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// 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);
}
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