/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #ifndef INCLUDED_VCL_IMPGLYPHITEM_HXX #define INCLUDED_VCL_IMPGLYPHITEM_HXX #include #include #include #include #include #include #include "font/LogicalFontInstance.hxx" #include "glyphid.hxx" enum class GlyphItemFlags : sal_uInt8 { NONE = 0, IS_IN_CLUSTER = 0x01, IS_RTL_GLYPH = 0x02, IS_VERTICAL = 0x04, IS_SPACING = 0x08, IS_DROPPED = 0x10, IS_CLUSTER_START = 0x20, IS_UNSAFE_TO_BREAK = 0x40, // HB_GLYPH_FLAG_UNSAFE_TO_BREAK from harfbuzz IS_SAFE_TO_INSERT_KASHIDA = 0x80 // HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL from harfbuzz }; namespace o3tl { template <> struct typed_flags : is_typed_flags { }; }; class VCL_DLLPUBLIC GlyphItem { basegfx::B2DPoint m_aLinearPos; // absolute position of non rotated string double m_nOrigWidth; // original glyph width sal_Int32 m_nCharPos; // index in string (by grapheme cluster) sal_Int32 m_nOrigCharPos; // original index in string, if available double m_nXOffset; double m_nYOffset; double m_nNewWidth; // width after adjustments sal_GlyphId m_aGlyphId; GlyphItemFlags m_nFlags; sal_Int8 m_nCharCount; // number of characters making up this glyph public: GlyphItem(int nCharPos, int nCharCount, sal_GlyphId aGlyphId, const basegfx::B2DPoint& rLinearPos, GlyphItemFlags nFlags, double nOrigWidth, double nXOffset, double nYOffset, int nOrigCharPos) : m_aLinearPos(rLinearPos) , m_nOrigWidth(nOrigWidth) , m_nCharPos(nCharPos) , m_nOrigCharPos(nOrigCharPos) , m_nXOffset(nXOffset) , m_nYOffset(nYOffset) , m_nNewWidth(nOrigWidth) , m_aGlyphId(aGlyphId) , m_nFlags(nFlags) , m_nCharCount(nCharCount) { } bool IsInCluster() const { return bool(m_nFlags & GlyphItemFlags::IS_IN_CLUSTER); } bool IsRTLGlyph() const { return bool(m_nFlags & GlyphItemFlags::IS_RTL_GLYPH); } bool IsVertical() const { return bool(m_nFlags & GlyphItemFlags::IS_VERTICAL); } bool IsSpacing() const { return bool(m_nFlags & GlyphItemFlags::IS_SPACING); } bool IsDropped() const { return bool(m_nFlags & GlyphItemFlags::IS_DROPPED); } bool IsClusterStart() const { return bool(m_nFlags & GlyphItemFlags::IS_CLUSTER_START); } bool IsUnsafeToBreak() const { return bool(m_nFlags & GlyphItemFlags::IS_UNSAFE_TO_BREAK); } bool IsSafeToInsertKashida() const { return bool(m_nFlags & GlyphItemFlags::IS_SAFE_TO_INSERT_KASHIDA); } inline bool GetGlyphBoundRect(const LogicalFontInstance*, basegfx::B2DRectangle&) const; inline bool GetGlyphOutline(const LogicalFontInstance*, basegfx::B2DPolyPolygon&) const; inline void dropGlyph(); sal_GlyphId glyphId() const { return m_aGlyphId; } int charCount() const { return m_nCharCount; } double origWidth() const { return m_nOrigWidth; } int charPos() const { return m_nCharPos; } int origCharPos() const { return m_nOrigCharPos; } double xOffset() const { return m_nXOffset; } double yOffset() const { return m_nYOffset; } double newWidth() const { return m_nNewWidth; } const basegfx::B2DPoint& linearPos() const { return m_aLinearPos; } void setNewWidth(double width) { m_nNewWidth = width; } void addNewWidth(double width) { m_nNewWidth += width; } void setLinearPos(const basegfx::B2DPoint& point) { m_aLinearPos = point; } void setLinearPosX(double x) { m_aLinearPos.setX(x); } void adjustLinearPosX(double diff) { m_aLinearPos.adjustX(diff); } bool isLayoutEquivalent(const GlyphItem& other) const { return rtl::math::approxEqual(m_aLinearPos.getX(), other.m_aLinearPos.getX(), 8) && rtl::math::approxEqual(m_aLinearPos.getY(), other.m_aLinearPos.getY(), 8) && m_nOrigWidth == other.m_nOrigWidth && m_nCharPos == other.m_nCharPos && m_nXOffset == other.m_nXOffset && m_nYOffset == other.m_nYOffset && m_nNewWidth == other.m_nNewWidth && m_aGlyphId == other.m_aGlyphId && m_nCharCount == other.m_nCharCount && (m_nFlags & ~GlyphItemFlags::IS_UNSAFE_TO_BREAK) == (other.m_nFlags & ~GlyphItemFlags::IS_UNSAFE_TO_BREAK); } }; bool GlyphItem::GetGlyphBoundRect(const LogicalFontInstance* pFontInstance, basegfx::B2DRectangle& rRect) const { return pFontInstance->GetGlyphBoundRect(m_aGlyphId, rRect, IsVertical()); } bool GlyphItem::GetGlyphOutline(const LogicalFontInstance* pFontInstance, basegfx::B2DPolyPolygon& rPoly) const { return pFontInstance->GetGlyphOutline(m_aGlyphId, rPoly, IsVertical()); } void GlyphItem::dropGlyph() { m_nCharPos = -1; m_nFlags |= GlyphItemFlags::IS_DROPPED; } class SalLayoutGlyphsImpl : public std::vector { public: SalLayoutGlyphsImpl(LogicalFontInstance& rFontInstance) : m_rFontInstance(&rFontInstance) { } SalLayoutGlyphsImpl* clone() const; SalLayoutGlyphsImpl* cloneCharRange(sal_Int32 index, sal_Int32 length) const; const rtl::Reference& GetFont() const { return m_rFontInstance; } bool IsValid() const; void SetFlags(SalLayoutFlags flags) { mnFlags = flags; } SalLayoutFlags GetFlags() const { return mnFlags; } #ifdef DBG_UTIL bool isLayoutEquivalent(const SalLayoutGlyphsImpl* other) const; #endif private: bool isSafeToBreak(const_iterator pos, bool rtl) const; rtl::Reference m_rFontInstance; SalLayoutFlags mnFlags = SalLayoutFlags::NONE; }; #endif // INCLUDED_VCL_IMPGLYPHITEM_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */