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authorrbpotter <rbpotter@chromium.org>2017-04-28 12:42:47 -0700
committerChromium commit bot <commit-bot@chromium.org>2017-04-29 00:13:24 +0000
commitce8e51e6c444f6caaa160bf8b1decd5d7ec84e6f (patch)
tree7a5def9963d8a21b787c66892b2e523c8034ef83 /fpdfsdk/fpdfeditpage.cpp
parent75b656a185ded6423b170546b89a945ac7aed74d (diff)
downloadpdfium-ce8e51e6c444f6caaa160bf8b1decd5d7ec84e6f.tar.xz
Normalize rotations read from PDF documents. Make FPDFPage_GetRotation always return a value 0 to 3 as specified in fpdf_edit.h instead of returning the page rotation / 90 (page rotation may be negative for some PDFs). BUG=chromium:713197 Change-Id: Ie477803f7d298b777a3ace89b21cfda8b7f6808b Reviewed-on: https://pdfium-review.googlesource.com/4532 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
Diffstat (limited to 'fpdfsdk/fpdfeditpage.cpp')
-rw-r--r--fpdfsdk/fpdfeditpage.cpp15
1 files changed, 1 insertions, 14 deletions
diff --git a/fpdfsdk/fpdfeditpage.cpp b/fpdfsdk/fpdfeditpage.cpp
index 511b7f5b4b..739723f6ee 100644
--- a/fpdfsdk/fpdfeditpage.cpp
+++ b/fpdfsdk/fpdfeditpage.cpp
@@ -133,20 +133,7 @@ DLLEXPORT int STDCALL FPDFPage_GetRotation(FPDF_PAGE page) {
CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
if (!IsPageObject(pPage))
return -1;
-
- CPDF_Dictionary* pDict = pPage->m_pFormDict;
- while (pDict) {
- if (pDict->KeyExist("Rotate")) {
- CPDF_Object* pRotateObj = pDict->GetObjectFor("Rotate")->GetDirect();
- return pRotateObj ? pRotateObj->GetInteger() / 90 : 0;
- }
- if (!pDict->KeyExist("Parent"))
- break;
-
- pDict = ToDictionary(pDict->GetObjectFor("Parent")->GetDirect());
- }
-
- return 0;
+ return pPage->GetPageRotation();
}
DLLEXPORT void STDCALL FPDFPage_InsertObject(FPDF_PAGE page,