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class image
{
private:
ULONG_PTR m_gdiplusToken;
Gdiplus::GdiplusStartupInput gdiplusStartupInput;
HDC hdcimage=CreateCompatibleDC(NULL);
HGDIOBJ PreviousBitmap=NULL;
HBITMAP CurrentBitmap=NULL;
Image *img;
bool isimgused=false;
bool isGDIPLUSIniciated=false;
int imageheight=0;
int imageweight=0;
int framecount=0;
int intSelectFrame=0;
int framedelay=0;
string strfilename="";
Gdiplus::Color clrBackColor=Gdiplus::Color::Transparent;
HDC hdcwindow;
bool blnTransparent=true;
void readimagefile(string filename)
{
if (isimgused==true)
delete img;
strfilename=filename;
if(toupper(filename[filename.size()-3])=='C' && toupper(filename[filename.size()-2])=='U' && toupper(filename[filename.size()-1])=='R')
{
isimgused=false;
//create the transparent icon handle
HCURSOR hicon = (HCURSOR)LoadImage(NULL, filename.c_str(), IMAGE_CURSOR, imageweight, imageheight, LR_LOADFROMFILE|LR_SHARED|LR_DEFAULTSIZE|LR_LOADTRANSPARENT);
ICONINFO ii;
BOOL fResult = GetIconInfo(hicon, &ii);
if (fResult)
{
BITMAP bm;
fResult = GetObject(ii.hbmMask, sizeof(bm), &bm) == sizeof(bm);
if (fResult)
{
imageweight= bm.bmWidth;
imageheight= ii.hbmColor ? bm.bmHeight : bm.bmHeight / 2;
}
if (ii.hbmMask) DeleteObject(ii.hbmMask);
if (ii.hbmColor) DeleteObject(ii.hbmColor);
}
CurrentBitmap=CreateBitmap(imageweight,imageheight,1,32,NULL);//create the bitmap with icon size
PreviousBitmap = SelectObject(hdcimage, CurrentBitmap);//add the bitmap to memory DC
DrawIconEx(hdcimage,0,0,hicon,imageweight,imageheight,0,0,DI_NORMAL);//draw the icon to DC with right size
//seems the DrawIcon(), always, draw it with 32X32 size
framecount=1;
DestroyCursor(hicon);
}
else
{
isimgused=true;
Gdiplus::Image img2(towstring(filename).c_str());
imageweight=img2.GetWidth();
imageheight=img2.GetHeight();
CurrentBitmap=CreateBitmap(imageweight,imageheight,1,32,NULL);
PreviousBitmap = SelectObject(hdcimage, CurrentBitmap);
Gdiplus::Graphics graphics(hdcimage);
graphics.DrawImage(&img2, 0,0,imageweight,imageheight);
UINT count = 0;
count = img2.GetFrameDimensionsCount();
GUID* pDimensionIDs = (GUID*)malloc(sizeof(GUID)*count);
img2.GetFrameDimensionsList(pDimensionIDs, count);
framecount=img2.GetFrameCount(&pDimensionIDs[0]);
framedelay =img2.GetPropertyItemSize(PropertyTagFrameDelay);
img=new Image(towstring(filename).c_str());
isimgused=true;
free(pDimensionIDs);
}
}
public:
image()
{
if (isimgused==true)
delete img;
isimgused=false;
if(isGDIPLUSIniciated==false)
{
Gdiplus::GdiplusStartup(&m_gdiplusToken, &gdiplusStartupInput, NULL);
isGDIPLUSIniciated=true;
}
CurrentBitmap=CreateCompatibleBitmap(hdcimage,1,1);
PreviousBitmap = SelectObject(hdcimage, CurrentBitmap);
imageheight=1;
imageweight=1;
}
image(HDC hdcWindow)
{
if (isimgused==true)
delete img;
isimgused=false;
if(isGDIPLUSIniciated==false)
{
Gdiplus::GdiplusStartup(&m_gdiplusToken, &gdiplusStartupInput, NULL);
isGDIPLUSIniciated=true;
}
hdcwindow=hdcWindow;
}
image(const int width, const int height)
{
if (isimgused==true)
delete img;
isimgused=false;
if(isGDIPLUSIniciated==false)
{
Gdiplus::GdiplusStartup(&m_gdiplusToken, &gdiplusStartupInput, NULL);
isGDIPLUSIniciated=true;
}
CurrentBitmap = CreateBitmap(width,height,1,32,NULL);
PreviousBitmap = SelectObject(hdcimage, CurrentBitmap);
framecount=1;
imageheight=height;
imageweight=width;
}
image( const string & filename)
{
if(isGDIPLUSIniciated==false)
{
Gdiplus::GdiplusStartup(&m_gdiplusToken, &gdiplusStartupInput, NULL);
isGDIPLUSIniciated=true;
}
readimagefile(filename);
}
image (const image &cSource)
{
if(isGDIPLUSIniciated==false)
{
Gdiplus::GdiplusStartup(&m_gdiplusToken, &gdiplusStartupInput, NULL);
isGDIPLUSIniciated=true;
}
readimagefile(cSource.strfilename);
BitBlt(hdcimage,0,0,imageweight,imageheight,cSource.hdcimage,0,0,SRCCOPY);
}
image& operator= (const image &cSource)
{
if(isGDIPLUSIniciated==false)
{
Gdiplus::GdiplusStartup(&m_gdiplusToken, &gdiplusStartupInput, NULL);
isGDIPLUSIniciated=true;
}
readimagefile(cSource.strfilename);
BitBlt(hdcimage,0,0,imageweight,imageheight,cSource.hdcimage,0,0,SRCCOPY);
return *this;
}
property<int> FramesCount
{
Get(int)
{
return framecount;
}
};
property<int> FrameDelay
{
Get(int)
{
return framedelay;
}
};
property<string> FileName
{
Get(string)
{
return strfilename;
},
Set(string filename)
{
readimagefile(filename);
}
};
property <int> SelectFrame
{
//get function
Get(int)
{
return intSelectFrame;
},
//set function
Set(int selectframe)
{
if(intSelectFrame<0)
intSelectFrame=0;
else if (intSelectFrame>=framecount)
intSelectFrame=framecount-1;
else
intSelectFrame=selectframe;
UINT count = 0;
count = img->GetFrameDimensionsCount();
GUID* pDimensionIDs = (GUID*)malloc(sizeof(GUID)*count);
img->GetFrameDimensionsList(pDimensionIDs, count);
img->SelectActiveFrame(&pDimensionIDs[0],intSelectFrame);
Gdiplus::Graphics graphics(hdcimage);
graphics.Clear(clrBackColor);
graphics.DrawImage(img, 0, 0, imageweight, imageheight);
free(pDimensionIDs);
}
};
~image()
{
if(isimgused==true)
delete img;
if(isGDIPLUSIniciated==true)
Gdiplus::GdiplusShutdown(m_gdiplusToken);
if(SelectObject(hdcimage, PreviousBitmap)==NULL)
MessageBox(NULL, "error", "SelectObject", MB_OK);
if(DeleteObject(CurrentBitmap)==FALSE)
MessageBox(NULL, "error", "DeleteObject", MB_OK);
if(DeleteDC(hdcimage)==FALSE)
MessageBox(NULL, "error", "DeleteDC", MB_OK);
}
};
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