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/*
 * Copyright (c) 2012, 2013, 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
 * or visit www.oracle.com if you need additional information or have any
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 */

package com.sun.prism.sw;

import com.sun.javafx.geom.transform.BaseTransform;
import com.sun.pisces.Transform6;

final class SWUtils {

    static final int TO_PISCES = 65536;

    static int fastFloor(final float f) {
        final int n = (int)f;
        return ((f < 0) && (f != n)) ? n-1 : n;
    }

    static int fastCeil(final float f) {
        final int n = (int)f;
        return ((f >= 0) && (f != n)) ? n+1 : n;
    }

    static void convertToPiscesTransform(BaseTransform prismTx, Transform6 piscesTx) {
        piscesTx.m00 = (int) (TO_PISCES * prismTx.getMxx());
        piscesTx.m10 = (int) (TO_PISCES * prismTx.getMyx());
        piscesTx.m01 = (int) (TO_PISCES * prismTx.getMxy());
        piscesTx.m11 = (int) (TO_PISCES * prismTx.getMyy());
        piscesTx.m02 = (int) (TO_PISCES * prismTx.getMxt());
        piscesTx.m12 = (int) (TO_PISCES * prismTx.getMyt());
    }
}