feat(infographic): upload PNG instead of SVG for better compatibility

- Convert SVG to PNG using canvas before uploading
- 2x scale for higher quality output
- Fix Word export compatibility issue (SVG not supported by python-docx)
- Update version to 1.4.1
- Update README.md and README_CN.md with new feature
This commit is contained in:
fujie
2026-01-07 21:23:49 +08:00
parent 961c1cbca6
commit cf86012d4d
6 changed files with 84 additions and 24 deletions

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@@ -33,7 +33,7 @@ Actions are interactive plugins that:
Transform text into professional infographics using AntV visualization engine with various templates.
**Version:** 1.4.0
**Version:** 1.4.1
[:octicons-arrow-right-24: Documentation](smart-infographic.md)

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@@ -33,7 +33,7 @@ Actions 是交互式插件,能够:
使用 AntV 可视化引擎,将文本转成专业的信息图。
**版本:** 1.4.0
**版本:** 1.4.1
[:octicons-arrow-right-24: 查看文档](smart-infographic.md)

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@@ -1,15 +1,18 @@
# 📊 Smart Infographic (AntV)
**Author:** [Fu-Jie](https://github.com/Fu-Jie) | **Version:** 1.4.0 | **Project:** [Awesome OpenWebUI](https://github.com/Fu-Jie/awesome-openwebui)
**Author:** [Fu-Jie](https://github.com/Fu-Jie) | **Version:** 1.4.1 | **Project:** [Awesome OpenWebUI](https://github.com/Fu-Jie/awesome-openwebui)
An Open WebUI plugin powered by the AntV Infographic engine. It transforms long text into professional, beautiful infographics with a single click.
## 🔥 What's New in v1.4.0
## 🔥 What's New in v1.4.1
-**Default Mode Change**: Default output mode is now `image` (static image) for better compatibility and cleaner chat history.
- **New Image Output Mode**: Support embedding infographics as static images (SVG).
-**PNG Upload**: Infographics now upload as PNG format for better Word export compatibility.
- 🔧 **Canvas Conversion**: Uses browser canvas for high-quality SVG to PNG conversion (2x scale).
### Previous: v1.4.0
-**Default Mode Change**: Default output mode is now `image` (static image) for better compatibility.
- 📱 **Responsive Sizing**: Images now auto-adapt to the chat container width.
- 🔧 **New Configuration**: `OUTPUT_MODE` valve to control output format.
## ✨ Key Features

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@@ -1,15 +1,18 @@
# 📊 智能信息图 (AntV Infographic)
**作者:** [jeff](https://github.com/Fu-Jie) | **版本:** 1.4.0 | **项目:** [Awesome OpenWebUI](https://github.com/Fu-Jie/awesome-openwebui)
**Author:** [Fu-Jie](https://github.com/Fu-Jie) | **Version:** 1.4.1 | **Project:** [Awesome OpenWebUI](https://github.com/Fu-Jie/awesome-openwebui)
基于 AntV Infographic 引擎的 Open WebUI 插件,能够将长文本内容一键转换为专业、美观的信息图表。
## 🔥 v1.4.0 更新日志
## 🔥 v1.4.1 更新日志
-**默认模式变更**:默认输出模式调整为 `image`(静态图片),以获得更好的兼容性和更简洁的聊天记录
- **新增图片输出模式**:支持将信息图作为静态图片 (SVG) 嵌入
-**PNG 上传**:信息图现在以 PNG 格式上传,与 Word 导出完美兼容
- 🔧 **Canvas 转换**:使用浏览器 Canvas 高质量转换 SVG 为 PNG2倍缩放
### 此前: v1.4.0
-**默认模式变更**:默认输出模式调整为 `image`(静态图片)。
- 📱 **响应式尺寸**:图片模式下自动适应聊天容器宽度。
- 🔧 **新增配置项**`OUTPUT_MODE` 用于控制输出格式。
## ✨ 核心特性

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@@ -3,7 +3,7 @@ title: 📊 Smart Infographic (AntV)
author: jeff
author_url: https://github.com/Fu-Jie/awesome-openwebui
icon_url: data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNCIgaGVpZ2h0PSIyNCIgdmlld0JveD0iMCAwIDI0IDI0IiBmaWxsPSJub25lIiBzdHJva2U9ImN1cnJlbnRDb2xvciIgc3Ryb2tlLXdpZHRoPSIyIiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiPgogIDxsaW5lIHgxPSIxMiIgeTE9IjIwIiB4Mj0iMTIiIHkyPSIxMCIgLz4KICA8bGluZSB4MT0iMTgiIHkxPSIyMCIgeDI9IjE4IiB5Mj0iNCIgLz4KICA8bGluZSB4MT0iNiIgeTE9IjIwIiB4Mj0iNiIgeTI9IjE2IiAvPgo8L3N2Zz4=
version: 1.4.0
version: 1.4.1
description: AI-powered infographic generator based on AntV Infographic. Supports professional templates, auto-icon matching, and SVG/PNG downloads.
"""
@@ -1128,12 +1128,39 @@ class Action:
// Cleanup container
document.body.removeChild(container);
// Convert SVG string to Blob
const blob = new Blob([svgData], {{ type: 'image/svg+xml' }});
const file = new File([blob], `infographic-${{uniqueId}}.svg`, {{ type: 'image/svg+xml' }});
// Convert SVG to PNG using canvas for better compatibility
console.log("[Infographic Image] Converting SVG to PNG...");
const pngBlob = await new Promise((resolve, reject) => {{
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
const scale = 2; // Higher resolution for clarity
canvas.width = Math.round(width * scale);
canvas.height = Math.round(height * scale);
// Fill white background
ctx.fillStyle = '#ffffff';
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.scale(scale, scale);
const img = new Image();
img.onload = () => {{
ctx.drawImage(img, 0, 0, width, height);
canvas.toBlob((blob) => {{
if (blob) {{
resolve(blob);
}} else {{
reject(new Error('Canvas toBlob failed'));
}}
}}, 'image/png');
}};
img.onerror = (e) => reject(new Error('Failed to load SVG as image: ' + e));
img.src = 'data:image/svg+xml;base64,' + btoa(unescape(encodeURIComponent(svgData)));
}});
const file = new File([pngBlob], `infographic-${{uniqueId}}.png`, {{ type: 'image/png' }});
// Upload file to OpenWebUI API
console.log("[Infographic Image] Uploading SVG file...");
console.log("[Infographic Image] Uploading PNG file...");
const token = localStorage.getItem("token");
const formData = new FormData();
formData.append('file', file);
@@ -1154,7 +1181,7 @@ class Action:
const fileId = fileData.id;
const imageUrl = `/api/v1/files/${{fileId}}/content`;
console.log("[Infographic Image] File uploaded, ID:", fileId);
console.log("[Infographic Image] PNG file uploaded, ID:", fileId);
// Generate markdown image with file URL
const markdownImage = `![📊 Infographic](${{imageUrl}})`;

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@@ -3,7 +3,7 @@ title: 📊 智能信息图 (AntV Infographic)
author: jeff
author_url: https://github.com/Fu-Jie/awesome-openwebui
icon_url: data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNCIgaGVpZ2h0PSIyNCIgdmlld0JveD0iMCAwIDI0IDI0IiBmaWxsPSJub25lIiBzdHJva2U9ImN1cnJlbnRDb2xvciIgc3Ryb2tlLXdpZHRoPSIyIiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiPgogIDxsaW5lIHgxPSIxMiIgeTE9IjIwIiB4Mj0iMTIiIHkyPSIxMCIgLz4KICA8bGluZSB4MT0iMTgiIHkxPSIyMCIgeDI9IjE4IiB5Mj0iNCIgLz4KICA8bGluZSB4MT0iNiIgeTE9IjIwIiB4Mj0iNiIgeTI9IjE2IiAvPgo8L3N2Zz4=
version: 1.4.0
version: 1.4.1
description: 基于 AntV Infographic 的智能信息图生成插件。支持多种专业模板,自动图标匹配,并提供 SVG/PNG 下载功能。
"""
@@ -1189,12 +1189,39 @@ class Action:
// 清理容器
document.body.removeChild(container);
// 将 SVG 字符串转换为 Blob
const blob = new Blob([svgData], {{ type: 'image/svg+xml' }});
const file = new File([blob], `infographic-${{uniqueId}}.svg`, {{ type: 'image/svg+xml' }});
// 使用 canvas 将 SVG 转换为 PNG 以提高兼容性
console.log("[Infographic Image] 正在将 SVG 转换为 PNG...");
const pngBlob = await new Promise((resolve, reject) => {{
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
const scale = 2; // 更高分辨率以提高清晰度
canvas.width = Math.round(width * scale);
canvas.height = Math.round(height * scale);
// 填充白色背景
ctx.fillStyle = '#ffffff';
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.scale(scale, scale);
const img = new Image();
img.onload = () => {{
ctx.drawImage(img, 0, 0, width, height);
canvas.toBlob((blob) => {{
if (blob) {{
resolve(blob);
}} else {{
reject(new Error('Canvas toBlob 失败'));
}}
}}, 'image/png');
}};
img.onerror = (e) => reject(new Error('加载 SVG 图片失败: ' + e));
img.src = 'data:image/svg+xml;base64,' + btoa(unescape(encodeURIComponent(svgData)));
}});
const file = new File([pngBlob], `infographic-${{uniqueId}}.png`, {{ type: 'image/png' }});
// 上传文件到 OpenWebUI API
console.log("[Infographic Image] 上传 SVG 文件...");
console.log("[Infographic Image] 上传 PNG 文件...");
const token = localStorage.getItem("token");
const formData = new FormData();
formData.append('file', file);
@@ -1215,7 +1242,7 @@ class Action:
const fileId = fileData.id;
const imageUrl = `/api/v1/files/${{fileId}}/content`;
console.log("[Infographic Image] 文件已上传, ID:", fileId);
console.log("[Infographic Image] PNG 文件已上传, ID:", fileId);
// 生成带文件 URL 的 markdown 图片
const markdownImage = `![📊 信息图](${{imageUrl}})`;