From 378844cfbb2b7a1489a3344e2d6a996aa2aa53aa Mon Sep 17 00:00:00 2001 From: rxi Date: Thu, 30 Apr 2020 19:06:38 +0100 Subject: Added plugin `colorpreview` --- README.md | 1 + plugins/colorpreview.lua | 49 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 50 insertions(+) create mode 100644 plugins/colorpreview.lua diff --git a/README.md b/README.md index 244f6c5..b50dfc4 100644 --- a/README.md +++ b/README.md @@ -12,6 +12,7 @@ Plugin | Description -------|----------------------------------------- [`autowrap`](plugins/autowrap.lua?raw=1) | Automatically hardwraps lines when typing [`bracketmatch`](plugins/bracketmatch.lua?raw=1) | Underlines matching right-bracket of left-bracket under caret *([screenshot](https://user-images.githubusercontent.com/3920290/80132745-0c863f00-8594-11ea-8875-c455c6fd7eae.png))* +[`colorpreview`](plugins/colorpreview.lua?raw=1) | Underlays color values (eg. `#ff00ff` or `rgb(255, 0, 255)`) with their resultant color. *([screenshot](https://user-images.githubusercontent.com/3920290/80743752-731bd780-8b15-11ea-97d3-847db927c5dc.png))* [`drawwhitespace`](plugins/drawwhitespace.lua?raw=1) | Draws tabs and spaces *([screenshot](https://user-images.githubusercontent.com/3920290/80573013-22ae5800-89f7-11ea-9895-6362a1c0abc7.png))* [`eval`](plugins/eval.lua?raw=1) | Replaces selected Lua code with its evaluated result [`gofmt`](plugins/gofmt.lua?raw=1) | Auto-formats the current go file, adds the missing imports and the missing return cases diff --git a/plugins/colorpreview.lua b/plugins/colorpreview.lua new file mode 100644 index 0000000..8095f4e --- /dev/null +++ b/plugins/colorpreview.lua @@ -0,0 +1,49 @@ +local common = require "core.common" +local DocView = require "core.docview" + + +local white = { common.color "#ffffff" } +local black = { common.color "#000000" } +local tmp = {} + + +local function draw_color_previews(self, idx, x, y, ptn, base) + local text = self.doc.lines[idx] + local s, e = 0, 0 + + while true do + s, e = text:find(ptn, e + 1) + if not s then break end + + local str = text:sub(s, e) + local r, g, b = str:match(ptn) + r, g, b = tonumber(r, base), tonumber(g, base), tonumber(b, base) + + local x1 = x + self:get_col_x_offset(idx, s) + local x2 = x + self:get_col_x_offset(idx, e + 1) + local oy = self:get_line_text_y_offset() + + local text_color = math.max(r, g, b) < 128 and white or black + tmp[1], tmp[2], tmp[3], tmp[4] = r, g, b, nil + + local l1, _, l2, _ = self.doc:get_selection(true) + + if not (self.doc:has_selection() and idx >= l1 and idx <= l2) then + renderer.draw_rect(x1, y, x2 - x1, self:get_line_height(), tmp) + renderer.draw_text(self:get_font(), str, x1, y + oy, text_color) + else + tmp[4] = 58 + renderer.draw_rect(x1, y, x2 - x1, self:get_line_height(), tmp) + end + end +end + + +local draw_line_text = DocView.draw_line_text + +function DocView:draw_line_text(idx, x, y) + draw_line_text(self, idx, x, y) + draw_color_previews(self, idx, x, y, "#(%x%x)(%x%x)(%x%x)%f[%X]", 16) + draw_color_previews(self, idx, x, y, "rgba?%((%d+)%D+(%d+)%D+(%d+).-%)", 10) +end + -- cgit v1.2.3