summaryrefslogtreecommitdiff
path: root/Build/source/libs/icu/icu-src/source/layoutex/playout.cpp
blob: cebd4bb4add3bb6395e1ea9511fdf8a7e4f3edd9 (plain)
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
// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
 *
 * (C) Copyright IBM Corp. 1998-2007 - All Rights Reserved
 *
 */

/*
 * paragraphLayout doesn't make much sense without
 * BreakIterator...
 */
#include "layout/LETypes.h"
#include "layout/loengine.h"
#include "layout/plruns.h"
#include "layout/playout.h"

#include "unicode/locid.h"

#include "layout/LayoutEngine.h"
#include "layout/ParagraphLayout.h"

#if ! UCONFIG_NO_BREAK_ITERATION

U_NAMESPACE_USE

U_CAPI pl_paragraph * U_EXPORT2
pl_create(const LEUnicode chars[],
          le_int32 count,
          const pl_fontRuns *fontRuns,
          const pl_valueRuns *levelRuns,
          const pl_valueRuns *scriptRuns,
          const pl_localeRuns *localeRuns,
          UBiDiLevel paragraphLevel,
          le_bool vertical,
          LEErrorCode *status)
{
    ParagraphLayout *pl = new ParagraphLayout(chars, count, (const FontRuns *) fontRuns,
        (const ValueRuns *) levelRuns, (const ValueRuns *) scriptRuns, (const LocaleRuns *) localeRuns,
        paragraphLevel, vertical, *status);

    return (pl_paragraph *) pl;
}

U_CAPI void U_EXPORT2
pl_close(pl_paragraph *paragraph)
{
    ParagraphLayout *pl = (ParagraphLayout *) paragraph;

    delete pl;
}

U_CAPI le_bool U_EXPORT2
pl_isComplex(const LEUnicode chars[],
             le_int32 count)
{
    return ParagraphLayout::isComplex(chars, count);
}

U_CAPI UBiDiLevel U_EXPORT2
pl_getParagraphLevel(pl_paragraph *paragraph)
{
    ParagraphLayout *pl = (ParagraphLayout *) paragraph;

    if (pl == NULL) {
        return 0;
    }

    return pl->getParagraphLevel();
}

U_CAPI UBiDiDirection U_EXPORT2
pl_getTextDirection(pl_paragraph *paragraph)
{
    ParagraphLayout *pl = (ParagraphLayout *) paragraph;

    if (pl == NULL) {
        return UBIDI_LTR;
    }

    return pl->getTextDirection();
}

U_CAPI le_int32 U_EXPORT2
pl_getAscent(const pl_paragraph *paragraph)
{
    ParagraphLayout *pl = (ParagraphLayout *) paragraph;

    if (pl == NULL) {
        return 0;
    }

    return pl->getAscent();
}

U_CAPI le_int32 U_EXPORT2
pl_getDescent(const pl_paragraph *paragraph)
{
    ParagraphLayout *pl = (ParagraphLayout *) paragraph;

    if (pl == NULL) {
        return 0;
    }

    return pl->getDescent();
}

U_CAPI le_int32 U_EXPORT2
pl_getLeading(const pl_paragraph *paragraph)
{
    ParagraphLayout *pl = (ParagraphLayout *) paragraph;

    if (pl == NULL) {
        return 0;
    }

    return pl->getLeading();
}

U_CAPI void U_EXPORT2
pl_reflow(pl_paragraph *paragraph)
{
    ParagraphLayout *pl = (ParagraphLayout *) paragraph;

    if (pl == NULL) {
        return;
    }

    return pl->reflow();
}

U_CAPI pl_line * U_EXPORT2
pl_nextLine(pl_paragraph *paragraph, float width)
{
    ParagraphLayout *pl = (ParagraphLayout *) paragraph;

    if (pl == NULL) {
        return NULL;
    }

    return (pl_line *) pl->nextLine(width);
}

U_CAPI void U_EXPORT2
pl_closeLine(pl_line *line)
{
    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;

    delete ll;
}

U_CAPI le_int32 U_EXPORT2
pl_countLineRuns(const pl_line *line)
{
    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;

    if (ll == NULL) {
        return 0;
    }

    return ll->countRuns();
}

U_CAPI le_int32 U_EXPORT2
pl_getLineAscent(const pl_line *line)
{
    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;

    if (ll == NULL) {
        return 0;
    }

    return ll->getAscent();
}

U_CAPI le_int32 U_EXPORT2
pl_getLineDescent(const pl_line *line)
{
    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;

    if (ll == NULL) {
        return 0;
    }

    return ll->getDescent();
}

U_CAPI le_int32 U_EXPORT2
pl_getLineLeading(const pl_line *line)
{
    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;

    if (ll == NULL) {
        return 0;
    }

    return ll->getLeading();
}

U_CAPI le_int32 U_EXPORT2
pl_getLineWidth(const pl_line *line)
{
    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;

    if (ll == NULL) {
        return 0;
    }

    return ll->getWidth();
}

U_CAPI const pl_visualRun * U_EXPORT2
pl_getLineVisualRun(const pl_line *line, le_int32 runIndex)
{
    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;

    if (ll == NULL) {
        return 0;
    }

    return (pl_visualRun *) ll->getVisualRun(runIndex);
}

U_CAPI const le_font * U_EXPORT2
pl_getVisualRunFont(const pl_visualRun *run)
{
    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;

    if (vr == NULL) {
        return NULL;
    }

    return (const le_font *) vr->getFont();
}

U_CAPI UBiDiDirection U_EXPORT2
pl_getVisualRunDirection(const pl_visualRun *run)
{
    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;

    if (vr == NULL) {
        return UBIDI_LTR;
    }

    return vr->getDirection();
}

U_CAPI le_int32 U_EXPORT2
pl_getVisualRunGlyphCount(const pl_visualRun *run)
{
    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;

    if (vr == NULL) {
        return -1;
    }

    return vr->getGlyphCount();
}

U_CAPI const LEGlyphID * U_EXPORT2
pl_getVisualRunGlyphs(const pl_visualRun *run)
{
    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;

    if (vr == NULL) {
        return NULL;
    }

    return vr->getGlyphs();
}

U_CAPI const float * U_EXPORT2
pl_getVisualRunPositions(const pl_visualRun *run)
{
    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;

    if (vr == NULL) {
        return NULL;
    }

    return vr->getPositions();
}

U_CAPI const le_int32 * U_EXPORT2
pl_getVisualRunGlyphToCharMap(const pl_visualRun *run)
{
    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;

    if (vr == NULL) {
        return NULL;
    }

    return vr->getGlyphToCharMap();
}

U_CAPI le_int32 U_EXPORT2
pl_getVisualRunAscent(const pl_visualRun *run)
{
    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;

    if (vr == NULL) {
        return 0;
    }

    return vr->getAscent();
}

U_CAPI le_int32 U_EXPORT2
pl_getVisualRunDescent(const pl_visualRun *run)
{
    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;

    if (vr == NULL) {
        return 0;
    }

    return vr->getDescent();
}

U_CAPI le_int32 U_EXPORT2
pl_getVisualRunLeading(const pl_visualRun *run)
{
    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;

    if (vr == NULL) {
        return 0;
    }

    return vr->getLeading();
}

#endif