在看雪论坛上看到的一个帖子，很喜欢，转载一下。原文地址：http://bbs.pediy.com/showthread.php?t=138630
哆啦A梦是画出来的，不知道作者算这些坐标位置算了多久，真的很犀利。记得原来看《Windows程序设计》的时候，每次看到GDI都不是很理解，也没有仔细去研究。现在编程也很少与GDI打交道，还是等以后有空了在深入了解一下吧。把这个代码转载一份到博客，以后再回头研究一下。顺便贴一下程序运行后的截图：（很酷吧~~~）
字数补丁~代码疯子~程序人生~字数补丁~代码疯子~程序人生~字数补丁~代码疯子~程序人生
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// 请以C语言后缀(*.c)保存文件
#include <windows.h>
#include <math.h>
#define NUM 1000
#define TWOPI (2 * 3.1415926)
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName[] = TEXT ("HelloWin") ;
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
int cx, cy ;
cx = GetSystemMetrics(SM_CXSCREEN) / 2 - 200;
cy = GetSystemMetrics(SM_CYSCREEN) / 2 - 200;
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 (/*GRAY*/WHITE_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
RegisterClass (&wndclass);
hwnd = CreateWindow (szAppName, // window class name
TEXT ("The Hello Program"), // window caption
WS_OVERLAPPEDWINDOW, // window style
cx, // initial x position
cy, // initial y position
400, // initial x size
400, // initial y size
NULL, // parent window handle
NULL, // window menu handle
hInstance, // program instance handle
NULL) ; // creation parameters
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)
{
HDC hdc ;
PAINTSTRUCT ps ;
static int cxClient, cyClient ;
HBRUSH hBrush ;
int i ;
POINT apt[NUM],
leftHand[] = {
cxClient / 2 - 60, cyClient / 2 - 20,
cxClient / 2 - 100, cyClient / 2 + 10,
cxClient / 2 - 100, cyClient / 2 + 30,
cxClient / 2 - 60, cyClient / 2 + 10
},
rightHand[] = {
cxClient / 2 + 60, cyClient / 2 - 20,
cxClient / 2 + 100, cyClient / 2 + 10,
cxClient / 2 + 100, cyClient / 2 + 30,
cxClient / 2 + 60, cyClient / 2 + 10
} ;
switch (message)
{
case WM_SIZE:
cxClient = LOWORD (lParam) ;
cyClient = HIWORD (lParam) + 120;
return 0 ;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
Ellipse (hdc, cxClient / 2 - 70, cyClient / 2 + 55, cxClient / 2, cyClient / 2 + 85) ; //脚
Ellipse (hdc, cxClient / 2, cyClient / 2 + 55, cxClient / 2 + 70, cyClient / 2 + 85) ;
hBrush = CreateSolidBrush (RGB (100, 150, 255)) ;
SelectObject (hdc, hBrush) ;
// Rectangle (hdc, cxClient / 2 - 60, cyClient / 2 - 60, cxClient / 2 +60, cyClient / 2 + 70); //身体
RoundRect (hdc, cxClient / 2 - 60, cyClient / 2 - 60, cxClient / 2 + 60, cyClient / 2 + 70, 50, 20);
DeleteObject (hBrush) ;
hBrush = GetStockObject (WHITE_BRUSH) ;
SelectObject (hdc, hBrush) ;
Ellipse (hdc, cxClient / 2 - 50, cyClient / 2 - 50, cxClient / 2 + 50, cyClient / 2 + 50) ; //肚子部分
hBrush = CreateSolidBrush (RGB (100, 150, 255)) ;
SelectObject (hdc, hBrush) ;
Ellipse (hdc, cxClient / 2 - 100, cyClient / 2 - 220, cxClient / 2 +100, cyClient / 2 - 20) ; //头部
DeleteObject (hBrush) ;
hBrush = GetStockObject (WHITE_BRUSH) ;
SelectObject (hdc, hBrush) ;
Ellipse (hdc, cxClient / 2 - 85, cyClient / 2 - 170, cxClient / 2 + 85, cyClient / 2 - 20) ; //脸部
Ellipse (hdc, cxClient / 2 - 40, cyClient / 2 - 190, cxClient / 2, cyClient / 2 - 140 ) ; //眼眶左
Ellipse (hdc, cxClient / 2, cyClient / 2 - 190, cxClient / 2 + 40, cyClient /2 - 140) ; //眼眶右
hBrush = GetStockObject (BLACK_BRUSH) ;
SelectObject (hdc, hBrush) ;
Ellipse (hdc, cxClient / 2 - 15, cyClient / 2 - 155, cxClient / 2 -10, cyClient / 2 - 150) ; //眼睛左
Ellipse (hdc, cxClient / 2 + 10, cyClient / 2 - 155, cxClient / 2 + 15, cyClient / 2 -150) ; //眼睛右
DeleteObject (hBrush) ;
hBrush = CreateSolidBrush (RGB (255, 0, 0)) ;
SelectObject (hdc, hBrush) ;
Ellipse (hdc, cxClient / 2 - 10, cyClient / 2 - 150, cxClient / 2 +10, cyClient / 2 -130) ; //鼻子
MoveToEx (hdc, cxClient / 2, cyClient / 2 -130, NULL) ;
LineTo (hdc, cxClient / 2, cyClient / 2 - 60) ;
MoveToEx (hdc, cxClient / 2 - 40, cyClient / 2 - 75, NULL); //嘴
for (i = 0; i < NUM / 2; i++)
{
apt[i].x = cxClient / 2 - 40 + i * 160 / NUM ;
apt[i].y = cyClient / 2 - 75 +(int) (30 * sin (TWOPI * i / NUM)) / 2 ;
LineTo(hdc, apt[i].x, apt[i].y) ;
}
MoveToEx (hdc, cxClient / 2 - 60, cyClient / 2 - 140, NULL) ; //胡须
LineTo (hdc, cxClient / 2 - 20, cyClient / 2 - 120) ;
MoveToEx (hdc, cxClient / 2 - 60, cyClient / 2 - 110, NULL) ;
LineTo (hdc, cxClient / 2 - 20, cyClient / 2 - 110) ;
MoveToEx (hdc, cxClient / 2 - 60, cyClient / 2 - 80, NULL);
LineTo (hdc, cxClient / 2 - 20, cyClient / 2 - 100) ;
MoveToEx (hdc, cxClient / 2 + 60, cyClient / 2 -140, NULL) ;
LineTo (hdc, cxClient / 2 + 20, cyClient / 2 - 120) ;
MoveToEx (hdc, cxClient / 2 + 60, cyClient / 2 - 110, NULL) ;
LineTo (hdc, cxClient / 2 +20, cyClient / 2 - 110) ;
MoveToEx (hdc, cxClient / 2 +60, cyClient / 2 - 80, NULL) ;
LineTo (hdc, cxClient / 2 + 20, cyClient / 2 - 100) ;
hBrush = GetStockObject (WHITE_BRUSH) ; //口袋
SelectObject (hdc, hBrush) ;
Chord (hdc, cxClient / 2 - 40, cyClient / 2 - 40, cxClient / 2 + 40, cyClient / 2 +40,
cxClient / 2 - 40, cyClient / 2 + 10, cxClient / 2 +40, cyClient / 2 + 10) ;
hBrush = CreateSolidBrush (RGB (255, 0, 0)); //脖子上的套圈
SelectObject (hdc, hBrush) ;
RoundRect (hdc, cxClient / 2 - 70, cyClient / 2 - 40, cxClient / 2 + 70, cyClient / 2 - 20, 20, 20);
DeleteObject (hBrush) ;
hBrush = CreateSolidBrush (RGB (100, 150, 255)) ; //手臂
SelectObject (hdc, hBrush) ;
SetPolyFillMode (hdc, WINDING) ;
Polygon (hdc, leftHand, 4) ;
SetPolyFillMode (hdc, WINDING) ;
Polygon (hdc, rightHand, 4) ;
DeleteObject (hBrush) ;
hBrush = GetStockObject (WHITE_BRUSH) ; //手
SelectObject (hdc, hBrush) ;
Ellipse (hdc, cxClient / 2 - 115, cyClient / 2 + 5, cxClient / 2 - 85, cyClient / 2 + 35) ;
Ellipse (hdc, cxClient / 2 + 115, cyClient / 2 + 5, cxClient / 2 + 85, cyClient / 2 + 35) ;
hBrush = CreateSolidBrush (RGB (250, 255, 150)) ; //铃铛
SelectObject (hdc, hBrush) ;
Ellipse (hdc, cxClient / 2 - 10, cyClient / 2 - 35, cxClient / 2 + 10, cyClient / 2 - 15) ;
DeleteObject (hBrush) ;
hBrush = GetStockObject (BLACK_BRUSH) ;
SelectObject (hdc, hBrush) ;
Ellipse (hdc, cxClient / 2 - 4, cyClient / 2 - 29, cxClient / 2 + 4, cyClient / 2 - 21) ;
MoveToEx (hdc, cxClient / 2, cyClient / 2 - 25, NULL) ;
LineTo (hdc, cxClient / 2, cyClient / 2 - 15) ;
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_DESTROY:
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
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