C++ BitmapInfo::Width方法代码示例

//.........这里部分代码省略.........
    }

    // If the texture had bad info, assert and return the empty layer
    if( !bi || !bi->Name() || !strcmp(bi->Name(), "") )
    {
        if( upperLayer )
        {
            if( fErrorMsg->Set( !( fWarned & kWarnedNoUpperTexture ), "Plasma Export Error", sWarnNoUpperTexture, maxNode->GetName() ).CheckAskOrCancel() )
                fWarned |= kWarnedNoUpperTexture; 
            fErrorMsg->Set( false );

            delete plasmaLayer;
            return nil;
        }
        else
        {
            return (plLayerInterface *)plasmaLayer;
        }
    }

    // Setup the texture creation parameters
    plBitmapData bd;
    bd.fileName = bi->Name();

    // Create texture and add it to list if unique
    int32_t texFlags = 0;//hsGTexture::kMipMap;

    // Texture Alpha/Color
    if( bitmapPB->GetInt( kBmpInvertColor ) )
        plasmaLayer->SetBlendFlags( plasmaLayer->GetBlendFlags() | hsGMatState::kBlendInvertColor );
    if( bitmapPB->GetInt( kBmpDiscardColor ) )
        plasmaLayer->SetBlendFlags( plasmaLayer->GetBlendFlags() | hsGMatState::kBlendNoTexColor );
    if( bitmapPB->GetInt( kBmpDiscardAlpha ) )
        plasmaLayer->SetBlendFlags( plasmaLayer->GetBlendFlags() | hsGMatState::kBlendNoTexAlpha );
    if( bitmapPB->GetInt( kBmpInvertAlpha ) )
        bd.invertAlpha = true;

    // Texture quality
    if( bitmapPB->GetInt( kBmpNonCompressed ) )
        texFlags |= plBitmap::kForceNonCompressed;

    if( bitmapPB->GetInt( kBmpNoDiscard ) )
        texFlags |= plBitmap::kDontThrowAwayImage;

    switch( bitmapPB->GetInt( kBmpScaling ) )
    {
        case kScalingHalf: texFlags |= plBitmap::kHalfSize;  break;
        case kScalingNone: texFlags |= plBitmap::kNoMaxSize; break;
    }

    // Mip map filtering.
    if( bitmapPB->GetInt( kBmpNoFilter ) )
        texFlags |= plBitmap::kForceOneMipLevel;
    if( bitmapPB->GetInt( kBmpMipBias ) )
    {
        plasmaLayer->SetZFlags( plasmaLayer->GetZFlags() | hsGMatState::kZLODBias );
        plasmaLayer->SetLODBias( bitmapPB->GetFloat( kBmpMipBiasAmt, fConverterUtils.GetTime( fInterface ) ) );
    }
    float sig = bitmapPB->GetFloat( kBmpMipBlur );

    bd.texFlags = texFlags;
    bd.sig = sig;

    // Get detail parameters
    if( bitmapPB->GetInt( kBmpUseDetail ) )
    {                                           // TODO: be smarter
        if( blendFlags & hsGMatState::kBlendAdd )
            bd.createFlags |= plMipmap::kCreateDetailAdd;
        else if( blendFlags & hsGMatState::kBlendMult )
            bd.createFlags |= plMipmap::kCreateDetailMult;
        else
            bd.createFlags |= plMipmap::kCreateDetailAlpha;
        bd.detailDropoffStart = float(bitmapPB->GetInt(kBmpDetailStartSize)) / 100.f;
        bd.detailDropoffStop = float(bitmapPB->GetInt(kBmpDetailStopSize)) / 100.f;
        bd.detailMax = float(bitmapPB->GetInt(kBmpDetailStartOpac)) / 100.f;
        bd.detailMin = float(bitmapPB->GetInt(kBmpDetailStopOpac)) / 100.f;
    }

    // Get max export dimension (since the function we eventually call
    // expects the max of the two dimensions, we figure that out here and
    // pass it on)
    bd.maxDimension = bitmapPB->GetInt( kBmpExportWidth );
    int expHt = bitmapPB->GetInt( kBmpExportHeight );
    if( bd.maxDimension < expHt )
        bd.maxDimension = expHt;
    int clipID = 0, w;
    for( clipID = 0, w = bi->Width(); w > bd.maxDimension; w >>= 1, clipID++ );

    // Do the UV gen (before we do texture, since it could modify the bitmapData struct)
    IProcessUVGen( layer, plasmaLayer, &bd, preserveUVOffset );

    // Create the texture.  If it works, assign it to the layer
    if( ( plasmaLayer = IAssignTexture( &bd, maxNode, plasmaLayer, upperLayer, clipID ) ) == nil )
        return nil;

    // All done!
    return (plLayerInterface *)plasmaLayer;

    hsGuardEnd;
}