From 17d75bd3369d699186fe4a24f1f22ba1a869ac32 Mon Sep 17 00:00:00 2001
From: TonyCrane <975062472@qq.com>
Date: Tue, 15 Jun 2021 18:14:06 +0800
Subject: [PATCH 1/2] Fixed the size of Text on different machines

---
 manimlib/mobject/svg/text_mobject.py | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/manimlib/mobject/svg/text_mobject.py b/manimlib/mobject/svg/text_mobject.py
index e0161f23..635e6f74 100644
--- a/manimlib/mobject/svg/text_mobject.py
+++ b/manimlib/mobject/svg/text_mobject.py
@@ -10,15 +10,14 @@ import manimpango
 from manimlib.constants import *
 from manimlib.mobject.geometry import Dot
 from manimlib.mobject.svg.svg_mobject import SVGMobject
+from manimlib.mobject.svg.tex_mobject import TexText
 from manimlib.mobject.types.vectorized_mobject import VGroup
 from manimlib.utils.config_ops import digest_config
 from manimlib.utils.customization import get_customization
-from manimlib.utils.directories import get_downloads_dir, get_text_dir
+from manimlib.utils.directories import get_downloads_dir, get_text_dir, get_temp_dir
 from manimpango import PangoUtils
 from manimpango import TextSetting
 
-TEXT_MOB_SCALE_FACTOR = 0.001048
-
 
 class Text(SVGMobject):
     CONFIG = {
@@ -41,6 +40,7 @@ class Text(SVGMobject):
         "t2s": {},
         "t2w": {},
         "disable_ligatures": True,
+        "debug": False,
     }
 
     def __init__(self, text, **config):
@@ -66,8 +66,21 @@ class Text(SVGMobject):
             self.set_color_by_t2g()
 
         # anti-aliasing
-        if self.height is None:
-            self.scale(TEXT_MOB_SCALE_FACTOR * self.font_size)
+        if self.height is None and not self.debug:
+            self.load_scale_factor()
+            self.scale(self.scale_factor * self.font_size)
+    
+    def load_scale_factor(self):
+        factor_file = os.path.join(get_temp_dir(), "text_scale_factor.txt")
+        if os.path.exists(factor_file):
+            with open(factor_file, 'r') as f:
+                self.scale_factor = float(f.read())
+        else:
+            tex_height = TexText("b", font_size=1).get_height()
+            text_height = Text("b", font_size=1, debug=True).get_height()
+            self.scale_factor = tex_height / text_height
+            with open(factor_file, "w") as f:
+                f.write(str(self.scale_factor))
 
     def remove_empty_path(self, file_name):
         with open(file_name, 'r') as fpr:

From fec2306f9ad16c60c94fc5bd10e79bd6168e7ce1 Mon Sep 17 00:00:00 2001
From: TonyCrane <975062472@qq.com>
Date: Tue, 15 Jun 2021 19:16:30 +0800
Subject: [PATCH 2/2] update docs

---
 docs/source/development/changelog.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/source/development/changelog.rst b/docs/source/development/changelog.rst
index 573df074..5fe48f08 100644
--- a/docs/source/development/changelog.rst
+++ b/docs/source/development/changelog.rst
@@ -16,6 +16,7 @@ Fixed bugs
 - Fixed chaining animation in example scenes
 - Fixed the default color of tip
 - Fixed a typo in ``ShowPassingFlashWithThinningStrokeWidth``
+- Fixed the default size of ``Text``
 
 New Features
 ^^^^^^^^^^^^