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authorBo Xu <bo_xu@foxitsoftware.com>2014-06-12 13:41:50 -0700
committerBo Xu <bo_xu@foxitsoftware.com>2014-06-12 13:41:50 -0700
commit394010d55368f6d2e2d64fff0b7fc22d7f59ba53 (patch)
treedbc1c56313801c9b36bb989738e1f02d48a91ad1 /fpdfsdk
parenta5572c3715624b38ac861c87236185f98fa9083b (diff)
downloadpdfium-394010d55368f6d2e2d64fff0b7fc22d7f59ba53.tar.xz
Add FPDFPage_SetRotation function
R=jam@chromium.org Review URL: https://codereview.chromium.org/336563004
Diffstat (limited to 'fpdfsdk')
-rw-r--r--fpdfsdk/include/fpdfedit.h22
-rw-r--r--fpdfsdk/src/fpdfeditpage.cpp14
2 files changed, 31 insertions, 5 deletions
diff --git a/fpdfsdk/include/fpdfedit.h b/fpdfsdk/include/fpdfedit.h
index c7d8b01f69..18b816843a 100644
--- a/fpdfsdk/include/fpdfedit.h
+++ b/fpdfsdk/include/fpdfedit.h
@@ -67,17 +67,29 @@ DLLEXPORT void STDCALL FPDFPage_Delete(FPDF_DOCUMENT document, int page_index);
// Function: FPDFPage_GetRotation
// Get the page rotation. One of following values will be returned: 0(0), 1(90), 2(180), 3(270).
// Parameters:
-// page - Handle to a page. Returned by FPDFPage_New.
+// page - Handle to a page. Returned by FPDFPage_New or FPDF_LoadPage.
// Return value:
// The PDF page rotation.
// Comment:
// The PDF page rotation is rotated clockwise.
DLLEXPORT int STDCALL FPDFPage_GetRotation(FPDF_PAGE page);
+// Function: FPDFPage_SetRotation
+// Set page rotation. One of following values will be set: 0(0), 1(90), 2(180), 3(270).
+// Parameters:
+// page - Handle to a page. Returned by FPDFPage_New or FPDF_LoadPage.
+// rotate - The value of the PDF page rotation.
+// Return value:
+// None.
+// Comment:
+// The PDF page rotation is rotated clockwise.
+//
+DLLEXPORT void STDCALL FPDFPage_SetRotation(FPDF_PAGE page, int rotate);
+
// Function: FPDFPage_InsertObject
// Insert an object to the page. The page object is automatically freed.
// Parameters:
-// page - Handle to a page. Returned by FPDFPage_New.
+// page - Handle to a page. Returned by FPDFPage_New or FPDF_LoadPage.
// page_obj - Handle to a page object. Returned by FPDFPageObj_NewTextObj,FPDFPageObj_NewTextObjEx and
// FPDFPageObj_NewPathObj.
// Return value:
@@ -87,7 +99,7 @@ DLLEXPORT void STDCALL FPDFPage_InsertObject(FPDF_PAGE page, FPDF_PAGEOBJECT pag
// Function: FPDFPage_CountObject
// Get number of page objects inside the page.
// Parameters:
-// page - Handle to a page. Returned by FPDFPage_New.
+// page - Handle to a page. Returned by FPDFPage_New or FPDF_LoadPage.
// Return value:
// The number of the page object.
DLLEXPORT int STDCALL FPDFPage_CountObject(FPDF_PAGE page);
@@ -95,7 +107,7 @@ DLLEXPORT int STDCALL FPDFPage_CountObject(FPDF_PAGE page);
// Function: FPDFPage_GetObject
// Get page object by index.
// Parameters:
-// page - Handle to a page. Returned by FPDFPage_New.
+// page - Handle to a page. Returned by FPDFPage_New or FPDF_LoadPage.
// index - The index of a page object.
// Return value:
// The handle of the page object. Null for failed.
@@ -113,7 +125,7 @@ DLLEXPORT FPDF_BOOL STDCALL FPDFPage_HasTransparency(FPDF_PAGE page);
// Function: FPDFPage_GenerateContent
// Generate PDF Page content.
// Parameters:
-// page - Handle to a page. Returned by FPDFPage_New.
+// page - Handle to a page. Returned by FPDFPage_New or FPDF_LoadPage.
// Return value:
// True if successful, false otherwise.
// Comment:
diff --git a/fpdfsdk/src/fpdfeditpage.cpp b/fpdfsdk/src/fpdfeditpage.cpp
index 3f22b56b48..4c9fd35108 100644
--- a/fpdfsdk/src/fpdfeditpage.cpp
+++ b/fpdfsdk/src/fpdfeditpage.cpp
@@ -314,3 +314,17 @@ DLLEXPORT void STDCALL FPDFPage_TransformAnnots(FPDF_PAGE page,
}
}
+
+DLLEXPORT void STDCALL FPDFPage_SetRotation(FPDF_PAGE page, int rotate)
+{
+ CPDF_Page* pPage = (CPDF_Page*)page;
+ if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type")
+ || pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare("Page"))
+ {
+ return;
+ }
+ CPDF_Dictionary* pDict = pPage->m_pFormDict;
+ rotate %=4;
+
+ pDict->SetAt("Rotate", FX_NEW CPDF_Number(rotate * 90));
+} \ No newline at end of file