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c語言函數(shù)圖像 c語言函數(shù)圖像繪制器代碼

用c語言畫一個(gè)2次函數(shù)圖像

#include?windows.h

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LRESULT?CALLBACK?WndProc(HWND,?UINT,?WPARAM,?LPARAM);

int?WINAPI?WinMain(HINSTANCE?hInstance,?HINSTANCE?hPrevInstance,

PSTR?szCmdLine,?int?iCmdShow)

{

static?TCHAR?szAppName[]=TEXT("二次函數(shù)");

HWND?????????hwnd;

MSG??????????msg;

WNDCLASS?????wndclass;

wndclass.style=CS_HREDRAW|CS_VREDRAW;

wndclass.lpfnWndProc=WndProc;

wndclass.cbClsExtra=0;

wndclass.cbWndExtra=0;

wndclass.hInstance=hInstance;

wndclass.hIcon=LoadIcon(NULL,?IDI_APPLICATION);

wndclass.hCursor=LoadCursor(NULL,?IDC_ARROW);

wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);

wndclass.lpszMenuName=NULL;

wndclass.lpszClassName=szAppName;

if?(!RegisterClass(wndclass))

{

MessageBox(NULL,?TEXT("Error"),

szAppName,?MB_ICONERROR);

return?0;

}

hwnd=CreateWindow(szAppName,?TEXT("二次函數(shù)"),

WS_OVERLAPPEDWINDOW,

CW_USEDEFAULT,?CW_USEDEFAULT,

CW_USEDEFAULT,?CW_USEDEFAULT,

NULL,?NULL,?hInstance,?NULL);

ShowWindow(hwnd,?iCmdShow);

UpdateWindow(hwnd);

while?(GetMessage(msg,?NULL,?0,?0))

{

TranslateMessage(msg);

DispatchMessage(msg);

}

return?msg.wParam;

}

LRESULT?CALLBACK?WndProc(HWND?hwnd,?UINT?message,?WPARAM?wParam,?LPARAM?lParam)

{

static?int??cxClient,?cyClient;

const?static?int?n=1000;

HDC?????????hdc;

int?????????i;

PAINTSTRUCT?ps;

POINT???????apt[n];

switch?(message)

{

case?WM_SIZE:

cxClient=LOWORD(lParam);

cyClient=HIWORD(lParam);

return?0;

case?WM_PAINT:

hdc=BeginPaint(hwnd,?ps);

MoveToEx(hdc,?0,?cyClient/2,?NULL);

LineTo(hdc,?cxClient,?cyClient/2);

MoveToEx(hdc,?cxClient/2,?0,?NULL);

LineTo(hdc,?cxClient/2,?cyClient);

for?(i=0;?i??n;++i)

{

apt[i].x=cxClient/4+i; apt[i].y=cyClient-(cyClient/2-i)*(cyClient/2-i)/300-cyClient/2+100;

}

Polyline(hdc,?apt,?n);

return?0;

case?WM_DESTROY:

PostQuitMessage(0);

return?0;

}

return?DefWindowProc(hwnd,?message,?wParam,?lParam);

}

如何用c語言畫函數(shù)圖像

用GDI繪圖吧,比較簡(jiǎn)單。繪圖的思想是讓x以固定的值在區(qū)間內(nèi)持續(xù)增長(zhǎng),比如x=0.1,0.2,0.3.....,以計(jì)算出的y值來確定y坐標(biāo)。用線連接所有的點(diǎn)就行了。MoveTo(),LineTo()函數(shù)你用得著,具體情況請(qǐng)自行查看MSDN。

怎樣用C語言畫一個(gè)函數(shù)的圖像啊

和數(shù)學(xué)上一樣啊 來個(gè)坐標(biāo)x,y 分別表示列和行 。在函數(shù)上就打印一個(gè)* 給個(gè)范圍,雙層循環(huán)加條件就可以了

怎么用c語言畫函數(shù)圖像?

我畫了半個(gè)正弦函數(shù),其余的你可以照著畫,歡迎討論,

#include "stdio.h"

#include "conio.h"

#include "math.h"

#include "graphics.h"

void main()

{

int driver,mode,i;

driver=DETECT;

mode=0;

initgraph(driver,mode,"");

setcolor(15);

for(i=0;i360;i++)

line(i,200*sin(i*3.14/360),i+1,200*sin((i+1)*3.14/360));

getch();

restorecrtmode();

}

如何用c語言繪函數(shù)圖象

你要什么圖像 sin 還cos 要不我都給你把!

1、#includestdio.h

#includemath.h

void main()

{

double y;

int i,n;

for(y=1;y=0;y-=0.1)

{n=asin(y)*10;

for(i=1;i=n;i++)

printf(" ");

printf("*");

for(;i=31-n;i++)

printf(" ");

printf("*\n");}

for(y=0;y=1;y+=0.1)

{n=asin(y)*10;

for(i=-1;i=31+n;i++)

printf(" ");

printf("*");

for(;i=62-n;i++)

printf(" ");

printf("*\n");}

}

2、#includestdio.h

#includemath.h

void main()

{

double y;

int x,m;

for(y=1;y=-1;y-=0.1)

{m=acos(y)*10;

for(x=1;xm;x++)

printf(" ");

printf("*");

for(;x62-m;x++)

printf(" ");

printf("*\n");}

}

之后在給你個(gè)連個(gè)圖像相交的把

3、#includestdio.h

#includemath.h

void main()

{

double y;

int n,m,i,j,x,yy;

for(yy=0;yy=20;yy++)

{ y=0.1*yy;

m=acos(1-y)*10;

n=asin(1-y)*10;

i=32+asin(y-1)*10;

j=61-asin(y-1)*10;

for(x=0;x62;x++)

{if((x==n)(x==m)) printf("+");

else if((x==n)||(x==i)||(x==j)) printf("+");

else if((x==m)||(x==62-m)) printf("*");

else printf(" ");}

printf("\n");

}

}

怎么用C語言繪制函數(shù)圖像,要用visual c++6.0可以運(yùn)行出來

需要Window圖像編程,Window編程就是基于C語言的,在Visual C++6.0可以編寫Win32程序

文章標(biāo)題:c語言函數(shù)圖像 c語言函數(shù)圖像繪制器代碼
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