ScreenParams InitScreenParams()
{
ScreenParams params;
params.pixel_number = 80;
params.look_at = make_float3(LookAtX0, LookAtY0, LookAtZ0);
SetPixels(params);
SetLength(params);
return params;
}
cImage::cImage( const Uint8* data, const eeUint& Width, const eeUint& Height, const eeUint& Channels ) :
mPixels(NULL),
mWidth(Width),
mHeight(Height),
mChannels(Channels),
mSize(0),
mAvoidFree(false),
mLoadedFromStbi(false)
{
SetPixels( data );
}
cImage::cImage( cImage * image ) :
mPixels(NULL),
mWidth(image->mWidth),
mHeight(image->mHeight),
mChannels(image->mChannels),
mSize(image->mSize),
mAvoidFree(image->mAvoidFree),
mLoadedFromStbi(image->mLoadedFromStbi)
{
SetPixels( image->GetPixelsPtr() );
}
//------------------------------------------------------------------------------------
// Building the mipmap for a tile based image
//------------------------------------------------------------------------------------
bool Image::BuildTileMipMap( int NumCols, int NumRows )
{
BuildMipMaps();
int tW = m_iWidth / NumCols;
int tH = m_iHeight / NumRows;
int mipmapLevel = 1;
int maxmipmaplevel = 0;
u8* pTempData = KGE_NEW_ARRAY(u8, tW * tH * 4);
int t = 1, tth, ttw;
Image* imgTemp = KGE_NEW(Image)("Temp");
imgTemp->CreateImage(tW, tH, 1, 4, EIF_RGBA, 0);
int wi = m_iWidth;
while (wi > NumCols)
{
wi /= 2;
maxmipmaplevel++;
}
io::Logger::Log(io::ELM_Warning, "mmm = %d", maxmipmaplevel);
for ( int j = 0; j < maxmipmaplevel - 1; j++)
{
for (int y = 0; y < NumRows; y++)
{
for (int x = 0; x < NumCols; x++)
{
GetPixels(x * tW , y * tH, 1, tW, tH, 1, EIF_BGRA, pTempData);
imgTemp->SetData(pTempData);
t = math::pow(2, mipmapLevel);
ttw = tW / t;
tth = tH / t;
imgTemp->Scale(ttw, tth, 1);
SetPixels(x * ttw, y * tth, 1, ttw, tth, 1, EIF_BGRA,
imgTemp->GetData(), mipmapLevel);
} // for x
} // for y
mipmapLevel++;
} // for j
// TODO: Not tested
KGE_DELETE_ARRAY(pTempData);
KGE_DELETE(imgTemp, Image);
return true;
} // BuildTileMipMap
cImage &cImage::operator =(const cImage &right) {
mWidth = right.mWidth;
mHeight = right.mHeight;
mChannels = right.mChannels;
mSize = right.mSize;
mAvoidFree = right.mAvoidFree;
mLoadedFromStbi = right.mLoadedFromStbi;
ClearCache();
if ( NULL != right.mPixels ) {
SetPixels( right.mPixels );
}
return *this;
}
