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README.md

@@ -1,3 +1,6 @@
 # open-JSD-8472
 
-JSD-8472 图片压缩函数
+JSD-8472 图片压缩函数\
+免责说明：该源码为第三方爱好者提供，不保证源码和方案的可靠性，也不提供任何形式的源码教学指导和协助！\
+仅作为开发者学习参考使用！禁止用于任何商业用途！\
+为保护开发者隐私，开发者信息已隐去！若原开发者希望公开自己的信息，可联系hugh处理。

plugin.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><plugin>
+    <id>com.fr.plugin.third.party.jsdiehc</id>
+    <name><![CDATA[图片压缩函数]]></name>
+    <active>yes</active>
+    <version>0.2</version>
+    <env-version>10.0</env-version>
+    <jartime>2019-01-01</jartime>
+    <vendor>fr.open</vendor>
+    <description><![CDATA[
+     图片压缩函数
+	 ]]></description>
+    <change-notes><![CDATA[
+    ]]></change-notes>
+    <extra-core>
+        <FunctionDefineProvider class="com.fr.plugin.third.party.jsdiehc.function.ImageCompressionScaleFunction" name="IMAGE_COMPRESSION_SCALE" description="图片压缩函数。IMAGE_COMPRESSION_SCALE(image, [quality]),image:图片对象;quality:压缩质量率,值为0至1,1或0为不压缩"/>
+    </extra-core>
+    <function-recorder class="com.fr.plugin.third.party.jsdiehc.function.ImageCompressionScaleFunction"/>
+</plugin>

src/main/java/com/fr/plugin/third/party/jsdiehc/function/ImageAttachment.java

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+package com.fr.plugin.third.party.jsdiehc.function;
+
+import com.fr.cache.Attachment;
+import com.fr.cache.AttachmentFileBase;
+import com.fr.cache.type.AttachmentScope;
+
+public class ImageAttachment extends Attachment {
+    public ImageAttachment()
+    {
+        super("", "", "", null);
+    }
+
+    private byte[] imageBytes;
+
+    public ImageAttachment(String s, String s1, String s2, AttachmentFileBase attachmentFileBase, int i, int i1, AttachmentScope attachmentScope) {
+        super(s, s1, s2, attachmentFileBase, i, i1, attachmentScope);
+    }
+
+    public ImageAttachment(String s, String s1, String s2, AttachmentFileBase attachmentFileBase, int i, int i1) {
+        super(s, s1, s2, attachmentFileBase, i, i1);
+    }
+
+    public ImageAttachment(String s, String s1, String s2, AttachmentFileBase attachmentFileBase, AttachmentScope attachmentScope) {
+        super(s, s1, s2, attachmentFileBase, attachmentScope);
+    }
+
+    public ImageAttachment(String s, String s1, String s2, AttachmentFileBase attachmentFileBase) {
+        super(s, s1, s2, attachmentFileBase);
+    }
+
+
+    public byte[] getBytes() {
+        return this.imageBytes;
+    }
+
+    public byte[] getImageBytes() {
+        return imageBytes;
+    }
+
+    public void setImageBytes(byte[] bytes) {
+        this.imageBytes = bytes;
+    }
+}

src/main/java/com/fr/plugin/third/party/jsdiehc/function/ImageCompressionScaleFunction.java

@@ -0,0 +1,113 @@
+package com.fr.plugin.third.party.jsdiehc.function;
+
+import com.fanruan.api.log.LogKit;
+import com.fanruan.api.util.StringKit;
+import com.fr.cache.Attachment;
+import com.fr.general.FArray;
+import com.fr.intelli.record.Focus;
+import com.fr.intelli.record.Original;
+import com.fr.plugin.context.PluginContexts;
+import com.fr.record.analyzer.EnableMetrics;
+import com.fr.script.AbstractFunction;
+import com.fr.stable.Primitive;
+import com.fr.stable.fun.Authorize;
+import net.coobird.thumbnailator.Thumbnails;
+
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+
+/**
+ * 图片压缩缩放函数<br/>
+ * IMAGE_COMPRESSION_SCALE(image, [quality], [scale])<br/>
+ * 参数:<br/>
+ * image:图片对象<br/>
+ * quality:压缩质量<br/>
+ * scale:缩放比例
+ */
+@Authorize(callSignKey = "com.fr.plugin.third.party.jsdiehc")
+@EnableMetrics
+public class ImageCompressionScaleFunction extends AbstractFunction {
+
+    @Focus(id = "com.fr.plugin.third.party.jsdiehc", text = "plugin-jsdiehc", source = Original.PLUGIN)
+    public Object run(Object[] args) {
+        if (!PluginContexts.currentContext().isAvailable()) {
+            LogKit.error("图片压缩函数许可证过期");
+            return Primitive.ERROR_VALUE;
+        }
+
+        if ((args == null) || (args.length <= 0)) {
+            return Primitive.ERROR_VALUE;
+        }
+
+        if (args.length <= 1) {
+            return args;
+        }
+        Object obj = args[0];
+        if (obj == null) {
+            return Primitive.ERROR_VALUE;
+        }
+
+        Object obj1 = args[1];
+        if (obj1 == null) {
+            return Primitive.ERROR_VALUE;
+        }
+
+        try {
+            float quality = Float.valueOf(String.valueOf(obj1));
+            if (!(obj instanceof FArray)) {
+                return compressImage(obj, quality);
+            }
+
+            FArray objArray = (FArray) obj;
+            FArray newArray = new FArray();
+            if (objArray.length() <= 0) {
+                return obj;
+            }
+            Object tempObj, compressObj;
+            for (int i = 0, max = objArray.length() - 1; i <= max; i++) {
+                tempObj = objArray.elementAt(i);
+                compressObj = compressImage(tempObj, quality);
+                newArray.add(compressObj);
+            }
+            return newArray;
+        } catch (Exception e) {
+            LogKit.error("jsdiehc图片压缩函数出错," + e.getMessage(), e);
+            return Primitive.ERROR_VALUE;
+        }
+    }
+
+    private Object compressImage(Object obj, float quality) throws IOException {
+        if (obj == null) {
+            return null;
+        }
+
+        if ((quality < 0) || (quality >= 1)) {
+            quality = 1;
+        }
+
+        if (obj instanceof BufferedImage) {
+            BufferedImage inputBufferedImage = (BufferedImage) obj;
+            BufferedImage outBufferedImage = Thumbnails.of(inputBufferedImage).scale(1).outputQuality(quality).asBufferedImage();
+            return outBufferedImage;
+        }
+
+        if (!(obj instanceof Attachment)) {
+            return obj;
+        }
+        Attachment attachment = (Attachment) obj;
+        if (!StringKit.equalsIgnoreCase(attachment.getType(), "image")) {
+            return obj;
+        }
+
+        InputStream inputStream = attachment.getInputStream();
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        Thumbnails.of(inputStream).scale(1).outputQuality(quality).toOutputStream(outputStream);
+        ImageAttachment imageAttachment = new ImageAttachment();
+        imageAttachment.setImageBytes(outputStream.toByteArray());
+        return imageAttachment;
+    }
+
+}