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-rw-r--r--core/tests/coretests/assets/fonts/ascent10em-descent10em.ttfbin0 -> 1776 bytes
-rw-r--r--core/tests/coretests/assets/fonts/ascent10em-descent10em.ttx181
-rw-r--r--core/tests/coretests/src/android/text/StaticLayoutTest.java41
3 files changed, 218 insertions, 4 deletions
diff --git a/core/tests/coretests/assets/fonts/ascent10em-descent10em.ttf b/core/tests/coretests/assets/fonts/ascent10em-descent10em.ttf
new file mode 100644
index 000000000000..47ab623b43e8
--- /dev/null
+++ b/core/tests/coretests/assets/fonts/ascent10em-descent10em.ttf
Binary files differ
diff --git a/core/tests/coretests/assets/fonts/ascent10em-descent10em.ttx b/core/tests/coretests/assets/fonts/ascent10em-descent10em.ttx
new file mode 100644
index 000000000000..55402770746e
--- /dev/null
+++ b/core/tests/coretests/assets/fonts/ascent10em-descent10em.ttx
@@ -0,0 +1,181 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+ Licensed 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.
+-->
+<ttFont sfntVersion="\x00\x01\x00\x00" ttLibVersion="3.0">
+
+ <GlyphOrder>
+ <GlyphID id="0" name=".notdef"/>
+ <GlyphID id="1" name="1em"/>
+ </GlyphOrder>
+
+ <head>
+ <tableVersion value="1.0"/>
+ <fontRevision value="1.0"/>
+ <checkSumAdjustment value="0x640cdb2f"/>
+ <magicNumber value="0x5f0f3cf5"/>
+ <flags value="00000000 00000011"/>
+ <unitsPerEm value="1000"/>
+ <created value="Fri Mar 17 07:26:00 2017"/>
+ <macStyle value="00000000 00000000"/>
+ <lowestRecPPEM value="7"/>
+ <fontDirectionHint value="2"/>
+ <glyphDataFormat value="0"/>
+ </head>
+
+ <hhea>
+ <tableVersion value="0x10000"/>
+ <ascent value="10000"/>
+ <descent value="-10000"/>
+ <lineGap value="0"/>
+ <caretSlopeRise value="1"/>
+ <caretSlopeRun value="0"/>
+ <caretOffset value="0"/>
+ <reserved0 value="0"/>
+ <reserved1 value="0"/>
+ <reserved2 value="0"/>
+ <reserved3 value="0"/>
+ <metricDataFormat value="0"/>
+ </hhea>
+
+ <maxp>
+ <tableVersion value="0x10000"/>
+ <maxZones value="0"/>
+ <maxTwilightPoints value="0"/>
+ <maxStorage value="0"/>
+ <maxFunctionDefs value="0"/>
+ <maxInstructionDefs value="0"/>
+ <maxStackElements value="0"/>
+ <maxSizeOfInstructions value="0"/>
+ <maxComponentElements value="0"/>
+ </maxp>
+
+ <OS_2>
+ <!-- The fields 'usFirstCharIndex' and 'usLastCharIndex'
+ will be recalculated by the compiler -->
+ <version value="3"/>
+ <xAvgCharWidth value="594"/>
+ <usWeightClass value="400"/>
+ <usWidthClass value="5"/>
+ <fsType value="00000000 00001000"/>
+ <ySubscriptXSize value="650"/>
+ <ySubscriptYSize value="600"/>
+ <ySubscriptXOffset value="0"/>
+ <ySubscriptYOffset value="75"/>
+ <ySuperscriptXSize value="650"/>
+ <ySuperscriptYSize value="600"/>
+ <ySuperscriptXOffset value="0"/>
+ <ySuperscriptYOffset value="350"/>
+ <yStrikeoutSize value="50"/>
+ <yStrikeoutPosition value="300"/>
+ <sFamilyClass value="0"/>
+ <panose>
+ <bFamilyType value="0"/>
+ <bSerifStyle value="0"/>
+ <bWeight value="5"/>
+ <bProportion value="0"/>
+ <bContrast value="0"/>
+ <bStrokeVariation value="0"/>
+ <bArmStyle value="0"/>
+ <bLetterForm value="0"/>
+ <bMidline value="0"/>
+ <bXHeight value="0"/>
+ </panose>
+ <ulUnicodeRange1 value="00000000 00000000 00000000 00000001"/>
+ <ulUnicodeRange2 value="00000000 00000000 00000000 00000000"/>
+ <ulUnicodeRange3 value="00000000 00000000 00000000 00000000"/>
+ <ulUnicodeRange4 value="00000000 00000000 00000000 00000000"/>
+ <achVendID value="UKWN"/>
+ <fsSelection value="00000000 01000000"/>
+ <usFirstCharIndex value="32"/>
+ <usLastCharIndex value="122"/>
+ <sTypoAscender value="800"/>
+ <sTypoDescender value="-200"/>
+ <sTypoLineGap value="200"/>
+ <usWinAscent value="1000"/>
+ <usWinDescent value="200"/>
+ <ulCodePageRange1 value="00000000 00000000 00000000 00000001"/>
+ <ulCodePageRange2 value="00000000 00000000 00000000 00000000"/>
+ <sxHeight value="500"/>
+ <sCapHeight value="700"/>
+ <usDefaultChar value="0"/>
+ <usBreakChar value="32"/>
+ <usMaxContext value="0"/>
+ </OS_2>
+
+ <hmtx>
+ <mtx name=".notdef" width="1000" lsb="0"/>
+ <mtx name="1em" width="1000" lsb="0"/>
+ </hmtx>
+
+ <cmap>
+ <tableVersion version="0"/>
+ <cmap_format_4 platformID="3" platEncID="10" language="0">
+ <map code="0x000A" name="1em" /> <!-- LINE FEED -->
+ <map code="0x000D" name="1em" /> <!-- CARRIAGE RETURN -->
+ </cmap_format_4>
+ </cmap>
+
+ <loca>
+ <!-- The 'loca' table will be calculated by the compiler -->
+ </loca>
+
+ <glyf>
+ <TTGlyph name=".notdef" xMin="0" yMin="0" xMax="0" yMax="0" />
+ <TTGlyph name="1em" xMin="0" yMin="0" xMax="0" yMax="0" />
+ </glyf>
+
+ <name>
+ <namerecord nameID="0" platformID="3" platEncID="1" langID="0x409">
+ Copyright (C) 2017 The Android Open Source Project
+ </namerecord>
+ <namerecord nameID="1" platformID="3" platEncID="1" langID="0x409">
+ Sample Font
+ </namerecord>
+ <namerecord nameID="2" platformID="3" platEncID="1" langID="0x409">
+ Regular
+ </namerecord>
+ <namerecord nameID="4" platformID="3" platEncID="1" langID="0x409">
+ Sample Font
+ </namerecord>
+ <namerecord nameID="6" platformID="3" platEncID="1" langID="0x409">
+ SampleFont-Regular
+ </namerecord>
+ <namerecord nameID="13" platformID="3" platEncID="1" langID="0x409">
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ 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.
+ </namerecord>
+ <namerecord nameID="14" platformID="3" platEncID="1" langID="0x409">
+ http://www.apache.org/licenses/LICENSE-2.0
+ </namerecord>
+ </name>
+
+ <post>
+ <formatType value="3.0"/>
+ <italicAngle value="0.0"/>
+ <underlinePosition value="-75"/>
+ <underlineThickness value="50"/>
+ <isFixedPitch value="0"/>
+ <minMemType42 value="0"/>
+ <maxMemType42 value="0"/>
+ <minMemType1 value="0"/>
+ <maxMemType1 value="0"/>
+ </post>
+
+</ttFont>
diff --git a/core/tests/coretests/src/android/text/StaticLayoutTest.java b/core/tests/coretests/src/android/text/StaticLayoutTest.java
index d817278330d4..25217125bbf4 100644
--- a/core/tests/coretests/src/android/text/StaticLayoutTest.java
+++ b/core/tests/coretests/src/android/text/StaticLayoutTest.java
@@ -822,6 +822,9 @@ public class StaticLayoutTest {
+ " <family>"
+ " <font weight='400' style='normal'>ascent3em-descent4em.ttf</font>"
+ " </family>"
+ + " <family>"
+ + " <font weight='400' style='normal'>ascent10em-descent10em.ttf</font>"
+ + " </family>"
+ "</familyset>";
try (FontFallbackSetup setup =
@@ -833,7 +836,7 @@ public class StaticLayoutTest {
assertEquals(2 * textSize, paint.descent(), 0.0f);
final int paraWidth = 5 * textSize;
- final String text = "aaaaa aabaa aaaaa"; // This should result in three lines.
+ final String text = "aaaaa\naabaa\naaaaa\n"; // This should result in three lines.
// Old line spacing. All lines should get their ascent and descents from the first font.
StaticLayout layout = StaticLayout.Builder
@@ -841,13 +844,17 @@ public class StaticLayoutTest {
.setIncludePad(false)
.setUseLineSpacingFromFallbacks(false)
.build();
- assertEquals(3, layout.getLineCount());
+ assertEquals(4, layout.getLineCount());
assertEquals(-textSize, layout.getLineAscent(0));
assertEquals(2 * textSize, layout.getLineDescent(0));
assertEquals(-textSize, layout.getLineAscent(1));
assertEquals(2 * textSize, layout.getLineDescent(1));
assertEquals(-textSize, layout.getLineAscent(2));
assertEquals(2 * textSize, layout.getLineDescent(2));
+ // The last empty line spacing should be the default line spacing.
+ // Maybe good to be a previous line spacing?
+ assertEquals(-textSize, layout.getLineAscent(3));
+ assertEquals(2 * textSize, layout.getLineDescent(3));
// New line spacing. The second line has a 'b', so it needs more ascent and descent.
layout = StaticLayout.Builder
@@ -855,26 +862,52 @@ public class StaticLayoutTest {
.setIncludePad(false)
.setUseLineSpacingFromFallbacks(true)
.build();
- assertEquals(3, layout.getLineCount());
+ assertEquals(4, layout.getLineCount());
assertEquals(-textSize, layout.getLineAscent(0));
assertEquals(2 * textSize, layout.getLineDescent(0));
assertEquals(-3 * textSize, layout.getLineAscent(1));
assertEquals(4 * textSize, layout.getLineDescent(1));
assertEquals(-textSize, layout.getLineAscent(2));
assertEquals(2 * textSize, layout.getLineDescent(2));
+ assertEquals(-textSize, layout.getLineAscent(3));
+ assertEquals(2 * textSize, layout.getLineDescent(3));
// The default is the old line spacing, for backward compatibility.
layout = StaticLayout.Builder
.obtain(text, 0, text.length(), paint, paraWidth)
.setIncludePad(false)
.build();
- assertEquals(3, layout.getLineCount());
+ assertEquals(4, layout.getLineCount());
assertEquals(-textSize, layout.getLineAscent(0));
assertEquals(2 * textSize, layout.getLineDescent(0));
assertEquals(-textSize, layout.getLineAscent(1));
assertEquals(2 * textSize, layout.getLineDescent(1));
assertEquals(-textSize, layout.getLineAscent(2));
assertEquals(2 * textSize, layout.getLineDescent(2));
+ assertEquals(-textSize, layout.getLineAscent(3));
+ assertEquals(2 * textSize, layout.getLineDescent(3));
+
+ layout = StaticLayout.Builder
+ .obtain("\n", 0, 1, paint, textSize)
+ .setIncludePad(false)
+ .setUseLineSpacingFromFallbacks(false)
+ .build();
+ assertEquals(2, layout.getLineCount());
+ assertEquals(-textSize, layout.getLineAscent(0));
+ assertEquals(2 * textSize, layout.getLineDescent(0));
+ assertEquals(-textSize, layout.getLineAscent(1));
+ assertEquals(2 * textSize, layout.getLineDescent(1));
+
+ layout = StaticLayout.Builder
+ .obtain("\n", 0, 1, paint, textSize)
+ .setIncludePad(false)
+ .setUseLineSpacingFromFallbacks(true)
+ .build();
+ assertEquals(2, layout.getLineCount());
+ assertEquals(-textSize, layout.getLineAscent(0));
+ assertEquals(2 * textSize, layout.getLineDescent(0));
+ assertEquals(-textSize, layout.getLineAscent(1));
+ assertEquals(2 * textSize, layout.getLineDescent(1));
}
}
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-20 14:37:35 +0000