qiconengine.h 3.3 KB

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  1. /****************************************************************************
  2. **
  3. ** Copyright (C) 2016 The Qt Company Ltd.
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  5. **
  6. ** This file is part of the QtGui module of the Qt Toolkit.
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  17. ** GNU Lesser General Public License Usage
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  19. ** General Public License version 3 as published by the Free Software
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  25. ** GNU General Public License Usage
  26. ** Alternatively, this file may be used under the terms of the GNU
  27. ** General Public License version 2.0 or (at your option) the GNU General
  28. ** Public license version 3 or any later version approved by the KDE Free
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  31. ** included in the packaging of this file. Please review the following
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  34. ** https://www.gnu.org/licenses/gpl-3.0.html.
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  36. ** $QT_END_LICENSE$
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  38. ****************************************************************************/
  39. #ifndef QICONENGINE_H
  40. #define QICONENGINE_H
  41. #include <QtCore/qglobal.h>
  42. #include <QtCore/qlist.h>
  43. #include <QtGui/qicon.h>
  44. QT_BEGIN_NAMESPACE
  45. class Q_GUI_EXPORT QIconEngine
  46. {
  47. public:
  48. QIconEngine();
  49. virtual ~QIconEngine();
  50. virtual void paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state) = 0;
  51. virtual QSize actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state);
  52. virtual QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state);
  53. virtual void addPixmap(const QPixmap &pixmap, QIcon::Mode mode, QIcon::State state);
  54. virtual void addFile(const QString &fileName, const QSize &size, QIcon::Mode mode, QIcon::State state);
  55. virtual QString key() const;
  56. virtual QIconEngine *clone() const = 0;
  57. virtual bool read(QDataStream &in);
  58. virtual bool write(QDataStream &out) const;
  59. enum IconEngineHook { AvailableSizesHook = 1, IconNameHook, IsNullHook };
  60. struct AvailableSizesArgument
  61. {
  62. QIcon::Mode mode;
  63. QIcon::State state;
  64. QList<QSize> sizes;
  65. };
  66. virtual QList<QSize> availableSizes(QIcon::Mode mode = QIcon::Normal,
  67. QIcon::State state = QIcon::Off) const;
  68. virtual QString iconName() const;
  69. bool isNull() const; // ### Qt6 make virtual
  70. virtual void virtual_hook(int id, void *data);
  71. };
  72. #if QT_DEPRECATED_SINCE(5, 0)
  73. typedef QIconEngine QIconEngineV2;
  74. #endif
  75. QT_END_NAMESPACE
  76. #endif // QICONENGINE_H