| // Copyright 2014 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 "core/fxge/include/fx_ge.h" |
| |
| #include "core/fxge/ge/fx_text_int.h" |
| |
| static CFX_GEModule* g_pGEModule = nullptr; |
| |
| CFX_GEModule::CFX_GEModule(const char** pUserFontPaths, |
| CCodec_ModuleMgr* pCodecModule) |
| : m_FTLibrary(nullptr), |
| m_pFontCache(nullptr), |
| m_pFontMgr(new CFX_FontMgr), |
| m_pCodecModule(pCodecModule), |
| m_pPlatformData(nullptr), |
| m_pUserFontPaths(pUserFontPaths) { |
| InitPlatform(); |
| SetTextGamma(2.2f); |
| } |
| |
| CFX_GEModule::~CFX_GEModule() { |
| delete m_pFontCache; |
| DestroyPlatform(); |
| } |
| |
| // static |
| void CFX_GEModule::Create(const char** userFontPaths, |
| CCodec_ModuleMgr* pCodecModule) { |
| ASSERT(!g_pGEModule); |
| g_pGEModule = new CFX_GEModule(userFontPaths, pCodecModule); |
| } |
| |
| // static |
| CFX_GEModule* CFX_GEModule::Get() { |
| return g_pGEModule; |
| } |
| |
| // static |
| void CFX_GEModule::Destroy() { |
| ASSERT(g_pGEModule); |
| delete g_pGEModule; |
| g_pGEModule = nullptr; |
| } |
| |
| CFX_FontCache* CFX_GEModule::GetFontCache() { |
| if (!m_pFontCache) |
| m_pFontCache = new CFX_FontCache(); |
| return m_pFontCache; |
| } |
| |
| void CFX_GEModule::SetTextGamma(FX_FLOAT gammaValue) { |
| gammaValue /= 2.2f; |
| for (int i = 0; i < 256; ++i) { |
| m_GammaValue[i] = static_cast<uint8_t>( |
| FXSYS_pow(static_cast<FX_FLOAT>(i) / 255, gammaValue) * 255.0f + 0.5f); |
| } |
| } |
| |
| const uint8_t* CFX_GEModule::GetTextGammaTable() const { |
| return m_GammaValue; |
| } |