void _world_ellipse(
/******************/
int fill_type,
int px1,
int py1,
int px2,
int py2
) {
HPEN pen;
HBRUSH brush;
get_obj_settings( fill_type, &pen, &brush );
_wpi_ellipse( Win_dc, px1, py1, px2, py2 );
if( fill_type == FILL_BORDER ) {
rgn_ellipse_border( px1, py1, px2, py2 );
} else {
rgn_ellipse( px1, py1, px2, py2 );
}
del_obj_settings( fill_type, pen, brush );
}
/*
* OutlineRegion - displays the potential region (rectangle or ellipse)
* on the draw area.
*/
void OutlineRegion( HWND hwnd, WPI_POINT *start_pt, WPI_POINT *end_pt,
WPI_POINT *prev_pt, BOOL firsttime )
{
WPI_POINT topleft;
WPI_POINT bottomright;
WPI_POINT prevtl; // previous top left point
WPI_POINT prevbr; // previous bottom right point
int prevROP2;
HBRUSH hbrush;
HBRUSH holdbrush;
HPEN hwhitepen;
HPEN holdpen;
int temp;
WPI_PRES pres;
CheckBounds( hwnd, start_pt );
CheckBounds( hwnd, end_pt );
CheckBounds( hwnd, prev_pt );
_wpi_setpoint(&topleft, MAKELOGPTX(start_pt->x), MAKELOGPTY(start_pt->y));
_wpi_setpoint(&bottomright, MAKELOGPTX(end_pt->x), MAKELOGPTY(end_pt->y));
if (topleft.x > bottomright.x) {
temp = (short)bottomright.x;
bottomright.x = topleft.x + pointSize.x;
topleft.x = temp;
} else {
bottomright.x += pointSize.x;
}
if (topleft.y > bottomright.y) {
temp = (int)bottomright.y;
bottomright.y = topleft.y + pointSize.y;
topleft.y = temp;
} else {
bottomright.y += pointSize.y;
}
prevtl.x = MAKELOGPTX( start_pt->x );
prevtl.y = MAKELOGPTY( start_pt->y );
prevbr.x = MAKELOGPTX( prev_pt->x );
prevbr.y = MAKELOGPTY( prev_pt->y );
if (prevtl.x > prevbr.x) {
temp = (int)prevbr.x;
prevbr.x = prevtl.x + pointSize.x;
prevtl.x = temp;
} else {
prevbr.x += pointSize.x;
}
if (prevtl.y > prevbr.y) {
temp = (int)prevbr.y;
prevbr.y = prevtl.y + pointSize.y;
prevtl.y = temp;
} else {
prevbr.y += pointSize.y;
}
++prevtl.x;
++prevtl.y;
++topleft.x;
++topleft.y;
pres = _wpi_getpres( hwnd );
_wpi_torgbmode( pres );
prevROP2 = _wpi_setrop2( pres, R2_XORPEN );
hbrush = _wpi_createsolidbrush( BLACK );
hwhitepen = _wpi_createpen( PS_SOLID, 0, WHITE );
holdbrush = _wpi_selectobject( pres, hbrush );
holdpen = _wpi_selectobject( pres, hwhitepen );
if (!firsttime) {
if ((toolType == IMGED_CIRCLEO) || (toolType == IMGED_CIRCLEF)) {
_wpi_ellipse( pres, prevtl.x, prevtl.y, prevbr.x, prevbr.y );
} else {
_wpi_rectangle( pres, prevtl.x, prevtl.y, prevbr.x, prevbr.y );
}
}
if ((toolType == IMGED_CIRCLEO) || (toolType == IMGED_CIRCLEF)) {
_wpi_ellipse( pres, topleft.x, topleft.y, bottomright.x, bottomright.y );
} else {
_wpi_rectangle( pres, topleft.x, topleft.y, bottomright.x, bottomright.y );
}
_wpi_selectobject( pres, holdpen );
_wpi_selectobject( pres, holdbrush );
_wpi_deleteobject( hwhitepen );
_wpi_deleteobject( hbrush );
_wpi_setrop2( pres, prevROP2 );
_wpi_releasepres( hwnd, pres );
} /* OutlineRegion */
/*
* RegionXorAnd - Draws a filled or framed region (ellipse or rectangle) in
* the View window.
*/
void RegionXorAnd( COLORREF xorcolour, COLORREF andcolour, BOOL fFillRgn,
WPI_RECT *r, BOOL is_rect )
{
HBRUSH oldbrush;
HBRUSH hbrush;
HPEN oldpen;
HPEN hpen;
WPI_PRES mempres;
HDC memdc;
WPI_PRES pres;
HBITMAP oldbitmap;
int left;
int top;
int right;
int bottom;
pres = _wpi_getpres( HWND_DESKTOP );
mempres = _wpi_createcompatiblepres( pres, Instance, &memdc );
_wpi_releasepres( HWND_DESKTOP, pres );
_wpi_torgbmode( mempres );
hpen = _wpi_createpen( PS_SOLID, 0, xorcolour );
oldpen = _wpi_selectobject( mempres, hpen );
oldbitmap = _wpi_selectobject( mempres, activeImage->hxorbitmap );
if ( fFillRgn ) {
hbrush = _wpi_createsolidbrush( xorcolour );
} else {
hbrush = _wpi_createnullbrush();
}
oldbrush = _wpi_selectobject( mempres, hbrush );
_wpi_getintrectvalues( *r, &left, &top, &right, &bottom );
if (is_rect) {
_wpi_rectangle( mempres, left, top, right, bottom );
} else {
_wpi_ellipse( mempres, left, top, right, bottom );
}
_wpi_selectobject( mempres, oldpen );
_wpi_deletepen( hpen );
_wpi_selectobject( mempres, oldbrush );
_wpi_selectobject( mempres, oldbitmap );
if (fFillRgn) {
_wpi_deleteobject( hbrush );
} else {
_wpi_deletenullbrush( hbrush );
}
if( activeImage->imgtype == BITMAP_IMG ) {
_wpi_deletecompatiblepres( mempres, memdc );
return;
}
hpen = _wpi_createpen( PS_SOLID, 0, andcolour );
oldpen = _wpi_selectobject( mempres, hpen );
oldbitmap = _wpi_selectobject( mempres, activeImage->handbitmap );
if ( fFillRgn ) {
hbrush = _wpi_createsolidbrush( andcolour );
} else {
hbrush = _wpi_createnullbrush();
}
oldbrush = _wpi_selectobject( mempres, hbrush );
if (is_rect) {
_wpi_rectangle( mempres, left, top, right, bottom );
} else {
_wpi_ellipse( mempres, left, top, right, bottom );
}
_wpi_selectobject( mempres, oldpen );
_wpi_deletepen( hpen );
_wpi_selectobject( mempres, oldbrush );
_wpi_selectobject( mempres, oldbitmap );
if (fFillRgn) {
_wpi_deleteobject( hbrush );
} else {
_wpi_deletenullbrush( hbrush );
}
_wpi_deletecompatiblepres( mempres, memdc );
} /* RegionXorAnd */