ant-design/components/watermark/demo/custom.tsx

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import React, { useMemo, useState } from 'react';
import { ColorPicker, Form, Input, InputNumber, Slider, Space, Typography, Watermark } from 'antd';
import type { Color } from 'antd/es/color-picker';
const { Paragraph } = Typography;
interface WatermarkConfig {
content: string;
color: string | Color;
fontSize: number;
zIndex: number;
rotate: number;
gap: [number, number];
offset?: [number, number];
}
const App: React.FC = () => {
const [form] = Form.useForm();
const [config, setConfig] = useState<WatermarkConfig>({
content: 'Ant Design',
color: 'rgba(0, 0, 0, 0.15)',
fontSize: 16,
zIndex: 11,
rotate: -22,
gap: [100, 100],
offset: undefined,
});
const { content, color, fontSize, zIndex, rotate, gap, offset } = config;
const watermarkProps = useMemo(
() => ({
content,
font: {
color: typeof color === 'string' ? color : color.toRgbString(),
fontSize,
},
zIndex,
rotate,
gap,
offset,
}),
[config],
);
return (
<div style={{ display: 'flex' }}>
<Watermark {...watermarkProps}>
<Typography>
<Paragraph>
The light-speed iteration of the digital world makes products more complex. However,
human consciousness and attention resources are limited. Facing this design
contradiction, the pursuit of natural interaction will be the consistent direction of
Ant Design.
</Paragraph>
<Paragraph>
Natural user cognition: According to cognitive psychology, about 80% of external
information is obtained through visual channels. The most important visual elements in
the interface design, including layout, colors, illustrations, icons, etc., should fully
absorb the laws of nature, thereby reducing the user&apos;s cognitive cost and bringing
authentic and smooth feelings. In some scenarios, opportunely adding other sensory
channels such as hearing, touch can create a richer and more natural product experience.
</Paragraph>
<Paragraph>
Natural user behavior: In the interaction with the system, the designer should fully
understand the relationship between users, system roles, and task objectives, and also
contextually organize system functions and services. At the same time, a series of
methods such as behavior analysis, artificial intelligence and sensors could be applied
to assist users to make effective decisions and reduce extra operations of users, to
save users&apos; mental and physical resources and make human-computer interaction more
natural.
</Paragraph>
</Typography>
<img
style={{
zIndex: 10,
width: '100%',
maxWidth: 800,
position: 'relative',
}}
src="https://gw.alipayobjects.com/mdn/rms_08e378/afts/img/A*zx7LTI_ECSAAAAAAAAAAAABkARQnAQ"
alt="示例图片"
/>
</Watermark>
<Form
style={{
width: 280,
flexShrink: 0,
borderLeft: '1px solid #eee',
paddingLeft: 20,
marginLeft: 20,
}}
form={form}
layout="vertical"
initialValues={config}
onValuesChange={(_, values) => {
setConfig(values);
}}
>
<Form.Item name="content" label="Content">
<Input placeholder="请输入" />
</Form.Item>
<Form.Item name="color" label="Color">
<ColorPicker />
</Form.Item>
<Form.Item name="fontSize" label="FontSize">
<Slider step={1} min={0} max={100} />
</Form.Item>
<Form.Item name="zIndex" label="zIndex">
<Slider step={1} min={0} max={100} />
</Form.Item>
<Form.Item name="rotate" label="Rotate">
<Slider step={1} min={-180} max={180} />
</Form.Item>
<Form.Item label="Gap" style={{ marginBottom: 0 }}>
<Space style={{ display: 'flex' }} align="baseline">
<Form.Item name={['gap', 0]}>
<InputNumber placeholder="gapX" style={{ width: '100%' }} />
</Form.Item>
<Form.Item name={['gap', 1]}>
<InputNumber placeholder="gapY" style={{ width: '100%' }} />
</Form.Item>
</Space>
</Form.Item>
<Form.Item label="Offset" style={{ marginBottom: 0 }}>
<Space style={{ display: 'flex' }} align="baseline">
<Form.Item name={['offset', 0]}>
<InputNumber placeholder="offsetLeft" style={{ width: '100%' }} />
</Form.Item>
<Form.Item name={['offset', 1]}>
<InputNumber placeholder="offsetTop" style={{ width: '100%' }} />
</Form.Item>
</Space>
</Form.Item>
</Form>
</div>
);
};
export default App;