1 /* 2 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #ifndef _AWT_DCHolder_H 27 #define _AWT_DCHolder_H 28 29 struct DCHolder 30 { 31 HDC m_hMemoryDC; 32 int m_iWidth; 33 int m_iHeight; 34 BOOL m_bForImage; 35 HBITMAP m_hBitmap; 36 HBITMAP m_hOldBitmap; 37 void *m_pPoints; 38 39 DCHolder(); 40 ~DCHolder(); 41 42 void Create( 43 HDC hRelDC, 44 int iWidth, 45 int iHeght, 46 BOOL bForImage); 47 HDCDCHolder48 operator HDC() 49 { 50 if (NULL == m_hOldBitmap && NULL != m_hBitmap) { 51 m_hOldBitmap = (HBITMAP)::SelectObject(m_hMemoryDC, m_hBitmap); 52 } 53 return m_hMemoryDC; 54 } 55 HBITMAPDCHolder56 operator HBITMAP() 57 { 58 if (NULL != m_hOldBitmap) { 59 m_hBitmap = (HBITMAP)::SelectObject(m_hMemoryDC, m_hOldBitmap); 60 m_hOldBitmap = NULL; 61 } 62 return m_hBitmap; 63 } 64 65 static HBITMAP CreateJavaContextBitmap( 66 HDC hdc, 67 int iWidth, 68 int iHeight, 69 void **ppPoints); 70 }; 71 72 #endif //_AWT_DCHolder_H 73