DirectX 基础学习系列6 字体

时间：2021-09-13 17:21:49

DIRECTX9自带ID3DXFONT类

内部调用GDI的接口，效率一般，但能够处理一些复杂的字体

HRESULT D3DXCreateFontIndirect( LPDIRECT3DDEVICE9 pDevice, CONST D3DXFONT_DESC * pDesc, LPD3DXFONT * ppFont);

typedef struct D3DXFONT_DESC {

    INT Height;

    UINT Width;

    UINT Weight;

    UINT MipLevels;

    BOOL Italic;

    BYTE CharSet;

    BYTE OutputPrecision;

    BYTE Quality;

    BYTE PitchAndFamily;

    TCHAR FaceName[LF_FACESIZE];

} D3DXFONT_DESC, *LPD3DXFONT_DESC;
2绘制
INT ID3DXFont::DrawText(LPD3DXSPRITE pSprite,  LPCTSTR pString,  INT Count,  
LPRECT pRect,  DWORD Format,

D3DCOLOR Color);

实例：

D3DXFONT_DESC lf;

    ZeroMemory(&lf, sizeof(D3DXFONT_DESC));

    lf.Height         = 25;    // in logical units

    lf.Width          = 12;    // in logical units

    lf.Weight         = 500;   // boldness, range 0(light) - 1000(bold)

    lf.Italic         = false;

    lf.CharSet        = DEFAULT_CHARSET;

    lf.Quality        = 0;

    lf.PitchAndFamily = 0;

    strcpy(lf.FaceName, "Times New Roman"); // font style

    //

    // Create an ID3DXFont based on 'lf'.

    //

    if(FAILED(D3DXCreateFontIndirect(Device, &lf, &Font)))

    {

        ::MessageBox(0, "D3DXCreateFontIndirect() - FAILED", 0, 0);

        ::PostQuitMessage(0);

    }

        Device->BeginScene();

        RECT rect = {0, 0, Width, Height};

        Font->DrawText(

            0,

            FPSString,

            -1, // size of string or -1 indicates null terminating string

            &rect,            // rectangle text is to be formatted to in windows coords

            DT_TOP | DT_LEFT, // draw in the top left corner of the viewport

            0xff000000);      // black text

        Device->EndScene();

2采用DIRECT3D绘制方式：

可以采用D3D绘图的方式实现更多的效果

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