forked from mirrors/gecko-dev
		
	 5b0ab0f5a6
			
		
	
	
		5b0ab0f5a6
		
	
	
	
	
		
			
			This one is a bit messy so I was very conservative on the changes. Differential Revision: https://phabricator.services.mozilla.com/D149922
		
			
				
	
	
		
			92 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			92 lines
		
	
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| /* vim: set ts=8 sts=2 et sw=2 tw=80: */
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| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| #include "NativeFontResourceFreeType.h"
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| #include "UnscaledFontFreeType.h"
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| 
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| namespace mozilla::gfx {
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| 
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| NativeFontResourceFreeType::NativeFontResourceFreeType(
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|     UniquePtr<uint8_t[]>&& aFontData, uint32_t aDataLength,
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|     FT_Library aFTLibrary)
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|     : NativeFontResource(aDataLength),
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|       mFontData(std::move(aFontData)),
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|       mDataLength(aDataLength),
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|       mFTLibrary(aFTLibrary) {}
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| 
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| NativeFontResourceFreeType::~NativeFontResourceFreeType() = default;
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| 
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| template <class T>
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| already_AddRefed<T> NativeFontResourceFreeType::CreateInternal(
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|     uint8_t* aFontData, uint32_t aDataLength, FT_Library aFTLibrary) {
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|   if (!aFontData || !aDataLength) {
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|     return nullptr;
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|   }
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|   UniquePtr<uint8_t[]> fontData(new (fallible) uint8_t[aDataLength]);
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|   if (!fontData) {
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|     return nullptr;
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|   }
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|   memcpy(fontData.get(), aFontData, aDataLength);
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| 
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|   RefPtr<T> resource = new T(std::move(fontData), aDataLength, aFTLibrary);
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|   return resource.forget();
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| }
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| 
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| #ifdef MOZ_WIDGET_ANDROID
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| already_AddRefed<NativeFontResourceFreeType> NativeFontResourceFreeType::Create(
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|     uint8_t* aFontData, uint32_t aDataLength, FT_Library aFTLibrary) {
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|   return CreateInternal<NativeFontResourceFreeType>(aFontData, aDataLength,
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|                                                     aFTLibrary);
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| }
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| 
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| already_AddRefed<UnscaledFont> NativeFontResourceFreeType::CreateUnscaledFont(
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|     uint32_t aIndex, const uint8_t* aInstanceData,
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|     uint32_t aInstanceDataLength) {
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|   if (RefPtr<SharedFTFace> face = CloneFace()) {
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|     return MakeAndAddRef<UnscaledFontFreeType>(std::move(face));
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|   }
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|   return nullptr;
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| }
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| #endif
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| 
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| already_AddRefed<SharedFTFace> NativeFontResourceFreeType::CloneFace(
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|     int aFaceIndex) {
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|   RefPtr<SharedFTFace> face = Factory::NewSharedFTFaceFromData(
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|       mFTLibrary, mFontData.get(), mDataLength, aFaceIndex, this);
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|   if (!face ||
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|       (FT_Select_Charmap(face->GetFace(), FT_ENCODING_UNICODE) != FT_Err_Ok &&
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|        FT_Select_Charmap(face->GetFace(), FT_ENCODING_MS_SYMBOL) !=
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|            FT_Err_Ok)) {
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|     return nullptr;
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|   }
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|   return face.forget();
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| }
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| 
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| #ifdef MOZ_WIDGET_GTK
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| NativeFontResourceFontconfig::NativeFontResourceFontconfig(
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|     UniquePtr<uint8_t[]>&& aFontData, uint32_t aDataLength,
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|     FT_Library aFTLibrary)
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|     : NativeFontResourceFreeType(std::move(aFontData), aDataLength,
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|                                  aFTLibrary) {}
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| 
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| already_AddRefed<UnscaledFont> NativeFontResourceFontconfig::CreateUnscaledFont(
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|     uint32_t aIndex, const uint8_t* aInstanceData,
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|     uint32_t aInstanceDataLength) {
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|   if (RefPtr<SharedFTFace> face = CloneFace()) {
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|     return MakeAndAddRef<UnscaledFontFontconfig>(std::move(face));
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|   }
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|   return nullptr;
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| }
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| 
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| already_AddRefed<NativeFontResourceFontconfig>
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| NativeFontResourceFontconfig::Create(uint8_t* aFontData, uint32_t aDataLength,
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|                                      FT_Library aFTLibrary) {
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|   return CreateInternal<NativeFontResourceFontconfig>(aFontData, aDataLength,
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|                                                       aFTLibrary);
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| }
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| #endif
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| 
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| }  // namespace mozilla::gfx
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