+ if (w < 1) w = 1;
+ return w;
+}
+
+gint RrMinHeight(RrAppearance *a)
+{
+ gint i;
+ gint l, t, r, b;
+ gint h = 0;
+
+ for (i = 0; i < a->textures; ++i) {
+ switch (a->texture[i].type) {
+ case RR_TEXTURE_NONE:
+ break;
+ case RR_TEXTURE_MASK:
+ h = MAX(h, a->texture[i].data.mask.mask->height);
+ break;
+ case RR_TEXTURE_TEXT:
+ h += MAX(h, RrFontHeight(a->texture[i].data.text.font,
+ a->texture[i].data.text.shadow_offset_y));
+ break;
+ case RR_TEXTURE_RGBA:
+ h += MAX(h, a->texture[i].data.rgba.height);
+ break;
+ case RR_TEXTURE_LINE_ART:
+ h += MAX(h, MAX(a->texture[i].data.lineart.y1,
+ a->texture[i].data.lineart.y2));
+ break;
+ }
+ }
+
+ RrMargins(a, &l, &t, &r, &b);
+
+ h += t + b;
+
+ if (h < 1) h = 1;
+ return h;
+}
+
+static void reverse_bits(gchar *c, gint n)
+{
+ gint i;
+ for (i = 0; i < n; i++, c++)
+ *c = (((*c * 0x0802UL & 0x22110UL) |
+ (*c * 0x8020UL & 0x88440UL)) * 0x10101UL) >> 16;