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250 lines
6.1 KiB
C++
250 lines
6.1 KiB
C++
// XTPMarkupImage.cpp: implementation of the CXTPMarkupImage class.
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//
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// This file is a part of the XTREME TOOLKIT PRO MFC class library.
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// (c)1998-2012 Codejock Software, All Rights Reserved.
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//
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// THIS SOURCE FILE IS THE PROPERTY OF CODEJOCK SOFTWARE AND IS NOT TO BE
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// RE-DISTRIBUTED BY ANY MEANS WHATSOEVER WITHOUT THE EXPRESSED WRITTEN
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// CONSENT OF CODEJOCK SOFTWARE.
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//
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// THIS SOURCE CODE CAN ONLY BE USED UNDER THE TERMS AND CONDITIONS OUTLINED
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// IN THE XTREME TOOLKIT PRO LICENSE AGREEMENT. CODEJOCK SOFTWARE GRANTS TO
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// YOU (ONE SOFTWARE DEVELOPER) THE LIMITED RIGHT TO USE THIS SOFTWARE ON A
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// SINGLE COMPUTER.
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//
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// CONTACT INFORMATION:
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// support@codejock.com
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// http://www.codejock.com
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//
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/////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "Common/XTPImageManager.h"
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#include "XTPMarkupObject.h"
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#include "XTPMarkupInputElement.h"
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#include "XTPMarkupUIElement.h"
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#include "XTPMarkupFrameworkElement.h"
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#include "XTPMarkupShape.h"
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#include "XTPMarkupImage.h"
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#include "XTPMarkupDrawingContext.h"
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#include "XTPMarkupContext.h"
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#include "XTPMarkupBuilder.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[]=__FILE__;
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#define new DEBUG_NEW
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#endif
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CXTPMarkupDependencyProperty* CXTPMarkupImage::m_pSourceProperty = NULL;
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CXTPMarkupDependencyProperty* CXTPMarkupImage::m_pStretchProperty = NULL;
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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IMPLEMENT_MARKUPCLASS(L"Image", CXTPMarkupImage, CXTPMarkupFrameworkElement)
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void CXTPMarkupImage::RegisterMarkupClass()
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{
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m_pSourceProperty = CXTPMarkupDependencyProperty::Register(L"Source", MARKUP_TYPE(CXTPMarkupString), MARKUP_TYPE(CXTPMarkupImage),
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new CXTPMarkupPropertyMetadata(NULL, CXTPMarkupPropertyMetadata::flagAffectsMeasure));
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m_pStretchProperty = CXTPMarkupDependencyProperty::Register(L"Stretch", MARKUP_TYPE(CXTPMarkupEnum), MARKUP_TYPE(CXTPMarkupImage),
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new CXTPMarkupPropertyMetadata(CXTPMarkupEnum::CreateValue(xtpMarkupStretchNone), &CXTPMarkupBuilder::ConvertStretch, CXTPMarkupPropertyMetadata::flagAffectsMeasure));
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}
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CXTPMarkupImage::CXTPMarkupImage()
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{
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m_pImageManager = NULL;
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m_pImage = NULL;
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}
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CXTPMarkupImage::~CXTPMarkupImage()
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{
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CMDTARGET_RELEASE(m_pImage);
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CMDTARGET_RELEASE(m_pImageManager);
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}
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CString CXTPMarkupImage::GetSource()
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{
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CXTPMarkupString* pSource = MARKUP_STATICCAST(CXTPMarkupString, GetValue(m_pSourceProperty));
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if (!pSource)
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return _T("");
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return CString(*pSource);
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}
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void CXTPMarkupImage::SetSource(LPCTSTR lpszSource)
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{
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SetValue(m_pSourceProperty, new CXTPMarkupString(lpszSource));
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}
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void CXTPMarkupImage::LoadImage(int cx)
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{
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CXTPMarkupString* pSource = MARKUP_STATICCAST(CXTPMarkupString, GetValue(m_pSourceProperty));
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if (!pSource)
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return;
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CMDTARGET_RELEASE(m_pImageManager);
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CMDTARGET_RELEASE(m_pImage);
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LPCWSTR lpszSource = (*pSource);
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if (wcsncmp(lpszSource, L"file://", 7) == 0)
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{
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CString strFileName(lpszSource + 7);
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m_pImageManager = new CXTPImageManager();
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m_pImageManager->SetMaskColor(0x00FF00);
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if (strFileName.Right(3).CompareNoCase(_T("ico")) == 0)
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{
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m_pImageManager->SetIconFromIcoFile(strFileName, 0, 0,xtpImageNormal);
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}
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else
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{
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BOOL bAlphaBitmap = FALSE;
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HBITMAP hBitmap = CXTPImageManagerIcon::LoadBitmapFromFile(strFileName, &bAlphaBitmap);
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if (hBitmap)
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{
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CBitmap bmp;
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bmp.Attach(hBitmap);
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m_pImageManager->SetIcons(bmp, 0, 1, 0, xtpImageNormal, bAlphaBitmap);
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}
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}
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m_pImage = m_pImageManager->GetImage(0, cx);
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CMDTARGET_ADDREF(m_pImage);
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}
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else if (wcsncmp(lpszSource, L"res://", 6) == 0)
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{
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CString strResourceName(lpszSource + 6);
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LPCTSTR lpszResource = (LPCTSTR)strResourceName;
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if (lpszResource[0] == _T('#'))
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{
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lpszResource = MAKEINTRESOURCE(_ttoi(lpszResource + 1));
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}
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m_pImageManager = new CXTPImageManager();
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m_pImageManager->SetMaskColor(0x00FF00);
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BOOL bAlphaBitmap = FALSE;
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HBITMAP hBitmap = CXTPImageManagerIcon::LoadBitmapFromResource(AfxGetResourceHandle(), lpszResource, &bAlphaBitmap);
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if (!hBitmap)
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{
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hBitmap = CXTPImageManagerIcon::LoadBitmapFromResource(lpszResource, &bAlphaBitmap);
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}
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if (hBitmap)
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{
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CBitmap bmp;
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bmp.Attach(hBitmap),
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m_pImageManager->SetIcons(bmp, 0, 1, 0, xtpImageNormal, bAlphaBitmap);
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}
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else
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{
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m_pImageManager->SetIcon(strResourceName, 0);
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}
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m_pImage = m_pImageManager->GetImage(0, cx);
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CMDTARGET_ADDREF(m_pImage);
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}
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else
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{
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int nIndex = _wtoi(lpszSource);
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if (nIndex > 0)
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{
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m_pImageManager = m_pMarkupContext->GetImageManager();
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CMDTARGET_ADDREF(m_pImageManager);
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m_pImage = m_pImageManager->GetImage(nIndex, cx);
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CMDTARGET_ADDREF(m_pImage);
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}
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}
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}
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AFX_INLINE BOOL IsPositiveInfinity(int size) {
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return size > 32000;
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}
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CSize CXTPMarkupImage::MeasureArrangeHelper(CSize availableSize)
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{
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if (!m_pImage)
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return CSize(0, 0);
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CSize szContent(m_pImage->GetWidth(), m_pImage->GetHeight());
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if (szContent.cx == 0 || szContent.cy == 0)
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return szContent;
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XTPMarkupStretch stretch = GetStretch();
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BOOL bWidth = !IsPositiveInfinity(availableSize.cx);
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BOOL bHeight = !IsPositiveInfinity(availableSize.cy);
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if ((stretch == xtpMarkupStretchNone) || (!bWidth && !bHeight))
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{
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return szContent;
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}
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double cx = (double)availableSize.cx / szContent.cx;
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double cy = (double)availableSize.cy / szContent.cy;
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if (!bWidth)
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{
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cx = cy;
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}
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else if (!bHeight)
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{
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cy = cx;
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}
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else
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{
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switch (stretch)
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{
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case xtpMarkupStretchUniform:
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cx = cy = min(cx, cy);
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break;
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case xtpMarkupStretchUniformToFill:
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cx = cy = max(cx, cy);
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break;
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}
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}
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return CSize(int(szContent.cx * cx), int(szContent.cy * cy));
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}
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CSize CXTPMarkupImage::MeasureOverride(CXTPMarkupDrawingContext* /*pDC*/, CSize constraint)
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{
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LoadImage(constraint.cx);
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return MeasureArrangeHelper(constraint);
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}
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CSize CXTPMarkupImage::ArrangeOverride(CSize arrangeSize)
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{
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return MeasureArrangeHelper(arrangeSize);
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}
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void CXTPMarkupImage::OnRender(CXTPMarkupDrawingContext* pDC)
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{
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CSize szRender = GetRenderSize();
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if (!m_pImage)
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return;
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HDC hDC = pDC->GetDC();
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m_pImage->Draw(CDC::FromHandle(hDC), CPoint(0, 0), szRender);
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pDC->ReleaseDC(hDC);
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}
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