Anonymous

#include "PhotoBox.h"
#include "PhotoStrip.h"

PhotoStrip::PhotoStrip(PhotoBox *pBox)
{
	mpBox = pBox;
	mdxCurrPhoto = 0;
	mNumPhotos = 0;
	mpPhotoSurface = NULL;

	Uint32 rmask, gmask, bmask, amask;
	#if SDL_BYTEORDER == SDL_BIG_ENDIAN

		rmask = 0x00ff0000;
		gmask = 0x0000ff00;
		bmask = 0xff000000;
		amask = 0x000000ff;
	#else
		rmask = 0x00ff0000;
	    gmask = 0x0000ff00;
	    bmask = 0x000000ff;
		amask = 0xff000000;
	#endif
	
	_mpTween = new Tween(0.0, 100.0, 700);
	
}
PhotoStrip::~PhotoStrip()
{

}


bool PhotoStrip::Init()
{

	mNumPhotos = GetPhotosFromDir(".\\", mPhotos);
	NextPhoto();
	return (true);
}

int PhotoStrip::GetPhotosFromDir(std::string fromDir, std::vector<Photo> &resultList)
{
	StringList list;
	String tmp;
	int n_found = 0;
	
	File *p_file	= new File(fromDir) ;
	list			= p_file->getFileList();

	// Walk through the found files, and extract
	// the .png images.
	for (unsigned i = 0; i < list.size(); i++) 
	{
		tmp = list[i];		
		File p_tmp_file = ".\\" +tmp;	

		if (p_tmp_file.getExtension() == "png")
		{
			struct Photo photo;
			photo.mFileName = tmp;
			photo.mX = 0;
			photo.mY = 0;
			photo.mWidth = 0;
			photo.mHeight = 0;
			resultList.push_back(photo);
			n_found++;
		}
	}
	return n_found;
}

/**
 * Show the next photo in the photo strip. 
 */
bool PhotoStrip::NextPhoto()
{
	int dx_new = 0;
	
	// No photos..
	if (mPhotos.size() <= 0)
		return (false);

	// First photo
	if (mdxCurrPhoto == 0)
		dx_new = 0;
	// Last photo
	if ( mdxCurrPhoto == (mPhotos.size()-1) || mpPhotoSurface == NULL)
		dx_new = 0; 
	else
		dx_new = ++mdxCurrPhoto;
	
	mdxCurrPhoto = dx_new;
	mCurrPhoto = mPhotos[mdxCurrPhoto];

	// Get the photo data (width / height) data is not used..
	if (!mpBox->GetPNGImageSize(mCurrPhoto.mFileName.c_str(), &mCurrPhoto.mWidth, &mCurrPhoto.mHeight))
		return (false);
	
	if (!LoadCurrPhotoOntoSurface())
		return (false);

	_mpTween->SetBegin(0);
	_mpTween->SetFinish(400);
	_mpTween->SetStartTime(this->mpBox->mpTimer->GetTime());
	return (true);
}
// Just load the current photo onto the photo surface.
bool PhotoStrip::LoadCurrPhotoOntoSurface()
{
	// Here we set the current photo. We need to following DLL files:
	// - jpeg.dll
	// - libpng12.dll
	// - libtiff.dll
	// - zlib1.dll
	SDL_RWops *rwop;
	rwop = SDL_RWFromFile(mCurrPhoto.mFileName.c_str(), "rb");
	mpPhotoSurface = IMG_LoadPNG_RW(rwop);
	
	if (!mpPhotoSurface)
	{
		return (false);
	}
	return (true);
}
void PhotoStrip::RenderPhoto()
{
	if (!mpBox->mpScreen)	return ;
	// Draw the image to the screen
	SDL_Rect dstrect;
	
	//mpPhotoSurface->pixels = mpPhotoPixels;
	mCurrPhoto.mX += 2;
	int x = mCurrPhoto.mX;

	// show message
	/*
	String msg = "PhotoStrip::RenderPhoto() new x: ";
	char buf[10];
	itoa(x,buf, 10);
	msg.append(buf);
	mpBox->Debug(msg);
	*/
	String msg = "Timer: ";
	int time = mpBox->mpTimer->GetTime();
	struct TweenInfo ti = _mpTween->TweenLinear(this->mpBox->mpTimer->GetTime());
	time = ti.mPos;
	char buf[20];
	itoa(time, buf, 10);
	msg.append(buf);
	mpBox->Debug(msg);

	// tmp blit whole screen
	SDL_Rect rect;
	rect.x = 0;
	rect.y = 0;
	rect.w = 500;
	rect.h = 500;
	SDL_FillRect(mpBox->mpScreen,&rect, 0x00000000);
	// end tmp blit screen.

	//dstrect.x = (mpBox->mpScreen->w - mpPhotoSurface->w)/2 + ti.mPos;
	dstrect.x = ti.mPos;
	dstrect.y = (mpBox->mpScreen->h - mpPhotoSurface->h)/2;
	dstrect.w = mpPhotoSurface->w;
	dstrect.h = mpPhotoSurface->h;
	if ( SDL_BlitSurface(mpPhotoSurface, NULL, mpBox->mpScreen, &dstrect) < 0 ) {
	    SDL_FreeSurface(mpPhotoSurface);
	}
}