From ff5c511eca98b2eb0d22559524062a0f88486aae Mon Sep 17 00:00:00 2001
From: 24kycj <1637269896@qq.com>
Date: Sat, 15 Nov 2025 15:42:26 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96bug?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 design1.html | 8 ++++++++
 design2.html | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/design1.html b/design1.html
index 8635afd..0fb5b87 100644
--- a/design1.html
+++ b/design1.html
@@ -677,11 +677,19 @@
                             }
                         }
                     }
+                    // 如果没有找到任何非透明像素，直接返回，不进行裁剪
+                    if (pix.x.length === 0 || pix.y.length === 0) {
+                        return;
+                    }
                     pix.x.sort(fn);
                     pix.y.sort(fn);
                     n = pix.x.length - 1;
                     w = pix.x[n] - pix.x[0];
                     h = pix.y[n] - pix.y[0];
+                    // 确保宽度和高度是有效的正数
+                    if (w <= 0 || h <= 0 || isNaN(w) || isNaN(h)) {
+                        return;
+                    }
                     var cut = ctx.getImageData(pix.x[0], pix.y[0], w, h);
                     canvas.width = w;
                     canvas.height = h;
diff --git a/design2.html b/design2.html
index 82e266a..1014524 100644
--- a/design2.html
+++ b/design2.html
@@ -649,11 +649,19 @@
                             }
                         }
                     }
+                    // 如果没有找到任何非透明像素，直接返回，不进行裁剪
+                    if (pix.x.length === 0 || pix.y.length === 0) {
+                        return;
+                    }
                     pix.x.sort(fn);
                     pix.y.sort(fn);
                     n = pix.x.length - 1;
                     w = pix.x[n] - pix.x[0];
                     h = pix.y[n] - pix.y[0];
+                    // 确保宽度和高度是有效的正数
+                    if (w <= 0 || h <= 0 || isNaN(w) || isNaN(h)) {
+                        return;
+                    }
                     var cut = ctx.getImageData(pix.x[0], pix.y[0], w, h);
                     canvas.width = w;
                     canvas.height = h;