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rectangles: improve rectangle positioning

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Christian Hergert
2018-05-16 15:09:33 +01:00
parent a15eb358ce
commit ca5684910f
1 changed files with 12 additions and 6 deletions
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18
lib/util/rectangles.c
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@ -157,33 +157,39 @@ rectangles_draw (Rectangles *self,
for (guint i = 0; i < self->rectangles->len; i++)
{
const Rectangle *rect = &g_array_index (self->rectangles, Rectangle, i);
Rectangle *rect = &g_array_index (self->rectangles, Rectangle, i);
guint y_index = GPOINTER_TO_UINT (g_hash_table_lookup (self->y_indexes, rect->name));
SpVisualizerRowRelativePoint in_points[2];
SpVisualizerRowAbsolutePoint out_points[2];
GdkRectangle r;
g_assert (y_index > 0);
g_assert (y_index <= n_rows);
in_points[0].x = (rect->begin - self->begin_time) / range;
in_points[0].y = y_index / (gfloat)n_rows;
in_points[0].y = (y_index - 1) / (gdouble)n_rows;
in_points[1].x = (rect->end - self->begin_time) / range;
in_points[1].y = y_index / (gfloat)n_rows + 1;
in_points[1].y = 0;
sp_visualizer_row_translate_points (SP_VISUALIZER_ROW (row),
in_points, G_N_ELEMENTS (in_points),
out_points, G_N_ELEMENTS (out_points));
r.height = alloc.height / (gdouble)n_rows;
r.x = out_points[0].x;
r.y = out_points[0].y;
r.height = out_points[1].y - out_points[0].y;
r.y = out_points[0].y - r.height;
if (rect->end == rect->begin)
if (rect->end <= rect->begin)
r.width = 1;
else
r.width = MAX (1, out_points[1].x - out_points[0].x);
rect->area = r;
gdk_cairo_rectangle (cr, &r);
}
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_fill (cr);
}