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
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QDebug>
#include <QTextDocument>
#include <QTextDocumentWriter>
#include <QTextLayout>
#include <QTextCursor>
#include <qmath.h>
#include <QFile>
#include <QPainter>
#include <QBuffer>
#include <qtest.h>
Q_DECLARE_METATYPE(QList<QTextLayout::FormatRange>)
class tst_QText: public QObject
{
Q_OBJECT
public:
tst_QText() {
m_lorem = QString::fromLatin1("Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi.");
m_shortLorem = QString::fromLatin1("Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.");
}
private slots:
void loadHtml_data();
void loadHtml();
void shaping_data();
void shaping();
void odfWriting_empty();
void odfWriting_text();
void odfWriting_images();
void constructDocument();
void newLineReplacement();
void formatManipulation();
void fontResolution();
void layout_data();
void layout();
void formattedLayout_data();
void formattedLayout();
void paintLayoutToPixmap();
void paintLayoutToPixmap_painterFill();
void document();
void paintDocToPixmap();
void paintDocToPixmap_painterFill();
private:
QSize setupTextLayout(QTextLayout *layout, bool wrap = true, int wrapWidth = 100);
QString m_lorem;
QString m_shortLorem;
};
void tst_QText::loadHtml_data()
{
QTest::addColumn<QString>("source");
QTest::newRow("empty") << QString();
QTest::newRow("simple") << QString::fromLatin1("<html><b>Foo</b></html>");
QTest::newRow("simple2") << QString::fromLatin1("<b>Foo</b>");
QString parag = QString::fromLatin1("<p>%1</p>").arg(m_lorem);
QString header = QString::fromLatin1("<html><head><title>test</title></head><body>");
QTest::newRow("long") << QString::fromLatin1("<html><head><title>test</title></head><body>") + parag + parag + parag
+ parag + parag + parag + parag + parag + parag + parag + parag + parag + parag + parag + parag + parag + parag
+ QString::fromLatin1("</html>");
QTest::newRow("table") << header + QLatin1String("<table border=\"1\"1><tr><td>xx</td></tr><tr><td colspan=\"2\">")
+ parag + QLatin1String("</td></tr></table></html");
QTest::newRow("crappy") << header + QLatin1String("<table border=\"1\"1><tr><td>xx</td></tr><tr><td colspan=\"2\">")
+ parag;
}
void tst_QText::loadHtml()
{
QFETCH(QString, source);
QTextDocument doc;
QBENCHMARK {
doc.setHtml(source);
}
}
void tst_QText::shaping_data()
{
QTest::addColumn<QString>("parag");
QTest::newRow("empty") << QString();
QTest::newRow("lorem") << m_lorem;
QTest::newRow("short") << QString::fromLatin1("Lorem ipsum dolor sit amet");
QString testFile = QFINDTESTDATA("bidi.txt");
QVERIFY2(!testFile.isEmpty(), "cannot find test file bidi.txt!");
QFile file(testFile);
QVERIFY(file.open(QFile::ReadOnly));
QByteArray data = file.readAll();
QVERIFY(data.size() > 1000);
QStringList list = QString::fromUtf8(data.data()).split(QLatin1Char('\n'), Qt::SkipEmptyParts);
QVERIFY(list.size() % 2 == 0); // even amount as we have title and then content.
for (int i = 0; i < list.size(); i += 2) {
QTest::newRow(list.at(i).toLatin1()) << list.at(i+1);
}
}
void tst_QText::shaping()
{
QFETCH(QString, parag);
QTextLayout lay(parag);
lay.setCacheEnabled(false);
// do one run to make sure any fonts are loaded.
lay.beginLayout();
lay.createLine();
lay.endLayout();
QBENCHMARK {
lay.beginLayout();
lay.createLine();
lay.endLayout();
}
}
void tst_QText::odfWriting_empty()
{
QVERIFY(QTextDocumentWriter::supportedDocumentFormats().contains("ODF")); // odf compiled in
QTextDocument *doc = new QTextDocument();
// write it
QBENCHMARK {
QBuffer buffer;
buffer.open(QIODevice::WriteOnly);
QTextDocumentWriter writer(&buffer, "ODF");
writer.write(doc);
}
delete doc;
}
void tst_QText::odfWriting_text()
{
QTextDocument *doc = new QTextDocument();
QTextCursor cursor(doc);
QTextBlockFormat bf;
bf.setIndent(2);
cursor.insertBlock(bf);
cursor.insertText(m_lorem);
bf.setTopMargin(10);
cursor.insertBlock(bf);
cursor.insertText(m_lorem);
bf.setRightMargin(30);
cursor.insertBlock(bf);
cursor.insertText(m_lorem);
// write it
QBENCHMARK {
QBuffer buffer;
buffer.open(QIODevice::WriteOnly);
QTextDocumentWriter writer(&buffer, "ODF");
writer.write(doc);
}
delete doc;
}
void tst_QText::odfWriting_images()
{
QTextDocument *doc = new QTextDocument();
QTextCursor cursor(doc);
cursor.insertText(m_lorem);
QImage image(400, 200, QImage::Format_ARGB32_Premultiplied);
cursor.insertImage(image);
cursor.insertText(m_lorem);
// write it
QBENCHMARK {
QBuffer buffer;
buffer.open(QIODevice::WriteOnly);
QTextDocumentWriter writer(&buffer, "ODF");
writer.write(doc);
}
delete doc;
}
QSize tst_QText::setupTextLayout(QTextLayout *layout, bool wrap, int wrapWidth)
{
layout->setCacheEnabled(true);
int height = 0;
qreal widthUsed = 0;
qreal lineWidth = 0;
//set manual width
if (wrap)
lineWidth = wrapWidth;
layout->beginLayout();
while (1) {
QTextLine line = layout->createLine();
if (!line.isValid())
break;
if (wrap)
line.setLineWidth(lineWidth);
}
layout->endLayout();
for (int i = 0; i < layout->lineCount(); ++i) {
QTextLine line = layout->lineAt(i);
widthUsed = qMax(widthUsed, line.naturalTextWidth());
line.setPosition(QPointF(0, height));
height += int(line.height());
}
return QSize(qCeil(widthUsed), height);
}
void tst_QText::constructDocument()
{
QTextDocument *doc = new QTextDocument;
delete doc;
QBENCHMARK {
QTextDocument *doc = new QTextDocument;
delete doc;
}
}
//this step is needed before giving the string to a QTextLayout
void tst_QText::newLineReplacement()
{
QString text = QString::fromLatin1("H\ne\nl\nl\no\n\nW\no\nr\nl\nd");
QBENCHMARK {
QString tmp = text;
tmp.replace(QLatin1Char('\n'), QChar::LineSeparator);
}
}
void tst_QText::formatManipulation()
{
QFont font;
QBENCHMARK {
QTextCharFormat format;
format.setFont(font);
}
}
void tst_QText::fontResolution()
{
QFont font;
QFont font2;
font.setFamily("DejaVu");
font2.setBold(true);
QBENCHMARK {
QFont res = font.resolve(font2);
}
}
void tst_QText::layout_data()
{
QTest::addColumn<bool>("wrap");
QTest::newRow("wrap") << true;
QTest::newRow("nowrap") << false;
}
void tst_QText::layout()
{
QFETCH(bool,wrap);
QTextLayout layout(m_shortLorem);
setupTextLayout(&layout, wrap);
QBENCHMARK {
QTextLayout layout(m_shortLorem);
setupTextLayout(&layout, wrap);
}
}
//### requires tst_QText to be a friend of QTextLayout
/*void tst_QText::stackTextLayout()
{
QStackTextEngine engine(m_shortLorem, qApp->font());
QTextLayout layout(&engine);
setupTextLayout(&layout);
QBENCHMARK {
QStackTextEngine engine(m_shortLorem, qApp->font());
QTextLayout layout(&engine);
setupTextLayout(&layout);
}
}*/
void tst_QText::formattedLayout_data()
{
QTest::addColumn<QString>("text");
QTest::addColumn<QList<QTextLayout::FormatRange>>("ranges");
QTextCharFormat format;
format.setForeground(QColor("steelblue"));
{
QList<QTextLayout::FormatRange> ranges;
QTextLayout::FormatRange formatRange;
formatRange.format = format;
formatRange.start = 0;
formatRange.length = 50;
ranges.append(formatRange);
QTest::newRow("short-single") << m_shortLorem << ranges;
}
{
QList<QTextLayout::FormatRange> ranges;
QString text = m_lorem.repeated(100);
const int width = 1;
for (int i = 0; i < text.size(); i += width) {
QTextLayout::FormatRange formatRange;
formatRange.format.setForeground(QBrush(QColor(i % 255, 255, 255)));
formatRange.start = i;
formatRange.length = width;
ranges.append(formatRange);
}
QTest::newRow("long-many") << m_shortLorem << ranges;
}
}
void tst_QText::formattedLayout()
{
QFETCH(QString, text);
QFETCH(QList<QTextLayout::FormatRange>, ranges);
QTextLayout layout(text);
layout.setFormats(ranges);
setupTextLayout(&layout);
QBENCHMARK {
QTextLayout layout(text);
layout.setFormats(ranges);
setupTextLayout(&layout);
}
}
void tst_QText::paintLayoutToPixmap()
{
QTextLayout layout(m_shortLorem);
QSize size = setupTextLayout(&layout);
QBENCHMARK {
QPixmap img(size);
img.fill(Qt::transparent);
QPainter p(&img);
layout.draw(&p, QPointF(0, 0));
}
}
void tst_QText::paintLayoutToPixmap_painterFill()
{
QTextLayout layout(m_shortLorem);
QSize size = setupTextLayout(&layout);
QBENCHMARK {
QPixmap img(size);
QPainter p(&img);
p.setCompositionMode(QPainter::CompositionMode_Source);
p.fillRect(0, 0, img.width(), img.height(), Qt::transparent);
p.setCompositionMode(QPainter::CompositionMode_SourceOver);
layout.draw(&p, QPointF(0, 0));
}
}
void tst_QText::document()
{
QTextDocument *doc = new QTextDocument;
Q_UNUSED(doc);
QBENCHMARK {
QTextDocument *doc = new QTextDocument;
doc->setHtml(m_shortLorem);
}
}
void tst_QText::paintDocToPixmap()
{
QTextDocument *doc = new QTextDocument;
doc->setHtml(m_shortLorem);
doc->setTextWidth(300);
QSize size = doc->size().toSize();
QBENCHMARK {
QPixmap img(size);
img.fill(Qt::transparent);
QPainter p(&img);
doc->drawContents(&p);
}
}
void tst_QText::paintDocToPixmap_painterFill()
{
QTextDocument *doc = new QTextDocument;
doc->setHtml(m_shortLorem);
doc->setTextWidth(300);
QSize size = doc->size().toSize();
QBENCHMARK {
QPixmap img(size);
QPainter p(&img);
p.setCompositionMode(QPainter::CompositionMode_Source);
p.fillRect(0, 0, img.width(), img.height(), Qt::transparent);
p.setCompositionMode(QPainter::CompositionMode_SourceOver);
doc->drawContents(&p);
}
}
QTEST_MAIN(tst_QText)
#include "main.moc"
|
