src/gui/text/qstatictext_p.h
changeset 30 5dc02b23752f
child 33 3e2da88830cd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/text/qstatictext_p.h	Tue Jul 06 15:10:48 2010 +0300
@@ -0,0 +1,151 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSTATICTEXT_P_H
+#define QSTATICTEXT_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of internal files.  This header file may change from version to version
+// without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <private/qtextureglyphcache_p.h>
+#include <QtGui/qcolor.h>
+
+QT_BEGIN_NAMESPACE
+
+class QStaticTextUserData
+{
+public:
+    enum Type {
+        NoUserData,
+        OpenGLUserData
+    };
+
+    QStaticTextUserData(Type t) : type(t) {}
+    virtual ~QStaticTextUserData() {}
+
+    Type type;
+};
+
+class Q_GUI_EXPORT QStaticTextItem
+{
+public:    
+    QStaticTextItem() : chars(0), numChars(0), fontEngine(0), userData(0),
+                        useBackendOptimizations(false), userDataNeedsUpdate(0) {}
+    ~QStaticTextItem() { delete userData; }
+
+    void setUserData(QStaticTextUserData *newUserData)
+    {
+        if (userData == newUserData)
+            return;
+
+        delete userData;
+        userData = newUserData;
+    }
+
+    QFixedPoint *glyphPositions;                 // 8 bytes per glyph
+    glyph_t *glyphs;                             // 4 bytes per glyph
+    const QChar *chars;                          // 2 bytes per glyph
+                                                 // =================
+                                                 // 14 bytes per glyph
+
+                                                 // 12 bytes for pointers
+    int numGlyphs;                               // 4 bytes per item
+    int numChars;                                // 4 bytes per item
+    QFontEngine *fontEngine;                     // 4 bytes per item
+    QFont font;                                  // 8 bytes per item
+    QColor color;                                // 10 bytes per item
+    QStaticTextUserData *userData;               // 8 bytes per item
+    char useBackendOptimizations : 1;            // 1 byte per item
+    char userDataNeedsUpdate : 1;                //
+                                                 // ================
+                                                 // 51 bytes per item
+};
+
+class QStaticText;
+class Q_AUTOTEST_EXPORT QStaticTextPrivate
+{
+public:
+    QStaticTextPrivate();
+    QStaticTextPrivate(const QStaticTextPrivate &other);
+    ~QStaticTextPrivate();
+
+    void init();
+    void paintText(const QPointF &pos, QPainter *p);
+
+    void invalidate()
+    {
+        needsRelayout = true;
+    }
+
+    QAtomicInt ref;                      // 4 bytes per text
+
+    QString text;                        // 4 bytes per text
+    QFont font;                          // 8 bytes per text
+    qreal textWidth;                     // 8 bytes per text
+    QSizeF actualSize;                   // 16 bytes per text
+    QPointF position;                    // 16 bytes per text
+
+    QTransform matrix;                   // 80 bytes per text
+    QStaticTextItem *items;              // 4 bytes per text
+    int itemCount;                       // 4 bytes per text
+    glyph_t *glyphPool;                  // 4 bytes per text
+    QFixedPoint *positionPool;           // 4 bytes per text
+
+    unsigned char needsRelayout : 1;
+    unsigned char useBackendOptimizations : 1; // 1 byte per text
+    unsigned char textFormat              : 2;
+                                         // ================
+                                         // 163 bytes per text
+
+    static QStaticTextPrivate *get(const QStaticText *q);
+};
+
+QT_END_NAMESPACE
+
+#endif // QSTATICTEXT_P_H