1 // Copyright 2016 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7 #include "fpdfsdk/cfx_systemhandler.h"
8
9 #include <memory>
10
11 #include "core/fpdfapi/parser/cpdf_document.h"
12 #include "core/fxcrt/fx_codepage.h"
13 #include "core/fxge/cfx_font.h"
14 #include "core/fxge/cfx_fontmapper.h"
15 #include "core/fxge/cfx_fontmgr.h"
16 #include "core/fxge/cfx_gemodule.h"
17 #include "fpdfsdk/cpdfsdk_annot.h"
18 #include "fpdfsdk/cpdfsdk_formfillenvironment.h"
19 #include "fpdfsdk/cpdfsdk_pageview.h"
20 #include "fpdfsdk/cpdfsdk_widget.h"
21 #include "fpdfsdk/formfiller/cffl_formfiller.h"
22
23 namespace {
24
CharSet2CP(int charset)25 int CharSet2CP(int charset) {
26 if (charset == FX_CHARSET_ShiftJIS)
27 return FX_CODEPAGE_ShiftJIS;
28 if (charset == FX_CHARSET_ChineseSimplified)
29 return FX_CODEPAGE_ChineseSimplified;
30 if (charset == FX_CHARSET_Hangul)
31 return FX_CODEPAGE_Hangul;
32 if (charset == FX_CHARSET_ChineseTraditional)
33 return FX_CODEPAGE_ChineseTraditional;
34 return FX_CODEPAGE_DefANSI;
35 }
36
37 } // namespace
38
CFX_SystemHandler(CPDFSDK_FormFillEnvironment * pFormFillEnv)39 CFX_SystemHandler::CFX_SystemHandler(CPDFSDK_FormFillEnvironment* pFormFillEnv)
40 : m_pFormFillEnv(pFormFillEnv) {}
41
~CFX_SystemHandler()42 CFX_SystemHandler::~CFX_SystemHandler() {}
43
InvalidateRect(CPDFSDK_Widget * widget,const CFX_FloatRect & rect)44 void CFX_SystemHandler::InvalidateRect(CPDFSDK_Widget* widget,
45 const CFX_FloatRect& rect) {
46 CPDFSDK_PageView* pPageView = widget->GetPageView();
47 UnderlyingPageType* pPage = widget->GetUnderlyingPage();
48 if (!pPage || !pPageView)
49 return;
50
51 CFX_Matrix page2device;
52 pPageView->GetCurrentMatrix(page2device);
53
54 CFX_Matrix device2page = page2device.GetInverse();
55
56 CFX_PointF left_top = device2page.Transform(CFX_PointF(rect.left, rect.top));
57 CFX_PointF right_bottom =
58 device2page.Transform(CFX_PointF(rect.right, rect.bottom));
59
60 CFX_FloatRect rcPDF(left_top.x, right_bottom.y, right_bottom.x, left_top.y);
61 rcPDF.Normalize();
62 m_pFormFillEnv->Invalidate(pPage, rcPDF.GetOuterRect());
63 }
64
OutputSelectedRect(CFFL_FormFiller * pFormFiller,CFX_FloatRect & rect)65 void CFX_SystemHandler::OutputSelectedRect(CFFL_FormFiller* pFormFiller,
66 CFX_FloatRect& rect) {
67 if (!pFormFiller)
68 return;
69
70 CFX_PointF ptA = pFormFiller->PWLtoFFL(CFX_PointF(rect.left, rect.bottom));
71 CFX_PointF ptB = pFormFiller->PWLtoFFL(CFX_PointF(rect.right, rect.top));
72
73 CPDFSDK_Annot* pAnnot = pFormFiller->GetSDKAnnot();
74 UnderlyingPageType* pPage = pAnnot->GetUnderlyingPage();
75 ASSERT(pPage);
76
77 m_pFormFillEnv->OutputSelectedRect(pPage,
78 CFX_FloatRect(ptA.x, ptA.y, ptB.x, ptB.y));
79 }
80
IsSelectionImplemented() const81 bool CFX_SystemHandler::IsSelectionImplemented() const {
82 if (!m_pFormFillEnv)
83 return false;
84
85 FPDF_FORMFILLINFO* pInfo = m_pFormFillEnv->GetFormFillInfo();
86 return pInfo && pInfo->FFI_OutputSelectedRect;
87 }
88
SetCursor(int32_t nCursorType)89 void CFX_SystemHandler::SetCursor(int32_t nCursorType) {
90 m_pFormFillEnv->SetCursor(nCursorType);
91 }
92
FindNativeTrueTypeFont(ByteString sFontFaceName)93 bool CFX_SystemHandler::FindNativeTrueTypeFont(ByteString sFontFaceName) {
94 CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
95 if (!pFontMgr)
96 return false;
97
98 CFX_FontMapper* pFontMapper = pFontMgr->GetBuiltinMapper();
99 if (!pFontMapper)
100 return false;
101
102 if (pFontMapper->m_InstalledTTFonts.empty())
103 pFontMapper->LoadInstalledFonts();
104
105 for (const auto& font : pFontMapper->m_InstalledTTFonts) {
106 if (font.Compare(sFontFaceName.AsStringView()))
107 return true;
108 }
109 for (const auto& fontPair : pFontMapper->m_LocalizedTTFonts) {
110 if (fontPair.first.Compare(sFontFaceName.AsStringView()))
111 return true;
112 }
113 return false;
114 }
115
AddNativeTrueTypeFontToPDF(CPDF_Document * pDoc,ByteString sFontFaceName,uint8_t nCharset)116 CPDF_Font* CFX_SystemHandler::AddNativeTrueTypeFontToPDF(
117 CPDF_Document* pDoc,
118 ByteString sFontFaceName,
119 uint8_t nCharset) {
120 if (!pDoc)
121 return nullptr;
122
123 auto pFXFont = pdfium::MakeUnique<CFX_Font>();
124 pFXFont->LoadSubst(sFontFaceName, true, 0, 0, 0, CharSet2CP(nCharset), false);
125 return pDoc->AddFont(pFXFont.get(), nCharset, false);
126 }
127
SetTimer(int32_t uElapse,TimerCallback lpTimerFunc)128 int32_t CFX_SystemHandler::SetTimer(int32_t uElapse,
129 TimerCallback lpTimerFunc) {
130 return m_pFormFillEnv->SetTimer(uElapse, lpTimerFunc);
131 }
132
KillTimer(int32_t nID)133 void CFX_SystemHandler::KillTimer(int32_t nID) {
134 m_pFormFillEnv->KillTimer(nID);
135 }
136