unsigned long *));
static int is_emacs_window P_ ((WindowPtr));
-
+static XCharStruct *mac_per_char_metric P_ ((XFontStruct *, XChar2b *, int));
static void XSetFont P_ ((Display *, GC, XFontStruct *));
/* Defined in macmenu.h. */
}
+/* Mac replacement for XQueryTextExtents, but takes a character. If
+ STYLE is NULL, measurement is done by QuickDraw Text routines for
+ the font of the current graphics port. If CG_GLYPH is not NULL,
+ *CG_GLYPH is set to the glyph ID or 0 if it cannot be obtained. */
+
+static OSErr
+mac_query_char_extents (style, c,
+ font_ascent_return, font_descent_return,
+ overall_return, cg_glyph)
+#if USE_ATSUI
+ ATSUStyle style;
+#else
+ void *style;
+#endif
+ int c;
+ int *font_ascent_return, *font_descent_return;
+ XCharStruct *overall_return;
#if USE_CG_TEXT_DRAWING
-static XCharStruct *x_per_char_metric P_ ((XFontStruct *, XChar2b *));
+ CGGlyph *cg_glyph;
+#else
+ void *cg_glyph;
+#endif
+{
+ OSErr err = noErr;
+ int width;
+ Rect char_bounds;
+
+#if USE_ATSUI
+ if (style)
+ {
+ ATSUTextLayout text_layout;
+ UniChar ch = c;
+
+ err = atsu_get_text_layout_with_text_ptr (&ch, 1, style, &text_layout);
+ if (err == noErr)
+ {
+ ATSTrapezoid glyph_bounds;
+
+ err = ATSUGetGlyphBounds (text_layout, 0, 0,
+ kATSUFromTextBeginning, kATSUToTextEnd,
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1020
+ kATSUseFractionalOrigins,
+#else
+ kATSUseDeviceOrigins,
+#endif
+ 1, &glyph_bounds, NULL);
+ if (err == noErr)
+ {
+ xassert (glyph_bounds.lowerRight.x - glyph_bounds.lowerLeft.x
+ == glyph_bounds.upperRight.x - glyph_bounds.upperLeft.x);
+
+ width = Fix2Long (glyph_bounds.upperRight.x
+ - glyph_bounds.upperLeft.x);
+ if (font_ascent_return)
+ *font_ascent_return = -Fix2Long (glyph_bounds.upperLeft.y);
+ if (font_descent_return)
+ *font_descent_return = Fix2Long (glyph_bounds.lowerLeft.y);
+ }
+ }
+ if (err == noErr && overall_return)
+ {
+ err = ATSUMeasureTextImage (text_layout,
+ kATSUFromTextBeginning, kATSUToTextEnd,
+ 0, 0, &char_bounds);
+ if (err == noErr)
+ STORE_XCHARSTRUCT (*overall_return, width, char_bounds);
+#if USE_CG_TEXT_DRAWING
+ if (err == noErr && cg_glyph)
+ {
+ OSErr err1;
+ ATSUGlyphInfoArray glyph_info_array;
+ ByteCount count = sizeof (ATSUGlyphInfoArray);
+
+ err1 = ATSUMatchFontsToText (text_layout, kATSUFromTextBeginning,
+ kATSUToTextEnd, NULL, NULL, NULL);
+ if (err1 == noErr)
+ err1 = ATSUGetGlyphInfo (text_layout, kATSUFromTextBeginning,
+ kATSUToTextEnd, &count,
+ &glyph_info_array);
+ if (err1 == noErr)
+ {
+ xassert (glyph_info_array.glyphs[0].glyphID);
+ *cg_glyph = glyph_info_array.glyphs[0].glyphID;
+ }
+ else
+ *cg_glyph = 0;
+ }
+#endif
+ }
+ }
+ else
+#endif
+ {
+ if (font_ascent_return || font_descent_return)
+ {
+ FontInfo font_info;
+
+ GetFontInfo (&font_info);
+ if (font_ascent_return)
+ *font_ascent_return = font_info.ascent;
+ if (font_descent_return)
+ *font_descent_return = font_info.descent;
+ }
+ if (overall_return)
+ {
+ char ch = c;
+ width = CharWidth (ch);
+ QDTextBounds (1, &ch, &char_bounds);
+ STORE_XCHARSTRUCT (*overall_return, width, char_bounds);
+ }
+ }
+
+ return err;
+}
+
+
+/* Mac replacement for XTextExtents16. Only sets horizontal metrics. */
+
+static int
+mac_text_extents_16 (font_struct, string, nchars, overall_return)
+ XFontStruct *font_struct;
+ XChar2b *string;
+ int nchars;
+ XCharStruct *overall_return;
+{
+ int i;
+ short width = 0, lbearing = 0, rbearing = 0;
+ XCharStruct *pcm;
+
+ for (i = 0; i < nchars; i++)
+ {
+ pcm = mac_per_char_metric (font_struct, string, 0);
+ if (pcm == NULL)
+ width += FONT_WIDTH (font_struct);
+ else
+ {
+ lbearing = min (lbearing, width + pcm->lbearing);
+ rbearing = max (rbearing, width + pcm->rbearing);
+ width += pcm->width;
+ }
+ string++;
+ }
+
+ overall_return->lbearing = lbearing;
+ overall_return->rbearing = rbearing;
+ overall_return->width = width;
+
+ /* What's the meaning of the return value of XTextExtents16? */
+}
+
+
+#if USE_CG_TEXT_DRAWING
static int cg_text_anti_aliasing_threshold = 8;
static void
advances = xmalloc (sizeof (CGSize) * nchars);
for (i = 0; i < nchars; i++)
{
- advances[i].width = x_per_char_metric (GC_FONT (gc), buf)->width;
+ XCharStruct *pcm = mac_per_char_metric (GC_FONT (gc), buf, 0);
+
+ advances[i].width = pcm->width;
advances[i].height = 0;
glyphs[i] = GC_FONT (gc)->cg_glyphs[buf->byte2];
buf++;
#if USE_ATSUI
if (font->mac_style)
{
- if (char2b->byte1 >= font->min_byte1
- && char2b->byte1 <= font->max_byte1
- && char2b->byte2 >= font->min_char_or_byte2
- && char2b->byte2 <= font->max_char_or_byte2)
+ XCharStructRow **row = font->bounds.rows + char2b->byte1;
+
+ if (*row == NULL)
{
- pcm = (font->per_char
- + ((font->max_char_or_byte2 - font->min_char_or_byte2 + 1)
- * (char2b->byte1 - font->min_byte1))
- + (char2b->byte2 - font->min_char_or_byte2));
+ *row = xmalloc (sizeof (XCharStructRow));
+ if (*row)
+ bzero (*row, sizeof (XCharStructRow));
}
-
- if (pcm && !pcm->valid_p)
+ if (*row)
{
- OSErr err;
- ATSUTextLayout text_layout;
- UniChar c;
- int char_width;
- ATSTrapezoid glyph_bounds;
- Rect char_bounds;
-
- c = (char2b->byte1 << 8) + char2b->byte2;
- BLOCK_INPUT;
- err = atsu_get_text_layout_with_text_ptr (&c, 1,
- font->mac_style,
- &text_layout);
- if (err == noErr)
- err = ATSUMeasureTextImage (text_layout,
- kATSUFromTextBeginning, kATSUToTextEnd,
- 0, 0, &char_bounds);
-
- if (err == noErr)
- err = ATSUGetGlyphBounds (text_layout, 0, 0,
- kATSUFromTextBeginning, kATSUToTextEnd,
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1020
- kATSUseFractionalOrigins,
-#else
- kATSUseDeviceOrigins,
-#endif
- 1, &glyph_bounds, NULL);
- UNBLOCK_INPUT;
- if (err != noErr)
- pcm = NULL;
- else
+ pcm = (*row)->per_char + char2b->byte2;
+ if (!XCHARSTRUCTROW_CHAR_VALID_P (*row, char2b->byte2))
{
- xassert (glyph_bounds.lowerRight.x - glyph_bounds.lowerLeft.x
- == glyph_bounds.upperRight.x - glyph_bounds.upperLeft.x);
-
- char_width = Fix2Long (glyph_bounds.upperRight.x
- - glyph_bounds.upperLeft.x);
- STORE_XCHARSTRUCT (*pcm, char_width, char_bounds);
+ BLOCK_INPUT;
+ mac_query_char_extents (font->mac_style,
+ (char2b->byte1 << 8) + char2b->byte2,
+ NULL, NULL, pcm, NULL);
+ UNBLOCK_INPUT;
+ XCHARSTRUCTROW_SET_CHAR_VALID (*row, char2b->byte2);
}
}
}
else
{
#endif
- if (font->per_char != NULL)
+ if (font->bounds.per_char != NULL)
{
if (font->min_byte1 == 0 && font->max_byte1 == 0)
{
if (char2b->byte1 == 0
&& char2b->byte2 >= font->min_char_or_byte2
&& char2b->byte2 <= font->max_char_or_byte2)
- pcm = font->per_char + char2b->byte2 - font->min_char_or_byte2;
+ pcm = font->bounds.per_char
+ + (char2b->byte2 - font->min_char_or_byte2);
}
else
{
&& char2b->byte2 >= font->min_char_or_byte2
&& char2b->byte2 <= font->max_char_or_byte2)
{
- pcm = (font->per_char
+ pcm = (font->bounds.per_char
+ ((font->max_char_or_byte2 - font->min_char_or_byte2 + 1)
* (char2b->byte1 - font->min_byte1))
+ (char2b->byte2 - font->min_char_or_byte2));
{
if (s->cmp == NULL
&& s->first_glyph->type == CHAR_GLYPH)
- {
- Rect r;
- MacFontStruct *font = s->font;
-
+ if (!s->two_byte_p
#if USE_ATSUI
- if (font->mac_style)
- {
- OSErr err;
- ATSUTextLayout text_layout;
- UniChar *buf;
- int i;
+ || s->font->mac_style
+#endif
+ )
+ {
+ XCharStruct cs;
- SetRect (&r, 0, 0, 0, 0);
- buf = xmalloc (sizeof (UniChar) * s->nchars);
- if (buf)
- {
- for (i = 0; i < s->nchars; i++)
- buf[i] = (s->char2b[i].byte1 << 8) + s->char2b[i].byte2;
+ mac_text_extents_16 (s->font, s->char2b, s->nchars, &cs);
+ s->right_overhang = cs.rbearing > cs.width ? cs.rbearing - cs.width : 0;
+ s->left_overhang = cs.lbearing < 0 ? -cs.lbearing : 0;
+ }
+ else
+ {
+ Rect r;
+ MacFontStruct *font = s->font;
- err = atsu_get_text_layout_with_text_ptr (buf, s->nchars,
- font->mac_style,
- &text_layout);
- if (err == noErr)
- err = ATSUMeasureTextImage (text_layout,
- kATSUFromTextBeginning,
- kATSUToTextEnd,
- 0, 0, &r);
- xfree (buf);
- }
- }
- else
- {
-#endif
- TextFont (font->mac_fontnum);
- TextSize (font->mac_fontsize);
- TextFace (font->mac_fontface);
+ TextFont (font->mac_fontnum);
+ TextSize (font->mac_fontsize);
+ TextFace (font->mac_fontface);
- if (s->two_byte_p)
QDTextBounds (s->nchars * 2, (char *)s->char2b, &r);
- else
- {
- int i;
- char *buf = xmalloc (s->nchars);
-
- if (buf == NULL)
- SetRect (&r, 0, 0, 0, 0);
- else
- {
- for (i = 0; i < s->nchars; ++i)
- buf[i] = s->char2b[i].byte2;
- QDTextBounds (s->nchars, buf, &r);
- xfree (buf);
- }
- }
-#if USE_ATSUI
- }
-#endif
- s->right_overhang = r.right > s->width ? r.right - s->width : 0;
- s->left_overhang = r.left < 0 ? -r.left : 0;
- }
+ s->right_overhang = r.right > s->width ? r.right - s->width : 0;
+ s->left_overhang = r.left < 0 ? -r.left : 0;
+ }
}
static MacFontStruct *
XLoadQueryFont (Display *dpy, char *fontname)
{
- int i, size, char_width;
+ int size;
char *name;
Str255 family;
Str31 charset;
short scriptcode;
#endif
MacFontStruct *font;
+ XCharStruct *space_bounds = NULL, *pcm;
if (is_fully_specified_xlfd (fontname))
name = fontname;
if (font->mac_style)
{
OSErr err;
- ATSUTextLayout text_layout;
- UniChar c = 0x20;
- Rect char_bounds, min_bounds, max_bounds;
- int min_width, max_width;
- ATSTrapezoid glyph_bounds;
+ UniChar c;
- font->per_char = xmalloc (sizeof (XCharStruct) * 0x10000);
- if (font->per_char == NULL)
+ font->min_byte1 = 0;
+ font->max_byte1 = 0xff;
+ font->min_char_or_byte2 = 0;
+ font->max_char_or_byte2 = 0xff;
+
+ font->bounds.rows = xmalloc (sizeof (XCharStructRow *) * 0x100);
+ if (font->bounds.rows == NULL)
{
mac_unload_font (&one_mac_display_info, font);
return NULL;
}
- bzero (font->per_char, sizeof (XCharStruct) * 0x10000);
+ bzero (font->bounds.rows, sizeof (XCharStructRow *) * 0x100);
+ font->bounds.rows[0] = xmalloc (sizeof (XCharStructRow));
+ if (font->bounds.rows[0] == NULL)
+ {
+ mac_unload_font (&one_mac_display_info, font);
+ return NULL;
+ }
+ bzero (font->bounds.rows[0], sizeof (XCharStructRow));
#if USE_CG_TEXT_DRAWING
{
if (font->cg_glyphs)
bzero (font->cg_glyphs, sizeof (CGGlyph) * 0x100);
#endif
-
- err = atsu_get_text_layout_with_text_ptr (&c, 1,
- font->mac_style,
- &text_layout);
+ space_bounds = font->bounds.rows[0]->per_char + 0x20;
+ err = mac_query_char_extents (font->mac_style, 0x20,
+ &font->ascent, &font->descent,
+ space_bounds,
+#if USE_CG_TEXT_DRAWING
+ (font->cg_glyphs ? font->cg_glyphs + 0x20
+ : NULL)
+#else
+ NULL
+#endif
+ );
if (err != noErr)
{
mac_unload_font (&one_mac_display_info, font);
return NULL;
}
+ XCHARSTRUCTROW_SET_CHAR_VALID (font->bounds.rows[0], 0x20);
- for (c = 0x20; c <= 0xff; c++)
+ pcm = font->bounds.rows[0]->per_char;
+ for (c = 0x21; c <= 0xff; c++)
{
if (c == 0xad)
/* Soft hyphen is not supported in ATSUI. */
continue;
else if (c == 0x7f)
{
- STORE_XCHARSTRUCT (font->min_bounds, min_width, min_bounds);
- STORE_XCHARSTRUCT (font->max_bounds, max_width, max_bounds);
c = 0x9f;
continue;
}
- err = ATSUClearLayoutCache (text_layout, kATSUFromTextBeginning);
- if (err == noErr)
- err = ATSUMeasureTextImage (text_layout,
- kATSUFromTextBeginning, kATSUToTextEnd,
- 0, 0, &char_bounds);
- if (err == noErr)
- err = ATSUGetGlyphBounds (text_layout, 0, 0,
- kATSUFromTextBeginning, kATSUToTextEnd,
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1020
- kATSUseFractionalOrigins,
+ mac_query_char_extents (font->mac_style, c, NULL, NULL, pcm + c,
+#if USE_CG_TEXT_DRAWING
+ (font->cg_glyphs ? font->cg_glyphs + c
+ : NULL)
#else
- kATSUseDeviceOrigins,
+ NULL
#endif
- 1, &glyph_bounds, NULL);
- if (err == noErr)
- {
- xassert (glyph_bounds.lowerRight.x - glyph_bounds.lowerLeft.x
- == glyph_bounds.upperRight.x - glyph_bounds.upperLeft.x);
+ );
+ XCHARSTRUCTROW_SET_CHAR_VALID (font->bounds.rows[0], c);
- char_width = Fix2Long (glyph_bounds.upperRight.x
- - glyph_bounds.upperLeft.x);
- STORE_XCHARSTRUCT (font->per_char[c],
- char_width, char_bounds);
- if (c == 0x20)
- {
- min_width = max_width = char_width;
- min_bounds = max_bounds = char_bounds;
- font->ascent = -Fix2Long (glyph_bounds.upperLeft.y);
- font->descent = Fix2Long (glyph_bounds.lowerLeft.y);
- }
- else
- {
- if (char_width > 0)
- {
- min_width = min (min_width, char_width);
- max_width = max (max_width, char_width);
- }
- if (!EmptyRect (&char_bounds))
- {
- SetRect (&min_bounds,
- max (min_bounds.left, char_bounds.left),
- max (min_bounds.top, char_bounds.top),
- min (min_bounds.right, char_bounds.right),
- min (min_bounds.bottom, char_bounds.bottom));
- UnionRect (&max_bounds, &char_bounds, &max_bounds);
- }
- }
- }
#if USE_CG_TEXT_DRAWING
- if (err == noErr && char_width > 0 && font->cg_font)
+ if (font->cg_glyphs && font->cg_glyphs[c] == 0)
{
- ATSUGlyphInfoArray glyph_info_array;
- ByteCount count = sizeof (ATSUGlyphInfoArray);
-
- err = ATSUMatchFontsToText (text_layout, kATSUFromTextBeginning,
- kATSUToTextEnd, NULL, NULL, NULL);
- if (err == noErr)
- err = ATSUGetGlyphInfo (text_layout, kATSUFromTextBeginning,
- kATSUToTextEnd, &count,
- &glyph_info_array);
- if (err == noErr)
- font->cg_glyphs[c] = glyph_info_array.glyphs[0].glyphID;
- else
- {
- /* Don't use CG text drawing if font substitution
- occurs in ASCII or Latin-1 characters. */
- CGFontRelease (font->cg_font);
- font->cg_font = NULL;
- xfree (font->cg_glyphs);
- font->cg_glyphs = NULL;
- }
+ /* Don't use CG text drawing if font substitution occurs in
+ ASCII or Latin-1 characters. */
+ CGFontRelease (font->cg_font);
+ font->cg_font = NULL;
+ xfree (font->cg_glyphs);
+ font->cg_glyphs = NULL;
}
#endif
}
-
- font->min_byte1 = 0;
- font->max_byte1 = 0xff;
- font->min_char_or_byte2 = 0;
- font->max_char_or_byte2 = 0xff;
}
else
#endif
if (is_two_byte_font)
{
+ int char_width;
+
font->min_byte1 = 0xa1;
font->max_byte1 = 0xfe;
font->min_char_or_byte2 = 0xa1;
char_width = StringWidth("\p\xa1\xa1");
break;
}
- }
- else
- {
- font->min_byte1 = font->max_byte1 = 0;
- font->min_char_or_byte2 = 0x20;
- font->max_char_or_byte2 = 0xff;
-
- /* Do this instead of use the_fontinfo.widMax, which
- incorrectly returns 15 for 12-point Monaco! */
- char_width = CharWidth ('m');
- }
- if (is_two_byte_font)
- {
- font->per_char = NULL;
+ font->bounds.per_char = NULL;
if (fontface & italic)
font->max_bounds.rbearing = char_width + 1;
}
else
{
- int c, min_width, max_width;
- Rect char_bounds, min_bounds, max_bounds;
- char ch;
-
- font->per_char = xmalloc (sizeof (XCharStruct) * (0xff - 0x20 + 1));
- bzero (font->per_char, sizeof (XCharStruct) * (0xff - 0x20 + 1));
+ int c;
- min_width = max_width = char_width;
- SetRect (&min_bounds, -32767, -32767, 32767, 32767);
- SetRect (&max_bounds, 0, 0, 0, 0);
- for (c = 0x20; c <= 0xff; c++)
- {
- if (c == 0x7f)
- {
- STORE_XCHARSTRUCT (font->min_bounds, min_width, min_bounds);
- STORE_XCHARSTRUCT (font->max_bounds, max_width, max_bounds);
- continue;
- }
+ font->min_byte1 = font->max_byte1 = 0;
+ font->min_char_or_byte2 = 0x20;
+ font->max_char_or_byte2 = 0xff;
- ch = c;
- char_width = CharWidth (ch);
- QDTextBounds (1, &ch, &char_bounds);
- STORE_XCHARSTRUCT (font->per_char[c - 0x20],
- char_width, char_bounds);
- /* Some Japanese fonts (in SJIS encoding) return 0 as
- the character width of 0x7f. */
- if (char_width > 0)
- {
- min_width = min (min_width, char_width);
- max_width = max (max_width, char_width);
- }
- if (!EmptyRect (&char_bounds))
- {
- SetRect (&min_bounds,
- max (min_bounds.left, char_bounds.left),
- max (min_bounds.top, char_bounds.top),
- min (min_bounds.right, char_bounds.right),
- min (min_bounds.bottom, char_bounds.bottom));
- UnionRect (&max_bounds, &char_bounds, &max_bounds);
- }
- }
- if (min_width == max_width
- && max_bounds.left >= 0 && max_bounds.right <= max_width)
+ font->bounds.per_char =
+ xmalloc (sizeof (XCharStruct) * (0xff - 0x20 + 1));
+ if (font->bounds.per_char == NULL)
{
- /* Fixed width and no overhangs. */
- xfree (font->per_char);
- font->per_char = NULL;
+ mac_unload_font (&one_mac_display_info, font);
+ return NULL;
}
+ bzero (font->bounds.per_char,
+ sizeof (XCharStruct) * (0xff - 0x20 + 1));
+
+ space_bounds = font->bounds.per_char;
+ mac_query_char_extents (NULL, 0x20, &font->ascent, &font->descent,
+ space_bounds, NULL);
+
+ for (c = 0x21, pcm = space_bounds + 1; c <= 0xff; c++, pcm++)
+ mac_query_char_extents (NULL, c, NULL, NULL, pcm, NULL);
}
/* Restore previous font number, size and face. */
TextFace (old_fontface);
}
+ if (space_bounds)
+ {
+ int c;
+
+ font->min_bounds = font->max_bounds = *space_bounds;
+ for (c = 0x21, pcm = space_bounds + 1; c <= 0x7f; c++, pcm++)
+ if (pcm->width > 0)
+ {
+ font->min_bounds.lbearing = min (font->min_bounds.lbearing,
+ pcm->lbearing);
+ font->min_bounds.rbearing = min (font->min_bounds.rbearing,
+ pcm->rbearing);
+ font->min_bounds.width = min (font->min_bounds.width,
+ pcm->width);
+ font->min_bounds.ascent = min (font->min_bounds.ascent,
+ pcm->ascent);
+
+ font->max_bounds.lbearing = max (font->max_bounds.lbearing,
+ pcm->lbearing);
+ font->max_bounds.rbearing = max (font->max_bounds.rbearing,
+ pcm->rbearing);
+ font->max_bounds.width = max (font->max_bounds.width,
+ pcm->width);
+ font->max_bounds.ascent = max (font->max_bounds.ascent,
+ pcm->ascent);
+ }
+ if (
+#if USE_ATSUI
+ font->mac_style == NULL &&
+#endif
+ font->max_bounds.width == font->min_bounds.width
+ && font->min_bounds.lbearing >= 0
+ && font->max_bounds.rbearing <= font->max_bounds.width)
+ {
+ /* Fixed width and no overhangs. */
+ xfree (font->bounds.per_char);
+ font->bounds.per_char = NULL;
+ }
+ }
+
#if !defined (MAC_OS8) || USE_ATSUI
/* AppKit and WebKit do some adjustment to the heights of Courier,
Helvetica, and Times. This only works on the environments where
XFontStruct *font;
{
xfree (font->full_name);
- if (font->per_char)
- xfree (font->per_char);
#if USE_ATSUI
if (font->mac_style)
- ATSUDisposeStyle (font->mac_style);
+ {
+ int i;
+
+ for (i = font->min_byte1; i <= font->max_byte1; i++)
+ if (font->bounds.rows[i])
+ xfree (font->bounds.rows[i]);
+ xfree (font->bounds.rows);
+ ATSUDisposeStyle (font->mac_style);
+ }
+ else
+#endif
+ if (font->bounds.per_char)
+ xfree (font->bounds.per_char);
#if USE_CG_TEXT_DRAWING
if (font->cg_font)
CGFontRelease (font->cg_font);
if (font->cg_glyphs)
xfree (font->cg_glyphs);
-#endif
#endif
xfree (font);
}
projects / emacs.git / commitdiff