Ignore minimum font-size for SVG text

third_party/WebKit/Source/core/css/FontSize.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
@@ skipping 23 matching lines @@
 #include "core/dom/Document.h"
 #include "core/frame/Settings.h"
 
 namespace blink {
 
 float FontSize::getComputedSizeFromSpecifiedSize(
     const Document* document,
     float zoomFactor,
     bool isAbsoluteSize,
     float specifiedSize,
-    ESmartMinimumForFontSize useSmartMinimumForFontSize) {
+    ApplyMinimumFontSize applyMinimumFontSize) {
   // Text with a 0px font size should not be visible and therefore needs to be
   // exempt from minimum font size rules. Acid3 relies on this for pixel-perfect
   // rendering. This is also compatible with other browsers that have minimum
   // font size settings (e.g. Firefox).
   if (fabsf(specifiedSize) < std::numeric_limits<float>::epsilon())
     return 0.0f;
 
   // We support two types of minimum font size. The first is a hard override
   // that applies to all fonts. This is "minSize." The second type of minimum
   // font size is a "smart minimum" that is applied only when the Web page can't
   // know what size it really asked for, e.g., when it uses logical sizes like
   // "small" or expresses the font-size as a percentage of the user's default
   // font setting.
 
   // With the smart minimum, we never want to get smaller than the minimum font
   // size to keep fonts readable. However we always allow the page to set an
   // explicit pixel size that is smaller, since sites will mis-render otherwise
   // (e.g., http://www.gamespot.com with a 9px minimum).
 
   Settings* settings = document->settings();
   if (!settings)
     return 1.0f;
 
-  int minSize = settings->minimumFontSize();
-  int minLogicalSize = settings->minimumLogicalFontSize();
   float zoomedSize = specifiedSize * zoomFactor;
+  if (applyMinimumFontSize) {
+    int minSize = settings->minimumFontSize();
+    int minLogicalSize = settings->minimumLogicalFontSize();
 
-  // Apply the hard minimum first. We only apply the hard minimum if after
-  // zooming we're still too small.
-  if (zoomedSize < minSize)
-    zoomedSize = minSize;
+    // Apply the hard minimum first. We only apply the hard minimum if after
+    // zooming we're still too small.
+    if (zoomedSize < minSize)
+      zoomedSize = minSize;
 
-  // Now apply the "smart minimum." This minimum is also only applied if we're
-  // still too small after zooming. The font size must either be relative to the
-  // user default or the original size must have been acceptable. In other
-  // words, we only apply the smart minimum whenever we're positive doing so
-  // won't disrupt the layout.
-  if (useSmartMinimumForFontSize && zoomedSize < minLogicalSize &&
-      (specifiedSize >= minLogicalSize || !isAbsoluteSize))
-    zoomedSize = minLogicalSize;
-
+    // Now apply the "smart minimum." This minimum is also only applied if we're
+    // still too small after zooming. The font size must either be relative to
+    // the user default or the original size must have been acceptable. In other
+    // words, we only apply the smart minimum whenever we're positive doing so
+    // won't disrupt the layout.
+    if (zoomedSize < minLogicalSize &&
+        (specifiedSize >= minLogicalSize || !isAbsoluteSize))
+      zoomedSize = minLogicalSize;
+  }
   // Also clamp to a reasonable maximum to prevent insane font sizes from
   // causing crashes on various platforms (I'm looking at you, Windows.)
   return std::min(maximumAllowedFontSize, zoomedSize);
 }
 
 const int fontSizeTableMax = 16;
 const int fontSizeTableMin = 9;
 const int totalKeywords = 8;
 
 // WinIE/Nav4 table for font sizes. Designed to match the legacy font mapping
@@ skipping 91 matching lines @@
   if (row >= 0)
     return findNearestLegacyFontSize<int>(
         pixelFontSize,
         quirksMode ? quirksFontSizeTable[row] : strictFontSizeTable[row], 1);
 
   return findNearestLegacyFontSize<float>(pixelFontSize, fontSizeFactors,
                                           mediumSize);
 }
 
 }  // namespace blink