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rendernode: Compute border node colors properly

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Change the way we compute border color cutoffs to the same method that
browsers use. This method does not consider the corner sizes at all and
only looks at border-width.
This commit is contained in:
Benjamin Otte 2019-05-02 19:22:43 +02:00
parent 8915d60900
commit 19227d9789
1 changed files with 19 additions and 9 deletions
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28
gsk/gskrendernodeimpl.c
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@ -580,22 +580,32 @@ gsk_border_node_draw (GskRenderNode *node,
* Note that the call to cairo_fill() will add the potential final
* segment by closing the path, so we don't have to care.
*/
float dst = MIN (bounds->size.width, bounds->size.height) / 2.0;
cairo_pattern_t *mesh;
cairo_matrix_t mat;
graphene_point_t tl, br;
float scale;
mesh = cairo_pattern_create_mesh ();
cairo_matrix_init_translate (&mat, -bounds->origin.x, -bounds->origin.y);
cairo_pattern_set_matrix (mesh, &mat);
scale = MIN (bounds->size.width / (self->border_width[1] + self->border_width[3]),
bounds->size.height / (self->border_width[0] + self->border_width[2]));
graphene_point_init (&tl,
self->border_width[3] * scale,
self->border_width[0] * scale);
graphene_point_init (&br,
bounds->size.width - self->border_width[1] * scale,
bounds->size.height - self->border_width[2] * scale);
/* Top */
if (self->border_width[0] > 0)
{
gsk_border_node_mesh_add_patch (mesh,
&self->border_color[0],
0, 0,
dst * self->border_width[3] / self->border_width[0], dst,
bounds->size.width - dst * self->border_width[1] / self->border_width[0], dst,
tl.x, tl.y,
br.x, tl.y,
bounds->size.width, 0);
}
@ -605,8 +615,8 @@ gsk_border_node_draw (GskRenderNode *node,
gsk_border_node_mesh_add_patch (mesh,
&self->border_color[1],
bounds->size.width, 0,
bounds->size.width - dst, dst * self->border_width[0] / self->border_width[1],
bounds->size.width - dst, bounds->size.height - dst * self->border_width[2] / self->border_width[1],
br.x, tl.y,
br.x, br.y,
bounds->size.width, bounds->size.height);
}
@ -616,8 +626,8 @@ gsk_border_node_draw (GskRenderNode *node,
gsk_border_node_mesh_add_patch (mesh,
&self->border_color[2],
0, bounds->size.height,
dst * self->border_width[3] / self->border_width[2], bounds->size.height - dst,
bounds->size.width - dst * self->border_width[1] / self->border_width[2], bounds->size.height - dst,
tl.x, br.y,
br.x, br.y,
bounds->size.width, bounds->size.height);
}
@ -627,8 +637,8 @@ gsk_border_node_draw (GskRenderNode *node,
gsk_border_node_mesh_add_patch (mesh,
&self->border_color[3],
0, 0,
dst, dst * self->border_width[0] / self->border_width[3],
dst, bounds->size.height - dst * self->border_width[2] / self->border_width[3],
tl.x, tl.y,
tl.x, br.y,
0, bounds->size.height);
}