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expand f_push_run_from_... to basing its tab-advance logic on what base column it is starting at - currently assume this is 0, basically doing the most naive tab alignment version that will work for leading spaces but for nothing else, and also assume 4-space tab width for now

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This commit is contained in:
Ryan Fleury
2024-05-24 14:40:07 -07:00
parent fd982d38fc
commit 5074b7f62e
4 changed files with 24 additions and 16 deletions
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src/font_cache/font_cache.c
+10 -1
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@@ -568,6 +568,7 @@ internal F_Run
f_push_run_from_string(Arena *arena, F_Tag tag, F32 size, F_RunFlags flags, String8 string)
{
ProfBeginFunction();
F32 base_column = 0.f;
//- rjf: map tag/size to style node
F_Hash2StyleRasterCacheNode *hash2style_node = f_hash2style_from_tag_size(tag, size);
@@ -788,6 +789,14 @@ f_push_run_from_string(Arena *arena, F_Tag tag, F32 size, F_RunFlags flags, Stri
}
}
// rjf: on tabs -> expand advance
F32 advance = info->advance;
if(is_tab)
{
F32 tab_width = 4.f;
advance *= tab_width - mod_f32(base_column, tab_width);
}
// rjf: push piece
{
F_Piece *piece = f_piece_chunk_list_push_new(arena, &piece_chunks, string.size);
@@ -797,7 +806,7 @@ f_push_run_from_string(Arena *arena, F_Tag tag, F32 size, F_RunFlags flags, Stri
info->subrect.y0,
info->subrect.x0 + info->raster_dim.x,
info->subrect.y0 + info->raster_dim.y);
piece->advance = info->advance;
piece->advance = advance;
piece->decode_size = piece_substring.size;
piece->offset = v2s16(0, -hash2style_node->ascent - 4);
}