JDK8/Java8源码在线阅读

/*
 * Copyright (c) 2003, 2006, Oracle and/or its affiliates. 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package sun.java2d.opengl;

import java.awt.Composite;
import sun.font.GlyphList;
import sun.java2d.SunGraphics2D;
import sun.java2d.loops.GraphicsPrimitive;
import sun.java2d.pipe.BufferedTextPipe;
import sun.java2d.pipe.RenderQueue;

class OGLTextRenderer extends BufferedTextPipe {

    OGLTextRenderer(RenderQueue rq) {
        super(rq);
    }

    @Override
    protected native void drawGlyphList(int numGlyphs, boolean usePositions,
                                        boolean subPixPos, boolean rgbOrder,
                                        int lcdContrast,
                                        float glOrigX, float glOrigY,
                                        long[] images, float[] positions);

    @Override
    protected void validateContext(SunGraphics2D sg2d, Composite comp) {
        // assert rq.lock.isHeldByCurrentThread();
        OGLSurfaceData oglDst = (OGLSurfaceData)sg2d.surfaceData;
        OGLContext.validateContext(oglDst, oglDst,
                                   sg2d.getCompClip(), comp,
                                   null, sg2d.paint, sg2d,
                                   OGLContext.NO_CONTEXT_FLAGS);
    }

    OGLTextRenderer traceWrap() {
        return new Tracer(this);
    }


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