32 lines
784 B
C++
32 lines
784 B
C++
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#include "bitmap_control.h"
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using namespace ui;
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BitmapControl::BitmapControl()
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{
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bitmap_ = NULL;
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}
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void BitmapControl::Paint(ui::IRenderContext* pRender, const ui::UiRect& rcPaint)
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{
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if (!::IntersectRect(&m_rcPaint, &rcPaint, &m_rcItem)) return;
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__super::Paint(pRender, rcPaint);
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if (NULL == bitmap_)
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return;
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HDC hCloneDC = ::CreateCompatibleDC(pRender->GetDC());
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HBITMAP hOldBitmap = (HBITMAP) ::SelectObject(hCloneDC, bitmap_);
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pRender->AlphaBlend(m_rcItem.left, m_rcItem.top, m_rcItem.right - m_rcItem.left, m_rcItem.bottom - m_rcItem.top, hCloneDC,
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0, 0, m_rcItem.right - m_rcItem.left, m_rcItem.bottom - m_rcItem.top);
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::SelectObject(hCloneDC, hOldBitmap);
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::DeleteDC(hCloneDC);
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}
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void BitmapControl::SetBitmapImage(HBITMAP bitmap)
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{
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bitmap_ = bitmap;
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}
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