/**
* Email [email protected]
* Edit androidStudio
* desc : 将图片转化为给类的特殊圆角图片
*/
public class GlideRoundedCornersTransform extends BitmapTransformation {
private float mRadius;
private CornerType mCornerType;
private static final int VERSION = 1;
private static final String ID = BuildConfig.APPLICATION_ID+"GlideRoundedCornersTransform." + VERSION;
private static final byte[] ID_BYTES = ID.getBytes(CHARSET);
public enum CornerType {
ALL,
TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT,
TOP, BOTTOM, LEFT, RIGHT,
TOP_LEFT_BOTTOM_RIGHT,
TOP_RIGHT_BOTTOM_LEFT,
TOP_LEFT_TOP_RIGHT_BOTTOM_RIGHT,
TOP_RIGHT_BOTTOM_RIGHT_BOTTOM_LEFT,
}
public GlideRoundedCornersTransform(float radius, CornerType cornerType) {
super();
mRadius = UiUtils.dp2px(radius);//dp ->px
mCornerType = cornerType;
}
@Override
protected Bitmap transform(BitmapPool pool, Bitmap toTransform, int outWidth, int outHeight) {
return roundCrop(pool, toTransform);
}
private Bitmap roundCrop(BitmapPool pool, Bitmap source) {
if (source == null) {
return null;
}
int width = source.getWidth();
int height = source.getHeight();
Bitmap result = pool.get(source.getWidth(), source.getHeight(), Bitmap.Config.ARGB_8888);
if (result == null) {
result = Bitmap.createBitmap(source.getWidth(), source.getHeight(), Bitmap.Config
.ARGB_8888);
}
Canvas canvas = new Canvas(result);
Paint paint = new Paint();
paint.setShader(new BitmapShader(source, BitmapShader.TileMode.CLAMP, BitmapShader
.TileMode.CLAMP));
paint.setAntiAlias(true);
Path path = new Path();
drawRoundRect(canvas, paint, path, width, height);
return result;
}
private void drawRoundRect(Canvas canvas, Paint paint, Path path, int width, int height) {
float[] rids ;
switch (mCornerType) {
case ALL:
rids = new float[]{mRadius,mRadius,mRadius,mRadius,mRadius,mRadius,mRadius,mRadius};
drawPath(rids,canvas, paint, path, width, height);
break;
case TOP_LEFT:
rids = new float[]{mRadius,mRadius,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f};
drawPath(rids,canvas, paint, path, width, height);
break;
case TOP_RIGHT:
rids = new float[]{0.0f,0.0f,mRadius,mRadius,0.0f,0.0f,0.0f,0.0f};
drawPath(rids,canvas, paint, path, width, height);
break;
case BOTTOM_RIGHT:
rids = new float[]{0.0f,0.0f,0.0f,0.0f,mRadius,mRadius,0.0f,0.0f};
drawPath(rids,canvas, paint, path, width, height);
break;
case BOTTOM_LEFT:
rids = new float[]{0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,mRadius,mRadius};
drawPath(rids,canvas, paint, path, width, height);
break;
case TOP:
rids = new float[]{mRadius,mRadius,mRadius,mRadius,0.0f,0.0f,0.0f,0.0f};
drawPath(rids,canvas, paint, path,width, height);
break;
case BOTTOM:
rids = new float[]{0.0f,0.0f,0.0f,0.0f,mRadius,mRadius,mRadius,mRadius};
drawPath(rids,canvas, paint, path, width, height);
break;
case LEFT:
rids = new float[]{mRadius,mRadius,0.0f,0.0f,0.0f,0.0f,mRadius,mRadius};
drawPath(rids,canvas, paint, path, width, height);
break;
case RIGHT:
rids = new float[]{0.0f,0.0f,mRadius,mRadius,mRadius,mRadius,0.0f,0.0f};
drawPath(rids,canvas, paint, path, width, height);
break;
case TOP_LEFT_BOTTOM_RIGHT:
rids = new float[]{mRadius,mRadius,0.0f,0.0f,mRadius,mRadius,0.0f,0.0f};
drawPath(rids,canvas, paint, path, width, height);
break;
case TOP_RIGHT_BOTTOM_LEFT:
rids = new float[]{0.0f,0.0f,mRadius,mRadius,0.0f,0.0f,mRadius,mRadius};
drawPath(rids,canvas, paint, path, width, height);
break;
case TOP_LEFT_TOP_RIGHT_BOTTOM_RIGHT:
rids = new float[]{mRadius,mRadius,mRadius,mRadius,mRadius,mRadius,0.0f,0.0f};
drawPath(rids,canvas, paint, path, width, height);
break;
case TOP_RIGHT_BOTTOM_RIGHT_BOTTOM_LEFT:
rids = new float[]{0.0f,0.0f,mRadius,mRadius,mRadius,mRadius,mRadius,mRadius};
drawPath(rids,canvas, paint, path,width, height);
break;
default:
throw new RuntimeException("RoundedCorners type not belong to CornerType");
}
}
/**@param rids 圆角的半径，依次为左上角xy半径，右上角，右下角，左下角*/
private void drawPath(float[] rids,Canvas canvas,Paint paint,Path path, int width, int height) {
path.addRoundRect(new RectF(0, 0, width, height), rids, Path.Direction.CW);
// canvas.clipPath(path);
canvas.drawPath(path,paint);
}
@Override
public boolean equals(Object o) {
return o instanceof GlideRoundedCornersTransform;
}
@Override
public int hashCode() {
return ID.hashCode();
}
@Override
public void updateDiskCacheKey(MessageDigest messageDigest) {
messageDigest.update(ID_BYTES);
}
}
//glide4.00 加载图片 代码施加圆角代码
RequestOptions requestOptions = new RequestOptions();
// requestOptions.circleCrop();
// requestOptions.optionalTransform(new CircleCrop());
// requestOptions.optionalTransform(new RoundedCorners(100));
requestOptions.optionalTransform(new GlideRoundedCornersTransform(100,
GlideRoundedCornersTransform.CornerType.TOP_LEFT));
Glide.with(this).load("https://gss3.bdstatic" +
".com/-Po3dSag_xI4khGkpoWK1HF6hhy/baike/c0%3Dbaike116%2C5%2C5%2C116%2C38/sign" +
"=b214b363d754564ef168ec6bd2b7f7e7/7e3e6709c93d70cfc087257df2dcd100baa12b45.jpg")
.apply(requestOptions)
.into(image);
由于glide4.00 裁剪圆形图片，官方已给出，就不需要自定义bitmapTransform了
<--! 以下给出效果图 !-->
github链接地址：https://github.com/pingcc/ImageApplication