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-rw-r--r--core/fpdfapi/font/cpdf_font.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/core/fpdfapi/font/cpdf_font.cpp b/core/fpdfapi/font/cpdf_font.cpp
index bdd3464ed2..82f9be3361 100644
--- a/core/fpdfapi/font/cpdf_font.cpp
+++ b/core/fpdfapi/font/cpdf_font.cpp
@@ -6,6 +6,7 @@
#include "core/fpdfapi/font/cpdf_font.h"
+#include <limits>
#include <memory>
#include <utility>
#include <vector>
@@ -486,8 +487,11 @@ int CPDF_Font::TT2PDF(int m, FXFT_Face face) {
int upm = FXFT_Get_Face_UnitsPerEM(face);
if (upm == 0)
return m;
- return pdfium::base::checked_cast<int>(
- (static_cast<double>(m) * 1000 + upm / 2) / upm);
+
+ return static_cast<int>(
+ pdfium::clamp((m * 1000.0 + upm / 2) / upm,
+ static_cast<double>(std::numeric_limits<int>::min()),
+ static_cast<double>(std::numeric_limits<int>::max())));
}
// static