RedAlert/WIN32LIB/DRAWBUFF/TEST/TEST.CPP

/*
**	Command & Conquer Red Alert(tm)
**	Copyright 2025 Electronic Arts Inc.
**
**	This program is free software: you can redistribute it and/or modify
**	it under the terms of the GNU General Public License as published by
**	the Free Software Foundation, either version 3 of the License, or
**	(at your option) any later version.
**
**	This program is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**	GNU General Public License for more details.
**
**	You should have received a copy of the GNU General Public License
**	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/***********************************************************************************************
 ***             C O N F I D E N T I A L  ---  W E S T W O O D   S T U D I O S               ***
 ***********************************************************************************************
 *                                                                                             *
 *                 Project Name : GraphicBufferClass Test Program                              *
 *                                                                                             *
 *                    File Name : DRAWTEST.CPP                                                 *
 *                                                                                             *
 *                   Programmer : Steve Tall                                                   *
 *                                                                                             *
 *                   Start Date : September 25, 1995                                           *
 *                                                                                             *
 *                  Last Update : September 27, 1995 [ST]                                      *
 *                                                                                             *
 *---------------------------------------------------------------------------------------------*
 * Functions:                                                                                  *
 *  WinMain 		-- Program entry point                                                     *
 *  Set_Mode		-- Set up direct draw system                                               *
 *  WndProc			-- Callback procedure for main window                                      *
 *  Font_Test		-- Test GVPC::Print                                                        *
 *  Rect_Test		-- Test GVPC::Draw_Rect and GVPC::Draw_Line                                *
 *  Clear_Test		-- Test GVPC::Clear                                                        *
 *  Pixel_Test		-- Test GVPC::Put_Pixel                                                    *
 *  Read_Pixel_Test	-- Test GVPC::Read_Pixel                                                   *
 *  Scale_Test		-- Test GVPC::Scale                                                        *
 *  Blit_Test1		-- Test GVPC::Blit from video mem to video mem                             *
 *  Blit_Test1		-- Test GVPC::Blit from system mem to video mem                            *
 *  Fill_Rect_Test	-- Test GVPC::Fill_Rect                                                    *
 *  Remap_Test		-- Test GVPC::Remap                                                        *
 *  Quad_Test		-- Test GVPC::Fill_Quad                                                    *
 *  Copy_Test		-- Test GVPC::To_Buffer and BufferClass::To_Page                           *
 *  Test_All		-- Calls the other tests                                                   *
 *                                                                                             *
 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */



#define WIN32
#define WIN32
#include <windows.h>
#include <windowsx.h>
#include "..\gbuffer.h"
#include <ddraw.h>
#include <font.h>
#include <tile.h>
#include <file.h>
#include <iconcach.h>
#include <wwmem.h>

#define NAME "DRAWBUFF test"
#define TITLE "DRAWBUFF library test"


void Test_All (void);

//
// Misc globals for testing
//
int				Test=0;						// Number of test currently in progress
BOOL			AllDone;					// Flag that we should exit

int				x1,y1,x2,y2;				// Coordinates for rectangle drawing

int				BlitXAdd;					//
int				BlitXDir;                   // Vars for blit testing
int				BlitYAdd;                   //
int				BlitYDir;                   //

int				BlitStretchX;				//
int				BlitStretchY;               // Vars for scale testing
int				BlitStretchXAdd;            //
int				BlitStretchYAdd;            //

char			RemapTable[256];			// Table for colour remap testing

int				FontPrintX;					// Vars for test font printing
int				FontPrintY;					//

int				StampX;						//
int				StampY;                     // Vars for moving the stamp test icon around
int				StampXDir;                  //   the screen
int				StampYDir;                  //


#define	MAX_TESTS 	14						// Number of tests we have defined
#define	MODE_WIDTH	640						// Width in pixels of required video mode
#define	MODE_HEIGHT	400						// Height in pixels of required video mode

int				ScreenWidth=MODE_WIDTH;

BOOL			GameInFocus = TRUE;

extern "C"{
char	CurrentPalette	[768];
}

int WindowList[][8] = {
	{20>>3,20,(MODE_WIDTH-20)>>3,MODE_HEIGHT-20,0,0,0,0}	/* screen window */
};
char	SpanBuff[500000];	//Dont know how big this should be so its *BIG*

GraphicBufferClass	*ScreenBuffer=NULL;		// Global pointer to screen GraphicBufferClass
GraphicBufferClass	*BackBuffer=NULL;		// Global pointer to a back buffer

void 	*IconPointer;						// Global pointer to our test icons

PALETTEENTRY			pe[256];			// DD Palette entries
unsigned char			Palette[256*3];		// Place to load palette to
extern LPDIRECTDRAWPALETTE	PalettePtr;				// Pointer to direct draw palette object

//
// Prototypes
//
long FAR PASCAL _export WndProc (HWND, UINT, UINT, LONG) ;
BOOL Set_Video_Mode(HWND hwnd, int w, int h, int bits_per_pixel);
void Reset_Video_Mode(void);
extern "C" void Wait_Vert_Blank(void);
void Block_Mouse(GraphicBufferClass *ptr){}
void Unblock_Mouse(GraphicBufferClass *ptr){}


//
// Externs
//
extern	LPDIRECTDRAW	DirectDrawObject;
extern	HWND			MainWindow;






typedef struct tColourList {

	char	Red;
	char	Green;
	char	Blue;
} ColourList;

ColourList	ColourLookup[9]={
	0,0,0,
	63,0,0,
	0,63,0,
	0,0,63,
	63,0,63,
	63,63,0,
	0,63,63,
	32,32,32,
	63,63,63
};





extern "C" void Set_Palette_Register(int number,int red ,int green ,int blue);

void Colour_Debug (int call_number)
{
	Set_Palette_Register (0,ColourLookup[call_number].Red ,
									ColourLookup[call_number].Green,
									ColourLookup[call_number].Blue);
}



















/***********************************************************************************************
 * WinMain -- Program entry point                                                              *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Standard Windows startup parameters                                               *
 *                                                                                             *
 * OUTPUT:   msg.wParam                                                                        *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/27/95 1:28PM ST : Created                                                              *
 *=============================================================================================*/

int PASCAL WinMain (HANDLE hInstance, HANDLE hPrevInstance,
						  LPSTR lpszCmdParam, int nCmdShow)
{
	static char 	szAppName[] = "HelloWin" ;
	HWND        	hwnd ;
	MSG         	msg ;
	WNDCLASS    	wndclass ;
	int				i,j,k;
	char				a[10];
	char				b[10];


	//
	// Register the window class
	//

	Mem_Copy(a,b,10);
	if (!hPrevInstance)
		{
		wndclass.style         = CS_HREDRAW | CS_VREDRAW ;
		wndclass.lpfnWndProc   = WndProc ;
		wndclass.cbClsExtra    = 0 ;
		wndclass.cbWndExtra    = 0 ;
		wndclass.hInstance     = hInstance ;
		wndclass.hIcon         = LoadIcon (hInstance, IDI_APPLICATION) ;
		wndclass.hCursor       = LoadCursor (NULL, IDC_ARROW) ;
		wndclass.hbrBackground = NULL;
		wndclass.lpszMenuName  = NULL;
		wndclass.lpszClassName = NAME;

		RegisterClass (&wndclass) ;
	}


	//
	// Create our main window
	//
	hwnd = CreateWindowEx (
							WS_EX_TOPMOST,
							NAME,
							TITLE,
							WS_POPUP | WS_MAXIMIZE,
							0,
							0,
							MODE_WIDTH,
							MODE_HEIGHT,
							NULL,
							NULL,
							hInstance,
							NULL );

	ShowWindow (hwnd, nCmdShow) ;
	UpdateWindow (hwnd) ;
	SetFocus (hwnd);
	MainWindow=hwnd;			//Save the handle to our main window
								// (Dangerous  if Windoze can change the handle)



	//
	// Allocate space for the icons and load them
	//
	IconPointer=malloc (20000);
	Load_File ( "bridge3.des" , IconPointer  );
	Invalidate_Cached_Icons();
	Register_Icon_Set (IconPointer,TRUE);

	//
	// Load the desert palette
	//
	Load_File ( "desert.pal" , Palette );
	k=0;
	for( j=0 ; j<768 ; j+=3 )
	{
		pe[k].peRed = Palette[j];
		pe[k].peGreen = Palette[j+1];
		pe[k].peBlue = Palette[j+2];
		k++;
	}


	//
	// Initialise global stuff required for the tests
	//

	// Force load of font
	FontPtr=NULL;


	// Set the video mode
	Set_Video_Mode( MainWindow , MODE_WIDTH , MODE_HEIGHT , 8 );


	//
	// Init the stuff for drawing rectangles
	//
	x1=0;
	y1=0;
	x2=319;
	y2=199;


	//
	// Init the stamp test variables
	//

	StampX=100;
	StampY=100;
	StampXDir=1;
    StampYDir=1;

	//
	// Create the GraphicBufferClass that will be the screen buffer
	//
	ScreenBuffer = new GraphicBufferClass ( MODE_WIDTH , MODE_HEIGHT , (GBC_Enum)(GBC_VIDEOMEM | GBC_VISIBLE));


	//
	// Set the palette
	//
	DirectDrawObject->CreatePalette( DDPCAPS_8BIT | DDPCAPS_ALLOW256, &pe[0] , &PalettePtr ,NULL);
	ScreenBuffer->Get_Graphic_Buffer()->Get_DD_Surface()->SetPalette( PalettePtr );
	PalettePtr->SetEntries( DDPSETPAL_VSYNC , 0 , 256 , &pe[0] );


	//
	// Set up the remap table for the Buffer_Remap test
	//
	for ( i=0 ; i<256 ; i++ ){
		RemapTable[i]=(char)255-i;
	}


	//
	// Get rid of the windows cursor
	//
	ShowCursor (FALSE);

	AllDone = FALSE;

	//
	// Windows message loop
	//
	while ( ! AllDone ){

		Test_All();			// Perform a test

		if( PeekMessage( &msg, NULL, 0, 0, PM_NOREMOVE ) ){
			if( !GetMessage( &msg, NULL, 0, 0 ) ){
				return msg.wParam;
			}
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}

	}

	return msg.wParam;
}




#ifdef cuts		//this is now in a seperate file
/***********************************************************************************************
 * Set_Mode -- temporary replacement for library set mode function                             *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    int - mode width                                                                  *
 *           int - mode height                                                                 *
 *           int - bits per pixel                                                              *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/27/95 1:51PM ST : Created                                                              *
 *=============================================================================================*/

void Set_Mode ( int width , int height , int bpp )
{

	//
	// Setup the direct draw system by
	//	1. Creating the DirectDraw object
	//	2. Setting the cooperative level to exclusive so we own the screen
	//	3. Setting the video mode
	//

	if ( DirectDrawObject == NULL ){

		// Create the direct draw object
		DirectDrawCreate ( NULL , &DirectDrawObject , NULL);

		// Set the cooperative level
		DirectDrawObject->SetCooperativeLevel ( MainWindow , DDSCL_EXCLUSIVE
																	| DDSCL_FULLSCREEN
																	| DDSCL_ALLOWMODEX );
		// Set the required display mode with 8 bits per pixel
		DirectDrawObject->SetDisplayMode ( width , height , bpp );
	}

}
#endif	//cuts


/***********************************************************************************************
 * WndProc -- windows message callback                                                         *
 *                                                                                             *
 *   Pilfered from a windows example program - HELLOWIN.C                                      *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Standard Windoze callback parameters                                              *
 *                                                                                             *
 * OUTPUT:   long                                                                              *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/27/95 1:39PM ST : Pilfered                                                             *
 *=============================================================================================*/

long FAR PASCAL _export WndProc (HWND hwnd, UINT message, UINT wParam,
														  LONG lParam)
 {

	switch (message){


		case WM_KEYDOWN:

			switch ( wParam ){

				case VK_SPACE:
					Test++;
					if ( Test>=MAX_TESTS ) {
						Test=0;
					}
					if ( BackBuffer ){
						delete BackBuffer;
						BackBuffer=NULL;
					}
					break;
			}
			break;

		case WM_ACTIVATEAPP:
			if ((BOOL)wParam) {
				if (ScreenBuffer) {
					ScreenBuffer->Get_DD_Surface()->Restore();
					Restore_Cached_Icons();
				}
			} else {
				Test++;
				Test--;
			}
			break;

		case WM_DESTROY:
			//
			// Tidy up
			//

			if ( BackBuffer ) {
				delete BackBuffer;
			}
			delete ScreenBuffer;

			Invalidate_Cached_Icons();

			if ( DirectDrawObject ){
				Reset_Video_Mode();
			}

			AllDone = TRUE;
			PostQuitMessage (0) ;
			return(0);
	}

	return DefWindowProc (hwnd, message, wParam, lParam) ;
}






/***********************************************************************************************
 * Font_Test -- test the font print member of the GBC                                          *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/27/95 3:29PM ST : Created                                                              *
 *=============================================================================================*/
void Font_Test ( void )
{
	const char	font_name[]={"font.fnt"};

	if ( !FontPtr ){
		FontPtr = Load_Font ( &font_name[0] );
		FontXSpacing=0;
		FontYSpacing=0;
		FontPrintX=0;
		FontPrintY=0;
	}

	if ( FontPtr ){
		ScreenBuffer->Print ( "Hello Windoze" , FontPrintX , FontPrintY ,255 , 0);
	}

	if ( FontPrintX<550 ){
		FontPrintX+=8;
	}

	if ( FontPrintY<380 ){
		FontPrintY+=8;
	}


}



/***********************************************************************************************
 * Rect_Test -- test the rectangle and line functions of the GBC                               *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/25/95 3:03PM ST : Created                                                              *
 *=============================================================================================*/

void Rect_Test ( GraphicBufferClass *screen_buffer )
{
	ScreenBuffer->Lock();

	screen_buffer->Draw_Rect ( x1 , y1 , x2 , y2 , 255 );
	if ( x1<90 ){
		x1+=2;
	}

	if ( y1<90 ){
		y1+=2;
	}

	if ( x2>230 ){
		x2-=2;
	}

	if ( y2>110 ){
		y2-=2;
	}

	ScreenBuffer->Unlock();
}




/***********************************************************************************************
 * Clear_Test -- test the clear function of the GraphicBufferClass                             *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/25/95 3:05PM ST : Created                                                              *
 *=============================================================================================*/

void Clear_Test ( void )
{

	x1=0;
	y1=0;
	x2=319;
	y2=199;

	FontPrintX=0;
	FontPrintY=0;

	ScreenBuffer->Clear ( rand()&255 );
}





/***********************************************************************************************
 * Stamp_Test -- test the Draw_Stamp member of GraphicBufferClass                              *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/28/95 6:02PM ST : Created                                                              *
 *=============================================================================================*/
void Stamp_Test ( void )
{
	int		x;
	int		y;
	int		icon=0;

	//
	// Use stacking locks to speed things up
	//
	//ScreenBuffer->Lock();

	Wait_Vert_Blank();
	Colour_Debug(1);
	for	( y=0 ; y<5*24 ; y+=24 ){

		for ( x=0 ; x<6*24 ; x+=24 ){

			ScreenBuffer->Draw_Stamp( IconPointer, icon++ , x+StampX, y+StampY, NULL ,0);

		}
	}
	Colour_Debug(0);

    //ScreenBuffer->Unlock();

	StampX+=StampXDir;
	StampY+=StampYDir;

	if ( StampX>640-6*24 || StampX<1 ){
		StampXDir=-StampXDir;
	}

	if ( StampY>400-6*24 || StampY<1 ){
		StampYDir=-StampYDir;
	}

}



/***********************************************************************************************
 * Stamp_Test2 -- test the Draw_Stamp member of GraphicBufferClass (no caching)                *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/28/95 6:02PM ST : Created                                                              *
 *=============================================================================================*/
void Stamp_Test2 ( void )
{
	int		x;
	int		y;
	int		icon=0;

	//
	// Use stacking locks to speed things up
	//
	//ScreenBuffer->Lock();

	Wait_Vert_Blank();
	Colour_Debug(2);
	for	( y=0 ; y<5*24 ; y+=24 ){

		for ( x=0 ; x<6*24 ; x+=24 ){

			ScreenBuffer->Draw_Stamp( IconPointer, icon++ , x+StampX, y+StampY, NULL);

		}
	}
	Colour_Debug(0);

    //ScreenBuffer->Unlock();

	StampX+=StampXDir;
	StampY+=StampYDir;

	if ( StampX>640-6*24 || StampX<1 ){
		StampXDir=-StampXDir;
	}

	if ( StampY>400-6*24 || StampY<1 ){
		StampYDir=-StampYDir;
	}

}




/***********************************************************************************************
 * Pixel_Test -- test the GVPclass put_pixel member                                            *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/25/95 5:29PM ST : Created                                                              *
 *=============================================================================================*/
void Pixel_Test ( void )
{
	ScreenBuffer->Put_Pixel ( rand() & 511 , rand() & 255 , rand () &255 );

}










/***********************************************************************************************
 * Read_Pixel_Test -- test the GVPclass Read_Pixel member                                      *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/26/95 4:51PM ST : Created                                                              *
 *=============================================================================================*/
void Read_Pixel_Test ( void )
{

	int		i;
	int		colour;
	int		pixel_x;
	int		pixel_y;

	if ( !BackBuffer ) {

		BackBuffer = new GraphicBufferClass(640,400, GBC_VIDEOMEM );

		BackBuffer->Clear( 0 );
		ScreenBuffer->Clear ( 0 );

		x1=0;
		y1=0;
		x2=319;
		y2=199;

		for ( i=0 ; i<50 ; i++ ) {
			Rect_Test ( BackBuffer );
		}

	}


	//
	// Use the stacking lock feature to lock the surfaces once only and
	// then draw 10 pixels
	//

	ScreenBuffer->Lock();
	BackBuffer->Lock();

	for ( i=0 ; i<10 ; i++ ){

		pixel_x = rand() &511;
		pixel_y = rand() &255;

		colour=BackBuffer->Get_Pixel ( pixel_x , pixel_y );

		ScreenBuffer->Put_Pixel ( pixel_x , pixel_y , colour );
	}

	BackBuffer->Unlock();
	ScreenBuffer->Unlock();

}



/***********************************************************************************************
 * Scale_Test -- test the GVPclass scale member                                                *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/26/95 10:27AM ST : Created                                                             *
 *=============================================================================================*/
void Scale_Test ( void )
{

	int		i;

	if ( !BackBuffer ) {

		BackBuffer = new GraphicBufferClass(640, 400);

		BackBuffer->Clear( 0 );

		x1=0;
		y1=0;
		x2=319;
		y2=199;

		for ( i=0 ; i<50 ; i++ ) {
			Rect_Test ( BackBuffer );
		}

		BlitStretchX=0;
		BlitStretchY=0;
		BlitStretchXAdd=1;
		BlitStretchYAdd=1;
	}

	BackBuffer->Scale ( *ScreenBuffer , 0 , 0 , 10 , 10
						,320 , 200 , 320+BlitStretchX , 200+BlitStretchY );

	BlitStretchX += BlitStretchXAdd;
	BlitStretchY += BlitStretchYAdd;

	if ( (BlitStretchX == 100) || (BlitStretchX==-100) ){
		BlitStretchXAdd=-BlitStretchXAdd;
	}

	if ( (BlitStretchY == 100) || (BlitStretchY==-100) ){
		BlitStretchYAdd=-BlitStretchYAdd;
	}




}



/***********************************************************************************************
 * Blit_Test1 -- test the blit member of the GraphicBufferClass                                *
 *                                                                                             *
 *    Blits from video memory to video memory                                                  *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/25/95 5:39PM ST : Created                                                              *
 *=============================================================================================*/
void Blit_Test1 ( void )
{

	int	i;

	if ( !BackBuffer ) {
		BackBuffer = new GraphicBufferClass(640, 400, GBC_VIDEOMEM);

		BackBuffer->Clear( 0 );

		x1=0;
		y1=0;
		x2=319;
		y2=199;

		for ( i=0 ; i<50 ; i++ ) {
			Rect_Test ( BackBuffer );
		}

		BlitXAdd=0;
		BlitXDir=1;
		BlitYAdd=0;
		BlitYDir=1;
	}


	BackBuffer->Blit ( *ScreenBuffer , 0 , 0 , BlitXAdd , BlitYAdd , 320 , 200 , (BOOL) FALSE );

	BlitXAdd+=BlitXDir;

	if ( (BlitXAdd == 0) || (BlitXAdd == 320 )){
		BlitXDir=-BlitXDir;
	}


	BlitYAdd+=BlitYDir;

	if ( (BlitYAdd == 0) || (BlitYAdd == 200 )){
		BlitYDir=-BlitYDir;
	}


}





/***********************************************************************************************
 * Blit_Test2 -- test the blit member of the GraphicBufferClass                                *
 *                                                                                             *
 *    Blits from system memory to video memory                                                 *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/27/95 9:36AM ST : Created                                                              *
 *=============================================================================================*/
void Blit_Test2 ( void )
{

	int	i;

	if ( !BackBuffer ) {
		BackBuffer = new GraphicBufferClass(640, 400);

		BackBuffer->Clear( 0 );

		x1=0;
		y1=0;
		x2=319;
		y2=199;

		for ( i=0 ; i<50 ; i++ ) {
			Rect_Test ( BackBuffer );
		}

		BlitXAdd=0;
		BlitXDir=1;
		BlitYAdd=0;
		BlitYDir=1;
	}


	BackBuffer->Blit ( *ScreenBuffer , 0 , 0 , BlitXAdd , BlitYAdd , 320 , 200 , (BOOL) FALSE );

	BlitXAdd+=BlitXDir;

	if ( (BlitXAdd == 0) || (BlitXAdd == 320 )){
		BlitXDir=-BlitXDir;
	}


	BlitYAdd+=BlitYDir;

	if ( (BlitYAdd == 0) || (BlitYAdd == 200 )){
		BlitYDir=-BlitYDir;
	}


}





/***********************************************************************************************
 * Fill_Rect_Test -- test the GraphicBufferClass fill rectangle member                         *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/26/95 5:23PM ST : Created                                                              *
 *=============================================================================================*/
void Fill_Rect_Test ( void )
{

	int		x1;
	int		y1;
	int		x2;
	int		y2;

	x1= rand()&511;
	x2= rand()&511;
	y1= rand()&255;
	y2= rand()&255;

	ScreenBuffer->Fill_Rect ( min ( x1,x2 ) , min ( y1,y2) , max ( x1,x2 ) , max ( y1,y2 ) , rand()&255 );


}





/***********************************************************************************************
 * Remap_Test -- test the Remap member of GraphicsBufferClass                                  *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/26/95 6:26PM ST : Created                                                              *
 *=============================================================================================*/
void Remap_Test ( void )
{
	ScreenBuffer->Remap ( 0 , 0 , 640 , 400 , &RemapTable[0] );
}








/***********************************************************************************************
 * Quad_Test -- test the quad fill member of GraphicBufferClass                                *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/27/95 11:12AM ST : Created                                                             *
 *=============================================================================================*/

void Quad_Test ( void )
{
	int		colour;
	int		x0;
	int		x1;
	int		x2;
	int		x3;
	int		y0;
	int		y1;
	int		y2;
	int		y3;

	x0 = rand() & 255;
	x1 = rand() & 255+320;
	x2 = rand() & 255+320;
	x3 = rand() & 255;

	y0 = rand() & 127;
	y1 = rand() & 127;
	y2 = rand() & 127+250;
	y3 = rand() & 127+250;

	colour= rand()&255;

	ScreenBuffer->Fill_Quad ( SpanBuff , x0,y0,x1,y1,x2,y2,x3,y3,colour);

}






/***********************************************************************************************
 * Copy_Test - test the To_Buffer member of GraphicsBufferClass                                *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/27/95 11:36AM ST : Created                                                             *
 *=============================================================================================*/
void Copy_Test ( void )
{

	BufferClass	*buffer;
	char		*buffer_ptr;


	buffer = new BufferClass (640*400);

	ScreenBuffer->To_Buffer(buffer);

	buffer_ptr = (char*)buffer->Get_Buffer();
	memcpy ( buffer_ptr , buffer_ptr+4 , 640*400-4 );

	buffer->To_Page ( *ScreenBuffer );

    delete buffer;

}






/***********************************************************************************************
 * Test_All -- perform tests on GraphicsBufferClass                                            *
 *                                                                                             *
 *                                                                                             *
 *                                                                                             *
 * INPUT:    Nothing                                                                           *
 *                                                                                             *
 * OUTPUT:   Nothing                                                                           *
 *                                                                                             *
 * WARNINGS: None                                                                              *
 *                                                                                             *
 * HISTORY:                                                                                    *
 *    9/25/95 2:53PM ST : Created                                                              *
 *=============================================================================================*/

void Test_All ( void )

{

	switch ( Test ){

		case 0:
			Clear_Test();
			break;

		case 1:
			Rect_Test( ScreenBuffer );
			break;

		case 2:
			Pixel_Test();
			break;

		case 3:
			Blit_Test1();
			break;

		case 4:
			Blit_Test2();
			break;

		case 5:
			Scale_Test();
			break;

		case 6:
			Read_Pixel_Test();
			break;

		case 7:
			Fill_Rect_Test();
			break;

		case 8:
			Remap_Test();
			break;

		case 9:
			Quad_Test();
			break;

		case 10:
			Copy_Test();
			break;

		case 11:
			Font_Test();
			break;

		case 12:
			Stamp_Test();
			break;

		case 13:
			Stamp_Test2();
			break;

	}

}