C++ CrtRender::SetScreenHeight方法代码示例

//----------------------------------------------------------------------------------------------------
// Resize And Initialize The GL Window
GLvoid ResizeGLScreen(GLsizei width, GLsizei height)		
{
	// Prevent A Divide By Zero By
	if (height==0)										
	{
		height=1;										
	}

	glViewport(0,0,width,height);						

	glMatrixMode(GL_PROJECTION);						
	glLoadIdentity();									

	// Calculate The Aspect Ratio Of The Window
	gluPerspective(45.0f,(GLfloat)width/(GLfloat)height,0.1f,100.0f);

	glMatrixMode(GL_MODELVIEW);							
	glLoadIdentity();
	
	// Reset the renderer's screen size to the new size
	_CrtRender.SetScreenWidth( width);
	_CrtRender.SetScreenHeight( height);
}

//----------------------------------------------------------------------------------------------------
// Standard windows mainline, this is the program entry point
//
CrtInt32 WINAPI WinMain(	HINSTANCE	hInstance,		
					HINSTANCE	hPrevInstance,	
					LPSTR		lpCmdLine,			
					CrtInt32			nCmdShow)	
{
	(void)hPrevInstance; // Avoid warnings
	(void)nCmdShow; // Avoid warnings
	(void)hInstance; // Avoid warnings

#ifndef NO_DEVIL
	ilInit();
#endif

	MSG		msg;									
	BOOL	done=FALSE;								
	
	// Avoid warnings later
	msg.wParam = 0;

	// Turns on windows heap debugging
#if HEAP_DEBUG
	_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_CHECK_ALWAYS_DF | _CRTDBG_CHECK_CRT_DF /*| _CRTDBG_DELAY_FREE_MEM_DF*/);
#endif

	// Ask The User Which Screen Mode They Prefer
	//	if (MessageBox(NULL,"Would You Like To Run In Fullscreen Mode?", "Start FullScreen?",MB_YESNO|MB_ICONQUESTION)==IDNO)
	{
		fullscreen=FALSE;							
	}

	// Set the default screen size
	_CrtRender.SetScreenWidth( 640);
	_CrtRender.SetScreenHeight( 480);

	// Create an OpenGL Window
	if (!CreateGLWindow("Collada Viewer for PC", _CrtRender.GetScreenWidth(), _CrtRender.GetScreenHeight(),32,fullscreen))
	{
		return 0;									
	}
	
	// Turn data dumping (debug) off
	//CrtBool dumpData = CrtFalse; 

	// Initialize the renderer
	// !!!GAC for compatibility with the new COLLADA_FX code, Init now forces UsingCg and UsingVBOs to
	// !!!GAC false.  It also calls CrtInitCg, creating the CG context and calling cgGLRegisterStates.
	// !!!GAC All these things are currently required for the cfx rendering path to work, changing them
	// !!!GAC may cause problems.  This is work in progress and will be much cleaner when the refactor is done.
	
	_CrtRender.Init();
	//_CrtRender.SetRenderDebug( CrtTrue ); 

	// !!!GAC kept for reference, changing these may cause problems with the cfx include path
	//_CrtRender.SetUsingCg( CrtFalse );
	// Turn off VBOs (the GL skinning path doesn't work with VBOs yet)
	_CrtRender.SetUsingVBOs( CrtTrue ); 
	_CrtRender.SetUsingNormalMaps( CrtTrue ); 	
	//_CrtRender.SetRenderDebug( CrtTrue ); 
	//_CrtRender.SetUsingShadowMaps(CrtTrue);

	// We might get a windows-style path on the command line, this can mess up the DOM which expects
	// all paths to be URI's.  This block of code does some conversion to try and make the input
	// compliant without breaking the ability to accept a properly formatted URI.  Right now this only
	// displays the first filename
	char
		file[512],
		*in = lpCmdLine,
		*out = file;
	*out = NULL;
	// If the first character is a ", skip it (filenames with spaces in them are quoted)
	if(*in == '\"')
	{
		in++;
	}
	if(*(in+1) == ':')
	{
		// Second character is a :, assume we have a path with a drive letter and add a slash at the beginning
		*(out++) = '/';
	}
	int i;
	for(i =0; i<512; i++)
	{
		// If we hit a null or a quote, stop copying.  This will get just the first filename.
		if(*in == NULL || *in == '\"')
			break;
		// Copy while swapping backslashes for forward ones
		if(*in == '\\')
		{
			*out = '/';
		}
		else
		{
			*out = *in;
		}
		in++;
		out++;
	}
//.........这里部分代码省略.........