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#include

#dcfine Nba 20

static float plane[Nba][3]={ 97,270,1,

175,258,1,

435,226,1,

298,170,1,

234,177,1,

305,243,1,

545,217,1,

562,231,1,

607,235,1,

630,255,1,

596,278,1,

475,315,1,

313,328,1,

225,444,1,

297,442,1,

440,318,1,

117,338,1,

65,163,1,

116,158,1,

176,258,1,

};

static float picture[Nba][3]={ 24,34,1,

44,33,1,

109,29,1,

75,21,1,

69,23,1,

77,32,1,

137,27,1,

141,29,1,

152,30,1,

158,32,1,

149,35,1,

119,40,1,

79,41,1,

57,56,1,

74,55,1,

110,40,1,

30,43,1,

17,21,1,

29,20,1,

44,33,1,

};

void mut2d(float a[][3],float b[3][3],float c[][3],int row);

void doing2d(float cc1[][3],float cc2[][3],float mat[][3],int n); void drawplane();

void trans2d(float m,float n,float matrix[][3]);

void minit2d(float mat[][3]);

void scaling2(float x0,float y0,float sx,float sy,float matrix[][3]); void minit2d(float mat[][3]);

void saw(float pict[][3],int m1,int m2,int lk);

void equalmat(float a[][3],float b[][3],float row);

void rotat2d(float x0,float y0,float alfa,float matrix[][3]);

void main()

{

float cc1[Nba][3],cc2[Nba][3],cc3[Nba][3];

int gd=DETECT,gmode;

initgraph(&gd,&gmode,"c:\\tc");

setbkcolor(0);

settextstyle(3,0,2);

outtextxy(190,4,"2D GRAPHICS TRANSFORMATION");

saw(pane,0,Nba,3);

getch();

cleardevice();

setcolor(4);

outtextxy(190,430,"2D GRAPHICS TRANSFORMA TION");

setwritemode(1);

drawplane();

settextstyle(3,0,4);

setcolor(15);

outtextxy(165,3,"Junbo Jet Propulsion");

getch();

closegraph();

}

void drawplane()

{

float cc1[Nba][3],cc2[Nba][3],cc3[Nba][3],cc4[Nba][3];

float mat[3][3];

saw(picture,0,Nba,3);

delay(30000);延时

trans2d(20,0,mat);

equalmat(cc2,picture,Nba);

doing2d(cc1,cc2,mat,15);

equalmat(cc4,cc1,Nba);

trans2d(-20,0,mat);

doing2d(cc1,cc2,mat,22);

rotat2d(0,0,0.2,mat);

doing2d(cc1,cc2,mat,3);

equalmat(cc1,cc3,Nba);

scaling2(20,100,0.9,0.75,mat);

doing2d(cc1,cc2,mat,4);

scaling2(100,-20,1.1,1.3,mat);

doing2d(cc3,cc2,mat,3);

rotat2d(400,0,-0.15,mat);

doing2d(cc4,cc4,mat,4);

equalmat(cc2,cc1,Nba);

scaling2(800,200,0.9,0.75,mat);

doing2d(cc4,cc1,mat,4);

scaling2(20,100,1.1,1.3,mat);

doing2d(cc1,cc2,mat,1);

}

void doing2d(float cc1[][3],float cc2[][3],float mat[][3],int n) {

int i;

mut2d(cc2,mat,cc1,Nba);

for(i=0;i

{

saw(cc1,0,Nba,1);

delay(30000);

saw(cc1,0,Nba,18);

mut2d(cc1,cc2,Nba);

equalmat(cc1,cc2,Nba);

}

saw(cc1,0,Nba,1);

delay(30000);

}

void equalmat(float a[][3],float b[][3],float row)

{

int i,j;

for(i=0;i

{

for(j=0;j<3;j++)

{

a[i][j]=b[i][j];

}