添加loadBorderImage

BzCoder · Apr 19, 2019 · a68a461 · a68a461
1 parent ffa2a2b
commit a68a461
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Showing 5 changed files with 105 additions and 2 deletions.
diff --git a/LibEasyGlide/src/main/java/me/bzcoder/easyglide/EasyGlide.java b/LibEasyGlide/src/main/java/me/bzcoder/easyglide/EasyGlide.java
@@ -39,6 +39,7 @@
 import me.bzcoder.easyglide.progress.OnProgressListener;
 import me.bzcoder.easyglide.progress.ProgressManager;
 import me.bzcoder.easyglide.transformation.BlurTransformation;
+import me.bzcoder.easyglide.transformation.BorderTransformation;
 import me.bzcoder.easyglide.transformation.CircleWithBorderTransformation;
 import me.bzcoder.easyglide.transformation.GrayscaleTransformation;
 import me.bzcoder.easyglide.transformation.RoundedCornersTransformation;
@@ -199,6 +200,27 @@ public static void loadCircleWithBorderImage(Context context, String url, int bo
                         .build());
     }
 
+
+    public static void loadBorderImage(Context context, String url, ImageView imageView) {
+        loadBorderImage(context, url, 2, Color.parseColor("#ACACAC"), imageView, placeHolderImageView);
+    }
+
+    public static void loadBorderImage(Context context, String url, int borderWidth, @ColorInt int borderColor, ImageView imageView) {
+        loadBorderImage(context, url, borderWidth, borderColor, imageView, placeHolderImageView);
+    }
+
+    public static void loadBorderImage(Context context, String url, int borderWidth, @ColorInt int borderColor, ImageView imageView, @DrawableRes int placeHolder) {
+        loadImage(context,
+                GlideConfigImpl
+                        .builder()
+                        .url(url)
+                        .transformation(new BorderTransformation(borderWidth, borderColor))
+                        .isCrossFade(true)
+                        .errorPic(placeHolder)
+                        .placeholder(placeHolder)
+                        .imageView(imageView)
+                        .build());
+    }
     /**
      * 提供了一下如下变形类，支持叠加使用
      * BlurTransformation

diff --git a/LibEasyGlide/src/main/java/me/bzcoder/easyglide/transformation/BorderTransformation.java b/LibEasyGlide/src/main/java/me/bzcoder/easyglide/transformation/BorderTransformation.java
@@ -0,0 +1,72 @@
+package me.bzcoder.easyglide.transformation;
+
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.BitmapShader;
+import android.graphics.Canvas;
+import android.graphics.ColorMatrix;
+import android.graphics.ColorMatrixColorFilter;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.support.annotation.ColorInt;
+import android.support.annotation.NonNull;
+
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
+import com.bumptech.glide.load.resource.bitmap.BitmapTransformation;
+
+import java.security.MessageDigest;
+
+/**
+ * 带边框
+ *
+ * @author : BaoZhou
+ * @date : 2019/3/22 21:49
+ */
+public class BorderTransformation extends BitmapTransformation {
+    private Paint mBorderPaint;
+    private float mBorderWidth;
+    private final String ID = getClass().getName();
+
+
+    public BorderTransformation(int borderWidth, @ColorInt int borderColor) {
+        mBorderWidth = Resources.getSystem().getDisplayMetrics().density * borderWidth;
+        mBorderPaint = new Paint();
+        mBorderPaint.setDither(true);
+        mBorderPaint.setAntiAlias(true);
+        mBorderPaint.setColor(borderColor);
+        mBorderPaint.setStyle(Paint.Style.STROKE);
+        mBorderPaint.setStrokeWidth(mBorderWidth);
+    }
+
+    @Override
+    protected Bitmap transform(BitmapPool pool, Bitmap toTransform, int outWidth, int outHeight) {
+        if (toTransform == null) {
+            return null;
+        }
+        int width = toTransform.getWidth();
+        int height = toTransform.getHeight();
+
+        Bitmap bitmap = pool.get(width, height, Bitmap.Config.ARGB_8888);
+        if (bitmap == null) {
+            bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+        }
+        Canvas canvas = new Canvas(bitmap);
+        Paint paint = new Paint();
+
+        //绘制原图像
+        canvas.drawBitmap(toTransform, null, new Rect(0, 0, width, height), paint);
+
+        //描绘边框
+        paint.setAntiAlias(true);
+        if (mBorderPaint != null) {
+            canvas.drawRect(0 + mBorderWidth/2, 0 + mBorderWidth/2, width - mBorderWidth/2, height - mBorderWidth/2, mBorderPaint);
+        }
+        return bitmap;
+    }
+
+
+    @Override
+    public void updateDiskCacheKey(@NonNull MessageDigest messageDigest) {
+        messageDigest.update((ID + mBorderWidth * 10).getBytes(CHARSET));
+    }
+}
diff --git a/...ide/src/main/java/me/bzcoder/easyglide/transformation/CircleWithBorderTransformation.java b/...ide/src/main/java/me/bzcoder/easyglide/transformation/CircleWithBorderTransformation.java
@@ -15,7 +15,7 @@
 import java.security.MessageDigest;
 
 /**
- * 带边框的原型
+ * 带边框的圆形
  * @author : BaoZhou
  * @date : 2019/3/22 21:49
  */

diff --git a/app/src/main/java/me/bzcoder/sample/MainActivity.java b/app/src/main/java/me/bzcoder/sample/MainActivity.java
@@ -40,6 +40,7 @@ public class MainActivity extends AppCompatActivity {
     private ImageView iv10;
     private ImageView iv11;
     private ImageView iv12;
+    private ImageView iv13;
     private CircleProgressView circleProgressView;
 
     @Override
@@ -70,7 +71,7 @@ public void onClick(View v) {
         iv10 = (ImageView) findViewById(R.id.iv_10);
         iv11 = (ImageView) findViewById(R.id.iv_11);
         iv12 = (ImageView) findViewById(R.id.iv_12);
-
+        iv13 = (ImageView) findViewById(R.id.iv_13);
         EasyGlide.loadImage(this, url4, iv0, (isComplete, percentage, bytesRead, totalBytes) -> {
 //            if (isComplete) {
 //                circleProgressView.setVisibility(View.GONE);
@@ -122,6 +123,8 @@ public void onClick(View v) {
 
         EasyGlide.loadImage(this, R.drawable.test, iv11);
         EasyGlide.loadImage(this, "", iv12);
+
+        EasyGlide.loadBorderImage(this, url2, iv13);
     }
 
     private boolean hasStoragePermission() {

diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
@@ -112,6 +112,12 @@
             android:layout_width="200dp"
             android:layout_height="200dp"
             android:layout_marginBottom="15dp" />
+
+        <ImageView
+            android:id="@+id/iv_13"
+            android:layout_width="200dp"
+            android:layout_height="200dp"
+            android:layout_marginBottom="15dp" />
     </LinearLayout>
 
 </ScrollView>