svn path=/Slnkdwf/trunk/; revision=12498
This commit is contained in:
Jos Groot Lipman
168
SlnkDWFCom/ImageConvert.cpp
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168
SlnkDWFCom/ImageConvert.cpp
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// ImageConvert.cpp : Implementation of CImageConvert
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#include "stdafx.h"
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#include "ImageConvert.h"
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// CImageConvert
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STDMETHODIMP CImageConvert::InterfaceSupportsErrorInfo(REFIID riid)
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{
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static const IID* arr[] =
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{
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&IID_IImageConvert
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};
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for (int i=0; i < sizeof(arr) / sizeof(arr[0]); i++)
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{
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if (InlineIsEqualGUID(*arr[i],riid))
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return S_OK;
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}
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return S_FALSE;
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}
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CString FindExtension(const CString& name)
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{
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int len = name.GetLength();
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int i;
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for (i = len-1; i >= 0; i--){
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if (name[i] == '.'){
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return name.Mid(i+1);
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}
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}
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return CString("");
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}
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int FindFormat(const CString& ext)
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{
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int type = 0;
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// if (ext == "bmp") type = CXIMAGE_FORMAT_BMP;
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if (0) {}
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#if CXIMAGE_SUPPORT_JPG
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else if (ext=="jpg"||ext=="jpeg") type = CXIMAGE_FORMAT_JPG;
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#endif
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#if CXIMAGE_SUPPORT_GIF
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else if (ext == "gif") type = CXIMAGE_FORMAT_GIF;
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#endif
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#if CXIMAGE_SUPPORT_PNG
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else if (ext == "png") type = CXIMAGE_FORMAT_PNG;
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#endif
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#if CXIMAGE_SUPPORT_MNG
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else if (ext=="mng"||ext=="jng") type = CXIMAGE_FORMAT_MNG;
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#endif
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#if CXIMAGE_SUPPORT_ICO
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else if (ext == "ico") type = CXIMAGE_FORMAT_ICO;
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#endif
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#if CXIMAGE_SUPPORT_TIF
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else if (ext=="tiff"||ext=="tif") type = CXIMAGE_FORMAT_TIF;
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#endif
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#if CXIMAGE_SUPPORT_TGA
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else if (ext=="tga") type = CXIMAGE_FORMAT_TGA;
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#endif
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#if CXIMAGE_SUPPORT_PCX
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else if (ext=="pcx") type = CXIMAGE_FORMAT_PCX;
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#endif
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#if CXIMAGE_SUPPORT_WBMP
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else if (ext=="wbmp") type = CXIMAGE_FORMAT_WBMP;
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#endif
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#if CXIMAGE_SUPPORT_WMF
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else if (ext=="wmf"||ext=="emf") type = CXIMAGE_FORMAT_WMF;
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#endif
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#if CXIMAGE_SUPPORT_J2K
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else if (ext=="j2k"||ext=="jp2") type = CXIMAGE_FORMAT_J2K;
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#endif
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#if CXIMAGE_SUPPORT_JBG
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else if (ext=="jbg") type = CXIMAGE_FORMAT_JBG;
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#endif
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#if CXIMAGE_SUPPORT_JP2
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else if (ext=="jp2"||ext=="j2k") type = CXIMAGE_FORMAT_JP2;
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#endif
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#if CXIMAGE_SUPPORT_JPC
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else if (ext=="jpc"||ext=="j2c") type = CXIMAGE_FORMAT_JPC;
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#endif
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#if CXIMAGE_SUPPORT_PGX
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else if (ext=="pgx") type = CXIMAGE_FORMAT_PGX;
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#endif
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#if CXIMAGE_SUPPORT_RAS
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else if (ext=="ras") type = CXIMAGE_FORMAT_RAS;
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#endif
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#if CXIMAGE_SUPPORT_PNM
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else if (ext=="pnm"||ext=="pgm"||ext=="ppm") type = CXIMAGE_FORMAT_PNM;
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#endif
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else type = CXIMAGE_FORMAT_UNKNOWN;
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return type;
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}
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STDMETHODIMP CImageConvert::Open(BSTR IMGPath)
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{
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CString filein(IMGPath);
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CString extin(FindExtension(filein));
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extin.MakeLower();
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int typein = FindFormat(extin);
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if (typein == CXIMAGE_FORMAT_UNKNOWN) {
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return myAtlReportError (GetObjectCLSID(), "Unknown extension loading %s", filein);
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}
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if (!m_image.Load(filein,typein)){
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return myAtlReportError (GetObjectCLSID(), "Error loading %s\n%s", filein, m_image.GetLastError());
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}
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m_height = m_image.GetHeight();
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m_width = m_image.GetWidth();
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return S_OK;
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}
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STDMETHODIMP CImageConvert::SaveAs(BSTR IMGPath)
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{
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if (m_height != m_image.GetHeight() ||
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m_width != m_image.GetWidth())
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{
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// mode 1 for fast (nearest pixel) method, or 2 for accurate (bicubic spline interpolation) method.
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if (!m_image.Resample(m_width, m_height, /*mode*/ 2))
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return myAtlReportError (GetObjectCLSID(), "Error resizing to w=%d, h=%d\n%s",
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m_height, m_width, m_image.GetLastError());
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}
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CString fileout(IMGPath);
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CString extout(FindExtension(fileout));
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extout.MakeLower();
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int typeout = FindFormat(extout);
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if (typeout == CXIMAGE_FORMAT_UNKNOWN) {
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return myAtlReportError (GetObjectCLSID(), "Unknown extension saving %s", fileout);
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}
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if (!m_image.Save(fileout,typeout)){
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return myAtlReportError (GetObjectCLSID(), "Error saving %s\n%s", fileout, m_image.GetLastError());
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}
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return S_OK;
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}
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STDMETHODIMP CImageConvert::get_Height(LONG* pVal)
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{
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*pVal = m_height;
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return S_OK;
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}
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STDMETHODIMP CImageConvert::put_Height(LONG newVal)
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{
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m_height = newVal;
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return S_OK;
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}
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STDMETHODIMP CImageConvert::get_Width(LONG* pVal)
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{
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*pVal = m_width;
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return S_OK;
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}
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STDMETHODIMP CImageConvert::put_Width(LONG newVal)
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{
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m_width = newVal;
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return S_OK;
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}
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67
SlnkDWFCom/ImageConvert.h
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67
SlnkDWFCom/ImageConvert.h
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@@ -0,0 +1,67 @@
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// ImageConvert.h : Declaration of the CImageConvert
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#pragma once
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#include "resource.h" // main symbols
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#include "SLNKDWF.h"
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#include "CxImage\CxImage\ximage.h"
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#if defined(_WIN32_WCE) && !defined(_CE_DCOM) && !defined(_CE_ALLOW_SINGLE_THREADED_OBJECTS_IN_MTA)
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#error "Single-threaded COM objects are not properly supported on Windows CE platform, such as the Windows Mobile platforms that do not include full DCOM support. Define _CE_ALLOW_SINGLE_THREADED_OBJECTS_IN_MTA to force ATL to support creating single-thread COM object's and allow use of it's single-threaded COM object implementations. The threading model in your rgs file was set to 'Free' as that is the only threading model supported in non DCOM Windows CE platforms."
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#endif
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// CImageConvert
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class ATL_NO_VTABLE CImageConvert :
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public CComObjectRootEx<CComSingleThreadModel>,
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public CComCoClass<CImageConvert, &CLSID_ImageConvert>,
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public ISupportErrorInfo,
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public IDispatchImpl<IImageConvert, &IID_IImageConvert, &LIBID_SLNKDWFLib, /*wMajor =*/ 1, /*wMinor =*/ 0>
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{
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public:
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CImageConvert()
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{
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}
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DECLARE_REGISTRY_RESOURCEID(IDR_IMAGECONVERT)
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BEGIN_COM_MAP(CImageConvert)
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COM_INTERFACE_ENTRY(IImageConvert)
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COM_INTERFACE_ENTRY(IDispatch)
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COM_INTERFACE_ENTRY(ISupportErrorInfo)
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END_COM_MAP()
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// ISupportsErrorInfo
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STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid);
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DECLARE_PROTECT_FINAL_CONSTRUCT()
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HRESULT FinalConstruct()
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{
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return S_OK;
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}
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void FinalRelease()
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{
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}
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private:
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CxImage m_image;
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int m_width;
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int m_height;
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public:
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STDMETHOD(Open)(BSTR IMGPath);
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STDMETHOD(SaveAs)(BSTR IMGPath);
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STDMETHOD(get_Height)(LONG* pVal);
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STDMETHOD(put_Height)(LONG newVal);
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STDMETHOD(get_Width)(LONG* pVal);
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STDMETHOD(put_Width)(LONG newVal);
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};
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OBJECT_ENTRY_AUTO(__uuidof(ImageConvert), CImageConvert)
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26
SlnkDWFCom/ImageConvert.rgs
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26
SlnkDWFCom/ImageConvert.rgs
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@@ -0,0 +1,26 @@
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HKCR
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{
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SLNKDWF.ImageConvert.1 = s 'ImageConvert Class'
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{
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CLSID = s '{03B0F69B-ABBF-480E-9875-D85598BFBE44}'
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}
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SLNKDWF.ImageConvert = s 'ImageConvert Class'
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{
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CLSID = s '{03B0F69B-ABBF-480E-9875-D85598BFBE44}'
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CurVer = s 'SLNKDWF.ImageConvert.1'
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}
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NoRemove CLSID
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{
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ForceRemove {03B0F69B-ABBF-480E-9875-D85598BFBE44} = s 'ImageConvert Class'
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{
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ProgID = s 'SLNKDWF.ImageConvert.1'
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VersionIndependentProgID = s 'SLNKDWF.ImageConvert'
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ForceRemove 'Programmable'
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InprocServer32 = s '%MODULE%'
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{
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val ThreadingModel = s 'Apartment'
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}
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'TypeLib' = s '{B6FCDE6E-141C-4601-B3AC-4DF4D5F25DF8}'
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}
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}
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}
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