static void add_range( three_d_attr attr, int add, int minimum, int maximum )
{
int start;
start = three_d_get( hThree_d, attr );
start += add;
if( start >= maximum ) {
three_d_set( hThree_d, attr, maximum );
} else if( start <= minimum ) {
three_d_set( hThree_d, attr, minimum );
} else {
three_d_set( hThree_d, attr, start );
}
}
static void add_wrap( three_d_attr attr, int add, int minimum, int maximum )
{
int start;
start = three_d_get( hThree_d, attr );
start += add;
while( start >= maximum ) {
start -= maximum - minimum;
}
while( start < minimum ) {
start += maximum - minimum;
}
three_d_set( hThree_d, attr, start );
}
MRESULT EXPENTRY main_proc(
HWND hwnd,
ULONG msg,
MPARAM mp1,
MPARAM mp2
) {
if( msg == WM_CREATE ) {
PCREATESTRUCT pcreate;
pcreate = ( CREATESTRUCT * ) mp2;
Draw_area.xRight = pcreate->x + pcreate->cx;
Draw_area.yTop = pcreate->y + pcreate->cy;
Draw_area.yBottom = pcreate->y;
Draw_area.xLeft = pcreate->x;
// WinQueryWindowRect( hwnd, &Draw_area );
} else if( msg == WM_COMMAND || ( msg == WM_CONTROL &&
SHORT2FROMMP( mp1 ) != BN_PAINT ) ) {
switch( SHORT1FROMMP( mp1 ) ) {
case IDM_EXIT:
new_display();
WinPostMsg( hwnd, WM_QUIT, 0L, 0L );
return( NULL );
case IDM_ROTATE_LEFT:
new_display();
add_wrap( THREE_D_HORZ_ANGLE, -15, 0, 360 );
break;
case IDM_ROTATE_RIGHT:
new_display();
add_wrap( THREE_D_HORZ_ANGLE, 15, 0, 360 );
break;
case IDM_ROTATE_UP:
new_display();
add_range( THREE_D_VERT_ANGLE, 5, -90, 90 );
break;
case IDM_ROTATE_DOWN:
new_display();
add_range( THREE_D_VERT_ANGLE, -5, -90, 90 );
break;
case IDM_MOVE_IN:
new_display();
add_range(THREE_D_ZOOM, 10, 5, 200 );
break;
case IDM_MOVE_OUT:
new_display();
add_range( THREE_D_ZOOM, -10, 5, 200 );
break;
case IDM_MORE_PERSPECTIVE:
new_display();
add_range( THREE_D_PERSPECTIVE, 10, 5, 200 );
break;
case IDM_LESS_PERSPECTIVE:
new_display();
add_range( THREE_D_PERSPECTIVE, -10, 5, 200 );
break;
case IDM_MORE_CONTRAST:
new_display();
add_range( THREE_D_CONTRAST, 10, 0, 100 );
break;
case IDM_LESS_CONTRAST:
new_display();
add_range( THREE_D_CONTRAST, -10, 0, 100 );
break;
case IDM_MORE_BRIGHTNESS:
new_display();
add_range( THREE_D_BRIGHTNESS, 10, 0, 100 );
break;
case IDM_LESS_BRIGHTNESS:
new_display();
add_range( THREE_D_BRIGHTNESS, -10, 0, 100 );
break;
case IDM_LIGHT_HORZ_LEFT:
new_display();
three_d_set( hThree_d, THREE_D_LIGHT_HORZ, 1 );
break;
case IDM_LIGHT_HORZ_MIDDLE:
new_display();
three_d_set( hThree_d, THREE_D_LIGHT_HORZ, 2 );
break;
case IDM_LIGHT_HORZ_RIGHT:
new_display();
three_d_set( hThree_d, THREE_D_LIGHT_HORZ, 3 );
break;
case IDM_LIGHT_VERT_TOP:
new_display();
three_d_set( hThree_d, THREE_D_LIGHT_VERT, 1 );
break;
case IDM_LIGHT_VERT_MIDDLE:
new_display();
three_d_set( hThree_d, THREE_D_LIGHT_VERT, 2 );
break;
case IDM_LIGHT_VERT_BOTTOM:
new_display();
three_d_set( hThree_d, THREE_D_LIGHT_VERT, 3 );
break;
case IDM_LIGHT_DEPTH_FRONT:
new_display();
three_d_set( hThree_d, THREE_D_LIGHT_DEPTH, 1 );
break;
case IDM_LIGHT_DEPTH_MIDDLE:
new_display();
three_d_set( hThree_d, THREE_D_LIGHT_DEPTH, 2 );
break;
case IDM_LIGHT_DEPTH_BACK:
new_display();
three_d_set( hThree_d, THREE_D_LIGHT_DEPTH, 3 );
break;
default:
;
}
WinInvalidateRect( hwnd, &Draw_area,
SHORT1FROMMP( mp1 ) >= IDM_FIRST_REQUIRING_CLEAR );
} else if( msg == WM_DESTROY ) {
WinPostMsg( hwnd, WM_QUIT, 0L, 0L );
return( 0 );
} else if( msg == WM_PAINT ) {
draw_stuff( hwnd );
if( Auto_run ) {
if( Auto_run == 5 ) {
WinPostMsg( hwnd, WM_QUIT, 0L, 0L );
} else {
long count;
int will_be_one;
will_be_one = 1;
for(count = 0; count < 1000000; ++ count ) will_be_one ^= 1;
Auto_run += will_be_one;
WinPostMsg( hwnd, WM_COMMAND,
MPFROMSHORT( IDM_ROTATE_LEFT ), 0L );
}
}
return( 0 );
} else if( msg == WM_SIZE ) {
WinQueryWindowRect( hwnd, &Draw_area );
Draw_area.yTop -= Button_height;
WinInvalidateRect( hwnd, NULL, TRUE );
return( 0 );
} else if( msg == WM_MEASUREITEM ) {
return( (MRESULT) measure_button( hwnd, mp1, mp2 ) );
} else if( msg == WM_CONTROL && SHORT2FROMMP( mp1 ) == BN_PAINT ) {
draw_button( mp1, mp2 );
return( (MRESULT) TRUE );
}
return( (MRESULT) WinDefWindowProc( hwnd, msg, mp1, mp2 ) );
}
LRESULT CALLBACK main_proc(
HWND hwnd,
UINT msg,
WPARAM wparam,
LPARAM lparam
) {
WORD cmd;
switch( msg ) {
case WM_CREATE: {
GetClientRect( hwnd, &Draw_area );
make_buttons( hwnd );
break;
}
case WM_COMMAND:
cmd = LOWORD( wparam );
switch( LOWORD( cmd ) ) {
case IDM_EXIT:
PostQuitMessage( 0 );
return( FALSE );
case IDM_ROTATE_LEFT:
add_wrap( THREE_D_HORZ_ANGLE, -15, 0, 360 );
break;
case IDM_ROTATE_RIGHT:
add_wrap( THREE_D_HORZ_ANGLE, 15, 0, 360 );
break;
case IDM_ROTATE_UP:
add_range( THREE_D_VERT_ANGLE, 5, -90, 90 );
break;
case IDM_ROTATE_DOWN:
add_range( THREE_D_VERT_ANGLE, -5, -90, 90 );
break;
case IDM_MOVE_IN:
add_range(THREE_D_ZOOM, 10, 5, 200 );
break;
case IDM_MOVE_OUT:
add_range( THREE_D_ZOOM, -10, 5, 200 );
break;
case IDM_MORE_PERSPECTIVE:
add_range( THREE_D_PERSPECTIVE, 10, 5, 200 );
break;
case IDM_LESS_PERSPECTIVE:
add_range( THREE_D_PERSPECTIVE, -10, 5, 200 );
break;
case IDM_MORE_CONTRAST:
add_range( THREE_D_CONTRAST, 10, 0, 100 );
break;
case IDM_LESS_CONTRAST:
add_range( THREE_D_CONTRAST, -10, 0, 100 );
break;
case IDM_MORE_BRIGHTNESS:
add_range( THREE_D_BRIGHTNESS, 10, 0, 100 );
break;
case IDM_LESS_BRIGHTNESS:
add_range( THREE_D_BRIGHTNESS, -10, 0, 100 );
break;
case IDM_LIGHT_HORZ_LEFT:
three_d_set( hThree_d, THREE_D_LIGHT_HORZ, 1 );
break;
case IDM_LIGHT_HORZ_MIDDLE:
three_d_set( hThree_d, THREE_D_LIGHT_HORZ, 2 );
break;
case IDM_LIGHT_HORZ_RIGHT:
three_d_set( hThree_d, THREE_D_LIGHT_HORZ, 3 );
break;
case IDM_LIGHT_VERT_TOP:
three_d_set( hThree_d, THREE_D_LIGHT_VERT, 1 );
break;
case IDM_LIGHT_VERT_MIDDLE:
three_d_set( hThree_d, THREE_D_LIGHT_VERT, 2 );
break;
case IDM_LIGHT_VERT_BOTTOM:
three_d_set( hThree_d, THREE_D_LIGHT_VERT, 3 );
break;
case IDM_LIGHT_DEPTH_FRONT:
three_d_set( hThree_d, THREE_D_LIGHT_DEPTH, 1 );
break;
case IDM_LIGHT_DEPTH_MIDDLE:
three_d_set( hThree_d, THREE_D_LIGHT_DEPTH, 2 );
break;
case IDM_LIGHT_DEPTH_BACK:
three_d_set( hThree_d, THREE_D_LIGHT_DEPTH, 3 );
break;
default:
;
}
InvalidateRect( hwnd, &Draw_area, cmd >= IDM_FIRST_REQUIRING_CLEAR );
break;
case WM_DESTROY:
PostQuitMessage( 0 );
return( FALSE );
case WM_PAINT:
draw_stuff( hwnd );
if( Auto_run ) {
if( Auto_run == 5 ) {
PostQuitMessage( 0 );
} else {
long count;
int will_be_one;
will_be_one = 1;
for(count = 0; count < 1000000; ++ count ) will_be_one ^= 1;
Auto_run += will_be_one;
PostMessage( hwnd, WM_COMMAND,
GET_WM_COMMAND_MPS( IDM_ROTATE_LEFT, 0, 0 ) );
}
}
return( FALSE );
case WM_SIZE:
if( wparam != SIZEICONIC ) {
int old_left = Draw_area.left;
GetClientRect( hwnd, &Draw_area );
Draw_area.left = old_left;
InvalidateRect( hwnd, NULL, TRUE );
return( FALSE );
}
break;
case WM_MEASUREITEM:
measure_button( hwnd, wparam, _lparam_pointer( lparam ) );
return( TRUE );
case WM_DRAWITEM:
draw_button( wparam, _lparam_pointer( lparam ) );
return( TRUE );
}
return( DefWindowProc( hwnd, msg, wparam, lparam ) );
}
