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authorHenrique Nakashima <hnakashima@chromium.org>2018-05-22 13:45:08 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-05-22 13:45:08 +0000
commita3ee6a0081ab16a2034b36d1d0f9b6907aec67d2 (patch)
treeaddf5f561a0c94a3f250833bb075bf10e2998d64 /xfa/fgas/font
parentb9d556e4282329c7bf6a0710ce6d742467e44e84 (diff)
downloadpdfium-a3ee6a0081ab16a2034b36d1d0f9b6907aec67d2.tar.xz
Fix spaces too wide in XFA Dropdown.
CFGAS_PDFFontMgr::GetCharWidth() is only used for spaces, for no good reason I could find. It's broken in this case too, returning a default value of 600 for any character. This CL removes this method and its only usage that led to finding this issue. Bug: pdfium:1083 Change-Id: I954de45101715b5af05169612fb5eca1b1a170b4 Reviewed-on: https://pdfium-review.googlesource.com/32740 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'xfa/fgas/font')
-rw-r--r--xfa/fgas/font/cfgas_gefont.cpp28
-rw-r--r--xfa/fgas/font/cfgas_gefont.h5
-rw-r--r--xfa/fgas/font/cfgas_pdffontmgr.cpp18
-rw-r--r--xfa/fgas/font/cfgas_pdffontmgr.h3
4 files changed, 13 insertions, 41 deletions
diff --git a/xfa/fgas/font/cfgas_gefont.cpp b/xfa/fgas/font/cfgas_gefont.cpp
index b6ec23a414..740504f088 100644
--- a/xfa/fgas/font/cfgas_gefont.cpp
+++ b/xfa/fgas/font/cfgas_gefont.cpp
@@ -164,23 +164,21 @@ bool CFGAS_GEFont::GetCharWidth(wchar_t wUnicode, int32_t* pWidth) {
if (*pWidth > 0)
return true;
- if (!m_pProvider || !m_pProvider->GetCharWidth(RetainPtr<CFGAS_GEFont>(this),
- wUnicode, pWidth)) {
- RetainPtr<CFGAS_GEFont> pFont;
- int32_t iGlyph;
- std::tie(iGlyph, pFont) = GetGlyphIndexAndFont(wUnicode, true);
- if (iGlyph != 0xFFFF && pFont) {
- if (pFont.Get() == this) {
- *pWidth = m_pFont->GetGlyphWidth(iGlyph);
- if (*pWidth < 0)
- *pWidth = -1;
- } else if (pFont->GetCharWidth(wUnicode, pWidth)) {
- return true;
- }
- } else {
- *pWidth = -1;
+ RetainPtr<CFGAS_GEFont> pFont;
+ int32_t iGlyph;
+ std::tie(iGlyph, pFont) = GetGlyphIndexAndFont(wUnicode, true);
+ if (iGlyph != 0xFFFF && pFont) {
+ if (pFont.Get() == this) {
+ *pWidth = m_pFont->GetGlyphWidth(iGlyph);
+ if (*pWidth < 0)
+ *pWidth = -1;
+ } else if (pFont->GetCharWidth(wUnicode, pWidth)) {
+ return true;
}
+ } else {
+ *pWidth = -1;
}
+
m_CharWidthMap[wUnicode] = *pWidth;
return *pWidth > 0;
}
diff --git a/xfa/fgas/font/cfgas_gefont.h b/xfa/fgas/font/cfgas_gefont.h
index ab72f1356f..f4d729d3a5 100644
--- a/xfa/fgas/font/cfgas_gefont.h
+++ b/xfa/fgas/font/cfgas_gefont.h
@@ -49,10 +49,6 @@ class CFGAS_GEFont : public Retainable {
RetainPtr<CFGAS_GEFont> GetSubstFont(int32_t iGlyphIndex);
CFX_Font* GetDevFont() const { return m_pFont; }
- void SetFontProvider(CFGAS_PDFFontMgr* pProvider) {
- m_pProvider.Reset(pProvider);
- }
-
void SetLogicalFontStyle(uint32_t dwLogFontStyle) {
m_bUseLogFontStyle = true;
m_dwLogFontStyle = dwLogFontStyle;
@@ -82,7 +78,6 @@ class CFGAS_GEFont : public Retainable {
bool m_bExternalFont;
RetainPtr<CFGAS_GEFont> m_pSrcFont; // Only set by ctor, so no cycles.
CFGAS_FontMgr::ObservedPtr m_pFontMgr;
- CFGAS_PDFFontMgr::ObservedPtr m_pProvider;
RetainPtr<IFX_SeekableReadStream> m_pFileRead;
std::unique_ptr<CFX_UnicodeEncoding> m_pFontEncoding;
std::map<wchar_t, int32_t> m_CharWidthMap;
diff --git a/xfa/fgas/font/cfgas_pdffontmgr.cpp b/xfa/fgas/font/cfgas_pdffontmgr.cpp
index e2fb905f66..ad28c9eaeb 100644
--- a/xfa/fgas/font/cfgas_pdffontmgr.cpp
+++ b/xfa/fgas/font/cfgas_pdffontmgr.cpp
@@ -183,24 +183,6 @@ bool CFGAS_PDFFontMgr::PsNameMatchDRFontName(const ByteStringView& bsPsName,
return true;
}
-bool CFGAS_PDFFontMgr::GetCharWidth(const RetainPtr<CFGAS_GEFont>& pFont,
- wchar_t wUnicode,
- int32_t* pWidth) {
- if (wUnicode != 0x20)
- return false;
-
- auto it = m_FDE2PDFFont.find(pFont);
- if (it == m_FDE2PDFFont.end())
- return false;
-
- CPDF_Font* pPDFFont = it->second;
- // TODO(npm): CFGAS_GEFont::GetCharWidth currently uses -1 as a special value,
- // so |pWidth| cannot be changed to unsigned until this behavior is changed.
- *pWidth = static_cast<int32_t>(
- pPDFFont->GetCharWidthF(pPDFFont->CharCodeFromUnicode(wUnicode)));
- return true;
-}
-
void CFGAS_PDFFontMgr::SetFont(const RetainPtr<CFGAS_GEFont>& pFont,
CPDF_Font* pPDFFont) {
m_FDE2PDFFont[pFont] = pPDFFont;
diff --git a/xfa/fgas/font/cfgas_pdffontmgr.h b/xfa/fgas/font/cfgas_pdffontmgr.h
index a019990dad..0cc647500b 100644
--- a/xfa/fgas/font/cfgas_pdffontmgr.h
+++ b/xfa/fgas/font/cfgas_pdffontmgr.h
@@ -30,9 +30,6 @@ class CFGAS_PDFFontMgr : public Observable<CFGAS_PDFFontMgr> {
uint32_t dwFontStyles,
CPDF_Font** pPDFFont,
bool bStrictMatch);
- bool GetCharWidth(const RetainPtr<CFGAS_GEFont>& pFont,
- wchar_t wUnicode,
- int32_t* pWidth);
private:
RetainPtr<CFGAS_GEFont> FindFont(const ByteString& strFamilyName,