Image Slider Style - CodeProject

Introduction

I had written a program like PowerPoint, which needed some code for image slide show. In this demo project I implemented 20 transitional effects.

Using the code

To use the code just add ShowStyle.cpp and ShowStyle.h to your project. Then call MagicShow function to slide-show image.

bool MagicShow( HDC hSrcDC , int x , int y , HDC hDestDC , 
    int xd , int yd , int width , int height , 
    int iDelay, int iStep, int iStyle  );

Parameter	Type	Description
`hSrcDC`	`HDC`	Handle to the source device context
`x`	`int`	Specifies the logical x-coordinate of the upper-left corner of the source rectangle
`y`	`int`	Specifies the logical y-coordinate of the upper-left corner of the source rectangle
`hDestDC`	`HDC`	Handle to the destination device context
`xd`	`int`	Specifies the logical x-coordinate of the upper-left corner of the destination rectangle
`yd`	`int`	Specifies the logical y-coordinate of the upper-left corner of the destination rectangle
`width`	`int`	Specifies the logical width of the source and destination rectangles
`height`	`int`	Specifies the logical width of the source and destination rectangles
`iDelay`	`int`	The delay time per step
`iStep`	`int`	Different for every style
`iStyle`	`int`	Slide style

Visit this link for my other Win32 software.

History

Date Posted: 03-03-2003

Copyright

The code is free, if you want to change the source code in order to improve the features, performance, etc., please send me the new source code so that I can have a look at it. The changed source code should contain descriptions of what you have changed, and of course your name. The only thing you MAY NOT CHANGE is the ORIGINAL COPYRIGHT INFORMATION.

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

About the Author

jedyking

China

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distorting the image

JJD

18:11 7 Feb '05

hi there, i hv jus used ur code in my own appl and find that it distorts the image while applying the effects.
I hv written the foll code in OnDraw()
if(m_bEffects1)
{
CDC dc;
dc.CreateCompatibleDC(pDC);

CRect rc;
GetClientRect(rc);

CBitmap* pBitmap = new CBitmap();
if(pBitmap)
{
pBitmap->CreateCompatibleBitmap(pDC,rc.Width(), rc.Height());

CBitmap* pOldBitmap = (CBitmap*)dc.SelectObject(pBitmap);

MagicShow(dc.m_hDC,0,0,pDC->m_hDC,0,0,rc.Width(),rc.Height(),1,20,rand()%20);

dc.SelectObject( pOldBitmap );
}
}

is there something that iam not doin right? pls let me know, thx...

Re: distorting the image

John Simmons / outlaw programmer

2:48 7 Oct '05

In the name of all that is f***ing holy, type complete words.

------- sig starts

"I've heard some drivers saying, 'We're going too fast here...'. If you're not here to race, go the hell home - don't come here and grumble about going too fast. Why don't you tie a kerosene rag around your ankles so the ants won't climb up and eat your candy ass..." - Dale Earnhardt

"...the staggering layers of obscenity in your statement make it a work of art on so many levels." - Jason Jystad, 10/26/2001

problem with closing

glowas

6:27 2 Jun '03

Hi, Just wanted to ask you if you know that when you close Effect Demo application in the time when the transition is drawing, the application's proocess is left running. You can see it in task manager. I saw you use PeakMessage. But somhow this is not working well. Is this problem happening only for me? How can that be fixed? glowas
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read image from jpg

glowas

10:50 15 May '03

Is it posible to read jpg file and throw it through MemDC to your MagicShow function? I tried , but I am getting only empty window TIA
Sign In·View Thread·Permalink	1.00/5 (1 vote)

Nice Try!

Chopper

3:49 4 Mar '03

Nobody can resist the charm of Kylie Minogue Is that how you were going to gain popularity of your article? About "AppSpeed": Your demo eats CPU by 100% like hell!!! So, you will have to "Improve your software development" Regards, Real fan of Kylie Minogue: www.kylie.com Professional tooltips for all development platforms Free on www.Tooltips.NET
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Re: Nice Try!

jedyking

5:20 4 Mar '03

How humour you are , that's just a demo program ============================================== SkinMagic SDK Library for C/C++ The better solution for write skinnable application http://www.appspeed.com ==============================================
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Re: Nice Try!

John Simmons / outlaw programmer

2:46 7 Oct '05

"Just a demo" != "can be crap"...

------- sig starts

"I've heard some drivers saying, 'We're going too fast here...'. If you're not here to race, go the hell home - don't come here and grumble about going too fast. Why don't you tie a kerosene rag around your ankles so the ants won't climb up and eat your candy ass..." - Dale Earnhardt

"...the staggering layers of obscenity in your statement make it a work of art on so many levels." - Jason Jystad, 10/26/2001

Re: Nice Try!

Norm Almond

9:16 4 Mar '03

LOL! Yep! this one stinks
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I assume you mean

Gary Wheeler

3:24 4 Mar '03

Transitional, instead of transactional. Software Zen: `delete this;`
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Re: I assume you mean

jedyking

5:10 4 Mar '03

Oh, It's my mistake Thank U! ============================================== SkinMagic SDK Library for C/C++ The better solution for write skinnable application http://www.appspeed.com ==============================================
Sign In·View Thread·Permalink	2.00/5 (1 vote)

I don't think so

xuell00

20:46 3 Mar '03

The code is very easy to follow and explain itself very well. One suggestion: you may avoid using Timer. Good Job!
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Really cool, but....

Christian Graus

9:37 3 Mar '03

This article has the potential to be something REALLY cool. The reason it's been voted down so far, IMO, is the lack of content. That is to say, I'd love to see some article text explaining how the code actually works. Sure, a lot of people are likely to use this code, without looking at it too much, but this is a developer site, and articles should present information for those who would like to know what's going on 'under the hood'.

The article would also look a lot better if you included a few 'between transition' pictures so people can see what it actually does.

Having said that, well done on the code, I was really impressed. Some of them seem to leave artefacts behind, but I'm sure that's not hard to fix.

One last niggle - that image you used is copyrighted. You may want to use an image that is public domain.

I've not voted yet, because I'd like to give this a 5, and I think with some work on the article text, a lot of other people will also do the same.

Christian

NO MATTER HOW MUCH BIG IS THE WORD SIZE ,THE DATA MUCT BE TRANSPORTED INTO THE CPU. - Vinod Sharma

Re: Really cool, but....

Marc Clifton

11:23 3 Mar '03

I agree, this could be an interesting topic. But given the code (see sample below) I can see why it's not discussed.

It gets a 1 from me.

bool MagicFun1( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun2( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun3( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun4( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun5( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun6( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun7( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun8( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun9( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun10( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun11( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun12( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun13( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun14( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun15( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun16( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun17( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun18( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun19( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
bool MagicFun20( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
 
typedef bool (*LPMAGICFUNCTION)( HDC hSrcDC , int x , int y , HDC hDestDC , int xd , int yd , int width , int height , int nDelay, int nStep);
 
LPMAGICFUNCTION MagicFuns[ MAGIC_STYLE_NUM ]=
{
	MagicFun1,
	MagicFun2,
	MagicFun3,
	MagicFun4,
	MagicFun5,
	MagicFun6,
	MagicFun7,
	MagicFun8,
	MagicFun9,
	MagicFun10,
	MagicFun11,
	MagicFun12,
	MagicFun13,
	MagicFun14,
	MagicFun15,
	MagicFun16,
	MagicFun17,
	MagicFun18,
	MagicFun19,
	MagicFun20
};

Help! I'm an AI running around in someone's f*cked up universe simulator.
Sensitivity and ethnic diversity means celebrating difference, not hiding from it. - Christian Graus
Every line of code is a liability - Taka Muraoka
Microsoft deliberately adds arbitrary layers of complexity to make it difficult to deliver Windows features on non-Windows platforms--Microsoft's "Halloween files"

Re: Really cool, but....

Christian Graus

12:13 3 Mar '03

Yeah, gotta love those descriptive function names. Christian NO MATTER HOW MUCH BIG IS THE WORD SIZE ,THE DATA MUCT BE TRANSPORTED INTO THE CPU. - Vinod Sharma
Sign In·View Thread·Permalink	1.00/5 (1 vote)