怎么用C语言进行液晶取模而不使用软件产生数组

googlemi 2013-06-27 01:45:52

比如像下图

16*16的格子，按列扫描，从第一列到第16列，如果要让某一段显示，那么将那一个输入1，否则输入默认的0
显示规则如下面

我现在想知道怎么知道哪一格需要被点亮呢？？貌似输入一个字或者字符很难判断出来

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赵4老师 2013-06-27

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参考这个：

#pragma comment(lib,"gdi32")
#include <windows.h>
#include <stdio.h>

int main() {
    const DWORD uWidth = 18 + 17 * 256, uHeight = 18 + 17 * 128;

    PBITMAPINFO pbmi = (PBITMAPINFO) LocalAlloc (LPTR, sizeof (BITMAPINFOHEADER) + sizeof (RGBQUAD) * 2);
    pbmi->bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
    pbmi->bmiHeader.biWidth = uWidth;
    pbmi->bmiHeader.biHeight = uHeight;
    pbmi->bmiHeader.biPlanes = 1;
    pbmi->bmiHeader.biBitCount = 1;
    pbmi->bmiHeader.biSizeImage = ((uWidth + 31) & ~31) / 8 * uHeight;
    pbmi->bmiColors[0].rgbBlue = 0;
    pbmi->bmiColors[0].rgbGreen = 0;
    pbmi->bmiColors[0].rgbRed = 0;
    pbmi->bmiColors[1].rgbBlue = 255;
    pbmi->bmiColors[1].rgbGreen = 255;
    pbmi->bmiColors[1].rgbRed = 255;

    HDC hDC = CreateCompatibleDC (0);
    void * pvBits;
    HBITMAP hBitmap = CreateDIBSection (hDC, pbmi, 0, &pvBits, NULL, 0);
    SelectObject (hDC, hBitmap);
    HFONT hFont = CreateFont (16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "宋体");
//  HFONT hFont = CreateFont (16, 0, 0, 0, 0, 0, 0, 0, SHIFTJIS_CHARSET, 0, 0, 0, 0, "宋体");
    SelectObject (hDC, hFont);
    BitBlt (hDC, 0, 0, uWidth, uHeight, NULL, 0, 0, WHITENESS);

    char c[4];
    int i, j;
    for (i = 128; i < 256; i++) {
        sprintf (c, "%02X", i);
        TextOut (hDC, 1, (i - 127) * 17 + 1, c, 2);
    }
    for (j = 0; j < 256; j++) {
        sprintf (c, "%02X", j);
        TextOut (hDC, (j + 1)* 17 + 1, 1, c, 2);
    }
    for (i = 128; i < 256; i++) {
        for (j = 0; j < 256; j++) {
            c[0] = (char) i;
            c[1] = (char) j;
            TextOut (hDC, (j + 1) * 17 + 1, (i - 127) * 17 + 1, c, 2);
        }
    }
    for (i = 0; i < 130; i++) {
        MoveToEx (hDC, 0, i * 17, NULL);
        LineTo (hDC, uWidth, i * 17);
    }
    for (j = 0; j < 258; j++) {
        MoveToEx (hDC, j * 17, 0, NULL);
        LineTo (hDC, j * 17, uHeight);
    }

    BITMAPFILEHEADER bmfh;
    bmfh.bfType = *(PWORD) "BM";
    bmfh.bfReserved1 = 0;
    bmfh.bfReserved2 = 0;
    bmfh.bfOffBits = sizeof (BITMAPFILEHEADER) + sizeof (BITMAPINFOHEADER) + sizeof (RGBQUAD) * 2;
    bmfh.bfSize = bmfh.bfOffBits + pbmi->bmiHeader.biSizeImage;

    HANDLE hFile = CreateFile ("goal.bmp", GENERIC_WRITE, 0, 0, CREATE_ALWAYS, 0, 0);
    if (hFile != INVALID_HANDLE_VALUE) {
        DWORD dwWritten;
        WriteFile (hFile, &bmfh, sizeof (BITMAPFILEHEADER), &dwWritten, NULL);
        WriteFile (hFile, pbmi, sizeof (BITMAPINFOHEADER) + sizeof (RGBQUAD) * 2, &dwWritten, NULL);
        WriteFile (hFile, pvBits, pbmi->bmiHeader.biSizeImage, &dwWritten, NULL);

        CloseHandle (hFile);
    }

    DeleteObject (hFont);
    DeleteObject (hBitmap);
    DeleteDC (hDC);
    LocalFree (pbmi);

    return 0;
}

赵4老师 2013-06-27