一个桌面取色器--基于C SDK

新加了功能:

按下空格建会把当前鼠标位置的颜色值写入到剪贴版中，格式是#XXXXXX

完全是为网页美工定做的一个小工具。个人觉得还是比较好用。而且还是个绿色软件。

但是觉得代码写的不好，总觉得还是有问题，收到VK_SPACE消息以后的操作好像有冗余。暂时就着样了。以后看看还有没有什么功能想添加的又加进去。

 

还是基于SDK的：

代码公布如下：

 

 

#include #define ID_TIMER 1LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,PSTR szCmdLine,int iCmdShow){ static TCHAR szAppName[]=TEXT("GetColor "); HWND hwnd; MSG msg; WNDCLASS wndclass; wndclass.style=CS_HREDRAW|CS_VREDRAW; wndclass.cbClsExtra=0; wndclass.cbWndExtra=0; wndclass.hInstance=hInstance; wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION); wndclass.hCursor=LoadIcon(NULL,IDC_ARROW); wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH); wndclass.lpfnWndProc=WndProc; wndclass.lpszMenuName=NULL; wndclass.lpszClassName=szAppName; if(!RegisterClass(&wndclass)) {  MessageBox(NULL,TEXT("The Program require windows NT"),szAppName,MB_ICONERROR);  return 0; } MessageBox(NULL,TEXT("程序由BearOcean编写，用于捕捉鼠标位置的RGB值和色彩"),TEXT("Infomation"),MB_OK); hwnd=CreateWindow(szAppName,TEXT("GetColor--Writen By BearSea"),                WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_BORDER,       CW_USEDEFAULT,CW_USEDEFAULT,       300,100,       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 HDC hdcScreen; PAINTSTRUCT ps; POINT pt; RECT rc; static COLORREF cr=RGB(0,0,0),LastCr=RGB(1,0,0);//用于存放颜色信息    HDC hdc; TCHAR szBuffer1[17]; TCHAR szBuffer2[17]; TCHAR szBuffer[10]; RECT ColorRect={150,0,300,100}; HBRUSH hBrush; int iLength1; int iLength2; HGLOBAL hGlobal;    PTSTR pGlobal ; switch(message) {     case WM_CREATE:   GetClientRect(hwnd,&rc);   hdcScreen=CreateDC(TEXT("DISPLAY"),NULL,NULL,NULL);//获取屏幕句柄   SetTimer(hwnd,ID_TIMER,100,NULL);   InvalidateRect(hwnd,NULL,TRUE);   return 0;  case WM_TIMER:      GetCursorPos(&pt);//Get Cursor pos            cr=GetPixel(hdcScreen,pt.x,pt.y);      if(cr!=LastCr)   {        InvalidateRect(hwnd,NULL,TRUE);     LastCr=cr;   }     return 0;  case WM_PAINT:      hdc=BeginPaint(hwnd,&ps);   GetClientRect(hwnd,&rc);   hBrush=CreateSolidBrush(cr);   FillRect(hdc,&ColorRect,hBrush);   iLength1=wsprintf(szBuffer1,TEXT("16:#%02x%02x%02x"),GetRValue(cr),GetGValue(cr),GetBValue(cr));   iLength2=wsprintf(szBuffer2,TEXT("rgb: %4d%4d%4d"),GetRValue(cr),GetGValue(cr),GetBValue(cr));   TextOut(hdc,5,10,szBuffer1,iLength1);   TextOut(hdc,5,30,szBuffer2,iLength2);        EndPaint(hwnd,&ps);   DeleteObject(hBrush);   return 0;        case WM_KEYDOWN:   switch(wParam)   {   case VK_SPACE:   GetCursorPos(&pt);//Get Cursor pos            cr=GetPixel(hdcScreen,pt.x,pt.y);   wsprintf(szBuffer,TEXT("#%02x%02x%02x"),GetRValue(cr),GetGValue(cr),GetBValue(cr));   //------------------------------------   hGlobal = GlobalAlloc (GHND | GMEM_SHARE, (lstrlen (szBuffer) + 1) * sizeof (TCHAR)) ;   pGlobal = GlobalLock (hGlobal) ;   lstrcpy (pGlobal, szBuffer) ;   GlobalUnlock (hGlobal) ;   OpenClipboard (hwnd) ;            EmptyClipboard () ;            SetClipboardData (CF_TEXT, hGlobal) ;            CloseClipboard () ;   MessageBox (NULL, TEXT ("颜色信息已经写入剪贴板 :)"), TEXT ("Action"), 0);   //------------------------------------   //MessageBox (NULL, TEXT ("颜色信息已存入剪贴板"), TEXT ("HelloMsg"), 0);   break;   case VK_F1:   MessageBox(NULL, TEXT ("使用方法:/n鼠标指向要选取的颜色/n按下空格键，颜色值将被写入剪贴板./n-------------------------------------------------/n写这个是为了方便自己写网页的时候/n获取颜色值。/n-------------------------------------------------/n                     By BearOcean"), TEXT ("Help"), 0);   break;   }   return 0;                  case WM_DESTROY:   DeleteDC(hdcScreen);   KillTimer(hwnd,ID_TIMER);   PostQuitMessage(0);   return 0;            } return DefWindowProc(hwnd,message,wParam,lParam);}

 

 

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

1.按下空格获取颜色，存入剪贴板。

2.按F1有帮助和提示。

－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－

下载:GetColor 1.0

下载:GetColor Beta