Add a MultiLineStringRenderer (can handle \n)

triditko/renderers.py

@@ -12,3 +12,26 @@ class DrawItemNameRenderer(Renderer):
 		result.blit(rendered, pos)
 		return result
 
+class MultiLineStringRenderer(Renderer):
+	def __init__(self, linespacing=1.5, fontsize=25):
+		self.linespacing = linespacing
+		self.font_size = fontsize
+
+	def render(self, string, w, h):
+		print(string)
+		result = pg.Surface((w, h))
+		font = pgft.Font(None, size=self.font_size)
+		# This is a complete typographical blasphemy. We are going to space
+		# text by its centers, not baselines.
+		
+		lines = string.split('\n')
+		n = len(lines)
+		for i, line in enumerate(lines):
+			rendered, _brect = font.render(line, fgcolor=(255,255,255)) #white.
+			cpos = align(result, rendered)
+			x, cy = cpos
+			y = cy - (n-2*i-1)*self.linespacing*self.font_size//2
+			pos = x, y
+			print(pos)
+			result.blit(rendered, pos)
+		return result