css+js实现图片手绘svg置换效果编辑器代码-html代码-BFW代码库

代码语言：html

所属分类：其他

代码描述：css+js实现一个图片手绘svg置换效果编辑器代码，左侧鼠标绘制置换图，右侧就能看到实时的图片置换效果。

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en" >

<head>
  <meta charset="UTF-8">
  
  
  
  
  
<style>
/* Reset and Basic Styles */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 20px;
  background-color: #1e1e1e;
  color: #ffffff;
  font-family: Arial, sans-serif;
}

h2 {
  text-align: center;
  margin-bottom: 10px;
}

/* Container for both panels */
.container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

/* Panel Styles */
.panel {
  background-color: #2e2e2e;
  padding: 20px;
  border-radius: 10px;
  flex: 1 1 500px;
  max-width: 600px;
}

.left-panel, .right-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Canvas Styles */
#drawing-canvas {
  border: 2px solid #555;
  border-radius: 10px;
  background-color: #808080; /* Default gray background */
  cursor: crosshair;
}

/* Preview Image Styles */
.preview-container {
  width: 500px;
  height: 500px;
  overflow: hidden;
  border: 2px solid #555;
  border-radius: 10px;
  background-color: #000;
}

#preview-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: url(#displacementFilter);
}

/* Controls Styles */
.controls {
  margin-top: 20px;
  width: 100%;
}

.control-group {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.control-group label {
  margin-right: 10px;
  flex: 1 1 150px;
}

.control-group input[type="range"] {
  flex: 2 1 200px;
}

.color-btn, .noise-btn {
  width: 30px;
  height: 30px;
  border: none;
  margin-right: 5px;
  cursor: pointer;
  border-radius: 5px;
}

.color-btn.active, .noise-btn.active {
  border: 2px solid #ffffff;
}

#custom-color {
  width: 40px;
  height: 30px;
  border: none;
  cursor: pointer;
}

.noise-btn {
  width: auto;
  padding: 5px 10px;
  margin-right: 5px;
  background-color: #555;
  color: #fff;
  border-radius: 5px;
}

.noise-btn:hover, .noise-btn.active {
  background-color: #777;
}

/* Button Styles */
button {
  padding: 10px 20px;
  background-color: #555;
  border: none;
  border-radius: 5px;
  color: #fff;
  cursor: pointer;
  transition: background-color 0.3s;
  margin-right: 10px;
}

button:hover {
  background-color: #777;
}

button:active {
  background-color: #999;
}

/* Responsive Adjustments */
@media (max-width: 1200px) {
  .preview-container, #drawing-canvas {
    width: 400px;
    height: 400px;
  }
}

@media (max-width: 800px) {
  .preview-container, #drawing-canvas {
    width: 300px;
    height: 300px;
  }
}
</style>


</head>
<body>
  <div class="container">
    <!-- Left Panel: Drawing Canvas and Controls -->
    <div class="panel left-panel">
      <h2>Create Displacement Map</h2>
      <canvas id="drawing-canvas" width="500" height="500"></canvas>
      <div class="controls">
        <!-- Brush Controls -->
        <div class="control-group">
          <label>Brush Color:</label>
          <button class="color-btn" data-color="#FF0000" style="background-color: #FF0000;"></button>
          <button class="color-btn" data-color="#00FF00" style="background-color: #00FF00;"></button>
          <button class="color-btn" data-color="#0000FF" style="background-color: #0000FF;"></button>
          <button class="color-btn" data-color="#808080" style="background-color: #808080;"></button>
          <input type="color" id="custom-color" value="#FFFFFF" title="Custom Color">
        </div>
        <div class="control-group">
          <label for="brush-size">Brush Size: <span id="brush-size-value">10</span>px</label>
          <input type="range" id="brush-size" min="1" max="50" value="10">
        </div>
        <div class="control-group">
          <label for="brush-opacity">Opacity: <span id="brush-opacity-value">1.0</span></label>
          <input type="range" id="brush-opacity" min="0.1" max="1" step="0.1" value="1">
        </div>

        <!-- Noise Generation Controls -->
        <div class="control-group">
          <label>Generate Noise:</label>
          <button class="noise-btn" data-noise="fractal">Fractal Noise</button>
          <button class="noise-btn" data-noise="turbulence">Turbulence</button>
          <button class="noise-btn" data-noise="stripes">Stripes</button>
          <button class="noise-btn" data-noise="checkerboard">Checkerboard</button>
        </div>

        <!-- Overlay Control -->
        <div class="control-group">
          <label for="overlay-toggle">Overlay with Source Image:</label>
          <input type="checkbox" id="overlay-toggle">
        </div>

        <!-- Action Buttons -->
        <div class="control-group">
          <button id="reset-btn">Reset Canvas</button>
          <button id="download-btn">Download Displacement Map</button>
        </div>
      </div>
    </div>

    <!-- Right Panel: Displacement Effect Preview and Controls -->
    <div class="panel right-panel">
      <h2>Displacement Effect Preview</h2>
      <div class="preview-container">
        <img id="preview-image" src="//repo.bfw.wiki/bfwrepo/image/65c5688cec812.png" alt="Preview Image">
      </div>
      <div class="controls">
        <div class="control-group">
          <label for="displacement-scale">Displacement Scale: <span id="displacement-scale-value">20</span></label>
          <input type="range" id="displacement-scale" min="0" max="100" value="20">
        </div>
      </div>
    </div>
  </div>

  <!-- SVG Filter Definition -->
  <svg xmlns="http://www.w3.org/2000/svg" style="display: none;">
    <defs>
      <filter id="displacementFilter">
        <!-- feImage will be updated with the displacement map -->
        <feImage id="displacement-map" xlink:href="" result="displacementMap" />
        <feDisplacementMap in="SourceGraphic" in2="displacementMap" scale="20" xChannelSelector="R" yChannelSelector="G" />
      </filter>
    </defs>
  </svg>


  
      <script >
document.addEventListener('DOMContentLoaded', () => {
  // Canvas Setup
  const canvas = document.getElementById('drawing-canvas');
  const ctx = canvas.getContext('2d');

  // Initialize canvas with default gray background
  function initializeCanvas() {
    ctx.fillStyle = '#808080';
    ctx.fillRect(0, 0, canvas.width, canvas.height);
  }

  initializeCanvas();

  // Drawing State
  let drawing = false;
  let brushColor = '#FFFFFF';
  let brushSize = 10;
  let brushOpacity = 1.0;

  // Set up brush controls
  const colorButtons = document.querySelectorAll('.color-btn');
  const customColorPicker = document.getElementById('custom-color');
  const brushSizeSlider = document.getElementById('brush-size');
  const brushSizeValue = document.getElementById('brush-size-value');
  const brushOpacitySlider = document.getElementById('brush-opacity');
  const brushOpacityValue = document.getElementById('brush-opacity-value');
  const downloadBtn = document.getElementById('download-btn');
  const resetBtn = document.getElementById('reset-btn');
  const noiseButtons = document.querySelectorAll('.noise-btn');
  const overlayToggle = document.getElementById('overlay-toggle');

  // Handle color button clicks
  colorButtons.forEach(btn => {
    btn.addEve.........完整代码请登录后点击上方下载按钮下载查看