// CHImageView.cpp : ±¸Çö ÆÄÀÏÀÔ´Ï´Ù.
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//
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#include "stdafx.h"
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#include "CHImageView.h"
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#include "CHBufferDC.h"
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#include <math.h>
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using namespace CHImageControls;
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// CCHImageView
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IMPLEMENT_DYNAMIC(CCHImageView, CWnd)
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CCHImageView::CCHImageView()
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{
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Reset();
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}
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CCHImageView::CCHImageView(CWnd *pParentWnd)
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{
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Reset();
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m_pParentWnd = pParentWnd;
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}
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void CCHImageView::Reset()
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{
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m_strViewName = _T("");
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m_pParentWnd = NULL;
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m_nHScroll = 0;
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m_nVScroll = 0;
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m_nMaxHScroll = 0;
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m_nMaxVScroll = 0;
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m_bDrawObject = TRUE;
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m_dWidthScale = 1.0;
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m_dHeightScale = 1.0;
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m_nScaleWidth = 0;
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m_nScaleHeight = 0;
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m_nDrawType = DrawOrigin;
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m_rtClientRect = CRect(0,0,0,0);
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}
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CCHImageView::~CCHImageView()
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{
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ReleaseImage();
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}
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BEGIN_MESSAGE_MAP(CCHImageView, CWnd)
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ON_WM_PAINT()
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ON_WM_MOUSEMOVE()
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ON_WM_LBUTTONDOWN()
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ON_WM_LBUTTONUP()
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ON_WM_RBUTTONDOWN()
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ON_WM_RBUTTONUP()
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ON_WM_DESTROY()
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ON_WM_HSCROLL()
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ON_WM_VSCROLL()
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ON_WM_ERASEBKGND()
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ON_WM_MOUSEWHEEL()
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// ON_WM_SETCURSOR()
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ON_WM_LBUTTONDBLCLK()
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ON_WM_RBUTTONDBLCLK()
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END_MESSAGE_MAP()
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// CCHImageView ¸Þ½ÃÁö 󸮱âÀÔ´Ï´Ù.
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void CCHImageView::UpdateImageView(CDC *pDC)
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{
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CRect rtCurrentRect , rtSourceRect;
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GetClientRect(rtCurrentRect);
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if (GetImageExist())
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{
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if (m_rtClientRect!=rtCurrentRect) SetDrawType(m_nDrawType);
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int nSrcWidth = GetWidth();
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int nSrcHeight = GetHeight();
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int nWidth = int(double(nSrcWidth) * m_dWidthScale + 0.5);
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int nHeight = int(double(nSrcHeight) * m_dHeightScale + 0.5);
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if (m_nScaleWidth!=nWidth || m_nScaleHeight!=nHeight) SetDrawType(m_nDrawType);
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switch(m_nDrawType)
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{
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case DrawOrigin:
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pDC->SelectStockObject(GRAY_BRUSH);
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pDC->Rectangle(rtCurrentRect);
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ShowImage(pDC->m_hDC, 0, 0, rtCurrentRect.Width(), rtCurrentRect.Height(), m_nHScroll, m_nVScroll);
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break;
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case DrawScale:
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pDC->SelectStockObject(GRAY_BRUSH);
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pDC->Rectangle(rtCurrentRect);
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if (rtCurrentRect.Width() < nWidth)
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{
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rtSourceRect.left = int(double(m_nHScroll) / m_dWidthScale);
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rtSourceRect.right = rtSourceRect.left + int(double(rtCurrentRect.Width()) / m_dWidthScale);
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}
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else
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{
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rtSourceRect.left = 0;
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rtSourceRect.right = nSrcWidth;
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rtCurrentRect.right = nWidth;
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}
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if (rtCurrentRect.Height() < nHeight)
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{
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rtSourceRect.top = int(double(m_nMaxVScroll-m_nVScroll) / m_dHeightScale);
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rtSourceRect.bottom = rtSourceRect.top + int(double(rtCurrentRect.Height()) / m_dHeightScale);
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}
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else
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{
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rtSourceRect.top = 0;
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rtSourceRect.bottom = nSrcHeight;
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rtCurrentRect.bottom = nHeight;
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}
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ShowImage(pDC->m_hDC, rtSourceRect, rtCurrentRect);
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break;
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case DrawFit:
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ShowImage(pDC->m_hDC, rtCurrentRect);
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break;
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}
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if (m_bDrawObject) DrawObjectList(pDC);
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}
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else
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{
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pDC->SelectStockObject(GRAY_BRUSH);
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pDC->Rectangle(rtCurrentRect);
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CFont font;
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VERIFY(font.CreateFont(
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35, // nHeight
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15, // nWidth
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0, // nEscapement
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0, // nOrientation
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FW_NORMAL, // nWeight
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FALSE, // bItalic
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FALSE, // bUnderline
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0, // cStrikeOut
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ANSI_CHARSET, // nCharSet
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OUT_DEFAULT_PRECIS, // nOutPrecision
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CLIP_DEFAULT_PRECIS, // nClipPrecision
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DEFAULT_QUALITY, // nQuality
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DEFAULT_PITCH | FF_SWISS, // nPitchAndFamily
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_T("Arial"))); // lpszFacename
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// Do something with the font just created...
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CFont* def_font = pDC->SelectObject(&font);
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pDC->SetTextColor(RGB(255,255,255));
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pDC->SetBkMode(TRANSPARENT);
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int strValue = m_strViewName.GetLength() * 15 / 2;
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pDC->TextOut(rtCurrentRect.Width()/2 - strValue, rtCurrentRect.Height()/2 - 20, m_strViewName);
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pDC->SelectObject(def_font);
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}
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}
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void CCHImageView::OnPaint()
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{
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CCHBufferDC *pDC = new CCHBufferDC(this); // device context for painting
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UpdateImageView(pDC);
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delete pDC;
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}
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void CCHImageView::OnMouseMove(UINT nFlags, CPoint point)
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{
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// TODO: ¿©±â¿¡ ¸Þ½ÃÁö 󸮱â Äڵ带 Ãß°¡ ¹×/¶Ç´Â ±âº»°ªÀ» È£ÃâÇÕ´Ï´Ù.
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if (m_pParentWnd==NULL || !GetImageExist()) return;
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if (point.x >= -1 && point.x < GetScaleWidth() &&
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point.y >= -1 && point.y < GetScaleHeight() )
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{
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m_pParentWnd->SendMessage(WM_MOUSEMOVE, static_cast<WPARAM>(nFlags), MAKELPARAM(point.x, point.y));
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}
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__super::OnMouseMove(nFlags, point);
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}
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int CCHImageView::PointInDrawObject(CPoint point, CRect& rtResult)
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{
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int nMinIndex = -1;
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long nMinDist = INT_MAX;
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long nCurDist = 0;
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int nIndex = 0;
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for (ListDrawObjectIt it = m_ListDrawObject.begin(); it != m_ListDrawObject.end(); it++)
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{
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CRect rtRect(it->nLeft, it->nTop, it->nRight, it->nBottom);
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if (rtRect.PtInRect(point))
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{
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nCurDist = abs(it->GetCenterX() - point.x) + abs(it->GetCenterY() - point.y);
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if (nMinDist > nCurDist)
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{
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nMinIndex = nIndex;
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nMinDist = nCurDist;
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rtResult = rtRect;
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}
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}
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nIndex++;
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}
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return nMinIndex;
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}
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void CCHImageView::OnLButtonDown(UINT nFlags, CPoint point)
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{
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// TODO: ¿©±â¿¡ ¸Þ½ÃÁö 󸮱â Äڵ带 Ãß°¡ ¹×/¶Ç´Â ±âº»°ªÀ» È£ÃâÇÕ´Ï´Ù.
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if (m_pParentWnd==NULL || !GetImageExist()) return;
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if (point.x > -1 && point.x < GetScaleWidth() &&
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point.y > -1 && point.y < GetScaleHeight() )
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{
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m_pParentWnd->SendMessage(WM_LBUTTONDOWN, static_cast<WPARAM>(nFlags), MAKELPARAM(point.x, point.y));
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}
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__super::OnLButtonDown(nFlags, point);
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}
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void CCHImageView::OnLButtonUp(UINT nFlags, CPoint point)
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{
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// TODO: ¿©±â¿¡ ¸Þ½ÃÁö 󸮱â Äڵ带 Ãß°¡ ¹×/¶Ç´Â ±âº»°ªÀ» È£ÃâÇÕ´Ï´Ù.
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if (m_pParentWnd==NULL || !GetImageExist()) return;
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if (point.x > -1 && point.x < GetScaleWidth() &&
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point.y > -1 && point.y < GetScaleHeight() )
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{
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m_pParentWnd->SendMessage(WM_LBUTTONUP, static_cast<WPARAM>(nFlags), MAKELPARAM(point.x, point.y));
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}
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__super::OnLButtonUp(nFlags, point);
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}
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void CCHImageView::OnLButtonDblClk(UINT nFlags, CPoint point)
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{
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// TODO: ¿©±â¿¡ ¸Þ½ÃÁö 󸮱â Äڵ带 Ãß°¡ ¹×/¶Ç´Â ±âº»°ªÀ» È£ÃâÇÕ´Ï´Ù.
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if (m_pParentWnd==NULL || !GetImageExist()) return;
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if (point.x > -1 && point.x < GetScaleWidth() &&
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point.y > -1 && point.y < GetScaleHeight() )
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{
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m_pParentWnd->SendMessage(WM_LBUTTONDBLCLK, static_cast<WPARAM>(nFlags), MAKELPARAM(point.x, point.y));
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}
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__super::OnLButtonDblClk(nFlags, point);
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}
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void CCHImageView::OnRButtonDown(UINT nFlags, CPoint point)
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{
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// TODO: ¿©±â¿¡ ¸Þ½ÃÁö 󸮱â Äڵ带 Ãß°¡ ¹×/¶Ç´Â ±âº»°ªÀ» È£ÃâÇÕ´Ï´Ù.
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if (m_pParentWnd==NULL) return;
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CPoint ptScroll = point;
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point.x += m_nHScroll;
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point.y += m_nVScroll;
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m_pParentWnd->SendMessage(WM_RBUTTONDOWN, static_cast<WPARAM>(nFlags), MAKELPARAM(point.x, point.y));
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__super::OnRButtonDown(nFlags, point);
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}
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void CCHImageView::OnRButtonUp(UINT nFlags, CPoint point)
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{
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// TODO: ¿©±â¿¡ ¸Þ½ÃÁö 󸮱â Äڵ带 Ãß°¡ ¹×/¶Ç´Â ±âº»°ªÀ» È£ÃâÇÕ´Ï´Ù.
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if (m_pParentWnd==NULL) return;
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m_pParentWnd->SendMessage(WM_RBUTTONUP, static_cast<WPARAM>(nFlags), MAKELPARAM(point.x, point.y));
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__super::OnRButtonUp(nFlags, point);
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}
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void CCHImageView::OnRButtonDblClk(UINT nFlags, CPoint point)
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{
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// TODO: ¿©±â¿¡ ¸Þ½ÃÁö 󸮱â Äڵ带 Ãß°¡ ¹×/¶Ç´Â ±âº»°ªÀ» È£ÃâÇÕ´Ï´Ù.
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if (m_pParentWnd==NULL) return;
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m_pParentWnd->SendMessage(WM_RBUTTONDBLCLK, static_cast<WPARAM>(nFlags), MAKELPARAM(point.x, point.y));
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__super::OnRButtonDblClk(nFlags, point);
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}
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void CCHImageView::SetDrawObject(BOOL bDraw)
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{
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m_bDrawObject = bDraw;
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}
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void CCHImageView::SetDrawType(int nDrawType)
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{
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m_nDrawType = nDrawType;
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GetClientRect(m_rtClientRect);
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m_nScaleWidth = GetScaleWidth();
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m_nScaleHeight = GetScaleHeight();
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switch(m_nDrawType)
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{
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case DrawOrigin:
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if (m_rtClientRect.Width() >= m_nScaleWidth)
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{
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m_nMaxHScroll = 0;
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}
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else
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{
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m_nMaxHScroll = m_nScaleWidth - (m_rtClientRect.Width()+17);
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if (m_nMaxHScroll < 0)
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{
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m_nMaxHScroll = 0;
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}
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else
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{
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m_nMaxHScroll += 17;
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}
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}
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if (m_rtClientRect.Height() >= m_nScaleHeight)
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{
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m_nMaxVScroll = 0;
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}
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else
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{
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m_nMaxVScroll = m_nScaleHeight - (m_rtClientRect.Height()+17);
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if (m_nMaxVScroll < 0)
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{
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m_nMaxVScroll = 0;
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}
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else
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{
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m_nMaxVScroll += 17;
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}
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}
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break;
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case DrawScale:
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m_nMaxHScroll = m_nScaleWidth - (m_rtClientRect.Width()+17);
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m_nMaxVScroll = m_nScaleHeight - (m_rtClientRect.Height()+17);
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if (m_nMaxVScroll < 0)
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{
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m_nMaxVScroll = 0;
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}
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else
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{
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m_nMaxVScroll += 17;
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}
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if (m_nMaxHScroll < 0)
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{
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m_nMaxHScroll = 0;
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}
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else
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{
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m_nMaxHScroll += 17;
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}
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break;
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case DrawFit:
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m_nMaxHScroll = m_nMaxVScroll = 0;
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break;
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}
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m_nHScroll = m_nVScroll = 0;
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SetScrollRange(SB_HORZ, 0, m_nMaxHScroll);
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SetScrollRange(SB_VERT, 0, m_nMaxVScroll);
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SetScrollPos(SB_HORZ, m_nHScroll);
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SetScrollPos(SB_VERT, m_nVScroll);
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}
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void CCHImageView::DrawObjectList(CDC *pDC)
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{
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for (ListDrawObjectIt it = m_ListDrawObject.begin(); it != m_ListDrawObject.end(); it++)
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{
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DrawObject(pDC, &(*it));
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}
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}
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void CCHImageView::DrawText(CDC *pDC, int nLeft, int nTop, int nRight, int nBottom, double dScaleX, double dScaleY, CCHDrawObject *pObject)
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{
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int nSizeWidth = int(double(pObject->nTextWidth) * dScaleX);
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int nSizeHeight = int(double(pObject->nTextHeight) * dScaleY);
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// text
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CFont font;
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VERIFY(font.CreateFont(
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nSizeHeight, // nHeight
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nSizeWidth, // nWidth
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0, // nEscapement
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0, // nOrientation
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FW_NORMAL, // nWeight
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FALSE, // bItalic
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FALSE, // bUnderline
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0, // cStrikeOut
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ANSI_CHARSET, // nCharSet
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OUT_DEFAULT_PRECIS, // nOutPrecision
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CLIP_DEFAULT_PRECIS, // nClipPrecision
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DEFAULT_QUALITY, // nQuality
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DEFAULT_PITCH | FF_SWISS, // nPitchAndFamily
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_T("Arial"))); // lpszFacename
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// Do something with the font just created...
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CFont* pFont = pDC->SelectObject(&font);
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pDC->SetTextColor(pObject->nForeColor);
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pDC->SetBkMode(TRANSPARENT);
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// int nStartX = nLeft + ((nRight - nLeft)/2) - ((pObject->strTextString.GetLength() * nSizeWidth) / 2);
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// int nStartY = nTop + ((nBottom - nTop)/2) - (nSizeHeight / 2);
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int nStartX = nLeft + 2;
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int nStartY = nTop + 2;
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pDC->TextOut(nStartX, nStartY, pObject->strTextString);
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pDC->SelectObject(pFont);
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}
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void CCHImageView::DrawObject(CDC *pDC, CCHDrawObject *pObject)
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{
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CRect rect;
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int nLeft = int(double(pObject->nLeft) * m_dWidthScale + 0.5) - m_nHScroll;
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int nTop = int(double(pObject->nTop) * m_dHeightScale + 0.5) - m_nVScroll;
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int nRight = int(double(pObject->nRight) * m_dWidthScale + 0.5) - m_nHScroll;
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int nBottom = int(double(pObject->nBottom) * m_dHeightScale + 0.5) - m_nVScroll;
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if (nLeft > GetScaleWidth()) nLeft = GetScaleWidth();
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if (nTop > GetScaleHeight()) nTop = GetScaleHeight();
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if (nRight > GetScaleWidth()) nRight = GetScaleWidth();
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if (nBottom > GetScaleHeight()) nBottom = GetScaleHeight();
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CPen pen, *pOldPen;
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pen.CreatePen(PS_SOLID, pObject->nSize, pObject->nForeColor);
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pOldPen = (CPen*) pDC->SelectObject(&pen);
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CBrush brush, *pBrush;
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if (pObject->nBackColor==NULL_BRUSH)
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{
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pDC->SelectStockObject(pObject->nBackColor);
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}
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else
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{
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brush.CreateSolidBrush(pObject->nBackColor);
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pBrush = (CBrush*)pDC->SelectObject(&brush);
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}
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switch(pObject->nObjectType)
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{
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case ObjectLine:
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pDC->MoveTo(nLeft, nTop);
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pDC->LineTo(nRight, nBottom);
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break;
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case ObjectRectangle:
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pDC->Rectangle(nLeft, nTop, nRight, nBottom);
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break;
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case ObjectCircle:
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pDC->Ellipse(nLeft, nTop, nRight, nBottom);
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break;
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case ObjectText:
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DrawText(pDC, nLeft, nTop, nRight, nBottom, m_dWidthScale, m_dHeightScale, pObject);
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break;
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case ObjectTextRect:
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pDC->Rectangle(nLeft, nTop, nRight, nBottom);
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DrawText(pDC, nLeft, nTop, nRight, nBottom, m_dWidthScale, m_dHeightScale, pObject);
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break;
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}
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}
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int CCHImageView::GetScaleWidth()
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{
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CRect rect;
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int nWidth = GetWidth();
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switch(m_nDrawType)
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{
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case DrawOrigin:
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m_dWidthScale = 1.0;
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return nWidth;
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case DrawScale:
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return int(double(nWidth) * m_dWidthScale + 0.5);
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case DrawFit:
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GetClientRect(rect);
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if (nWidth!=0)
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m_dWidthScale = double(rect.Width()) / double(nWidth);
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return int(double(nWidth) * m_dWidthScale + 0.5);
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}
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return 0;
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}
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int CCHImageView::GetScaleHeight()
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{
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CRect rect;
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int nHeight = GetHeight();
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switch(m_nDrawType)
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{
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case DrawOrigin:
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m_dHeightScale = 1.0;
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return nHeight;
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case DrawScale:
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return int(double(nHeight) * m_dHeightScale + 0.5);
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case DrawFit:
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GetClientRect(rect);
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if (nHeight!=0)
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m_dHeightScale = double(rect.Height()) / double(nHeight);
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return int(double(nHeight) * m_dHeightScale + 0.5);
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}
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return 0;
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}
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int CCHImageView::GetHScrollPos(void)
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{
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return m_nHScroll;
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}
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int CCHImageView::GetVScrollPos(void)
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{
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return m_nVScroll;
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}
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void CCHImageView::SetViewName(const CString strViewName)
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{
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m_strViewName = strViewName;
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}
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void CCHImageView::SetParentWnd(CWnd* pParentWnd)
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{
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m_pParentWnd = pParentWnd;
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}
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void CCHImageView::SetDrawScale(double dScale)
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{
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if (m_nDrawType!=DrawScale) return;
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CRect rect;
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GetClientRect(rect);
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m_dWidthScale = m_dHeightScale = dScale;
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m_nHScroll = m_nVScroll = 0;
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int nWidth = int(double(GetWidth()) * m_dWidthScale);
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int nHeight = int(double(GetHeight()) * m_dHeightScale);
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m_nMaxHScroll = nWidth - rect.Width();
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m_nMaxVScroll = nHeight - rect.Height();
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if (m_nMaxVScroll > 0)
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SetScrollRange(SB_VERT, 0, m_nMaxVScroll);
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else
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SetScrollRange(SB_VERT, 0, 0);
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if (m_nMaxHScroll > 0)
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SetScrollRange(SB_HORZ, 0, m_nMaxHScroll);
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else
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SetScrollRange(SB_HORZ, 0, 0);
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Invalidate(TRUE);
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}
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BOOL CCHImageView::LoadImage(const CString& strFilename)
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{
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if (!CCHImageData::LoadImage(strFilename))
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{
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m_nHScroll = m_nVScroll = 0;
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m_nMaxHScroll = m_nMaxVScroll = 0;
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SetScrollRange(SB_HORZ, 0, m_nMaxHScroll);
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SetScrollRange(SB_VERT, 0, m_nMaxVScroll);
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SetScrollPos(SB_HORZ, m_nHScroll);
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SetScrollPos(SB_VERT, m_nVScroll);
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return FALSE;
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}
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SetDrawType(m_nDrawType);
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return TRUE;
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}
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void CCHImageView::AddDrawObject(const CCHDrawObject &drawObject)
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{
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m_ListDrawObject.push_back(drawObject);
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}
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void CCHImageView::DeleteAllDrawObject(void)
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{
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ListDrawObjectIt it = m_ListDrawObject.begin();
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while (it != m_ListDrawObject.end())
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{
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m_ListDrawObject.erase(it++);
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}
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}
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void CCHImageView::DeleteAllDrawObject(int nType)
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{
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ListDrawObjectIt it = m_ListDrawObject.begin();
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while (it != m_ListDrawObject.end())
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{
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if (it->nObjectType==nType)
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{
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m_ListDrawObject.erase(it++);
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continue;
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}
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it++;
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}
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}
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void CCHImageView::DeleteDrawObject(const CRect& rtRect)
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{
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ListDrawObjectIt it = m_ListDrawObject.begin();
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while (it != m_ListDrawObject.end())
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{
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CRect rtCur = CRect(it->nLeft, it->nTop, it->nRight, it->nBottom);
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if (rtCur==rtRect)
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{
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m_ListDrawObject.erase(it++);
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continue;
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}
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it++;
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}
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}
|
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CCHDrawObject* CCHImageView::GetDrawObject(UINT nIndex)
|
{
|
if (nIndex >= m_ListDrawObject.size())
|
{
|
return NULL;
|
}
|
|
UINT nCount = 0;
|
ListDrawObjectIt it = m_ListDrawObject.begin();
|
while (it != m_ListDrawObject.end())
|
{
|
if (nIndex==nCount)
|
{
|
return &(*it);
|
}
|
|
nCount++;
|
it++;
|
}
|
|
return NULL;
|
}
|
|
void CCHImageView::DeleteTailDrawObject(void)
|
{
|
if (m_ListDrawObject.size()<1) return;
|
|
UINT nSize = (UINT)(m_ListDrawObject.size()-1);
|
ListDrawObjectIt it = m_ListDrawObject.begin();
|
|
UINT nIndex = 0;
|
while (it != m_ListDrawObject.end())
|
{
|
if ((nIndex++)==nSize)
|
{
|
m_ListDrawObject.erase(it++);
|
}
|
else
|
{
|
it++;
|
}
|
}
|
|
}
|
|
void CCHImageView::OnDestroy()
|
{
|
__super::OnDestroy();
|
|
// TODO: ¿©±â¿¡ ¸Þ½ÃÁö 󸮱â Äڵ带 Ãß°¡ÇÕ´Ï´Ù.
|
DeleteAllDrawObject();
|
}
|
|
void CCHImageView::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)
|
{
|
// TODO: ¿©±â¿¡ ¸Þ½ÃÁö 󸮱â Äڵ带 Ãß°¡ ¹×/¶Ç´Â ±âº»°ªÀ» È£ÃâÇÕ´Ï´Ù.
|
switch (nSBCode)
|
{
|
case SB_LEFT: // Scroll to far left.
|
break;
|
case SB_RIGHT: // Scroll to far right.
|
break;
|
case SB_ENDSCROLL: // End scroll.
|
break;
|
case SB_LINELEFT: // Scroll left.
|
if (m_nHScroll > 0)
|
m_nHScroll -= 10; //m_nHScroll--;
|
break;
|
case SB_LINERIGHT: // Scroll right.
|
if (m_nHScroll < m_nMaxHScroll)
|
m_nHScroll += 10; //m_nHScroll++;
|
break;
|
case SB_PAGELEFT: // Scroll one page left.
|
if (5 < m_nMaxHScroll / 256)
|
m_nHScroll -= 40;//m_nHScroll -= 5;
|
else
|
m_nHScroll -= 20;//m_nHScroll -= m_nMaxHScroll / 256;
|
|
if (m_nHScroll < 0)
|
m_nHScroll = 0;
|
break;
|
case SB_PAGERIGHT: // Scroll one page right.
|
if (5 < m_nMaxHScroll / 256)
|
m_nHScroll += 40;//m_nHScroll += 5;
|
else
|
m_nHScroll += 20;//m_nHScroll += m_nMaxHScroll / 256;
|
|
if (m_nHScroll > m_nMaxHScroll)
|
m_nHScroll = m_nMaxHScroll;
|
break;
|
case SB_THUMBPOSITION: // Scroll to absolute position. nPos is the position
|
break;
|
case SB_THUMBTRACK: // Drag scroll box to specified position. nPos is the
|
m_nHScroll = nPos;
|
TRACE(_T("Horz SB_THUMBTRACK : %d\n"), nPos);
|
break;
|
}
|
|
// Set the new position of the thumb (scroll box).
|
SetScrollPos(SB_HORZ, m_nHScroll);
|
|
Invalidate(FALSE);
|
|
__super::OnHScroll(nSBCode, nPos, pScrollBar);
|
}
|
|
void CCHImageView::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)
|
{
|
// TODO: ¿©±â¿¡ ¸Þ½ÃÁö 󸮱â Äڵ带 Ãß°¡ ¹×/¶Ç´Â ±âº»°ªÀ» È£ÃâÇÕ´Ï´Ù.
|
switch (nSBCode)
|
{
|
case SB_BOTTOM: // Scroll to bottom.
|
break;
|
case SB_ENDSCROLL: // End scroll.
|
break;
|
case SB_LINEDOWN: // Scroll one line down.
|
if (m_nVScroll < m_nMaxVScroll)
|
m_nVScroll += 10; //m_nVScroll++;
|
break;
|
case SB_LINEUP: // Scroll one line up.
|
if (m_nVScroll > 0)
|
m_nVScroll -= 10; //m_nVScroll--;
|
break;
|
case SB_PAGEDOWN: // Scroll one page down.
|
if (5 < m_nMaxVScroll / 256)
|
m_nVScroll += 40;//m_nVScroll += 5;
|
else
|
m_nVScroll += 20;//m_nVScroll += (m_nMaxVScroll / 256);
|
|
if (m_nVScroll > m_nMaxVScroll)
|
m_nVScroll = m_nMaxVScroll;
|
break;
|
case SB_PAGEUP: // Scroll one page up.
|
if (5 < m_nMaxVScroll / 256)
|
m_nVScroll -= 40;//m_nVScroll -= 5;
|
else
|
m_nVScroll -= 20;//m_nVScroll -= (m_nMaxVScroll / 256);
|
|
if (m_nVScroll < 0)
|
m_nVScroll = 0;
|
break;
|
case SB_THUMBPOSITION: // Scroll to the absolute position. The current position is provided in nPos.
|
break;
|
case SB_THUMBTRACK: // Drag scroll box to specified position. The current position is provided in nPos.
|
m_nVScroll = nPos;
|
TRACE(_T("Vert SB_THUMBTRACK : %d\n"), nPos);
|
break;
|
case SB_TOP: // Scroll to top.
|
break;
|
}
|
|
// Set the new position of the thumb (scroll box).
|
SetScrollPos(SB_VERT, m_nVScroll);
|
|
Invalidate(FALSE);
|
|
__super::OnVScroll(nSBCode, nPos, pScrollBar);
|
}
|
|
|
BOOL CCHImageView::OnEraseBkgnd(CDC* pDC)
|
{
|
// TODO: ¿©±â¿¡ ¸Þ½ÃÁö 󸮱â Äڵ带 Ãß°¡ ¹×/¶Ç´Â ±âº»°ªÀ» È£ÃâÇÕ´Ï´Ù.
|
|
return TRUE;
|
|
// return __super::OnEraseBkgnd(pDC);
|
}
|
|
BOOL CCHImageView::OnMouseWheel(UINT nFlags, short zDelta, CPoint pt)
|
{
|
// TODO: ¿©±â¿¡ ¸Þ½ÃÁö 󸮱â Äڵ带 Ãß°¡ ¹×/¶Ç´Â ±âº»°ªÀ» È£ÃâÇÕ´Ï´Ù.
|
if (nFlags == MK_SHIFT)
|
{
|
if (zDelta<=0)
|
{
|
DWORD dw = SB_PAGERIGHT;
|
SendMessage(WM_HSCROLL, dw, 0);
|
}
|
else
|
{
|
DWORD dw = SB_PAGELEFT;
|
SendMessage(WM_HSCROLL, dw, 0);
|
}
|
}
|
else
|
{
|
if (zDelta<=0)
|
{
|
DWORD dw = SB_PAGEDOWN;
|
SendMessage(WM_VSCROLL, dw, 0);
|
}
|
else
|
{
|
DWORD dw = SB_PAGEUP;
|
SendMessage(WM_VSCROLL, dw, 0);
|
}
|
}
|
|
return __super::OnMouseWheel(nFlags, zDelta, pt);
|
}
|
