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Diffstat (limited to 'fpdfsdk/src/fpdf_flatten.cpp')
-rw-r--r--fpdfsdk/src/fpdf_flatten.cpp94
1 files changed, 47 insertions, 47 deletions
diff --git a/fpdfsdk/src/fpdf_flatten.cpp b/fpdfsdk/src/fpdf_flatten.cpp
index 742aeda72f..b9edef9941 100644
--- a/fpdfsdk/src/fpdf_flatten.cpp
+++ b/fpdfsdk/src/fpdf_flatten.cpp
@@ -1,7 +1,7 @@
// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-
+
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "../../public/fpdf_flatten.h"
@@ -17,16 +17,16 @@ enum FPDF_VALUE { TOP, LEFT, RIGHT, BOTTOM };
FX_BOOL IsValiableRect(CPDF_Rect rect, CPDF_Rect rcPage)
{
- if ( rect.left - rect.right > 0.000001f ||
+ if ( rect.left - rect.right > 0.000001f ||
rect.bottom - rect.top > 0.000001f)
return FALSE;
-
+
if (rect.left == 0.0f &&
rect.top == 0.0f &&
rect.right == 0.0f &&
rect.bottom == 0.0f)
return FALSE;
-
+
if (!rcPage.IsEmpty())
{
if (rect.left - rcPage.left < -10.000001f ||
@@ -35,7 +35,7 @@ FX_BOOL IsValiableRect(CPDF_Rect rect, CPDF_Rect rcPage)
rect.bottom - rcPage.bottom < -10.000001f)
return FALSE;
}
-
+
return TRUE;
}
@@ -47,24 +47,24 @@ FX_BOOL GetContentsRect( CPDF_Document * pDoc, CPDF_Dictionary* pDict, CPDF_Rect
pPDFPage->ParseContent();
FX_POSITION pos = pPDFPage->GetFirstObjectPosition();
-
+
while (pos)
{
CPDF_PageObject* pPageObject = pPDFPage->GetNextObject(pos);
if (!pPageObject)continue;
-
+
CPDF_Rect rc;
rc.left = pPageObject->m_Left;
rc.right = pPageObject->m_Right;
rc.bottom = pPageObject->m_Bottom;
rc.top = pPageObject->m_Top;
-
+
if (IsValiableRect(rc, pDict->GetRect("MediaBox")))
{
pRectArray->Add(rc);
}
}
-
+
delete pPDFPage;
return TRUE;
}
@@ -78,10 +78,10 @@ void ParserStream( CPDF_Dictionary * pPageDic, CPDF_Dictionary* pStream, CPDF_Re
rect = pStream->GetRect("Rect");
else if (pStream->KeyExist("BBox"))
rect = pStream->GetRect("BBox");
-
+
if (IsValiableRect(rect, pPageDic->GetRect("MediaBox")))
pRectArray->Add(rect);
-
+
pObjectArray->Add(pStream);
}
@@ -133,9 +133,9 @@ FX_FLOAT GetMinMaxValue( CPDF_RectArray& array, FPDF_TYPE type, FPDF_VALUE value
{
int nRects = array.GetSize();
FX_FLOAT fRet = 0.0f;
-
+
if (nRects <= 0)return 0.0f;
-
+
FX_FLOAT* pArray = new FX_FLOAT[nRects];
switch(value)
{
@@ -143,28 +143,28 @@ FX_FLOAT GetMinMaxValue( CPDF_RectArray& array, FPDF_TYPE type, FPDF_VALUE value
{
for (int i = 0; i < nRects; i++)
pArray[i] = CPDF_Rect(array.GetAt(i)).left;
-
+
break;
}
case TOP:
{
for (int i = 0; i < nRects; i++)
pArray[i] = CPDF_Rect(array.GetAt(i)).top;
-
+
break;
}
case RIGHT:
{
for (int i = 0; i < nRects; i++)
pArray[i] = CPDF_Rect(array.GetAt(i)).right;
-
+
break;
}
case BOTTOM:
{
for (int i = 0; i < nRects; i++)
pArray[i] = CPDF_Rect(array.GetAt(i)).bottom;
-
+
break;
}
default:
@@ -191,12 +191,12 @@ CPDF_Rect CalculateRect( CPDF_RectArray * pRectArray )
{
CPDF_Rect rcRet;
-
+
rcRet.left = GetMinMaxValue(*pRectArray, MIN, LEFT);
rcRet.top = GetMinMaxValue(*pRectArray, MAX, TOP);
rcRet.right = GetMinMaxValue(*pRectArray, MAX, RIGHT);
rcRet.bottom = GetMinMaxValue(*pRectArray, MIN, BOTTOM);
-
+
return rcRet;
}
@@ -208,7 +208,7 @@ void SetPageContents(CFX_ByteString key, CPDF_Dictionary* pPage, CPDF_Document*
{
pContentsObj = pPage->GetArray("Contents");
}
-
+
if (!pContentsObj)
{
//Create a new contents dictionary
@@ -217,7 +217,7 @@ void SetPageContents(CFX_ByteString key, CPDF_Dictionary* pPage, CPDF_Document*
CPDF_Stream* pNewContents = FX_NEW CPDF_Stream(NULL, 0, FX_NEW CPDF_Dictionary);
if (!pNewContents)return;
pPage->SetAtReference("Contents", pDocument, pDocument->AddIndirectObject(pNewContents));
-
+
CFX_ByteString sStream;
sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", key.c_str());
pNewContents->SetData((const uint8_t*)sStream, sStream.GetLength(), FALSE, FALSE);
@@ -227,7 +227,7 @@ void SetPageContents(CFX_ByteString key, CPDF_Dictionary* pPage, CPDF_Document*
int iType = pContentsObj->GetType();
CPDF_Array* pContentsArray = NULL;
-
+
switch(iType)
{
case PDFOBJ_STREAM:
@@ -244,7 +244,7 @@ void SetPageContents(CFX_ByteString key, CPDF_Dictionary* pPage, CPDF_Document*
pContentsArray->AddReference(pDocument, dwObjNum);
break;
}
-
+
case PDFOBJ_ARRAY:
{
pContentsArray = (CPDF_Array*)pContentsObj;
@@ -252,36 +252,36 @@ void SetPageContents(CFX_ByteString key, CPDF_Dictionary* pPage, CPDF_Document*
}
default:
break;
- }
-
+ }
+
if (!pContentsArray)return;
-
+
FX_DWORD dwObjNum = pDocument->AddIndirectObject(pContentsArray);
pPage->SetAtReference("Contents", pDocument, dwObjNum);
-
+
if (!key.IsEmpty())
{
CPDF_Stream* pNewContents = FX_NEW CPDF_Stream(NULL, 0, FX_NEW CPDF_Dictionary);
dwObjNum = pDocument->AddIndirectObject(pNewContents);
pContentsArray->AddReference(pDocument, dwObjNum);
-
+
CFX_ByteString sStream;
sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", key.c_str());
pNewContents->SetData((const uint8_t*)sStream, sStream.GetLength(), FALSE, FALSE);
}
}
-
+
CFX_AffineMatrix GetMatrix(CPDF_Rect rcAnnot, CPDF_Rect rcStream, CFX_AffineMatrix matrix)
{
if(rcStream.IsEmpty())
return CFX_AffineMatrix();
-
+
matrix.TransformRect(rcStream);
rcStream.Normalize();
-
+
FX_FLOAT a = rcAnnot.Width()/rcStream.Width();
FX_FLOAT d = rcAnnot.Height()/rcStream.Height();
-
+
FX_FLOAT e = rcAnnot.left - rcStream.left * a;
FX_FLOAT f = rcAnnot.bottom - rcStream.bottom * d;
return CFX_AffineMatrix(a, 0, 0, d, e, f);
@@ -293,7 +293,7 @@ void GetOffset(FX_FLOAT& fa, FX_FLOAT& fd, FX_FLOAT& fe, FX_FLOAT& ff, CPDF_Rect
FX_FLOAT fStreamHeight = 0.0f;
-
+
if (matrix.a != 0 && matrix.d != 0)
{
fStreamWidth = rcStream.right - rcStream.left;
@@ -304,7 +304,7 @@ void GetOffset(FX_FLOAT& fa, FX_FLOAT& fd, FX_FLOAT& fe, FX_FLOAT& ff, CPDF_Rect
fStreamWidth = rcStream.top - rcStream.bottom;
fStreamHeight = rcStream.right - rcStream.left;
}
-
+
FX_FLOAT x1 = matrix.a * rcStream.left + matrix.c * rcStream.bottom + matrix.e;
FX_FLOAT y1 = matrix.b * rcStream.left + matrix.d * rcStream.bottom + matrix.f;
FX_FLOAT x2 = matrix.a * rcStream.left + matrix.c * rcStream.top + matrix.e;
@@ -313,10 +313,10 @@ void GetOffset(FX_FLOAT& fa, FX_FLOAT& fd, FX_FLOAT& fe, FX_FLOAT& ff, CPDF_Rect
FX_FLOAT y3 = matrix.b * rcStream.right + matrix.d * rcStream.bottom + matrix.f;
FX_FLOAT x4 = matrix.a * rcStream.right + matrix.c * rcStream.top + matrix.e;
FX_FLOAT y4 = matrix.b * rcStream.right + matrix.d * rcStream.top + matrix.f;
-
+
FX_FLOAT left = FX_MIN(FX_MIN(x1, x2), FX_MIN(x3, x4));
FX_FLOAT bottom = FX_MIN(FX_MIN(y1, y2), FX_MIN(y3, y4));
-
+
fa = (rcAnnot.right - rcAnnot.left)/fStreamWidth;
fd = (rcAnnot.top - rcAnnot.bottom)/fStreamHeight;
fe = rcAnnot.left - left * fa;
@@ -337,7 +337,7 @@ DLLEXPORT int STDCALL FPDFPage_Flatten( FPDF_PAGE page, int nFlag)
CPDF_Document * pDocument = pPage->m_pDocument;
CPDF_Dictionary * pPageDict = pPage->m_pFormDict;
-
+
if ( !pDocument || !pPageDict )
{
return FLATTEN_FAIL;
@@ -357,17 +357,17 @@ DLLEXPORT int STDCALL FPDFPage_Flatten( FPDF_PAGE page, int nFlag)
if (pPageDict->KeyExist("CropBox"))
rcOriginalMB = pPageDict->GetRect("CropBox");
-
- if (rcOriginalMB.IsEmpty())
+
+ if (rcOriginalMB.IsEmpty())
{
rcOriginalMB = CPDF_Rect(0.0f, 0.0f, 612.0f, 792.0f);
}
-
+
rcMerger.left = rcMerger.left < rcOriginalMB.left? rcOriginalMB.left : rcMerger.left;
rcMerger.right = rcMerger.right > rcOriginalMB.right? rcOriginalMB.right : rcMerger.right;
rcMerger.top = rcMerger.top > rcOriginalMB.top? rcOriginalMB.top : rcMerger.top;
rcMerger.bottom = rcMerger.bottom < rcOriginalMB.bottom? rcOriginalMB.bottom : rcMerger.bottom;
-
+
if (pPageDict->KeyExist("ArtBox"))
rcOriginalCB = pPageDict->GetRect("ArtBox");
else
@@ -375,7 +375,7 @@ DLLEXPORT int STDCALL FPDFPage_Flatten( FPDF_PAGE page, int nFlag)
if (!rcOriginalMB.IsEmpty())
{
- CPDF_Array* pMediaBox = FX_NEW CPDF_Array();
+ CPDF_Array* pMediaBox = FX_NEW CPDF_Array();
pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.left));
pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.bottom));
@@ -384,7 +384,7 @@ DLLEXPORT int STDCALL FPDFPage_Flatten( FPDF_PAGE page, int nFlag)
pPageDict->SetAt("MediaBox",pMediaBox);
}
-
+
if (!rcOriginalCB.IsEmpty())
{
CPDF_Array* pCropBox = FX_NEW CPDF_Array();
@@ -442,10 +442,10 @@ DLLEXPORT int STDCALL FPDFPage_Flatten( FPDF_PAGE page, int nFlag)
pNewOXbjectDic->SetAtName("Subtype", "Form");
pNewOXbjectDic->SetAtInteger("FormType", 1);
pNewOXbjectDic->SetAtName("Name", "FRM");
- CPDF_Rect rcBBox = pPageDict->GetRect("ArtBox");
+ CPDF_Rect rcBBox = pPageDict->GetRect("ArtBox");
pNewOXbjectDic->SetAtRect("BBox", rcBBox);
}
-
+
for (int i = 0; i < nStreams; i++)
{
CPDF_Dictionary* pAnnotDic = ObjectArray.GetAt(i);
@@ -479,7 +479,7 @@ DLLEXPORT int STDCALL FPDFPage_Flatten( FPDF_PAGE page, int nFlag)
{
if (pFirstObj->GetType() == PDFOBJ_REFERENCE)
pFirstObj = pFirstObj->GetDirect();
-
+
if (pFirstObj->GetType() != PDFOBJ_STREAM)
continue;
@@ -505,7 +505,7 @@ DLLEXPORT int STDCALL FPDFPage_Flatten( FPDF_PAGE page, int nFlag)
CPDF_Object* pObj = pAPStream;
if (pObj)
- {
+ {
CPDF_Dictionary* pObjDic = pObj->GetDict();
if (pObjDic)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 22:42:02 +0000