C++ (Cpp) CG32bitImage::CreateBlankAlpha Examples

Example #1

File: CSystemMap.cpp Project: bmer/Mammoth

CG32bitImage *CSystemMap::CreateBackgroundImage (void)

//	CreateBackgroundImage
//
//	Creates an image containing the map.
//	Caller is responsible for freeing the returned image.

	{
	int i;

	CG32bitImage *pImage = g_pUniverse->GetLibraryBitmapCopy(m_dwBackgroundImage);
	if (pImage == NULL)
		return NULL;

	int xCenter = pImage->GetWidth() / 2;
	int yCenter = pImage->GetHeight() / 2;

	//	Paint all annotations

	if (m_Annotations.GetCount() > 0)
		{
		SViewportPaintCtx Ctx;

		for (i = 0; i < m_Annotations.GetCount(); i++)
			{
			SMapAnnotation *pAnnotation = &m_Annotations[i];

			Ctx.iTick = pAnnotation->iTick;
			Ctx.iRotation = pAnnotation->iRotation;

			pAnnotation->pPainter->Paint(*pImage, xCenter + pAnnotation->xOffset, yCenter - pAnnotation->yOffset, Ctx);
			}
		}

#ifdef DEBUG
#if 0
	//	Test noise function
	CG32bitImage Alpha;
	Alpha.CreateBlankAlpha(pImage->GetWidth(), pImage->GetHeight());
	DrawNebulosity8bit(Alpha, 0, 0, pImage->GetWidth(), pImage->GetHeight(), 256, 0, 255);

	pImage->Fill(0, 0, pImage->GetWidth(), pImage->GetHeight(), 0);
	pImage->FillMask(0, 0, pImage->GetWidth(), pImage->GetHeight(), Alpha, CG32bitPixel(255, 255, 255), 0, 0);
#endif
#endif

	return pImage;
	}