Category : C Source Code
Archive   : C_ROTATE.ZIP
Filename : PIC_CLAS.I

/* CLASS Definitions for:
XY = Just a single point location, used and centers for circles,
corners for boxes, etc...

CIRCLE = XY Pos = Center of Circle


BUTTON = XY Pos = Top Left Corner with x2, y2 going down to bottom right
*/

class XY
{
protected:
int x1, y1;
public:
void create( int sx1, int sy1 );
void set( char c, int num );
int get( char c );
};

void XY::create( int sx1, int sy1 )
{
set( 'X', sx1 );
set( 'Y', sy1 );
}

void XY::set(char c, int num )
{
if( c == 'X' )
x1 = num;
else
y1 = num;
}

int XY::get( char c )
{
if( c == 'X' )
return( x1 );
else
return( y1 );
}



class XY2 : public XY
{
protected:
int x2, y2, color;
public:
void create2( int sx1, int sy1, int sx2, int sy2, int sc );
void set2( char c, int num );
void set_color( int sc );
int get2( char c );
int get_color();
};

void XY2::create2( int sx1, int sy1, int sx2, int sy2, int sc )
{
XY::create( sx1, sy1 );
set2( 'X', sx2 );
set2( 'Y', sy2 );
set_color( sc );
}

void XY2::set2(char c, int num )
{
if( c == 'X' )
x2 = num;
else
y2 = num;
}

void XY2::set_color( int sc )
{
color = sc;
}

int XY2::get2( char c )
{
if( c == 'X' )
return( x2 );
else
return( y2 );
}

int XY2::get_color()
{
return( color );
}



class CIRCLE : public XY
{
protected:
int size, color;
char text[40];
public:
void Ccreate( int sx1, int sy1, int ss, int sc, char* txt );
void set_size( int ss );
void set_color( int sc );
void set_text( char* txt );
int get_size();
int get_color();
void draw();
int IS_HIT( int mx, int my);
};

void CIRCLE::Ccreate( int sx1, int sy1, int ss, int sc, char* txt )
{
XY::create( sx1, sy1 );
set_size( ss );
set_color( sc );
strcpy( text, txt );
draw(); /* Draw with normal fill, not like mouse button hit */
}

void CIRCLE::set_size( int ss )
{
size = ss;
}

void CIRCLE::set_color( int sc )
{
color = sc;
}

void CIRCLE::set_text( char* txt )
{
strcpy( text, txt );
}

int CIRCLE::get_size()
{
return( size );
}

int CIRCLE::get_color()
{
return( color );
}

void CIRCLE::draw()

{
int OldColor = color;

gmouse.Mshow( FALSE );
setcolor( color );

circle( x1, y1, size );
setfillstyle( SOLID_FILL, color );
floodfill( x1, y1, color );

if( strlen( text ) > 0 )
{
/* don't print if no text to be printed */
setcolor( WHITE );
settextstyle( DEFAULT_FONT, HORIZ_DIR, 1 );
settextjustify( CENTER_TEXT, CENTER_TEXT );
outtextxy( x1, y1 + size + 10, text );
}

setcolor( OldColor );
gmouse.Mshow( TRUE );
}

int CIRCLE::IS_HIT( int mx, int my )
{ /* MX & MY are the Mouse X & Y positions when the button was pressed */
return ( hypot( abs( mx-x1 ), abs( my-y1 ) ) < size );
}

enum ButtonType { SQUARE, THREE_D, ROUNDED };

class BUTTON : public XY2
{
protected:
ButtonType buttontype;
char text[40];

public:
void Bcreate( int sx1, int sy1, int sx2, int sy2,
int sc, ButtonType sbtn, char* txt );
void set_text( char* txt );
void draw( int hit );
int IS_HIT( int mx, int my );
};

void BUTTON::Bcreate( int sx1, int sy1, int sx2, int sy2,
int sc, ButtonType sbtn, char* txt )
{
XY2::create2( sx1, sy1, sx2, sy2, sc );
strcpy( text, txt );
buttontype = sbtn;
draw( 0 );
}

void BUTTON::set_text( char* txt )
{
strcpy( text, txt );
}

void BUTTON::draw( int hit )
{
struct viewporttype vp;
int OldColor = color, radius = 6;

gmouse.Mshow( FALSE );

/* Don't redraw the entire box if the button was hit,
just do the filling / unfill portion below this */
if ( !hit )
{
setcolor( WHITE );
switch( buttontype )
{
case SQUARE: rectangle( x1, y1, x2, y2 );
break;

case THREE_D: rectangle( x1, y1, x2, y2 );
rectangle( x1+5, y1+5, x2-5, y2-5 );
line( x1, y1, x1+5, y1+5 );
line( x1, y2, x1+5, y2-5 );
line( x2, y1, x2-5, y1+5 );
line( x2, y2, x2-5, y2-5 );
break;

case ROUNDED: arc( x2-radius, y1+radius, 0, 90, radius );
arc( x1+radius, y1+radius, 90, 180, radius );
arc( x1+radius, y2-radius, 180, 270, radius );
arc( x2-radius, y2-radius, 270, 360, radius );
/* use the +1 and -1 to account for top and bottoms
of the arcs not completing to the exact line ends
if not done, the fill will fill entire screen */
line( x1+radius, y1+1, x2-radius, y1+1 );
line( x1, y1+radius, x1, y2-radius );
line( x1+radius, y2-1, x2-radius, y2-1 );
line( x2, y2-radius, x2, y1+radius );
break;
}

setcolor( WHITE );
settextstyle( DEFAULT_FONT, HORIZ_DIR, 1 );
settextjustify( CENTER_TEXT, CENTER_TEXT );

getviewsettings( &vp );
setviewport( x1+2, y1+2, x2-2, y2-2, TRUE );
outtextxy( abs( (x1-x2) / 2), abs( (y1-y2) / 2), text );
setviewport( vp.left, vp.top, vp.right, vp.bottom, TRUE );
}

if( hit )
setfillstyle( SOLID_FILL, color );
else
setfillstyle( WIDE_DOT_FILL, color );

/* Flood fill based on the white border, not the color being filled with.
Also, don't fill directly center.. Text may exist and not show the
actual filling / unfill appropriately
*/
if ( buttontype == THREE_D )
floodfill( x1+6, y1+6, WHITE );
else
floodfill( x1+3, y1+3, WHITE );

setcolor( OldColor );
gmouse.Mshow( TRUE );
}

int BUTTON::IS_HIT( int mx, int my )
{
if( ( x1 <= mx && mx <= x2 ) && ( y1 <= my && my <= y2 ) )
{
draw( 1 );
draw( 0 );
return( TRUE );
}

return( FALSE );
}