/*
* OutlineRectangle - outline a rectangle with the XOR pen
*/
void OutlineRectangle( bool firsttime, WPI_PRES pres, WPI_RECT *prevrc, WPI_RECT *newrc )
{
int prevrop2;
HBRUSH holdbrush;
HBRUSH nullbrush;
HPEN holdpen;
HPEN whitepen;
int left, top, right, bottom;
_wpi_torgbmode( pres );
nullbrush = _wpi_createnullbrush();
whitepen = _wpi_createpen( PS_SOLID, 0, WHITE );
holdbrush = _wpi_selectobject( pres, nullbrush );
holdpen = _wpi_selectobject( pres, whitepen );
prevrop2 = _wpi_setrop2( pres, R2_XORPEN );
if( !firsttime ) {
_wpi_getintrectvalues( *prevrc, &left, &top, &right, &bottom );
/*
* In this case don't call _wpi_convertheight because of the
* way the rectangle values are set in iedraw.c
*/
_wpi_rectangle( pres, left, top, right, bottom );
}
_wpi_getintrectvalues( *newrc, &left, &top, &right, &bottom );
_wpi_rectangle( pres, left, top, right, bottom );
_wpi_selectobject( pres, holdbrush );
_wpi_selectobject( pres, holdpen );
_wpi_setrop2( pres, prevrop2 );
_wpi_deleteobject( whitepen );
_wpi_deletenullbrush( nullbrush );
} /* OutlineRectangle */
void _winitwindow(
/****************/
/* this must be called once before using any of the other window functions */
WPI_RECT *area
) {
int left, right, top, bottom;
_wpi_getintrectvalues( *area, &left, &top, &right, &bottom );
Width = right - left;
Height = bottom - top;
Win_x_start = left;
Win_y_start = top;
#if 0
/* if Windows 3.0 worked intelligently, the following code would
also work. But 'GetDeviceCaps' for metafiles hangs! */
if( GetDeviceCaps( Win_dc, TECHNOLOGY ) == DT_METAFILE ) {
/* metafiles don't have arbitary coords... assume square pixels */
Aspect_ratio = ( float ) Height / (float) Width;
} else {
Aspect_ratio = ((float)Height / GetDeviceCaps( Win_dc, LOGPIXELSY ) ) /
( (float)Width / GetDeviceCaps( Win_dc, LOGPIXELSX ) );
}
#else
if( Is_metafile ) {
/* BIG assumption with metafiles: use LAST real device's Aspect
ratio and logical information */
} else {
Log_x = _wpi_devicecapableinch( Win_dc, LOGPIXELSX );
Log_y = _wpi_devicecapableinch( Win_dc, LOGPIXELSY );
Aspect_ratio = ((float)Height / Log_y) / ((float)Width / Log_x);
Pixel_aspect_ratio = (float)Log_y / (float)Log_x;
}
#endif
}
/*
* 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 */