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/* |
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* $Id$ |
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* |
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* Copyright (C) 2003-2009 JNode.org |
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* |
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* This library is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU Lesser General Public License as published |
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* by the Free Software Foundation; either version 2.1 of the License, or |
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* (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
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* License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this library; If not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*/ |
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|
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package org.jnode.vm; |
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|
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import org.jnode.system.MultiMediaMemoryResource; |
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import org.jnode.annotation.MagicPermission; |
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import org.vmmagic.unboxed.Address; |
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|
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/** |
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* Implementation class for {@link org.jnode.system.MultiMediaMemoryResource}. |
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* |
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* @author Ewout Prangsma (epr@users.sourceforge.net) |
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*/ |
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@MagicPermission |
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final class MultiMediaMemoryResourceImpl extends MemoryResourceImpl implements |
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MultiMediaMemoryResource { |
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|
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/** |
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* The multi media support class |
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*/ |
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private final VmMultiMediaSupport multiMediaSupport; |
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|
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/** |
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* @param parent |
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* @param owner |
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* @param start |
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* @param size |
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*/ |
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public MultiMediaMemoryResourceImpl(MemoryResourceImpl parent, |
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VmMultiMediaSupport mmSupport) { |
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super(parent, parent.getOwner(), parent.getAddress(), parent.getSize()); |
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this.multiMediaSupport = mmSupport; |
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} |
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|
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/** |
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* @see org.jnode.system.MultiMediaMemoryResource#setARGB32bpp(int[], int, int, int) |
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*/ |
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public final void setARGB32bpp(int[] src, int srcOfs, int dstPtr, int length) { |
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if (srcOfs < 0) { |
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throw new IndexOutOfBoundsException("srcOfs < 0"); |
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} |
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if (length < 0) { |
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throw new IndexOutOfBoundsException("length < 0"); |
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} |
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if (srcOfs + length > src.length) { |
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throw new IndexOutOfBoundsException("dstOfs + length > dst.length"); |
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} |
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testMemPtr(dstPtr, length * 4); |
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final Address srcPtr = VmMagic.getArrayData(src).add(srcOfs * 4); |
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multiMediaSupport.setARGB32bpp(srcPtr, start.add(dstPtr), length); |
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} |
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} |
