void
drawtext(DC *dc, const char *text, Color col[ColLast], int x_offs, int force_width, int breaklines) {
XSetForeground(dc->dpy, dc->gc, BG(dc, col));
XFillRectangle(dc->dpy, dc->canvas, dc->gc, dc->x, dc->y, dc->w, dc->h);
if(!text)
return;
set_text(dc, text, force_width, breaklines);
pango_xft_render_layout(dc->xftdrawable, &col[ColFG].xft, dc->plo, (dc->x + x_offs) * PANGO_SCALE, dc->y * PANGO_SCALE);
}
void
drawtextn(DC *dc, const char *text, size_t n, ColorSet *col) {
int x = dc->x + dc->font.height/2;
int y = dc->y + (dc->h / 2) - (dc->font.height / 2);
XSetForeground(dc->dpy, dc->gc, col->FG);
if (!dc->xftdraw)
eprintf("error, xft drawable does not exist");
pango_layout_set_text(dc->plo, text, n);
pango_xft_render_layout(dc->xftdraw, &col->FG_xft, dc->plo,
x * PANGO_SCALE, y * PANGO_SCALE);
}
static void
render_callback (PangoLayout *layout,
int x,
int y,
gpointer context,
gpointer state G_GNUC_UNUSED)
{
MyXftContext *xft_context = (MyXftContext *) context;
pango_xft_render_layout (xft_context->draw,
&xft_context->color,
layout,
x * PANGO_SCALE, y * PANGO_SCALE);
}
static void
_pango_xft_TextDraw(TextState * ts, int x, int y, const char *text,
int len __UNUSED__)
{
FontCtxPangoXft *fdc = (FontCtxPangoXft *) ts->fdc;
PangoLayout *layout;
layout = pango_layout_new(_pango_ctx);
pango_layout_set_text(layout, text, -1);
pango_layout_set_font_description(layout, fdc->font);
pango_xft_render_layout(fdc->xftd, &(fdc->xftc), layout,
x * PANGO_SCALE, y * PANGO_SCALE);
g_object_unref(layout);
}
void RrFontDraw(XftDraw *d, RrTextureText *t, RrRect *area)
{
gint x,y,w;
XftColor c;
gint mw;
PangoRectangle rect;
PangoAttrList *attrlist;
PangoEllipsizeMode ell;
g_assert(!t->flow || t->maxwidth > 0);
y = area->y;
if (!t->flow)
/* center the text vertically
We do this centering based on the 'baseline' since different fonts
have different top edges. It looks bad when the whole string is
moved when 1 character from a non-default language is included in
the string */
y += font_calculate_baseline(t->font, area->height);
/* the +2 and -4 leave a small blank edge on the sides */
x = area->x + 2;
w = area->width;
if (t->flow) w = MAX(w, t->maxwidth);
w -= 4;
/* h = area->height; */
if (t->flow)
ell = PANGO_ELLIPSIZE_NONE;
else {
switch (t->ellipsize) {
case RR_ELLIPSIZE_NONE:
ell = PANGO_ELLIPSIZE_NONE;
break;
case RR_ELLIPSIZE_START:
ell = PANGO_ELLIPSIZE_START;
break;
case RR_ELLIPSIZE_MIDDLE:
ell = PANGO_ELLIPSIZE_MIDDLE;
break;
case RR_ELLIPSIZE_END:
ell = PANGO_ELLIPSIZE_END;
break;
default:
g_assert_not_reached();
}
}
pango_layout_set_text(t->font->layout, t->string, -1);
pango_layout_set_width(t->font->layout, w * PANGO_SCALE);
pango_layout_set_ellipsize(t->font->layout, ell);
pango_layout_set_single_paragraph_mode(t->font->layout, !t->flow);
/* * * end of setting up the layout * * */
pango_layout_get_pixel_extents(t->font->layout, NULL, &rect);
mw = rect.width;
/* pango_layout_set_alignment doesn't work with
pango_xft_render_layout_line */
switch (t->justify) {
case RR_JUSTIFY_LEFT:
break;
case RR_JUSTIFY_RIGHT:
x += (w - mw);
break;
case RR_JUSTIFY_CENTER:
x += (w - mw) / 2;
break;
case RR_JUSTIFY_NUM_TYPES:
g_assert_not_reached();
}
if (t->shadow_offset_x || t->shadow_offset_y) {
/* From nvidia's readme (chapter 23):
When rendering to a 32-bit window, keep in mind that the X RENDER
extension, used by most composite managers, expects "premultiplied
alpha" colors. This means that if your color has components (r,g,b)
and alpha value a, then you must render (a*r, a*g, a*b, a) into the
target window.
*/
c.color.red = (t->shadow_color->r | t->shadow_color->r << 8) *
t->shadow_alpha / 255;
c.color.green = (t->shadow_color->g | t->shadow_color->g << 8) *
t->shadow_alpha / 255;
c.color.blue = (t->shadow_color->b | t->shadow_color->b << 8) *
t->shadow_alpha / 255;
c.color.alpha = 0xffff * t->shadow_alpha / 255;
c.pixel = t->shadow_color->pixel;
/* see below... */
if (!t->flow) {
pango_xft_render_layout_line
(d, &c,
#if PANGO_VERSION_MAJOR > 1 || \
(PANGO_VERSION_MAJOR == 1 && PANGO_VERSION_MINOR >= 16)
pango_layout_get_line_readonly(t->font->layout, 0),
#else
pango_layout_get_line(t->font->layout, 0),
#endif
(x + t->shadow_offset_x) * PANGO_SCALE,
(y + t->shadow_offset_y) * PANGO_SCALE);
}
else {
pango_xft_render_layout(d, &c, t->font->layout,
(x + t->shadow_offset_x) * PANGO_SCALE,
(y + t->shadow_offset_y) * PANGO_SCALE);
}
}
c.color.red = t->color->r | t->color->r << 8;
c.color.green = t->color->g | t->color->g << 8;
c.color.blue = t->color->b | t->color->b << 8;
c.color.alpha = 0xff | 0xff << 8; /* fully opaque text */
c.pixel = t->color->pixel;
if (t->shortcut) {
const gchar *s = t->string + t->shortcut_pos;
t->font->shortcut_underline->start_index = t->shortcut_pos;
t->font->shortcut_underline->end_index = t->shortcut_pos +
(g_utf8_next_char(s) - s);
/* the attributes are owned by the layout.
re-add the attributes to the layout after changing the
start and end index */
attrlist = pango_layout_get_attributes(t->font->layout);
pango_attr_list_ref(attrlist);
pango_layout_set_attributes(t->font->layout, attrlist);
pango_attr_list_unref(attrlist);
}
/* layout_line() uses y to specify the baseline
The line doesn't need to be freed, it's a part of the layout */
if (!t->flow) {
pango_xft_render_layout_line
(d, &c,
#if PANGO_VERSION_MAJOR > 1 || \
(PANGO_VERSION_MAJOR == 1 && PANGO_VERSION_MINOR >= 16)
pango_layout_get_line_readonly(t->font->layout, 0),
#else
pango_layout_get_line(t->font->layout, 0),
#endif
x * PANGO_SCALE,
y * PANGO_SCALE);
}
else {
pango_xft_render_layout(d, &c, t->font->layout,
x * PANGO_SCALE,
y * PANGO_SCALE);
}
if (t->shortcut) {
t->font->shortcut_underline->start_index = 0;
t->font->shortcut_underline->end_index = 0;
/* the attributes are owned by the layout.
re-add the attributes to the layout after changing the
start and end index */
attrlist = pango_layout_get_attributes(t->font->layout);
pango_attr_list_ref(attrlist);
pango_layout_set_attributes(t->font->layout, attrlist);
pango_attr_list_unref(attrlist);
}
}
