1 /*
   2  * Copyright (c) 2010, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.java2d.xr;
  27 
  28 /**
  29  * XRender pipeline backend interface.
  30  * Currently there are two different backends implemented:
  31  * - XRBackendNative: Native 1:1 binding with libX11.
  32  * - XRBackendDeferred: Deferrs protocol submission, so that aa tiles
  33  *   can be submitted in one go.
  34  */
  35 
  36 import java.awt.geom.*;
  37 import java.util.*;
  38 
  39 import sun.font.*;
  40 import sun.java2d.pipe.*;
  41 
  42 public interface XRBackend {
  43 
  44     public void initResources(int parentXID);
  45     
  46     public void freePicture(int picture);
  47 
  48     public void freePixmap(int pixmap);
  49 
  50     public int createPixmap(int drawable, int depth, int width, int height);
  51 
  52     public int createPicture(int drawable, int formatID);
  53 
  54     public long createGC(int drawable);
  55 
  56     public void freeGC(long gc); /* TODO: Use!! */
  57 
  58     public void copyArea(int src, int dst, long gc, int srcx, int srcy,
  59                          int width, int height, int dstx, int dsty);
  60     
  61     public void maskedComposite(byte op, int src, int eaMask, int dst, 
  62             int srcX, int srcY, int dstX, int dstY, int width, 
  63             int height, int maskScan, int maskOff, byte[] mask, float ea);
  64 
  65     public void setGCClipRectangles(long gc, Region clip);
  66 
  67     public void GCRectangles(int drawable, long gc, GrowableRectArray rects);
  68 
  69     public void setClipRectangles(int picture, Region clip);
  70 
  71     public void setGCExposures(long gc, boolean exposure);
  72 
  73     public void setGCForeground(long gc, int pixel);
  74 
  75     public void setPictureTransform(int picture, AffineTransform transform);
  76 
  77     public void setPictureRepeat(int picture, int repeat);
  78 
  79     public void setFilter(int picture, int filter);
  80 
  81     public void renderRectangle(int dst, byte op, XRColor color,
  82                                 int x, int y, int width, int height);
  83 
  84     public void renderRectangles(int dst, byte op, XRColor color,
  85                                  GrowableRectArray rects);
  86 
  87     public void renderComposite(byte op, int src, int mask, int dst,
  88                                 int srcX, int srcY, int maskX, int maskY,
  89                                 int dstX, int dstY, int width, int height);
  90 
  91     public int XRenderCreateGlyphSet(int formatID);
  92 
  93     public void XRenderAddGlyphs(int glyphSet, GlyphList gl,
  94                                  List<XRGlyphCacheEntry> cacheEntries,
  95                                  byte[] pixelData);
  96 
  97     public void XRenderFreeGlyphs(int glyphSet, int[] gids);
  98 
  99     public void XRenderCompositeText(byte op, int src, int dst,
 100                                      int maskFormatID,
 101                                      int xSrc, int ySrc, int xDst, int yDst,
 102                                      int glyphset, GrowableEltArray elts);
 103 
 104     public int createRadialGradient(float centerX, float centerY,
 105                                     float innerRadius, float outerRadius,
 106                                     float[] fractions, int[] pixels,
 107                                     int repeat);
 108 
 109     public int createLinearGradient(Point2D p1, Point2D p2, float[] fractions,
 110                                     int[] pixels, int repeat);
 111 
 112     public void setGCMode(long gc, boolean copy);
 113 
 114 }