void opacity_map_editor::paintEvent(QPaintEvent* paint_event)
{
// paint the frame
QFrame::paintEvent(paint_event);
QPainter painter(this);
// fill background with gradient
QLinearGradient gradient(0, 0, 0, 0);
switch (_orientation) {
case horizontal:
gradient.setFinalStop(this->contentsRect().width(), 0);
break;
case vertical:
gradient.setStart(0, this->contentsRect().height());
break;
}
gradient.setColorAt(0.0, Qt::gray);
gradient.setColorAt(1.0, Qt::white);
QBrush brush(gradient);
brush.setStyle(Qt::LinearGradientPattern);
painter.fillRect(this->contentsRect(), brush);
// draw polyline
painter.setRenderHint(QPainter::Antialiasing);
painter.setPen(_line_pen);
painter.drawPolyline(_polyline.get(), static_cast<unsigned>(_polyline_len));
// draw line edit anchors
for (anchor_container::iterator anchor = _anchors.begin(); anchor != _anchors.end(); ++anchor) {
if (anchor != _selected_anchor) {
painter.setPen(_anchor_pen);
painter.setBrush(_anchor_brush);
painter.drawEllipse(bounding_rect(anchor->point(), _anchor_point_size));
}
}
if (_selected_anchor != _anchors.end()) {
painter.setPen(_anchor_highlight_pen);
painter.setBrush(_anchor_highlight_brush);
painter.drawEllipse(bounding_rect(_selected_anchor->point(), _anchor_point_size));
}
}
//inner functions
static ps_rect _path_bounding_rect(const graphic_path& path)
{
ps_rect r = {1, 1, 0, 0};
scalar x1 = 1, y1 = 1, x2 = 0 ,y2 = 0;
if (bounding_rect(const_cast<graphic_path&>(path), 0, &x1, &y1, &x2, &y2)) {
r.x = x1; r.y = y1; r.w = x2-x1; r.h = y2-y1;
}
return r;
}
bool Cinder2DInteractItem::detect_click_selection(ci::app::MouseEvent mouse_event) {
if (!detect_selection_)
return false;
Rect bounds = bounding_rect();
bounds *= scale().x;
bounds += ci::Vec2f(position().x, position().y);
if (bounds.isInside(ci::Vec2f(mouse_event.getX(), mouse_event.getY()))) {
activate(Client::user_identity());
return true;
}
return false;
}
void scale(double w, double h)
{
m_affine.reset();
double x1, y1, x2, y2;
bounding_rect(m_path, *this, 0, m_styles.size(),
&x1, &y1, &x2, &y2);
if(x1 < x2 && y1 < y2)
{
trans_viewport vp;
vp.preserve_aspect_ratio(0.5, 0.5, aspect_ratio_meet);
vp.world_viewport(x1, y1, x2, y2);
vp.device_viewport(0, 0, w, h);
m_affine = vp.to_affine();
}
m_curve.approximation_scale(m_affine.scale());
}
void widget::process_event(const event& ev)
{
switch (ev.type)
{
case event::mouse_move_abs:
{
bool inside (point_in_rectangle(ev.xy, bounding_rect()));
if (inside != mouse_inside_flag_)
{
if (inside)
on_mouse_enter();
else
on_mouse_leave();
mouse_inside_flag_ = inside;
}
}
break;
default:
;
}
}
Rectf FontProvider_Vector::get_bounding_box(const std::string &reference_string)
{
Rectf bounding_rect(100000.0f, 100000.0f, -100000.0f, -100000.0f);
for( unsigned int i=0; i<reference_string.length(); i++ )
{
store_in_char_cache(reference_string[i]);
std::vector<Vec2f> &primitives_array = char_cache[reference_string[i]].primitives_array;
for (unsigned int cnt=0; cnt< primitives_array.size(); cnt++)
{
clan::Vec2f pos = primitives_array[cnt];
bounding_rect.left = clan::min(bounding_rect.left, pos.x);
bounding_rect.top = clan::min(bounding_rect.top, pos.y);
bounding_rect.right = clan::max(bounding_rect.right, pos.x);
bounding_rect.bottom = clan::max(bounding_rect.bottom, pos.y);
}
}
if (bounding_rect.left > bounding_rect.right)
return Rectf();
return bounding_rect;
}
void
MainWindow::on_actionRecenter_triggered()
{
this->graphicsView->setSceneRect(bounding_rect());
this->graphicsView->fitInView(bounding_rect(), Qt::KeepAspectRatio);
}
void opacity_map_editor::mousePressEvent(QMouseEvent* mouse_event)
{
if (_transfer_function) {
anchor_container::iterator hit_existing_anchor = _anchors.end();
for (anchor_container::iterator i = _anchors.begin(); i != _anchors.end() && hit_existing_anchor == _anchors.end(); ++i) {
QPainterPath painter_path;
painter_path.addEllipse(bounding_rect(i->point(), _anchor_point_size));
if (painter_path.contains(mouse_event->pos())) {
hit_existing_anchor = i;
}
}
if (mouse_event->button() == Qt::LeftButton) {
if (hit_existing_anchor != _anchors.end()) {
_active_anchor = hit_existing_anchor;
}
else {
QPointF new_point;
opacity_map::stop_type new_stop;
new_point.setX(scm::math::clamp(mouse_event->pos().x(), this->contentsRect().x(), this->contentsRect().x() + this->contentsRect().width()));
new_point.setY(scm::math::clamp(mouse_event->pos().y(), this->contentsRect().y(), this->contentsRect().y() + this->contentsRect().height()));
switch (_orientation) {
case horizontal:
new_stop = horizontal_stop(new_point, this->contentsRect());
break;
case vertical:
new_stop = vertical_stop(new_point, this->contentsRect());
break;
}
opacity_map::type::insert_return_type ret = _transfer_function->add_stop(new_stop);
if (ret.second == true) {
_anchors.push_back(opacity_map_anchor(new_point, new_stop));
_transfer_function->add_stop(new_stop);
//std::cout << mouse_event->pos().x() << "x" << mouse_event->pos().y() << " "
// << _anchors.back().stop().first << "x" << _anchors.back().stop().second << std::endl;
_active_anchor = boost::prior(_anchors.end());
/*emit*/ function_changed();
update_representation();
}
}
set_selected_anchor(_active_anchor);
update();
}
else if(mouse_event->button() == Qt::RightButton) {
if (hit_existing_anchor != _anchors.end()) {
_transfer_function->del_stop(hit_existing_anchor->stop());
_anchors.erase(hit_existing_anchor);
_active_anchor = _anchors.end();
set_selected_anchor(_anchors.end());
/*emit*/ function_changed();
update_representation();
update();
}
}
}
}
static rect get_bounding_rect(graphic_path& path)
{
rect_s rc(0,0,0,0);
bounding_rect(path, 0, &rc.x1, &rc.y1, &rc.x2, &rc.y2);
return rect((int)Floor(rc.x1), (int)Floor(rc.y1), (int)Ceil(rc.x2), (int)Ceil(rc.y2));
}
void VertexArrayRenderer::RefreshArray() {
SortPrimitives();
m_vertex_data.clear();
m_color_data.clear();
m_texture_data.clear();
m_index_data.clear();
m_vertex_data.reserve( m_vertex_count );
m_color_data.reserve( m_vertex_count );
m_texture_data.reserve( m_vertex_count );
m_index_data.reserve( m_index_count );
m_batches.clear();
m_last_vertex_count = 0;
m_last_index_count = 0;
auto primitives_size = m_primitives.size();
// Default viewport
Batch current_batch;
current_batch.viewport = m_default_viewport;
current_batch.atlas_page = 0;
current_batch.start_index = 0;
current_batch.index_count = 0;
current_batch.min_index = 0;
current_batch.max_index = static_cast<GLuint>( m_vertex_count - 1 );
current_batch.custom_draw = false;
sf::FloatRect window_viewport( 0.f, 0.f, static_cast<float>( m_window_size.x ), static_cast<float>( m_window_size.y ) );
for( std::size_t primitive_index = 1; primitive_index != primitives_size + 1; primitive_index += 1 ) {
Primitive* primitive = m_primitives[primitive_index - 1].get();
primitive->SetSynced();
if( !primitive->IsVisible() ) {
continue;
}
sf::Vector2f position_transform( primitive->GetPosition() );
auto viewport = primitive->GetViewport();
std::size_t atlas_page = 0;
auto viewport_rect = window_viewport;
// Check if primitive needs to be rendered in a custom viewport.
if( viewport && ( ( *viewport ) != ( *m_default_viewport ) ) ) {
sf::Vector2f destination_origin( viewport->GetDestinationOrigin() );
sf::Vector2f size( viewport->GetSize() );
position_transform += ( destination_origin - viewport->GetSourceOrigin() );
if( m_cull ) {
viewport_rect.left = destination_origin.x;
viewport_rect.top = destination_origin.y;
viewport_rect.width = size.x;
viewport_rect.height = size.y;
}
}
const std::shared_ptr<Signal>& custom_draw_callback( primitive->GetCustomDrawCallback() );
if( custom_draw_callback ) {
// Start a new batch.
current_batch.max_index = m_last_vertex_count ? ( static_cast<GLuint>( m_last_vertex_count ) - 1 ) : 0;
m_batches.push_back( current_batch );
// Mark current_batch custom draw batch.
current_batch.viewport = viewport;
current_batch.start_index = 0;
current_batch.index_count = 0;
current_batch.min_index = 0;
current_batch.max_index = 0;
current_batch.custom_draw = true;
current_batch.custom_draw_callback = custom_draw_callback;
// Start a new batch.
m_batches.push_back( current_batch );
// Reset current_batch to defaults.
current_batch.viewport = m_default_viewport;
current_batch.start_index = m_last_index_count;
current_batch.index_count = 0;
current_batch.min_index = m_last_vertex_count ? ( static_cast<GLuint>( m_last_vertex_count ) - 1 ) : 0;
current_batch.custom_draw = false;
}
else {
// Process primitive's vertices and indices
const std::vector<Primitive::Vertex>& vertices( primitive->GetVertices() );
const std::vector<GLuint>& indices( primitive->GetIndices() );
sf::Vector2f position( 0.f, 0.f );
sf::FloatRect bounding_rect( 0.f, 0.f, 0.f, 0.f );
for( const auto& vertex : vertices ) {
position.x = vertex.position.x + position_transform.x;
position.y = vertex.position.y + position_transform.y;
m_vertex_data.push_back( position );
m_color_data.push_back( vertex.color );
atlas_page = static_cast<unsigned int>( vertex.texture_coordinate.y ) / m_max_texture_size;
// Used to normalize texture coordinates.
sf::Vector2f normalizer( 1.f / static_cast<float>( m_texture_atlas[atlas_page]->getSize().x ), 1.f / static_cast<float>( m_texture_atlas[atlas_page]->getSize().y ) );
// Normalize SFML's pixel texture coordinates.
m_texture_data.push_back( sf::Vector2f( vertex.texture_coordinate.x * normalizer.x, static_cast<float>( static_cast<unsigned int>( vertex.texture_coordinate.y ) % m_max_texture_size ) * normalizer.y ) );
// Update the bounding rect.
if( m_cull ) {
if( position.x < bounding_rect.left ) {
bounding_rect.width += bounding_rect.left - position.x;
bounding_rect.left = position.x;
}
else if( position.x > bounding_rect.left + bounding_rect.width ) {
bounding_rect.width = position.x - bounding_rect.left;
}
if( position.y < bounding_rect.top ) {
bounding_rect.height += bounding_rect.top - position.y;
bounding_rect.top = position.y;
}
else if( position.y > bounding_rect.top + bounding_rect.height ) {
bounding_rect.height = position.y - bounding_rect.top;
}
}
}
if( m_cull && !viewport_rect.intersects( bounding_rect ) ) {
m_vertex_data.resize( m_last_vertex_count );
m_color_data.resize( m_last_vertex_count );
m_texture_data.resize( m_last_vertex_count );
}
else {
for( const auto& index : indices ) {
m_index_data.push_back( m_last_vertex_count + index );
}
// Check if we need to start a new batch.
if( ( ( *viewport ) != ( *current_batch.viewport ) ) || ( atlas_page != current_batch.atlas_page ) ) {
current_batch.max_index = m_last_vertex_count ? ( static_cast<GLuint>( m_last_vertex_count ) - 1 ) : 0;
m_batches.push_back( current_batch );
// Reset current_batch to defaults.
current_batch.viewport = viewport;
current_batch.atlas_page = atlas_page;
current_batch.start_index = m_last_index_count;
current_batch.index_count = 0;
current_batch.min_index = m_last_vertex_count ? ( static_cast<GLuint>( m_last_vertex_count ) - 1 ) : 0;
current_batch.custom_draw = false;
}
current_batch.index_count += static_cast<unsigned int>( indices.size() );
m_last_vertex_count += static_cast<GLsizei>( vertices.size() );
m_last_index_count += static_cast<GLsizei>( indices.size() );
}
}
}
current_batch.max_index = m_last_vertex_count ? ( static_cast<GLuint>( m_last_vertex_count ) - 1 ) : 0;
m_batches.push_back( current_batch );
}
/* method: "get_rect() -> (x,y,w,h)\n
Returns the bounding rectangle. " */
static Rect Shape_rect(const Object& self){
return bounding_rect(self.GetTri());
}
inline bool outside(Object* obj, const PosInfo& info){
return !bounding_rect(obj->GetTri()).Contains(info.pos);
}
