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improvements in text layout, focus visualization, smooth text rasterization for icons; checkpoint in ui visuals pass

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This commit is contained in:
Ryan Fleury
2024-06-22 15:58:40 -07:00
parent 5f23820f9d
commit 6ac870dac0
11 changed files with 179 additions and 99 deletions
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src/font_cache/font_cache.c
+9 -4
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@@ -516,7 +516,7 @@ f_piece_array_copy(Arena *arena, F_PieceArray *src)
//~ rjf: Rasterization Cache
internal F_Hash2StyleRasterCacheNode *
f_hash2style_from_tag_size(F_Tag tag, F32 size)
f_hash2style_from_tag_size_flags(F_Tag tag, F32 size, F_RunFlags flags)
{
//- rjf: tag * size -> style hash
U64 style_hash = {0};
@@ -527,6 +527,7 @@ f_hash2style_from_tag_size(F_Tag tag, F32 size)
tag.u64[0],
tag.u64[1],
*(U64 *)(&size_f64),
(U64)flags,
};
style_hash = f_little_hash_from_string(str8((U8 *)buffer, sizeof(buffer)));
}
@@ -571,11 +572,12 @@ f_push_run_from_string(Arena *arena, F_Tag tag, F32 size, F32 base_align_px, F32
ProfBeginFunction();
//- rjf: map tag/size to style node
F_Hash2StyleRasterCacheNode *hash2style_node = f_hash2style_from_tag_size(tag, size);
F_Hash2StyleRasterCacheNode *hash2style_node = f_hash2style_from_tag_size_flags(tag, size, flags);
//- rjf: decode string & produce run pieces
F_PieceChunkList piece_chunks = {0};
Vec2F32 dim = {0};
F32 last_piece_end_pad = 0;
B32 font_handle_mapped_on_miss = 0;
FP_Handle font_handle = {0};
U64 piece_substring_start_idx = 0;
@@ -683,7 +685,7 @@ f_push_run_from_string(Arena *arena, F_Tag tag, F32 size, F32 base_align_px, F32
}
// rjf: call into font provider to rasterize this substring
FP_RasterResult raster = fp_raster(scratch.arena, font_handle, floor_f32(size), FP_RasterMode_Sharp, piece_substring);
FP_RasterResult raster = fp_raster(scratch.arena, font_handle, floor_f32(size), (flags & F_RunFlag_Smooth) ? FP_RasterMode_Smooth : FP_RasterMode_Sharp, piece_substring);
// rjf: allocate portion of an atlas to upload the rasterization
S16 chosen_atlas_num = 0;
@@ -759,6 +761,7 @@ f_push_run_from_string(Arena *arena, F_Tag tag, F32 size, F32 base_align_px, F32
if(info != 0)
{
info->subrect = chosen_atlas_region;
info->bounding_box = raster.bounding_box;
info->atlas_num = chosen_atlas_num;
info->raster_dim = raster.atlas_dim;
info->advance = raster.advance;
@@ -811,7 +814,8 @@ f_push_run_from_string(Arena *arena, F_Tag tag, F32 size, F32 base_align_px, F32
}
base_align_px += advance;
dim.x += piece->advance;
dim.y = Max(dim.y, dim_2s16(piece->subrect).y);
dim.y = Max(dim.y, info->raster_dim.y);
last_piece_end_pad = ((F32)piece->offset.x+(F32)dim_2s16(info->bounding_box).x) - piece->advance;
}
}
}
@@ -829,6 +833,7 @@ f_push_run_from_string(Arena *arena, F_Tag tag, F32 size, F32 base_align_px, F32
run.pieces = f_piece_array_from_chunk_list(arena, &piece_chunks);
}
run.dim = dim;
run.dim.x += last_piece_end_pad;
run.ascent = hash2style_node->ascent;
run.descent = hash2style_node->descent;
}