Changeset 561 for trunk/src/gui/text/qfontengine_p.h

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/gui/text/qfontengine_p.h (modified) (18 diffs)

trunk/src/gui/text/qfontengine_p.h

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtGui module of the Qt Toolkit.
@@ -21 +22 @@
 ** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** 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.
 **
 ** GNU General Public License Usage
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -57 +57 @@
 #include "QtCore/qatomic.h"
 #include <QtCore/qvarlengtharray.h>
+#include <QtCore/QLinkedList>
 #include "private/qtextengine_p.h"
 #include "private/qfont_p.h"
@@ -71 +72 @@
 #endif
 
-#include "qfontengineglyphcache_p.h"
+#include <private/qfontengineglyphcache_p.h>
 
 struct glyph_metrics_t;
@@ -94 +95 @@
 class Q_GUI_EXPORT QFontEngine : public QObject
 {
-    Q_OBJECT
 public:
     enum Type {
@@ -109 +109 @@
         Mac,
 
-        // Trolltech QWS types
+        // QWS types
         Freetype,
         QPF1,
         QPF2,
         Proxy,
+
+        // S60 types
+        S60FontEngine, // Cannot be simply called "S60". Reason is qt_s60Data.h
+
         TestFontEngine = 0x1000
     };
@@ -165 +169 @@
     virtual void doKerning(QGlyphLayout *, QTextEngine::ShaperFlags) const;
 
-#if !defined(Q_WS_X11) && !defined(Q_WS_WIN) && !defined(Q_WS_PM) && !defined(Q_WS_MAC)
+#if !defined(Q_WS_X11) && !defined(Q_WS_WIN) && !defined(Q_WS_MAC) && !defined(Q_OS_SYMBIAN) && !defined(Q_WS_PM)
     virtual void draw(QPaintEngine *p, qreal x, qreal y, const QTextItemInt &si) = 0;
 #endif
@@ -179 +183 @@
      * Returns an image indexed_8 with index values ranging from 0=fully transparant to 255=opaque
      */
-    virtual QImage alphaMapForGlyph(glyph_t) = 0;
+    virtual QImage alphaMapForGlyph(glyph_t);
     virtual QImage alphaMapForGlyph(glyph_t, const QTransform &t);
     virtual QImage alphaRGBMapForGlyph(glyph_t, int margin, const QTransform &t);
@@ -217 +221 @@
 
     void setGlyphCache(void *key, QFontEngineGlyphCache *data);
-    void setGlyphCache(QFontEngineGlyphCache::Type key, QFontEngineGlyphCache *data);
-    QFontEngineGlyphCache *glyphCache(void *key, const QTransform &transform) const;
-    QFontEngineGlyphCache *glyphCache(QFontEngineGlyphCache::Type key, const QTransform &transform) const;
+    QFontEngineGlyphCache *glyphCache(void *key, QFontEngineGlyphCache::Type type, const QTransform &transform) const;
 
     static const uchar *getCMap(const uchar *table, uint tableSize, bool *isSymbolFont, int *cmapSize);
@@ -232 +234 @@
     mutable HB_FontRec hbFont;
     mutable HB_Face hbFace;
-#if defined(Q_WS_WIN) || defined(Q_WS_PM) || defined(Q_WS_X11) || defined(Q_WS_QWS)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined(Q_WS_QWS) || defined(Q_OS_SYMBIAN) || defined(Q_WS_PM)
     struct KernPair {
         uint left_right;
@@ -248 +250 @@
     int glyphFormat;
 
+protected:
+    static const QVector<QRgb> &grayPalette();
+
 private:
-    /// remove old entries from the glyph cache. Helper method for the setGlyphCache ones.
-    void expireGlyphCache();
-
-    GlyphPointerHash m_glyphPointerHash;
-    GlyphIntHash m_glyphIntHash;
-    mutable QList<QFontEngineGlyphCache*> m_glyphCacheQueue;
+    struct GlyphCacheEntry {
+        void *context;
+        QFontEngineGlyphCache *cache;
+        bool operator==(const GlyphCacheEntry &other) { return context == other.context && cache == other.cache; }
+    };
+
+    mutable QLinkedList<GlyphCacheEntry> m_glyphCaches;
 };
 
@@ -323 +329 @@
     virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const;
 
-#if !defined(Q_WS_X11) && !defined(Q_WS_WIN) && !defined(Q_WS_PM) && !defined(Q_WS_MAC)
+#if !defined(Q_WS_X11) && !defined(Q_WS_WIN) && !defined(Q_WS_MAC) && !defined(Q_OS_SYMBIAN) && !defined(Q_WS_PM)
     void draw(QPaintEngine *p, qreal x, qreal y, const QTextItemInt &si);
 #endif
@@ -354 +360 @@
 };
 
-class Q_GUI_EXPORT QFontEngineMulti : public QFontEngine
+class QFontEngineMulti : public QFontEngine
 {
 public:
@@ -390 +396 @@
     { return "Multi"; }
 
-    QFontEngine *engine(int at) const;
+    QFontEngine *engine(int at) const
+    {Q_ASSERT(at < engines.size()); return engines.at(at); }
+
 
 protected:
@@ -441 +449 @@
     virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics);
     virtual QImage alphaMapForGlyph(glyph_t);
+    virtual QImage alphaRGBMapForGlyph(glyph_t, int margin, const QTransform &t);
     virtual qreal minRightBearing() const;
     virtual qreal minLeftBearing() const;
 
 
-
 private:
+    QImage imageForGlyph(glyph_t glyph, int margin, bool colorful);
     CTFontRef ctfont;
     CGFontRef cgFont;
@@ -526 +535 @@
     virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics);
     virtual QImage alphaMapForGlyph(glyph_t);
+    virtual QImage alphaRGBMapForGlyph(glyph_t, int margin, const QTransform &t);
 
 private:
+    QImage imageForGlyph(glyph_t glyph, int margin, bool colorful);
+
     ATSUFontID fontID;
     QCFType<CGFontRef> cgFont;
@@ -615 +627 @@
 #endif
 
+#if defined(Q_OS_SYMBIAN) && !defined(QT_NO_FREETYPE)
+#   include "private/qfontengine_ft_p.h"
+#endif
+
 #endif // QFONTENGINE_P_H