Author: tilman
Date: Mon Aug 10 11:39:07 2026
New Revision: 1937034
Log:
PDFBOX-4951: add width test
Modified:
pdfbox/branches/3.0/pdfbox-layout-awt/src/test/java/org/apache/pdfbox/glyphlayout/awt/GlyphLayoutLigaturesAndKerningTest.java
pdfbox/branches/3.0/pdfbox-layout-awt/src/test/resources/pdf/GlyphLayoutLigaturesAndKerning.pdf
Modified:
pdfbox/branches/3.0/pdfbox-layout-awt/src/test/java/org/apache/pdfbox/glyphlayout/awt/GlyphLayoutLigaturesAndKerningTest.java
==============================================================================
---
pdfbox/branches/3.0/pdfbox-layout-awt/src/test/java/org/apache/pdfbox/glyphlayout/awt/GlyphLayoutLigaturesAndKerningTest.java
Mon Aug 10 11:39:04 2026 (r1937033)
+++
pdfbox/branches/3.0/pdfbox-layout-awt/src/test/java/org/apache/pdfbox/glyphlayout/awt/GlyphLayoutLigaturesAndKerningTest.java
Mon Aug 10 11:39:07 2026 (r1937034)
@@ -23,6 +23,7 @@ import java.net.URISyntaxException;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
import org.junit.jupiter.api.Test;
import org.apache.pdfbox.pdmodel.PDDocument;
@@ -147,6 +148,26 @@ class GlyphLayoutLigaturesAndKerningTest
cs.showText(" ");
cs.showText(BENGALI_STRING2);
cs.endText();
+
+ // Test code for the string widths - the widths be different
due to kerning
+ float f1 = dejavuFont.getStringWidth(DEJAVU_STRING) *
dejavuFont.getFontMatrix().getScaleX() * fontSize;
+ float f2 = dejavuLigKernFont.getStringWidth(DEJAVU_STRING) *
dejavuLigKernFont.getFontMatrix().getScaleX() * fontSize;
+ float f3 = glyphLayoutProcessor.getStringWidth(dejavuFont,
fontSize, DEJAVU_STRING);
+ float f4 =
glyphLayoutProcessor.getStringWidth(dejavuLigKernFont, fontSize, DEJAVU_STRING);
+
+ // equality is expected here, but this shows that the ordinary
getStringWidth() isn't helpful
+ assertEquals(f1, f2);
+
+ // kerning output is obviously smaller
+ assertTrue(f4 < f1);
+ assertTrue(f4 < f3);
+
+ cs.moveTo(x, 737);
+ cs.lineTo(x + f3, 737);
+ cs.stroke();
+ cs.moveTo(x, 676);
+ cs.lineTo(x + f4, 676);
+ cs.stroke();
}
doc.save(outputFilename);
}
Modified:
pdfbox/branches/3.0/pdfbox-layout-awt/src/test/resources/pdf/GlyphLayoutLigaturesAndKerning.pdf
==============================================================================
Binary file (source and/or target). No diff available.
