static void
draw_fringe_bitmap_1 (struct window *w, struct glyph_row *row, int left_p, int overlay, int which)
{
struct frame *f = XFRAME (WINDOW_FRAME (w));
struct draw_fringe_bitmap_params p;
struct fringe_bitmap *fb;
int period;
int face_id = DEFAULT_FACE_ID;
int offset, header_line_height;
p.overlay_p = (overlay & 1) == 1;
p.cursor_p = (overlay & 2) == 2;
if (which != NO_FRINGE_BITMAP)
{
offset = 0;
}
else if (left_p)
{
which = row->left_fringe_bitmap;
face_id = row->left_fringe_face_id;
offset = row->left_fringe_offset;
}
else
{
which = row->right_fringe_bitmap;
face_id = row->right_fringe_face_id;
offset = row->right_fringe_offset;
}
if (face_id == DEFAULT_FACE_ID)
{
Lisp_Object face = fringe_faces[which];
face_id = NILP (face) ? lookup_named_face (f, Qfringe, 0)
: lookup_derived_face (f, face, FRINGE_FACE_ID, 0);
if (face_id < 0)
face_id = FRINGE_FACE_ID;
}
fb = get_fringe_bitmap_data (which);
period = fb->period;
/* Convert row to frame coordinates. */
p.y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y) + offset;
p.which = which;
p.bits = fb->bits;
p.wd = fb->width;
p.h = fb->height;
p.dh = (period > 0 ? (p.y % period) : 0);
p.h -= p.dh;
/* Adjust y to the offset in the row to start drawing the bitmap. */
switch (fb->align)
{
case ALIGN_BITMAP_CENTER:
p.y += (row->height - p.h) / 2;
break;
case ALIGN_BITMAP_BOTTOM:
p.y += (row->visible_height - p.h);
break;
case ALIGN_BITMAP_TOP:
break;
}
p.face = FACE_FROM_ID (f, face_id);
if (p.face == NULL)
{
/* This could happen after clearing face cache.
But it shouldn't happen anymore. ++kfs */
return;
}
PREPARE_FACE_FOR_DISPLAY (f, p.face);
/* Clear left fringe if no bitmap to draw or if bitmap doesn't fill
the fringe. */
p.bx = -1;
header_line_height = WINDOW_HEADER_LINE_HEIGHT (w);
p.by = WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, row->y));
p.ny = row->visible_height;
if (left_p)
{
int wd = WINDOW_LEFT_FRINGE_WIDTH (w);
int x = window_box_left (w, (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w)
? LEFT_MARGIN_AREA
: TEXT_AREA));
if (p.wd > wd)
p.wd = wd;
p.x = x - p.wd - (wd - p.wd) / 2;
if (p.wd < wd || p.y > p.by || p.y + p.h < p.by + p.ny)
{
/* If W has a vertical border to its left, don't draw over it. */
wd -= ((!WINDOW_LEFTMOST_P (w)
&& !WINDOW_HAS_VERTICAL_SCROLL_BAR (w))
? 1 : 0);
p.bx = x - wd;
p.nx = wd;
}
}
else
{
int x = window_box_right (w,
(WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w)
? RIGHT_MARGIN_AREA
: TEXT_AREA));
int wd = WINDOW_RIGHT_FRINGE_WIDTH (w);
if (p.wd > wd)
p.wd = wd;
p.x = x + (wd - p.wd) / 2;
/* Clear right fringe if no bitmap to draw of if bitmap doesn't fill
the fringe. */
if (p.wd < wd || p.y > p.by || p.y + p.h < p.by + p.ny)
{
p.bx = x;
p.nx = wd;
}
}
FRAME_RIF (f)->draw_fringe_bitmap (w, row, &p);
}
static void
draw_fringe_bitmap_1 (struct window *w, struct glyph_row *row, int left_p, int overlay, int which)
{
struct frame *f = XFRAME (WINDOW_FRAME (w));
struct draw_fringe_bitmap_params p;
struct fringe_bitmap *fb;
int period;
int face_id = DEFAULT_FACE_ID;
int offset, header_line_height;
p.overlay_p = (overlay & 1) == 1;
p.cursor_p = (overlay & 2) == 2;
if (which != NO_FRINGE_BITMAP)
{
offset = 0;
}
else if (left_p)
{
which = row->left_fringe_bitmap;
face_id = row->left_fringe_face_id;
offset = row->left_fringe_offset;
}
else
{
which = row->right_fringe_bitmap;
face_id = row->right_fringe_face_id;
offset = row->right_fringe_offset;
}
if (face_id == DEFAULT_FACE_ID)
{
Lisp_Object face = fringe_faces[which];
face_id = NILP (face) ? lookup_named_face (f, Qfringe, false)
: lookup_derived_face (f, face, FRINGE_FACE_ID, 0);
if (face_id < 0)
face_id = FRINGE_FACE_ID;
}
fb = get_fringe_bitmap_data (which);
period = fb->period;
/* Convert row to frame coordinates. */
p.y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y) + offset;
p.which = which;
p.bits = fb->bits;
p.wd = fb->width;
p.h = fb->height;
p.dh = (period > 0 ? (p.y % period) : 0);
p.h -= p.dh;
/* Adjust y to the offset in the row to start drawing the bitmap. */
switch (fb->align)
{
case ALIGN_BITMAP_CENTER:
p.y += (row->height - p.h) / 2;
break;
case ALIGN_BITMAP_BOTTOM:
p.y += (row->visible_height - p.h);
break;
case ALIGN_BITMAP_TOP:
break;
}
p.face = FACE_FROM_ID_OR_NULL (f, face_id);
if (p.face == NULL)
{
/* This could happen after clearing face cache.
But it shouldn't happen anymore. ++kfs */
return;
}
prepare_face_for_display (f, p.face);
/* Clear left fringe if no bitmap to draw or if bitmap doesn't fill
the fringe. */
p.bx = -1;
header_line_height = WINDOW_HEADER_LINE_HEIGHT (w);
p.by = WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, row->y));
p.ny = row->visible_height;
if (left_p)
{
int wd = WINDOW_LEFT_FRINGE_WIDTH (w);
int x = window_box_left (w, (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w)
? LEFT_MARGIN_AREA
: TEXT_AREA));
if (p.wd > wd)
p.wd = wd;
p.x = x - p.wd - (wd - p.wd) / 2;
if (p.wd < wd || p.y > p.by || p.y + p.h < p.by + p.ny)
{
/* If W has a vertical border to its left, don't draw over it. */
wd -= ((!WINDOW_LEFTMOST_P (w)
/* This could be wrong when we allow window local
right dividers - but the window on the left is hard
to get. */
&& !FRAME_RIGHT_DIVIDER_WIDTH (f)
&& !WINDOW_HAS_VERTICAL_SCROLL_BAR (w)
/* But don't reduce the fringe width if the window
has a left margin, because that means we are not
in danger of drawing over the vertical border,
and OTOH leaving out that one pixel leaves behind
traces of the cursor, if it was in column zero
before drawing non-empty margin area. */
&& w->left_margin_cols == 0)
? 1 : 0);
p.bx = x - wd;
p.nx = wd;
}
}
else
{
int x = window_box_right (w,
(WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w)
? RIGHT_MARGIN_AREA
: TEXT_AREA));
int wd = WINDOW_RIGHT_FRINGE_WIDTH (w);
if (p.wd > wd)
p.wd = wd;
p.x = x + (wd - p.wd) / 2;
/* Clear right fringe if no bitmap to draw of if bitmap doesn't fill
the fringe. */
if (p.wd < wd || p.y > p.by || p.y + p.h < p.by + p.ny)
{
p.bx = x;
p.nx = wd;
}
}
if (p.x >= WINDOW_BOX_LEFT_EDGE_X (w)
&& (p.x + p.wd) <= WINDOW_BOX_LEFT_EDGE_X (w) + WINDOW_PIXEL_WIDTH (w))
FRAME_RIF (f)->draw_fringe_bitmap (w, row, &p);
}
