15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2008, 2009 Apple Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2302772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef SegmentedFontData_h 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define SegmentedFontData_h 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 29a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)#include "platform/PlatformExport.h" 301e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "platform/fonts/FontData.h" 317757ec2eadfa2dd8ac2aeed0a4399e9b07ec38cbBen Murdoch#include "wtf/Vector.h" 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 33c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class SimpleFontData; 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)struct FontDataRange { 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FontDataRange(UChar32 from, UChar32 to, PassRefPtr<SimpleFontData> fontData) 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_from(from) 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) , m_to(to) 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) , m_fontData(fontData) 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) UChar32 from() const { return m_from; } 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) UChar32 to() const { return m_to; } 47f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) bool isEntireRange() const { return !m_from && m_to >= 0x10ffff; } 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) PassRefPtr<SimpleFontData> fontData() const { return m_fontData; } 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) UChar32 m_from; 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) UChar32 m_to; 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RefPtr<SimpleFontData> m_fontData; 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 56a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)class PLATFORM_EXPORT SegmentedFontData : public FontData { 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) static PassRefPtr<SegmentedFontData> create() { return adoptRef(new SegmentedFontData); } 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual ~SegmentedFontData(); 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void appendRange(const FontDataRange& range) { m_ranges.append(range); } 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) unsigned numRanges() const { return m_ranges.size(); } 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const FontDataRange& rangeAt(unsigned i) const { return m_ranges[i]; } 6509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) bool containsCharacter(UChar32) const; 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SegmentedFontData() { } 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 701e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) virtual const SimpleFontData* fontDataForCharacter(UChar32) const OVERRIDE; 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 721e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) virtual bool isCustomFont() const OVERRIDE; 731e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) virtual bool isLoading() const OVERRIDE; 741e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) virtual bool isLoadingFallback() const OVERRIDE; 751e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) virtual bool isSegmented() const OVERRIDE; 76d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) virtual bool shouldSkipDrawing() const OVERRIDE; 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Vector<FontDataRange, 1> m_ranges; 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 81197021e6b966cfb06891637935ef33fff06433d1Ben MurdochDEFINE_FONT_DATA_TYPE_CASTS(SegmentedFontData, true); 829bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles) 83c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // SegmentedFontData_h 86