enum w32_char_font_type font_type;
XCharStruct * pcm;
{
- /* NTEMACS_TODO: Use GetGlyphOutline where possible (no Unicode
- version on W9x) */
-
HDC hdc = GetDC (NULL);
HFONT old_font;
BOOL retval = FALSE;
though - we can call GetTextExtentPoint32 to get rbearing and
deduce width based on the font's per-string overhang. lbearing
is assumed to be zero. */
+
+ /* TODO: Some Thai characters (and other composites if Windows
+ supports them) do have lbearing, and report their total width
+ as zero. Need some way of handling them when
+ GetCharABCWidthsW fails. */
SIZE sz;
if (font_type == UNICODE_FONT)
}
else if (it->what == IT_COMPOSITION)
{
- /* NTEMACS_TODO: Composite glyphs. */
+ /* Note: A composition is represented as one glyph in the
+ glyph matrix. There are no padding glyphs. */
+ wchar_t char2b;
+ XFontStruct *font;
+ struct face *face = FACE_FROM_ID (it->f, it->face_id);
+ XCharStruct *pcm;
+ int font_not_found_p;
+ struct font_info *font_info;
+ int boff; /* baseline offset */
+ struct composition *cmp = composition_table[it->cmp_id];
+
+ /* Maybe translate single-byte characters to multibyte. */
+ it->char_to_display = it->c;
+ if (unibyte_display_via_language_environment
+ && SINGLE_BYTE_CHAR_P (it->c)
+ && (it->c >= 0240
+ || (it->c >= 0200
+ && !NILP (Vnonascii_translation_table))))
+ {
+ it->char_to_display = unibyte_char_to_multibyte (it->c);
+ }
+
+ /* Get face and font to use. Encode IT->char_to_display. */
+ it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display);
+ face = FACE_FROM_ID (it->f, it->face_id);
+ x_get_char_face_and_encoding (it->f, it->char_to_display,
+ it->face_id, &char2b, it->multibyte_p);
+ font = face->font;
+
+ /* When no suitable font found, use the default font. */
+ font_not_found_p = font == NULL;
+ if (font_not_found_p)
+ {
+ font = FRAME_FONT (it->f);
+ boff = it->f->output_data.w32->baseline_offset;
+ font_info = NULL;
+ }
+ else
+ {
+ font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id);
+ boff = font_info->baseline_offset;
+ if (font_info->vertical_centering)
+ boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff;
+ }
+
+ /* There are no padding glyphs, so there is only one glyph to
+ produce for the composition. Important is that pixel_width,
+ ascent and descent are the values of what is drawn by
+ draw_glyphs (i.e. the values of the overall glyphs composed). */
+ it->nglyphs = 1;
+
+ /* If we have not yet calculated pixel size data of glyphs of
+ the composition for the current face font, calculate them
+ now. Theoretically, we have to check all fonts for the
+ glyphs, but that requires much time and memory space. So,
+ here we check only the font of the first glyph. This leads
+ to incorrect display very rarely, and C-l (recenter) can
+ correct the display anyway. */
+ if (cmp->font != (void *) font)
+ {
+ /* Ascent and descent of the font of the first character of
+ this composition (adjusted by baseline offset). Ascent
+ and descent of overall glyphs should not be less than
+ them respectively. */
+ int font_ascent = FONT_BASE (font) + boff;
+ int font_descent = FONT_DESCENT (font) - boff;
+ /* Bounding box of the overall glyphs. */
+ int leftmost, rightmost, lowest, highest;
+ int i, width, ascent, descent;
+ enum w32_font_type font_type;
+
+ cmp->font = (void *) font;
+
+ if (font->bdf && CHARSET_DIMENSION (CHAR_CHARSET (it->c)) == 1)
+ font_type = BDF_1D_FONT;
+ else if (font->bdf)
+ font_type = BDF_2D_FONT;
+ else
+ font_type = UNICODE_FONT;
+
+ /* Initialize the bounding box. */
+ pcm = w32_per_char_metric (font, &char2b, font_type);
+ if (pcm)
+ {
+ width = pcm->width;
+ ascent = pcm->ascent;
+ descent = pcm->descent;
+ }
+ else
+ {
+ width = FONT_WIDTH (font);
+ ascent = FONT_BASE (font);
+ descent = FONT_DESCENT (font);
+ }
+
+ rightmost = width;
+ lowest = - descent + boff;
+ highest = ascent + boff;
+ leftmost = 0;
+
+ if (font_info
+ && font_info->default_ascent
+ && CHAR_TABLE_P (Vuse_default_ascent)
+ && !NILP (Faref (Vuse_default_ascent,
+ make_number (it->char_to_display))))
+ highest = font_info->default_ascent + boff;
+
+ /* Draw the first glyph at the normal position. It may be
+ shifted to right later if some other glyphs are drawn at
+ the left. */
+ cmp->offsets[0] = 0;
+ cmp->offsets[1] = boff;
+
+ /* Set cmp->offsets for the remaining glyphs. */
+ for (i = 1; i < cmp->glyph_len; i++)
+ {
+ int left, right, btm, top;
+ int ch = COMPOSITION_GLYPH (cmp, i);
+ int face_id = FACE_FOR_CHAR (it->f, face, ch);
+
+ face = FACE_FROM_ID (it->f, face_id);
+ x_get_char_face_and_encoding (it->f, ch, face->id, &char2b,
+ it->multibyte_p);
+ font = face->font;
+ if (font == NULL)
+ {
+ font = FRAME_FONT (it->f);
+ boff = it->f->output_data.w32->baseline_offset;
+ font_info = NULL;
+ }
+ else
+ {
+ font_info
+ = FONT_INFO_FROM_ID (it->f, face->font_info_id);
+ boff = font_info->baseline_offset;
+ if (font_info->vertical_centering)
+ boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff;
+ }
+
+ if (font->bdf && CHARSET_DIMENSION (CHAR_CHARSET (ch)) == 1)
+ font_type = BDF_1D_FONT;
+ else if (font->bdf)
+ font_type = BDF_2D_FONT;
+ else
+ font_type = UNICODE_FONT;
+
+ pcm = w32_per_char_metric (font, &char2b, font_type);
+ if (pcm)
+ {
+ width = pcm->width;
+ ascent = pcm->ascent;
+ descent = pcm->descent;
+ }
+ else
+ {
+ width = FONT_WIDTH (font);
+ ascent = FONT_BASE (font);
+ descent = FONT_DESCENT (font);
+ }
+
+ if (cmp->method != COMPOSITION_WITH_RULE_ALTCHARS)
+ {
+ /* Relative composition with or without
+ alternate chars. */
+ left = (leftmost + rightmost - width) / 2;
+ btm = - descent + boff;
+ if (font_info && font_info->relative_compose
+ && (! CHAR_TABLE_P (Vignore_relative_composition)
+ || NILP (Faref (Vignore_relative_composition,
+ make_number (ch)))))
+ {
+
+ if (- descent >= font_info->relative_compose)
+ /* One extra pixel between two glyphs. */
+ btm = highest + 1;
+ else if (ascent <= 0)
+ /* One extra pixel between two glyphs. */
+ btm = lowest - 1 - ascent - descent;
+ }
+ }
+ else
+ {
+ /* A composition rule is specified by an integer
+ value that encodes global and new reference
+ points (GREF and NREF). GREF and NREF are
+ specified by numbers as below:
+
+ 0---1---2 -- ascent
+ | |
+ | |
+ | |
+ 9--10--11 -- center
+ | |
+ ---3---4---5--- baseline
+ | |
+ 6---7---8 -- descent
+ */
+ int rule = COMPOSITION_RULE (cmp, i);
+ int gref, nref, grefx, grefy, nrefx, nrefy;
+
+ COMPOSITION_DECODE_RULE (rule, gref, nref);
+ grefx = gref % 3, nrefx = nref % 3;
+ grefy = gref / 3, nrefy = nref / 3;
+
+ left = (leftmost
+ + grefx * (rightmost - leftmost) / 2
+ - nrefx * width / 2);
+ btm = ((grefy == 0 ? highest
+ : grefy == 1 ? 0
+ : grefy == 2 ? lowest
+ : (highest + lowest) / 2)
+ - (nrefy == 0 ? ascent + descent
+ : nrefy == 1 ? descent - boff
+ : nrefy == 2 ? 0
+ : (ascent + descent) / 2));
+ }
+
+ cmp->offsets[i * 2] = left;
+ cmp->offsets[i * 2 + 1] = btm + descent;
+
+ /* Update the bounding box of the overall glyphs. */
+ right = left + width;
+ top = btm + descent + ascent;
+ if (left < leftmost)
+ leftmost = left;
+ if (right > rightmost)
+ rightmost = right;
+ if (top > highest)
+ highest = top;
+ if (btm < lowest)
+ lowest = btm;
+ }
+
+ /* If there are glyphs whose x-offsets are negative,
+ shift all glyphs to the right and make all x-offsets
+ non-negative. */
+ if (leftmost < 0)
+ {
+ for (i = 0; i < cmp->glyph_len; i++)
+ cmp->offsets[i * 2] -= leftmost;
+ rightmost -= leftmost;
+ }
+
+ cmp->pixel_width = rightmost;
+ cmp->ascent = highest;
+ cmp->descent = - lowest;
+ if (cmp->ascent < font_ascent)
+ cmp->ascent = font_ascent;
+ if (cmp->descent < font_descent)
+ cmp->descent = font_descent;
+ }
+
+ it->pixel_width = cmp->pixel_width;
+ it->ascent = it->phys_ascent = cmp->ascent;
+ it->descent = it->phys_descent = cmp->descent;
+
+ if (face->box != FACE_NO_BOX)
+ {
+ int thick = face->box_line_width;
+ it->ascent += thick;
+ it->descent += thick;
+
+ if (it->start_of_box_run_p)
+ it->pixel_width += thick;
+ if (it->end_of_box_run_p)
+ it->pixel_width += thick;
+ }
+
+ /* If face has an overline, add the height of the overline
+ (1 pixel) and a 1 pixel margin to the character height. */
+ if (face->overline_p)
+ it->ascent += 2;
+
+ take_vertical_position_into_account (it);
+
+ if (it->glyph_row)
+ x_append_composite_glyph (it);
}
else if (it->what == IT_IMAGE)
x_produce_image_glyph (it);
x_compute_glyph_string_overhangs (s)
struct glyph_string *s;
{
- /* NTEMACS_TODO: Windows does not appear to have a method for
+ /* TODO: Windows does not appear to have a method for
getting this info without getting the ABC widths for each
individual character and working it out manually. */
}
shouldn't be drawn in the first place. */
if (!s->background_filled_p)
{
-#if 0 /* NTEMACS_TODO: stipple */
+#if 0 /* TODO: stipple */
if (s->stippled_p)
{
/* Fill background with a stipple pattern. */
struct glyph_string *s;
{
int i, x;
+ HFONT old_font;
/* If first glyph of S has a left box line, start drawing the text
of S to the right of that box line. */
SetTextAlign (s->hdc, TA_BASELINE | TA_LEFT);
if (s->font && s->font->hfont)
- SelectObject (s->hdc, s->font->hfont);
+ old_font = SelectObject (s->hdc, s->font->hfont);
/* Draw characters of S as rectangles if S's font could not be
loaded. */
/* Draw text with TextOut and friends. */
W32_TEXTOUT (s, x, s->ybase - boff, s->char2b, s->nchars);
}
+ if (s->font && s->font->hfont)
+ SelectObject (s->hdc, old_font);
}
/* Draw the foreground of composite glyph string S. */
struct glyph_string *s;
{
int i, x;
+ HFONT old_font;
/* If first glyph of S has a left box line, start drawing the text
of S to the right of that box line. */
SetBkMode (s->hdc, TRANSPARENT);
SetTextAlign (s->hdc, TA_BASELINE | TA_LEFT);
+ if (s->font && s->font->hfont)
+ old_font = SelectObject (s->hdc, s->font->hfont);
+
/* Draw a rectangle for the composition if the font for the very
first character of the composition could not be loaded. */
if (s->font_not_found_p)
else
{
for (i = 0; i < s->nchars; i++, ++s->gidx)
- W32_TEXTOUT (s, x + s->cmp->offsets[s->gidx * 2],
- s->ybase - s->cmp->offsets[s->gidx * 2 + 1],
- s->char2b + i, 1);
+ W32_TEXTOUT (s, x + s->cmp->offsets[s->gidx * 2],
+ s->ybase - s->cmp->offsets[s->gidx * 2 + 1],
+ s->char2b + i, 1);
}
+ if (s->font && s->font->hfont)
+ SelectObject (s->hdc, old_font);
}
/* Allocate a color which is lighter or darker than *COLOR by FACTOR
max (0, min (0xff, delta + GetGValue (*color))),
max (0, min (0xff, delta + GetBValue (*color))));
- /* NTEMACS_TODO: Map to palette and retry with delta if same? */
- /* NTEMACS_TODO: Free colors (if using palette)? */
+ /* TODO: Map to palette and retry with delta if same? */
+ /* TODO: Free colors (if using palette)? */
if (new == *color)
return 0;
COLORREF background = di->relief_background;
struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
- /* NTEMACS_TODO: Free colors (if using palette)? */
+ /* TODO: Free colors (if using palette)? */
/* Allocate new color. */
xgcv.foreground = default_pixel;
if (relief->gc == 0)
{
-#if 0 /* NTEMACS_TODO: stipple */
+#if 0 /* TODO: stipple */
xgcv.stipple = dpyinfo->gray;
mask |= GCStipple;
#endif
if (s->img->pixmap)
{
-#if 0 /* NTEMACS_TODO: image mask */
+#if 0 /* TODO: image mask */
if (s->img->mask)
{
/* We can't set both a clip mask and use XSetClipRectangles
if (s->img->pixmap)
{
-#if 0 /* NTEMACS_TODO: image mask */
+#if 0 /* TODO: image mask */
if (s->img->mask)
{
/* We can't set both a clip mask and use XSetClipRectangles
struct glyph_string *s;
int x, y, w, h;
{
-#if 0 /* NTEMACS_TODO: stipple */
+#if 0 /* TODO: stipple */
if (s->stippled_p)
{
/* Fill background with a stipple pattern. */
s->stippled_p = s->face->stipple != 0;
if (height > s->img->height
|| margin
-#if 0 /* NTEMACS_TODO: image mask */
+#if 0 /* TODO: image mask */
|| s->img->mask
#endif
|| s->img->pixmap == 0
x = s->x;
y = s->y + box_line_width;
-#if 0 /* NTEMACS_TODO: image mask */
+#if 0 /* TODO: image mask */
if (s->img->mask)
{
/* Create a pixmap as large as the glyph string Fill it with
w32_get_glyph_string_clip_rect (s, &r);
w32_set_clip_rectangle (hdc, &r);
-#if 0 /* NTEMACS_TODO: stipple */
+#if 0 /* TODO: stipple */
if (s->face->stipple)
{
/* Fill background with a stipple pattern. */
}
}
-#if 0 /* NTEMACS_TODO: mouse cursor */
+#if 0 /* TODO: mouse cursor */
XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor);
#endif
}
note_mode_line_highlight (w, x, portion == 1);
return;
}
-#if 0 /* NTEMACS_TODO: mouse cursor */
+#if 0 /* TODO: mouse cursor */
else
XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
f->output_data.x->text_cursor);
output_cursor = saved_cursor;
set_x_cursor:
-#if 0 /* NTEMACS_TODO: mouse cursor */
+#if 0 /* TODO: mouse cursor */
/* Change the mouse cursor. */
if (draw == DRAW_NORMAL_TEXT)
XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
if (numchars <= 0)
abort (); /* Don't think this happens. */
- /* NTEMACS_TODO: tooltips, tool-bars, ghostscript integration, mouse
+ /* TODO: tooltips, tool-bars, ghostscript integration, mouse
cursors. */
while (get_next_msg (&msg, FALSE))
{
break;
case WM_KILLFOCUS:
- /* NTEMACS_TODO: some of this belongs in MOUSE_LEAVE */
+ /* TODO: some of this belongs in MOUSE_LEAVE */
f = x_top_window_to_frame (dpyinfo, msg.msg.hwnd);
if (f)
int *w, *h;
{
/*
- * NTEMACS_TODO: Windows does not appear to offer min bound, only
+ * TODO: Windows does not appear to offer min bound, only
* average and maximum width, and maximum height.
*/
*h = FONT_HEIGHT (font);
input_signal_count < count && !FRAME_VISIBLE_P (f);)
{
/* Force processing of queued events. */
- /* NTEMACS_TODO: x_sync equivalent? */
+ /* TODO: x_sync equivalent? */
/* Machines that do polling rather than SIGIO have been observed
to go into a busy-wait here. So we'll fake an alarm signal
dpyinfo->mouse_face_face_id = DEFAULT_FACE_ID;
dpyinfo->mouse_face_window = Qnil;
- /* NTEMACS_TODO: dpyinfo->gray */
+ /* TODO: dpyinfo->gray */
}
projects / emacs.git / commitdiff