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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 "core/fxge/cfx_gemodule.h"
#include "core/fxcodec/fx_codec.h"
#include "core/fxge/cfx_fontcache.h"
#include "core/fxge/cfx_fontmgr.h"
#include "core/fxge/ge/cfx_folderfontinfo.h"
#include "core/fxge/ge/fx_text_int.h"
#include "third_party/base/ptr_util.h"
namespace {
CFX_GEModule* g_pGEModule = nullptr;
} // namespace
CFX_GEModule::CFX_GEModule()
: m_pFontMgr(pdfium::MakeUnique<CFX_FontMgr>()),
m_pCodecModule(pdfium::MakeUnique<CCodec_ModuleMgr>()),
m_pPlatformData(nullptr),
m_pUserFontPaths(nullptr) {}
CFX_GEModule::~CFX_GEModule() {
DestroyPlatform();
}
// static
CFX_GEModule* CFX_GEModule::Get() {
if (!g_pGEModule)
g_pGEModule = new CFX_GEModule();
return g_pGEModule;
}
// static
void CFX_GEModule::Destroy() {
ASSERT(g_pGEModule);
delete g_pGEModule;
g_pGEModule = nullptr;
}
void CFX_GEModule::Init(const char** userFontPaths) {
ASSERT(g_pGEModule);
m_pUserFontPaths = userFontPaths;
InitPlatform();
SetTextGamma(2.2f);
}
CFX_FontCache* CFX_GEModule::GetFontCache() {
if (!m_pFontCache)
m_pFontCache = pdfium::MakeUnique<CFX_FontCache>();
return m_pFontCache.get();
}
void CFX_GEModule::SetTextGamma(float gammaValue) {
gammaValue /= 2.2f;
for (int i = 0; i < 256; ++i) {
m_GammaValue[i] = static_cast<uint8_t>(
FXSYS_pow(static_cast<float>(i) / 255, gammaValue) * 255.0f + 0.5f);
}
}
const uint8_t* CFX_GEModule::GetTextGammaTable() const {
return m_GammaValue;
}
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