gpccurs.c

基于东南大学开发的SEP3203的ARM7中的所有驱动

/*************************************************************************
*
* Copyright  2000 National ASIC Center, All right Reserved
*
* FILE NAME:			gpcdraw.c
* PROGRAMMER:			XuanHui
* Date of Creation:		
* 
* DESCRIPTION: 			
*
* NOTE:			 		 
*						 
*
* FUNCTIONS LIST:
* -------------------------------------------------------------------------

*
* GLOBAL VARS LIST:
* 
*
**************************************************************************
* MODIFICATION HISTORY
*
*
*************************************************************************/
#include "gpc.h"
#include "lmalloc.h"
#include "systsk.h"
#include "systmr.h"
#include "ros33.h"

static void BlinkProc( GC *pGC ); 
static void DisplayCursor( GC *pGC );
static void CleanCursor( GC *pGC );


//-------------------------------------------------------------------
//    SysSetCursorPosition()
//    
//         Set xPos and yPos of cursor.
//
//    Parameters:
//         gc            - Address value of graphic context.
//         xPos          - Width of cursor.
//         yPos          - Height of cursor.
//         style         - Output style.
//
//    returns:
//         GPC_ERR_OK
//-------------------------------------------------------------------	
STATUS SysSetCursorPosition( DWORD gc, WORD xPos, WORD yPos )
{
	GC *pGC;
	
	pGC = (GC *)gc;
	
	// longn_qi 2001/12/20 added (5)
	if ( pGC == NULL || pGC->symbol != GPC_GC_SYMBOL )	
	    return GPC_ERR_FAILED;		
	
	if ( pGC->cursor == NULL || pGC->cursor->symbol != GPC_CURSOR_SYMBOL )
	    return GPC_ERR_FAILED;		
	
	if ( xPos > pGC->width - 1 || yPos > pGC->height - 1 )	//if ( xPos > pGC->width || yPos > pGC->height ) zhuli/2002.2.6
	    return GPC_ERR_FAILED;		

//	if ( ( pGC->width - xPos ) * ( pGC->height - yPos ) < ( pGC->cursor->width * pGC->cursor->height ) )
//		return GPC_ERR_FAILED;	
	// longn_qi 2001/12/20	replaced above (2) with following (2)
	if ( xPos + pGC->cursor->width > pGC->width || yPos + pGC->cursor->height > pGC->height )
	    return GPC_ERR_FAILED;		
	    
	if ( pGC->cursor->status == ASIX_CURSOR_ON )
	{
		SysStopTimer( pGC->cursor->t_id );
		CleanCursor( pGC );
		pGC->cursor->x = xPos;
		pGC->cursor->y = yPos;
		DisplayCursor( pGC );
		SysStartTimer( pGC->cursor->t_id );
	}
	else
	{
		pGC->cursor->x = xPos;
		pGC->cursor->y = yPos;
	}

	return GPC_ERR_OK;
}	

//-------------------------------------------------------------------
//    SysSetCursorSize()
//    
//         Set width and height of cursor.
//
//    Parameters:
//         gc            - Address value of graphic context.
//         cursorWidth   - Width of cursor.
//         cursorheight  - Height of cursor.
//         style         - Output style.
//
//    returns:
//         GPC_ERR_OK
//-------------------------------------------------------------------	
STATUS  SysSetCursorSize( DWORD gc, WORD cursorWidth, WORD cursorHeight )
{
	GC *pGC;

	pGC = (GC *)gc;

	// longn_qi 2001/12/20 added (5)
	if( pGC == NULL || pGC->symbol != GPC_GC_SYMBOL )	
	    return GPC_ERR_FAILED;		
	
	if( pGC->cursor == NULL || pGC->cursor->symbol != GPC_CURSOR_SYMBOL )
	    return GPC_ERR_FAILED;		

//	if ( cursorWidth > WIDTH )                          
//	    return GPC_ERR_FAILED;   
//	if ( cursorHeight > HEIGHT )                       
//	    return GPC_ERR_FAILED;
	// longn_qi	2001/12/20 replaced above (5) with following (4)
	if ( cursorWidth == 0 || cursorWidth > MAX_CURSOR_WIDTH )                          
	    return GPC_ERR_FAILED;   
	if ( cursorWidth == 0 || cursorHeight > MAX_CURSOR_HEIGHT )                       
	    return GPC_ERR_FAILED;

	// longn_qi	2001/12/20 added (2)
	if ( pGC->cursor->x + cursorWidth > pGC->width || pGC->cursor->y + cursorHeight > pGC->height )
	    return GPC_ERR_FAILED;		

	if( pGC->cursor->status == ASIX_CURSOR_ON )
	{
		SysStopTimer( pGC->cursor->t_id );
		CleanCursor( pGC );
		pGC->cursor->width = cursorWidth;
		pGC->cursor->height = cursorHeight;
		DisplayCursor( pGC );
		SysStartTimer( pGC->cursor->t_id );
	}
	else
	{
		pGC->cursor->width = cursorWidth;
		pGC->cursor->height = cursorHeight;
	}

	return GPC_ERR_OK;
}

//-------------------------------------------------------------------
//    SysSetCursorStatus()
//    
//         Set status of cursor.
//
//    Parameters:
//         gc        - Address value of graphic context.
//         status    - Status of cursor.
//         style     - Output style.
//
//    returns:
//         GPC_ERR_OK
//-------------------------------------------------------------------	
STATUS SysSetCursorStatus( DWORD gc, BYTE status )  
{
	GC *pGC;
	
	pGC = (GC *)gc;

	// longn_qi 2001/12/20 added (5)
	if ( pGC == NULL || pGC->symbol != GPC_GC_SYMBOL )	
	    return GPC_ERR_FAILED;		
	
	if ( pGC->cursor == NULL || pGC->cursor->symbol != GPC_CURSOR_SYMBOL )
	    return GPC_ERR_FAILED;		

	if ( pGC->cursor->status == status )
		return GPC_ERR_OK;
	if ( !(status & ASIX_CURSOR_OFF) && !(status & ASIX_CURSOR_ON) && !(status & ASIX_CURSOR_REVERSED) )//by zl 2002.4.3 status can only be these three types
		return GPC_ERR_FAILED;
			
	if ( status == ASIX_CURSOR_REVERSED )
		pGC->cursor->status = ( pGC->cursor->status == ASIX_CURSOR_ON )? ASIX_CURSOR_OFF : ASIX_CURSOR_ON;
	else
		pGC->cursor->status = status;
		
	switch ( pGC->cursor->status )
	{
		case ASIX_CURSOR_ON:
			DisplayCursor( pGC );
			SysStartTimer( pGC->cursor->t_id );
			break;
		case ASIX_CURSOR_OFF:
			pGC->cursor->status = status;
			SysStopTimer( pGC->cursor->t_id );
			CleanCursor( pGC );
			break;
		default:
			return GPC_ERR_FAILED;
	}

	return GPC_ERR_OK;
}

//-------------------------------------------------------------------
//    SysSetCursorBlinkFrequency()
//    
//         Set blink frequency of cursor.
//
//    Parameters:
//         gc        - Address value of graphic context.
//         frequency - frequency of cursor.
//
//    returns:
//         GPC_ERR_OK
//-------------------------------------------------------------------
STATUS SysSetCursorBlinkFrequency(DWORD gc, WORD frequency )     
{
	GC *pGC;

	pGC = (GC *)gc;

	// longn_qi 2001/12/20 added (5)
	if( pGC == NULL || pGC->symbol != GPC_GC_SYMBOL )	
	    return GPC_ERR_FAILED;		
	
	if( pGC->cursor == NULL || pGC->cursor->symbol != GPC_CURSOR_SYMBOL )
	    return GPC_ERR_FAILED;		

	if ( frequency > FREMAX || frequency < FREMIN )
	    return GPC_ERR_FAILED;
	
	pGC->cursor->frequency = frequency;
	
	SysFreeTimer( pGC->cursor->t_id );
//	SysCreateTimer( &pGC->cursor->t_id, pGC->cursor->frequency, BlinkProc, (GC *)pGC );
	// longn_qi 2001/12/20 replaced above (1) with following (2)
	if( SysCreateTimer( &pGC->cursor->t_id, pGC->cursor->frequency, BlinkProc, (GC *)pGC, CYC_MODE|AUTO_START_MODE ) == TIMER_ERROR )
		return GPC_ERR_FAILED;
	
	if( pGC->cursor->status == ASIX_CURSOR_ON )
		SysStartTimer( pGC->cursor->t_id );

	return GPC_ERR_OK;
}

//-------------------------------------------------------------------
//    SysSetCursorStyle()
//    
//         Set style of cursor.
//
//    Parameters:
//         gc          - Address value of graphic context.
//         cursorstyle - Style of cursor.
//         style       - Output style.
//
//    returns:
//         GPC_ERR_OK
//-------------------------------------------------------------------	
STATUS SysSetCursorStyle( DWORD gc, BYTE cursorstyle )
{
	GC *pGC;

	pGC = (GC *)gc;

	// longn_qi 2001/12/20 added (5)
	if( pGC == NULL || pGC->symbol != GPC_GC_SYMBOL )	
	    return GPC_ERR_FAILED;		
	
	if( pGC->cursor == NULL || pGC->cursor->symbol != GPC_CURSOR_SYMBOL )
	    return GPC_ERR_FAILED;		

	// ? judge cursorstyle

//	if( cursorstyle != CURSOR_THREAD || cursorstyle != CURSOR_REC )//by zl 2002.4.3
	if( (cursorstyle != CURSOR_THREAD) && (cursorstyle != CURSOR_REC) )
		return GPC_ERR_FAILED;

	if( pGC->cursor->status == ASIX_CURSOR_ON )
	{
		SysStopTimer( pGC->cursor->t_id );
		CleanCursor ( pGC );
		pGC->cursor->style = cursorstyle;		
		DisplayCursor( pGC );
		SysStartTimer( pGC->cursor->t_id );
	}
	else
		pGC->cursor->style = cursorstyle;

	return GPC_ERR_OK;
}



//-------------------------------------------------------------------
//-------------------------------------------------------------------
//    CreatCursor()
//    
//         Creat a cursor.
//
//    Parameters:
//         gc            - Address value of graphic context.
//         xPos          - Width of cursor.
//         yPos          - Height of cursor.
//         cursorWidth   - Width of cursor.
//         cursorheight  - Height of cursor.
//         status        - Status of cursor.
//         frequency     - frequency of cursor.
//         cursorstyle   - Style of cursor.
//
//    returns:
//         GPC_ERR_OK or GPC_ERR_FAILED
//-------------------------------------------------------------------	
STATUS SysCreateCursor( DWORD gc, WORD xPos, WORD yPos, WORD cursorWidth, WORD cursorHeight, BYTE status, WORD frequency, BYTE cursorstyle )
{
    GC *pGC;
    
    pGC = (GC *)gc;
    
	// longn_qi 2001/12/20 added (2)
	if( pGC == NULL || pGC->symbol != GPC_GC_SYMBOL )	
	    return GPC_ERR_FAILED;		
	
    //Position
//    if ( xPos > pGC->width || yPos > pGC->height )//by zl 2002.4.3
    if ( xPos > pGC->width - 1 || yPos > pGC->height - 1 )
        return GPC_ERR_FAILED;		
//	if ( ( pGC->width - xPos ) * ( pGC->height - yPos ) < ( cursorWidth * cursorHeight ) )
//	return GPC_ERR_FAILED;	
//	//Size	
//	if ( cursorWidth > WIDTH )                          
//		return GPC_ERR_FAILED;   
//	if ( cursorHeight > HEIGHT )                        
//		return GPC_ERR_FAILED;
	// longn_qi 2001/12/20 replaced above(7) with following (7)
	// Size
	if ( cursorWidth == 0 || cursorWidth > MAX_CURSOR_WIDTH )                          
	    return GPC_ERR_FAILED;   
	if ( cursorWidth == 0 || cursorHeight > MAX_CURSOR_HEIGHT )