C / C++ / MFC

<br />
ID3DXLine *pLine;<br />
<br />
void fillrgba(int x, int y, int w, int h, int r, int g, int b, int a)<br />
{<br />
    D3DXVECTOR2 vLine[2];<br />
<br />
    pLine->SetWidth( w );<br />
    pLine->SetAntialias( false );<br />
    pLine->SetGLLines( true );<br />
    <br />
    vLine[0].x = x + w/2;<br />
    vLine[0].y = y;<br />
    vLine[1].x = x + w/2;<br />
    vLine[1].y = y + h;<br />
<br />
    pLine->Begin( );<br />
    pLine->Draw( vLine, 2, D3DCOLOR_RGBA( r, g, b, a ) );<br />
    pLine->End( );<br />
}<br />

<br />
float PanelWidth = 150.0f;<br />
float PanelHeight = 200.0f;<br />
<br />
pDevice->CreateVertexBuffer(4 * sizeof(PANELVERTEX), D3DUSAGE_WRITEONLY,<br />
                                 D3DFVF_PANELVERTEX, D3DPOOL_MANAGED, &g_pVertices);<br />
<br />
PANELVERTEX* pVertices = NULL;<br />
g_pVertices->Lock(0, 4 * sizeof(PANELVERTEX), (BYTE**)&pVertices, 0);<br />
<br />
//Set all the colors to white<br />
pVertices[0].color = pVertices[1].color = pVertices[2].color = pVertices[3].color = 0xffffffff;<br />
<br />
//Set positions and texture coordinates<br />
pVertices[0].x = pVertices[3].x = -PanelWidth / 2.0f;<br />
pVertices[1].x = pVertices[2].x = PanelWidth / 2.0f;<br />
<br />
pVertices[0].y = pVertices[1].y = PanelHeight / 2.0f;<br />
pVertices[2].y = pVertices[3].y = -PanelHeight / 2.0f;<br />
<br />
pVertices[0].z = pVertices[1].z = pVertices[2].z = pVertices[3].z = 1.0f;<br />
<br />
pVertices[1].u = pVertices[2].u = 1.0f;<br />
pVertices[0].u = pVertices[3].u = 0.0f;<br />
<br />
pVertices[0].v = pVertices[1].v = 0.0f;<br />
pVertices[2].v = pVertices[3].v = 1.0f;<br />
<br />
g_pVertices->Unlock();<br />
<br />
pDevice->SetVertexShader(D3DFVF_PANELVERTEX);<br />
pDevice->SetStreamSource(0, g_pVertices, sizeof(PANELVERTEX));<br />
pDevice->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);<br />
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