DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetAnnotRect(FPDF_LINK linkAnnot,
FS_RECTF* rect) {
if (!linkAnnot || !rect)
return FALSE;
CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot;
CPDF_Rect rt = pAnnotDict->GetRect(FX_BSTRC("Rect"));
rect->left = rt.left;
rect->bottom = rt.bottom;
rect->right = rt.right;
rect->top = rt.top;
return TRUE;
}
DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetAnnotRect(FPDF_LINK linkAnnot,
FS_RECTF* rect) {
if (!linkAnnot || !rect)
return FALSE;
CPDF_Dictionary* pAnnotDict =
ToDictionary(static_cast<CPDF_Object*>(linkAnnot));
CPDF_Rect rt = pAnnotDict->GetRect("Rect");
rect->left = rt.left;
rect->bottom = rt.bottom;
rect->right = rt.right;
rect->top = rt.top;
return TRUE;
}
FX_BOOL CPDF_TilingPattern::Load()
{
if (m_pForm != NULL) {
return TRUE;
}
CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
if (pDict == NULL) {
return FALSE;
}
m_bColored = pDict->GetInteger(FX_BSTRC("PaintType")) == 1;
m_XStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumber(FX_BSTRC("XStep")));
m_YStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumber(FX_BSTRC("YStep")));
if (m_pPatternObj->GetType() != PDFOBJ_STREAM) {
return FALSE;
}
CPDF_Stream* pStream = (CPDF_Stream*)m_pPatternObj;
m_pForm = FX_NEW CPDF_Form(m_pDocument, NULL, pStream);
m_pForm->ParseContent(NULL, &m_ParentMatrix, NULL, NULL);
m_BBox = pDict->GetRect(FX_BSTRC("BBox"));
return TRUE;
}
void CPDF_RenderStatus::DrawShading(CPDF_ShadingPattern* pPattern,
CFX_Matrix* pMatrix,
FX_RECT& clip_rect,
int alpha,
FX_BOOL bAlphaMode) {
CPDF_Function** pFuncs = pPattern->m_pFunctions;
int nFuncs = pPattern->m_nFuncs;
CPDF_Dictionary* pDict = pPattern->m_pShadingObj->GetDict();
CPDF_ColorSpace* pColorSpace = pPattern->m_pCS;
if (!pColorSpace) {
return;
}
FX_ARGB background = 0;
if (!pPattern->m_bShadingObj &&
pPattern->m_pShadingObj->GetDict()->KeyExist("Background")) {
CPDF_Array* pBackColor =
pPattern->m_pShadingObj->GetDict()->GetArray("Background");
if (pBackColor &&
pBackColor->GetCount() >= (FX_DWORD)pColorSpace->CountComponents()) {
CFX_FixedBufGrow<FX_FLOAT, 16> comps(pColorSpace->CountComponents());
for (int i = 0; i < pColorSpace->CountComponents(); i++) {
comps[i] = pBackColor->GetNumber(i);
}
FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f;
pColorSpace->GetRGB(comps, R, G, B);
background = ArgbEncode(255, (int32_t)(R * 255), (int32_t)(G * 255),
(int32_t)(B * 255));
}
}
if (pDict->KeyExist("BBox")) {
CFX_FloatRect rect = pDict->GetRect("BBox");
rect.Transform(pMatrix);
clip_rect.Intersect(rect.GetOutterRect());
}
CPDF_DeviceBuffer buffer;
buffer.Initialize(m_pContext, m_pDevice, &clip_rect, m_pCurObj, 150);
CFX_Matrix FinalMatrix = *pMatrix;
FinalMatrix.Concat(*buffer.GetMatrix());
CFX_DIBitmap* pBitmap = buffer.GetBitmap();
if (!pBitmap->GetBuffer()) {
return;
}
pBitmap->Clear(background);
int fill_mode = m_Options.m_Flags;
switch (pPattern->m_ShadingType) {
case kInvalidShading:
case kMaxShading:
return;
case kFunctionBasedShading:
DrawFuncShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, pColorSpace,
alpha);
break;
case kAxialShading:
DrawAxialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
pColorSpace, alpha);
break;
case kRadialShading:
DrawRadialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs,
pColorSpace, alpha);
break;
case kFreeFormGouraudTriangleMeshShading: {
DrawFreeGouraudShading(pBitmap, &FinalMatrix,
ToStream(pPattern->m_pShadingObj), pFuncs, nFuncs,
pColorSpace, alpha);
} break;
case kLatticeFormGouraudTriangleMeshShading: {
DrawLatticeGouraudShading(pBitmap, &FinalMatrix,
ToStream(pPattern->m_pShadingObj), pFuncs,
nFuncs, pColorSpace, alpha);
} break;
case kCoonsPatchMeshShading:
case kTensorProductPatchMeshShading: {
DrawCoonPatchMeshes(
pPattern->m_ShadingType == kTensorProductPatchMeshShading, pBitmap,
&FinalMatrix, ToStream(pPattern->m_pShadingObj), pFuncs, nFuncs,
pColorSpace, fill_mode, alpha);
} break;
}
if (bAlphaMode) {
pBitmap->LoadChannel(FXDIB_Red, pBitmap, FXDIB_Alpha);
}
if (m_Options.m_ColorMode == RENDER_COLOR_GRAY) {
pBitmap->ConvertColorScale(m_Options.m_ForeColor, m_Options.m_BackColor);
}
buffer.OutputToDevice();
}
DLLEXPORT int STDCALL FPDFPage_Flatten( FPDF_PAGE page, int nFlag)
{
if (!page)
{
return FLATTEN_FAIL;
}
CPDF_Page * pPage = (CPDF_Page*)( page );
CPDF_Document * pDocument = pPage->m_pDocument;
CPDF_Dictionary * pPageDict = pPage->m_pFormDict;
if ( !pDocument || !pPageDict )
{
return FLATTEN_FAIL;
}
CPDF_ObjectArray ObjectArray;
CPDF_RectArray RectArray;
int iRet = FLATTEN_FAIL;
iRet = ParserAnnots( pDocument, pPageDict, &RectArray, &ObjectArray, nFlag);
if (iRet == FLATTEN_NOTINGTODO)
{
return FLATTEN_NOTINGTODO;
}else if (iRet == FLATTEN_FAIL)
{
return FLATTEN_FAIL;
}
CPDF_Rect rcOriginalCB;
CPDF_Rect rcMerger = CalculateRect( &RectArray );
CPDF_Rect rcOriginalMB = pPageDict->GetRect("MediaBox");
if (pPageDict->KeyExist("CropBox"))
rcOriginalMB = pPageDict->GetRect("CropBox");
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
rcOriginalCB = rcOriginalMB;
if (!rcOriginalMB.IsEmpty())
{
CPDF_Array* pMediaBox = FX_NEW CPDF_Array();
pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.left));
pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.bottom));
pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.right));
pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.top));
pPageDict->SetAt("MediaBox",pMediaBox);
}
if (!rcOriginalCB.IsEmpty())
{
CPDF_Array* pCropBox = FX_NEW CPDF_Array();
pCropBox->Add(FX_NEW CPDF_Number(rcOriginalCB.left));
pCropBox->Add(FX_NEW CPDF_Number(rcOriginalCB.bottom));
pCropBox->Add(FX_NEW CPDF_Number(rcOriginalCB.right));
pCropBox->Add(FX_NEW CPDF_Number(rcOriginalCB.top));
pPageDict->SetAt("ArtBox", pCropBox);
}
CPDF_Dictionary* pRes = NULL;
pRes = pPageDict->GetDict("Resources");
if (!pRes)
{
pRes = FX_NEW CPDF_Dictionary;
pPageDict->SetAt( "Resources", pRes );
}
CPDF_Stream* pNewXObject = FX_NEW CPDF_Stream(NULL, 0, FX_NEW CPDF_Dictionary);
FX_DWORD dwObjNum = pDocument->AddIndirectObject(pNewXObject);
CPDF_Dictionary* pPageXObject = pRes->GetDict("XObject");
if (!pPageXObject)
{
pPageXObject = FX_NEW CPDF_Dictionary;
pRes->SetAt("XObject", pPageXObject);
}
CFX_ByteString key = "";
int nStreams = ObjectArray.GetSize();
if (nStreams > 0)
{
for (int iKey = 0; /*iKey < 100*/; iKey++)
{
char sExtend[5] = {0};
FXSYS_itoa(iKey, sExtend, 10);
key = CFX_ByteString("FFT") + CFX_ByteString(sExtend);
if (!pPageXObject->KeyExist(key))
break;
}
}
SetPageContents(key, pPageDict, pDocument);
CPDF_Dictionary* pNewXORes = NULL;
if (!key.IsEmpty())
{
pPageXObject->SetAtReference(key, pDocument, dwObjNum);
CPDF_Dictionary* pNewOXbjectDic = pNewXObject->GetDict();
pNewXORes = FX_NEW CPDF_Dictionary;
pNewOXbjectDic->SetAt("Resources", pNewXORes);
pNewOXbjectDic->SetAtName("Type", "XObject");
pNewOXbjectDic->SetAtName("Subtype", "Form");
pNewOXbjectDic->SetAtInteger("FormType", 1);
pNewOXbjectDic->SetAtName("Name", "FRM");
CPDF_Rect rcBBox = pPageDict->GetRect("ArtBox");
pNewOXbjectDic->SetAtRect("BBox", rcBBox);
}
for (int i = 0; i < nStreams; i++)
{
CPDF_Dictionary* pAnnotDic = ObjectArray.GetAt(i);
if (!pAnnotDic)continue;
CPDF_Rect rcAnnot = pAnnotDic->GetRect("Rect");
rcAnnot.Normalize();
CFX_ByteString sAnnotState = pAnnotDic->GetString("AS");
CPDF_Dictionary* pAnnotAP = pAnnotDic->GetDict("AP");
if (!pAnnotAP)continue;
CPDF_Stream* pAPStream = pAnnotAP->GetStream("N");
if (!pAPStream)
{
CPDF_Dictionary* pAPDic = pAnnotAP->GetDict("N");
if (!pAPDic)continue;
if (!sAnnotState.IsEmpty())
{
pAPStream = pAPDic->GetStream(sAnnotState);
}
else
{
FX_POSITION pos = pAPDic->GetStartPos();
if (pos)
{
CFX_ByteString sKey;
CPDF_Object* pFirstObj = pAPDic->GetNextElement(pos, sKey);
if (pFirstObj)
{
if (pFirstObj->GetType() == PDFOBJ_REFERENCE)
pFirstObj = pFirstObj->GetDirect();
if (pFirstObj->GetType() != PDFOBJ_STREAM)
continue;
pAPStream = (CPDF_Stream*)pFirstObj;
}
}
}
}
if (!pAPStream)continue;
CPDF_Dictionary* pAPDic = pAPStream->GetDict();
CFX_AffineMatrix matrix = pAPDic->GetMatrix("Matrix");
CPDF_Rect rcStream;
if (pAPDic->KeyExist("Rect"))
rcStream = pAPDic->GetRect("Rect");
else if (pAPDic->KeyExist("BBox"))
rcStream = pAPDic->GetRect("BBox");
if (rcStream.IsEmpty())continue;
CPDF_Object* pObj = pAPStream;
if (pObj)
{
CPDF_Dictionary* pObjDic = pObj->GetDict();
if (pObjDic)
{
pObjDic->SetAtName("Type", "XObject");
pObjDic->SetAtName("Subtype", "Form");
}
}
CPDF_Dictionary* pXObject = pNewXORes->GetDict("XObject");
if (!pXObject)
{
pXObject = FX_NEW CPDF_Dictionary;
pNewXORes->SetAt("XObject", pXObject);
}
CFX_ByteString sFormName;
sFormName.Format("F%d", i);
FX_DWORD dwObjNum = pDocument->AddIndirectObject(pObj);
pXObject->SetAtReference(sFormName, pDocument, dwObjNum);
CPDF_StreamAcc acc;
acc.LoadAllData(pNewXObject);
FX_LPCBYTE pData = acc.GetData();
CFX_ByteString sStream(pData, acc.GetSize());
CFX_ByteString sTemp;
if (matrix.IsIdentity())
{
matrix.a = 1.0f;
matrix.b = 0.0f;
matrix.c = 0.0f;
matrix.d = 1.0f;
matrix.e = 0.0f;
matrix.f = 0.0f;
}
CFX_AffineMatrix m = GetMatrix(rcAnnot, rcStream, matrix);
sTemp.Format("q %f 0 0 %f %f %f cm /%s Do Q\n", m.a, m.d, m.e, m.f, sFormName.c_str());
sStream += sTemp;
pNewXObject->SetData((FX_LPCBYTE)sStream, sStream.GetLength(), FALSE, FALSE);
}
pPageDict->RemoveAt( "Annots" );
ObjectArray.RemoveAll();
RectArray.RemoveAll();
return FLATTEN_SUCCESS;
}