Merge pull request #252 from HuntFeng/master

feat: added scale_factor for custom global scaling

lua/image/init.lua

@@ -31,6 +31,7 @@ local default_options = {
   max_height = nil,
   max_width_window_percentage = 100,
   max_height_window_percentage = 50,
+  scale_factor = 1.0,
   kitty_method = "normal",
   window_overlap_clear_enabled = false,
   window_overlap_clear_ft_ignore = { "cmp_menu", "cmp_docs", "scrollview", "scrollview_sign" },

lua/image/renderer.lua

@@ -11,8 +11,10 @@ local cache = {}
 local render = function(image)
   local state = image.global_state
   local term_size = utils.term.get_size()
-  local image_rows = math.floor(image.image_height / term_size.cell_height)
-  local image_columns = math.floor(image.image_width / term_size.cell_width)
+  local scale_factor = 1.0
+  if type(state.options.scale_factor) == "number" then scale_factor = state.options.scale_factor end
+  local image_rows = math.floor(image.image_height / term_size.cell_height * scale_factor)
+  local image_columns = math.floor(image.image_width / term_size.cell_width * scale_factor)
   local image_cache = cache[image.original_path] or { resized = {}, cropped = {} }
 
   -- utils.debug(("renderer.render() %s"):format(image.id), {

lua/types.lua

@@ -37,6 +37,7 @@
 ---@field max_height? number
 ---@field max_width_window_percentage? number
 ---@field max_height_window_percentage? number
+---@field scale_factor? number
 ---@field kitty_method "normal"|"unicode-placeholders"
 ---@field window_overlap_clear_enabled? boolean
 ---@field window_overlap_clear_ft_ignore? string[]