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mathievp

@mathievp
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  • HICON -> *.ico
    M mathievp

    BMP approach HICON -> BMP // IconTest.cpp : Defines the entry point for the console application. // #include "stdafx.h" void WriteBMPFile(HBITMAP bitmap, LPTSTR filename, HDC hDC) { BITMAP bmp; PBITMAPINFO pbmi; WORD cClrBits; HANDLE hf; // file handle BITMAPFILEHEADER hdr; // bitmap file-header PBITMAPINFOHEADER pbih; // bitmap info-header LPBYTE lpBits; // memory pointer DWORD dwTotal; // total count of bytes DWORD cb; // incremental count of bytes BYTE *hp; // byte pointer DWORD dwTmp; // create the bitmapinfo header information if (!GetObject( bitmap, sizeof(BITMAP), (LPSTR)&bmp)){ printf("Could not retrieve bitmap info"); return; } // Convert the color format to a count of bits. cClrBits = (WORD)(bmp.bmPlanes * bmp.bmBitsPixel); if (cClrBits == 1) cClrBits = 1; else if (cClrBits <= 4) cClrBits = 4; else if (cClrBits <= 8) cClrBits = 8; else if (cClrBits <= 16) cClrBits = 16; else if (cClrBits <= 24) cClrBits = 24; else cClrBits = 32; // Allocate memory for the BITMAPINFO structure. if (cClrBits != 24) pbmi = (PBITMAPINFO) LocalAlloc(LPTR, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * (1<< cClrBits)); else pbmi = (PBITMAPINFO) LocalAlloc(LPTR, sizeof(BITMAPINFOHEADER)); // Initialize the fields in the BITMAPINFO structure. pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); pbmi->bmiHeader.biWidth = bmp.bmWidth; pbmi->bmiHeader.biHeight = bmp.bmHeight; pbmi->bmiHeader.biPlanes = bmp.bmPlanes; pbmi->bmiHeader.biBitCount = bmp.bmBitsPixel; if (cClrBits < 24) pbmi->bmiHeader.biClrUsed = (1<<cClrBits); // If the bitmap is not compressed, set the BI_RGB flag. pbmi->bmiHeader.biCompression = BI_RGB; // Compute the number of bytes in the array of color // indices and store the result in biSizeImage. pbmi->bmiHeader.biSizeImage = (pbmi->bmiHeader.biWidth + 7) /8 * pbmi->bmiHeader.biHeight * cClrBits; // Set biClrImportant to 0, indicating that all of the // device colors are important. pbmi->bmiHeader.biClrImportant = 0; // now open file and save the data pbih = (PBITMAPINFOHEADER) pbmi; lpBits = (LPBYTE) GlobalAlloc(GMEM_FIXED, pbih->biSizeImage); if (!lpBits) { printf("writeBMP::Could not allocate memory"); return; } // Retrieve the color table (RGBQUAD array) and the bits if (!GetDIBits(hDC, HBITMAP(bitmap), 0, (WORD) pbih->biHeight, lpBits, pbmi, DIB_RGB_COLORS)) { print

    C / C++ / MFC question

  • How can I get a HBITMAP handle from a CImageList Object?
    M mathievp

    You can try this HBRUSH hbr; hbr = ::CreateSolidBrush(RGB(255,255,255)); //this will draw white BackGround before drawing ICON onto it. DrawIconEx(hDC,0,0,hIcon,0,0,0,hbr,DI_DEFAULTSIZE); Matt

    C / C++ / MFC question
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