=0;
char Key_1=NULL;
char Key_2=NULL;
do
{
Key_1=NULL;
Key_2=NULL;
key_code_1=0;
key_code_2=0;
Key_1=getch( );
key_code_1=int(Key_1);
if(key_code_1==0)
{
Key_2=getch( );
key_code_2=int(Key_2);
}
if(key_code_1==27)
break;
else if(key_code_1==0)
{
if(key_code_2==75)
{
setfillstyle(1,0);
bar(40,70,600,410);
apply_x_direction_shear(5,polygon_points,-0.1);
setcolor(12);
Polygon(5,polygon_points);
}
else if(key_code_2==77)
{
setfillstyle(1,0);
bar(40,70,600,410);
apply_x_direction_shear(5,polygon_points,0.1);
setcolor(10);
Polygon(5,polygon_points);
}
}
}
while(1);
return 0;
}
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------ Funcion Definitions ------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//--------------------- apply_x_direction_shear( ) --------------------//
/************************************************** ***********************/
void apply_x_direction_shear(const int n,int coordinates[],const float Sh_x)
{
for(int count=0;count<n;count++)
{
float matrix_a[3]={coordinates[(count*2)],
coordinates[((count*2)+1)],1};
float matrix_b[3][3]={ {1,0,0} , {Sh_x,1,0} ,{ 0,0,1} };
float matrix_c[3]={0};
multiply_matrices(matrix_a,matrix_b,matrix_c);
coordinates[(count*2)]=(matrix_c[0]+0.5);
coordinates[((count*2)+1)]=(matrix_c[1]+0.5);
}
}
/************************************************** **********************/
//---------------------- multiply_matrices( ) ------------------------//
/************************************************** **********************/
void multiply_matrices(const float matrix_1[3],
const float matrix_2[3][3],float matrix_3[3])
{
for(int count_1=0;count_1<3;count_1++)
{
for(int count_2=0;count_2<3;count_2++)
matrix_3[count_1]+=
(matrix_1[count_2]*matrix_2[count_2][count_1]);
}
}
/************************************************** ***********************/
//----------------------------- Polygon( ) ----------------------------//
/************************************************** ***********************/
void Polygon(const int n,const int coordinates[])
{
if(n>=2)
{
Line(coordinates[0],coordinates[1],
coordinates[2],coordinates[3]);
for(int count=1;count<(n-1);count++)
Line(coordinates[(count*2)],coordinates[((count*2)+1)],
coordinates[((count+1)*2)],
coordinates[(((count+1)*2)+1)]);
}
}
/************************************************** ***********************/
//------------------------------- Line( ) -----------------------------//
/************************************************** ***********************/
void Line(const int x_1,const int y_1,const int x_2,const int y_2)
{
int color=getcolor( );
int x1=x_1;
int y1=y_1;
int x2=x_2;
int y2=y_2;
if(x_1>x_2)
{
x1=x_2;
y1=y_2;
x2=x_1;
y2=y_1;
}
int dx=abs(x2-x1);
int dy=abs(y2-y1);
int inc_dec=((y2>=y1)?1:-1);
if(dx>dy)
{
int two_dy=(2*dy);
int two_dy_dx=(2*(dy-dx));
int p=((2*dy)-dx);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(x<x2)
{
x++;
if(p<0)
p+=two_dy;
else
{
y+=inc_dec;
p+=two_dy_dx;
}
putpixel(x,y,color);
}
}
else
{
int two_dx=(2*dx);
int two_dx_dy=(2*(dx-dy));
int p=((2*dx)-dy);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(y!=y2)
{
y+=inc_dec;
if(p<0)
p+=two_dx;
else
{
x++;
p+=two_dx_dy;
}
putpixel(x,y,color);
}
}
}
/************************************************** ***********************/
//-------------------------- show_screen( ) ---------------------------//
/************************************************** ***********************/
void show_screen( )
{
setfillstyle(1,1);
bar(184,26,460,38);
settextstyle(0,0,1);
setcolor(15);
outtextxy(5,5,"************************************************** ****************************");
outtextxy(5,17,"*-************************************************** ************************-*");
outtextxy(5,29,"*-------------------- -------------------*");
outtextxy(5,41,"*-************************************************** ************************-*");
outtextxy(5,53,"*-************************************************** ************************-*");
setcolor(11);
outtextxy(194,29,"X-Direction Shear Transformation");
setcolor(15);
for(int count=0;count<=30;count++)
outtextxy(5,(65+(count*12)),"*-* *-*");
outtextxy(5,438,"*-************************************************** ************************-*");
outtextxy(5,450,"*------------------------- -------------------------*");
outtextxy(5,462,"************************************************** ****************************");
setcolor(12);
outtextxy(229,450,"Press any Key to exit.");
}
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------------- THE END -------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
******************
/************************************************** ***********************/
/************************************************** ***********************
A C++ program to illustrate the implementation of Y-Direction Shear
Transformation.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************
Personal Data:
Name: Ghassan Ahmad Elias Ayesh.
Email address:( تم حذف البريد الإلكتروني آليا لأن عرضه مخالف لشروط المنتدى )
Martial status: single.
Education:
Al-Quds Open University.
B.A degree in Computer Information Systems.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//--------------------------- Header Files ----------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
# include <iostream.h>
# include <graphics.h>
# include <conio.h>
# include <math.h>
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------- Function Prototypes -------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
void show_screen( );
void apply_x_direction_shear(const int,int [],const float);
void multiply_matrices(const float[3],const float[3][3],float[3]);
void Polygon(const int,const int []);
void Line(const int,const int,const int,const int);
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------------ main( ) ------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
int main( )
{
int driver=VGA;
int mode=VGAHI;
initgraph(&driver,&mode,"..\\Bgi");
show_screen( );
int polygon_points[10]={ 220,190, 420,190, 420,290, 220,290, 220,190 };
setcolor(15);
Polygon(5,polygon_points);
setcolor(15);
settextstyle(0,0,1);
outtextxy(50,415,"*** Use Up and Down Arrow Keys to apply Y-Direction Shear.");
int key_code_1=0;
int key_code_2=0;
char Key_1=NULL;
char Key_2=NULL;
do
{
Key_1=NULL;
Key_2=NULL;
key_code_1=0;
key_code_2=0;
Key_1=getch( );
key_code_1=int(Key_1);
if(key_code_1==0)
{
Key_2=getch( );
key_code_2=int(Key_2);
}
if(key_code_1==27)
break;
else if(key_code_1==0)
{
if(key_code_2==72)
{
setfillstyle(1,0);
bar(40,70,600,410);
apply_x_direction_shear(5,polygon_points,-0.1);
setcolor(12);
Polygon(5,polygon_points);
}
else if(key_code_2==80)
{
setfillstyle(1,0);
bar(40,70,600,410);
apply_x_direction_shear(5,polygon_points,0.1);
setcolor(10);
Polygon(5,polygon_points);
}
}
}
while(1);
return 0;
}
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------ Funcion Definitions ------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//--------------------- apply_x_direction_shear( ) --------------------//
/************************************************** ***********************/
void apply_x_direction_shear(const int n,int coordinates[],const float Sh_y)
{
for(int count=0;count<n;count++)
{
float matrix_a[3]={coordinates[(count*2)],
coordinates[((count*2)+1)],1};
float matrix_b[3][3]={ {1,Sh_y,0} , {0,1,0} ,{ 0,0,1} };
float matrix_c[3]={0};
multiply_matrices(matrix_a,matrix_b,matrix_c);
coordinates[(count*2)]=(matrix_c[0]+0.5);
coordinates[((count*2)+1)]=(matrix_c[1]+0.5);
}
}
/************************************************** **********************/
//---------------------- multiply_matrices( ) ------------------------//
/************************************************** **********************/
void multiply_matrices(const float matrix_1[3],
const float matrix_2[3][3],float matrix_3[3])
{
for(int count_1=0;count_1<3;count_1++)
{
for(int count_2=0;count_2<3;count_2++)
matrix_3[count_1]+=
(matrix_1[count_2]*matrix_2[count_2][count_1]);
}
}
/************************************************** ***********************/
//----------------------------- Polygon( ) ----------------------------//
/************************************************** ***********************/
void Polygon(const int n,const int coordinates[])
{
if(n>=2)
{
Line(coordinates[0],coordinates[1],
coordinates[2],coordinates[3]);
for(int count=1;count<(n-1);count++)
Line(coordinates[(count*2)],coordinates[((count*2)+1)],
coordinates[((count+1)*2)],
coordinates[(((count+1)*2)+1)]);
}
}
/************************************************** ***********************/
//------------------------------- Line( ) -----------------------------//
/************************************************** ***********************/
void Line(const int x_1,const int y_1,const int x_2,const int y_2)
{
int color=getcolor( );
int x1=x_1;
int y1=y_1;
int x2=x_2;
int y2=y_2;
if(x_1>x_2)
{
x1=x_2;
y1=y_2;
x2=x_1;
y2=y_1;
}
int dx=abs(x2-x1);
int dy=abs(y2-y1);
int inc_dec=((y2>=y1)?1:-1);
if(dx>dy)
{
int two_dy=(2*dy);
int two_dy_dx=(2*(dy-dx));
int p=((2*dy)-dx);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(x<x2)
{
x++;
if(p<0)
p+=two_dy;
else
{
y+=inc_dec;
p+=two_dy_dx;
}
putpixel(x,y,color);
}
}
else
{
int two_dx=(2*dx);
int two_dx_dy=(2*(dx-dy));
int p=((2*dx)-dy);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(y!=y2)
{
y+=inc_dec;
if(p<0)
p+=two_dx;
else
{
x++;
p+=two_dx_dy;
}
putpixel(x,y,color);
}
}
}
/************************************************** ***********************/
//-------------------------- show_screen( ) ---------------------------//
/************************************************** ***********************/
void show_screen( )
{
setfillstyle(1,1);
bar(184,26,460,38);
settextstyle(0,0,1);
setcolor(15);
outtextxy(5,5,"************************************************** ****************************");
outtextxy(5,17,"*-************************************************** ************************-*");
outtextxy(5,29,"*-------------------- -------------------*");
outtextxy(5,41,"*-************************************************** ************************-*");
outtextxy(5,53,"*-************************************************** ************************-*");
setcolor(11);
outtextxy(194,29,"Y-Direction Shear Transformation");
setcolor(15);
for(int count=0;count<=30;count++)
outtextxy(5,(65+(count*12)),"*-* *-*");
outtextxy(5,438,"*-************************************************** ************************-*");
outtextxy(5,450,"*------------------------- -------------------------*");
outtextxy(5,462,"************************************************** ****************************");
setcolor(12);
outtextxy(229,450,"Press any Key to exit.");
}
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------------- THE END -------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************
A C++ program to draw a circle using MidPoint Circle Algorithm.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************
Personal Data:
Name: Ghassan Ahmad Elias Ayesh.
Address: Bethlehem.
Email address:( تم حذف البريد الإلكتروني آليا لأن عرضه مخالف لشروط المنتدى )
Martial status: single.
Education:
Al-Quds Open University.
B.A degree in Computer Information Systems.
************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//--------------------------- Header Files ----------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
# include <iostream.h>
# include <graphics.h>
# include <conio.h>
# include <math.h>
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------- Function Prototypes -------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
void show_screen( );
void midpoint_circle(const int,const int,const int);
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------------ main( ) ------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
int main( )
{
int driver=VGA;
int mode=VGAHI;
int h=0;
int k=0;
int r=0;
do
{
show_screen( );
gotoxy(8,10);
cout<<"Central Point of the Circle : (h,k) :";
gotoxy(8,11);
cout<<"ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ";
gotoxy(12,13);
cout<<"Enter the value of h = ";
cin>>h;
gotoxy(12,14);
cout<<"Enter the value of k = ";
cin>>k;
gotoxy(8,18);
cout<<"Radius of the Circle : r :";
gotoxy(8,19);
cout<<"ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ";
gotoxy(12,21);
cout<<"Enter the value of r = ";
cin>>r;
initgraph(&driver,&mode,"..\\Bgi");
setcolor(15);
midpoint_circle(h,k,r);
setcolor(15);
outtextxy(110,460,"Press <Enter> to continue or any other key to exit.");
int key=int(getch( ));
if(key!=13)
break;
}
while(1);
return 0;
}
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------ Funcion Definitions ------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------- midpoint_circle( ) --------------------------//
/************************************************** ***********************/
void midpoint_circle(const int h,const int k,const int r)
{
int color=getcolor( );
int x=0;
int y=r;
int p=(1-r);
do
{
putpixel((h+x),(k+y),color);
putpixel((h+y),(k+x),color);
putpixel((h+y),(k-x),color);
putpixel((h+x),(k-y),color);
putpixel((h-x),(k-y),color);
putpixel((h-y),(k-x),color);
putpixel((h-y),(k+x),color);
putpixel((h-x),(k+y),color);
x++;
if(p<0)
p+=((2*x)+1);
else
{
y--;
p+=((2*(x-y))+1);
}
}
while(x<=y);
}
/************************************************** ***********************/
//-------------------------- show_screen( ) ---------------------------//
/************************************************** ***********************/
void show_screen( )
{
restorecrtmode( );
textmode(C4350);
cprintf("\n************************************************ ********************************");
cprintf("*-***********************- -**********************-*");
cprintf("*------------------------- ");
textbackground(1);
cprintf(" MidPoint Circle Algorithm ");
textbackground(8);
cprintf(" ------------------------*");
cprintf("*-***********************- -**********************-*");
cprintf("*-************************************************** **************************-*");
for(int count=0;count<42;count++)
cprintf("*-* *-*");
gotoxy(1,46);
cprintf("*-************************************************** **************************-*");
cprintf("*------------------------------------------------------------------------------*");
cprintf("************************************************** ******************************");
gotoxy(1,2);
}
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------------- THE END -------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
************************************************** ************************************************** *
أدعولي بالتوفيق؟؟؟؟؟؟؟؟؟؟ بدي أشوف ردودكم وخصوصااااااااااااا نسرين:6a5: