Add padding to solve visual glitch

README.md

@@ -6,6 +6,7 @@
 - 添加了自动计算长宽的功能
   a. 长和宽均为-1，则直接从原图取得长宽数值
   b. 长、宽二者之一为-1，则从给定数值的边长计算出缩放倍率并等比缩放
+- 通过在四周增加2像素padding解决顶格的动态指针边缘出现黑线的问题
 
 注：
 - `ani2cape.py`不接受参数，直接运行即读取同目录下`config.py`内容，其中`Cursors`子项目`Path`属性使用相对路径时基于当前切换到的目录（而不是程序目录）

ani2cape.py

@@ -85,8 +85,8 @@ def main():
         cursorSetting = {
             'FrameCount': 1,
             'FrameDuration': cursorConfig['FrameDuration'],
-            'HotSpotX': cursorConfig['HotSpot'][0],
-            'HotSpotY': cursorConfig['HotSpot'][1],
+            'HotSpotX': cursorConfig['HotSpot'][0] + 2.0,
+            'HotSpotY': cursorConfig['HotSpot'][1] + 2.0,
             'Representations': []
         }
         hidpiRatio = 2 if capeConfig['HiDPI'] else 1
@@ -100,15 +100,17 @@ def main():
                 for frameIndex in range(len(res['msg'])):
                     b = io.BytesIO(res['msg'][frameIndex])
                     frame, (width, height) = readCUR(b, width, height)
-                    position = (0, int(width * frameIndex))
+                    position = (2, 2 + int((height + 4) * frameIndex))
                     if frameIndex == 0:
-                        spriteSheet = Image.new('RGBA', (int(width), int(height) * len(res['msg'])))
+                        spriteSheet = Image.new('RGBA', (int(width + 4), int(height + 4) * len(res['msg'])))
                     spriteSheet.paste(frame, position)
             else:
                 logging.info('尝试作为CUR读入')
-                spriteSheet, (width, height) = readCUR(f, width, height)
+                frame, (width, height) = readCUR(f, width, height)
+                spriteSheet = Image.new('RGBA', (int(width + 4), int(height + 4)))
+                spriteSheet.paste(frame, (2, 2))
             logging.info(f'目标尺寸：{width}x{height}@{hidpiRatio}x')
-            cursorSetting['PointsHigh'], cursorSetting['PointsWide'] = width, height
+            cursorSetting['PointsHigh'], cursorSetting['PointsWide'] = width + 4, height + 4
             for scale in (1, 2) if capeConfig['HiDPI'] else (1,):
                 byteBuffer = io.BytesIO()
                 scaleImage(spriteSheet, scale).save(byteBuffer, format='tiff', compression='tiff_lzw')