void CPWL_Caret::DrawThisAppearance(CFX_RenderDevice* pDevice,
CFX_Matrix* pUser2Device) {
if (IsVisible() && m_bFlash) {
CFX_FloatRect rcRect = GetCaretRect();
CFX_FloatRect rcClip = GetClipRect();
CFX_PathData path;
path.SetPointCount(2);
FX_FLOAT fCaretX = rcRect.left + m_fWidth * 0.5f;
FX_FLOAT fCaretTop = rcRect.top;
FX_FLOAT fCaretBottom = rcRect.bottom;
if (!rcClip.IsEmpty()) {
rcRect.Intersect(rcClip);
if (!rcRect.IsEmpty()) {
fCaretTop = rcRect.top;
fCaretBottom = rcRect.bottom;
path.SetPoint(0, fCaretX, fCaretBottom, FXPT_MOVETO);
path.SetPoint(1, fCaretX, fCaretTop, FXPT_LINETO);
} else {
return;
}
} else {
path.SetPoint(0, fCaretX, fCaretBottom, FXPT_MOVETO);
path.SetPoint(1, fCaretX, fCaretTop, FXPT_LINETO);
}
CFX_GraphStateData gsd;
gsd.m_LineWidth = m_fWidth;
pDevice->DrawPath(&path, pUser2Device, &gsd, 0, ArgbEncode(255, 0, 0, 0),
FXFILL_ALTERNATE);
}
}
bool CPDF_TextPage::IsSameTextObject(CPDF_TextObject* pTextObj1,
CPDF_TextObject* pTextObj2) {
if (!pTextObj1 || !pTextObj2)
return false;
CFX_FloatRect rcPreObj = pTextObj2->GetRect();
const CFX_FloatRect& rcCurObj = pTextObj1->GetRect();
if (rcPreObj.IsEmpty() && rcCurObj.IsEmpty()) {
float dbXdif = fabs(rcPreObj.left - rcCurObj.left);
size_t nCount = m_CharList.size();
if (nCount >= 2) {
PAGECHAR_INFO perCharTemp = m_CharList[nCount - 2];
float dbSpace = perCharTemp.m_CharBox.Width();
if (dbXdif > dbSpace)
return false;
}
}
if (!rcPreObj.IsEmpty() || !rcCurObj.IsEmpty()) {
rcPreObj.Intersect(rcCurObj);
if (rcPreObj.IsEmpty())
return false;
if (fabs(rcPreObj.Width() - rcCurObj.Width()) > rcCurObj.Width() / 2) {
return false;
}
if (pTextObj2->GetFontSize() != pTextObj1->GetFontSize())
return false;
}
size_t nPreCount = pTextObj2->CountItems();
if (nPreCount != pTextObj1->CountItems())
return false;
// If both objects have no items, consider them same.
if (nPreCount == 0)
return true;
CPDF_TextObjectItem itemPer;
CPDF_TextObjectItem itemCur;
for (size_t i = 0; i < nPreCount; ++i) {
pTextObj2->GetItemInfo(i, &itemPer);
pTextObj1->GetItemInfo(i, &itemCur);
if (itemCur.m_CharCode != itemPer.m_CharCode)
return false;
}
CFX_PointF diff = pTextObj1->GetPos() - pTextObj2->GetPos();
float font_size = pTextObj2->GetFontSize();
float char_size = GetCharWidth(itemPer.m_CharCode, pTextObj2->GetFont());
float max_pre_size =
std::max(std::max(rcPreObj.Height(), rcPreObj.Width()), font_size);
return fabs(diff.x) <= 0.9 * char_size * font_size / 1000 &&
fabs(diff.y) <= max_pre_size / 8;
}
void CPWL_CBButton::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
CPWL_Wnd::GetThisAppearanceStream(sAppStream);
CFX_FloatRect rectWnd = CPWL_Wnd::GetWindowRect();
if (IsVisible() && !rectWnd.IsEmpty()) {
CFX_ByteTextBuf sButton;
CFX_FloatPoint ptCenter = GetCenterPoint();
CFX_FloatPoint pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN,
ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
CFX_FloatPoint pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN,
ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
CFX_FloatPoint pt3(ptCenter.x,
ptCenter.y - PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
if (IsFloatBigger(rectWnd.right - rectWnd.left,
PWL_CBBUTTON_TRIANGLE_HALFLEN * 2) &&
IsFloatBigger(rectWnd.top - rectWnd.bottom,
PWL_CBBUTTON_TRIANGLE_HALFLEN)) {
sButton << "0 g\n";
sButton << pt1.x << " " << pt1.y << " m\n";
sButton << pt2.x << " " << pt2.y << " l\n";
sButton << pt3.x << " " << pt3.y << " l\n";
sButton << pt1.x << " " << pt1.y << " l f\n";
sAppStream << "q\n" << sButton << "Q\n";
}
}
}
void CPWL_CBButton::DrawThisAppearance(CFX_RenderDevice* pDevice,
CFX_Matrix* pUser2Device) {
CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
CFX_FloatRect rectWnd = CPWL_Wnd::GetWindowRect();
if (IsVisible() && !rectWnd.IsEmpty()) {
CFX_PointF ptCenter = GetCenterPoint();
CFX_PointF pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN,
ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
CFX_PointF pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN,
ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
CFX_PointF pt3(ptCenter.x,
ptCenter.y - PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
if (IsFloatBigger(rectWnd.right - rectWnd.left,
PWL_CBBUTTON_TRIANGLE_HALFLEN * 2) &&
IsFloatBigger(rectWnd.top - rectWnd.bottom,
PWL_CBBUTTON_TRIANGLE_HALFLEN)) {
CFX_PathData path;
path.AppendPoint(pt1, FXPT_TYPE::MoveTo, false);
path.AppendPoint(pt2, FXPT_TYPE::LineTo, false);
path.AppendPoint(pt3, FXPT_TYPE::LineTo, false);
path.AppendPoint(pt1, FXPT_TYPE::LineTo, false);
pDevice->DrawPath(&path, pUser2Device, nullptr,
PWL_DEFAULT_BLACKCOLOR.ToFXColor(GetTransparency()), 0,
FXFILL_ALTERNATE);
}
}
}
void CPWL_CBButton::DrawThisAppearance(CFX_RenderDevice* pDevice,
CFX_Matrix* pUser2Device) {
CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
CFX_FloatRect rectWnd = CPWL_Wnd::GetWindowRect();
if (IsVisible() && !rectWnd.IsEmpty()) {
CFX_FloatPoint ptCenter = GetCenterPoint();
CFX_FloatPoint pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN,
ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
CFX_FloatPoint pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN,
ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
CFX_FloatPoint pt3(ptCenter.x,
ptCenter.y - PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
if (IsFloatBigger(rectWnd.right - rectWnd.left,
PWL_CBBUTTON_TRIANGLE_HALFLEN * 2) &&
IsFloatBigger(rectWnd.top - rectWnd.bottom,
PWL_CBBUTTON_TRIANGLE_HALFLEN)) {
CFX_PathData path;
path.SetPointCount(4);
path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO);
path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO);
path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO);
path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO);
pDevice->DrawPath(&path, pUser2Device, nullptr,
CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_BLACKCOLOR,
GetTransparency()),
0, FXFILL_ALTERNATE);
}
}
}
CFX_WideString CRF_TextPage::GetTextByRect(CFX_FloatRect rect) const
{
int count;
FPDF_CHAR_INFO info;
CFX_WideString str;
CFX_FloatRect Recttmp;
FX_BOOL bstart = TRUE;
count = CountChars();
if(rect.IsEmpty()) {
return L"";
}
for(int i = 0; i < count; i++) {
GetCharInfo(i, info);
if(_IsIntersect(rect, info.m_CharBox)) {
if(bstart) {
Recttmp = info.m_CharBox;
str += info.m_Unicode;
bstart = FALSE;
} else if(_IsInsameline(Recttmp, info.m_CharBox)) {
str += info.m_Unicode;
} else {
str += L"\r\n";
Recttmp = info.m_CharBox;
str += info.m_Unicode;
}
}
}
if(str.IsEmpty()) {
return L"";
} else {
return str;
}
}
void CFFL_InteractiveFormFiller::OnDraw(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device) {
ASSERT(pPageView);
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot);
if (!IsVisible(pWidget))
return;
CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, false);
if (pFormFiller && pFormFiller->IsValid()) {
pFormFiller->OnDraw(pPageView, pAnnot, pDevice, mtUser2Device);
pAnnot->GetPDFPage();
if (m_pFormFillEnv->GetFocusAnnot() != pAnnot)
return;
CFX_FloatRect rcFocus = pFormFiller->GetFocusBox(pPageView);
if (rcFocus.IsEmpty())
return;
CFX_PathData path;
path.AppendPoint(CFX_PointF(rcFocus.left, rcFocus.top), FXPT_TYPE::MoveTo,
false);
path.AppendPoint(CFX_PointF(rcFocus.left, rcFocus.bottom),
FXPT_TYPE::LineTo, false);
path.AppendPoint(CFX_PointF(rcFocus.right, rcFocus.bottom),
FXPT_TYPE::LineTo, false);
path.AppendPoint(CFX_PointF(rcFocus.right, rcFocus.top), FXPT_TYPE::LineTo,
false);
path.AppendPoint(CFX_PointF(rcFocus.left, rcFocus.top), FXPT_TYPE::LineTo,
false);
CFX_GraphStateData gsd;
gsd.m_DashArray = {1.0f};
gsd.m_DashPhase = 0;
gsd.m_LineWidth = 1.0f;
pDevice->DrawPath(&path, &mtUser2Device, &gsd, 0, ArgbEncode(255, 0, 0, 0),
FXFILL_ALTERNATE);
return;
}
pFormFiller = GetFormFiller(pAnnot, false);
if (pFormFiller) {
pFormFiller->OnDrawDeactive(pPageView, pAnnot, pDevice, mtUser2Device);
} else {
pWidget->DrawAppearance(pDevice, mtUser2Device, CPDF_Annot::Normal,
nullptr);
}
if (!IsReadOnly(pWidget) && IsFillingAllowed(pWidget))
pWidget->DrawShadow(pDevice, pPageView);
}
void CFFL_IFormFiller::OnDraw(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
CFX_RenderDevice* pDevice,
CFX_Matrix* pUser2Device,
FX_DWORD dwFlags) {
ASSERT(pPageView);
CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
if (IsVisible(pWidget)) {
if (CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, FALSE)) {
if (pFormFiller->IsValid()) {
pFormFiller->OnDraw(pPageView, pAnnot, pDevice, pUser2Device, dwFlags);
pAnnot->GetPDFPage();
CPDFSDK_Document* pDocument = m_pApp->GetSDKDocument();
if (pDocument->GetFocusAnnot() == pAnnot) {
CFX_FloatRect rcFocus = pFormFiller->GetFocusBox(pPageView);
if (!rcFocus.IsEmpty()) {
CFX_PathData path;
path.SetPointCount(5);
path.SetPoint(0, rcFocus.left, rcFocus.top, FXPT_MOVETO);
path.SetPoint(1, rcFocus.left, rcFocus.bottom, FXPT_LINETO);
path.SetPoint(2, rcFocus.right, rcFocus.bottom, FXPT_LINETO);
path.SetPoint(3, rcFocus.right, rcFocus.top, FXPT_LINETO);
path.SetPoint(4, rcFocus.left, rcFocus.top, FXPT_LINETO);
CFX_GraphStateData gsd;
gsd.SetDashCount(1);
gsd.m_DashArray[0] = 1.0f;
gsd.m_DashPhase = 0;
gsd.m_LineWidth = 1.0f;
pDevice->DrawPath(&path, pUser2Device, &gsd, 0,
ArgbEncode(255, 0, 0, 0), FXFILL_ALTERNATE);
}
}
return;
}
}
if (CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, FALSE))
pFormFiller->OnDrawDeactive(pPageView, pAnnot, pDevice, pUser2Device,
dwFlags);
else
pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);
if (!IsReadOnly(pWidget) && IsFillingAllowed(pWidget))
pWidget->DrawShadow(pDevice, pPageView);
}
}
FX_RECT CFFL_InteractiveFormFiller::GetViewBBox(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot) {
if (CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, false))
return pFormFiller->GetViewBBox(pPageView, pAnnot);
ASSERT(pPageView);
CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();
CFX_FloatRect rcWin = pPDFAnnot->GetRect();
if (!rcWin.IsEmpty()) {
rcWin.Inflate(1, 1);
rcWin.Normalize();
}
return rcWin.GetOuterRect();
}
CFX_Matrix GetMatrix(CFX_FloatRect rcAnnot,
CFX_FloatRect rcStream,
const CFX_Matrix& matrix) {
if (rcStream.IsEmpty())
return CFX_Matrix();
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_Matrix(a, 0, 0, d, e, f);
}
FX_BOOL IsValiableRect(CFX_FloatRect rect, CFX_FloatRect rcPage) {
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 ||
rect.right - rcPage.right > 10.000001f ||
rect.top - rcPage.top > 10.000001f ||
rect.bottom - rcPage.bottom < -10.000001f)
return FALSE;
}
return TRUE;
}
void CPWL_Wnd::DrawThisAppearance(CFX_RenderDevice* pDevice,
CFX_Matrix* pUser2Device) {
CFX_FloatRect rectWnd = GetWindowRect();
if (!rectWnd.IsEmpty()) {
if (HasFlag(PWS_BACKGROUND)) {
CFX_FloatRect rcClient = CPWL_Utils::DeflateRect(
rectWnd, (FX_FLOAT)(GetBorderWidth() + GetInnerBorderWidth()));
CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcClient,
GetBackgroundColor(), GetTransparency());
}
if (HasFlag(PWS_BORDER))
CPWL_Utils::DrawBorder(pDevice, pUser2Device, rectWnd,
(FX_FLOAT)GetBorderWidth(), GetBorderColor(),
GetBorderLeftTopColor(GetBorderStyle()),
GetBorderRightBottomColor(GetBorderStyle()),
GetBorderStyle(), GetTransparency());
}
}
// if don't set,Get default apperance stream
void CPWL_Wnd::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
CFX_FloatRect rectWnd = GetWindowRect();
if (!rectWnd.IsEmpty()) {
CFX_ByteTextBuf sThis;
if (HasFlag(PWS_BACKGROUND))
sThis << CPWL_Utils::GetRectFillAppStream(rectWnd, GetBackgroundColor());
if (HasFlag(PWS_BORDER)) {
sThis << CPWL_Utils::GetBorderAppStream(
rectWnd, (FX_FLOAT)GetBorderWidth(), GetBorderColor(),
GetBorderLeftTopColor(GetBorderStyle()),
GetBorderRightBottomColor(GetBorderStyle()), GetBorderStyle(),
GetBorderDash());
}
sAppStream << sThis;
}
}
FX_RECT CFFL_FormFiller::GetViewBBox(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot) {
ASSERT(pPageView);
ASSERT(pAnnot);
CFX_FloatRect rcAnnot = m_pWidget->GetRect();
if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
CFX_FloatRect rcWindow = pWnd->GetWindowRect();
rcAnnot = PWLtoFFL(rcWindow);
}
CFX_FloatRect rcWin = rcAnnot;
CFX_FloatRect rcFocus = GetFocusBox(pPageView);
if (!rcFocus.IsEmpty())
rcWin.Union(rcFocus);
CFX_FloatRect rect = CPWL_Utils::InflateRect(rcWin, 1);
return rect.GetOutterRect();
}
void CPWL_Caret::GetCaretApp(CFX_ByteTextBuf& sAppStream,
const CFX_FloatPoint& ptOffset) {
if (IsVisible() && m_bFlash) {
CFX_ByteTextBuf sCaret;
CFX_FloatRect rcRect = GetCaretRect();
CFX_FloatRect rcClip = GetClipRect();
rcRect = CPWL_Utils::OffsetRect(rcRect, ptOffset.x, ptOffset.y);
rcClip = CPWL_Utils::OffsetRect(rcClip, ptOffset.x, ptOffset.y);
sCaret << "q\n";
if (!rcClip.IsEmpty()) {
sCaret << rcClip.left << " " << rcClip.bottom + 2.5f << " "
<< rcClip.right - rcClip.left << " "
<< rcClip.top - rcClip.bottom - 4.5f << " re W n\n";
}
sCaret << m_fWidth << " w\n0 G\n";
sCaret << rcRect.left + m_fWidth / 2 << " " << rcRect.bottom << " m\n";
sCaret << rcRect.left + m_fWidth / 2 << " " << rcRect.top << " l S\nQ\n";
sAppStream << sCaret;
}
}
void CPWL_Wnd::InvalidateRect(CFX_FloatRect* pRect) {
if (IsValid()) {
CFX_FloatRect rcRefresh = pRect ? *pRect : GetWindowRect();
if (!HasFlag(PWS_NOREFRESHCLIP)) {
CFX_FloatRect rcClip = GetClipRect();
if (!rcClip.IsEmpty()) {
rcRefresh.Intersect(rcClip);
}
}
FX_RECT rcWin = PWLtoWnd(rcRefresh);
rcWin.left -= PWL_INVALIDATE_INFLATE;
rcWin.top -= PWL_INVALIDATE_INFLATE;
rcWin.right += PWL_INVALIDATE_INFLATE;
rcWin.bottom += PWL_INVALIDATE_INFLATE;
if (CFX_SystemHandler* pSH = GetSystemHandler()) {
if (FX_HWND hWnd = GetAttachedHWnd()) {
pSH->InvalidateRect(hWnd, rcWin);
}
}
}
}
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();
}
DLLEXPORT int STDCALL FPDFPage_Flatten(FPDF_PAGE page, int nFlag) {
CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
if (!page) {
return FLATTEN_FAIL;
}
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_NOTHINGTODO || iRet == FLATTEN_FAIL)
return iRet;
CFX_FloatRect rcOriginalCB;
CFX_FloatRect rcMerger = CalculateRect(&RectArray);
CFX_FloatRect rcOriginalMB = pPageDict->GetRectFor("MediaBox");
if (pPageDict->KeyExist("CropBox"))
rcOriginalMB = pPageDict->GetRectFor("CropBox");
if (rcOriginalMB.IsEmpty()) {
rcOriginalMB = CFX_FloatRect(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->GetRectFor("ArtBox");
else
rcOriginalCB = rcOriginalMB;
if (!rcOriginalMB.IsEmpty()) {
CPDF_Array* pMediaBox = new CPDF_Array();
pMediaBox->Add(new CPDF_Number(rcOriginalMB.left));
pMediaBox->Add(new CPDF_Number(rcOriginalMB.bottom));
pMediaBox->Add(new CPDF_Number(rcOriginalMB.right));
pMediaBox->Add(new CPDF_Number(rcOriginalMB.top));
pPageDict->SetFor("MediaBox", pMediaBox);
}
if (!rcOriginalCB.IsEmpty()) {
CPDF_Array* pCropBox = new CPDF_Array();
pCropBox->Add(new CPDF_Number(rcOriginalCB.left));
pCropBox->Add(new CPDF_Number(rcOriginalCB.bottom));
pCropBox->Add(new CPDF_Number(rcOriginalCB.right));
pCropBox->Add(new CPDF_Number(rcOriginalCB.top));
pPageDict->SetFor("ArtBox", pCropBox);
}
CPDF_Dictionary* pRes = pPageDict->GetDictFor("Resources");
if (!pRes) {
pRes = new CPDF_Dictionary(pDocument->GetByteStringPool());
pPageDict->SetFor("Resources", pRes);
}
CPDF_Stream* pNewXObject = new CPDF_Stream(
nullptr, 0, new CPDF_Dictionary(pDocument->GetByteStringPool()));
uint32_t dwObjNum = pDocument->AddIndirectObject(pNewXObject);
CPDF_Dictionary* pPageXObject = pRes->GetDictFor("XObject");
if (!pPageXObject) {
pPageXObject = new CPDF_Dictionary(pDocument->GetByteStringPool());
pRes->SetFor("XObject", pPageXObject);
}
CFX_ByteString key = "";
int nStreams = ObjectArray.GetSize();
if (nStreams > 0) {
for (int iKey = 0; /*iKey < 100*/; iKey++) {
char sExtend[5] = {};
FXSYS_itoa(iKey, sExtend, 10);
key = CFX_ByteString("FFT") + CFX_ByteString(sExtend);
if (!pPageXObject->KeyExist(key))
break;
}
}
SetPageContents(key, pPageDict, pDocument);
CPDF_Dictionary* pNewXORes = nullptr;
if (!key.IsEmpty()) {
pPageXObject->SetReferenceFor(key, pDocument, dwObjNum);
CPDF_Dictionary* pNewOXbjectDic = pNewXObject->GetDict();
pNewXORes = new CPDF_Dictionary(pDocument->GetByteStringPool());
pNewOXbjectDic->SetFor("Resources", pNewXORes);
pNewOXbjectDic->SetNameFor("Type", "XObject");
pNewOXbjectDic->SetNameFor("Subtype", "Form");
pNewOXbjectDic->SetIntegerFor("FormType", 1);
pNewOXbjectDic->SetNameFor("Name", "FRM");
CFX_FloatRect rcBBox = pPageDict->GetRectFor("ArtBox");
pNewOXbjectDic->SetRectFor("BBox", rcBBox);
}
for (int i = 0; i < nStreams; i++) {
CPDF_Dictionary* pAnnotDic = ObjectArray.GetAt(i);
if (!pAnnotDic)
continue;
CFX_FloatRect rcAnnot = pAnnotDic->GetRectFor("Rect");
rcAnnot.Normalize();
CFX_ByteString sAnnotState = pAnnotDic->GetStringFor("AS");
CPDF_Dictionary* pAnnotAP = pAnnotDic->GetDictFor("AP");
if (!pAnnotAP)
continue;
CPDF_Stream* pAPStream = pAnnotAP->GetStreamFor("N");
if (!pAPStream) {
CPDF_Dictionary* pAPDic = pAnnotAP->GetDictFor("N");
if (!pAPDic)
continue;
if (!sAnnotState.IsEmpty()) {
pAPStream = pAPDic->GetStreamFor(sAnnotState);
} else {
auto it = pAPDic->begin();
if (it != pAPDic->end()) {
CPDF_Object* pFirstObj = it->second;
if (pFirstObj) {
if (pFirstObj->IsReference())
pFirstObj = pFirstObj->GetDirect();
if (!pFirstObj->IsStream())
continue;
pAPStream = pFirstObj->AsStream();
}
}
}
}
if (!pAPStream)
continue;
CPDF_Dictionary* pAPDic = pAPStream->GetDict();
CFX_Matrix matrix = pAPDic->GetMatrixFor("Matrix");
CFX_FloatRect rcStream;
if (pAPDic->KeyExist("Rect"))
rcStream = pAPDic->GetRectFor("Rect");
else if (pAPDic->KeyExist("BBox"))
rcStream = pAPDic->GetRectFor("BBox");
if (rcStream.IsEmpty())
continue;
CPDF_Object* pObj = pAPStream;
if (pObj) {
CPDF_Dictionary* pObjDic = pObj->GetDict();
if (pObjDic) {
pObjDic->SetNameFor("Type", "XObject");
pObjDic->SetNameFor("Subtype", "Form");
}
}
CPDF_Dictionary* pXObject = pNewXORes->GetDictFor("XObject");
if (!pXObject) {
pXObject = new CPDF_Dictionary(pDocument->GetByteStringPool());
pNewXORes->SetFor("XObject", pXObject);
}
CFX_ByteString sFormName;
sFormName.Format("F%d", i);
pXObject->SetReferenceFor(sFormName, pDocument,
pDocument->AddIndirectObject(pObj));
CPDF_StreamAcc acc;
acc.LoadAllData(pNewXObject);
const uint8_t* pData = acc.GetData();
CFX_ByteString sStream(pData, acc.GetSize());
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_ByteString sTemp;
CFX_Matrix 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(sStream.raw_str(), sStream.GetLength());
}
pPageDict->RemoveFor("Annots");
ObjectArray.RemoveAll();
RectArray.RemoveAll();
return FLATTEN_SUCCESS;
}
CPDF_TextPage::GenerateCharacter CPDF_TextPage::ProcessInsertObject(
const CPDF_TextObject* pObj,
const CFX_Matrix& formMatrix) {
FindPreviousTextObject();
TextOrientation WritingMode = GetTextObjectWritingMode(pObj);
if (WritingMode == TextOrientation::Unknown)
WritingMode = GetTextObjectWritingMode(m_pPreTextObj.Get());
size_t nItem = m_pPreTextObj->CountItems();
if (nItem == 0)
return GenerateCharacter::None;
CPDF_TextObjectItem PrevItem;
m_pPreTextObj->GetItemInfo(nItem - 1, &PrevItem);
CPDF_TextObjectItem item;
pObj->GetItemInfo(0, &item);
const CFX_FloatRect& this_rect = pObj->GetRect();
const CFX_FloatRect& prev_rect = m_pPreTextObj->GetRect();
WideString wstrItem = pObj->GetFont()->UnicodeFromCharCode(item.m_CharCode);
if (wstrItem.IsEmpty())
wstrItem += static_cast<wchar_t>(item.m_CharCode);
wchar_t curChar = wstrItem[0];
if (WritingMode == TextOrientation::Horizontal) {
if (EndHorizontalLine(this_rect, prev_rect)) {
return IsHyphen(curChar) ? GenerateCharacter::Hyphen
: GenerateCharacter::LineBreak;
}
} else if (WritingMode == TextOrientation::Vertical) {
if (EndVerticalLine(this_rect, prev_rect, m_CurlineRect,
pObj->GetFontSize(), m_pPreTextObj->GetFontSize())) {
return IsHyphen(curChar) ? GenerateCharacter::Hyphen
: GenerateCharacter::LineBreak;
}
}
float last_pos = PrevItem.m_Origin.x;
uint32_t nLastWidth =
GetCharWidth(PrevItem.m_CharCode, m_pPreTextObj->GetFont());
float last_width = nLastWidth * m_pPreTextObj->GetFontSize() / 1000;
last_width = fabs(last_width);
uint32_t nThisWidth = GetCharWidth(item.m_CharCode, pObj->GetFont());
float this_width = fabs(nThisWidth * pObj->GetFontSize() / 1000);
float threshold = std::max(last_width, this_width) / 4;
CFX_Matrix prev_matrix = m_pPreTextObj->GetTextMatrix() * m_perMatrix;
CFX_Matrix prev_reverse = prev_matrix.GetInverse();
CFX_PointF pos = prev_reverse.Transform(formMatrix.Transform(pObj->GetPos()));
if (last_width < this_width)
threshold = prev_reverse.TransformDistance(threshold);
bool bNewline = false;
if (WritingMode == TextOrientation::Horizontal) {
CFX_FloatRect rect = m_pPreTextObj->GetRect();
float rect_height = rect.Height();
rect.Normalize();
if ((rect.IsEmpty() && rect_height > 5) ||
((pos.y > threshold * 2 || pos.y < threshold * -3) &&
(fabs(pos.y) >= 1 || fabs(pos.y) > fabs(pos.x)))) {
bNewline = true;
if (nItem > 1) {
CPDF_TextObjectItem tempItem;
m_pPreTextObj->GetItemInfo(0, &tempItem);
CFX_Matrix m = m_pPreTextObj->GetTextMatrix();
if (PrevItem.m_Origin.x > tempItem.m_Origin.x &&
m_DisplayMatrix.a > 0.9 && m_DisplayMatrix.b < 0.1 &&
m_DisplayMatrix.c < 0.1 && m_DisplayMatrix.d < -0.9 && m.b < 0.1 &&
m.c < 0.1) {
CFX_FloatRect re(0, m_pPreTextObj->GetRect().bottom, 1000,
m_pPreTextObj->GetRect().top);
if (re.Contains(pObj->GetPos())) {
bNewline = false;
} else {
if (CFX_FloatRect(0, pObj->GetRect().bottom, 1000,
pObj->GetRect().top)
.Contains(m_pPreTextObj->GetPos())) {
bNewline = false;
}
}
}
}
}
}
if (bNewline) {
return IsHyphen(curChar) ? GenerateCharacter::Hyphen
: GenerateCharacter::LineBreak;
}
if (pObj->CountChars() == 1 && IsHyphenCode(curChar) && IsHyphen(curChar))
return GenerateCharacter::Hyphen;
if (curChar == L' ')
return GenerateCharacter::None;
WideString PrevStr =
m_pPreTextObj->GetFont()->UnicodeFromCharCode(PrevItem.m_CharCode);
wchar_t preChar = PrevStr.Last();
if (preChar == L' ')
return GenerateCharacter::None;
CFX_Matrix matrix = pObj->GetTextMatrix() * formMatrix;
float threshold2 = static_cast<float>(std::max(nLastWidth, nThisWidth));
threshold2 = NormalizeThreshold(threshold2, 400, 700, 800);
if (nLastWidth >= nThisWidth) {
threshold2 *= fabs(m_pPreTextObj->GetFontSize());
} else {
threshold2 *= fabs(pObj->GetFontSize());
threshold2 = matrix.TransformDistance(threshold2);
threshold2 = prev_reverse.TransformDistance(threshold2);
}
threshold2 /= 1000;
if ((threshold2 < 1.4881 && threshold2 > 1.4879) ||
(threshold2 < 1.39001 && threshold2 > 1.38999)) {
threshold2 *= 1.5;
}
return GenerateSpace(pos, last_pos, this_width, last_width, threshold2)
? GenerateCharacter::Space
: GenerateCharacter::None;
}
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();
}