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contour: Special-case rectangles for strokes

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In many cases, the outline of a rectangle is just
two rectangles.
This commit is contained in:
Matthias Clasen
2020-12-05 14:20:17 -05:00
parent f25d858273
commit 92c4ea50f5
1 changed files with 32 additions and 0 deletions
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32
gsk/gskcontour.c
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@@ -518,11 +518,43 @@ gsk_rect_contour_reverse (const GskContour *contour)
self->height));
}
static gboolean
stroke_is_simple (GskStroke *stroke)
{
if (stroke->line_join == GSK_LINE_JOIN_ROUND ||
stroke->line_join == GSK_LINE_JOIN_BEVEL)
return FALSE;
if (stroke->miter_limit < 1.5)
return FALSE;
if (stroke->dash_length != 0)
return FALSE;
return TRUE;
}
static void
gsk_rect_contour_add_stroke (const GskContour *contour,
GskPathBuilder *builder,
GskStroke *stroke)
{
const GskRectContour *self = (const GskRectContour *) contour;
if (stroke_is_simple (stroke))
{
graphene_rect_t rect;
graphene_rect_init (&rect, self->x, self->y, self->width, self->height);
graphene_rect_inset (&rect, stroke->line_width / 2, stroke->line_width / 2);
gsk_path_builder_add_rect (builder, &rect);
graphene_rect_inset (&rect, - stroke->line_width, - stroke->line_width);
rect.origin.x += rect.size.width;
rect.size.width = - rect.size.width;
gsk_path_builder_add_rect (builder, &rect);
}
}
static void