// Copyright 2016 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 "fpdfsdk/cfx_systemhandler.h" #include <memory> #include "core/fpdfapi/parser/cpdf_document.h" #include "core/fxcrt/fx_codepage.h" #include "core/fxge/cfx_fontmapper.h" #include "core/fxge/cfx_fontmgr.h" #include "core/fxge/cfx_gemodule.h" #include "fpdfsdk/cpdfsdk_annot.h" #include "fpdfsdk/cpdfsdk_formfillenvironment.h" #include "fpdfsdk/cpdfsdk_pageview.h" #include "fpdfsdk/cpdfsdk_widget.h" #include "fpdfsdk/formfiller/cffl_formfiller.h" namespace { int CharSet2CP(int charset) { if (charset == FX_CHARSET_ShiftJIS) return FX_CODEPAGE_ShiftJIS; if (charset == FX_CHARSET_ChineseSimplified) return FX_CODEPAGE_ChineseSimplified; if (charset == FX_CHARSET_Hangul) return FX_CODEPAGE_Hangul; if (charset == FX_CHARSET_ChineseTraditional) return FX_CODEPAGE_ChineseTraditional; return FX_CODEPAGE_DefANSI; } } // namespace CFX_SystemHandler::CFX_SystemHandler(CPDFSDK_FormFillEnvironment* pFormFillEnv) : m_pFormFillEnv(pFormFillEnv) {} CFX_SystemHandler::~CFX_SystemHandler() {} void CFX_SystemHandler::InvalidateRect(CPDFSDK_Widget* widget, FX_RECT rect) { CPDFSDK_PageView* pPageView = widget->GetPageView(); UnderlyingPageType* pPage = widget->GetUnderlyingPage(); if (!pPage || !pPageView) return; CFX_Matrix page2device; pPageView->GetCurrentMatrix(page2device); CFX_Matrix device2page = page2device.GetInverse(); CFX_PointF left_top = device2page.Transform( CFX_PointF(static_cast<float>(rect.left), static_cast<float>(rect.top))); CFX_PointF right_bottom = device2page.Transform(CFX_PointF( static_cast<float>(rect.right), static_cast<float>(rect.bottom))); CFX_FloatRect rcPDF(left_top.x, right_bottom.y, right_bottom.x, left_top.y); rcPDF.Normalize(); m_pFormFillEnv->Invalidate(pPage, rcPDF.ToFxRect()); } void CFX_SystemHandler::OutputSelectedRect(CFFL_FormFiller* pFormFiller, CFX_FloatRect& rect) { if (!pFormFiller) return; CFX_PointF ptA = pFormFiller->PWLtoFFL(CFX_PointF(rect.left, rect.bottom)); CFX_PointF ptB = pFormFiller->PWLtoFFL(CFX_PointF(rect.right, rect.top)); CPDFSDK_Annot* pAnnot = pFormFiller->GetSDKAnnot(); UnderlyingPageType* pPage = pAnnot->GetUnderlyingPage(); ASSERT(pPage); m_pFormFillEnv->OutputSelectedRect(pPage, CFX_FloatRect(ptA.x, ptA.y, ptB.x, ptB.y)); } bool CFX_SystemHandler::IsSelectionImplemented() const { if (!m_pFormFillEnv) return false; FPDF_FORMFILLINFO* pInfo = m_pFormFillEnv->GetFormFillInfo(); return pInfo && pInfo->FFI_OutputSelectedRect; } void CFX_SystemHandler::SetCursor(int32_t nCursorType) { m_pFormFillEnv->SetCursor(nCursorType); } bool CFX_SystemHandler::FindNativeTrueTypeFont(CFX_ByteString sFontFaceName) { CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr(); if (!pFontMgr) return false; CFX_FontMapper* pFontMapper = pFontMgr->GetBuiltinMapper(); if (!pFontMapper) return false; if (pFontMapper->m_InstalledTTFonts.empty()) pFontMapper->LoadInstalledFonts(); for (const auto& font : pFontMapper->m_InstalledTTFonts) { if (font.Compare(sFontFaceName.AsStringC())) return true; } for (const auto& fontPair : pFontMapper->m_LocalizedTTFonts) { if (fontPair.first.Compare(sFontFaceName.AsStringC())) return true; } return false; } CPDF_Font* CFX_SystemHandler::AddNativeTrueTypeFontToPDF( CPDF_Document* pDoc, CFX_ByteString sFontFaceName, uint8_t nCharset) { if (!pDoc) return nullptr; auto pFXFont = pdfium::MakeUnique<CFX_Font>(); pFXFont->LoadSubst(sFontFaceName, true, 0, 0, 0, CharSet2CP(nCharset), false); return pDoc->AddFont(pFXFont.get(), nCharset, false); } int32_t CFX_SystemHandler::SetTimer(int32_t uElapse, TimerCallback lpTimerFunc) { return m_pFormFillEnv->SetTimer(uElapse, lpTimerFunc); } void CFX_SystemHandler::KillTimer(int32_t nID) { m_pFormFillEnv->KillTimer(nID); } bool CFX_SystemHandler::IsSHIFTKeyDown(uint32_t nFlag) const { return !!m_pFormFillEnv->IsSHIFTKeyDown(nFlag); } bool CFX_SystemHandler::IsCTRLKeyDown(uint32_t nFlag) const { return !!m_pFormFillEnv->IsCTRLKeyDown(nFlag); } bool CFX_SystemHandler::IsALTKeyDown(uint32_t nFlag) const { return !!m_pFormFillEnv->IsALTKeyDown(nFlag); }