/************************************************************************* * * $RCSfile: bmpacc3.cxx,v $ * * $Revision: 1.1.1.1 $ * * last change: $Author: hr $ $Date: 2000-09-18 17:05:37 $ * * The Contents of this file are made available subject to the terms of * either of the following licenses * * - GNU Lesser General Public License Version 2.1 * - Sun Industry Standards Source License Version 1.1 * * Sun Microsystems Inc., October, 2000 * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2000 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * * * Sun Industry Standards Source License Version 1.1 * ================================================= * The contents of this file are subject to the Sun Industry Standards * Source License Version 1.1 (the "License"); You may not use this file * except in compliance with the License. You may obtain a copy of the * License at http://www.openoffice.org/license.html. * * Software provided under this License is provided on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. * See the License for the specific provisions governing your rights and * obligations concerning the Software. * * The Initial Developer of the Original Code is: Sun Microsystems, Inc. * * Copyright: 2000 by Sun Microsystems, Inc. * * All Rights Reserved. * * Contributor(s): _______________________________________ * * ************************************************************************/ #define _SV_BMPACC_CXX #ifndef _SV_SALBTYPE_HXX #include #endif #ifndef _SV_BITMAP_HXX #include #endif #ifndef _SV_POLY_HXX #include #endif #ifndef _SV_REGION_HXX #include #endif #ifndef _SV_BMPACC_HXX #include #endif // --------------------- // - BitmapWriteAccess - // --------------------- void BitmapWriteAccess::Erase( const Color& rColor ) { const BitmapColor aOldFillColor( maFillColor ); const Point aPoint; const Rectangle aRect( aPoint, maBitmap.GetSizePixel() ); SetFillColor( rColor ); FillRect( aRect ); maFillColor = aOldFillColor; } // ------------------------------------------------------------------ void BitmapWriteAccess::DrawLine( const Point& rStart, const Point& rEnd ) { long nX; long nY; ImplInitDraw(); if ( rStart.X() == rEnd.X() ) { // vertikale Line const long nEndY = rEnd.Y(); nX = rStart.X(); nY = rStart.Y(); if ( nEndY > nY ) { for (; nY <= nEndY; nY++ ) SetPixel( nY, nX, maLineColor ); } else { for (; nY >= nEndY; nY-- ) SetPixel( nY, nX, maLineColor ); } } else if ( rStart.Y() == rEnd.Y() ) { // horizontale Line const long nEndX = rEnd.X(); nX = rStart.X(); nY = rStart.Y(); if ( nEndX > nX ) { for (; nX <= nEndX; nX++ ) SetPixel( nY, nX, maLineColor ); } else { for (; nX >= nEndX; nX-- ) SetPixel( nY, nX, maLineColor ); } } else { const long nDX = labs( rEnd.X() - rStart.X() ); const long nDY = labs( rEnd.Y() - rStart.Y() ); long nX1; long nY1; long nX2; long nY2; if ( nDX >= nDY ) { if ( rStart.X() < rEnd.X() ) { nX1 = rStart.X(); nY1 = rStart.Y(); nX2 = rEnd.X(); nY2 = rEnd.Y(); } else { nX1 = rEnd.X(); nY1 = rEnd.Y(); nX2 = rStart.X(); nY2 = rStart.Y(); } const long nDYX = ( nDY - nDX ) << 1; const long nDY2 = nDY << 1; long nD = nDY2 - nDX; BOOL bPos = nY1 < nY2; for ( nX = nX1, nY = nY1; nX <= nX2; nX++ ) { SetPixel( nY, nX, maLineColor ); if ( nD < 0 ) nD += nDY2; else { nD += nDYX; if ( bPos ) nY++; else nY--; } } } else { if ( rStart.Y() < rEnd.Y() ) { nX1 = rStart.X(); nY1 = rStart.Y(); nX2 = rEnd.X(); nY2 = rEnd.Y(); } else { nX1 = rEnd.X(); nY1 = rEnd.Y(); nX2 = rStart.X(); nY2 = rStart.Y(); } const long nDYX = ( nDX - nDY ) << 1; const long nDY2 = nDX << 1; long nD = nDY2 - nDY; BOOL bPos = nX1 < nX2; for ( nX = nX1, nY = nY1; nY <= nY2; nY++ ) { SetPixel( nY, nX, maLineColor ); if ( nD < 0 ) nD += nDY2; else { nD += nDYX; if ( bPos ) nX++; else nX--; } } } } } // ------------------------------------------------------------------ void BitmapWriteAccess::DrawRect( const Rectangle& rRect ) { ImplInitDraw(); FillRect( rRect ); DrawLine( rRect.TopLeft(), rRect.TopRight() ); DrawLine( rRect.TopRight(), rRect.BottomRight() ); DrawLine( rRect.BottomRight(), rRect.BottomLeft() ); DrawLine( rRect.BottomLeft(), rRect.TopLeft() ); } // ------------------------------------------------------------------ void BitmapWriteAccess::FillRect( const Rectangle& rRect ) { Point aPoint; Rectangle aRect( aPoint, maBitmap.GetSizePixel() ); aRect.Intersection( rRect ); if( !aRect.IsEmpty() ) { const long nStartX = rRect.TopLeft().X(); const long nStartY = rRect.TopLeft().Y(); const long nEndX = rRect.BottomRight().X(); const long nEndY = rRect.BottomRight().Y(); ImplInitDraw(); for( long nY = nStartY; nY <= nEndY; nY++ ) for( long nX = nStartX; nX <= nEndX; nX++ ) SetPixel( nY, nX, maFillColor ); } } // ------------------------------------------------------------------ void BitmapWriteAccess::DrawPolygon( const Polygon& rPoly ) { const USHORT nSize = rPoly.GetSize(); if( nSize ) { Region aRegion( rPoly ); Rectangle aRect; aRegion.Intersect( Rectangle( Point(), Size( Width(), Height() ) ) ); if( !aRegion.IsEmpty() ) { RegionHandle aRegHandle( aRegion.BeginEnumRects() ); ImplInitDraw(); while( aRegion.GetNextEnumRect( aRegHandle, aRect ) ) for( long nY = aRect.Top(), nEndY = aRect.Bottom(); nY <= nEndY; nY++ ) for( long nX = aRect.Left(), nEndX = aRect.Right(); nX <= nEndX; nX++ ) SetPixel( nY, nX, maFillColor ); aRegion.EndEnumRects( aRegHandle ); } if( maLineColor != maFillColor ) { for( USHORT i = 0, nSize1 = nSize - 1; i < nSize1; i++ ) DrawLine( rPoly[ i ], rPoly[ i + 1 ] ); if( rPoly[ nSize - 1 ] != rPoly[ 0 ] ) DrawLine( rPoly[ nSize - 1 ], rPoly[ 0 ] ); } } } // ------------------------------------------------------------------ void BitmapWriteAccess::DrawPolyPolygon( const PolyPolygon& rPolyPoly ) { const USHORT nCount = rPolyPoly.Count(); if( nCount ) { Region aRegion( rPolyPoly ); Rectangle aRect; aRegion.Intersect( Rectangle( Point(), Size( Width(), Height() ) ) ); if( !aRegion.IsEmpty() ) { RegionHandle aRegHandle( aRegion.BeginEnumRects() ); ImplInitDraw(); while( aRegion.GetNextEnumRect( aRegHandle, aRect ) ) for( long nY = aRect.Top(), nEndY = aRect.Bottom(); nY <= nEndY; nY++ ) for( long nX = aRect.Left(), nEndX = aRect.Right(); nX <= nEndX; nX++ ) SetPixel( nY, nX, maFillColor ); aRegion.EndEnumRects( aRegHandle ); } if( maLineColor != maFillColor ) { for( USHORT n = 0; n < nCount; ) { const Polygon& rPoly = rPolyPoly[ n++ ]; const USHORT nSize = rPoly.GetSize(); if( nSize ) { for( USHORT i = 0, nSize1 = nSize - 1; i < nSize1; i++ ) DrawLine( rPoly[ i ], rPoly[ i + 1 ] ); if( rPoly[ nSize - 1 ] != rPoly[ 0 ] ) DrawLine( rPoly[ nSize - 1 ], rPoly[ 0 ] ); } } } } }