1 /* 2 * Copyright (C) 2006 Apple Computer, Inc. All rights reserved. 3 * Copyright (C) 2010 Stephan Amus, <superstippi (at) gmx.de> 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include "config.h" 28 #include "ImageDecoder.h" 29 30 #include <Bitmap.h> 31 32 namespace WebCore { 33 34 NativeImagePtr ImageFrame::asNewNativeImage() const 35 { 36 int bytesPerRow = width() * sizeof(PixelData); 37 OwnPtr<BBitmap> bitmap(new BBitmap(BRect(0, 0, width() - 1, height() - 1), 0, B_RGBA32, bytesPerRow)); 38 39 const uint8* source = reinterpret_cast<const uint8*>(m_bytes); 40 uint8* destination = reinterpret_cast<uint8*>(bitmap->Bits()); 41 int h = height(); 42 int w = width(); 43 for (int y = 0; y < h; y++) { 44 #if 0 45 // FIXME: Enable this conversion once Haiku has B_RGBA32P[remultiplied]... 46 memcpy(dst, source, bytesPerRow); 47 #else 48 const uint8* sourceHandle = source; 49 uint8* destinationHandle = destination; 50 for (int x = 0; x < w; x++) { 51 if (sourceHandle[3] == 255 || !sourceHandle[3]) { 52 destinationHandle[0] = sourceHandle[0]; 53 destinationHandle[1] = sourceHandle[1]; 54 destinationHandle[2] = sourceHandle[2]; 55 destinationHandle[3] = sourceHandle[3]; 56 } else { 57 destinationHandle[0] = static_cast<uint16>(sourceHandle[0]) * 255 / sourceHandle[3]; 58 destinationHandle[1] = static_cast<uint16>(sourceHandle[1]) * 255 / sourceHandle[3]; 59 destinationHandle[2] = static_cast<uint16>(sourceHandle[2]) * 255 / sourceHandle[3]; 60 destinationHandle[3] = sourceHandle[3]; 61 } 62 destinationHandle += 4; 63 sourceHandle += 4; 64 } 65 #endif 66 destination += bytesPerRow; 67 source += bytesPerRow; 68 } 69 70 return bitmap.release(); 71 } 72 73 } // namespace WebCore 74 75
