164 lines
5.7 KiB
C++
164 lines
5.7 KiB
C++
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/*************************************************************************/
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/* Copyright (C) 1999 Microsoft Corporation */
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/* File: MSMFImg.cpp */
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/* Description: Implementation of CMSMFImg Static Image class */
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/* Author: David Janecek */
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/*************************************************************************/
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#include "stdafx.h"
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#include "MSMFCnt.h"
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#include "MSMFImg.h"
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/////////////////////////////////////////////////////////////////////////////
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// CMSMFImg
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/*************************************************************************/
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/* Function: CMSMFImg */
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/*************************************************************************/
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CMSMFImg::CMSMFImg(){
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Init();
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}/* end of function CMSMFSldr */
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/*************************************************************************/
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/* Function: Init */
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/* Description: Initializes variable states. */
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/*************************************************************************/
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void CMSMFImg::Init(){
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m_blitType = DISABLE;
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m_clrBackColor = ::GetSysColor(COLOR_BTNFACE);
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#if 0 // used for getting the windowed case working DJ
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m_bWindowOnly = TRUE;
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#endif
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}/* end of function Init */
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/*************************************************************************/
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/* Function: ~CMSMFImg */
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/* Description: Cleanup the stuff we allocated here rest will be done */
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/* in the button destructor. */
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/*************************************************************************/
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CMSMFImg::~CMSMFImg(){
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//Init();
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ATLTRACE(TEXT("In the IMG Object destructor!\n"));
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}/* end of function CMSMFSldr */
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/*************************************************************************/
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/* Function: OnDraw */
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/* Description: Does the basic drawing */
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/* First draws the background the the thumb at the specific position. */
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/*************************************************************************/
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HRESULT CMSMFImg::OnDraw(ATL_DRAWINFO& di){
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HRESULT hr = S_OK;
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BOOL bRet = TRUE;
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HDC hdc = di.hdcDraw;
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RECT rcClient = *(RECT*)di.prcBounds;
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HPALETTE hNewPal = NULL;
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if (!m_BackBitmap.IsEmpty()){
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hNewPal = CBitmap::GetSuperPal();
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}
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else {
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hNewPal = m_BackBitmap.GetPal();
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}/* end of if statement */
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if (::IsWindow(m_hWnd)){ //in other words not windowless
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CBitmap::SelectRelizePalette(hdc, hNewPal);
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}/* end of if statement */
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// DRAW THE BACKGROUND
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if (!m_BackBitmap.IsEmpty()){
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bRet = m_BackBitmap.PaintTransparentDIB(hdc, &rcClient,
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&rcClient);
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}
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else {
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COLORREF clr;
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::OleTranslateColor (m_clrBackColor, CBitmap::GetSuperPal(), &clr);
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HBRUSH hbrBack = ::CreateSolidBrush(clr);
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if(NULL == hbrBack){
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hr = E_FAIL;
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return(hr);
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}/* end of if statement */
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::FillRect(hdc, &rcClient, hbrBack);
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::DeleteObject(hbrBack);
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}/* end of if statement */
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return (hr);
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}/* end of function OnDraw */
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/*************************************************************************/
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/* Function: OnDispChange */
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/* Description: Forwards this message to all the controls. */
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/*************************************************************************/
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LRESULT CMSMFImg::OnDispChange(UINT uMsg, WPARAM wParam, LPARAM lParam,
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BOOL& bHandled){
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LONG lRes =0;
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long cBitsPerPixel = (long) wParam;
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long cxScreen = LOWORD(lParam);
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long cyScreen = HIWORD(lParam);
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m_BackBitmap.OnDispChange(cBitsPerPixel, cxScreen, cyScreen);
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return(lRes);
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}/* end of function OnDispChange */
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/*************************************************************************/
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/* Function: PutImage */
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/* Description: Sets the image of the background. */
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/*************************************************************************/
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HRESULT CMSMFImg::PutImage(BSTR strFilename){
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HRESULT hr = S_OK;
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m_bstrBackFilename = strFilename;
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bool fGrayOut = false;
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hr = m_BackBitmap.PutImage(strFilename, m_hRes, FALSE, m_blitType,
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MAINTAIN_ASPECT_RATIO);
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if(FAILED(hr)){
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return(hr);
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}/* end of if statement */
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InvalidateRgn(); // our helper function
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return(hr);
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}/* end of function PutImage */
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/*************************************************************************/
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/* Function: get_Image */
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/*************************************************************************/
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STDMETHODIMP CMSMFImg::get_Image(BSTR *pstrFilename){
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*pstrFilename = m_bstrBackFilename.Copy();
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return S_OK;
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}/* end of function get_Image */
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/*************************************************************************/
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/* Function: put_Image */
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/*************************************************************************/
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STDMETHODIMP CMSMFImg::put_Image(BSTR strFilename){
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return (PutImage(strFilename));
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}/* end of function put_BackStatic */
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/*************************************************************************/
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/* End of file: MSMFImg.cpp */
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/*************************************************************************/
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