1 WNDCLASSEX wcex = {0};
2
3 wcex.cbSize = sizeof(WNDCLASSEX);
4 wcex.lpszClassName = L"test";
5 wcex.lpfnWndProc = Test::WndProc;
6
7 RegisterClassEx(&wcex);
8 m_hWnd = ::CreateWindowEx (WS_EX_LEFT, TEXT("test"), NULL, WS_CHILD | BS_OWNERDRAW, 0, 0, 200, 200, hParent, NULL, NULL, 0) ;
9
10
11
12 HDC hDC = GetDC(hWnd);
13 RECT wndRect;
14 ::GetClientRect(hWnd, &wndRect);
15 int nWidth = wndRect.right-wndRect.left;
16 int nHeight = wndRect.bottom-wndRect.top;
17
18 Gdiplus::Bitmap *pBmp = new Gdiplus::Bitmap(nWidth, nHeight);
19 Gdiplus::Graphics graphics(pBmp);
20 graphics.SetSmoothingMode(Gdiplus::SmoothingModeAntiAlias); // 设置抗锯齿
21 Gdiplus::Pen newPen(Gdiplus::Color( 255, 0, 0 ), 3);
22 Gdiplus::Font textFont(L"微软雅黑", 14, Gdiplus::FontStyleRegular);
23 Gdiplus::SolidBrush solodWhiteBrush(Gdiplus::Color( 255, 255, 255 ));
24 Gdiplus::Brush *pWhiteBrush= solodWhiteBrush.Clone();
25
26 Gdiplus::SolidBrush solodBlackBrush(Gdiplus::Color( 60, 60, 60 ));
27 Gdiplus::Brush *pBlackBrush = solodBlackBrush.Clone();
28
29
30
31 graphics.FillRectangle(pWhiteBrush, 0, 0, nWidth , nHeight );
32 graphics.FillPie(pBlackBrush , 0, 0, 150, 150, 0, 360);
33 // 画中间圆形
34 graphics.FillEllipse(pWhiteBrush, 15, 15, 120, 120);
35
36
37
38 Gdiplus::StringFormat stringformat(NULL);
39 Gdiplus::RectF stringRect;
40 Gdiplus::RectF layoutRect(0, 0, 200, 200);
41
42 std::wstring strText = "测量文字长度";
43 graphics.MeasureString(strText.c_str(), strText.size(), &textFont, layoutRect, &stringformat, &stringRect);
44 oriPoint.X = (200-stringRect.Width)/2;
45 oriPoint.Y = 125;
46 graphics.DrawString(strText.c_str(), strText.size(), &textFont, oriPoint, NULL, pBlackBrush );
47
48 Gdiplus::Graphics graphicsHdc(hDC);
49 /*Important! Create a CacheBitmap object for quick drawing*/
50 Gdiplus::CachedBitmap cachedBmp(pBmp,&graphicsHdc);
51 graphicsHdc.DrawCachedBitmap(&cachedBmp,0,0);
52
53
54 ::ReleaseDC(hWnd, hDC);
55
56
