+ 增加 CaptchaImageConverter转换器，负责将生成的图片转换成自己想要的格式，比如加密转码等..

src/main/java/cloud/tianai/captcha/template/slider/OriginalSliderData.java

@@ -0,0 +1,40 @@
+package cloud.tianai.captcha.template.slider;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.awt.image.BufferedImage;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class OriginalSliderData {
+    /**
+     * x轴
+     */
+    private Integer x;
+    /**
+     * y轴
+     */
+    private Integer y;
+
+    /** 滑块要凹槽的百分比. */
+    private float xPercent;
+    /**
+     * 背景图
+     */
+    private BufferedImage backgroundImage;
+    /**
+     * 移动图
+     */
+    private BufferedImage sliderImage;
+    /**
+     * 生成参数
+     */
+    private GenerateParam generateParam;
+
+    public static OriginalSliderData of(Integer x, Integer y, float xPercent, BufferedImage backgroundImage, BufferedImage sliderImage, GenerateParam generateParam) {
+        return new OriginalSliderData(x, y, xPercent, backgroundImage, sliderImage, generateParam);
+    }
+}