feat(capi): callbacks C embedders can render primitives#2

Merged

beetlebugorg merged 19 commits into

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feat/c-callbacks

Jul 8, 2026

Commits on Jul 7, 2026

feat(capi): callback Canvas so C embedders can render primitives themselves

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render: add VectorSurface — world-space portrayal over a C ABI

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render: draw symbols/soundings as atlas sprites over the C ABI

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render: tile area fill patterns via a draw_pattern callback

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render: declutter labels/symbols behind the VectorSurface

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render: draw complex-linestyle bricks at native size so they tile

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render: declutter text only, per S-52 (not symbols/soundings)

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render: cursor object-query (S-52 pick) over the C ABI

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docs: document the host-surface, object-query, and sprite-mln C APIs

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render: honor S-101 ColorFill transparency (fill areas)

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render: object query at the view zoom, with the SCAMIN cull

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sprite: SDF glyph atlas via stb_truetype (GPU text, phase 1)

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capi/vector: SDF glyph atlas export + draw_text_str (GPU text, phase 2)

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chart: live single-cell open (.cell) + M_COVR coverage C API

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chart: bake single cells to in-memory PMTiles + header/zoom opens

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chart: tile57_warmup() to pre-populate global registries for threaded hosts

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feat(capi): callbacks C embedders can render primitives#2

feat(capi): callbacks C embedders can render primitives#2
beetlebugorg merged 19 commits into
mainfrom
feat/c-callbacks

Commits on Jul 7, 2026

feat(capi): callback Canvas so C embedders can render primitives themselves

render: add VectorSurface — world-space portrayal over a C ABI

render: draw symbols/soundings as atlas sprites over the C ABI

render: tile area fill patterns via a draw_pattern callback

render: declutter labels/symbols behind the VectorSurface

render: draw complex-linestyle bricks at native size so they tile

render: declutter text only, per S-52 (not symbols/soundings)

render: cursor object-query (S-52 pick) over the C ABI

docs: document the host-surface, object-query, and sprite-mln C APIs

render: honor S-101 ColorFill transparency (fill areas)

render: object query at the view zoom, with the SCAMIN cull

sprite: SDF glyph atlas via stb_truetype (GPU text, phase 1)

capi/vector: SDF glyph atlas export + draw_text_str (GPU text, phase 2)

chart: live single-cell open (.cell) + M_COVR coverage C API

chart: bake single cells to in-memory PMTiles + header/zoom opens

chart: tile57_warmup() to pre-populate global registries for threaded hosts

Commits on Jul 8, 2026

chart: tile57_bake_cell_bytes for persisting a per-cell tile cache

render: tessellate complex linestyles at render time, display-scaled

render: declutter soundings (per-number) so HiDPI enlargement doesn't crowd them