feat: 首页轮播动画

m-home/src/xlzx/java/com/yidianling/home/ui/transform/CircleCropTransform.java

+package com.yidianling.home.ui.transform;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.BitmapShader;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.util.DisplayMetrics;
+import android.util.TypedValue;
+
+import androidx.annotation.NonNull;
+
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
+
+import java.security.MessageDigest;
+
+import jp.wasabeef.glide.transformations.BitmapTransformation;
+
+public class CircleCropTransform extends BitmapTransformation {
+
+    private final Paint mBorderPaint;
+    private final float mBorderSize;
+
+    public CircleCropTransform() {
+        this(0, Color.TRANSPARENT);
+    }
+
+    @Override
+    protected Bitmap transform(@NonNull Context context, @NonNull BitmapPool pool, @NonNull Bitmap toTransform, int outWidth, int outHeight) {
+        return circleCrop(pool, toTransform);
+    }
+
+    /**
+     * @param borderSize  边框宽度(px)
+     * @param borderColor 边框颜色
+     */
+    public CircleCropTransform(float borderSize, int borderColor) {
+        this(TypedValue.COMPLEX_UNIT_PX, borderSize, borderColor);
+    }
+
+    /**
+     * @param unit        borderSize 单位
+     * @param borderSize  边框宽度(px)
+     * @param borderColor 边框颜色
+     */
+    public CircleCropTransform(int unit, float borderSize, int borderColor) {
+        DisplayMetrics displayMetrics = Resources.getSystem().getDisplayMetrics();
+        mBorderSize = TypedValue.applyDimension(unit, borderSize, displayMetrics);
+        mBorderPaint = new Paint();
+        mBorderPaint.setDither(true);
+        mBorderPaint.setAntiAlias(true);
+        mBorderPaint.setColor(borderColor);
+        mBorderPaint.setStyle(Paint.Style.STROKE);
+        mBorderPaint.setStrokeWidth(mBorderSize);
+    }
+
+    private Bitmap circleCrop(BitmapPool pool, Bitmap source) {
+        if (source == null) return null;
+
+        int size = (int) (Math.min(source.getWidth(), source.getHeight()) - (mBorderSize / 2));
+        int x = (source.getWidth() - size) / 2;
+        int y = (source.getHeight() - size) / 2;
+
+        Bitmap squared = Bitmap.createBitmap(source, x, y, size, size);
+        Bitmap result = pool.get(size, size, Bitmap.Config.ARGB_8888);
+        Canvas canvas = new Canvas(result);
+        Paint paint = new Paint();
+        paint.setShader(new BitmapShader(squared, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP));
+        paint.setAntiAlias(true);
+        float r = size / 2f;
+        canvas.drawCircle(r, r, r, paint);
+        if (mBorderPaint != null) {
+            float borderRadius = r - mBorderSize / 2;
+            canvas.drawCircle(r, r, borderRadius, mBorderPaint);
+        }
+        return result;
+    }
+
+    @Override
+    public void updateDiskCacheKey(@NonNull MessageDigest messageDigest) {
+
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        return 0;
+    }
+}

m-home/src/xlzx/java/com/yidianling/home/ui/view/LoopScrollAvatar.kt

@@ -4,6 +4,7 @@ import android.animation.Animator
 import android.animation.AnimatorListenerAdapter
 import android.app.Activity
 import android.content.Context
+import android.graphics.Color
 import android.os.Handler
 import android.os.Message
 import android.util.AttributeSet
@@ -11,7 +12,9 @@ import android.util.Log
 import android.widget.ImageView
 import android.widget.RelativeLayout
 import com.blankj.utilcode.util.SizeUtils
+import com.ydl.ydl_image.module.GlideApp
 import com.yidianling.home.R
+import com.yidianling.home.ui.transform.CircleCropTransform
 import java.lang.ref.WeakReference
 
 const val START_AVATAR_LOOP = 111
@@ -98,7 +101,7 @@ class LoopScrollAvatar @JvmOverloads constructor(
      * 创建圆形头像ImageView
      */
     private fun createImageView(): ImageView {
-        return XCRoundImageView(context)
+        return ImageView(context)
     }
 
     /**
@@ -114,9 +117,6 @@ class LoopScrollAvatar @JvmOverloads constructor(
         //当前已在屏幕显示的控件不要复用，防止params混乱
         ivCache.remove(iv)
 
-        iv.setImageResource(res[index])
-        iv.scaleType = ImageView.ScaleType.FIT_XY
-
         //图片资源全部播放完之后要从头重播
         index = (index + 1) % res.size
 
@@ -126,6 +126,9 @@ class LoopScrollAvatar @JvmOverloads constructor(
         iv.layoutParams = lp
 
         addView(iv)
+        //圆角带描边
+        GlideApp.with(this).load(res[index]).transform(CircleCropTransform(1f, Color.WHITE))
+            .into(iv)
     }
 
     /**

m-home/src/xlzx/java/com/yidianling/home/ui/view/XCRoundImageView.kt

-package com.yidianling.home.ui.view
-
-import android.annotation.SuppressLint
-import android.content.Context
-import android.graphics.*
-import android.graphics.drawable.BitmapDrawable
-import android.util.AttributeSet
-import androidx.appcompat.widget.AppCompatImageView
-
-/**
- * @author liupeng
- */
-class XCRoundImageView @JvmOverloads constructor(
-    context: Context,
-    attrs: AttributeSet? = null,
-    defStyle: Int = 0
-) : AppCompatImageView(
-    context, attrs, defStyle
-) {
-    private val paint: Paint = Paint()
-
-    /**
-     * 绘制圆形图片
-     * @author caizhiming
-     */
-    @SuppressLint("DrawAllocation")
-    override fun onDraw(canvas: Canvas) {
-        val drawable = drawable
-        if (null != drawable) {
-            val bitmap = (drawable as BitmapDrawable).bitmap
-            val b = getCircleBitmap(bitmap, 14)
-            val rectSrc = Rect(0, 0, b.width, b.height)
-            val rectDest = Rect(0, 0, width, height)
-            paint.reset()
-            canvas.drawBitmap(b, rectSrc, rectDest, paint)
-        } else {
-            super.onDraw(canvas)
-        }
-    }
-
-    /**
-     * 获取圆形图片方法
-     * @param bitmap
-     * @param pixels
-     * @return Bitmap
-     * @author caizhiming
-     */
-    private fun getCircleBitmap(bitmap: Bitmap, pixels: Int): Bitmap {
-        val output = Bitmap.createBitmap(
-            bitmap.width,
-            bitmap.height, Bitmap.Config.ARGB_8888
-        )
-        val canvas = Canvas(output)
-        val color = -0xbdbdbe
-        val rect = Rect(0, 0, bitmap.width, bitmap.height)
-        paint.isAntiAlias = true
-        canvas.drawARGB(0, 0, 0, 0)
-        paint.color = color
-        val x = bitmap.width
-        canvas.drawCircle((x / 2).toFloat(), (x / 2).toFloat(), (x / 2).toFloat(), paint)
-        paint.xfermode = PorterDuffXfermode(PorterDuff.Mode.SRC_IN)
-        canvas.drawBitmap(bitmap, rect, rect, paint)
-        return output
-    }
-
-}
\ No newline at end of file

m-home/src/xlzx/res/layout/home_button_banner_view.xml

@@ -62,7 +62,7 @@
                     android:src="@mipmap/home_banner_header1"
                     app:layout_constraintTop_toBottomOf="@id/homeModuleFirstDec"
                     app:layout_constraintLeft_toLeftOf="@id/homeModuleButtonBannerFirstTitle"
-                    android:layout_width="50dp"
+                    android:layout_width="45dp"
                     app:layout_constraintHorizontal_weight="1"
                     android:layout_height="20dp" />