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authorLei Zhang <thestig@chromium.org>2018-05-08 15:53:08 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-05-08 15:53:08 +0000
commit9ec0bca735b5039293f4d2a7552dc491b345f0ab (patch)
tree5552cce60359a05b62ff23e49e85f9f6c51175dc /core/fpdftext
parent3645dbcf8f6b830ad5b371b9aaae6ee2be33eb98 (diff)
downloadpdfium-9ec0bca735b5039293f4d2a7552dc491b345f0ab.tar.xz
Simplify more code in CPDF_TextObject.
- Move code into a GenerateSpace() function. - Break apart some font size conversions. Change-Id: I4d5ea112fc004a31ac38b7c19ff77fcbfe764d38 Reviewed-on: https://pdfium-review.googlesource.com/32157 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Diffstat (limited to 'core/fpdftext')
-rw-r--r--core/fpdftext/cpdf_textpage.cpp80
1 files changed, 40 insertions, 40 deletions
diff --git a/core/fpdftext/cpdf_textpage.cpp b/core/fpdftext/cpdf_textpage.cpp
index 25b6759c49..56906987ab 100644
--- a/core/fpdftext/cpdf_textpage.cpp
+++ b/core/fpdftext/cpdf_textpage.cpp
@@ -155,6 +155,26 @@ uint32_t GetCharWidth(uint32_t charCode, CPDF_Font* pFont) {
return pFont->GetCharBBox(charCode).Width();
}
+bool GenerateSpace(const CFX_PointF& pos,
+ float last_pos,
+ float this_width,
+ float last_width,
+ float threshold) {
+ if (fabs(last_pos + last_width - pos.x) > threshold) {
+ if ((pos.x - last_pos - last_width) > threshold ||
+ (last_pos - pos.x - last_width) > threshold) {
+ return true;
+ }
+ if (pos.x < 0 && (last_pos - pos.x - last_width) > threshold)
+ return true;
+ if ((pos.x - last_pos - last_width) > this_width ||
+ (pos.x - last_pos - this_width) > last_width) {
+ return true;
+ }
+ }
+ return false;
+}
+
} // namespace
PDFTEXT_Obj::PDFTEXT_Obj() {}
@@ -311,22 +331,19 @@ std::vector<CFX_FloatRect> CPDF_TextPage::GetRectArray(int start,
rect.left = info_curchar.m_CharBox.left;
rect.right = info_curchar.m_CharBox.right;
if (pCurObj->GetFont()->GetTypeDescent()) {
- rect.bottom = origin.y +
- pCurObj->GetFont()->GetTypeDescent() *
- pCurObj->GetFontSize() / 1000;
-
+ const float fFontSize = pCurObj->GetFontSize() / 1000;
+ rect.bottom =
+ origin.y + pCurObj->GetFont()->GetTypeDescent() * fFontSize;
rect.bottom = matrix.Transform(CFX_PointF(origin.x, rect.bottom)).y;
} else {
rect.bottom = info_curchar.m_CharBox.bottom;
}
if (pCurObj->GetFont()->GetTypeAscent()) {
- rect.top =
- origin.y +
- pCurObj->GetFont()->GetTypeAscent() * pCurObj->GetFontSize() / 1000;
+ const float fFontSize = pCurObj->GetFontSize() / 1000;
+ rect.top = origin.y + pCurObj->GetFont()->GetTypeAscent() * fFontSize;
float xPosTemp =
- origin.x +
- GetCharWidth(info_curchar.m_CharCode, pCurObj->GetFont()) *
- pCurObj->GetFontSize() / 1000;
+ GetCharWidth(info_curchar.m_CharCode, pCurObj->GetFont());
+ xPosTemp = xPosTemp * fFontSize + origin.x;
rect.top = matrix.Transform(CFX_PointF(xPosTemp, rect.top)).y;
} else {
rect.top = info_curchar.m_CharBox.top;
@@ -1081,24 +1098,18 @@ void CPDF_TextPage::ProcessTextObject(PDFTEXT_Obj Obj) {
}
charinfo.m_Index = -1;
charinfo.m_CharCode = item.m_CharCode;
- if (bNoUnicode)
- charinfo.m_Flag = FPDFTEXT_CHAR_UNUNICODE;
- else
- charinfo.m_Flag = FPDFTEXT_CHAR_NORMAL;
-
+ charinfo.m_Flag =
+ bNoUnicode ? FPDFTEXT_CHAR_UNUNICODE : FPDFTEXT_CHAR_NORMAL;
charinfo.m_pTextObj = pTextObj;
charinfo.m_Origin = matrix.Transform(item.m_Origin);
- FX_RECT rect =
+ const FX_RECT rect =
charinfo.m_pTextObj->GetFont()->GetCharBBox(charinfo.m_CharCode);
- charinfo.m_CharBox.top =
- rect.top * pTextObj->GetFontSize() / 1000 + item.m_Origin.y;
- charinfo.m_CharBox.left =
- rect.left * pTextObj->GetFontSize() / 1000 + item.m_Origin.x;
- charinfo.m_CharBox.right =
- rect.right * pTextObj->GetFontSize() / 1000 + item.m_Origin.x;
- charinfo.m_CharBox.bottom =
- rect.bottom * pTextObj->GetFontSize() / 1000 + item.m_Origin.y;
+ const float fFontSize = pTextObj->GetFontSize() / 1000;
+ charinfo.m_CharBox.top = rect.top * fFontSize + item.m_Origin.y;
+ charinfo.m_CharBox.left = rect.left * fFontSize + item.m_Origin.x;
+ charinfo.m_CharBox.right = rect.right * fFontSize + item.m_Origin.x;
+ charinfo.m_CharBox.bottom = rect.bottom * fFontSize + item.m_Origin.y;
if (fabsf(charinfo.m_CharBox.top - charinfo.m_CharBox.bottom) < 0.01f) {
charinfo.m_CharBox.top =
charinfo.m_CharBox.bottom + pTextObj->GetFontSize();
@@ -1345,22 +1356,11 @@ CPDF_TextPage::GenerateCharacter CPDF_TextPage::ProcessInsertObject(
(threshold < 1.39001 && threshold > 1.38999)) {
threshold *= 1.5;
}
- if (fabs(last_pos + last_width - pos.x) > threshold && curChar != L' ' &&
- preChar != L' ') {
- if (curChar != L' ' && preChar != L' ') {
- if ((pos.x - last_pos - last_width) > threshold ||
- (last_pos - pos.x - last_width) > threshold) {
- return GenerateCharacter::Space;
- }
- if (pos.x < 0 && (last_pos - pos.x - last_width) > threshold)
- return GenerateCharacter::Space;
- if ((pos.x - last_pos - last_width) > this_width ||
- (pos.x - last_pos - this_width) > last_width) {
- return GenerateCharacter::Space;
- }
- }
- }
- return GenerateCharacter::None;
+ if (curChar == L' ' || preChar == L' ')
+ return GenerateCharacter::None;
+ return GenerateSpace(pos, last_pos, this_width, last_width, threshold)
+ ? GenerateCharacter::Space
+ : GenerateCharacter::None;
}
bool CPDF_TextPage::IsSameTextObject(CPDF_TextObject* pTextObj1,