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Java example source code file (awt_BitmapUtil.h)
The awt_BitmapUtil.h Java example source code/* * Copyright (c) 2006, 2009, 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. */ #ifndef AWT_BITMAP_UTIL_H #define AWT_BITMAP_UTIL_H class BitmapUtil { public: /** * Creates B&W Bitmap with transparency mask from specified ARGB input data * 0 for opaque pixels, 1 for transparent. * MSDN article for ICONINFO says that 'for color icons, this mask only * defines the AND bitmask of the icon'. That's wrong! If mask bit for * specific pixel is 0, the pixel is drawn opaque, otherwise it's XORed * with background. */ static HBITMAP CreateTransparencyMaskFromARGB(int width, int height, int* imageData); /** * Creates 32-bit ARGB V4 Bitmap (Win95-compatible) from specified ARGB input data * The color for transparent pixels (those with 0 alpha) is reset to 0 (BLACK) * to prevent errors on systems prior to XP. */ static HBITMAP CreateV4BitmapFromARGB(int width, int height, int* imageData); /** * Creates 32-bit premultiplied ARGB V4 Bitmap (Win95-compatible) from * specified ARGB Pre input data. */ static HBITMAP CreateBitmapFromARGBPre(int width, int height, int srcStride, int* imageData); /** * Transforms the given bitmap into an HRGN representing the transparency * of the bitmap. */ static HRGN BitmapToRgn(HBITMAP hBitmap); /** * Makes a copy of the given bitmap. Blends every pixel of the source * with the given blendColor and alpha. If alpha == 0, the function * simply makes a plain copy of the source without any blending. */ static HBITMAP BlendCopy(HBITMAP hSrcBitmap, COLORREF blendColor, BYTE alpha); /** * Creates a 32 bit ARGB bitmap. Returns the bitmap handle. * The pointer to the bitmap data is stored into bitmapBitsPtr. */ static HBITMAP CreateARGBBitmap(int width, int height, void ** bitmapBitsPtr); }; #endif Other Java examples (source code examples)Here is a short list of links related to this Java awt_BitmapUtil.h source code file: |
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