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-rw-r--r--core/fpdfapi/font/cpdf_font.cpp5
-rw-r--r--core/fpdfapi/font/ttgsubtable.cpp6
2 files changed, 4 insertions, 7 deletions
diff --git a/core/fpdfapi/font/cpdf_font.cpp b/core/fpdfapi/font/cpdf_font.cpp
index 7988ec7124..f0b5ac16b7 100644
--- a/core/fpdfapi/font/cpdf_font.cpp
+++ b/core/fpdfapi/font/cpdf_font.cpp
@@ -458,10 +458,9 @@ uint32_t CPDF_Font::FallbackFontFromCharcode(uint32_t charcode) {
}
int CPDF_Font::FallbackGlyphFromCharcode(int fallbackFont, uint32_t charcode) {
- if (fallbackFont < 0 ||
- fallbackFont >= pdfium::CollectionSize<int>(m_FontFallbacks)) {
+ if (!pdfium::IndexInBounds(m_FontFallbacks, fallbackFont))
return -1;
- }
+
int glyph =
FXFT_Get_Char_Index(m_FontFallbacks[fallbackFont]->GetFace(), charcode);
if (glyph == 0 || glyph == 0xffff)
diff --git a/core/fpdfapi/font/ttgsubtable.cpp b/core/fpdfapi/font/ttgsubtable.cpp
index 946ccd7abe..4fae5d41d2 100644
--- a/core/fpdfapi/font/ttgsubtable.cpp
+++ b/core/fpdfapi/font/ttgsubtable.cpp
@@ -127,9 +127,8 @@ bool CFX_CTTGSUBTable::GetVerticalGlyphSub(uint32_t glyphnum,
uint32_t* vglyphnum,
TFeature* Feature) {
for (int index : Feature->LookupListIndices) {
- if (index < 0 || index >= pdfium::CollectionSize<int>(LookupList.Lookups))
+ if (!pdfium::IndexInBounds(LookupList.Lookups, index))
continue;
-
if (LookupList.Lookups[index].LookupType == 1 &&
GetVerticalGlyphSub2(glyphnum, vglyphnum, &LookupList.Lookups[index])) {
return true;
@@ -154,8 +153,7 @@ bool CFX_CTTGSUBTable::GetVerticalGlyphSub2(uint32_t glyphnum,
case 2: {
auto* tbl2 = static_cast<TSingleSubstFormat2*>(subTable.get());
int index = GetCoverageIndex(tbl2->Coverage.get(), glyphnum);
- if (index >= 0 &&
- index < pdfium::CollectionSize<int>(tbl2->Substitutes)) {
+ if (pdfium::IndexInBounds(tbl2->Substitutes, index)) {
*vglyphnum = tbl2->Substitutes[index];
return true;
}