1 files changed, 113 insertions, 0 deletions
diff --git a/macosx/tkMacOSXFont.h b/macosx/tkMacOSXFont.h
new file mode 100644
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--- /dev/null
+++ b/macosx/tkMacOSXFont.h
@@ -0,0 +1,113 @@
+/*
+ * tkMacOSXFont.h --
+ *
+ *      Private functions and structs exported from tkMacOSXFont.c
+ *      for use in ATSU specific extensions.
+ *
+ * Copyright 2002-2004 Benjamin Riefenstahl, Benjamin.Riefenstahl@epost.de
+ *
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ *
+ * RCS: @(#) $Id: tkMacOSXFont.h,v 1.1 2006/03/22 00:21:18 das Exp $
+ */
+
+#ifndef	TKMACOSXFONT_H
+#define	TKMACOSXFONT_H	1
+
+#include "tkFont.h"
+
+/*
+ * Switches
+ */
+
+#define TK_MAC_USE_QUARZ 1
+
+/*
+ * Types
+ */
+
+/*
+ * The following structure represents our Macintosh-specific implementation
+ * of a font object.
+ */
+
+typedef struct {
+    TkFont font;                /* Stuff used by generic font package.  Must
+                                 * be first in structure. */
+
+    /*
+     * The ATSU view of the font and other text properties.  Used for drawing
+     * and measuring.
+     */
+
+    ATSUFontID atsuFontId;      /* == FMFont. */
+    ATSUTextLayout atsuLayout;  /* ATSU layout object, representing the whole
+                                 * text that ATSU sees with some option
+                                 * bits. */
+    ATSUStyle atsuStyle;        /* ATSU style object, representing a run of
+                                 * text with the same properties. */
+
+    /*
+     * The QuickDraw view of the font.  Used to configure controls.
+     */
+
+    FMFontFamily qdFont;        /* == FMFontFamilyId, Carbon replacement for
+                                 * QD face numbers. */
+    short qdSize;               /* Font size in points. */
+    short qdStyle;              /* QuickDraw style bits. */
+} TkMacOSXFont;
+
+
+#if TK_MAC_USE_QUARZ
+
+/*
+ * To use Quarz drawing we need some additional context.  FIXME: We would
+ * have liked to use the similar functions from tkMacOSXDraw.c to do this
+ * (TkMacOSXSetUpCGContext(), etc), but a) those don't quite work for us
+ * (e.g. we can't use a simple upside-down coordinate system transformation,
+ * as we don't want upside-down characters ;-), and b) we don't have the
+ * necessary context information (MacDrawable), that we need as parameter for
+ * those functions.  So I just cobbled together a limited edition, getting
+ * the necessary parameters from the current QD GraphPort.
+ */
+
+typedef struct {
+    CGContextRef cgContext;     /* Quarz context. */
+    CGrafPtr graphPort;         /* QD graph port to which this belongs.
+                                 * Needed for releasing cgContext. */
+    Rect portRect;              /* Cached size of port. */
+} TkMacOSXFontDrawingContext;
+
+#else /* ! TK_MAC_USE_QUARZ */
+
+/*
+ * Just a dummy, so we don't have to #ifdef the parameter lists of functions
+ * that use this.
+ */
+
+typedef struct {} DrawingContext;
+
+#endif /* ? TK_MAC_USE_QUARZ */
+
+
+/*
+ * Function prototypes
+ */
+
+MODULE_SCOPE void	TkMacOSXLayoutSetString(const TkMacOSXFont * fontPtr,
+			    const TkMacOSXFontDrawingContext *drawingContextPtr,
+			    const UniChar * uchars, int ulen);
+MODULE_SCOPE void	TkMacOSXInitControlFontStyle(Tk_Font tkfont,
+			    ControlFontStylePtr fsPtr);
+			     
+#if TK_MAC_USE_QUARZ
+MODULE_SCOPE void	TkMacOSXQuarzStartDraw(
+			    TkMacOSXFontDrawingContext * contextPtr);
+MODULE_SCOPE void	TkMacOSXQuarzEndDraw(
+			    TkMacOSXFontDrawingContext * contextPtr);
+#endif /* TK_MAC_USE_QUARZ */
+
+
+#endif	/*TKMACOSXFONT_H*/
+