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inspector: Make background width match fps number

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Previously, we drew the same width no matter how many digits the fps
number had, which left a lot of empty space.

But we can use some quite simple math to avoid that by just shrinking
the background by the width of the non-rendered glyphs.
This commit is contained in:
Benjamin Otte 2024-03-10 07:35:33 +01:00
parent cf8e3157a7
commit 5b83ffa4a0
1 changed files with 21 additions and 7 deletions
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28
gtk/inspector/fpsoverlay.c
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@ -202,23 +202,37 @@ gtk_fps_overlay_snapshot (GtkInspectorOverlay *overlay,
if (overlay_opacity < 1.0)
gtk_snapshot_push_opacity (snapshot, overlay_opacity);
gtk_snapshot_append_color (snapshot,
&(GdkRGBA) { 0, 0, 0, 0.5 },
&GRAPHENE_RECT_INIT (-1, -1, info->width + 2, info->height + 2));
fps = gtk_fps_overlay_get_fps (widget);
if (fps != 0.0)
{
GskRenderNode *fps_node;
char fps_string[40];
gboolean bg_drawn = FALSE;
float bg_x = 0;
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]))
info->glyphs->glyphs[i].glyph = info->digits->glyphs[fps_string[i] - '0'].glyph;
else if (fps_string[i] == ' ')
info->glyphs->glyphs[i].glyph = info->digits->glyphs[10].glyph;
if (fps_string[i] == ' ')
{
info->glyphs->glyphs[i].glyph = info->digits->glyphs[10].glyph;
bg_x += (float) info->glyphs->glyphs[i].geometry.width / PANGO_SCALE;
}
else
{
if (!bg_drawn)
{
gtk_snapshot_append_color (snapshot,
&(GdkRGBA) { 0, 0, 0, 0.5 },
&GRAPHENE_RECT_INIT (bg_x - 1, -1,
info->width + 2 - bg_x, info->height + 2));
bg_drawn = TRUE;
}
if (g_ascii_isdigit (fps_string[i]))
info->glyphs->glyphs[i].glyph = info->digits->glyphs[fps_string[i] - '0'].glyph;
}
}
fps_node = gsk_text_node_new (info->font,