#62, #63 graphics primatives and added display boxes to renderer

graphics/core.lua

@@ -0,0 +1,73 @@
+local core = {}
+
+local events = {}
+
+---@class monitor_touch
+---@field monitor string
+---@field x integer
+---@field y integer
+
+---@param monitor string
+---@param x integer
+---@param y integer
+---@return monitor_touch
+function events.touch(monitor, x, y)
+    return {
+        monitor = monitor,
+        x = x,
+        y = y
+    }
+end
+
+core.events = events
+
+local graphics = {}
+
+---@alias TEXT_ALIGN integer
+graphics.TEXT_ALIGN = {
+    LEFT = 1,
+    CENTER = 2,
+    RIGHT = 3
+}
+
+---@class graphics_frame
+---@field x integer
+---@field y integer
+---@field w integer
+---@field h integer
+
+---@param x integer
+---@param y integer
+---@param w integer
+---@param h integer
+---@return graphics_frame
+function graphics.gframe(x, y, w, h)
+    return {
+        x = x,
+        y = y,
+        w = w,
+        h = h
+    }
+end
+
+---@class cpair
+---@field fgd color
+---@field bkg color
+---@field blit_fgd string
+---@field blit_bkg string
+
+---@param foreground color
+---@param background color
+---@return cpair
+function graphics.cpair(foreground, background)
+    return {
+        fgd = foreground,
+        bkg = background,
+        blit_fgd = colors.toBlit(foreground),
+        blit_bkg = colors.toBlit(background)
+    }
+end
+
+core.graphics = graphics
+
+return core