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rectangles: cycle colors

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We will still probably want something smarter here, but this gets things
to be more distinguished than black.
This commit is contained in:
Christian Hergert
2018-05-17 09:03:04 +01:00
parent 896bbaea89
commit d523fcc024
1 changed files with 21 additions and 5 deletions
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26
lib/util/rectangles.c
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@ -19,6 +19,7 @@
*/
#include "util/rectangles.h"
#include "util/sp-color-cycle.h"
#include "visualizers/sp-visualizer-row.h"
typedef struct
@ -35,6 +36,8 @@ struct _Rectangles
GStringChunk *strings;
GArray *rectangles;
GHashTable *y_indexes;
GHashTable *colors;
SpColorCycle *cycle;
gint64 begin_time;
gint64 end_time;
guint sorted : 1;
@ -50,6 +53,8 @@ rectangles_new (gint64 begin_time,
self->strings = g_string_chunk_new (4096);
self->rectangles = g_array_new (FALSE, FALSE, sizeof (Rectangle));
self->y_indexes = g_hash_table_new (g_str_hash, g_str_equal);
self->colors = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, g_free);
self->cycle = sp_color_cycle_new ();
self->begin_time = begin_time;
self->end_time = end_time;
self->sorted = FALSE;
@ -90,6 +95,9 @@ rectangles_free (Rectangles *self)
{
g_string_chunk_free (self->strings);
g_array_unref (self->rectangles);
g_hash_table_unref (self->colors);
g_hash_table_unref (self->y_indexes);
sp_color_cycle_unref (self->cycle);
g_slice_free (Rectangles, self);
}
@ -126,7 +134,13 @@ rectangles_sort (Rectangles *self)
const Rectangle *rect = &g_array_index (self->rectangles, Rectangle, i);
if (!g_hash_table_contains (self->y_indexes, rect->name))
g_hash_table_insert (self->y_indexes, (gchar *)rect->name, GUINT_TO_POINTER (++sequence));
{
GdkRGBA rgba;
sp_color_cycle_next (self->cycle, &rgba);
g_hash_table_insert (self->y_indexes, (gchar *)rect->name, GUINT_TO_POINTER (++sequence));
g_hash_table_insert (self->colors, (gchar *)rect->name, g_memdup (&rgba, sizeof rgba));
}
}
self->sorted = TRUE;
@ -162,6 +176,7 @@ rectangles_draw (Rectangles *self,
SpVisualizerRowRelativePoint in_points[2];
SpVisualizerRowAbsolutePoint out_points[2];
GdkRectangle r;
GdkRGBA *rgba;
g_assert (y_index > 0);
g_assert (y_index <= n_rows);
@ -186,11 +201,12 @@ rectangles_draw (Rectangles *self,
rect->area = r;
gdk_cairo_rectangle (cr, &r);
}
rgba = g_hash_table_lookup (self->colors, rect->name);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_fill (cr);
gdk_cairo_rectangle (cr, &r);
gdk_cairo_set_source_rgba (cr, rgba);
cairo_fill (cr);
}
}
void