static void
st_icon_paint (ClutterActor *actor)
{
StIconPrivate *priv = ST_ICON (actor)->priv;
/* Chain up to paint background */
CLUTTER_ACTOR_CLASS (st_icon_parent_class)->paint (actor);
if (priv->icon_texture)
{
if (priv->shadow_material)
{
ClutterActorBox allocation;
float width, height;
clutter_actor_get_allocation_box (priv->icon_texture, &allocation);
clutter_actor_box_get_size (&allocation, &width, &height);
allocation.x1 = (width - priv->shadow_width) / 2;
allocation.y1 = (height - priv->shadow_height) / 2;
allocation.x2 = allocation.x1 + priv->shadow_width;
allocation.y2 = allocation.y1 + priv->shadow_height;
_st_paint_shadow_with_opacity (priv->shadow_spec,
priv->shadow_material,
&allocation,
clutter_actor_get_paint_opacity (priv->icon_texture));
}
clutter_actor_paint (priv->icon_texture);
}
}
static void
clutter_box_real_paint (ClutterActor *actor)
{
ClutterBoxPrivate *priv = CLUTTER_BOX (actor)->priv;
if (priv->color_set)
{
ClutterActorBox box = { 0, };
gfloat width, height;
guint8 tmp_alpha;
clutter_actor_get_allocation_box (actor, &box);
clutter_actor_box_get_size (&box, &width, &height);
tmp_alpha = clutter_actor_get_paint_opacity (actor)
* priv->color.alpha
/ 255;
cogl_set_source_color4ub (priv->color.red,
priv->color.green,
priv->color.blue,
tmp_alpha);
cogl_rectangle (0, 0, width, height);
}
g_list_foreach (priv->children, (GFunc) clutter_actor_paint, NULL);
}
static void
empathy_rounded_effect_paint (ClutterEffect *effect,
ClutterEffectPaintFlags flags)
{
EmpathyRoundedEffect *self = EMPATHY_ROUNDED_EFFECT (effect);
ClutterActor *actor;
ClutterActorBox allocation = { 0, };
gfloat width, height;
actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (self));
clutter_actor_get_allocation_box (actor, &allocation);
clutter_actor_box_get_size (&allocation, &width, &height);
cogl_path_new ();
/* Create and store a path describing a rounded rectangle. The small
* size of the preview window makes the radius of the rounded corners
* very small too, so we can safely use a very coarse angle step
* without loosing rendering accuracy. It also significantly reduces
* the time spent in the underlying internal cogl path functions */
cogl_path_round_rectangle (0, 0, width, height, height / 16., 15);
cogl_clip_push_from_path ();
/* Flip */
cogl_push_matrix ();
cogl_translate (width, 0, 0);
cogl_scale (-1, 1, 1);
clutter_actor_continue_paint (actor);
cogl_pop_matrix ();
cogl_clip_pop ();
}
void clarity_cover_set_album_item (ClarityCover *self, AlbumItem *item) {
g_return_if_fail(CLARITY_IS_COVER(self));
ClarityCoverPrivate *priv = CLARITY_COVER_GET_PRIVATE (self);
g_return_if_fail(priv);
GError *error = NULL;
gint y_offset;
if (!priv->texture) {
priv->texture = gtk_clutter_texture_new();
clutter_container_add_actor(CLUTTER_CONTAINER(self), priv->texture);
}
// Set cover artwork
gtk_clutter_texture_set_from_pixbuf (GTK_CLUTTER_TEXTURE(priv->texture), item->albumart, &error);
if (error) {
g_warning("%s", error->message);
g_error_free(error);
return;
}
// Add reflection
if (! priv->reflection) {
y_offset = clutter_actor_get_height (priv->texture) + V_PADDING;
priv->reflection = clutter_clone_new (priv->texture);
clutter_actor_add_constraint (priv->reflection, clutter_bind_constraint_new (priv->texture, CLUTTER_BIND_X, 0.0));
clutter_actor_add_constraint (priv->reflection, clutter_bind_constraint_new (priv->texture, CLUTTER_BIND_Y, y_offset));
clutter_actor_add_constraint (priv->reflection, clutter_bind_constraint_new (priv->texture, CLUTTER_BIND_WIDTH, 0.0));
clutter_actor_add_constraint (priv->reflection, clutter_bind_constraint_new (priv->texture, CLUTTER_BIND_HEIGHT, 0.0));
g_signal_connect (priv->reflection,
"paint",
G_CALLBACK (_clone_paint_cb),
NULL);
clutter_container_add_actor(CLUTTER_CONTAINER(self), priv->reflection);
}
ClutterActorBox box;
gfloat w, h;
clutter_actor_get_allocation_box (priv->texture, &box);
clutter_actor_box_get_size (&box, &w, &h);
if( h > DEFAULT_IMG_SIZE) {
gfloat temp = w * DEFAULT_IMG_SIZE / h;
clutter_actor_set_size(priv->texture, temp, DEFAULT_IMG_SIZE);
}
// Add title / artist data
if (priv->title)
g_free(priv->title);
priv->title = g_strdup(item->albumname);
if (priv->artist)
g_free(priv->artist);
priv->artist = g_strdup(item->artist);
}
static void
clutter_path_constraint_update_allocation (ClutterConstraint *constraint,
ClutterActor *actor,
ClutterActorBox *allocation)
{
ClutterPathConstraint *self = CLUTTER_PATH_CONSTRAINT (constraint);
gfloat width, height;
ClutterKnot position;
guint knot_id;
if (self->path == NULL)
return;
knot_id = clutter_path_get_position (self->path, self->offset, &position);
clutter_actor_box_get_size (allocation, &width, &height);
allocation->x1 = position.x;
allocation->y1 = position.y;
allocation->x2 = allocation->x1 + width;
allocation->y2 = allocation->y1 + height;
if (knot_id != self->current_node)
{
self->current_node = knot_id;
g_signal_emit (self, path_signals[NODE_REACHED], 0,
self->actor,
self->current_node);
}
}
static void
st_icon_paint (ClutterActor *actor)
{
StIconPrivate *priv = ST_ICON (actor)->priv;
st_widget_paint_background (ST_WIDGET (actor));
if (priv->icon_texture)
{
if (priv->shadow_material)
{
ClutterActorBox allocation;
float width, height;
clutter_actor_get_allocation_box (priv->icon_texture, &allocation);
clutter_actor_box_get_size (&allocation, &width, &height);
_st_paint_shadow_with_opacity (priv->shadow_spec,
priv->shadow_material,
&allocation,
clutter_actor_get_paint_opacity (priv->icon_texture));
}
clutter_actor_paint (priv->icon_texture);
}
}
CoglHandle
_st_create_shadow_material_from_actor (StShadow *shadow_spec,
ClutterActor *actor)
{
CoglHandle shadow_material = COGL_INVALID_HANDLE;
if (CLUTTER_IS_TEXTURE (actor))
{
CoglHandle texture;
texture = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (actor));
shadow_material = _st_create_shadow_material (shadow_spec, texture);
}
else
{
CoglHandle buffer, offscreen;
ClutterActorBox box;
CoglColor clear_color;
float width, height;
clutter_actor_get_allocation_box (actor, &box);
clutter_actor_box_get_size (&box, &width, &height);
if (width == 0 || height == 0)
return COGL_INVALID_HANDLE;
buffer = st_cogl_texture_new_with_size_wrapper (width, height,
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_ANY);
if (buffer == COGL_INVALID_HANDLE)
return COGL_INVALID_HANDLE;
offscreen = cogl_offscreen_new_to_texture (buffer);
if (offscreen == COGL_INVALID_HANDLE)
{
cogl_handle_unref (buffer);
return COGL_INVALID_HANDLE;
}
cogl_color_set_from_4ub (&clear_color, 0, 0, 0, 0);
cogl_push_framebuffer (offscreen);
cogl_clear (&clear_color, COGL_BUFFER_BIT_COLOR);
cogl_translate (-box.x1, -box.y1, 0);
cogl_ortho (0, width, height, 0, 0, 1.0);
clutter_actor_paint (actor);
cogl_pop_framebuffer ();
cogl_handle_unref (offscreen);
shadow_material = _st_create_shadow_material (shadow_spec, buffer);
cogl_handle_unref (buffer);
}
return shadow_material;
}
/* Allocate position and size of actor and its children */
static void _xfdashboard_live_workspace_allocate(ClutterActor *self,
const ClutterActorBox *inBox,
ClutterAllocationFlags inFlags)
{
XfdashboardLiveWorkspacePrivate *priv=XFDASHBOARD_LIVE_WORKSPACE(self)->priv;
gfloat availableWidth, availableHeight;
gfloat workspaceWidth, workspaceHeight;
ClutterContent *content;
XfdashboardWindowTrackerWindow *window;
gint x, y, w, h;
ClutterActor *child;
ClutterActorIter iter;
ClutterActorBox childAllocation={ 0, };
/* Chain up to store the allocation of the actor */
CLUTTER_ACTOR_CLASS(xfdashboard_live_workspace_parent_class)->allocate(self, inBox, inFlags);
/* If we handle no workspace to not set allocation of children */
if(!priv->workspace) return;
/* Get size of workspace and this allocation as it is needed
* to calculate translated position and size
*/
clutter_actor_box_get_size(inBox, &availableWidth, &availableHeight);
workspaceWidth=(gfloat)xfdashboard_window_tracker_workspace_get_width(priv->workspace);
workspaceHeight=(gfloat)xfdashboard_window_tracker_workspace_get_height(priv->workspace);
/* Iterate through window actors, calculate translated allocation of
* position and size to available size of this actor
*/
clutter_actor_iter_init(&iter, self);
while(clutter_actor_iter_next(&iter, &child))
{
/* Get window actor */
if(!CLUTTER_IS_ACTOR(child)) continue;
/* Get associated window */
content=clutter_actor_get_content(child);
if(!content || !XFDASHBOARD_IS_WINDOW_CONTENT(content)) continue;
window=xfdashboard_window_content_get_window(XFDASHBOARD_WINDOW_CONTENT(content));
if(!window) continue;
/* Get real size of child */
xfdashboard_window_tracker_window_get_position_size(window, &x, &y, &w, &h);
/* Calculate translated position and size of child */
childAllocation.x1=ceil((x/workspaceWidth)*availableWidth);
childAllocation.y1=ceil((y/workspaceHeight)*availableHeight);
childAllocation.x2=childAllocation.x1+ceil((w/workspaceWidth)*availableWidth);
childAllocation.y2=childAllocation.y1+ceil((h/workspaceHeight)*availableHeight);
/* Set allocation of child */
clutter_actor_allocate(child, &childAllocation, inFlags);
}
}
static void
st_box_layout_allocate (ClutterActor *actor,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
StBoxLayoutPrivate *priv = ST_BOX_LAYOUT (actor)->priv;
StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (actor));
ClutterLayoutManager *layout = clutter_actor_get_layout_manager (actor);
ClutterActorBox content_box;
gfloat avail_width, avail_height, min_width, natural_width, min_height, natural_height;
CLUTTER_ACTOR_CLASS (st_box_layout_parent_class)->allocate (actor, box, flags);
st_theme_node_get_content_box (theme_node, box, &content_box);
clutter_actor_box_get_size (&content_box, &avail_width, &avail_height);
clutter_layout_manager_get_preferred_width (layout, CLUTTER_CONTAINER (actor),
avail_height,
&min_width, &natural_width);
clutter_layout_manager_get_preferred_height (layout, CLUTTER_CONTAINER (actor),
MAX (avail_width, min_width),
&min_height, &natural_height);
/* update adjustments for scrolling */
if (priv->vadjustment)
{
gdouble prev_value;
g_object_set (G_OBJECT (priv->vadjustment),
"lower", 0.0,
"upper", MAX (min_height, avail_height),
"page-size", avail_height,
"step-increment", avail_height / 6,
"page-increment", avail_height - avail_height / 6,
NULL);
prev_value = st_adjustment_get_value (priv->vadjustment);
st_adjustment_set_value (priv->vadjustment, prev_value);
}
if (priv->hadjustment)
{
gdouble prev_value;
g_object_set (G_OBJECT (priv->hadjustment),
"lower", 0.0,
"upper", MAX (min_width, avail_width),
"page-size", avail_width,
"step-increment", avail_width / 6,
"page-increment", avail_width - avail_width / 6,
NULL);
prev_value = st_adjustment_get_value (priv->hadjustment);
st_adjustment_set_value (priv->hadjustment, prev_value);
}
}
static void
clutter_bind_constraint_update_allocation (ClutterConstraint *constraint,
ClutterActor *actor,
ClutterActorBox *allocation)
{
ClutterBindConstraint *bind = CLUTTER_BIND_CONSTRAINT (constraint);
gfloat source_width, source_height;
gfloat actor_width, actor_height;
ClutterVertex source_position = { 0., };
if (bind->source == NULL)
return;
source_position.x = clutter_actor_get_x (bind->source);
source_position.y = clutter_actor_get_y (bind->source);
clutter_actor_get_size (bind->source, &source_width, &source_height);
clutter_actor_box_get_size (allocation, &actor_width, &actor_height);
switch (bind->coordinate)
{
case CLUTTER_BIND_X:
allocation->x1 = source_position.x + bind->offset;
allocation->x2 = allocation->x1 + actor_width;
break;
case CLUTTER_BIND_Y:
allocation->y1 = source_position.y + bind->offset;
allocation->y2 = allocation->y1 + actor_height;
break;
case CLUTTER_BIND_POSITION:
allocation->x1 = source_position.x + bind->offset;
allocation->y1 = source_position.y + bind->offset;
allocation->x2 = allocation->x1 + actor_width;
allocation->y2 = allocation->y1 + actor_height;
break;
case CLUTTER_BIND_WIDTH:
allocation->x2 = allocation->x1 + source_width + bind->offset;
break;
case CLUTTER_BIND_HEIGHT:
allocation->y2 = allocation->y1 + source_height + bind->offset;
break;
case CLUTTER_BIND_SIZE:
allocation->x2 = allocation->x1 + source_width + bind->offset;
allocation->y2 = allocation->y1 + source_height + bind->offset;
break;
default:
g_assert_not_reached ();
break;
}
}
static void
stage_allocation_changed_cb (ClutterActor *stage,
const ClutterActorBox *allocation,
ClutterAllocationFlags flags,
ClutterActor *box)
{
gfloat width, height;
clutter_actor_box_get_size (allocation, &width, &height);
clutter_actor_set_size (box, width, height);
}
/* Allocate position and size of actor and its children */
static void _xfdashboard_workspace_selector_allocate(ClutterActor *inActor,
const ClutterActorBox *inBox,
ClutterAllocationFlags inFlags)
{
XfdashboardWorkspaceSelector *self=XFDASHBOARD_WORKSPACE_SELECTOR(inActor);
XfdashboardWorkspaceSelectorPrivate *priv=self->priv;
gfloat availableWidth, availableHeight;
gfloat childWidth, childHeight;
ClutterActor *child;
ClutterActorIter iter;
ClutterActorBox childAllocation={ 0, };
/* Chain up to store the allocation of the actor */
CLUTTER_ACTOR_CLASS(xfdashboard_workspace_selector_parent_class)->allocate(inActor, inBox, inFlags);
/* Get available size */
clutter_actor_box_get_size(inBox, &availableWidth, &availableHeight);
/* Calculate new position and size of visible children */
childAllocation.x1=childAllocation.y1=priv->spacing;
clutter_actor_iter_init(&iter, CLUTTER_ACTOR(inActor));
while(clutter_actor_iter_next(&iter, &child))
{
/* Is child visible? */
if(!CLUTTER_ACTOR_IS_VISIBLE(child)) continue;
/* Calculate new position and size of child */
if(priv->orientation==CLUTTER_ORIENTATION_HORIZONTAL)
{
childHeight=availableHeight-(2*priv->spacing);
clutter_actor_get_preferred_width(child, childHeight, NULL, &childWidth);
childAllocation.y1=ceil(MAX(((availableHeight-childHeight))/2.0f, priv->spacing));
childAllocation.y2=floor(childAllocation.y1+childHeight);
childAllocation.x2=floor(childAllocation.x1+childWidth);
}
else
{
childWidth=availableWidth-(2*priv->spacing);
clutter_actor_get_preferred_height(child, childWidth, NULL, &childHeight);
childAllocation.x1=ceil(MAX(((availableWidth-childWidth))/2.0f, priv->spacing));
childAllocation.x2=floor(childAllocation.x1+childWidth);
childAllocation.y2=floor(childAllocation.y1+childHeight);
}
clutter_actor_allocate(child, &childAllocation, inFlags);
/* Set up for next child */
if(priv->orientation==CLUTTER_ORIENTATION_HORIZONTAL) childAllocation.x1=floor(childAllocation.x1+childWidth+priv->spacing);
else childAllocation.y1=floor(childAllocation.y1+childHeight+priv->spacing);
}
}
static void
clutter_align_constraint_update_allocation (ClutterConstraint *constraint,
ClutterActor *actor,
ClutterActorBox *allocation)
{
ClutterAlignConstraint *align = CLUTTER_ALIGN_CONSTRAINT (constraint);
gfloat source_width, source_height;
gfloat actor_width, actor_height;
gfloat source_x, source_y;
if (align->source == NULL)
return;
clutter_actor_box_get_size (allocation, &actor_width, &actor_height);
clutter_actor_get_position (align->source, &source_x, &source_y);
clutter_actor_get_size (align->source, &source_width, &source_height);
switch (align->align_axis)
{
case CLUTTER_ALIGN_X_AXIS:
allocation->x1 = ((source_width - actor_width) * align->factor)
+ source_x;
allocation->x1 = floorf (allocation->x1 + 0.5);
allocation->x2 = allocation->x1 + actor_width;
break;
case CLUTTER_ALIGN_Y_AXIS:
allocation->y1 = ((source_height - actor_height) * align->factor)
+ source_y;
allocation->y1 = floorf (allocation->y1 + 0.5);
allocation->y2 = allocation->y1 + actor_height;
break;
case CLUTTER_ALIGN_BOTH:
allocation->x1 = ((source_width - actor_width) * align->factor)
+ source_x;
allocation->y1 = ((source_height - actor_height) * align->factor)
+ source_y;
allocation->x1 = floorf (allocation->x1 + 0.5f);
allocation->y1 = floorf (allocation->y1 + 0.5f);
allocation->x2 = allocation->x1 + actor_width;
allocation->y2 = allocation->y1 + actor_height;
break;
default:
g_assert_not_reached ();
break;
}
}
static void
on_box_allocation_changed (ClutterActor *box,
const ClutterActorBox *allocation,
ClutterAllocationFlags flags,
ClutterActor *background)
{
gfloat new_width, new_height;
clutter_actor_box_get_size (allocation, &new_width, &new_height);
clutter_cairo_texture_set_surface_size (CLUTTER_CAIRO_TEXTURE (background),
new_width,
new_height);
update_background (background, &bg_color, new_width, new_height);
}
/**
* st_shadow_helper_paint:
* @helper: a #StShadowHelper
* @actor_box: the bounding box of the shadow
* @paint_opacity: the opacity at which the shadow is painted
*
* Paints the shadow associated with @helper This must only
* be called from the implementation of ClutterActor::paint().
*/
void
st_shadow_helper_paint (StShadowHelper *helper,
ClutterActorBox *actor_box,
guint8 paint_opacity)
{
ClutterActorBox allocation;
float width, height;
clutter_actor_box_get_size (actor_box, &width, &height);
_st_paint_shadow_with_opacity (helper->shadow,
helper->material,
&allocation,
paint_opacity);
}
/* These are needed since the layout manager allocates {0, 0, 0, 0} for
* children it can't lay out.
*/
static void
_paint_foreach_cb (ClutterActor *actor,
gpointer data)
{
ClutterActorBox actor_box;
gfloat w, h;
clutter_actor_get_allocation_box (actor, &actor_box);
clutter_actor_box_get_size (&actor_box, &w, &h);
if (w > 0 && h > 0)
{
clutter_actor_paint (actor);
}
}
void
allocation_changed_cb (ClutterActor *actor,
const ClutterActorBox *allocation,
ClutterAllocationFlags flags,
gpointer user_data)
{
ClutterActor *overlay = CLUTTER_ACTOR (user_data);
gfloat width, height, x, y;
clutter_actor_box_get_size (allocation, &width, &height);
clutter_actor_box_get_origin (allocation, &x, &y);
clutter_actor_set_size (overlay,
width * OVERLAY_FACTOR,
height * OVERLAY_FACTOR);
clutter_actor_set_position (overlay,
x - ((OVERLAY_FACTOR - 1) * width * 0.5),
y - ((OVERLAY_FACTOR - 1) * width * 0.5));
}
static void
empathy_rounded_actor_paint (ClutterActor *actor)
{
EmpathyRoundedActor *self = EMPATHY_ROUNDED_ACTOR (actor);
ClutterActorBox allocation = { 0, };
gfloat width, height;
clutter_actor_get_allocation_box (actor, &allocation);
clutter_actor_box_get_size (&allocation, &width, &height);
cogl_path_new ();
/* create and store a path describing a rounded rectangle */
cogl_path_round_rectangle (0, 0, width, height,
height / self->priv->round_factor, 0.1);
cogl_clip_push_from_path ();
CLUTTER_ACTOR_CLASS (empathy_rounded_actor_parent_class)->paint (actor);
cogl_clip_pop ();
}
static void
gmc_button_allocate (ClutterActor *actor,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
GmcButtonPrivate *priv;
ClutterActorBox *actor_box;
gfloat width, height;
gfloat icon_w_min = 0, icon_h_min = 0, icon_w_nat = 0, icon_h_nat = 0;
gfloat label_w_min = 0, label_h_min = 0, label_w_nat = 0, label_h_nat = 0;
gfloat spacing = 0;
priv = GMC_BUTTON_GET_PRIVATE (actor);
CLUTTER_ACTOR_CLASS (gmc_button_parent_class)->allocate (actor, box, flags);
clutter_actor_box_get_size (box,
&width,
&height);
// TODO if icon_h < label_h, center icon
// if icon_h > label_h, center label
if (priv->icon) {
clutter_actor_get_preferred_width (priv->icon, height, &icon_w_min, &icon_w_nat);
clutter_actor_get_preferred_height (priv->icon, width, &icon_h_min, &icon_h_nat);
actor_box = clutter_actor_box_new (0, 0, icon_w_min, icon_h_min);
clutter_actor_allocate (priv->icon, actor_box, flags);
clutter_actor_box_free (actor_box);
spacing = priv->spacing;
}
if (priv->label) {
clutter_actor_get_preferred_width (priv->label, height, &label_w_min, &label_w_nat);
clutter_actor_get_preferred_height (priv->label, width, &label_h_min, &label_h_nat);
actor_box = clutter_actor_box_new (icon_w_min + spacing, 0, label_w_min, 25);
clutter_actor_allocate (priv->label, actor_box, flags);
clutter_actor_box_free (actor_box);
}
}
static void _clone_paint_cb (ClutterActor *actor) {
ClutterActor *source;
ClutterActorBox box;
CoglHandle material;
gfloat width, height;
guint8 opacity;
CoglColor color_1, color_2;
CoglTextureVertex vertices[4];
/* if we don't have a source actor, don't paint */
source = clutter_clone_get_source (CLUTTER_CLONE (actor));
if (source == NULL)
goto out;
/* if the source texture does not have any content, don't paint */
material = clutter_texture_get_cogl_material (CLUTTER_TEXTURE (source));
if (material == NULL)
goto out;
/* get the size of the reflection */
clutter_actor_get_allocation_box (actor, &box);
clutter_actor_box_get_size (&box, &width, &height);
/* get the composite opacity of the actor */
opacity = clutter_actor_get_paint_opacity (actor);
/* figure out the two colors for the reflection: the first is
* full color and the second is the same, but at 0 opacity
*/
cogl_color_init_from_4f (&color_1, 1.0, 1.0, 1.0, opacity / 255.0);
cogl_color_premultiply (&color_1);
cogl_color_init_from_4f (&color_2, 1.0, 1.0, 1.0, 0.0);
cogl_color_premultiply (&color_2);
/* now describe the four vertices of the quad; since it has
* to be a reflection, we need to invert it as well
*/
vertices[0].x = 0; vertices[0].y = 0; vertices[0].z = 0;
vertices[0].tx = 0.0; vertices[0].ty = 1.0;
vertices[0].color = color_1;
vertices[1].x = width; vertices[1].y = 0; vertices[1].z = 0;
vertices[1].tx = 1.0; vertices[1].ty = 1.0;
vertices[1].color = color_1;
vertices[2].x = width; vertices[2].y = height; vertices[2].z = 0;
vertices[2].tx = 1.0; vertices[2].ty = 0.0;
vertices[2].color = color_2;
vertices[3].x = 0; vertices[3].y = height; vertices[3].z = 0;
vertices[3].tx = 0.0; vertices[3].ty = 0.0;
vertices[3].color = color_2;
/* paint the same texture but with a different geometry */
cogl_set_source (material);
cogl_polygon (vertices, 4, TRUE);
out:
/* prevent the default clone handler from running */
g_signal_stop_emission_by_name (actor, "paint");
}
static void
clutter_flow_layout_allocate (ClutterLayoutManager *manager,
ClutterContainer *container,
const ClutterActorBox *allocation,
ClutterAllocationFlags flags)
{
ClutterFlowLayoutPrivate *priv = CLUTTER_FLOW_LAYOUT (manager)->priv;
ClutterActor *actor, *child;
ClutterActorIter iter;
gfloat x_off, y_off;
gfloat avail_width, avail_height;
gfloat item_x, item_y;
gint line_item_count;
gint items_per_line;
gint line_index;
actor = CLUTTER_ACTOR (container);
if (clutter_actor_get_n_children (actor) == 0)
return;
clutter_actor_box_get_origin (allocation, &x_off, &y_off);
clutter_actor_box_get_size (allocation, &avail_width, &avail_height);
/* blow the cached preferred size and re-compute with the given
* available size in case the FlowLayout wasn't given the exact
* size it requested
*/
if ((priv->req_width >= 0 && avail_width != priv->req_width) ||
(priv->req_height >= 0 && avail_height != priv->req_height))
{
clutter_flow_layout_get_preferred_width (manager, container,
avail_height,
NULL, NULL);
clutter_flow_layout_get_preferred_height (manager, container,
avail_width,
NULL, NULL);
}
items_per_line = compute_lines (CLUTTER_FLOW_LAYOUT (manager),
avail_width, avail_height);
item_x = x_off;
item_y = y_off;
line_item_count = 0;
line_index = 0;
clutter_actor_iter_init (&iter, actor);
while (clutter_actor_iter_next (&iter, &child))
{
ClutterActorBox child_alloc;
gfloat item_width, item_height;
gfloat new_x, new_y;
gfloat child_min, child_natural;
if (!CLUTTER_ACTOR_IS_VISIBLE (child))
continue;
new_x = new_y = 0;
if (!priv->snap_to_grid)
clutter_actor_get_preferred_size (child,
NULL, NULL,
&item_width,
&item_height);
if (priv->orientation == CLUTTER_FLOW_HORIZONTAL)
{
if ((priv->snap_to_grid &&
line_item_count == items_per_line && line_item_count > 0) ||
(!priv->snap_to_grid && item_x + item_width > avail_width))
{
item_y += g_array_index (priv->line_natural,
gfloat,
line_index);
if (line_index >= 0)
item_y += priv->row_spacing;
line_item_count = 0;
line_index += 1;
item_x = x_off;
}
if (priv->snap_to_grid)
{
new_x = x_off + ((line_item_count + 1) * (avail_width + priv->col_spacing))
/ items_per_line;
item_width = new_x - item_x - priv->col_spacing;
}
else
{
new_x = item_x + item_width + priv->col_spacing;
}
item_height = g_array_index (priv->line_natural,
gfloat,
line_index);
}
else
{
if ((priv->snap_to_grid &&
line_item_count == items_per_line && line_item_count > 0) ||
(!priv->snap_to_grid && item_y + item_height > avail_height))
{
item_x += g_array_index (priv->line_natural,
gfloat,
line_index);
if (line_index >= 0)
item_x += priv->col_spacing;
line_item_count = 0;
line_index += 1;
item_y = y_off;
}
if (priv->snap_to_grid)
{
new_y = y_off + ((line_item_count + 1) * (avail_height + priv->row_spacing))
/ items_per_line;
item_height = new_y - item_y - priv->row_spacing;
}
else
{
new_y = item_y + item_height + priv->row_spacing;
}
item_width = g_array_index (priv->line_natural,
gfloat,
line_index);
}
if (!priv->is_homogeneous &&
!clutter_actor_needs_expand (child,
CLUTTER_ORIENTATION_HORIZONTAL))
{
clutter_actor_get_preferred_width (child, item_height,
&child_min,
&child_natural);
item_width = MIN (item_width, child_natural);
}
if (!priv->is_homogeneous &&
!clutter_actor_needs_expand (child,
CLUTTER_ORIENTATION_VERTICAL))
{
clutter_actor_get_preferred_height (child, item_width,
&child_min,
&child_natural);
item_height = MIN (item_height, child_natural);
}
CLUTTER_NOTE (LAYOUT,
"flow[line:%d, item:%d/%d] ="
"{ %.2f, %.2f, %.2f, %.2f }",
line_index, line_item_count + 1, items_per_line,
item_x, item_y, item_width, item_height);
child_alloc.x1 = ceil (item_x);
child_alloc.y1 = ceil (item_y);
child_alloc.x2 = ceil (child_alloc.x1 + item_width);
child_alloc.y2 = ceil (child_alloc.y1 + item_height);
clutter_actor_allocate (child, &child_alloc, flags);
if (priv->orientation == CLUTTER_FLOW_HORIZONTAL)
item_x = new_x;
else
item_y = new_y;
line_item_count += 1;
}
}
static void
clutter_bin_layout_allocate (ClutterLayoutManager *manager,
ClutterContainer *container,
const ClutterActorBox *allocation,
ClutterAllocationFlags flags)
{
gfloat allocation_x, allocation_y;
gfloat available_w, available_h;
ClutterActor *actor, *child;
ClutterActorIter iter;
clutter_actor_box_get_origin (allocation, &allocation_x, &allocation_y);
clutter_actor_box_get_size (allocation, &available_w, &available_h);
actor = CLUTTER_ACTOR (container);
clutter_actor_iter_init (&iter, actor);
while (clutter_actor_iter_next (&iter, &child))
{
ClutterLayoutMeta *meta;
ClutterBinLayer *layer;
ClutterActorBox child_alloc = { 0, };
gdouble x_align, y_align;
gboolean x_fill, y_fill, is_fixed_position_set;
float fixed_x, fixed_y;
if (!clutter_actor_is_visible (child))
continue;
meta = clutter_layout_manager_get_child_meta (manager,
container,
child);
layer = CLUTTER_BIN_LAYER (meta);
fixed_x = fixed_y = 0.f;
g_object_get (child,
"fixed-position-set", &is_fixed_position_set,
"fixed-x", &fixed_x,
"fixed-y", &fixed_y,
NULL);
/* XXX:2.0 - remove the FIXED alignment, and just use the fixed position
* of the actor if one is set
*/
if (is_fixed_position_set ||
layer->x_align == CLUTTER_BIN_ALIGNMENT_FIXED)
{
if (is_fixed_position_set)
child_alloc.x1 = fixed_x;
else
child_alloc.x1 = clutter_actor_get_x (child);
}
else
child_alloc.x1 = allocation_x;
if (is_fixed_position_set ||
layer->y_align == CLUTTER_BIN_ALIGNMENT_FIXED)
{
if (is_fixed_position_set)
child_alloc.y1 = fixed_y;
else
child_alloc.y1 = clutter_actor_get_y (child);
}
else
child_alloc.y1 = allocation_y;
child_alloc.x2 = allocation_x + available_w;
child_alloc.y2 = allocation_y + available_h;
if (clutter_actor_needs_expand (child, CLUTTER_ORIENTATION_HORIZONTAL))
{
ClutterActorAlign align;
align = clutter_actor_get_x_align (child);
x_fill = align == CLUTTER_ACTOR_ALIGN_FILL;
x_align = get_actor_align_factor (align);
}
else
{
ClutterTextDirection text_dir;
x_fill = (layer->x_align == CLUTTER_BIN_ALIGNMENT_FILL);
text_dir = clutter_actor_get_text_direction (child);
if (!is_fixed_position_set)
x_align = get_bin_alignment_factor (layer->x_align, text_dir);
else
x_align = 0.0;
}
if (clutter_actor_needs_expand (child, CLUTTER_ORIENTATION_VERTICAL))
{
ClutterActorAlign align;
align = clutter_actor_get_y_align (child);
y_fill = align == CLUTTER_ACTOR_ALIGN_FILL;
y_align = get_actor_align_factor (align);
}
else
{
y_fill = (layer->y_align == CLUTTER_BIN_ALIGNMENT_FILL);
if (!is_fixed_position_set)
y_align = get_bin_alignment_factor (layer->y_align,
CLUTTER_TEXT_DIRECTION_LTR);
else
y_align = 0.0;
}
clutter_actor_allocate_align_fill (child, &child_alloc,
x_align, y_align,
x_fill, y_fill,
flags);
}
}
static void
clutter_bin_layout_allocate (ClutterLayoutManager *manager,
ClutterContainer *container,
const ClutterActorBox *allocation,
ClutterAllocationFlags flags)
{
gfloat allocation_x, allocation_y;
gfloat available_w, available_h;
ClutterActor *actor, *child;
ClutterActorIter iter;
gboolean use_animations;
ClutterAnimationMode easing_mode;
guint easing_duration, easing_delay;
clutter_actor_box_get_origin (allocation, &allocation_x, &allocation_y);
clutter_actor_box_get_size (allocation, &available_w, &available_h);
actor = CLUTTER_ACTOR (container);
use_animations = clutter_layout_manager_get_easing_state (manager,
&easing_mode,
&easing_duration,
&easing_delay);
clutter_actor_iter_init (&iter, actor);
while (clutter_actor_iter_next (&iter, &child))
{
ClutterLayoutMeta *meta;
ClutterBinLayer *layer;
ClutterActorBox child_alloc = { 0, };
gdouble x_align, y_align;
gboolean x_fill, y_fill;
meta = clutter_layout_manager_get_child_meta (manager,
container,
child);
layer = CLUTTER_BIN_LAYER (meta);
if (layer->x_align == CLUTTER_BIN_ALIGNMENT_FIXED)
child_alloc.x1 = clutter_actor_get_x (child);
else
child_alloc.x1 = allocation_x;
if (layer->y_align == CLUTTER_BIN_ALIGNMENT_FIXED)
child_alloc.y1 = clutter_actor_get_y (child);
else
child_alloc.y1 = allocation_y;
child_alloc.x2 = available_w;
child_alloc.y2 = available_h;
if (clutter_actor_needs_expand (child, CLUTTER_ORIENTATION_HORIZONTAL))
{
ClutterActorAlign align;
align = _clutter_actor_get_effective_x_align (child);
x_fill = align == CLUTTER_ACTOR_ALIGN_FILL;
x_align = get_actor_align_factor (align);
}
else
{
x_fill = (layer->x_align == CLUTTER_BIN_ALIGNMENT_FILL);
x_align = get_bin_alignment_factor (layer->x_align);
}
if (clutter_actor_needs_expand (child, CLUTTER_ORIENTATION_VERTICAL))
{
ClutterActorAlign align;
align = clutter_actor_get_y_align (child);
y_fill = align == CLUTTER_ACTOR_ALIGN_FILL;
y_align = get_actor_align_factor (align);
}
else
{
y_fill = (layer->y_align == CLUTTER_BIN_ALIGNMENT_FILL);
y_align = get_bin_alignment_factor (layer->y_align);
}
if (use_animations)
{
clutter_actor_save_easing_state (child);
clutter_actor_set_easing_mode (child, easing_mode);
clutter_actor_set_easing_duration (child, easing_duration);
clutter_actor_set_easing_delay (child, easing_delay);
}
clutter_actor_allocate_align_fill (child, &child_alloc,
x_align, y_align,
x_fill, y_fill,
flags);
if (use_animations)
clutter_actor_restore_easing_state (child);
}
}
CoglPipeline *
_st_create_shadow_pipeline_from_actor (StShadow *shadow_spec,
ClutterActor *actor)
{
CoglPipeline *shadow_pipeline = NULL;
if (CLUTTER_IS_TEXTURE (actor))
{
CoglTexture *texture;
texture = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (actor));
shadow_pipeline = _st_create_shadow_pipeline (shadow_spec, texture);
}
else
{
CoglTexture *buffer;
CoglOffscreen *offscreen;
CoglFramebuffer *fb;
ClutterActorBox box;
CoglColor clear_color;
float width, height;
CoglError *catch_error = NULL;
clutter_actor_get_allocation_box (actor, &box);
clutter_actor_box_get_size (&box, &width, &height);
if (width == 0 || height == 0)
return NULL;
buffer = cogl_texture_new_with_size (width,
height,
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_ANY);
if (buffer == NULL)
return NULL;
offscreen = cogl_offscreen_new_with_texture (buffer);
fb = COGL_FRAMEBUFFER (offscreen);
if (!cogl_framebuffer_allocate (fb, &catch_error))
{
cogl_error_free (catch_error);
cogl_object_unref (buffer);
return NULL;
}
cogl_color_init_from_4ub (&clear_color, 0, 0, 0, 0);
/* XXX: There's no way to render a ClutterActor to an offscreen
* as it uses the implicit API. */
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
cogl_push_framebuffer (fb);
G_GNUC_END_IGNORE_DEPRECATIONS;
cogl_framebuffer_clear (fb, COGL_BUFFER_BIT_COLOR, &clear_color);
cogl_framebuffer_translate (fb, -box.x1, -box.y1, 0);
cogl_framebuffer_orthographic (fb, 0, 0, width, height, 0, 1.0);
clutter_actor_set_opacity_override (actor, 255);
clutter_actor_paint (actor);
clutter_actor_set_opacity_override (actor, -1);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
cogl_pop_framebuffer ();
G_GNUC_END_IGNORE_DEPRECATIONS;
cogl_object_unref (fb);
shadow_pipeline = _st_create_shadow_pipeline (shadow_spec, buffer);
cogl_object_unref (buffer);
}
return shadow_pipeline;
}
static void
clutter_snap_constraint_update_allocation (ClutterConstraint *constraint,
ClutterActor *actor,
ClutterActorBox *allocation)
{
ClutterSnapConstraint *self = CLUTTER_SNAP_CONSTRAINT (constraint);
gfloat source_width, source_height;
gfloat source_x, source_y;
gfloat actor_width, actor_height;
if (self->source == NULL)
return;
clutter_actor_get_position (self->source, &source_x, &source_y);
clutter_actor_get_size (self->source, &source_width, &source_height);
clutter_actor_box_get_size (allocation, &actor_width, &actor_height);
switch (self->to_edge)
{
case CLUTTER_SNAP_EDGE_LEFT:
if (self->from_edge == CLUTTER_SNAP_EDGE_LEFT)
allocation->x1 = source_x + self->offset;
else if (self->from_edge == CLUTTER_SNAP_EDGE_RIGHT)
allocation->x2 = source_x + self->offset;
else
warn_horizontal_edge ("left", self->actor, self->source);
break;
case CLUTTER_SNAP_EDGE_RIGHT:
if (self->from_edge == CLUTTER_SNAP_EDGE_RIGHT)
allocation->x2 = source_x + source_width + self->offset;
else if (self->from_edge == CLUTTER_SNAP_EDGE_LEFT)
allocation->x1 = source_x + source_width + self->offset;
else
warn_horizontal_edge ("right", self->actor, self->source);
break;
break;
case CLUTTER_SNAP_EDGE_TOP:
if (self->from_edge == CLUTTER_SNAP_EDGE_TOP)
allocation->y1 = source_y + self->offset;
else if (self->from_edge == CLUTTER_SNAP_EDGE_BOTTOM)
allocation->y2 = source_y + self->offset;
else
warn_vertical_edge ("top", self->actor, self->source);
break;
case CLUTTER_SNAP_EDGE_BOTTOM:
if (self->from_edge == CLUTTER_SNAP_EDGE_BOTTOM)
allocation->y2 = source_y + source_height + self->offset;
else if (self->from_edge == CLUTTER_SNAP_EDGE_TOP)
allocation->y1 = source_y + source_height + self->offset;
else
warn_vertical_edge ("bottom", self->actor, self->source);
break;
default:
g_assert_not_reached ();
break;
}
if (allocation->x2 - allocation->x1 < 0)
allocation->x2 = allocation->x1;
if (allocation->y2 - allocation->y1 < 0)
allocation->y2 = allocation->y1;
}
static void
clutter_flow_layout_allocate (ClutterLayoutManager *manager,
ClutterContainer *container,
const ClutterActorBox *allocation,
ClutterAllocationFlags flags)
{
ClutterFlowLayoutPrivate *priv = CLUTTER_FLOW_LAYOUT (manager)->priv;
GList *l, *children = clutter_container_get_children (container);
gfloat avail_width, avail_height;
gfloat item_x, item_y;
gint line_item_count;
gint items_per_line;
gint line_index;
if (children == NULL)
return;
clutter_actor_box_get_size (allocation, &avail_width, &avail_height);
items_per_line = compute_lines (CLUTTER_FLOW_LAYOUT (manager),
avail_width, avail_height);
item_x = item_y = 0;
line_item_count = 0;
line_index = 0;
for (l = children; l != NULL; l = l->next)
{
ClutterActor *child = l->data;
ClutterActorBox child_alloc;
gfloat item_width, item_height;
gfloat new_x, new_y;
if (!CLUTTER_ACTOR_IS_VISIBLE (child))
continue;
new_x = new_y = 0;
if (priv->orientation == CLUTTER_FLOW_HORIZONTAL)
{
if (line_item_count == items_per_line && line_item_count > 0)
{
item_y += g_array_index (priv->line_natural,
gfloat,
line_index);
if (line_index >= 0)
item_y += priv->row_spacing;
line_item_count = 0;
line_index += 1;
item_x = 0;
}
new_x = ((line_item_count + 1) * (avail_width + priv->col_spacing))
/ items_per_line;
item_width = new_x - item_x - priv->col_spacing;
item_height = g_array_index (priv->line_natural,
gfloat,
line_index);
if (!priv->is_homogeneous)
{
gfloat child_min, child_natural;
clutter_actor_get_preferred_width (child, item_height,
&child_min,
&child_natural);
item_width = MIN (item_width, child_natural);
clutter_actor_get_preferred_height (child, item_width,
&child_min,
&child_natural);
item_height = MIN (item_height, child_natural);
}
}
else
{
if (line_item_count == items_per_line && line_item_count > 0)
{
item_x += g_array_index (priv->line_natural,
gfloat,
line_index);
if (line_index >= 0)
item_x += priv->col_spacing;
line_item_count = 0;
line_index += 1;
item_y = 0;
}
new_y = ((line_item_count + 1) * (avail_height + priv->row_spacing))
/ items_per_line;
item_height = new_y - item_y - priv->row_spacing;
item_width = g_array_index (priv->line_natural,
gfloat,
line_index);
if (!priv->is_homogeneous)
{
gfloat child_min, child_natural;
clutter_actor_get_preferred_width (child, item_height,
&child_min,
&child_natural);
item_width = MIN (item_width, child_natural);
clutter_actor_get_preferred_height (child, item_width,
&child_min,
&child_natural);
item_height = MIN (item_height, child_natural);
}
}
CLUTTER_NOTE (LAYOUT,
"flow[line:%d, item:%d/%d] ="
"{ %.2f, %.2f, %.2f, %.2f }",
line_index, line_item_count + 1, items_per_line,
item_x, item_y, item_width, item_height);
child_alloc.x1 = ceil (item_x);
child_alloc.y1 = ceil (item_y);
child_alloc.x2 = ceil (child_alloc.x1 + item_width);
child_alloc.y2 = ceil (child_alloc.y1 + item_height);
clutter_actor_allocate (child, &child_alloc, flags);
if (priv->orientation == CLUTTER_FLOW_HORIZONTAL)
item_x = new_x;
else
item_y = new_y;
line_item_count += 1;
}
g_list_free (children);
}
static gboolean
cd_icc_effect_pre_paint (ClutterEffect *effect)
{
CdIccEffect *self = CD_ICC_EFFECT (effect);
ClutterEffectClass *parent_class;
ClutterActorBox allocation;
gfloat width, height;
if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (effect)))
return FALSE;
self->actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (effect));
if (self->actor == NULL)
return FALSE;
if (!clutter_feature_available (CLUTTER_FEATURE_SHADERS_GLSL))
{
/* if we don't have support for GLSL shaders then we
* forcibly disable the ActorMeta
*/
g_warning ("Unable to use the ShaderEffect: the graphics hardware "
"or the current GL driver does not implement support "
"for the GLSL shading language.");
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (effect), FALSE);
return FALSE;
}
clutter_actor_get_allocation_box (self->actor, &allocation);
clutter_actor_box_get_size (&allocation, &width, &height);
if (self->shader == COGL_INVALID_HANDLE)
{
self->shader = cogl_create_shader (COGL_SHADER_TYPE_FRAGMENT);
cogl_shader_source (self->shader, glsl_shader);
self->is_compiled = FALSE;
self->main_texture_uniform = -1;
self->indirect_texture_uniform = -1;
self->color_data1_uniform = -1;
self->color_data2_uniform = -1;
}
if (self->program == COGL_INVALID_HANDLE)
self->program = cogl_create_program ();
if (!self->is_compiled)
{
g_assert (self->shader != COGL_INVALID_HANDLE);
g_assert (self->program != COGL_INVALID_HANDLE);
cogl_shader_compile (self->shader);
if (!cogl_shader_is_compiled (self->shader))
{
gchar *log_buf = cogl_shader_get_info_log (self->shader);
g_warning (G_STRLOC ": Unable to compile the icc shader: %s",
log_buf);
g_free (log_buf);
cogl_handle_unref (self->shader);
cogl_handle_unref (self->program);
self->shader = COGL_INVALID_HANDLE;
self->program = COGL_INVALID_HANDLE;
}
else
{
cogl_program_attach_shader (self->program, self->shader);
cogl_program_link (self->program);
cogl_handle_unref (self->shader);
self->is_compiled = TRUE;
self->main_texture_uniform =
cogl_program_get_uniform_location (self->program, "main_texture");
self->indirect_texture_uniform =
cogl_program_get_uniform_location (self->program, "indirect_texture");
self->color_data1_uniform =
cogl_program_get_uniform_location (self->program, "color_data1");
self->color_data2_uniform =
cogl_program_get_uniform_location (self->program, "color_data2");
}
}
parent_class = CLUTTER_EFFECT_CLASS (cd_icc_effect_parent_class);
return parent_class->pre_paint (effect);
}
