114 lines
3.1 KiB
C#
114 lines
3.1 KiB
C#
using UnityEngine;
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using UnityEngine.UI;
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using System.IO;
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public class AdvancedImageBlender : MonoBehaviour
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{
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[Header("基础设置")]
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public Image imageA;
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public Image imageB;
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public Shader blendShader;
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[Header("颜色调整")]
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public Color colorA = Color.white;
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public Color colorB = Color.white;
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[Header("导出设置")]
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public string fileName = "ColorBlend_Result";
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public string savePath = "Exports";
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private Material blendMaterial;
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void Start()
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{
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// 自动初始化材质
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if (blendShader) blendMaterial = new Material(blendShader);
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}
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[ContextMenu("执行颜色混合导出")]
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public void ExecuteColorBlendExport()
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{
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if (blendShader) blendMaterial = new Material(blendShader);
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// 获取带颜色的纹理
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Texture2D texA = GetColoredTexture(imageA, colorA);
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Texture2D texB = GetColoredTexture(imageB, colorB);
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// 创建临时RenderTexture
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RenderTexture rt = CreateRenderTexture(texA);
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// 设置材质参数
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blendMaterial.SetTexture("_MainTex", texA);
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blendMaterial.SetTexture("_BlendTex", texB);
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blendMaterial.SetColor("_MainColor", colorA);
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blendMaterial.SetColor("_BlendColor", colorB);
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// 执行混合
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Graphics.Blit(null, rt, blendMaterial);
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// 保存结果
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SaveResult(rt);
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// 清理资源
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CleanupResources(texA, texB, rt);
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}
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Texture2D GetColoredTexture(Image image, Color color)
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{
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// 获取原始纹理
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Texture2D originTex = image.sprite.texture;
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// 创建临时纹理
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Texture2D coloredTex = new Texture2D(
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originTex.width,
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originTex.height,
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originTex.format,
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false
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);
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// 应用颜色
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Color[] pixels = originTex.GetPixels();
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for (int i = 0; i < pixels.Length; i++)
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{
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pixels[i] = pixels[i] * color;
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}
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coloredTex.SetPixels(pixels);
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coloredTex.Apply();
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return coloredTex;
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}
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RenderTexture CreateRenderTexture(Texture2D referenceTex)
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{
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return new RenderTexture(
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referenceTex.width,
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referenceTex.height,
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24,
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RenderTextureFormat.ARGB32
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);
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}
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void SaveResult(RenderTexture rt)
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{
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Texture2D output = new Texture2D(rt.width, rt.height, TextureFormat.ARGB32, false);
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RenderTexture.active = rt;
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output.ReadPixels(new Rect(0, 0, rt.width, rt.height), 0, 0);
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output.Apply();
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byte[] bytes = output.EncodeToPNG();
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string fullPath = Path.Combine(Application.streamingAssetsPath, savePath, fileName + ".png");
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Directory.CreateDirectory(Path.GetDirectoryName(fullPath));
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File.WriteAllBytes(fullPath, bytes);
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Debug.Log($"导出成功：{fullPath}");
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DestroyImmediate(output);
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}
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void CleanupResources(params UnityEngine.Object[] resources)
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{
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foreach (var obj in resources)
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{
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if (obj != null) DestroyImmediate(obj);
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}
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Resources.UnloadUnusedAssets();
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}
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} |