#include <string>
#include <vector>
+#include "mspgltk_api.h"
+#include "state.h"
namespace Msp {
namespace GLtk {
class Geometry;
class Part;
+class PartCache;
class Style;
/**
Stores and renders text. Supports multiline text.
*/
-class Text
+class MSPGLTK_API Text
{
private:
struct Line
{
- unsigned start;
- unsigned length;
- unsigned width;
+ std::size_t start = 0;
+ std::size_t bytes = 0;
+ std::size_t length = 0;
+ unsigned width = 0;
};
- const Style *const &style;
+ struct RenderData;
+ struct CoordsToGeomData;
+
+ const Style *style = nullptr;
std::string text;
std::vector<Line> lines;
public:
- Text(const Style *const &);
- Text(const Style *const &, const std::string &);
+ Text();
+ Text(const Style &, const std::string &);
+
+ void set_style(const Style *);
unsigned get_width() const;
unsigned get_height() const;
+ void autosize(const Part &, Geometry &) const;
void set(const std::string &);
- void erase(unsigned, unsigned);
- void insert(unsigned, const std::string &);
+ void erase(std::size_t, std::size_t);
+ void insert(std::size_t, const std::string &);
const std::string &get() const { return text; }
- unsigned size() const { return text.size(); }
-
- void update_style();
+ std::size_t size() const { return text.size(); }
+ std::size_t get_n_lines() const { return lines.size(); }
+ std::size_t get_visible_lines(const Part &, const Geometry &, unsigned *) const;
+ std::size_t get_line_length(std::size_t) const;
+ std::size_t move_offset(std::size_t, std::ptrdiff_t) const;
+ void offset_to_coords(std::size_t, std::size_t &, std::size_t &) const;
+ std::size_t coords_to_offset(std::size_t, std::size_t) const;
+ Geometry coords_to_geometry(const Part &, const Geometry &, std::size_t, std::size_t, std::size_t) const;
- void render(const Part &, const Geometry &) const;
+ void build(const Part &, State, const Geometry &, PartCache &) const;
+ void build(const Part &, State, const Geometry &, std::size_t, PartCache &) const;
Text &operator=(const std::string &);
private:
void find_lines();
+ std::size_t count_characters(std::size_t, std::size_t) const;
+ void check_alignment(std::size_t) const;
+
+ template<typename T>
+ void process_lines(const Part &, const Geometry &, std::size_t, void (Text::*)(std::size_t, const Geometry &, T &) const, T &) const;
+
+ void build_line(std::size_t, const Geometry &, RenderData &) const;
+ void coords_to_geom_line(std::size_t, const Geometry &, CoordsToGeomData &) const;
};
} // namespace GLtk