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CPicture - The Yovav (Horror) PictureShow

, 18 Jun 2003 CPOL
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Routines for displaying image files (.BMP .DIB .EMF .GIF .ICO .JPG .WMF)

After many days of searching (and not finding) a way to load a JPG from a resource and show it on a dialog based application, I decided to take steps

So I created what I call a very simple and useful class, it can easily be implemented by adding it to a project, and you do not have to be a real JPEG freak and invent all header reading from the beginning (it uses the IPicture interface - same way as Internet Explorer does)

About The Project

I was little carried away with this "ACDSee alike" picture viewer, as it was not my main purpose - I did not have the time to make it "perfect", if you feel lucky and want to improve it here and there then please share it with me.

COPYFREE (F) - ALL RIGHTS FREE

class CPicture
{
public:
	void FreePictureData();
	BOOL Load(CString sFilePathName);
	BOOL Load(UINT ResourceName, LPCSTR ResourceType);
	BOOL LoadPictureData(BYTE* pBuffer, int nSize);
	BOOL SaveAsBitmap(CString sFilePathName);
	BOOL Show(CDC* pDC, CPoint LeftTop, CPoint WidthHeight, int MagnifyX,
                  int MagnifyY);
	BOOL Show(CDC* pDC, CRect DrawRect);
	BOOL ShowBitmapResource(CDC* pDC, const int BMPResource, 
                                CPoint LeftTop);
	BOOL UpdateSizeOnDC(CDC* pDC);

	CPicture();
	virtual ~CPicture();
        // Same As LPPICTURE (typedef IPicture __RPC_FAR *LPPICTURE)
	IPicture* m_IPicture; 
	// Height (In Pixels Ignor What Current Device Context Uses)
	LONG m_Height; 	     
        // Size Of The Image Object In Bytes (File OR Resource) 
        LONG m_Weight;	
        // Width (In Pixels Ignor What Current Device Context Uses)
         LONG m_Width;  
};
//~~~~~~~~~~~~~~~~~~~~~~~~~~Example & Usage 4 Dummies~~~~~~~~~~~~~~~~~~~~~~~~
//
//  U Need 2 Add "CPicture.CPP" and "CPicture.H" Into Your Project 
// (From FileView)
//  So U Will Get Control Over The Functions In This Class,
//  Then U Can Create a Picture Object And Show It On a Device Context
//
// Create a Picture Object (An Instance Of This Class)
//  CPicture m_Picture;  

// Make Sure U Include This Where U Gonna Create The Object...
//  #include "Picture.h" 
//  Load Picture Data Into The IPicture Interface 

(.BMP .DIB .EMF .GIF .ICO .JPG .WMF)
//  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

// Load From a File - Just Load It (Show Later)
//	m_Picture.Load("Test.JPG"); 
// Load From a Resource - Just Load It (Show Later)
//	m_Picture.Load(IDR_TEST, "JPG"); 

//  (U Must Include IDR_TEST In Your Resources Under a Custom Name, 4 
//   Example - "JPG")
//  
//  When Using DC Object On a *Dialog Based* Application (CPaintDC dc(this);)
//  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//	
// Get Picture Dimentions In Pixels
//      m_Picture.UpdateSizeOnDC(&dc); 
//	m_Picture.Show(&dc, CPoint(0,0), 
                       CPoint(m_Picture.m_Width, m_Picture.m_Height), 0,0);
//	
//      Change Original Dimentions
//      m_Picture.Show(&dc, CRect(0,0,100,100)); 

//      Show Bitmap Resource
//	m_Picture.ShowBitmapResource(&dc, IDB_TEST, CPoint(0,0)); 
//
//  OR When Using a Pointer On a "Regular" MFC Application (CDC* pDC)
//  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//	m_Picture.UpdateSizeOnDC(pDC); // Get Picture Dimentions In Pixels
//	m_Picture.Show(pDC, CPoint(0,0),  CPoint
//                     m_Picture.m_Width,m_Picture.m_Height), 0,0);
//      Change Original Dimentions
//	m_Picture.Show(pDC, CRect(0,0,100,100)); 
//      Show Bitmap Resource
//	m_Picture.ShowBitmapResource(pDC, IDB_TEST, CPoint(0,0)); 
//  Show Picture Information
//  ~~~~~~~~~~~~~~~~~~~~~~~~
//	CString S;
//	S.Format("Size = %4d\nWidth = %4d\nHeight = %4d\nWeight = %4d\n",
//	         m_Picture.m_Weight, m_Picture.m_Width, 
//               m_Picture.m_Height,  m_Picture.m_Weight);
//	AfxMessageBox(S);
//

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Yovav
President GadWorks
United States United States
Creator of GadWorks

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Comments and Discussions

 
GeneralMy vote of 4 Pin
galuo14-Sep-13 1:21
membergaluo14-Sep-13 1:21 
Questioncan any body encapsulates all this heap of code in one class usable with dialogbox control Pin
blackhack500015-Nov-10 20:05
memberblackhack500015-Nov-10 20:05 
Generalimage in case of dialog box apps Pin
Sadru1-Mar-09 21:29
memberSadru1-Mar-09 21:29 
QuestionHow to rotate ? Pin
hujunxi8-May-08 17:04
memberhujunxi8-May-08 17:04 
GeneralJust one word Pin
Demian Panello7-Jun-07 16:17
memberDemian Panello7-Jun-07 16:17 
GeneralThanks Pin
Kaworu221-Mar-06 23:34
memberKaworu221-Mar-06 23:34 
QuestionHow do i use it for IDC_STATIC control? Pin
etboite10-Nov-05 23:05
memberetboite10-Nov-05 23:05 
AnswerRe: How do i use it for IDC_STATIC control? Pin
K(arl)23-Feb-06 21:56
memberK(arl)23-Feb-06 21:56 
AnswerRe: How do i use it for IDC_STATIC control? Pin
serup18-Sep-08 4:52
memberserup18-Sep-08 4:52 
GeneralDisplaying big images (need ScrollBar) Pin
angel42018-Aug-05 14:27
memberangel42018-Aug-05 14:27 
QuestionPixel value ? Pin
angel42017-Aug-05 14:42
memberangel42017-Aug-05 14:42 
AnswerRe: Pixel value ? Pin
Christian Graus17-Aug-05 15:39
memberChristian Graus17-Aug-05 15:39 
GeneralRe: Pixel value ? Pin
angel42018-Aug-05 14:01
memberangel42018-Aug-05 14:01 
GeneralNice Class Pin
ThatsAlok8-Jun-05 20:05
memberThatsAlok8-Jun-05 20:05 
GeneralCPicture to HBITMAP Pin
naragana23-May-05 16:36
membernaragana23-May-05 16:36 
GeneralRe: CPicture to HBITMAP Pin
ThatsAlok20-Jun-05 1:46
memberThatsAlok20-Jun-05 1:46 
Generalbug in CPictureShowDoc::CreateFilesList Pin
shay cohen4-Apr-05 23:22
sussshay cohen4-Apr-05 23:22 
GeneralHelp!!!!! Pin
subbuviv31-Mar-05 0:24
membersubbuviv31-Mar-05 0:24 
Generalchange pictures in Dialog Pin
olis7-Feb-05 5:31
memberolis7-Feb-05 5:31 
GeneralRotating an Image Pin
Alex Evans3-Jan-05 17:42
memberAlex Evans3-Jan-05 17:42 
GeneralRe: Rotating an Image Pin
EinsteinJ26-Sep-05 0:53
memberEinsteinJ26-Sep-05 0:53 
GeneralLoading a picture from an ftp site Pin
rgarf3-Sep-04 4:48
memberrgarf3-Sep-04 4:48 
Generalproblem in image compression in database Pin
KRANTHI KUMAR KUKKALA31-Aug-04 4:45
memberKRANTHI KUMAR KUKKALA31-Aug-04 4:45 
Questionhow to get image data as pixels? Pin
sgorgulu23-Aug-04 4:15
membersgorgulu23-Aug-04 4:15 
Generalhelloo sir one problem Pin
ThatsAlok17-Jul-04 1:52
memberThatsAlok17-Jul-04 1:52 

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