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 "core/include/fxge/fx_ge.h" 8 9 #include "text_int.h" 10 11 static CFX_GEModule* g_pGEModule = NULL; 12 CFX_GEModule::CFX_GEModule(const char** pUserFontPaths) { 13 m_pFontCache = NULL; 14 m_pFontMgr = NULL; 15 m_FTLibrary = NULL; 16 m_pCodecModule = NULL; 17 m_pPlatformData = NULL; 18 m_pUserFontPaths = pUserFontPaths; 19 } 20 CFX_GEModule::~CFX_GEModule() { 21 delete m_pFontCache; 22 m_pFontCache = NULL; 23 delete m_pFontMgr; 24 m_pFontMgr = NULL; 25 DestroyPlatform(); 26 } 27 CFX_GEModule* CFX_GEModule::Get() { 28 return g_pGEModule; 29 } 30 void CFX_GEModule::Create(const char** userFontPaths) { 31 g_pGEModule = new CFX_GEModule(userFontPaths); 32 g_pGEModule->m_pFontMgr = new CFX_FontMgr; 33 g_pGEModule->InitPlatform(); 34 g_pGEModule->SetTextGamma(2.2f); 35 } 36 void CFX_GEModule::Use(CFX_GEModule* pModule) { 37 g_pGEModule = pModule; 38 } 39 void CFX_GEModule::Destroy() { 40 delete g_pGEModule; 41 g_pGEModule = NULL; 42 } 43 CFX_FontCache* CFX_GEModule::GetFontCache() { 44 if (!m_pFontCache) { 45 m_pFontCache = new CFX_FontCache(); 46 } 47 return m_pFontCache; 48 } 49 void CFX_GEModule::SetTextGamma(FX_FLOAT gammaValue) { 50 gammaValue /= 2.2f; 51 int i = 0; 52 while (i < 256) { 53 m_GammaValue[i] = 54 (uint8_t)(FXSYS_pow((FX_FLOAT)i / 255, gammaValue) * 255.0f + 0.5f); 55 i++; 56 } 57 } 58 const uint8_t* CFX_GEModule::GetTextGammaTable() { 59 return m_GammaValue; 60 } 61
