를 사용하여 전체 화면을 커버하지만, 컬러 키 값으로 페인트 계층화 된 창 그러한이자 (undarkened해야 할 영역)의 사각형 영역은 색으로 완전히 충전된다 키. 이 영역은 완전히 투명 해지며 데스크탑의 나머지 부분처럼 어두워지지 않습니다. 레이어 된 창의 나머지 부분은 대부분 투명하고 어두운 색으로 채워진 일정한 알파 값을 갖도록 설정해야합니다.
#include "stdafx.h"
#include "ScreenCapper.h"
#define MAX_LOADSTRING 100
// Global Variables:
HINSTANCE hInst; // current instance
TCHAR szTitle[MAX_LOADSTRING]; // The title bar text
TCHAR szWindowClass[MAX_LOADSTRING]; // the main window class name
// Forward declarations of functions included in this code module:
ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
const COLORREF transparentColor = RGB(255,0,0); // Pure red is the color key, or totally transparent color
const BYTE overallTranparencyAmount = 90; // Out of 255
int DesktopWidth,DesktopHeight;
int APIENTRY _tWinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPTSTR lpCmdLine,int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
DesktopWidth = GetSystemMetrics(SM_CXSCREEN);
DesktopHeight = GetSystemMetrics(SM_CYSCREEN);
MSG msg;
HACCEL hAccelTable;
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_SCREENCAPPER, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_SCREENCAPPER));
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return (int) msg.wParam;
}
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
memset(&wcex,0,sizeof(WNDCLASSEX));
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_SCREENCAPPER));
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
//wcex.lpszMenuName = MAKEINTRESOURCE(IDC_SCREENCAPPER);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
return RegisterClassEx(&wcex);
}
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
hInst = hInstance;
HWND hWnd = CreateWindowEx(WS_EX_LAYERED, szWindowClass, szTitle,WS_POPUP, 0, 0, DesktopWidth, DesktopHeight, NULL, NULL, hInstance, NULL);
if (!hWnd)
return FALSE;
SetLayeredWindowAttributes(hWnd,transparentColor,32,LWA_COLORKEY | LWA_ALPHA);
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
if (message == WM_COMMAND)
{
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
}
else if (message == WM_PAINT)
{
hdc = BeginPaint(hWnd, &ps);
HBRUSH hDarkBackgroundBrush = CreateSolidBrush(RGB(0,0,0));
HBRUSH hRegionOfInterestBrush = CreateSolidBrush(transparentColor);
RECT screenRect;
screenRect.left = screenRect.top = 0;
screenRect.right = DesktopWidth;
screenRect.bottom = DesktopHeight;
RECT interestRect;
interestRect.left = interestRect.top = 300;
interestRect.right = interestRect.bottom = 600;
FillRect(hdc,&screenRect,hDarkBackgroundBrush);
FillRect(hdc,&interestRect,hRegionOfInterestBrush);
DeleteObject(hDarkBackgroundBrush);
DeleteObject(hRegionOfInterestBrush);
EndPaint(hWnd, &ps);
}
else if (message == WM_DESTROY)
{
PostQuitMessage(0);
}
else
return DefWindowProc(hWnd, message, wParam, lParam);
return 0;
}
Nevf에서 해당 작업을 수행, 지금 뭐하는 거지 너가하는 일을 가까이하면, 이걸로 나를 도울 수 있니? http://stackoverflow.com/questions/32431612/how-to-show-semitransparent-window-above-all-windows/32432473#32432473 – yozhik
나는이 방법을 우리의 반투명 한 최상위 화면이 편집 가능하고 클릭 가능 했습니까? prntscr.com/8dkvvw – yozhik