add brush preset panel

2017-10-03 14:35:30 +01:00
parent db55a055fd
commit 41e52b7757
7 changed files with 191 additions and 7 deletions
--- a/engine/node_panel_brush.cpp
+++ b/engine/node_panel_brush.cpp
@@ -106,3 +106,105 @@ void NodePanelBrush::select_brush(int brush_id)
        }
    }
 }
+
+// -----------------------------------------------------------------------
+
+
+Node* NodeBrushPresetItem::clone_instantiate() const
+{
+    return new NodeBrushPresetItem();
+}
+
+void NodeBrushPresetItem::init()
+{
+    init_template("tpl-brush-preset");
+    color_hover = glm::vec4(.7, .7, .7, 1);
+    color_normal = glm::vec4(.3, .3, .3, 1);
+    m_color = color_normal;
+    m_thumb = (NodeImage*)m_children[0].get();
+    m_preview = (NodeStrokePreview*)m_children[1].get();
+}
+
+void NodeBrushPresetItem::draw()
+{
+    m_color = m_mouse_inside ? color_hover : color_normal;
+    m_color = m_selected ? glm::vec4(.9, 0, 0, 1) : m_color;
+    NodeButtonCustom::draw();
+}
+
+//---
+
+Node* NodePanelBrushPreset::clone_instantiate() const
+{
+    return new NodePanelBrushPreset();
+}
+
+void NodePanelBrushPreset::init()
+{
+    init_template("tpl-panel-brush-preset");
+
+    static auto icons = Asset::list_files("data/thumbs", true, ".*\\.png$");
+
+    if ((m_container = find<NodeBorder>("brushes")))
+    {
+        int count = 0;
+        for (auto& i : icons)
+        {
+            std::string path = "data/thumbs/" + i;
+            std::string path_hi = "data/brushes/" + i;
+            NodeBrushPresetItem* brush = new NodeBrushPresetItem;
+            m_container->add_child(brush);
+            brush->init();
+            brush->create();
+            brush->loaded();
+//            brush->set_icon(path.c_str());
+            brush->m_brushID = count++;
+            brush->high_path = path_hi;
+            brush->high_id = const_hash(path_hi.c_str());
+            brush->m_brush.m_tex_id = const_hash(path.c_str());
+            brush->m_brush.m_tip_size = .05;
+            brush->m_brush.m_tip_flow = .2;
+            brush->m_brush.m_tip_opacity = 1;
+            brush->m_brush.m_tip_spacing = 0.03;
+            brush->m_brush.m_jitter_spread = (rand() % 1000) * 0.0001;
+            brush->m_preview->m_brush = brush->m_brush;
+            brush->m_preview->draw_stroke();
+            brush->m_thumb->m_path = path;
+            brush->m_thumb->m_tex_id = const_hash(path.c_str());
+            brush->m_thumb->create();
+            m_brushes.push_back(brush);
+            brush->on_click = std::bind(&NodePanelBrushPreset::handle_click, this, std::placeholders::_1);
+        }
+    }
+}
+
+void NodePanelBrushPreset::handle_click(Node* target)
+{
+    if (target == m_current)
+        return;
+    if (m_current)
+        m_current->m_selected = false;
+    m_current = (NodeButtonBrush*)target;
+    m_current->m_selected = true;
+    if (on_brush_changed)
+        on_brush_changed(this, m_current->m_brushID);
+}
+
+ui::Brush NodePanelBrushPreset::get_brush(int index) const
+{
+    auto b = m_brushes[index]->m_brush;
+    TextureManager::load(m_brushes[index]->high_path.c_str(), true);
+    b.m_tex_id = m_brushes[index]->high_id;
+    return b;
+}
+
+uint16_t NodePanelBrushPreset::get_texture_id(int index) const
+{
+    TextureManager::load(m_brushes[index]->high_path.c_str(), true);
+    return m_brushes[index]->high_id;
+}
+
+int NodePanelBrushPreset::get_brush_id(int index) const
+{
+    return m_brushes[index]->m_brushID;
+}