rename engine to src

src/node_panel_color.cpp

@@ -0,0 +1,59 @@
+#include "pch.h"
+#include "log.h"
+#include "node_panel_color.h"
+#include "canvas.h"
+
+Node* NodePanelColor::clone_instantiate() const
+{
+    return new NodePanelColor();
+}
+
+void NodePanelColor::clone_finalize(Node* dest) const
+{
+    NodePanelColor* n = static_cast<NodePanelColor*>(dest);
+    n->init_controls();
+}
+
+void NodePanelColor::init()
+{
+    init_template("tpl-panel-color");
+    init_controls();
+}
+
+void NodePanelColor::init_controls()
+{
+    m_quad = find<NodeColorQuad>("quad");
+    m_hue = find<NodeSliderHue>("hue");
+    m_hue->on_hue_changed = [this](Node*, glm::vec4 hue_color) {
+        m_base_color = m_quad->m_color = hue_color;
+        float hue = convert_rgb2hsv(m_base_color).x;
+        m_color = glm::vec4(convert_hsv2rgb(glm::vec3(hue, m_cursor.x, 1.f-m_cursor.y)), 1.f);
+        m_quad->m_color = hue_color;
+        if (on_color_changed)
+            on_color_changed(this, m_color);
+    };
+    m_quad->on_value_changed = [this](Node*, glm::vec2 pos)
+    {
+        m_cursor = pos;
+        float hue = convert_rgb2hsv(m_base_color).x;
+        m_color = glm::vec4(convert_hsv2rgb(glm::vec3(hue, m_cursor.x, 1.f-m_cursor.y)), 1.f);
+        if (on_color_changed)
+            on_color_changed(this, m_color);
+    };
+    m_hue->set_value(0);
+}
+
+void NodePanelColor::set_color(glm::vec3 rgb)
+{
+    auto hsv = convert_rgb2hsv(rgb);
+    m_hue->m_value.y = hsv.x;
+    m_quad->m_value = glm::vec2(hsv.y, 1.f - hsv.z);
+    m_quad->m_color = glm::vec4(rgb, 1);
+    m_cursor = m_quad->m_value;
+    m_base_color = glm::vec4(rgb, 1);
+}
+
+void NodePanelColor::added(Node* parent)
+{
+    set_color(ui::Canvas::I->m_current_brush.m_tip_color);
+}