dllmain.cpp

#include "pch.h"
#include <windows.h>

const char* ClipBoardData() {
    if (OpenClipboard(NULL)) {
        HANDLE hClipboardData = GetClipboardData(CF_TEXT); 
        if (hClipboardData) {
            const char* newClipboardData = static_cast<const char*>(GlobalLock(hClipboardData)); 
            if (newClipboardData) { 
                returnClipBoardData = newClipboardData; 
                size_t clipboardLength = strlen(returnClipBoardData);
                HGLOBAL hNewClipboardData = GlobalAlloc(GMEM_MOVEABLE, clipboardLength + 1); 
                if (hNewClipboardData) { 
                    char* newClipboardDataCopy = static_cast<char*>(GlobalLock(hNewClipboardData)); 
                    if (newClipboardDataCopy) { 
                        memcpy(newClipboardDataCopy, returnClipBoardData, clipboardLength + 1);
                        GlobalUnlock(hNewClipboardData); 
                        SetClipboardData(CF_TEXT, hNewClipboardData); 
                    }
                }
                GlobalFree(hNewClipboardData);
            }
            GlobalUnlock(hClipboardData);
        }
        CloseClipboard();
    }
    return returnClipBoardData;
}

//BYTE* GetScreenCapture(int &width, int &height) {
//    int screenWidth = GetSystemMetrics(SM_CXSCREEN);
//    int screenHeight = GetSystemMetrics(SM_CYSCREEN);
//    HDC hdcScreen = GetDC(NULL);
//    HDC hdcMem = CreateCompatibleDC(hdcScreen);
//    HBITMAP hBitmap = CreateCompatibleBitmap(hdcScreen, screenWidth, screenHeight);
//
//    SelectObject(hdcMem, hBitmap);
//    BitBlt(hdcMem, 0, 0, screenWidth, screenHeight, hdcScreen, 0, 0, SRCCOPY);
//
//    BYTE* lpbitmap = nullptr;
//
//    if (GetAsyncKeyState(VK_SNAPSHOT) & 0x8000) {
//        BITMAPINFOHEADER bi;
//        bi.biSize = sizeof(BITMAPINFOHEADER);
//        bi.biWidth = screenWidth;
//        bi.biHeight = -screenHeight;
//        bi.biPlanes = 1;
//        bi.biBitCount = 24;
//        bi.biCompression = BI_RGB;
//        bi.biSizeImage = 0;
//        bi.biXPelsPerMeter = 0;
//        bi.biYPelsPerMeter = 0;
//        bi.biClrUsed = 0;
//        bi.biClrImportant = 0;
//
//        DWORD dwBmpSize = ((screenWidth * bi.biBitCount + 31) / 32) * 4 * screenHeight;
//        lpbitmap = new BYTE[dwBmpSize];
//        GetDIBits(hdcScreen, hBitmap, 0, screenHeight, lpbitmap, (BITMAPINFO*)&bi, DIB_RGB_COLORS);
//        width = screenWidth;
//        height = screenHeight;
//    }else {
//        OpenClipboard(NULL);
//        EmptyClipboard();
//        SetClipboardData(CF_BITMAP, hBitmap);
//        CloseClipboard();
//
//        HBITMAP hClipboardBitmap = static_cast<HBITMAP>(GetClipboardData(CF_BITMAP));
//
//        if (hClipboardBitmap) {
//            BITMAP bitmapInfo;
//            GetObject(hClipboardBitmap, sizeof(BITMAP), &bitmapInfo);
//            lpbitmap = new BYTE[bitmapInfo.bmWidthBytes * bitmapInfo.bmHeight];
//            GetBitmapBits(hClipboardBitmap, bitmapInfo.bmWidthBytes * bitmapInfo.bmHeight, lpbitmap);
//            width = bitmapInfo.bmWidth;
//            height = bitmapInfo.bmHeight;
//        }
//    }
//    DeleteObject(hBitmap);
//    DeleteDC(hdcMem);
//    ReleaseDC(NULL, hdcScreen);
//
//    return lpbitmap;
//}