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1 // Copyright 2014 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 "../../../include/fxge/fx_ge.h"
8 #include "text_int.h"
9 static CFX_GEModule* g_pGEModule = NULL;
CFX_GEModule()10 CFX_GEModule::CFX_GEModule()
11 {
12     m_pFontCache = NULL;
13     m_pFontMgr = NULL;
14     m_FTLibrary = NULL;
15     m_pCodecModule = NULL;
16     m_pPlatformData = NULL;
17 }
~CFX_GEModule()18 CFX_GEModule::~CFX_GEModule()
19 {
20     if (m_pFontCache) {
21         delete m_pFontCache;
22     }
23     m_pFontCache = NULL;
24     if (m_pFontMgr) {
25         delete m_pFontMgr;
26     }
27     m_pFontMgr = NULL;
28     DestroyPlatform();
29 }
Get()30 CFX_GEModule* CFX_GEModule::Get()
31 {
32     return g_pGEModule;
33 }
Create()34 void CFX_GEModule::Create()
35 {
36     g_pGEModule = FX_NEW CFX_GEModule;
37     if (!g_pGEModule) {
38         return;
39     }
40     g_pGEModule->m_pFontMgr = FX_NEW CFX_FontMgr;
41     g_pGEModule->InitPlatform();
42     g_pGEModule->SetTextGamma(2.2f);
43 }
Use(CFX_GEModule * pModule)44 void CFX_GEModule::Use(CFX_GEModule* pModule)
45 {
46     g_pGEModule = pModule;
47 }
Destroy()48 void CFX_GEModule::Destroy()
49 {
50     if (g_pGEModule) {
51         delete g_pGEModule;
52     }
53     g_pGEModule = NULL;
54 }
GetFontCache()55 CFX_FontCache* CFX_GEModule::GetFontCache()
56 {
57     if (m_pFontCache == NULL) {
58         m_pFontCache = FX_NEW CFX_FontCache();
59     }
60     return m_pFontCache;
61 }
SetTextGamma(FX_FLOAT gammaValue)62 void CFX_GEModule::SetTextGamma(FX_FLOAT gammaValue)
63 {
64     gammaValue /= 2.2f;
65     int i = 0;
66     while (i < 256) {
67         m_GammaValue[i] = (FX_BYTE)(FXSYS_pow((FX_FLOAT)i / 255, gammaValue) * 255.0f + 0.5f);
68         i++;
69     }
70 }
GetTextGammaTable()71 FX_LPCBYTE CFX_GEModule::GetTextGammaTable()
72 {
73     return m_GammaValue;
74 }
SetExtFontMapper(IFX_FontMapper * pFontMapper)75 void CFX_GEModule::SetExtFontMapper(IFX_FontMapper* pFontMapper)
76 {
77     GetFontMgr()->m_pExtMapper = pFontMapper;
78     pFontMapper->m_pFontMgr = m_pFontMgr;
79 }
80