/* * 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 */