Title: [224573] releases/WebKitGTK/webkit-2.18/Source/WebCore
Revision
224573
Author
[email protected]
Date
2017-11-08 00:47:20 -0800 (Wed, 08 Nov 2017)

Log Message

Merge r221724 - [GTK] Bring back line height rounding when computing font metrics
https://bugs.webkit.org/show_bug.cgi?id=176497

Reviewed by Žan Doberšek.

In r221670 we changed the way we get the metrics to avoid rounding that was causing a negative line gap to be
computed. Since the font metrics value is indeed a float value, we also removed the rounding when setting the
line height. However, this caused some test failures because now we report non integer line heights.

* platform/graphics/freetype/SimpleFontDataFreeType.cpp:
(WebCore::Font::platformInit):

Modified Paths

Diff

Modified: releases/WebKitGTK/webkit-2.18/Source/WebCore/ChangeLog (224572 => 224573)


--- releases/WebKitGTK/webkit-2.18/Source/WebCore/ChangeLog	2017-11-08 08:47:14 UTC (rev 224572)
+++ releases/WebKitGTK/webkit-2.18/Source/WebCore/ChangeLog	2017-11-08 08:47:20 UTC (rev 224573)
@@ -1,3 +1,17 @@
+2017-09-07  Carlos Garcia Campos  <[email protected]>
+
+        [GTK] Bring back line height rounding when computing font metrics
+        https://bugs.webkit.org/show_bug.cgi?id=176497
+
+        Reviewed by Žan Doberšek.
+
+        In r221670 we changed the way we get the metrics to avoid rounding that was causing a negative line gap to be
+        computed. Since the font metrics value is indeed a float value, we also removed the rounding when setting the
+        line height. However, this caused some test failures because now we report non integer line heights.
+
+        * platform/graphics/freetype/SimpleFontDataFreeType.cpp:
+        (WebCore::Font::platformInit):
+
 2017-09-06  Dominik Röttsches  <[email protected]>
 
         [GTK] Bump freetype version to 2.8.0

Modified: releases/WebKitGTK/webkit-2.18/Source/WebCore/platform/graphics/freetype/SimpleFontDataFreeType.cpp (224572 => 224573)


--- releases/WebKitGTK/webkit-2.18/Source/WebCore/platform/graphics/freetype/SimpleFontDataFreeType.cpp	2017-11-08 08:47:14 UTC (rev 224572)
+++ releases/WebKitGTK/webkit-2.18/Source/WebCore/platform/graphics/freetype/SimpleFontDataFreeType.cpp	2017-11-08 08:47:20 UTC (rev 224573)
@@ -106,7 +106,7 @@
     m_fontMetrics.setAscent(ascent);
     m_fontMetrics.setDescent(descent);
     m_fontMetrics.setCapHeight(capHeight);
-    m_fontMetrics.setLineSpacing(ascent + descent + lineGap);
+    m_fontMetrics.setLineSpacing(lroundf(ascent) + lroundf(descent) + lroundf(lineGap));
     m_fontMetrics.setLineGap(lineGap);
 
     cairo_text_extents_t textExtents;
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