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themingengine: Implement 'dotted' and 'dashed'

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This commit is contained in:
Benjamin Otte
2012-01-08 01:17:48 +01:00
parent 34a62d779b
commit 1b9e15485e
3 changed files with 267 additions and 0 deletions
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96
gtk/gtkroundedbox.c
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@ -246,6 +246,102 @@ _gtk_rounded_box_path (const GtkRoundedBox *box,
G_PI / 2, G_PI);
}
double
_gtk_rounded_box_guess_length (const GtkRoundedBox *box,
GtkCssSide side)
{
double length;
GtkCssCorner before, after;
before = side;
after = (side + 1) % 4;
if (side & 1)
length = box->box.height
- box->corner[before].vertical
- box->corner[after].vertical;
else
length = box->box.width
- box->corner[before].horizontal
- box->corner[after].horizontal;
length += G_PI * 0.125 * (box->corner[before].horizontal
+ box->corner[before].vertical
+ box->corner[after].horizontal
+ box->corner[after].vertical);
return length;
}
void
_gtk_rounded_box_path_side (const GtkRoundedBox *box,
cairo_t *cr,
GtkCssSide side)
{
switch (side)
{
case GTK_CSS_TOP:
_cairo_ellipsis (cr,
box->box.x + box->corner[GTK_CSS_TOP_LEFT].horizontal,
box->box.y + box->corner[GTK_CSS_TOP_LEFT].vertical,
box->corner[GTK_CSS_TOP_LEFT].horizontal,
box->corner[GTK_CSS_TOP_LEFT].vertical,
5 * G_PI / 4, 3 * G_PI / 2);
_cairo_ellipsis (cr,
box->box.x + box->box.width - box->corner[GTK_CSS_TOP_RIGHT].horizontal,
box->box.y + box->corner[GTK_CSS_TOP_RIGHT].vertical,
box->corner[GTK_CSS_TOP_RIGHT].horizontal,
box->corner[GTK_CSS_TOP_RIGHT].vertical,
- G_PI / 2, -G_PI / 4);
break;
case GTK_CSS_RIGHT:
_cairo_ellipsis (cr,
box->box.x + box->box.width - box->corner[GTK_CSS_TOP_RIGHT].horizontal,
box->box.y + box->corner[GTK_CSS_TOP_RIGHT].vertical,
box->corner[GTK_CSS_TOP_RIGHT].horizontal,
box->corner[GTK_CSS_TOP_RIGHT].vertical,
- G_PI / 4, 0);
_cairo_ellipsis (cr,
box->box.x + box->box.width - box->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
box->box.y + box->box.height - box->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
box->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
box->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
0, G_PI / 4);
break;
case GTK_CSS_BOTTOM:
_cairo_ellipsis (cr,
box->box.x + box->box.width - box->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
box->box.y + box->box.height - box->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
box->corner[GTK_CSS_BOTTOM_RIGHT].horizontal,
box->corner[GTK_CSS_BOTTOM_RIGHT].vertical,
G_PI / 4, G_PI / 2);
_cairo_ellipsis (cr,
box->box.x + box->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
box->box.y + box->box.height - box->corner[GTK_CSS_BOTTOM_LEFT].vertical,
box->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
box->corner[GTK_CSS_BOTTOM_LEFT].vertical,
G_PI / 2, 3 * G_PI / 4);
break;
case GTK_CSS_LEFT:
_cairo_ellipsis (cr,
box->box.x + box->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
box->box.y + box->box.height - box->corner[GTK_CSS_BOTTOM_LEFT].vertical,
box->corner[GTK_CSS_BOTTOM_LEFT].horizontal,
box->corner[GTK_CSS_BOTTOM_LEFT].vertical,
3 * G_PI / 4, G_PI);
_cairo_ellipsis (cr,
box->box.x + box->corner[GTK_CSS_TOP_LEFT].horizontal,
box->box.y + box->corner[GTK_CSS_TOP_LEFT].vertical,
box->corner[GTK_CSS_TOP_LEFT].horizontal,
box->corner[GTK_CSS_TOP_LEFT].vertical,
G_PI, 5 * G_PI / 4);
break;
default:
g_assert_not_reached ();
break;
}
}
void
_gtk_rounded_box_path_top (const GtkRoundedBox *outer,
const GtkRoundedBox *inner,