| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.fonts; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.invocation.InvocationOnMock; |
| import org.mockito.stubbing.Answer; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.mockito.ArgumentMatchers.anyInt; |
| import static org.mockito.ArgumentMatchers.eq; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import org.apache.fop.datatypes.PercentBaseContext; |
| import org.apache.fop.fo.Constants; |
| import org.apache.fop.fo.FOEventHandler; |
| import org.apache.fop.fo.FOText; |
| import org.apache.fop.fo.PropertyList; |
| import org.apache.fop.fo.expr.PropertyException; |
| import org.apache.fop.fo.properties.CommonFont; |
| import org.apache.fop.fo.properties.EnumProperty; |
| import org.apache.fop.fo.properties.FixedLength; |
| import org.apache.fop.fo.properties.FontFamilyProperty; |
| import org.apache.fop.fo.properties.NumberProperty; |
| import org.apache.fop.fo.properties.Property; |
| |
| |
| public class FontSelectorTestCase { |
| |
| private static final FontTriplet LATIN_FONT_TRIPLET = new FontTriplet("Verdana", "normal", 400); |
| private static final FontTriplet EMOJI_FONT_TRIPLET = new FontTriplet("Emoji", "normal", 400); |
| |
| private FOText foText; |
| private PercentBaseContext context; |
| private Font latinFont; |
| private Font emojiFont; |
| |
| @Before |
| public void setUp() throws Exception { |
| FontTriplet[] fontState = new FontTriplet[] { LATIN_FONT_TRIPLET, EMOJI_FONT_TRIPLET }; |
| |
| foText = mock(FOText.class); |
| context = mock(PercentBaseContext.class); |
| FOEventHandler eventHandler = mock(FOEventHandler.class); |
| FontInfo fontInfo = mock(FontInfo.class); |
| CommonFont commonFont = makeCommonFont(); |
| latinFont = mock(Font.class, "Latin Font"); |
| emojiFont = mock(Font.class, "Emoji Font"); |
| |
| when(eventHandler.getFontInfo()).thenReturn(fontInfo); |
| when(foText.getFOEventHandler()).thenReturn(eventHandler); |
| when(foText.getCommonFont()).thenReturn(commonFont); |
| when(commonFont.getFontState(fontInfo)).thenReturn(fontState); |
| when(fontInfo.getFontInstance(eq(LATIN_FONT_TRIPLET), anyInt())).thenReturn(latinFont); |
| when(fontInfo.getFontInstance(eq(EMOJI_FONT_TRIPLET), anyInt())).thenReturn(emojiFont); |
| when(latinFont.hasCodePoint(anyInt())).thenAnswer(new LatinFontAnswer()); |
| when(emojiFont.hasCodePoint(anyInt())).thenAnswer(new EmojiFontAnswer()); |
| } |
| |
| @Test |
| public void selectFontForCharactersInText() throws Exception { |
| String latinText = "Hello FontSelector"; |
| String emojiText = "\uD83D\uDE48\uD83D\uDE49\uD83D\uDE4A"; |
| String mixedText = latinText + emojiText; |
| |
| |
| Font f = FontSelector.selectFontForCharactersInText(latinText, 0, latinText.length(), foText, context); |
| assertEquals(latinFont, f); |
| |
| f = FontSelector.selectFontForCharactersInText(emojiText, 0, emojiText.length(), foText, context); |
| assertEquals(emojiFont, f); |
| |
| // When the text is mixed the font that can cover most chars should be returned |
| f = FontSelector.selectFontForCharactersInText(mixedText, 0, mixedText.length(), foText, context); |
| assertEquals(latinFont, f); |
| |
| f = FontSelector.selectFontForCharactersInText(mixedText, latinText.length() - 1, mixedText.length(), foText, |
| context); |
| assertEquals(emojiFont, f); |
| } |
| |
| private static class LatinFontAnswer implements Answer<Boolean> { |
| |
| @Override |
| public Boolean answer(InvocationOnMock invocation) throws Throwable { |
| int codepoint = (Integer) invocation.getArguments()[0]; |
| return codepoint <= 0xFFFF; |
| } |
| } |
| |
| private static class EmojiFontAnswer implements Answer<Boolean> { |
| |
| @Override |
| public Boolean answer(InvocationOnMock invocation) throws Throwable { |
| int codepoint = (Integer) invocation.getArguments()[0]; |
| return codepoint > 0xFFFF; |
| } |
| } |
| |
| private CommonFont makeCommonFont() throws PropertyException { |
| PropertyList pList = mock(PropertyList.class); |
| |
| String fontFamilyVal = LATIN_FONT_TRIPLET.getName() + "," + EMOJI_FONT_TRIPLET.getName(); |
| Property fontFamilyProp = new FontFamilyProperty.Maker(Constants.PR_FONT_FAMILY).make(pList, fontFamilyVal, |
| null); |
| Property fontWeightProp = EnumProperty.getInstance(Constants.PR_FONT_WEIGHT, "400"); |
| Property fontStyle = EnumProperty.getInstance(Constants.PR_FONT_STYLE, "normal"); |
| Property fontSizeAdjustProp = NumberProperty.getInstance(1); |
| Property fontSizeProp = FixedLength.getInstance(12); |
| |
| when(pList.get(Constants.PR_FONT_FAMILY)).thenReturn(fontFamilyProp); |
| when(pList.get(Constants.PR_FONT_WEIGHT)).thenReturn(fontWeightProp); |
| when(pList.get(Constants.PR_FONT_STYLE)).thenReturn(fontStyle); |
| when(pList.get(Constants.PR_FONT_SIZE_ADJUST)).thenReturn(fontSizeAdjustProp); |
| when(pList.get(Constants.PR_FONT_SIZE)).thenReturn(fontSizeProp); |
| |
| return CommonFont.getInstance(pList); |
| } |
| |
| } |