1 /*
  2  * Copyright (c) 2012, 2016, 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 test.com.sun.javafx.pgstub;
 27 
 28 import com.sun.javafx.geom.BaseBounds;
 29 import com.sun.javafx.geom.Path2D;
 30 import com.sun.javafx.geom.RectBounds;
 31 import com.sun.javafx.geom.Shape;
 32 import com.sun.javafx.scene.text.*;
 33 import javafx.scene.shape.PathElement;
 34 import javafx.scene.text.Font;
 35 
 36 public class StubTextLayout implements TextLayout {
 37 
 38     @Override
 39     public boolean setContent(TextSpan[] spans) {
 40         return true;
 41     }
 42 
 43     private String text;
 44     private Font font;
 45     @Override
 46     public boolean setContent(String text, Object font) {
 47         this.text = text;
 48         final StubFontLoader.StubFont stub = ((StubFontLoader.StubFont)font);
 49         this.font = stub == null ? null : stub.font;
 50         return true;
 51     }
 52 
 53     @Override
 54     public boolean setAlignment(int alignment) {
 55         return true;
 56     }
 57 
 58     @Override
 59     public boolean setWrapWidth(float wrapWidth) {
 60         return true;
 61     }
 62 
 63     @Override
 64     public boolean setLineSpacing(float spacing) {
 65         return true;
 66     }
 67 
 68     @Override
 69     public boolean setDirection(int direction) {
 70         return true;
 71     }
 72 
 73     @Override
 74     public boolean setBoundsType(int type) {
 75         return true;
 76     }
 77 
 78     @Override
 79     public BaseBounds getBounds() {
 80         return getBounds(null, new RectBounds());
 81     }
 82 
 83     @Override
 84     public BaseBounds getBounds(TextSpan filter, BaseBounds bounds) {
 85         final double fontSize = (font == null ? 0 : ((Font)font).getSize());
 86         final String[] lines = text.split("\n");
 87         double width = 0.0;
 88         double height = fontSize * lines.length;
 89         for (String line : lines) {
 90             width = Math.max(width, fontSize * line.length());
 91         }
 92         return bounds.deriveWithNewBounds(0, (float)-fontSize, 0,
 93                 (float)width, (float)(height-fontSize), 0);
 94     }
 95 
 96     class StubTextLine implements TextLine {
 97         @Override public GlyphList[] getRuns() {
 98             return new GlyphList[0];
 99         }
100         @Override public RectBounds getBounds() {
101             return new RectBounds();
102         }
103         @Override public float getLeftSideBearing() {
104             return 0;
105         }
106         @Override public float getRightSideBearing() {
107             return 0;
108         }
109         @Override public int getStart() {
110             return 0;
111         }
112         @Override public int getLength() {
113             return 0;
114         }
115     }
116 
117     @Override
118     public TextLine[] getLines() {
119         return new TextLine[] {new StubTextLine()};
120     }
121 
122     @Override
123     public GlyphList[] getRuns() {
124         return new GlyphList[0];
125     }
126 
127     @Override
128     public Shape getShape(int type, TextSpan filter) {
129         return new Path2D();
130     }
131 
132     @Override
133     public Hit getHitInfo(float x, float y) {
134         // TODO this probably needs to be entirely rewritten...
135         if (text == null) {
136             return new Hit(0, -1, true);
137         }
138 
139         final double fontSize = (font == null ? 0 : ((Font)font).getSize());
140         final String[] lines = text.split("\n");
141         int lineIndex = Math.min(lines.length - 1, (int) (y / fontSize));
142         if (lineIndex >= lines.length) {
143             throw new IllegalStateException("Asked for hit info out of y range: x=" + x + "y=" +
144                     + y + "text='" + text + "', lineIndex=" + lineIndex + ", numLines=" + lines.length +
145                     ", fontSize=" + fontSize);
146         }
147         int offset = 0;
148         for (int i=0; i<lineIndex; i++) {
149             offset += lines[i].length() + 1; // add in the \n
150         }
151 
152         int charPos = (int) (x / lines[lineIndex].length());
153         if (charPos + offset > text.length()) {
154             throw new IllegalStateException("Asked for hit info out of x range");
155         }
156 
157         return new Hit(offset + charPos, -1, true);
158     }
159 
160     @Override
161     public PathElement[] getCaretShape(int offset, boolean isLeading, float x,
162             float y) {
163         return new PathElement[0];
164     }
165 
166     @Override
167     public PathElement[] getRange(int start, int end, int type, float x, float y) {
168         return new PathElement[0];
169     }
170 
171     @Override
172     public BaseBounds getVisualBounds(int type) {
173         return new RectBounds();
174     }
175 
176 }