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Some minor fpsoverlay improvements

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Avoid some allocations.
This commit is contained in:
Matthias Clasen 2023-11-01 14:45:57 -04:00
parent 3ade9ae184
commit 9a63172cf5
1 changed files with 24 additions and 29 deletions
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53
gtk/inspector/fpsoverlay.c
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@ -100,8 +100,6 @@ gtk_fps_overlay_snapshot (GtkInspectorOverlay *overlay,
graphene_rect_t bounds;
gboolean has_bounds;
double overlay_opacity;
PangoGlyphString *glyphs;
GskRenderNode *fps_node;
now = gdk_frame_clock_get_frame_time (gtk_widget_get_frame_clock (widget));
info = g_hash_table_lookup (self->infos, widget);
@ -149,27 +147,6 @@ gtk_fps_overlay_snapshot (GtkInspectorOverlay *overlay,
has_bounds = gtk_widget_compute_bounds (widget, widget, &bounds);
}
glyphs = pango_glyph_string_copy (self->glyphs);
fps = gtk_fps_overlay_get_fps (widget);
if (fps == 0.0)
{
for (int i = 0; i < 7; i++)
glyphs->glyphs[i].glyph = PANGO_GLYPH_EMPTY;
}
else
{
char *fps_string = g_strdup_printf ("%7.2f fps", fps);
for (int i = 0; i < 7; i++)
{
if (g_ascii_isdigit (fps_string[i]))
glyphs->glyphs[i].glyph = self->digits->glyphs[fps_string[i] - '0'].glyph;
else if (fps_string[i] == ' ')
glyphs->glyphs[i].glyph = PANGO_GLYPH_EMPTY;
}
g_free (fps_string);
}
gtk_snapshot_save (snapshot);
if (has_bounds)
gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (bounds.origin.x + bounds.size.width - self->width, bounds.origin.y));
@ -179,12 +156,30 @@ gtk_fps_overlay_snapshot (GtkInspectorOverlay *overlay,
gtk_snapshot_append_color (snapshot,
&(GdkRGBA) { 0, 0, 0, 0.5 },
&GRAPHENE_RECT_INIT (-1, -1, self->width + 2, self->height + 2));
fps_node = gsk_text_node_new (self->font,
glyphs,
&(GdkRGBA) { 1, 1, 1, 1 },
&GRAPHENE_POINT_INIT (0, self->baseline));
gtk_snapshot_append_node (snapshot, fps_node);
gsk_render_node_unref (fps_node);
fps = gtk_fps_overlay_get_fps (widget);
if (fps != 0.0)
{
GskRenderNode *fps_node;
char fps_string[40];
g_snprintf (fps_string, sizeof (fps_string), "%7.2f fps", fps);
for (int i = 0; i < 7; i++)
{
if (g_ascii_isdigit (fps_string[i]))
self->glyphs->glyphs[i].glyph = self->digits->glyphs[fps_string[i] - '0'].glyph;
else if (fps_string[i] == ' ')
self->glyphs->glyphs[i].glyph = PANGO_GLYPH_EMPTY;
}
fps_node = gsk_text_node_new (self->font,
self->glyphs,
&(GdkRGBA) { 1, 1, 1, 1 },
&GRAPHENE_POINT_INIT (0, self->baseline));
gtk_snapshot_append_node (snapshot, fps_node);
gsk_render_node_unref (fps_node);
}
if (overlay_opacity < 1.0)
gtk_snapshot_pop (snapshot);
gtk_snapshot_restore (snapshot);