add end addr text for each region

doc/example/report.md

@@ -1,6 +1,6 @@
 ![memory map diagram](report.png)
-|name|origin|size|remaining|
-|:-|:-|:-|:-|
-|<span style='color:lime'>dtb</span>|0x90|0x100|0x258|
-|<span style='color:seagreen'>kernel</span>|0x10|0x60|0x0|
-|<span style='color:turquoise'>rootfs</span>|0x70|0x10|0x10|
+|name|origin|size|remaining|collisions
+|:-|:-|:-|:-|:-|
+|<span style='color:navy'>dtb</span>|0x90|0x100|0x258|{}|
+|<span style='color:lime'>kernel</span>|0x10|0x60|0x0|{}|
+|<span style='color:lightskyblue'>rootfs</span>|0x70|0x10|0x10|{'kernel': '0x70'}|

mmdiagram/generator.py

@@ -69,12 +69,21 @@ def _create_diagram(self, region_list: List[mmdiagram.types.Region]):
 
             img_main.paste(region_img, (self._legend_width + region_offset, region.origin), region_img)
 
-            # add origin text for the region
-            text_img = PIL.Image.new("RGB", (30, 10), color=(255, 255, 0))
-            text_canvas = PIL.ImageDraw.Draw(text_img)
-            text_canvas.text((0, 0), str(region._origin), fill="black")
-            text_img = text_img.rotate(180)
-            img_main.paste(text_img, (0, region.origin))
+            text_font = PIL.ImageFont.load_default(8)
+            # add text for the region origin
+            origin_text_img = PIL.Image.new("RGB", (30, 10), color=(255, 255, 255))
+            origin_text_canvas = PIL.ImageDraw.Draw(origin_text_img)
+            origin_text_canvas.text((0, 0), region._origin, fill="black", font=text_font)
+            origin_text_img = origin_text_img.rotate(180)
+            # add text for the region end
+            endaddr = region.origin + region.size
+            endaddr_text_img = PIL.Image.new("RGB", (30, 10), color=(255, 255, 255))
+            endaddr_text_canvas = PIL.ImageDraw.Draw(endaddr_text_img)
+            endaddr_text_canvas.text((0, 0), hex(endaddr), fill="black", font=text_font)
+            endaddr_text_img = endaddr_text_img.rotate(180)
+
+            img_main.paste(endaddr_text_img, (0, endaddr - 6))
+            img_main.paste(origin_text_img, (0, region.origin - 4))
 
         # horizontal flip and write to file
         img_main = img_main.rotate(180)