1 files changed, 451 insertions, 0 deletions
diff --git a/src/3rdparty/2geom/include/toys/toy-framework-2.h b/src/3rdparty/2geom/include/toys/toy-framework-2.h
new file mode 100644
index 0000000..5504dfd
--- /dev/null
+++ b/src/3rdparty/2geom/include/toys/toy-framework-2.h
@@ -0,0 +1,451 @@
+
+#ifndef _2GEOM_TOY_FRAMEWORK2_H_
+#define _2GEOM_TOY_FRAMEWORK2_H_
+
+
+
+#include <cairo.h>
+#include <gtk/gtk.h>
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include <assert.h>
+#include <2geom/exception.h>
+#include <2geom/point.h>
+#include <2geom/geom.h>
+#include <2geom/sbasis.h>
+#include <2geom/d2.h>
+#include <sched.h>
+#include <toys/path-cairo.h>
+
+using std::vector;
+
+//Utility functions
+double uniform();
+
+void draw_text(cairo_t *cr, Geom::Point pos, const char* txt, bool bottom = false, const char* fontdesc = "Sans");
+void draw_text(cairo_t *cr, Geom::Point pos, const std::string& txt, bool bottom = false, const std::string& fontdesc = "Sans");
+void draw_number(cairo_t *cr, Geom::Point pos, int num, std::string name=std::string(), bool bottom = true);
+void draw_number(cairo_t *cr, Geom::Point pos, unsigned num, std::string name=std::string(), bool bottom = true);
+void draw_number(cairo_t *cr, Geom::Point pos, double num, std::string name=std::string(), bool bottom = true);
+
+struct colour{
+    double r,g,b,a;
+    colour(double r, double g, double b, double a) : r(r), g(g), b(b), a(a) {}
+    static colour from_hsv( float H,          // hue shift (radians)
+                            float S,          // saturation shift (scalar)
+                            float V,          // value multiplier (scalar)
+                            float A
+			    );
+    static colour from_hsl( float H,          // hue shift (radians)
+                            float S,          // saturation shift (scalar)
+                            float L,          // value multiplier (scalar)
+                            float A
+			    );
+};
+void cairo_set_source_rgba(cairo_t* cr, colour c);
+
+class Handle{
+public:
+    std::string name;
+    float rgb[3];
+    Handle() {rgb[0] = rgb[1] = rgb[2] = 0;}
+    virtual ~Handle() {}
+    virtual void draw(cairo_t *cr, bool annotes=false) = 0;
+
+    virtual void* hit(Geom::Point pos) = 0;
+    virtual void move_to(void* hit, Geom::Point om, Geom::Point m) = 0;
+    virtual void load(FILE* f)=0;
+    virtual void save(FILE* f)=0;
+};
+
+class Toggle : public Handle{
+public:
+    Geom::Rect bounds;
+    const char* text;
+    bool on;
+    Toggle() : bounds(Geom::Point(0,0), Geom::Point(0,0)), text(""), on(false) {}
+    Toggle(const char* txt, bool v) : bounds(Geom::Point(0,0), Geom::Point(0,0)), text(txt), on(v) {}
+    Toggle(Geom::Rect bnds, const char* txt, bool v) : bounds(bnds), text(txt), on(v) {}
+    void draw(cairo_t *cr, bool annotes = false) override;
+    void toggle();
+    void set(bool state);
+    void handle_click(GdkEventButton* e);
+    void* hit(Geom::Point pos) override;
+    void move_to(void* /*hit*/, Geom::Point /*om*/, Geom::Point /*m*/) override { /* not implemented */ }
+    void load(FILE* /*f*/) override { /* not implemented */ }
+    void save(FILE* /*f*/) override { /* not implemented */ }
+};
+
+
+template< typename T>
+class VectorHandle : public Handle
+{
+  public:
+    VectorHandle()
+        : m_handles()
+    {
+    }
+    void draw(cairo_t *cr, bool annotes=false) override
+    {
+        for (iterator it = m_handles.begin(); it != m_handles.end(); ++it)
+            it->draw(cr, annotes);
+    }
+
+    void* hit(Geom::Point pos) override
+    {
+        void* result = NULL;
+        for (iterator it = m_handles.begin(); it != m_handles.end(); ++it)
+        {
+            result = it->hit(pos);
+            if (result != NULL)  break;
+        }
+        return result;
+    }
+
+    void move_to(void* hit, Geom::Point om, Geom::Point m) override
+    {
+        if (hit != NULL)
+        {
+            static_cast<T*>(hit)->move_to(hit, om, m);
+        }
+    }
+
+    void load(FILE* f) override
+    {
+        for (iterator it = m_handles.begin(); it != m_handles.end(); ++it)
+            it->load(f);
+    }
+
+    void save(FILE* f) override
+    {
+        for (iterator it = m_handles.begin(); it != m_handles.end(); ++it)
+            it->save(f);
+    }
+
+    void clear()
+    {
+        m_handles.clear();
+    }
+
+    void reserve(size_t sz)
+    {
+        m_handles.reserve(sz);
+    }
+
+    size_t size() const
+    {
+        return m_handles.size();
+    }
+
+    void push_back (const T& _handle)
+    {
+        m_handles.push_back(_handle);
+    }
+
+    const T& operator[] (size_t i) const
+    {
+        return m_handles.at(i);
+    }
+
+    T& operator[] (size_t i)
+    {
+        return m_handles.at(i);
+    }
+
+  private:
+      typedef typename std::vector<T>::iterator iterator;
+      std::vector<T> m_handles;
+};  // end class VectorHandle
+
+
+class PointHandle : public Handle{
+public:
+    PointHandle(double x, double y) : pos(x,y) {}
+    PointHandle(Geom::Point pt) : pos(pt) {}
+    PointHandle() {}
+    Geom::Point pos;
+    void draw(cairo_t *cr, bool annotes = false) override;
+
+    void* hit(Geom::Point mouse) override;
+    void move_to(void* hit, Geom::Point om, Geom::Point m) override;
+    void load(FILE* f) override;
+    void save(FILE* f) override;
+};
+
+class PointSetHandle : public Handle{
+public:
+    PointSetHandle() {}
+    std::vector<Geom::Point> pts;
+    void draw(cairo_t *cr, bool annotes = false) override;
+
+    void* hit(Geom::Point mouse) override;
+    void move_to(void* hit, Geom::Point om, Geom::Point m) override;
+    void push_back(double x, double y) {pts.emplace_back(x,y);}
+    void push_back(Geom::Point pt) {pts.push_back(pt);}
+    unsigned size() {return pts.size();}
+    Geom::D2<Geom::SBasis> asBezier();
+    void load(FILE* f) override;
+    void save(FILE* f) override;
+};
+
+class RectHandle : public Handle{
+public:
+    RectHandle() {}
+    RectHandle(Geom::Rect pos, bool show_center_handle) : pos(pos), show_center_handle(show_center_handle) {}
+    Geom::Rect pos;
+    bool show_center_handle;
+    void draw(cairo_t *cr, bool annotes = false) override;
+
+    void* hit(Geom::Point mouse) override;
+    void move_to(void* hit, Geom::Point om, Geom::Point m) override;
+    void load(FILE* f) override;
+    void save(FILE* f) override;
+};
+
+
+// used by Slider
+inline std::string default_formatter(double x)
+{
+    std::ostringstream os;
+    os << x;
+    return os.str();
+}
+
+class Slider : public Handle
+{
+  public:
+
+    typedef std::string (*formatter_t) (double );
+    typedef double value_type;
+
+    Slider()
+        : m_handle(), m_pos(Geom::Point(0,0)), m_length(1),
+         m_min(0), m_max(1), m_step(0), m_dir(Geom::X),
+         m_label(""), m_formatter(&default_formatter)
+    {
+        value(0);
+    }
+
+    // pass step = 0 for having a continuos value variation
+    Slider( value_type _min, value_type _max, value_type _step,
+            value_type _value, std::string  _label = "" )
+        : m_handle(),m_pos(Geom::Point(0,0)), m_length(1),
+          m_min(_min), m_max(_max), m_step(_step), m_dir(Geom::X),
+          m_label(std::move(_label)), m_formatter(&default_formatter)
+    {
+        value(_value);
+    }
+
+    void set( value_type _min, value_type _max, value_type _step,
+              value_type _value, const std::string& _label = "" )
+    {
+          m_min = _min;
+          m_max = _max;
+          m_step = _step;
+          m_label = _label;
+          value(_value);
+    }
+
+    value_type value() const;
+
+    void value(value_type _value);
+
+    value_type max_value() const
+    {
+        return m_max;
+    }
+
+    void max_value(value_type _value);
+
+    value_type min_value() const
+    {
+        return m_min;
+    }
+
+    void min_value(value_type _value);
+
+    // dir = X horizontal slider dir = Y vertical slider
+    void geometry(Geom::Point _pos, value_type _length, Geom::Dim2 _dir = Geom::X);
+
+    void draw(cairo_t* cr, bool annotate = false) override;
+
+    void formatter( formatter_t _formatter )
+    {
+        m_formatter = _formatter;
+    }
+
+    void* hit(Geom::Point pos) override
+    {
+        if (m_handle.hit(pos) != NULL)
+            return this;
+        return NULL;
+    }
+
+    void move_to(void* hit, Geom::Point om, Geom::Point m) override;
+
+    void load(FILE* f) override
+    {
+        m_handle.load(f);
+    }
+
+    void save(FILE* f) override
+    {
+        m_handle.save(f);
+    }
+
+  private:
+    PointHandle m_handle;
+    Geom::Point m_pos;
+    value_type m_length;
+    value_type m_min, m_max, m_step;
+    int m_dir;
+    std::string m_label;
+    formatter_t m_formatter;
+};
+
+
+
+
+
+class Toy {
+public:
+    vector<Handle*> handles;
+    bool mouse_down = false;
+    Geom::Point old_mouse_point;
+    Handle* selected = nullptr;
+    void* hit_data = nullptr;
+    int canvas_click_button = 0;
+    double notify_offset = 0.0;
+    std::string name;
+    bool show_timings = false;
+    FILE* spool_file = nullptr; // if non-NULL we record all interactions to this file
+
+    Toy() {}
+
+    virtual ~Toy() {}
+
+    virtual void draw(cairo_t *cr, std::ostringstream *notify, int w, int h, bool save, std::ostringstream *timing_stream);
+
+    virtual void mouse_moved(GdkEventMotion* e);
+    virtual void mouse_pressed(GdkEventButton* e);
+    virtual void mouse_released(GdkEventButton* e);
+    virtual void canvas_click(Geom::Point at, int button);
+    virtual void scroll(GdkEventScroll* e);
+
+    virtual void key_hit(GdkEventKey */*e*/) {}
+
+    //Cheapo way of informing the framework what the toy would like drawn for it.
+    virtual bool should_draw_numbers() { return true; }
+    virtual int should_draw_bounds() { return 0; }
+
+    virtual void first_time(int /*argc*/, char** /*argv*/) {}
+
+    virtual void resize_canvas(Geom::Rect const & /*s*/) {}
+    virtual void load(FILE* f);
+    virtual void save(FILE* f);
+};
+
+//Framework Accesors
+void redraw();
+void take_screenshot(const char* file);
+void init(int argc, char **argv, Toy *t, int width=600, int height=600);
+
+void toggle_events(std::vector<Toggle> &ts, GdkEventButton* e);
+void draw_toggles(cairo_t *cr, std::vector<Toggle> &ts);
+Geom::Point read_point(FILE* f);
+
+
+
+
+
+const long long NS_PER_SECOND = 1000000000LL;
+const long long NS_PER_NS = 1;
+
+
+class Timer{
+public:
+  Timer() {}
+  // note that CPU time is tracked per-thread, so the timer is only useful
+  // in the thread it was start()ed from.
+
+  class Time{
+  public:
+    double value;
+  Time(long long /*s*/, long long l) : value(l) {}
+  Time(double v) : value(v) {}
+    Time operator/(double iters) const {
+      return Time(value / iters);
+    }
+  };
+
+  void start() {
+    nsec(start_time);
+  }
+  void lap(long long &ns) {
+    nsec(ns);
+    ns -= start_time;
+  }
+  Time lap() {
+    long long ns;
+    nsec(ns);
+    return Time(start_time, ns - start_time);
+  }
+  void nsec(long long &ns) {
+#if ! (defined(_WIN32) || defined(__APPLE__))
+    clock_gettime(clock, &ts);
+    ns = ts.tv_sec * NS_PER_SECOND + ts.tv_nsec / NS_PER_NS;
+#else
+    ns = 0;
+#endif
+  }
+  /** Ask the OS nicely for a big time slice */
+  void ask_for_timeslice() {
+#ifndef _WIN32
+    sched_yield();
+#endif
+  }
+private:
+  long long start_time;
+#if ! (defined(_WIN32) || defined(__APPLE__))
+  struct timespec ts;
+#  ifdef _POSIX_THREAD_CPUTIME
+  static const clockid_t clock = CLOCK_THREAD_CPUTIME_ID;
+#  else
+#    ifdef CLOCK_MONOTONIC
+  static const clockid_t clock = CLOCK_MONOTONIC;
+#    else
+  static const clockid_t clock = CLOCK_REALTIME;
+#    endif
+#  endif
+#endif
+};
+
+inline std::ostream& operator<<(std::ostream& o, Timer::Time const &t) {
+    double tm = t.value;
+    unsigned prefix = 0;
+    char prefixes[] = "num kMGT";
+    while(prefix < sizeof(prefixes) and tm > 1000) {
+        tm /= 1000.0;
+        prefix += 1;
+    }
+    o << tm << prefixes[prefix]  << "s";
+  return o;
+}
+
+
+
+#endif // _2GEOM_TOY_FRAMEWORK2_H_
+/*
+	Local Variables:
+	mode:c++
+	c-file-style:"stroustrup"
+	c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+	indent-tabs-mode:nil
+	fill-column:99
+	End:
+      */
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=4:softtabstop=4:fileencoding=utf-8:textwidth=99 :