1 files changed, 19 insertions, 17 deletions
diff --git a/core/fpdfapi/render/cpdf_type3glyphs.cpp b/core/fpdfapi/render/cpdf_type3glyphs.cpp
index 01b689f80f..ef14d731c4 100644
--- a/core/fpdfapi/render/cpdf_type3glyphs.cpp
+++ b/core/fpdfapi/render/cpdf_type3glyphs.cpp
@@ -6,38 +6,40 @@
 
 #include "core/fpdfapi/render/cpdf_type3glyphs.h"
 
+#include <algorithm>
 #include <map>
 
 #include "core/fxge/fx_font.h"
 
-CPDF_Type3Glyphs::CPDF_Type3Glyphs()
-    : m_TopBlueCount(0), m_BottomBlueCount(0) {}
+namespace {
 
-CPDF_Type3Glyphs::~CPDF_Type3Glyphs() {}
+constexpr int kType3MaxBlues = 16;
 
-static int _AdjustBlue(float pos, int& count, int blues[]) {
+int AdjustBlueHelper(float pos, std::vector<int>* blues) {
   float min_distance = 1000000.0f;
   int closest_pos = -1;
-  for (int i = 0; i < count; i++) {
-    float distance = fabs(pos - static_cast<float>(blues[i]));
-    if (distance < 1.0f * 80.0f / 100.0f && distance < min_distance) {
+  for (int i = 0; i < static_cast<int>(blues->size()); ++i) {
+    float distance = fabs(pos - static_cast<float>(blues->at(i)));
+    if (distance < std::min(0.8f, min_distance)) {
       min_distance = distance;
       closest_pos = i;
     }
   }
   if (closest_pos >= 0)
-    return blues[closest_pos];
+    return blues->at(closest_pos);
   int new_pos = FXSYS_round(pos);
-  if (count == TYPE3_MAX_BLUES)
-    return new_pos;
-  blues[count++] = new_pos;
+  if (blues->size() < kType3MaxBlues)
+    blues->push_back(new_pos);
   return new_pos;
 }
 
-void CPDF_Type3Glyphs::AdjustBlue(float top,
-                                  float bottom,
-                                  int& top_line,
-                                  int& bottom_line) {
-  top_line = _AdjustBlue(top, m_TopBlueCount, m_TopBlue);
-  bottom_line = _AdjustBlue(bottom, m_BottomBlueCount, m_BottomBlue);
+}  // namespace
+
+CPDF_Type3Glyphs::CPDF_Type3Glyphs() {}
+
+CPDF_Type3Glyphs::~CPDF_Type3Glyphs() {}
+
+std::pair<int, int> CPDF_Type3Glyphs::AdjustBlue(float top, float bottom) {
+  return std::make_pair(AdjustBlueHelper(top, &m_TopBlue),
+                        AdjustBlueHelper(bottom, &m_BottomBlue));
 }