45 lines
881 B
C++
45 lines
881 B
C++
#include "stdafx.h"
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#include "CImageShowStatic.h"
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IMPLEMENT_DYNAMIC(CImageShowStatic, CStatic)
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CImageShowStatic::CImageShowStatic()
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{
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}
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BEGIN_MESSAGE_MAP(CImageShowStatic, CStatic)
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//ON_WM_PAINT()
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END_MESSAGE_MAP()
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void CImageShowStatic::PreSubclassWindow()
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{
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CStatic::PreSubclassWindow();
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ModifyStyle(0, SS_OWNERDRAW);
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}
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void CImageShowStatic::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
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{
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CDC* pDc = CDC::FromHandle(lpDrawItemStruct->hDC);
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CRect rect = lpDrawItemStruct->rcItem;
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CImage image;
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if (FAILED(image.Load(m_sJPGFile)))
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{
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return;
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}
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//获取控件的矩形
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CRect rectControl;
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GetWindowRect(&rectControl);
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ScreenToClient(rectControl);
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//以控件为画布，在其上画图
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SetStretchBltMode(pDc->m_hDC, STRETCH_HALFTONE);
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//画图（以下两种方法都可）
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//image.StretchBlt(pDc->m_hDC, rectPicture, SRCCOPY);
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image.Draw(pDc->m_hDC, rectControl);
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image.Destroy();
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} |