| /* |
| * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include "awt_IconCursor.h" |
| |
| /* common code used by awt_Frame.cpp and awt_Cursor.cpp */ |
| |
| HBITMAP create_BMP(HWND hW,int* imageData,int nSS, int nW, int nH) |
| { |
| Bitmapheader bmhHeader; |
| HDC hDC; |
| char *ptrImageData; |
| HBITMAP hbmpBitmap; |
| HBITMAP hBitmap; |
| |
| int nNumChannels = 3; |
| |
| if (!hW) { |
| hW = ::GetDesktopWindow(); |
| } |
| hDC = ::GetDC(hW); |
| if (!hDC) { |
| return NULL; |
| } |
| |
| memset(&bmhHeader, 0, sizeof(Bitmapheader)); |
| bmhHeader.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); |
| bmhHeader.bmiHeader.biWidth = nW; |
| bmhHeader.bmiHeader.biHeight = -nH; |
| bmhHeader.bmiHeader.biPlanes = 1; |
| |
| bmhHeader.bmiHeader.biBitCount = 24; |
| bmhHeader.bmiHeader.biCompression = BI_RGB; |
| |
| hbmpBitmap = ::CreateDIBSection(hDC, (BITMAPINFO*)&(bmhHeader), |
| DIB_RGB_COLORS, |
| (void**)&(ptrImageData), |
| NULL, 0); |
| int *srcPtr = imageData; |
| char *dstPtr = ptrImageData; |
| if (!dstPtr) { |
| ReleaseDC(hW, hDC); |
| return NULL; |
| } |
| for (int nOutern = 0; nOutern < nH; nOutern++ ) { |
| for (int nInner = 0; nInner < nSS; nInner++ ) { |
| dstPtr[2] = (*srcPtr >> 0x10) & 0xFF; |
| dstPtr[1] = (*srcPtr >> 0x08) & 0xFF; |
| dstPtr[0] = *srcPtr & 0xFF; |
| |
| srcPtr++; |
| dstPtr += nNumChannels; |
| } |
| } |
| |
| // convert it into DDB to make CustomCursor work on WIN95 |
| hBitmap = CreateDIBitmap(hDC, |
| (BITMAPINFOHEADER*)&bmhHeader, |
| CBM_INIT, |
| (void *)ptrImageData, |
| (BITMAPINFO*)&bmhHeader, |
| DIB_RGB_COLORS); |
| |
| ::DeleteObject(hbmpBitmap); |
| ::ReleaseDC(hW, hDC); |
| ::GdiFlush(); |
| return hBitmap; |
| } |
| |
| void destroy_BMP(HBITMAP hBMP) |
| { |
| if (hBMP) { |
| ::DeleteObject(hBMP); |
| } |
| } |