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-rw-r--r--core/fpdftext/cpdf_textpage.cpp92
-rw-r--r--core/fpdftext/cpdf_textpage.h8
2 files changed, 45 insertions, 55 deletions
diff --git a/core/fpdftext/cpdf_textpage.cpp b/core/fpdftext/cpdf_textpage.cpp
index 52b669638c..25b6759c49 100644
--- a/core/fpdftext/cpdf_textpage.cpp
+++ b/core/fpdftext/cpdf_textpage.cpp
@@ -112,6 +112,49 @@ bool IsHyphenCode(wchar_t c) {
return c == 0x2D || c == 0xAD;
}
+bool IsRectIntersect(const CFX_FloatRect& rect1, const CFX_FloatRect& rect2) {
+ CFX_FloatRect rect = rect1;
+ rect.Intersect(rect2);
+ return !rect.IsEmpty();
+}
+
+bool IsRightToLeft(const CPDF_TextObject& text_obj, const CPDF_Font& font) {
+ const size_t nItems = text_obj.CountItems();
+ WideString str;
+ str.Reserve(nItems);
+ for (size_t i = 0; i < nItems; ++i) {
+ CPDF_TextObjectItem item;
+ text_obj.GetItemInfo(i, &item);
+ if (item.m_CharCode == static_cast<uint32_t>(-1))
+ continue;
+ WideString wstrItem = font.UnicodeFromCharCode(item.m_CharCode);
+ wchar_t wChar = !wstrItem.IsEmpty() ? wstrItem[0] : 0;
+ if (wChar == 0)
+ wChar = item.m_CharCode;
+ if (wChar)
+ str += wChar;
+ }
+ return CFX_BidiString(str).OverallDirection() == CFX_BidiChar::RIGHT;
+}
+
+uint32_t GetCharWidth(uint32_t charCode, CPDF_Font* pFont) {
+ if (charCode == CPDF_Font::kInvalidCharCode)
+ return 0;
+
+ uint32_t w = pFont->GetCharWidthF(charCode);
+ if (w > 0)
+ return w;
+
+ ByteString str;
+ pFont->AppendChar(&str, charCode);
+ w = pFont->GetStringWidth(str.AsStringView());
+ if (w > 0)
+ return w;
+
+ ASSERT(pFont->GetCharBBox(charCode).Width() >= 0);
+ return pFont->GetCharBBox(charCode).Width();
+}
+
} // namespace
PDFTEXT_Obj::PDFTEXT_Obj() {}
@@ -588,25 +631,6 @@ void CPDF_TextPage::ProcessFormObject(CPDF_FormObject* pFormObj,
}
}
-uint32_t CPDF_TextPage::GetCharWidth(uint32_t charCode,
- CPDF_Font* pFont) const {
- if (charCode == CPDF_Font::kInvalidCharCode)
- return 0;
-
- uint32_t w = pFont->GetCharWidthF(charCode);
- if (w > 0)
- return w;
-
- ByteString str;
- pFont->AppendChar(&str, charCode);
- w = pFont->GetStringWidth(str.AsStringView());
- if (w > 0)
- return w;
-
- ASSERT(pFont->GetCharBBox(charCode).Width() >= 0);
- return pFont->GetCharBBox(charCode).Width();
-}
-
void CPDF_TextPage::AddCharInfoByLRDirection(wchar_t wChar,
const PAGECHAR_INFO& info) {
PAGECHAR_INFO info2 = info;
@@ -903,25 +927,6 @@ void CPDF_TextPage::SwapTempTextBuf(int32_t iCharListStartAppend,
std::swap(pTempBuffer[i], pTempBuffer[j]);
}
-bool CPDF_TextPage::IsRightToLeft(const CPDF_TextObject* pTextObj,
- const CPDF_Font* pFont,
- size_t nItems) const {
- WideString str;
- for (size_t i = 0; i < nItems; ++i) {
- CPDF_TextObjectItem item;
- pTextObj->GetItemInfo(i, &item);
- if (item.m_CharCode == static_cast<uint32_t>(-1))
- continue;
- WideString wstrItem = pFont->UnicodeFromCharCode(item.m_CharCode);
- wchar_t wChar = !wstrItem.IsEmpty() ? wstrItem[0] : 0;
- if (wChar == 0)
- wChar = item.m_CharCode;
- if (wChar)
- str += wChar;
- }
- return CFX_BidiString(str).OverallDirection() == CFX_BidiChar::RIGHT;
-}
-
void CPDF_TextPage::ProcessTextObject(PDFTEXT_Obj Obj) {
CPDF_TextObject* pTextObj = Obj.m_pTextObj.Get();
if (fabs(pTextObj->m_Right - pTextObj->m_Left) < 0.01f)
@@ -1003,10 +1008,9 @@ void CPDF_TextPage::ProcessTextObject(PDFTEXT_Obj Obj) {
}
m_pPreTextObj = pTextObj;
m_perMatrix = formMatrix;
- size_t nItems = pTextObj->CountItems();
float baseSpace = CalculateBaseSpace(pTextObj, matrix);
- const bool bR2L = IsRightToLeft(pTextObj, pFont, nItems);
+ const bool bR2L = IsRightToLeft(*pTextObj, *pFont);
const bool bIsBidiAndMirrorInverse =
bR2L && (matrix.a * matrix.d - matrix.b * matrix.c) < 0;
int32_t iBufStartAppend = m_TempTextBuf.GetLength();
@@ -1014,6 +1018,7 @@ void CPDF_TextPage::ProcessTextObject(PDFTEXT_Obj Obj) {
pdfium::CollectionSize<int32_t>(m_TempCharList);
float spacing = 0;
+ const size_t nItems = pTextObj->CountItems();
for (size_t i = 0; i < nItems; ++i) {
CPDF_TextObjectItem item;
PAGECHAR_INFO charinfo;
@@ -1459,10 +1464,3 @@ Optional<PAGECHAR_INFO> CPDF_TextPage::GenerateCharInfo(wchar_t unicode) {
info.m_Origin.x, info.m_Origin.y);
return info;
}
-
-bool CPDF_TextPage::IsRectIntersect(const CFX_FloatRect& rect1,
- const CFX_FloatRect& rect2) {
- CFX_FloatRect rect = rect1;
- rect.Intersect(rect2);
- return !rect.IsEmpty();
-}
diff --git a/core/fpdftext/cpdf_textpage.h b/core/fpdftext/cpdf_textpage.h
index eb3950f145..43a03123ca 100644
--- a/core/fpdftext/cpdf_textpage.h
+++ b/core/fpdftext/cpdf_textpage.h
@@ -108,9 +108,6 @@ class CPDF_TextPage {
int CountRects(int start, int nCount);
bool GetRect(int rectIndex, CFX_FloatRect* pRect) const;
- static bool IsRectIntersect(const CFX_FloatRect& rect1,
- const CFX_FloatRect& rect2);
-
private:
enum class TextOrientation {
Unknown,
@@ -143,7 +140,6 @@ class CPDF_TextPage {
const CPDF_PageObjectList* pObjList,
CPDF_PageObjectList::const_iterator ObjPos);
bool IsSameTextObject(CPDF_TextObject* pTextObj1, CPDF_TextObject* pTextObj2);
- uint32_t GetCharWidth(uint32_t charCode, CPDF_Font* pFont) const;
void CloseTempLine();
FPDFText_MarkedContent PreMarkedContent(PDFTEXT_Obj pObj);
void ProcessMarkedContent(PDFTEXT_Obj pObj);
@@ -155,11 +151,7 @@ class CPDF_TextPage {
const CPDF_TextObject* pTextObj) const;
TextOrientation FindTextlineFlowOrientation() const;
void AppendGeneratedCharacter(wchar_t unicode, const CFX_Matrix& formMatrix);
-
void SwapTempTextBuf(int32_t iCharListStartAppend, int32_t iBufStartAppend);
- bool IsRightToLeft(const CPDF_TextObject* pTextObj,
- const CPDF_Font* pFont,
- size_t nItems) const;
UnownedPtr<const CPDF_Page> const m_pPage;
std::vector<uint16_t> m_CharIndex;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 19:31:21 +0000