| /* |
| * Copyright 2002-2008 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package sun.java2d.windows; |
| |
| import java.awt.Composite; |
| import sun.java2d.loops.GraphicsPrimitive; |
| import sun.java2d.loops.GraphicsPrimitiveMgr; |
| import sun.java2d.loops.CompositeType; |
| import sun.java2d.loops.SurfaceType; |
| import sun.java2d.loops.Blit; |
| import sun.java2d.pipe.Region; |
| import sun.java2d.SurfaceData; |
| |
| /** |
| * GDIBlitLoops |
| * |
| * This class accelerates Blits between certain surfaces and the |
| * screen, using GDI. The reason for these loops is to find |
| * a way of copying to the screen without using DDraw locking |
| * that is faster than our current fallback (which creates |
| * a temporary GDI DIB) |
| */ |
| public class GDIBlitLoops extends Blit { |
| |
| // Store these values to be passed to native code |
| int rmask, gmask, bmask; |
| |
| // Needs lookup table (for indexed color image copies) |
| boolean indexed = false; |
| |
| /** |
| * Note that we do not register loops to 8-byte destinations. This |
| * is due to faster processing of dithering through our software |
| * loops than through GDI StretchBlt processing. |
| */ |
| public static void register() |
| { |
| GraphicsPrimitive[] primitives = { |
| new GDIBlitLoops(SurfaceType.IntRgb, |
| GDIWindowSurfaceData.AnyGdi), |
| new GDIBlitLoops(SurfaceType.Ushort555Rgb, |
| GDIWindowSurfaceData.AnyGdi, |
| 0x7C00, 0x03E0, 0x001F), |
| new GDIBlitLoops(SurfaceType.Ushort565Rgb, |
| GDIWindowSurfaceData.AnyGdi, |
| 0xF800, 0x07E0, 0x001F), |
| new GDIBlitLoops(SurfaceType.ThreeByteBgr, |
| GDIWindowSurfaceData.AnyGdi), |
| new GDIBlitLoops(SurfaceType.ByteIndexedOpaque, |
| GDIWindowSurfaceData.AnyGdi, |
| true), |
| new GDIBlitLoops(SurfaceType.Index8Gray, |
| GDIWindowSurfaceData.AnyGdi, |
| true), |
| new GDIBlitLoops(SurfaceType.ByteGray, |
| GDIWindowSurfaceData.AnyGdi), |
| }; |
| GraphicsPrimitiveMgr.register(primitives); |
| } |
| |
| /** |
| * This constructor exists for srcTypes that have no need of |
| * component masks. GDI only expects masks for 2- and 4-byte |
| * DIBs, so all 1- and 3-byte srcTypes can skip the mask setting. |
| */ |
| public GDIBlitLoops(SurfaceType srcType, SurfaceType dstType) { |
| this(srcType, dstType, 0, 0, 0); |
| } |
| |
| /** |
| * This constructor exists for srcTypes that need lookup tables |
| * during image copying. |
| */ |
| public GDIBlitLoops(SurfaceType srcType, SurfaceType dstType, |
| boolean indexed) |
| { |
| this(srcType, dstType, 0, 0, 0); |
| this.indexed = indexed; |
| } |
| |
| /** |
| * This constructor sets mask for this primitive which can be |
| * retrieved in native code to set the appropriate values for GDI. |
| */ |
| public GDIBlitLoops(SurfaceType srcType, SurfaceType dstType, |
| int rmask, int gmask, int bmask) |
| { |
| super(srcType, CompositeType.SrcNoEa, dstType); |
| this.rmask = rmask; |
| this.gmask = gmask; |
| this.bmask = bmask; |
| } |
| |
| /** |
| * nativeBlit |
| * This native method is where all of the work happens in the |
| * accelerated Blit. |
| */ |
| public native void nativeBlit(SurfaceData src, SurfaceData dst, |
| Region clip, |
| int sx, int sy, int dx, int dy, |
| int w, int h, |
| int rmask, int gmask, int bmask, |
| boolean needLut); |
| |
| /** |
| * Blit |
| * This method wraps the nativeBlit call, sending in additional |
| * info on whether the native method needs to get LUT info |
| * from the source image. Note that we do not pass in the |
| * Composite data because we only register these loops for |
| * SrcNoEa composite operations. |
| */ |
| public void Blit(SurfaceData src, SurfaceData dst, |
| Composite comp, Region clip, |
| int sx, int sy, int dx, int dy, int w, int h) |
| { |
| nativeBlit(src, dst, clip, sx, sy, dx, dy, w, h, |
| rmask, gmask, bmask, indexed); |
| } |
| |
| |
| } |