static void
mnb_toolbar_property_changed (MnbToolbarShadow *self,
GParamSpec *param,
gpointer data)
{
MxTextureFrame *texture = MX_TEXTURE_FRAME (self);
MnbToolbarShadowPrivate *priv = self->priv;
priv->parent_texture =
mx_texture_frame_get_parent_texture (texture);
mx_texture_frame_get_border_values (texture,
&priv->top,
&priv->right,
&priv->bottom,
&priv->left);
}
static void
mnb_toolbar_background_border_changed (MnbToolbarBackground *self,
GParamSpec *param,
gpointer data)
{
MxTextureFrame *texture;
MnbToolbarBackgroundPrivate *priv = self->priv;
texture = (MxTextureFrame *) mx_widget_get_border_image (MX_WIDGET (self));
if (!texture)
return;
priv->parent_texture =
mx_texture_frame_get_parent_texture (texture);
mx_texture_frame_get_border_values (texture,
&priv->top,
&priv->right,
&priv->bottom,
&priv->left);
}
/*
* Paints the provided texture frame trimming to the area indicated by padding.
*
* (Basically, we have one asset that gets split into two parts: an border area
* that matches the padding, and the inside; MplPanelBackground paints the
* latter, while the border is painted by the compositor as the window shadow.)
*/
static void
mpl_panel_background_paint_border_image (CoglHandle *frame,
MxPadding *padding)
{
CoglHandle cogl_texture = COGL_INVALID_HANDLE;
CoglHandle cogl_material = COGL_INVALID_HANDLE;
ClutterActorBox box = { 0, };
gfloat width, height;
gfloat tex_width, tex_height;
gfloat ex, ey;
gfloat tx1, ty1, tx2, ty2;
gfloat left = 4, right = 4 , top = 4, bottom =4;
guint8 opacity;
ClutterTexture *parent_texture;
gfloat margin_l, margin_r, margin_t, margin_b;
parent_texture = mx_texture_frame_get_parent_texture (frame);
mx_texture_frame_get_border_values (frame, &top, &right, &bottom, &left);
/* no need to paint stuff if we don't have a texture */
if (G_UNLIKELY (parent_texture == NULL))
return;
/* parent texture may have been hidden, so need to make sure it gets
* realized
*/
if (!CLUTTER_ACTOR_IS_REALIZED (parent_texture))
clutter_actor_realize (CLUTTER_ACTOR (parent_texture));
cogl_texture = clutter_texture_get_cogl_texture (parent_texture);
if (cogl_texture == COGL_INVALID_HANDLE)
return;
cogl_material = clutter_texture_get_cogl_material (parent_texture);
if (cogl_material == COGL_INVALID_HANDLE)
return;
tex_width = cogl_texture_get_width (cogl_texture);
tex_height = cogl_texture_get_height (cogl_texture);
clutter_actor_get_allocation_box ((ClutterActor*) frame, &box);
width = box.x2 - box.x1;
height = box.y2 - box.y1;
/*
* These are the margins we are to trim expressed in texture coordinates.
*/
margin_l = padding->left / tex_width;
margin_r = padding->right / tex_width;
margin_t = padding->top / tex_height;
margin_b = padding->bottom / tex_height;
tx1 = left / tex_width;
tx2 = (tex_width - right) / tex_width;
ty1 = top / tex_height;
ty2 = (tex_height - bottom) / tex_height;
ex = width - right;
if (ex < 0)
ex = right;
ey = height - bottom;
if (ey < 0)
ey = bottom;
opacity = clutter_actor_get_paint_opacity ((ClutterActor*)frame);
cogl_material_set_color4ub (cogl_material,
opacity, opacity, opacity, opacity);
cogl_set_source (cogl_material);
cogl_material_set_layer_filters (cogl_material,
0,
COGL_MATERIAL_FILTER_NEAREST,
COGL_MATERIAL_FILTER_NEAREST);
{
GLfloat rectangles[] =
{
/* top left corner */
0.0, 0.0, left, top,
margin_l, margin_t,
tx1, ty1,
/* top middle */
left, 0.0, ex, top,
tx1, margin_t,
tx2, ty1,
/* top right */
ex, 0.0, width, top,
tx2, margin_t,
1.0 - margin_r, ty1,
/* mid left */
0.0, top, left, ey,
margin_l, ty1,
tx1, ty2,
/* center */
left, top, ex, ey,
tx1, ty1,
tx2, ty2,
/* mid right */
ex, top, width, ey,
tx2, ty1,
1.0 - margin_r, ty2,
/* bottom left */
0.0, ey, left, height,
margin_l, ty2,
tx1, 1.0 - margin_b,
/* bottom center */
left, ey, ex, height,
tx1, ty2,
tx2, 1.0 - margin_b,
/* bottom right */
ex, ey, width, height,
tx2, ty2,
1.0 - margin_r, 1.0 - margin_b
};
cogl_rectangles_with_texture_coords (rectangles, 9);
}
}
