Changeset 8 for trunk/src/kernel/qfontengine_p.h

Timestamp:

Nov 16, 2005, 8:36:46 PM (20 years ago)

Author:

dmik

Message:

Transferred Qt for OS/2 version 3.3.1-rc5 sources from the CVS

File:

• trunk/src/kernel/qfontengine_p.h (modified) (4 diffs)

trunk/src/kernel/qfontengine_p.h

@@ -40 +40 @@
 #endif
 
+#ifdef Q_WS_PM
+#include "qt_os2.h"
+#endif
+
 #include "qtextengine_p.h"
 
 class QPaintDevice;
 
-struct glyph_metrics_t;
-class QChar;
-typedef unsigned short glyph_t;
-struct qoffset_t;
-typedef int advance_t;
-class QOpenType;
+//@@TODO (dmik): these all are defined in the included "qtextengine_p.h",
+//  what do we need it here for?
+//struct glyph_metrics_t;
+//class QChar;
+//typedef unsigned short glyph_t;
+//struct qoffset_t;
+//typedef int advance_t;
+//class QOpenType;
 struct TransformedFont;
 
-#if defined( Q_WS_X11 ) || defined( Q_WS_WIN) || defined( Q_WS_MAC )
+#if defined( Q_WS_X11 ) || defined( Q_WS_WIN) || defined( Q_WS_PM) || defined( Q_WS_MAC )
 class QFontEngine : public QShared
 {
@@ -71 +77 @@
         Win,
         Uniscribe,
+
+        // OS/2 types
+        PM,
 
         // Apple MacOS types
@@ -151 +160 @@
     short rbearing;
 #endif // Q_WS_WIN
+#ifdef Q_WS_PM
+    HPS ps() const;
+    void selectTo( HPS ps ) const;
+    
+    HPS hps;
+    FATTRS fa;
+    PFONTMETRICS pfm;
+#endif
 #ifdef Q_WS_X11
     TransformedFont *transformed_fonts;
@@ -605 +622 @@
 #endif
 
-#endif // Q_WS_WIN
-
-#endif
+#elif defined( Q_WS_PM )
+
+class QFontEnginePM : public QFontEngine
+{
+public:
+    QFontEnginePM( HPS ps, PFATTRS pfa, int pixelSize, int pointSize );
+    virtual ~QFontEnginePM() { delete[] widthCache; }
+
+    Error stringToCMap( const QChar *str, int len, glyph_t *glyphs, advance_t *advances, int *nglyphs, bool mirrored ) const;
+
+    void draw( QPainter *p, int x, int y, const QTextEngine *engine, const QScriptItem *si, int textFlags );
+
+    glyph_metrics_t boundingBox( const glyph_t *glyphs,
+                               const advance_t *advances, const qoffset_t *offsets, int numGlyphs );
+    glyph_metrics_t boundingBox( glyph_t glyph );
+
+    int ascent() const;
+    int descent() const;
+    int leading() const;
+    int maxCharWidth() const;
+    int minLeftBearing() const;
+    int minRightBearing() const;
+
+//@@TODO (dmik): need other implementation?    
+    const char *name() const { return 0; }
+
+    bool canRender( const QChar *string,  int len );
+
+    Type type() const;
+
+//@@TODO (dmik): the current implementation of font-related code does not
+//  support true unicode (chars and strings are converted using
+//  QString::local8bit), so 256 is enough. It will be changed later (when,
+//  for example, ft2lib will be used). See also stringToCMap() implementation.       
+    enum { widthCacheSize = 256 };
+    unsigned char *widthCache;
+};
+
+#endif
+
+#endif