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CSplashScreenEx: A Non Rectangular Splash Screen Class with Alpha Blending

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1 Oct 20023 min read 393.2K   12.5K   194   153
CSplashScreenEx allows to display a non rectangular bitmap with information about the init of your app

Sample Image - SplashScreenEx.jpg

Introduction

A little time ago, I was looking for a Splash Screen class which would allow me to display a non rectangular bitmap without masking the background. Since I didn't find a class that matched my needs, I developed my own Splash Screen class: CSplashScreenEx.

Compatibility

This class needs MFC to be either statically or dynamically linked in your project; it has been written, compiled and tested under Visual Studio .NET (but should work well with VC6).

How to Use the Class

The class is very easy to use: Just add SplashScreenEx.h and SplashScreenEx.cpp into your project, then include SplashScreenEx.h into your application. To display the splash screen, just include these lines in your OnInitDialog() function:

C++
CSplashScreenEx *pSplash=new CSplashScreenEx();
pSplash->Create(this,NULL,2000,CSS_FADE | CSS_CENTERSCREEN | CSS_SHADOW);
pSplash->SetBitmap(IDB_SPLASH,255,0,255);
pSplash->Show();

And that's it, the splash screen appears for 2000 ms and then disappears and frees the memory allocated.

Important note: The class must be allocated on the heap since it is automatically destroyed when it disappears.

C++
CSplashScreenEx *pSplash=new CSplashScreenEx()

The splash screen can also be used to display the loading progression of your app, as seen in the Sample number 2:

C++
CSplashScreenEx *pSplash=new CSplashScreenEx();
pSplash->Create(this,"CSplashScreenEx dynamic text:",0,CSS_FADE | 
                        CSS_CENTERSCREEN | CSS_SHADOW);
pSplash->SetBitmap(IDB_SPLASH,255,0,255);
pSplash->SetTextFont("Impact",100,CSS_TEXT_NORMAL);
pSplash->SetTextRect(CRect(125,60,291,104));
pSplash->SetTextColor(RGB(255,255,255));
pSplash->SetTextFormat(DT_SINGLELINE | DT_CENTER | DT_VCENTER);
pSplash->Show();

Sleep(1000);
pSplash->SetText("You can display infos");

Sleep(1000);
pSplash->SetText("While your app is loading");

Sleep(1000);
pSplash->SetText("Just call Hide() when loading");
	
Sleep(1000);
pSplash->SetText("is finished");
Sleep(1500);

pSplash->Hide();

Class Documentation

CSplashScreenEx::Create

C++
BOOL Create(CWnd *pWndParent,LPCTSTR szText=NULL,DWORD dwTimeout=2000,
DWORD dwStyle=CSS_FADE | CSS_CENTERSCREEN | CSS_SHADOW);

Create the Splash Screen which stays hidden until Show() is called.

Arguments

  • pWndParent: The parent window (this)
  • szText: The text displayed in your splash screen
  • dwTimeout: The time in milliseconds before the splash screen disappears. If 0, the splash screen stays forever :)
  • dwStyle: Can be a combination of the following values:
    • CSS_FADEIN : Fade In animation while appearing
    • CSS_FADEOOUT: Fade Out animation while disappearing
    • CSS_FADE=CSS_FADEIN | CSS_FADEOUT : Fade in + Fade out
    • CSS_SHADOW : Displays a shadow under the splash screen
    • CSS_CENTERSCREEN : The splash screen is centered on the screen
    • CSS_CENTERAPP: The splash screen is centered on the parent window
    • CSS_HIDEONCLICK: The splash screen disappears and is destroyed when a key is pressed or it is clicked with the mouse

CSplashScreenEx::SetBitmap

C++
BOOL SetBitmap(UINT nBitmapID,short red=-1,short green=-1,short blue=-1);

BOOL SetBitmap(LPCTSTR szFileName,short red=-1,short green=-1,short blue=-1);

Associate the splash screen with a bitmap.

Arguments

  • nBitmapId: Resource ID for the bitmap
  • szFileName: Path for the bitmap on the hard drive
  • red,green,blue: Transparency color for the bitmap (RGB color). Set these to -1 to disable bitmap transparency

CSplashScreenEx::Show

C++
void Show();

Show the splash screen.

CSplashScreenEx::Hide

C++
void Hide();

Hide and destroy the splash screen.

CSplashScreenEx::SetText

C++
void SetText(LPCTSTR szText);

Change the text displayed in the splash screen.

CSplashScreenEx::SetTextFont

C++
void SetTextFont(LPCTSTR szFont,int nSize,int nStyle);

Change the Font of the text.

Arguments

nStyle can be one or a combination of the following values:

  • CSS_TEXT_NORMAL
  • CSS_TEXT_BOLD
  • CSS_TEXT_ITALIC
  • CSS_TEXT_UNDERLINE

CSplashScreenEx::SetTextDefaultFont

C++
void SetTextDefaultFont();

Set the system default font for the text displayed in the splash screen

CSplashScreenEx::SetTextColor

C++
void SetTextColor(COLORREF crTextColor);

Change the text color.

CSplashScreenEx::SetTextRect

C++
void SetTextRect(CRect& rcText);

Change the text rect boundaries.

CSplashScreenEx::SetTextFormat

C++
void SetTextFormat(UINT uTextFormat);

Change the text format; see the DrawText function in the MSDN for the different values (default is DT_CENTER | DT_VCENTER | DT_WORDBREAK).

Technical Issues

When SetBitmap() is called, if a transparency color has been specified, a GDI region is generated (thanks to Davide Pizzolato code) and this region is applied to the splash screen window (SetWindowRgn(...)). Thanks to this, the window is not anymore rectangular. The rest of the code is basic stuff, in the WM_PAINT handler, the background bitmap is blit on the window. Please refer to the code for more details about the implementation.

Conclusion

I hope this class will be useful to you, if you find any memory or GDI leaks or if you have suggestions to enhance this class, please post a comment. If you use this class in a freeware, shareware or commercial app, please let me know, I'll be happy :)

License

This article has no explicit license attached to it, but may contain usage terms in the article text or the download files themselves. If in doubt, please contact the author via the discussion board below.

A list of licenses authors might use can be found here.


Written By
Web Developer
United States United States
I live in Santa Clara CA and work as a software engineer for SAP Business Objects.

My areas of expertise are user interface developments in Eclipse RCP / SWT / Draw 2D and C#

Comments and Discussions

 
NewsThis is the PNG version. BMP is too slow.... Pin
Jason.LYJ20-Aug-17 22:40
professionalJason.LYJ20-Aug-17 22:40 
QuestionLicense Pin
eric benhamou14-May-13 5:14
eric benhamou14-May-13 5:14 
GeneralI got the transparency working on Aero Pin
Gernot Frisch11-Jan-11 7:16
Gernot Frisch11-Jan-11 7:16 
GeneralRe: I got the transparency working on Aero Pin
tianshiwokao26-Oct-11 21:11
tianshiwokao26-Oct-11 21:11 
GeneralRe: I got the transparency working on Aero Pin
Jason.LYJ21-Aug-17 0:08
professionalJason.LYJ21-Aug-17 0:08 
QuestionVS2008 Unicode MDI gives assert Pin
Divya Rathore25-Aug-08 16:34
Divya Rathore25-Aug-08 16:34 
Questionhow to show splash screen during loading dlls? Pin
yph2004010727-Nov-07 15:04
yph2004010727-Nov-07 15:04 
QuestionProbably a bug? Pin
min_2_max16-Aug-07 16:01
min_2_max16-Aug-07 16:01 
General(Small ?) Problem on Windows Vista [modified] Pin
Fran-No8-Aug-07 5:39
Fran-No8-Aug-07 5:39 
GeneralRe: (Small ?) Problem on Windows Vista Pin
Fran-No10-Aug-07 0:30
Fran-No10-Aug-07 0:30 
GeneralRe: (Small ?) Problem on Windows Vista Pin
Fran-No30-Aug-07 2:25
Fran-No30-Aug-07 2:25 
GeneralRe: (Small ?) Problem on Windows Vista Pin
kelvin_gl13-Jan-08 21:10
kelvin_gl13-Jan-08 21:10 
GeneralRe: (Small ?) Problem on Windows Vista Pin
Fran-No14-Jan-08 0:20
Fran-No14-Jan-08 0:20 
GeneralPixel format Generic Implementation only Pin
mitesh velani20-Sep-06 16:11
mitesh velani20-Sep-06 16:11 
QuestionSetWindowPos() in Show() causes problem Pin
bitkidoku21-Dec-05 5:09
bitkidoku21-Dec-05 5:09 
GeneralImprovement: Multiple Text Fields Pin
Michael Stammberger17-Nov-05 12:37
Michael Stammberger17-Nov-05 12:37 
GeneralRe: Improvement: Multiple Text Fields Pin
min_2_max16-Aug-07 16:16
min_2_max16-Aug-07 16:16 
GeneralRe: Improvement: Multiple Text Fields Pin
min_2_max16-Aug-07 16:25
min_2_max16-Aug-07 16:25 
GeneralRe: Improvement: Multiple Text Fields Pin
Michael Stammberger16-Aug-07 21:01
Michael Stammberger16-Aug-07 21:01 
GeneralGreat work Pin
jefflewis19-Sep-05 1:59
jefflewis19-Sep-05 1:59 
GeneralSound Pin
sicks21-Jul-05 11:22
sicks21-Jul-05 11:22 
GeneralSome errors when using in UNICODE project Pin
bitmensch15-Jul-05 1:59
bitmensch15-Jul-05 1:59 
QuestionHow to use the class in SDI or MDI project? Pin
sibang jang11-Jul-05 16:30
sibang jang11-Jul-05 16:30 
AnswerRe: How to use the class in SDI or MDI project? Pin
sibang jang11-Jul-05 17:38
sibang jang11-Jul-05 17:38 
QuestionWhy parent window is needed? Pin
Yogurt23-Jun-05 9:47
Yogurt23-Jun-05 9:47 

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