.h文件

1 #ifndef __UIHEADICON_H__ 2 #define __UIHEADICON_H__ 3 4 5 /* 6 名稱：圓形頭像控件（派生CButtonUI類） 7 */ 8 9 10 class CHeadUI: public CButtonUI 11 { 12 public: 13 14 CHeadUI(); 15 16 LPCTSTR GetClass() const; 17 LPVOID GetInterface(LPCTSTR pstrName); 18 19 void SetAttribute(LPCTSTR pstrName, LPCTSTR pstrValue); 20 21 void PaintBkImage(HDC hDC); 22 23 void SetBkImage(LPCTSTR pStrImage); 24 25 void SetDefaultBkImage(LPCTSTR pStrImage){ m_sDefaultBkImage = pStrImage; } 26 CDuiString GetDefaultBkImage(){ return m_sDefaultBkImage; } 27 void SetAutoPenColor(bool bAuto){ m_bAutoPenColor = bAuto; } 28 bool IsAutoPenColor() { return m_bAutoPenColor; } 29 void SetPenColor(DWORD dwColor){ m_dwPenColor = dwColor; } 30 DWORD GetPenColor(HDC hDC); 31 void SetPenWidth(int nPenWidth){ m_nPenWidth = nPenWidth; } 32 int GetPenWidth(){ return m_nPenWidth; } 33 34 bool IsHeadImageExist(LPCTSTR pStrImage); 35 36 private: 37 38 CDuiString m_sDefaultBkImage; 39 bool m_bAutoPenColor; 40 DWORD m_dwPenColor; 41 int m_nPenWidth; 42 }; 43 44 #endif // __UIHEADICON_H__

.cpp文件

1 #include "StdAfx.h" 2 #include "UIHeadIcon.h" 3 4 CHeadUI::CHeadUI() 5 { 6 m_sDefaultBkImage = _T("Head\\100_1.png"); 7 m_bAutoPenColor = false; 8 m_dwPenColor = Color(255, 255, 255, 255).GetValue(); 9 m_nPenWidth = 2; 10 } 11 12 LPCTSTR CHeadUI::GetClass() const 13 { 14 return _T("HeadIconUI"); 15 } 16 17 LPVOID CHeadUI::GetInterface(LPCTSTR pstrName) 18 { 19 if( _tcscmp(pstrName, _T("HeadIcon")) == 0 ) return static_cast<CHeadUI*>(this); 20 return CControlUI::GetInterface(pstrName); 21 } 22 23 void CHeadUI::SetAttribute(LPCTSTR pstrName, LPCTSTR pstrValue) 24 { 25 if (_tcscmp(pstrName, _T("defaultbkimage")) == 0) SetDefaultBkImage(pstrValue); 26 else if (_tcscmp(pstrName, _T("bkimage")) == 0) SetBkImage(pstrValue); 27 else if (_tcscmp(pstrName, _T("pencolor")) == 0) { 28 while (*pstrValue > _T('\0') && *pstrValue <= _T(' ')) pstrValue = ::CharNext(pstrValue); 29 if (*pstrValue == _T('#')) pstrValue = ::CharNext(pstrValue); 30 LPTSTR pstr = NULL; 31 DWORD clrColor = _tcstoul(pstrValue, &pstr, 16); 32 SetPenColor(clrColor); 33 } 34 else if (_tcscmp(pstrName, _T("autopencolor")) == 0) SetAutoPenColor(_tcscmp(pstrValue, _T("true")) == 0); 35 else if (_tcscmp(pstrName, _T("penwidth")) == 0) SetPenWidth(_ttoi(pstrValue)); 36 else return CButtonUI::SetAttribute(pstrName, pstrValue); 37 } 38 39 void CHeadUI::SetBkImage(LPCTSTR pStrImage) 40 { 41 if (IsHeadImageExist(pStrImage)) 42 { 43 m_sBkImage = pStrImage; 44 } 45 else 46 { 47 TCHAR tszModule[MAX_PATH + 1] = { 0 }; 48 ::GetModuleFileName(CPaintManagerUI::GetInstance(), tszModule, MAX_PATH); 49 CDuiString sInstancePath = tszModule; 50 int pos = sInstancePath.ReverseFind(_T('\\')); 51 if (pos >= 0) sInstancePath = sInstancePath.Left(pos + 1); 52 sInstancePath.Append(pStrImage); 53 54 if (IsHeadImageExist(sInstancePath)) 55 { 56 m_sBkImage = sInstancePath; 57 } 58 else 59 { 60 m_sBkImage = pStrImage; 61 } 62 } 63 64 Invalidate(); 65 } 66 67 void CHeadUI::PaintBkImage(HDC hDC) 68 { 69 //坐標 70 POINT pt = { m_rcItem.left, m_rcItem.top }; 71 72 //大小 73 SIZE sz = { m_rcItem.right - m_rcItem.left, m_rcItem.bottom - m_rcItem.top }; 74 75 Graphics graphics(hDC); 76 if (graphics.GetLastStatus() != Ok) 77 return; 78 79 //消除鋸齒 80 graphics.SetSmoothingMode(SmoothingModeHighQuality); 81 82 GraphicsPath graphicspath; 83 if (graphicspath.GetLastStatus() != Ok) 84 return; 85 86 graphicspath.AddEllipse(pt.x, pt.y, sz.cx, sz.cy); 87 88 //設置裁剪圓 89 graphics.SetClip(&graphicspath, CombineModeReplace); 90 91 Image image(GetBkImage()); 92 if (image.GetLastStatus() != Ok) 93 return; 94 95 //繪制圖像 96 graphics.DrawImage(&image, pt.x, pt.y, sz.cx, sz.cy); 97 98 //繪制一個1像素寬度的圓形，用于消除鋸齒 99 Pen myPen(GetPenColor(hDC), GetPenWidth()); 100 if (myPen.GetLastStatus() != Ok) 101 return; 102 103 graphics.DrawEllipse(&myPen, pt.x, pt.y, sz.cx, sz.cy); 104 } 105 106 DWORD CHeadUI::GetPenColor(HDC hDC) 107 { 108 if (IsAutoPenColor()) 109 { 110 //像素值顏色取點（ pt.x + 1, pt.y + 1）的值 111 RECT rc = GetPos(); 112 COLORREF color = GetPixel(hDC, rc.left + 1, rc.top + 1); 113 114 BYTE r = GetRValue(color); 115 BYTE g = GetGValue(color); 116 BYTE b = GetBValue(color); 117 118 return Color(255, r, g, b).GetValue(); 119 } 120 121 return m_dwPenColor; 122 } 123 124 bool CHeadUI::IsHeadImageExist(LPCTSTR pStrImage) 125 { 126 return GetFileAttributes(pStrImage) == -1 ? false : true; 127 }

?

xml里這樣定義:

<HeadIcon name="photo" bkimage="photo.png" autopencolor="true" float="true" pos="260,10,0,0" width="70" height="60"/> 1 CControlUI* CLoginWnd::CreateControl( LPCTSTR pstrClassName ) 2 { 3 if (_tcsicmp(pstrClassName, _T("HeadIcon")) == 0) 4 { 5 return new CHeadUI; 6 } 7 return NULL; 8 }

?

運行效果圖:

?

demo：

Duilib圓形頭像控件

轉載于:https://www.cnblogs.com/chechen/p/5971356.html

總結

以上是生活随笔為你收集整理的Duilib实现圆形头像控件的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。