0N/A/*
2362N/A * Copyright (c) 2006, 2009, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
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0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/A#ifndef AWT_BITMAP_UTIL_H
0N/A#define AWT_BITMAP_UTIL_H
0N/A
0N/Aclass BitmapUtil {
0N/Apublic:
0N/A /**
0N/A * Creates B&W Bitmap with transparency mask from specified ARGB input data
0N/A * 0 for opaque pixels, 1 for transparent.
0N/A * MSDN article for ICONINFO says that 'for color icons, this mask only
0N/A * defines the AND bitmask of the icon'. That's wrong! If mask bit for
0N/A * specific pixel is 0, the pixel is drawn opaque, otherwise it's XORed
0N/A * with background.
0N/A */
0N/A static HBITMAP CreateTransparencyMaskFromARGB(int width, int height, int* imageData);
0N/A
0N/A /**
0N/A * Creates 32-bit ARGB V4 Bitmap (Win95-compatible) from specified ARGB input data
0N/A * The color for transparent pixels (those with 0 alpha) is reset to 0 (BLACK)
0N/A * to prevent errors on systems prior to XP.
0N/A */
0N/A static HBITMAP CreateV4BitmapFromARGB(int width, int height, int* imageData);
0N/A
1045N/A /**
1045N/A * Creates 32-bit premultiplied ARGB V4 Bitmap (Win95-compatible) from
1045N/A * specified ARGB Pre input data.
1045N/A */
1045N/A static HBITMAP CreateBitmapFromARGBPre(int width, int height,
1045N/A int srcStride,
1045N/A int* imageData);
1045N/A
1045N/A /**
1045N/A * Transforms the given bitmap into an HRGN representing the transparency
1045N/A * of the bitmap.
1045N/A */
1045N/A static HRGN BitmapToRgn(HBITMAP hBitmap);
1045N/A
1045N/A /**
1045N/A * Makes a copy of the given bitmap. Blends every pixel of the source
1045N/A * with the given blendColor and alpha. If alpha == 0, the function
1045N/A * simply makes a plain copy of the source without any blending.
1045N/A */
1045N/A static HBITMAP BlendCopy(HBITMAP hSrcBitmap, COLORREF blendColor, BYTE alpha);
1045N/A
1045N/A /**
1045N/A * Creates a 32 bit ARGB bitmap. Returns the bitmap handle.
1045N/A * The pointer to the bitmap data is stored into bitmapBitsPtr.
1045N/A */
1045N/A static HBITMAP CreateARGBBitmap(int width, int height, void ** bitmapBitsPtr);
0N/A};
0N/A
0N/A#endif