TextNode.hpp

#pragma once
 
#include <Gfx/Graph/Node.hpp>
 
#include <QFont>
#include <QPen>
 
namespace score::gfx
{
struct TextNode : NodeModel
{
public:
  explicit TextNode();
  virtual ~TextNode();
 
  score::gfx::NodeRenderer* createRenderer(RenderList& r) const noexcept override;
 
  void process(Message&& msg) override;
  class Renderer;
 
#pragma pack(push, 1)
  struct UBO
  {
    float opacity{1.};
    float padding_std140_0{};
    // Clip-space offset (added to the text quad in the vertex shader). {0,0} is
    // screen centre; the previous {0.5,0.5} default shifted an unconfigured Text
    // process ~half a screen up+right — off the top edge — so default text was
    // invisible until Position was touched. (video/text render validation)
    float position[2]{0.0, 0.0};
    float scale[2]{1., 1.};
  } ubo;
#pragma pack(pop)
 
  QString text;
  QFont font;
  QPen pen;
 
  std::atomic_int64_t mustRerender{0};
 
private:
};
 
}