1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
|
/*
*
* (C) Copyright IBM Corp. 1998-2007 - All Rights Reserved
*
*/
#ifndef __GLYPHPOSITIONADJUSTMENTS_H
#define __GLYPHPOSITIONADJUSTMENTS_H
/**
* \file
* \internal
*/
#include "LETypes.h"
#include "OpenTypeTables.h"
U_NAMESPACE_BEGIN
class LEGlyphStorage;
class LEFontInstance;
class GlyphPositionAdjustments : public UMemory
{
private:
class Adjustment : public UMemory {
public:
inline Adjustment();
inline Adjustment(float xPlace, float yPlace, float xAdv, float yAdv, le_int32 baseOff = -1);
inline ~Adjustment();
inline float getXPlacement() const;
inline float getYPlacement() const;
inline float getXAdvance() const;
inline float getYAdvance() const;
inline le_int32 getBaseOffset() const;
inline void setXPlacement(float newXPlacement);
inline void setYPlacement(float newYPlacement);
inline void setXAdvance(float newXAdvance);
inline void setYAdvance(float newYAdvance);
inline void setBaseOffset(le_int32 newBaseOffset);
inline void adjustXPlacement(float xAdjustment);
inline void adjustYPlacement(float yAdjustment);
inline void adjustXAdvance(float xAdjustment);
inline void adjustYAdvance(float yAdjustment);
private:
float xPlacement;
float yPlacement;
float xAdvance;
float yAdvance;
le_int32 baseOffset;
// allow copying of this class because all of its fields are simple types
};
class EntryExitPoint : public UMemory
{
public:
inline EntryExitPoint();
inline ~EntryExitPoint();
inline le_bool isCursiveGlyph() const;
inline le_bool baselineIsLogicalEnd() const;
LEPoint *getEntryPoint(LEPoint &entryPoint) const;
LEPoint *getExitPoint(LEPoint &exitPoint) const;
inline void clearEntryPoint();
inline void clearExitPoint();
inline void setEntryPoint(LEPoint &newEntryPoint, le_bool baselineIsLogicalEnd);
inline void setExitPoint(LEPoint &newExitPoint, le_bool baselineIsLogicalEnd);
inline void setCursiveGlyph(le_bool baselineIsLogicalEnd);
private:
enum EntryExitFlags
{
EEF_HAS_ENTRY_POINT = 0x80000000L,
EEF_HAS_EXIT_POINT = 0x40000000L,
EEF_IS_CURSIVE_GLYPH = 0x20000000L,
EEF_BASELINE_IS_LOGICAL_END = 0x10000000L
};
le_uint32 fFlags;
LEPoint fEntryPoint;
LEPoint fExitPoint;
};
le_int32 fGlyphCount;
EntryExitPoint *fEntryExitPoints;
Adjustment *fAdjustments;
GlyphPositionAdjustments();
public:
GlyphPositionAdjustments(le_int32 glyphCount);
~GlyphPositionAdjustments();
inline le_bool hasCursiveGlyphs() const;
inline le_bool isCursiveGlyph(le_int32 index) const;
inline le_bool baselineIsLogicalEnd(le_int32 index) const;
const LEPoint *getEntryPoint(le_int32 index, LEPoint &entryPoint) const;
const LEPoint *getExitPoint(le_int32 index, LEPoint &exitPoint) const;
inline float getXPlacement(le_int32 index) const;
inline float getYPlacement(le_int32 index) const;
inline float getXAdvance(le_int32 index) const;
inline float getYAdvance(le_int32 index) const;
inline le_int32 getBaseOffset(le_int32 index) const;
inline void setXPlacement(le_int32 index, float newXPlacement);
inline void setYPlacement(le_int32 index, float newYPlacement);
inline void setXAdvance(le_int32 index, float newXAdvance);
inline void setYAdvance(le_int32 index, float newYAdvance);
inline void setBaseOffset(le_int32 index, le_int32 newBaseOffset);
inline void adjustXPlacement(le_int32 index, float xAdjustment);
inline void adjustYPlacement(le_int32 index, float yAdjustment);
inline void adjustXAdvance(le_int32 index, float xAdjustment);
inline void adjustYAdvance(le_int32 index, float yAdjustment);
void clearEntryPoint(le_int32 index);
void clearExitPoint(le_int32 index);
void setEntryPoint(le_int32 index, LEPoint &newEntryPoint, le_bool baselineIsLogicalEnd);
void setExitPoint(le_int32 index, LEPoint &newExitPoint, le_bool baselineIsLogicalEnd);
void setCursiveGlyph(le_int32 index, le_bool baselineIsLogicalEnd);
void applyCursiveAdjustments(LEGlyphStorage &glyphStorage, le_bool rightToLeft, const LEFontInstance *fontInstance);
};
inline GlyphPositionAdjustments::Adjustment::Adjustment()
: xPlacement(0), yPlacement(0), xAdvance(0), yAdvance(0), baseOffset(-1)
{
// nothing else to do!
}
inline GlyphPositionAdjustments::Adjustment::Adjustment(float xPlace, float yPlace, float xAdv, float yAdv, le_int32 baseOff)
: xPlacement(xPlace), yPlacement(yPlace), xAdvance(xAdv), yAdvance(yAdv), baseOffset(baseOff)
{
// nothing else to do!
}
inline GlyphPositionAdjustments::Adjustment::~Adjustment()
{
// nothing to do!
}
inline float GlyphPositionAdjustments::Adjustment::getXPlacement() const
{
return xPlacement;
}
inline float GlyphPositionAdjustments::Adjustment::getYPlacement() const
{
return yPlacement;
}
inline float GlyphPositionAdjustments::Adjustment::getXAdvance() const
{
return xAdvance;
}
inline float GlyphPositionAdjustments::Adjustment::getYAdvance() const
{
return yAdvance;
}
inline le_int32 GlyphPositionAdjustments::Adjustment::getBaseOffset() const
{
return baseOffset;
}
inline void GlyphPositionAdjustments::Adjustment::setXPlacement(float newXPlacement)
{
xPlacement = newXPlacement;
}
inline void GlyphPositionAdjustments::Adjustment::setYPlacement(float newYPlacement)
{
yPlacement = newYPlacement;
}
inline void GlyphPositionAdjustments::Adjustment::setXAdvance(float newXAdvance)
{
xAdvance = newXAdvance;
}
inline void GlyphPositionAdjustments::Adjustment::setYAdvance(float newYAdvance)
{
yAdvance = newYAdvance;
}
inline void GlyphPositionAdjustments::Adjustment::setBaseOffset(le_int32 newBaseOffset)
{
baseOffset = newBaseOffset;
}
inline void GlyphPositionAdjustments::Adjustment::adjustXPlacement(float xAdjustment)
{
xPlacement += xAdjustment;
}
inline void GlyphPositionAdjustments::Adjustment::adjustYPlacement(float yAdjustment)
{
yPlacement += yAdjustment;
}
inline void GlyphPositionAdjustments::Adjustment::adjustXAdvance(float xAdjustment)
{
xAdvance += xAdjustment;
}
inline void GlyphPositionAdjustments::Adjustment::adjustYAdvance(float yAdjustment)
{
yAdvance += yAdjustment;
}
inline GlyphPositionAdjustments::EntryExitPoint::EntryExitPoint()
: fFlags(0)
{
fEntryPoint.fX = fEntryPoint.fY = fExitPoint.fX = fExitPoint.fY = 0;
}
inline GlyphPositionAdjustments::EntryExitPoint::~EntryExitPoint()
{
// nothing special to do
}
inline le_bool GlyphPositionAdjustments::EntryExitPoint::isCursiveGlyph() const
{
return (fFlags & EEF_IS_CURSIVE_GLYPH) != 0;
}
inline le_bool GlyphPositionAdjustments::EntryExitPoint::baselineIsLogicalEnd() const
{
return (fFlags & EEF_BASELINE_IS_LOGICAL_END) != 0;
}
inline void GlyphPositionAdjustments::EntryExitPoint::clearEntryPoint()
{
fFlags &= ~EEF_HAS_ENTRY_POINT;
}
inline void GlyphPositionAdjustments::EntryExitPoint::clearExitPoint()
{
fFlags &= ~EEF_HAS_EXIT_POINT;
}
inline void GlyphPositionAdjustments::EntryExitPoint::setEntryPoint(LEPoint &newEntryPoint, le_bool baselineIsLogicalEnd)
{
if (baselineIsLogicalEnd) {
fFlags |= (EEF_HAS_ENTRY_POINT | EEF_IS_CURSIVE_GLYPH | EEF_BASELINE_IS_LOGICAL_END);
} else {
fFlags |= (EEF_HAS_ENTRY_POINT | EEF_IS_CURSIVE_GLYPH);
}
fEntryPoint = newEntryPoint;
}
inline void GlyphPositionAdjustments::EntryExitPoint::setExitPoint(LEPoint &newExitPoint, le_bool baselineIsLogicalEnd)
{
if (baselineIsLogicalEnd) {
fFlags |= (EEF_HAS_EXIT_POINT | EEF_IS_CURSIVE_GLYPH | EEF_BASELINE_IS_LOGICAL_END);
} else {
fFlags |= (EEF_HAS_EXIT_POINT | EEF_IS_CURSIVE_GLYPH);
}
fExitPoint = newExitPoint;
}
inline void GlyphPositionAdjustments::EntryExitPoint::setCursiveGlyph(le_bool baselineIsLogicalEnd)
{
if (baselineIsLogicalEnd) {
fFlags |= (EEF_IS_CURSIVE_GLYPH | EEF_BASELINE_IS_LOGICAL_END);
} else {
fFlags |= EEF_IS_CURSIVE_GLYPH;
}
}
inline le_bool GlyphPositionAdjustments::isCursiveGlyph(le_int32 index) const
{
return fEntryExitPoints != NULL && fEntryExitPoints[index].isCursiveGlyph();
}
inline le_bool GlyphPositionAdjustments::baselineIsLogicalEnd(le_int32 index) const
{
return fEntryExitPoints != NULL && fEntryExitPoints[index].baselineIsLogicalEnd();
}
inline float GlyphPositionAdjustments::getXPlacement(le_int32 index) const
{
return fAdjustments[index].getXPlacement();
}
inline float GlyphPositionAdjustments::getYPlacement(le_int32 index) const
{
return fAdjustments[index].getYPlacement();
}
inline float GlyphPositionAdjustments::getXAdvance(le_int32 index) const
{
return fAdjustments[index].getXAdvance();
}
inline float GlyphPositionAdjustments::getYAdvance(le_int32 index) const
{
return fAdjustments[index].getYAdvance();
}
inline le_int32 GlyphPositionAdjustments::getBaseOffset(le_int32 index) const
{
return fAdjustments[index].getBaseOffset();
}
inline void GlyphPositionAdjustments::setXPlacement(le_int32 index, float newXPlacement)
{
fAdjustments[index].setXPlacement(newXPlacement);
}
inline void GlyphPositionAdjustments::setYPlacement(le_int32 index, float newYPlacement)
{
fAdjustments[index].setYPlacement(newYPlacement);
}
inline void GlyphPositionAdjustments::setXAdvance(le_int32 index, float newXAdvance)
{
fAdjustments[index].setXAdvance(newXAdvance);
}
inline void GlyphPositionAdjustments::setYAdvance(le_int32 index, float newYAdvance)
{
fAdjustments[index].setYAdvance(newYAdvance);
}
inline void GlyphPositionAdjustments::setBaseOffset(le_int32 index, le_int32 newBaseOffset)
{
fAdjustments[index].setBaseOffset(newBaseOffset);
}
inline void GlyphPositionAdjustments::adjustXPlacement(le_int32 index, float xAdjustment)
{
fAdjustments[index].adjustXPlacement(xAdjustment);
}
inline void GlyphPositionAdjustments::adjustYPlacement(le_int32 index, float yAdjustment)
{
fAdjustments[index].adjustYPlacement(yAdjustment);
}
inline void GlyphPositionAdjustments::adjustXAdvance(le_int32 index, float xAdjustment)
{
fAdjustments[index].adjustXAdvance(xAdjustment);
}
inline void GlyphPositionAdjustments::adjustYAdvance(le_int32 index, float yAdjustment)
{
fAdjustments[index].adjustYAdvance(yAdjustment);
}
inline le_bool GlyphPositionAdjustments::hasCursiveGlyphs() const
{
return fEntryExitPoints != NULL;
}
U_NAMESPACE_END
#endif
|
