#include <Gestalt.h>
#endif /* not HAVE_CARBON */
+/* Whether to use ATSUI (Apple Type Services for Unicode Imaging) for
+ text drawing. */
+#ifndef USE_ATSUI
+#ifdef MAC_OSX
+#define USE_ATSUI 1
+#endif
+#endif
+
+/* Whether to use low-level Quartz 2D (aka Core Graphics) text drawing
+ in preference to ATSUI for ASCII and Latin-1 characters. */
#ifndef USE_CG_TEXT_DRAWING
#if USE_ATSUI && MAC_OS_X_VERSION_MAX_ALLOWED >= 1030
#define USE_CG_TEXT_DRAWING 1
#endif
#endif
+/* Whether to use Quartz 2D routines for drawing operations other than
+ texts. */
#ifndef USE_CG_DRAWING
-#if USE_ATSUI && defined (MAC_OSX)
+#if USE_ATSUI && MAC_OS_X_VERSION_MAX_ALLOWED >= 1020
#define USE_CG_DRAWING 1
#endif
#endif
/* Emulate XCharStruct. */
+/* If the sum of ascent and descent is negative, that means some
+ special status specified by enum pcm_status. */
typedef struct _XCharStruct
{
short lbearing; /* origin to left edge of raster */
#endif
} XCharStruct;
+enum pcm_status
+ {
+ PCM_VALID = 0, /* pcm data is valid */
+ PCM_INVALID = -1, /* pcm data is invalid */
+ };
+
#define STORE_XCHARSTRUCT(xcs, w, bds) \
((xcs).width = (w), \
(xcs).lbearing = (bds).left, \
(xcs).ascent = -(bds).top, \
(xcs).descent = (bds).bottom)
-typedef struct
-{
- char valid_bits[0x100 / 8];
- XCharStruct per_char[0x100];
-} XCharStructRow;
-
-#define XCHARSTRUCTROW_CHAR_VALID_P(row, byte2) \
- ((row)->valid_bits[(byte2) / 8] & (1 << (byte2) % 8))
-
-#define XCHARSTRUCTROW_SET_CHAR_VALID(row, byte2) \
- ((row)->valid_bits[(byte2) / 8] |= (1 << (byte2) % 8))
-
struct MacFontStruct {
char *full_name;
XCharStruct max_bounds; /* maximum bounds over all existing char */
union {
XCharStruct *per_char; /* first_char to last_char information */
- XCharStructRow **rows; /* first row to last row information */
+ XCharStruct **rows; /* first row to last row information */
} bounds;
int ascent; /* logical extent above baseline for spacing */
int descent; /* logical decent below baseline for spacing */
/* QuickDraw clipping region. Ignored if n_clip_rects == 0. */
RgnHandle clip_region;
-#if defined (MAC_OSX) && USE_ATSUI
+#if defined (MAC_OSX) && (USE_ATSUI || USE_CG_DRAWING)
/* Clipping rectangles used in Quartz 2D drawing. The y-coordinate
is in QuickDraw's. */
CGRect clip_rects[MAX_CLIP_RECTS];