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C++ ColourValue::getAsARGB方法代码示例

本文整理汇总了C++中ogre::ColourValue::getAsARGB方法的典型用法代码示例。如果您正苦于以下问题:C++ ColourValue::getAsARGB方法的具体用法?C++ ColourValue::getAsARGB怎么用?C++ ColourValue::getAsARGB使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ogre::ColourValue的用法示例。


在下文中一共展示了ColourValue::getAsARGB方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: setSubMeshColors

bool MaterialVertexBuffer::setSubMeshColors(
	EntityMaterial* entity,
	unsigned short mesh_index,
	size_t ui32VertexColorCount,
	const float* pVertexColorArray) const
{
	if(entity->getOgreEntity() == NULL)
	{
		m_rKernelContext.getLogManager() << LogLevel_Error << "Can't set colors : no Entity found!\n";
		return false;
	}

	Ogre::Mesh* mesh = entity->getOgreEntity()->getMesh().get();

	if(mesh == NULL || mesh_index >= mesh->getNumSubMeshes())
	{
		m_rKernelContext.getLogManager() << LogLevel_Error << "Can't set colors : no Mesh found!\n";
		return false;
	}

	Ogre::SubMesh* submesh = mesh->getSubMesh( mesh_index );

	if(submesh->useSharedVertices)
	{
		m_rKernelContext.getLogManager() << LogLevel_Error << "Can't set colors : vertices are shared and thus not accessible from SubMesh!\n";
		return false;
	}
	else
	{
		if(ui32VertexColorCount != submesh->vertexData->vertexCount)
		{
			m_rKernelContext.getLogManager() << LogLevel_Error << "Can't set colors : vertex count mismatch!\n";
			return false;
		}

		//get pointer to submesh vertex data
		Ogre::VertexData* vertex_data = submesh->vertexData;

		//get pointer to DIFFUSE element
		const Ogre::VertexElement* difElem = vertex_data->vertexDeclaration->findElementBySemantic(Ogre::VES_DIFFUSE);

		if(difElem == NULL)
		{
			m_rKernelContext.getLogManager() << LogLevel_Error << "Can't set colors : no colours_diffuse element found in vertex buffer!\n";
			return false;
		}

		//convert color to current RenderSystem's format
		Ogre::VertexElementType type = difElem->getType();

		//retrieve VB for DIFFUSE element
		Ogre::HardwareVertexBufferSharedPtr vbuf = vertex_data->vertexBufferBinding->getBuffer(difElem->getSource());

		//lock VB for reading
		unsigned char* color = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_NORMAL));

		// There is _no_ baseVertexPointerToElement() which takes an Ogre::Real or a double
		//  as second argument. So make it float, to avoid trouble when Ogre::Real will
		//  be comiled/typedefed as double:
		//      Ogre::Real* pReal;
		Ogre::RGBA* pRGBA;
		Ogre::ColourValue colour;

		for( size_t j = 0; j < vertex_data->vertexCount; ++j, color += vbuf->getVertexSize())
		{
			//get pointer to RGBA DIFFUSE data
			difElem->baseVertexPointerToElement(color, &pRGBA);

			colour.r = pVertexColorArray[4*j];
			colour.g = pVertexColorArray[4*j+1];
			colour.b = pVertexColorArray[4*j+2];
			colour.a = pVertexColorArray[4*j+3];

			//convert color from RGBA floats to a single ARGB uint32
			if(type == Ogre::VET_COLOUR_ARGB) //D3D format
			{
				*pRGBA = colour.getAsARGB();
			}
			else /*if type == OGRE::VET_COLOUR_ABGR)*/ //GL format
			{
				*pRGBA = colour.getAsABGR();
			}
		}

		//unlock VB
		vbuf->unlock();
	}

	return true;
}
开发者ID:Akanoa,项目名称:PRI,代码行数:90,代码来源:ovkMaterialAction.cpp


注:本文中的ogre::ColourValue::getAsARGB方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。