Mercurial > hg > ascension / changeset

     1.1 --- a/src/ascension/text.h	Wed Nov 15 22:51:40 2023 +0100
     1.2 +++ b/src/ascension/text.h	Sun Nov 19 13:22:43 2023 +0100
     1.3 @@ -36,6 +36,7 @@
     1.4      asc_vec2i position;
     1.5      asc_vec2i dimension;
     1.6      unsigned tex_id;
     1.7 +    bool hidden;
     1.8  } AscTextNode;
     1.9  
    1.10  

     2.1 --- a/src/text.c	Wed Nov 15 22:51:40 2023 +0100
     2.2 +++ b/src/text.c	Sun Nov 19 13:22:43 2023 +0100
     2.3 @@ -38,6 +38,12 @@
     2.4          unsigned max_width,
     2.5          cxmutstr text) {
     2.6  
     2.7 +    // short circuit - if fully transparent, just hide it
     2.8 +    if (asc_context.ink.alpha == 0) {
     2.9 +        node->hidden = true;
    2.10 +        return;
    2.11 +    }
    2.12 +
    2.13      // Generate new texture, if required
    2.14      if (node->tex_id == 0) {
    2.15          glGenTextures(1, &node->tex_id);
    2.16 @@ -93,6 +99,8 @@
    2.17  }
    2.18  
    2.19  void asc_text_redraw(AscTextNode *node) {
    2.20 +    if (node->hidden) return;
    2.21 +
    2.22      if (node->tex_id == 0) {
    2.23          asc_error("Tried to redraw text node after destruction");
    2.24          return;