Route canvas view execution through app core

src/legacy_canvas_view_services.cpp

@@ -0,0 +1,90 @@
+#include "pch.h"
+
+#include "legacy_canvas_view_services.h"
+
+#include "app.h"
+#include "node_canvas.h"
+#include "serializer.h"
+#include "settings.h"
+
+namespace pp::panopainter {
+namespace {
+
+class LegacyCanvasViewServices final : public pp::app::CanvasViewServices {
+public:
+    explicit LegacyCanvasViewServices(App& app) noexcept
+        : app_(app)
+    {
+    }
+
+    void reset_camera(const pp::app::CanvasCameraState& state) override
+    {
+        if (!app_.canvas || !app_.canvas->m_canvas) {
+            return;
+        }
+
+        app_.canvas->m_canvas->m_cam_rot = glm::mat4(
+            state.rotation[0], state.rotation[1], state.rotation[2], state.rotation[3],
+            state.rotation[4], state.rotation[5], state.rotation[6], state.rotation[7],
+            state.rotation[8], state.rotation[9], state.rotation[10], state.rotation[11],
+            state.rotation[12], state.rotation[13], state.rotation[14], state.rotation[15]);
+        app_.canvas->m_canvas->m_cam_pos = {
+            state.position[0],
+            state.position[1],
+            state.position[2],
+        };
+        app_.canvas->m_canvas->m_cam_fov = state.field_of_view_degrees;
+        app_.canvas->m_canvas->m_pan = {
+            state.pan[0],
+            state.pan[1],
+        };
+    }
+
+    void set_density(const pp::app::CanvasViewDensityPlan& plan) override
+    {
+        if (!app_.canvas) {
+            return;
+        }
+
+        app_.canvas->set_density(plan.density);
+        Settings::set("vp-scale", Serializer::Float(plan.density));
+        Settings::save();
+    }
+
+    void set_cursor_mode(const pp::app::CanvasViewCursorModePlan& plan) override
+    {
+        if (!app_.canvas) {
+            return;
+        }
+
+        const auto mode = static_cast<int>(plan.mode);
+        app_.canvas->set_cursor_visibility(static_cast<NodeCanvas::kCursorVisibility>(mode));
+        Settings::set("show-cursor", Serializer::Integer(mode));
+        Settings::save();
+    }
+
+private:
+    App& app_;
+};
+
+} // namespace
+
+pp::foundation::Status execute_legacy_canvas_camera_reset(App& app)
+{
+    LegacyCanvasViewServices services(app);
+    return pp::app::execute_canvas_camera_reset(services);
+}
+
+pp::foundation::Status execute_legacy_canvas_view_density(App& app, float density)
+{
+    LegacyCanvasViewServices services(app);
+    return pp::app::execute_canvas_view_density(density, services);
+}
+
+pp::foundation::Status execute_legacy_canvas_cursor_mode(App& app, int mode)
+{
+    LegacyCanvasViewServices services(app);
+    return pp::app::execute_canvas_view_cursor_mode(mode, services);
+}
+
+} // namespace pp::panopainter