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feat: rewrite most things, restructure API, extmarks, multi-window su…
…pport, auto-clear, ueberzug++
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| local utils = require("image/utils") | ||
| local renderer = require("image/renderer") | ||
|
|
||
| local next_numerical_id = 1 | ||
|
|
||
| ---@param path string | ||
| ---@param options? ImageOptions | ||
| ---@param state State | ||
| local create_image = function(path, options, state) | ||
| if options and options.id then | ||
| local existing_image = state.images[options.id] ---@type Image | ||
| if existing_image then return existing_image end | ||
| end | ||
|
|
||
| local opts = options or {} | ||
| local numerical_id = next_numerical_id | ||
| next_numerical_id = next_numerical_id + 1 | ||
|
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| ---@type Image | ||
| local instance = { | ||
| id = opts.id or utils.random.id(), | ||
| path = path, | ||
| window = opts.window or nil, | ||
| buffer = opts.buffer or nil, | ||
| geometry = { | ||
| x = opts.x or nil, | ||
| y = opts.y or nil, | ||
| width = opts.width or nil, | ||
| height = opts.height or nil, | ||
| }, | ||
| rendered_geometry = { | ||
| x = nil, | ||
| y = nil, | ||
| width = nil, | ||
| height = nil, | ||
| }, | ||
| with_virtual_padding = opts.with_virtual_padding or false, | ||
| } | ||
|
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| instance.get_dimensions = function() | ||
| return utils.png.get_dimensions(instance.path) | ||
| end | ||
|
|
||
| ---@param geometry? ImageGeometry | ||
| instance.render = function(geometry) | ||
| if geometry then instance.geometry = vim.tbl_deep_extend("force", instance.geometry, geometry) end | ||
|
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| local ok = renderer.render(instance, state) | ||
|
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| -- virtual padding | ||
| if ok and instance.buffer and instance.with_virtual_padding then | ||
| local row = instance.geometry.y - 1 | ||
| local width = instance.rendered_geometry.width or 1 | ||
| local height = instance.rendered_geometry.height or 1 | ||
|
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| -- remove same-row extmarks | ||
| -- local extmarks = | ||
| -- vim.api.nvim_buf_get_extmarks(instance.buffer, state.extmarks_namespace, 0, -1, { details = true }) | ||
| -- for _, extmark in ipairs(extmarks) do | ||
| -- local mark_id, mark_row, mark_col, mark_opts = unpack(extmark) | ||
| -- local virt_height = #(mark_opts.virt_lines or {}) | ||
| -- if mark_row == row then | ||
| -- if virt_height == height then return end | ||
| -- vim.api.nvim_buf_del_extmark(instance.buffer, state.extmarks_namespace, mark_id) | ||
| -- end | ||
| -- end | ||
|
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| local text = string.rep(" ", width) | ||
| local filler = {} | ||
| for _ = 0, height - 1 do | ||
| filler[#filler + 1] = { { text, "" } } | ||
| end | ||
| vim.api.nvim_buf_set_extmark(instance.buffer, state.extmarks_namespace, row, 0, { | ||
| id = numerical_id, | ||
| virt_lines = filler, | ||
| }) | ||
| end | ||
| end | ||
|
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| instance.clear = function() | ||
| state.backend.clear(instance.id) | ||
| utils.debug("extmark del", { id = numerical_id, buf = instance.buffer }) | ||
| vim.api.nvim_buf_del_extmark(instance.buffer, state.extmarks_namespace, numerical_id) | ||
| end | ||
|
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| return instance | ||
| end | ||
|
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| ---@param path string | ||
| ---@param options? ImageOptions | ||
| ---@param state State | ||
| local from_file = function(path, options, state) | ||
| return create_image(path, options, state) | ||
| end | ||
|
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||
| return { | ||
| from_file = from_file, | ||
| } |
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