132 lines
4.6 KiB
Java
132 lines
4.6 KiB
Java
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/*
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*
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* (C) Copyright IBM Corp. 2003, All Rights Reserved
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*
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*/
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package sun.font;
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import java.awt.font.LineMetrics;
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import java.awt.font.GraphicAttribute;
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public final class CoreMetrics {
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public CoreMetrics(float ascent,
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float descent,
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float leading,
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float height,
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int baselineIndex,
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float[] baselineOffsets,
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float strikethroughOffset,
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float strikethroughThickness,
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float underlineOffset,
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float underlineThickness,
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float ssOffset,
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float italicAngle) {
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this.ascent = ascent;
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this.descent = descent;
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this.leading = leading;
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this.height = height;
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this.baselineIndex = baselineIndex;
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this.baselineOffsets = baselineOffsets;
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this.strikethroughOffset = strikethroughOffset;
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this.strikethroughThickness = strikethroughThickness;
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this.underlineOffset = underlineOffset;
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this.underlineThickness = underlineThickness;
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this.ssOffset = ssOffset;
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this.italicAngle = italicAngle;
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}
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public static CoreMetrics get(LineMetrics lm) {
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return ((FontLineMetrics)lm).cm;
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}
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public final int hashCode() {
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return Float.floatToIntBits(ascent + ssOffset);
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}
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public final boolean equals(Object rhs) {
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try {
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return equals((CoreMetrics)rhs);
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}
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catch(ClassCastException e) {
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return false;
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}
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}
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public final boolean equals(CoreMetrics rhs) {
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if (rhs != null) {
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if (this == rhs) {
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return true;
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}
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return ascent == rhs.ascent
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&& descent == rhs.descent
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&& leading == rhs.leading
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&& baselineIndex == rhs.baselineIndex
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&& baselineOffsets[0] == rhs.baselineOffsets[0]
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&& baselineOffsets[1] == rhs.baselineOffsets[1]
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&& baselineOffsets[2] == rhs.baselineOffsets[2]
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&& strikethroughOffset == rhs.strikethroughOffset
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&& strikethroughThickness == rhs.strikethroughThickness
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&& underlineOffset == rhs.underlineOffset
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&& underlineThickness == rhs.underlineThickness
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&& ssOffset == rhs.ssOffset
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&& italicAngle == rhs.italicAngle;
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}
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return false;
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}
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// fullOffsets is an array of 5 baseline offsets,
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// roman, center, hanging, bottom, and top in that order
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// this does NOT add the ssOffset
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public final float effectiveBaselineOffset(float[] fullOffsets) {
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switch (baselineIndex) {
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case GraphicAttribute.TOP_ALIGNMENT:
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return fullOffsets[4] + ascent;
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case GraphicAttribute.BOTTOM_ALIGNMENT:
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return fullOffsets[3] - descent;
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default:
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return fullOffsets[baselineIndex];
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}
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}
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public final float ascent;
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public final float descent;
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public final float leading;
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public final float height;
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public final int baselineIndex;
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public final float[] baselineOffsets; // !! this is a hole, don't expose this class
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public final float strikethroughOffset;
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public final float strikethroughThickness;
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public final float underlineOffset;
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public final float underlineThickness;
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public final float ssOffset;
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public final float italicAngle;
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}
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