static void
_adg_arrange(AdgEntity *entity)
{
AdgStroke *stroke;
AdgStrokePrivate *data;
const CpmlExtents *trail_extents;
CpmlExtents extents;
/* Check for cached result */
if (adg_entity_get_extents(entity)->is_defined)
return;
stroke = (AdgStroke *) entity;
data = stroke->data;
trail_extents = adg_trail_get_extents(data->trail);
/* Ensure a trail is bound to this entity */
if (trail_extents == NULL)
return;
cpml_extents_copy(&extents, trail_extents);
cpml_extents_transform(&extents, adg_entity_get_local_matrix(entity));
cpml_extents_transform(&extents, adg_entity_get_global_matrix(entity));
adg_entity_set_extents(entity, &extents);
}
static gboolean
_adg_get_map(GtkWidget *widget, gboolean local_space,
cairo_matrix_t *map, cairo_matrix_t *inverted)
{
AdgGtkAreaPrivate *data;
AdgEntity *entity;
data = ((AdgGtkArea *) widget)->data;
entity = (AdgEntity *) data->canvas;
if (entity == NULL)
return FALSE;
if (local_space) {
adg_matrix_copy(map, adg_entity_get_local_map(entity));
/* The inverted map is subject to the global matrix */
adg_matrix_copy(inverted, adg_entity_get_global_matrix(entity));
adg_matrix_transform(inverted, map, ADG_TRANSFORM_BEFORE);
} else {
adg_matrix_copy(map, adg_entity_get_global_map(entity));
adg_matrix_copy(inverted, map);
}
return cairo_matrix_invert(inverted) == CAIRO_STATUS_SUCCESS;
}
static void
_adg_render(AdgEntity *entity, cairo_t *cr)
{
AdgLogoClassPrivate *data_class = ADG_LOGO_GET_CLASS(entity)->data_class;
AdgLogoPrivate *data = adg_logo_get_instance_private((AdgLogo *) entity);
const cairo_path_t *cairo_path;
cairo_transform(cr, adg_entity_get_global_matrix(entity));
cairo_set_line_cap(cr, CAIRO_LINE_CAP_ROUND);
cairo_path = adg_trail_get_cairo_path((AdgTrail *) data_class->symbol);
if (cairo_path != NULL) {
cairo_save(cr);
cairo_transform(cr, adg_entity_get_local_matrix(entity));
cairo_append_path(cr, cairo_path);
cairo_restore(cr);
cairo_set_line_width(cr, 3);
adg_entity_apply_dress(entity, data->symbol_dress, cr);
cairo_stroke(cr);
}
cairo_path = adg_trail_get_cairo_path((AdgTrail *) data_class->screen);
if (cairo_path != NULL) {
cairo_save(cr);
cairo_transform(cr, adg_entity_get_local_matrix(entity));
cairo_append_path(cr, cairo_path);
cairo_restore(cr);
cairo_set_line_width(cr, 2);
adg_entity_apply_dress(entity, data->screen_dress, cr);
cairo_stroke(cr);
}
cairo_path = adg_trail_get_cairo_path((AdgTrail *) data_class->frame);
if (cairo_path != NULL) {
cairo_save(cr);
cairo_transform(cr, adg_entity_get_local_matrix(entity));
cairo_append_path(cr, cairo_path);
cairo_restore(cr);
cairo_set_line_width(cr, 2);
cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
adg_entity_apply_dress(entity, data->frame_dress, cr);
cairo_stroke(cr);
}
}
static void
_adg_arrange(AdgEntity *entity)
{
AdgProjectionPrivate *data = adg_projection_get_instance_private((AdgProjection *) entity);
AdgProjectionClass *projection_class = ADG_PROJECTION_GET_CLASS(entity);
AdgProjectionClassPrivate *data_class = projection_class->data_class;
CpmlExtents extents;
_adg_arrange_class(projection_class, data->scheme);
cpml_extents_copy(&extents, &data_class->extents);
cpml_extents_transform(&extents, adg_entity_get_local_matrix(entity));
cpml_extents_transform(&extents, adg_entity_get_global_matrix(entity));
adg_entity_set_extents(entity, &extents);
}
static void
_adg_arrange(AdgEntity *entity)
{
AdgLogoClass *logo_class;
AdgLogoClassPrivate *data_class;
CpmlExtents extents;
logo_class = ADG_LOGO_GET_CLASS(entity);
data_class = logo_class->data_class;
_adg_arrange_class(logo_class);
cpml_extents_copy(&extents, &data_class->extents);
cpml_extents_transform(&extents, adg_entity_get_local_matrix(entity));
cpml_extents_transform(&extents, adg_entity_get_global_matrix(entity));
adg_entity_set_extents(entity, &extents);
}
static void
_adg_render(AdgEntity *entity, cairo_t *cr)
{
AdgProjectionPrivate *data = adg_projection_get_instance_private((AdgProjection *) entity);
AdgProjectionClassPrivate *data_class = ADG_PROJECTION_GET_CLASS(entity)->data_class;
const cairo_path_t *cairo_path;
cairo_transform(cr, adg_entity_get_global_matrix(entity));
if (data_class->symbol != NULL) {
cairo_path = adg_trail_get_cairo_path((AdgTrail *) data_class->symbol);
cairo_save(cr);
cairo_transform(cr, adg_entity_get_local_matrix(entity));
cairo_append_path(cr, cairo_path);
cairo_restore(cr);
cairo_set_line_width(cr, 2);
adg_entity_apply_dress(entity, data->symbol_dress, cr);
cairo_stroke(cr);
}
if (data_class->axis != NULL) {
const gdouble dashes[] = { 5, 2, 1, 2 };
cairo_path = adg_trail_get_cairo_path((AdgTrail *) data_class->axis);
cairo_save(cr);
cairo_transform(cr, adg_entity_get_local_matrix(entity));
cairo_append_path(cr, cairo_path);
cairo_restore(cr);
cairo_set_line_width(cr, 1);
cairo_set_dash(cr, dashes, G_N_ELEMENTS(dashes), -1.5);
adg_entity_apply_dress(entity, data->axis_dress, cr);
cairo_stroke(cr);
}
}
static void
_adg_render(AdgEntity *entity, cairo_t *cr)
{
AdgStroke *stroke;
AdgStrokePrivate *data;
const cairo_path_t *cairo_path;
stroke = (AdgStroke *) entity;
data = stroke->data;
cairo_path = adg_trail_get_cairo_path(data->trail);
if (cairo_path != NULL) {
cairo_transform(cr, adg_entity_get_global_matrix(entity));
cairo_save(cr);
cairo_transform(cr, adg_entity_get_local_matrix(entity));
cairo_append_path(cr, cairo_path);
cairo_restore(cr);
adg_entity_apply_dress(entity, data->line_dress, cr);
cairo_stroke(cr);
}
}
static void
_adg_render(AdgEntity *entity, cairo_t *cr)
{
AdgADim *adim;
AdgDim *dim;
AdgADimPrivate *data;
AdgDimStyle *dim_style;
AdgDress dress;
const cairo_path_t *cairo_path;
adim = (AdgADim *) entity;
data = adim->data;
if (!data->geometry_arranged) {
/* Entity not arranged, probably due to undefined pair found */
return;
}
dim = (AdgDim *) entity;
dim_style = _ADG_GET_DIM_STYLE(dim);
adg_style_apply((AdgStyle *) dim_style, entity, cr);
adg_entity_render((AdgEntity *) adg_dim_get_quote(dim), cr);
if (data->marker1 != NULL)
adg_entity_render((AdgEntity *) data->marker1, cr);
if (data->marker2 != NULL)
adg_entity_render((AdgEntity *) data->marker2, cr);
cairo_transform(cr, adg_entity_get_global_matrix(entity));
dress = adg_dim_style_get_line_dress(dim_style);
adg_entity_apply_dress(entity, dress, cr);
cairo_path = adg_trail_get_cairo_path(data->trail);
cairo_append_path(cr, cairo_path);
cairo_stroke(cr);
}
static void
_adg_arrange(AdgEntity *entity)
{
AdgADim *adim;
AdgDim *dim;
AdgADimPrivate *data;
AdgAlignment *quote;
const cairo_matrix_t *global, *local;
CpmlPair ref1, ref2, base1, base12, base2;
CpmlPair pair;
CpmlExtents extents;
AdgEntity *marker_entity;
if (_ADG_OLD_ENTITY_CLASS->arrange)
_ADG_OLD_ENTITY_CLASS->arrange(entity);
adim = (AdgADim *) entity;
if (! _adg_update_geometry(adim))
return;
dim = (AdgDim *) adim;
data = adim->data;
quote = adg_dim_get_quote(dim);
_adg_update_entities(adim);
if (data->cairo.path.status == CAIRO_STATUS_SUCCESS) {
AdgEntity *quote_entity = (AdgEntity *) quote;
adg_entity_set_global_map(quote_entity, &data->quote.global_map);
return;
}
global = adg_entity_get_global_matrix(entity);
local = adg_entity_get_local_matrix(entity);
extents.is_defined = FALSE;
cpml_pair_copy(&ref1, (CpmlPair *) adg_dim_get_ref1(dim));
cpml_pair_copy(&ref2, (CpmlPair *) adg_dim_get_ref2(dim));
cpml_pair_copy(&base1, &data->point.base1);
cpml_pair_copy(&base12, &data->point.base12);
cpml_pair_copy(&base2, &data->point.base2);
/* Apply the local matrix to the relevant points */
cpml_pair_transform(&ref1, local);
cpml_pair_transform(&ref2, local);
cpml_pair_transform(&base1, local);
cpml_pair_transform(&base12, local);
cpml_pair_transform(&base2, local);
/* Combine points and global shifts to build the path */
pair.x = ref1.x + data->shift.from1.x;
pair.y = ref1.y + data->shift.from1.y;
cpml_pair_to_cairo(&pair, &data->cairo.data[6]);
pair.x = base1.x + data->shift.base1.x;
pair.y = base1.y + data->shift.base1.y;
cpml_pair_to_cairo(&pair, &data->cairo.data[1]);
pair.x += data->shift.to1.x;
pair.y += data->shift.to1.y;
cpml_pair_to_cairo(&pair, &data->cairo.data[8]);
pair.x = base12.x + data->shift.base12.x;
pair.y = base12.y + data->shift.base12.y;
cpml_pair_to_cairo(&pair, &data->cairo.data[3]);
pair.x = ref2.x + data->shift.from2.x;
pair.y = ref2.y + data->shift.from2.y;
cpml_pair_to_cairo(&pair, &data->cairo.data[10]);
pair.x = base2.x + data->shift.base2.x;
pair.y = base2.y + data->shift.base2.y;
cpml_pair_to_cairo(&pair, &data->cairo.data[4]);
pair.x += data->shift.to2.x;
pair.y += data->shift.to2.y;
cpml_pair_to_cairo(&pair, &data->cairo.data[12]);
/* Play with header lengths to show or hide the extension lines */
if (data->has_extension1) {
data->cairo.data[7].header.length = data->has_extension2 ? 2 : 6;
} else {
data->cairo.data[2].header.length = data->has_extension2 ? 7 : 11;
}
data->cairo.path.status = CAIRO_STATUS_SUCCESS;
/* Arrange the quote */
if (quote != NULL) {
AdgEntity *quote_entity;
gdouble angle;
cairo_matrix_t map;
quote_entity = (AdgEntity *) quote;
angle = adg_dim_quote_angle(dim, (data->angle1 + data->angle2) / 2 + G_PI_2);
cpml_pair_from_cairo(&pair, &data->cairo.data[3]);
adg_alignment_set_factor_explicit(quote, 0.5, 0);
cairo_matrix_init_translate(&map, pair.x, pair.y);
cairo_matrix_rotate(&map, angle);
adg_entity_set_global_map(quote_entity, &map);
adg_entity_arrange(quote_entity);
cpml_extents_add(&extents, adg_entity_get_extents(quote_entity));
adg_matrix_copy(&data->quote.global_map, &map);
}
/* Arrange the trail */
if (data->trail != NULL) {
CpmlExtents trail_extents;
cpml_extents_copy(&trail_extents, adg_trail_get_extents(data->trail));
cpml_extents_transform(&trail_extents, global);
cpml_extents_add(&extents, &trail_extents);
} else {
_adg_dispose_markers(adim);
}
/* Arrange the markers */
if (data->marker1 != NULL) {
marker_entity = (AdgEntity *) data->marker1;
adg_marker_set_segment(data->marker1, data->trail, 1);
adg_entity_local_changed(marker_entity);
adg_entity_arrange(marker_entity);
cpml_extents_add(&extents, adg_entity_get_extents(marker_entity));
}
if (data->marker2 != NULL) {
marker_entity = (AdgEntity *) data->marker2;
adg_marker_set_segment(data->marker2, data->trail, 1);
adg_entity_local_changed(marker_entity);
adg_entity_arrange(marker_entity);
cpml_extents_add(&extents, adg_entity_get_extents(marker_entity));
}
adg_entity_set_extents(entity, &extents);
}
