CPDF_Form::CPDF_Form(CPDF_Document* pDoc,
CPDF_Dictionary* pPageResources,
CPDF_Stream* pFormStream,
CPDF_Dictionary* pParentResources)
: CPDF_PageObjectHolder(
pDoc,
pFormStream->GetDict(),
pPageResources,
ChooseResourcesDict(pFormStream->GetDict()->GetDictFor("Resources"),
pParentResources,
pPageResources)),
m_pFormStream(pFormStream) {
LoadTransInfo();
}
CPDF_Form::CPDF_Form(CPDF_Document* pDoc,
CPDF_Dictionary* pPageResources,
CPDF_Stream* pFormStream,
CPDF_Dictionary* pParentResources) {
m_pDocument = pDoc;
m_pFormStream = pFormStream;
m_pFormDict = pFormStream ? pFormStream->GetDict() : nullptr;
m_pResources = m_pFormDict->GetDictBy("Resources");
m_pPageResources = pPageResources;
if (!m_pResources)
m_pResources = pParentResources;
if (!m_pResources)
m_pResources = pPageResources;
m_Transparency = 0;
LoadTransInfo();
}
CPDF_Form::CPDF_Form(CPDF_Document* pDoc, CPDF_Dictionary* pPageResources, CPDF_Stream* pFormStream, CPDF_Dictionary* pParentResources)
{
m_pDocument = pDoc;
m_pFormStream = pFormStream;
m_pFormDict = pFormStream ? pFormStream->GetDict() : NULL;
m_pResources = m_pFormDict->GetDict(FX_BSTRC("Resources"));
m_pPageResources = pPageResources;
if (m_pResources == NULL) {
m_pResources = pParentResources;
}
if (m_pResources == NULL) {
m_pResources = pPageResources;
}
m_Transparency = 0;
LoadTransInfo();
}
void CPDF_Page::Load(CPDF_Document* pDocument, CPDF_Dictionary* pPageDict, FX_BOOL bPageCache)
{
m_pDocument = (CPDF_Document*)pDocument;
m_pFormDict = pPageDict;
if (bPageCache) {
m_pPageRender = CPDF_ModuleMgr::Get()->GetRenderModule()->CreatePageCache(this);
}
if (pPageDict == NULL) {
m_PageWidth = m_PageHeight = 100 * 1.0f;
m_pPageResources = m_pResources = NULL;
return;
}
CPDF_Object* pageAttr = GetPageAttr(FX_BSTRC("Resources"));
m_pResources = pageAttr ? pageAttr->GetDict() : NULL;
m_pPageResources = m_pResources;
CPDF_Object* pRotate = GetPageAttr(FX_BSTRC("Rotate"));
int rotate = 0;
if (pRotate) {
rotate = pRotate->GetInteger() / 90 % 4;
}
if (rotate < 0) {
rotate += 4;
}
CPDF_Array* pMediaBox, *pCropBox;
pMediaBox = (CPDF_Array*)GetPageAttr(FX_BSTRC("MediaBox"));
CFX_FloatRect mediabox;
if (pMediaBox) {
mediabox = pMediaBox->GetRect();
mediabox.Normalize();
}
if (mediabox.IsEmpty()) {
mediabox = CFX_FloatRect(0, 0, 612, 792);
}
pCropBox = (CPDF_Array*)GetPageAttr(FX_BSTRC("CropBox"));
if (pCropBox) {
m_BBox = pCropBox->GetRect();
m_BBox.Normalize();
}
if (m_BBox.IsEmpty()) {
m_BBox = mediabox;
} else {
m_BBox.Intersect(mediabox);
}
if (rotate % 2) {
m_PageHeight = m_BBox.right - m_BBox.left;
m_PageWidth = m_BBox.top - m_BBox.bottom;
} else {
m_PageWidth = m_BBox.right - m_BBox.left;
m_PageHeight = m_BBox.top - m_BBox.bottom;
}
switch (rotate) {
case 0:
m_PageMatrix.Set(1.0f, 0, 0, 1.0f, -m_BBox.left, -m_BBox.bottom);
break;
case 1:
m_PageMatrix.Set(0, -1.0f, 1.0f, 0, -m_BBox.bottom, m_BBox.right);
break;
case 2:
m_PageMatrix.Set(-1.0f, 0, 0, -1.0f, m_BBox.right, m_BBox.top);
break;
case 3:
m_PageMatrix.Set(0, 1.0f, -1.0f, 0, m_BBox.top, -m_BBox.left);
break;
}
m_Transparency = PDFTRANS_ISOLATED;
LoadTransInfo();
}
CPDF_Page::CPDF_Page(CPDF_Document* pDocument,
CPDF_Dictionary* pPageDict,
bool bPageCache)
: m_PageWidth(100),
m_PageHeight(100),
m_pView(nullptr),
m_pPageRender(bPageCache ? new CPDF_PageRenderCache(this) : nullptr) {
m_pFormDict = pPageDict;
m_pDocument = pDocument;
if (!pPageDict)
return;
CPDF_Object* pageAttr = GetPageAttr("Resources");
m_pResources = pageAttr ? pageAttr->GetDict() : nullptr;
m_pPageResources = m_pResources;
CPDF_Object* pRotate = GetPageAttr("Rotate");
int rotate = pRotate ? pRotate->GetInteger() / 90 % 4 : 0;
if (rotate < 0)
rotate += 4;
CPDF_Array* pMediaBox = ToArray(GetPageAttr("MediaBox"));
CFX_FloatRect mediabox;
if (pMediaBox) {
mediabox = pMediaBox->GetRect();
mediabox.Normalize();
}
if (mediabox.IsEmpty())
mediabox = CFX_FloatRect(0, 0, 612, 792);
CPDF_Array* pCropBox = ToArray(GetPageAttr("CropBox"));
if (pCropBox) {
m_BBox = pCropBox->GetRect();
m_BBox.Normalize();
}
if (m_BBox.IsEmpty())
m_BBox = mediabox;
else
m_BBox.Intersect(mediabox);
m_PageWidth = m_BBox.right - m_BBox.left;
m_PageHeight = m_BBox.top - m_BBox.bottom;
if (rotate % 2)
std::swap(m_PageWidth, m_PageHeight);
switch (rotate) {
case 0:
m_PageMatrix.Set(1.0f, 0, 0, 1.0f, -m_BBox.left, -m_BBox.bottom);
break;
case 1:
m_PageMatrix.Set(0, -1.0f, 1.0f, 0, -m_BBox.bottom, m_BBox.right);
break;
case 2:
m_PageMatrix.Set(-1.0f, 0, 0, -1.0f, m_BBox.right, m_BBox.top);
break;
case 3:
m_PageMatrix.Set(0, 1.0f, -1.0f, 0, m_BBox.top, -m_BBox.left);
break;
}
m_Transparency = PDFTRANS_ISOLATED;
LoadTransInfo();
}
