LibreOffice Module vcl (master) 1
impglyphitem.hxx
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1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2/*
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9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
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15 * License, Version 2.0 (the "License"); you may not use this file
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17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20#ifndef INCLUDED_VCL_IMPGLYPHITEM_HXX
21#define INCLUDED_VCL_IMPGLYPHITEM_HXX
22
24#include <tools/gen.hxx>
25#include <vcl/dllapi.h>
26#include <vcl/outdev.hxx>
27#include <vector>
28
30#include "glyphid.hxx"
31
32enum class GlyphItemFlags : sal_uInt16
33{
34 NONE = 0,
35 IS_IN_CLUSTER = 0x01,
36 IS_RTL_GLYPH = 0x02,
37 IS_DIACRITIC = 0x04,
38 IS_VERTICAL = 0x08,
39 IS_SPACING = 0x10,
40 IS_DROPPED = 0x40,
41 IS_CLUSTER_START = 0x80,
42 IS_UNSAFE_TO_BREAK = 0x100, // HB_GLYPH_FLAG_UNSAFE_TO_BREAK from harfbuzz
43 IS_SAFE_TO_INSERT_KASHIDA = 0x200 // HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL from harfbuzz
44};
45namespace o3tl
46{
47template <> struct typed_flags<GlyphItemFlags> : is_typed_flags<GlyphItemFlags, 0x3df>
48{
49};
50};
51
53{
54 DevicePoint m_aLinearPos; // absolute position of non rotated string
55 DeviceCoordinate m_nOrigWidth; // original glyph width
56 sal_Int32 m_nCharPos; // index in string
57 sal_Int32 m_nXOffset;
58 sal_Int32 m_nYOffset;
59 DeviceCoordinate m_nNewWidth; // width after adjustments
62 sal_Int8 m_nCharCount; // number of characters making up this glyph
63
64public:
65 GlyphItem(int nCharPos, int nCharCount, sal_GlyphId aGlyphId, const DevicePoint& rLinearPos,
66 GlyphItemFlags nFlags, DeviceCoordinate nOrigWidth, int nXOffset, int nYOffset)
67 : m_aLinearPos(rLinearPos)
68 , m_nOrigWidth(nOrigWidth)
69 , m_nCharPos(nCharPos)
70 , m_nXOffset(nXOffset)
71 , m_nYOffset(nYOffset)
72 , m_nNewWidth(nOrigWidth)
73 , m_aGlyphId(aGlyphId)
74 , m_nFlags(nFlags)
75 , m_nCharCount(nCharCount)
76 {
77 }
78
79 bool IsInCluster() const { return bool(m_nFlags & GlyphItemFlags::IS_IN_CLUSTER); }
80 bool IsRTLGlyph() const { return bool(m_nFlags & GlyphItemFlags::IS_RTL_GLYPH); }
81 bool IsDiacritic() const { return bool(m_nFlags & GlyphItemFlags::IS_DIACRITIC); }
82 bool IsVertical() const { return bool(m_nFlags & GlyphItemFlags::IS_VERTICAL); }
83 bool IsSpacing() const { return bool(m_nFlags & GlyphItemFlags::IS_SPACING); }
84 bool IsDropped() const { return bool(m_nFlags & GlyphItemFlags::IS_DROPPED); }
88 {
90 }
91
92 inline bool GetGlyphBoundRect(const LogicalFontInstance*, tools::Rectangle&) const;
93 inline bool GetGlyphOutline(const LogicalFontInstance*, basegfx::B2DPolyPolygon&) const;
94 inline void dropGlyph();
95
96 sal_GlyphId glyphId() const { return m_aGlyphId; }
97 int charCount() const { return m_nCharCount; }
98 DeviceCoordinate origWidth() const { return m_nOrigWidth; }
99 int charPos() const { return m_nCharPos; }
100 int xOffset() const { return m_nXOffset; }
101 int yOffset() const { return m_nYOffset; }
102 DeviceCoordinate newWidth() const { return m_nNewWidth; }
103 const DevicePoint& linearPos() const { return m_aLinearPos; }
104
105 void setNewWidth(DeviceCoordinate width) { m_nNewWidth = width; }
106 void addNewWidth(DeviceCoordinate width) { m_nNewWidth += width; }
107 void setLinearPos(const DevicePoint& point) { m_aLinearPos = point; }
108 void setLinearPosX(double x) { m_aLinearPos.setX(x); }
109 void adjustLinearPosX(double diff) { m_aLinearPos.adjustX(diff); }
110 bool operator==(const GlyphItem& other) const
111 {
112 return m_aLinearPos == other.m_aLinearPos && m_nOrigWidth == other.m_nOrigWidth
113 && m_nCharPos == other.m_nCharPos && m_nXOffset == other.m_nXOffset
114 && m_nYOffset == other.m_nYOffset && m_nNewWidth == other.m_nNewWidth
115 && m_aGlyphId == other.m_aGlyphId && m_nCharCount == other.m_nCharCount
116 && m_nFlags == other.m_nFlags;
117 }
118 bool operator!=(const GlyphItem& other) const { return !(*this == other); }
119};
120
122 tools::Rectangle& rRect) const
123{
124 return pFontInstance->GetGlyphBoundRect(m_aGlyphId, rRect, IsVertical());
125}
126
128 basegfx::B2DPolyPolygon& rPoly) const
129{
130 return pFontInstance->GetGlyphOutline(m_aGlyphId, rPoly, IsVertical());
131}
132
134{
135 m_nCharPos = -1;
137}
138
139class SalLayoutGlyphsImpl : public std::vector<GlyphItem>
140{
141public:
143 : m_rFontInstance(&rFontInstance)
144 {
145 }
146 SalLayoutGlyphsImpl* clone() const;
147 SalLayoutGlyphsImpl* cloneCharRange(sal_Int32 index, sal_Int32 length) const;
149 bool IsValid() const;
150 void SetFlags(SalLayoutFlags flags) { mnFlags = flags; }
151 SalLayoutFlags GetFlags() const { return mnFlags; }
152#ifdef DBG_UTIL
153 bool isEqual(const SalLayoutGlyphsImpl* other) const;
154#endif
155
156private:
157 bool isSafeToBreak(const_iterator pos, bool rtl) const;
160};
161
162#endif // INCLUDED_VCL_IMPGLYPHITEM_HXX
163
164/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
SalLayoutFlags
void setLinearPos(const DevicePoint &point)
bool GetGlyphBoundRect(const LogicalFontInstance *, tools::Rectangle &) const
sal_Int32 m_nYOffset
sal_Int32 m_nXOffset
int xOffset() const
bool GetGlyphOutline(const LogicalFontInstance *, basegfx::B2DPolyPolygon &) const
DeviceCoordinate m_nOrigWidth
void setNewWidth(DeviceCoordinate width)
void addNewWidth(DeviceCoordinate width)
bool IsSpacing() const
sal_Int32 m_nCharPos
bool IsRTLGlyph() const
sal_GlyphId m_aGlyphId
void setLinearPosX(double x)
bool IsSafeToInsertKashida() const
GlyphItemFlags m_nFlags
sal_GlyphId glyphId() const
DeviceCoordinate newWidth() const
bool IsClusterStart() const
int charPos() const
bool IsDropped() const
const DevicePoint & linearPos() const
int charCount() const
DevicePoint m_aLinearPos
bool IsVertical() const
int yOffset() const
GlyphItem(int nCharPos, int nCharCount, sal_GlyphId aGlyphId, const DevicePoint &rLinearPos, GlyphItemFlags nFlags, DeviceCoordinate nOrigWidth, int nXOffset, int nYOffset)
bool IsUnsafeToBreak() const
bool operator!=(const GlyphItem &other) const
bool operator==(const GlyphItem &other) const
DeviceCoordinate m_nNewWidth
sal_Int8 m_nCharCount
void dropGlyph()
bool IsInCluster() const
bool IsDiacritic() const
void adjustLinearPosX(double diff)
DeviceCoordinate origWidth() const
virtual bool GetGlyphOutline(sal_GlyphId, basegfx::B2DPolyPolygon &, bool) const =0
bool GetGlyphBoundRect(sal_GlyphId, tools::Rectangle &, bool) const
SalLayoutGlyphsImpl(LogicalFontInstance &rFontInstance)
void SetFlags(SalLayoutFlags flags)
SalLayoutFlags GetFlags() const
bool isEqual(const SalLayoutGlyphsImpl *other) const
rtl::Reference< LogicalFontInstance > m_rFontInstance
SalLayoutGlyphsImpl * clone() const
bool IsValid() const
bool isSafeToBreak(const_iterator pos, bool rtl) const
SalLayoutFlags mnFlags
SalLayoutGlyphsImpl * cloneCharRange(sal_Int32 index, sal_Int32 length) const
const rtl::Reference< LogicalFontInstance > & GetFont() const
void adjustX(TYPE fX)
void setX(TYPE fX)
sal_Int32 DeviceCoordinate
#define VCL_DLLPUBLIC
Definition: dllapi.h:29
float x
sal_Int32 m_nFlags
uint32_t sal_GlyphId
Definition: glyphid.hxx:24
GlyphItemFlags
def point()
NONE
signed char sal_Int8