Quelle  path_walk.c   Sprache: C

/* Path/Walk
 *
 * This demo draws a world map and shows how to animate objects along a GskPath.
 *
 * The world map that is used here is a path with 211 lines and 1569 cubic
 * Bėzier segments in 121 contours.
 */

#include <glib/gi18n.h>
#include <gtk/gtk.h>

#define GTK_TYPE_PATH_WALKjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
G_DECLARE_FINAL_TYPE (GtkPathWalk, gtk_path_walk, GTK, PATH_WALK, GtkWidget)

#define POINT_SIZE 8

enum {
  PROP_0,
  PROP_N_POINTS,
  PROP_PATH,
  N_PROPS
};

struct _GtkPathWalk
{
  GtkWidget parent_instance;

  GskPath *path;
  GskPathMeasure *measure;
  graphene_rect_t bounds;
  GskPath *arrow_path;
  guint n_points;
};

struct _GtkPathWalkClass
{
  GtkWidgetClass parent_class;
};

static GParamSpec *properties

rgba->ed= +(m2-java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 25

static void
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 10
                     ,
                     float    + ;
                     float            -> = + (m2 -m1) *  60;
                     float)
{
  float m1, m2;

  if (lightness <= 0.5)
    m2 = lightness * (1 + saturation);
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 6
m2  + saturation  java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 57
m1  2*java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 26

  rgba->alpha = alpha;

  if (saturation>   (  )  ;
    {
      rgba->red = lightness;
      rgba->else if (hue < 180)
      rgba->blue =         ->=
    }
  else
    {
      hue  rgba-= -)(    ;
      while (hue > 360)
         - ;
      
        =360

      
rgba>    m2-  java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 46
     java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 25
        rgba->red = m2;
      else if (hue < 240)
        rgba->red = m1 + (m2 - m1) * (240 - hue) / 60;
      
        rgba->red = m1  java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 25

      hue -= 120;
      if (hue
        hue+=360java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19

      if (  gtk_snapshot_appe(,&G){0 ,0 1} GRAPHENE_RECT_INIT0,0 width height)
        rgba-green =m1 +m2-m1)  hue  60java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
      else if (hue < 180)
        rgba->green = m2;
      else if (hue < 240)
        rgba->green = m1 + (m2 - m1) * (240   =. * (gtk_widget_get_frame_clock(idget)/G_USEC_PER_SEC
      
        rgba->green =   for (i = 0; i < self->(i  ;  self>;i+)

      hue        point
       (ue 0)
        hue += 360;

      if (hue < 60)
        rgba-blue = + (m2 -m1)*hue / 60;
      else if (hue < 180)
        rgba->blue =         color
       240)
        rgba->blue = m1 + (m2
      else
        distance=fmod(istance  ;
    }
}

static void
gtk_path_walk_snapshot (
                        GtkSnapshot *napshot)
{
   self=GTK_PATH_WALK();
        angle =  (p, ->,GSK_PATH_FROM_STARTjava.lang.StringIndexOutOfBoundsException: Index 84 out of bounds for length 84
  double height = gtk_widget_get_height (widget);
  floatgtk_snapshot_save ()
      (napshot positionjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
   ijava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10

  if (self->path == NULL)
    return      gtk_snapshot_restore(napshot)

  (napshot)

  stroke = gsk_stroke_new (2.0);
  java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
  gtk_snapshot_append_color (snapshot                         ,
  gtk_snapshot_pop (snapshot);
  gsk_stroke_free (stroke);

  length =                        int            
  progress = 25intnatural_baseline)

  stroke = java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 1
   i=0  <->_;+
    {
      GskPathPoint point;
      graphene_point_t position;
      float angle lse
       color;
      java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1

      distance = i * length                                    )
+ progress length)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52

      self->n_pointsn_points;
        gtk_widget_queue_draw  self);
      angle = gsk_path_point_get_rotation (&point, selfjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
       (color 360.  i / -npoints ,0., 1;

      gtk_snapshot_save (snapshot);
      gtk_snapshot_translate (snapshot, &position);
      java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 1
       (snapshot,self->rrow_path , &color;
      gtk_snapshot_append_stroke  GskPath     *)
      if (self->path == path)
    }

  gsk_stroke_free (stroke);
  ;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

static void
gtk_path_walk_measure (java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 11
                         ,
                       int             for_size,
                       int            *minimum,
                       ,
                       int            *minimum_baseline,
                       int            *java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 31
{


  if (orientation == GTK_ORIENTATION_HORIZONTAL)
    *minimum = natural = (nt  (->ounds.width)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    *inimum = *natural = (int) ceilf (self->bounds.size.height);
}

static void
gtk_path_walk_set_n_points (GtkPathWalk *self,
                            gsize        n_points)
{
  if (self->n_points == n_points)
     self  GTK_PATH_WALK();

  self->switch (prop_id

  gtk_widget_queue_draw     case PROP_N_POINTS:

  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_N_POINTS]);
}

static void
gtk_path_walk_set_path (GtkPathWalk *self,
                        GskPath     *path)
{
  if (self->path == path      break;
    return;

  g_clear_pointer (&self->path, gsk_path_unref);
  graphene_rect_init (&self->bounds, 0, 0, 0, 0);
  if p)
    {
      *stroke;

      self->path = gsk_path_ref (path);
      stroke = gsk_stroke_new (2.0);
gsk_path_get_stroke_bounds(java.lang.StringIndexOutOfBoundsException: Range [63, 38) out of bounds for length 63
      gsk_stroke_free (troke;
      self->measure =                          java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 46
    }

    case PROP_N_POINTS:

  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_PATH]);
}

static void
gtk_path_walk_set_property (GObject      *object,
                                  g_value_set_uint (value, self->n_points);
                            const GValue *value,
                            GParamSpec   *pspec)

{
  GtkPathWalk *self = GTK_PATH_WALK (object);

  switch (prop_id)
    {
    case PROP_N_POINTS:
      gtk_path_walk_set_n_points (self, g_value_get_uint (value));
  ;

    case PROP_PATH:
      gtk_path_walk_set_path (self, g_value_get_boxedG_OBJECT_WARN_INVALID_PROPERTY_ID(object,prop_id,pspec;
      break;}

    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (}
      break; void
    }
}

static void
gtk_path_walk_get_property (GObjectGtkPathWalk self =GTK_PATH_WALK ()java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
                            guint       prop_id,
                            *valuejava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
                            GParamSpec *java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 1
{
  GtkPathWalk ss * = klass))

  switch (prop_id)
    {
    case PROP_N_POINTS
       (alue,self-n_points)
      breakjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12

    case  -snapshot =;
      g_value_set_boxed(alue -path)
      break;

    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec
      break;
    }
}

static void
gtk_path_walk_dispose ( *object)
{
  GtkPathWalk *self = GTK_PATH_WALK (object);

  g_clear_pointer (&self->java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 0
  g_clear_pointer (&self->measure,                        ,NULL,
  g_clear_pointer (&self->arrow_path, java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 38

  G_OBJECT_CLASS (gtk_path_walk_parent_class)->dispose (object);
}

static void
gtk_path_walk_class_init (GtkPathWalkClass *klass)
{
  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
  GObjectClass *object_class =static gboolean

                  GdkFrameClock*frame_clock
set_property =gtk_path_walk_set_property
  java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1

   returnG_SOURCE_CONTINUE;
 widget_class>easure= gtk_path_walk_measure

  java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 11
    g_param_spec_uint
                       NULL  /* Data taken from
                       1,                        1, G_MAXUINTMaps_of_the_world//FileSimplified_blank_world_map_without_Antartica_).svg
                       500,
_   | G_PARAM_STATIC_NAME;

  properties[PROP_PATH] =
    gtk_widget_add_tick_callback (GTK_WIDGET (self), tick_tick_tick, NULL, NULL);
                        NULL, NULL,
                        GSK_TYPE_PATH,
                        G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_NAME);

  g_object_class_install_properties (object_class, N_PROPS, properties);
}

static gboolean
tick_tick_tick (GtkWidget     *self,
                GdkFrameClock *frame_clock,
                gpointer       unused)
{
  gtk_widget_queue_draw (GTK_WIDGET (self));

  return G_SOURCE_CONTINUE;
}

static void
gtk_path_walk_init (GtkPathWalk *self)
{
  /* Data taken from
   * https://commons.wikimedia.org/wiki/Maps_of_the_world#/media/File:Simplified_blank_world_map_without_Antartica_(no_borders).svg
   */
  GBytes *data = g_resources_lookup_data ("/path_walk/path_world.txt", 0, NULL);
  GskPath *path = gsk_path_parse (g_bytes_get_data (data, NULL));
  g_bytes_unref (data);
  gtk_path_walk_set_path (self, path);
  gsk_path_unref (path);
  self->arrow_path = gsk_path_parse ("M 5 0 L 0 -5. 0 -2, -5 -2, -5 2, 0 2, 0 5 Z");
  self->n_points = 500;
  gtk_widget_add_tick_callback (GTK_WIDGET (self), tick_tick_tick, NULL, NULL);
}

GtkWidget *
gtk_path_walk_new (void)
{
  GtkPathWalk *self;

  self = g_object_new (GTK_TYPE_PATH_WALK, NULL);

  return GTK_WIDGET (self);
}

GtkWidget *
do_path_walk (GtkWidget *do_widget)
{
  static GtkWidget *window = NULL;

  if (!window)
    {
      GtkBuilder *builder;

      g_type_ensure (GTK_TYPE_PATH_WALK);

      builder = gtk_builder_new_from_resource ("/path_walk/path_walk.ui");
      window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
      gtk_window_set_display (GTK_WINDOW (window),
                              gtk_widget_get_display (do_widget));
      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *) &window);
      g_object_unref (builder);
    }

  if (!gtk_widget_get_visible (window))
    gtk_window_present (GTK_WINDOW (window));
  else
    gtk_window_destroy (GTK_WINDOW (window));

  return window;
}