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Last change
on this file since 5 was 2, checked in by Dmitry A. Kuminov, 16 years ago |
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Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
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File size:
487 bytes
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| 1 | //! [0]
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| 2 | void QPen::setStyle(Qt::PenStyle style)
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| 3 | {
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| 4 | detach(); // detach from common data
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| 5 | d->style = style; // set the style member
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| 6 | }
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| 7 |
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| 8 | void QPen::detach()
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| 9 | {
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| 10 | if (d->ref != 1) {
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| 11 | ... // perform a deep copy
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| 12 | }
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| 13 | }
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| 14 | //! [0]
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| 15 |
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| 16 |
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| 17 | //! [1]
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| 18 | QPixmap p1, p2;
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| 19 | p1.load("image.bmp");
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| 20 | p2 = p1; // p1 and p2 share data
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| 21 |
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| 22 | QPainter paint;
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| 23 | paint.begin(&p2); // cuts p2 loose from p1
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| 24 | paint.drawText(0,50, "Hi");
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| 25 | paint.end();
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| 26 | //! [1]
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