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Java example source code file (awt_IconCursor.cpp)
The awt_IconCursor.cpp Java example source code/* * 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); } } Other Java examples (source code examples)Here is a short list of links related to this Java awt_IconCursor.cpp source code file: |
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