mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-11-10 17:29:10 +00:00
133 lines
3.2 KiB
C++
133 lines
3.2 KiB
C++
// PictureHlp.cpp: implementation of the CPictureHlp class.
|
|
//
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
#include "stdafx.h"
|
|
#include "nel_launcher.h"
|
|
#include "PictureHlp.h"
|
|
|
|
#ifdef _DEBUG
|
|
#undef THIS_FILE
|
|
static char THIS_FILE[]=__FILE__;
|
|
#define new DEBUG_NEW
|
|
#endif
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
// Construction/Destruction
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
CPictureHlp::CPictureHlp()
|
|
{
|
|
m_pPicture = NULL;
|
|
}
|
|
|
|
CPictureHlp::~CPictureHlp()
|
|
{
|
|
if(m_pPicture)
|
|
{
|
|
m_pPicture->Release();
|
|
m_pPicture = NULL;
|
|
}
|
|
}
|
|
|
|
void CPictureHlp::LoadPictureFile(LPCTSTR szFile)
|
|
{
|
|
// open file
|
|
HANDLE hFile = CreateFile(szFile, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
|
|
|
|
if(!hFile)
|
|
{
|
|
CString csMsg = "Cannot load picture file ";
|
|
|
|
AfxMessageBox(csMsg + " " + szFile + "!");
|
|
return;
|
|
}
|
|
|
|
// get file size
|
|
DWORD dwFileSize = GetFileSize(hFile, NULL);
|
|
|
|
LPVOID pvData = NULL;
|
|
// alloc memory based on file size
|
|
HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE, dwFileSize);
|
|
|
|
pvData = GlobalLock(hGlobal);
|
|
|
|
DWORD dwBytesRead = 0;
|
|
// read file and store in global memory
|
|
BOOL bRead = ReadFile(hFile, pvData, dwFileSize, &dwBytesRead, NULL);
|
|
GlobalUnlock(hGlobal);
|
|
CloseHandle(hFile);
|
|
|
|
LPSTREAM pstm = NULL;
|
|
// create IStream* from global memory
|
|
HRESULT hr = CreateStreamOnHGlobal(hGlobal, TRUE, &pstm);
|
|
|
|
// Create IPicture from image file
|
|
if(m_pPicture)
|
|
m_pPicture->Release();
|
|
|
|
hr = ::OleLoadPicture(pstm, dwFileSize, FALSE, IID_IPicture, (LPVOID *)&m_pPicture);
|
|
pstm->Release();
|
|
}
|
|
|
|
void CPictureHlp::LoadPicture(int iID)
|
|
{
|
|
// Loading the resource
|
|
HINSTANCE hInst = AfxGetInstanceHandle();
|
|
HRSRC hmdbFile = ::FindResource(hInst, MAKEINTRESOURCE(iID), "PICTURE_RESOURCE");
|
|
if(!hmdbFile)
|
|
{
|
|
AfxMessageBox("FindResource failed");
|
|
return;
|
|
}
|
|
HGLOBAL hRes = ::LoadResource(hInst, hmdbFile);
|
|
|
|
if(hRes)
|
|
{
|
|
DWORD dwResSize = ::SizeofResource(hInst, hmdbFile);
|
|
UINT FAR* lpnRes = (UINT FAR*)::LockResource(hRes);
|
|
|
|
LPVOID pvData = NULL;
|
|
// alloc memory based on file size
|
|
HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE, dwResSize);
|
|
|
|
pvData = GlobalLock(hGlobal);
|
|
memcpy(pvData, lpnRes, dwResSize);
|
|
GlobalUnlock(hGlobal);
|
|
|
|
LPSTREAM pstm = NULL;
|
|
// create IStream* from global memory
|
|
HRESULT hr = CreateStreamOnHGlobal(hGlobal, TRUE, &pstm);
|
|
|
|
// Create IPicture from image file
|
|
if(m_pPicture)
|
|
m_pPicture->Release();
|
|
|
|
hr = ::OleLoadPicture(pstm, dwResSize, FALSE, IID_IPicture, (LPVOID *)&m_pPicture);
|
|
pstm->Release();
|
|
|
|
::FreeResource(hRes);
|
|
}
|
|
else
|
|
AfxMessageBox("LoadResource failed");
|
|
}
|
|
|
|
void CPictureHlp::Display(CDC& dc, CRect& r, int iXdest, int iYdest)
|
|
{
|
|
if(m_pPicture)
|
|
{
|
|
// get width and height of picture
|
|
long hmWidth, hmHeight;
|
|
int nWidth, nHeight;
|
|
|
|
m_pPicture->get_Width(&hmWidth);
|
|
m_pPicture->get_Height(&hmHeight);
|
|
|
|
// convert himetric to pixels
|
|
nWidth = MulDiv(hmWidth, GetDeviceCaps(dc.m_hDC, LOGPIXELSX), HIMETRIC_INCH);
|
|
nHeight = MulDiv(hmHeight, GetDeviceCaps(dc.m_hDC, LOGPIXELSY), HIMETRIC_INCH);
|
|
|
|
// display picture using IPicture::Render
|
|
m_pPicture->Render(dc.m_hDC, iXdest, iYdest, nWidth, nHeight, 0, hmHeight, hmWidth, -hmHeight, &r);
|
|
}
|
|
}
|