package com.jp.wasabeef.glide.transformations;
/**
* Copyright (C) 2015 Wasabeef
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapShader;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.Shader;
import com.bumptech.glide.Glide;
import com.bumptech.glide.load.Transformation;
import com.bumptech.glide.load.engine.Resource;
import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
import com.bumptech.glide.load.resource.bitmap.BitmapResource;
public class RoundedCornersTransformation implements Transformation<Bitmap> {
public enum CornerType {
ALL,
TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT,
TOP, BOTTOM, LEFT, RIGHT,
OTHER_TOP_LEFT, OTHER_TOP_RIGHT, OTHER_BOTTOM_LEFT, OTHER_BOTTOM_RIGHT,
DIAGONAL_FROM_TOP_LEFT, DIAGONAL_FROM_TOP_RIGHT
}
private BitmapPool mBitmapPool;
private int mRadius;
private int mDiameter;
private int mMargin;
private CornerType mCornerType;
public RoundedCornersTransformation(Context context, int radius, int margin) {
this(context, radius, margin, CornerType.ALL);
}
public RoundedCornersTransformation(BitmapPool pool, int radius, int margin) {
this(pool, radius, margin, CornerType.ALL);
}
public RoundedCornersTransformation(Context context, int radius, int margin,
CornerType cornerType) {
this(Glide.get(context).getBitmapPool(), radius, margin, cornerType);
}
public RoundedCornersTransformation(BitmapPool pool, int radius, int margin,
CornerType cornerType) {
mBitmapPool = pool;
mRadius = radius;
mDiameter = mRadius * 2;
mMargin = margin;
mCornerType = cornerType;
}
@Override
public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
Bitmap source = resource.get();
int width = source.getWidth();
int height = source.getHeight();
Bitmap bitmap = mBitmapPool.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();
paint.setAntiAlias(true);
paint.setShader(new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
drawRoundRect(canvas, paint, width, height);
return BitmapResource.obtain(bitmap, mBitmapPool);
}
private void drawRoundRect(Canvas canvas, Paint paint, float width, float height) {
float right = width - mMargin;
float bottom = height - mMargin;
switch (mCornerType) {
case ALL:
canvas.drawRoundRect(new RectF(mMargin, mMargin, right, bottom), mRadius, mRadius, paint);
break;
case TOP_LEFT:
drawTopLeftRoundRect(canvas, paint, right, bottom);
break;
case TOP_RIGHT:
drawTopRightRoundRect(canvas, paint, right, bottom);
break;
case BOTTOM_LEFT:
drawBottomLeftRoundRect(canvas, paint, right, bottom);
break;
case BOTTOM_RIGHT:
drawBottomRightRoundRect(canvas, paint, right, bottom);
break;
case TOP:
drawTopRoundRect(canvas, paint, right, bottom);
break;
case BOTTOM:
drawBottomRoundRect(canvas, paint, right, bottom);
break;
case LEFT:
drawLeftRoundRect(canvas, paint, right, bottom);
break;
case RIGHT:
drawRightRoundRect(canvas, paint, right, bottom);
break;
case OTHER_TOP_LEFT:
drawOtherTopLeftRoundRect(canvas, paint, right, bottom);
break;
case OTHER_TOP_RIGHT:
drawOtherTopRightRoundRect(canvas, paint, right, bottom);
break;
case OTHER_BOTTOM_LEFT:
drawOtherBottomLeftRoundRect(canvas, paint, right, bottom);
break;
case OTHER_BOTTOM_RIGHT:
drawOtherBottomRightRoundRect(canvas, paint, right, bottom);
break;
case DIAGONAL_FROM_TOP_LEFT:
drawDiagonalFromTopLeftRoundRect(canvas, paint, right, bottom);
break;
case DIAGONAL_FROM_TOP_RIGHT:
drawDiagonalFromTopRightRoundRect(canvas, paint, right, bottom);
break;
default:
canvas.drawRoundRect(new RectF(mMargin, mMargin, right, bottom), mRadius, mRadius, paint);
break;
}
}
private void drawTopLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, mMargin + mDiameter),
mRadius, mRadius, paint);
canvas.drawRect(new RectF(mMargin, mMargin + mRadius, mMargin + mRadius, bottom), paint);
canvas.drawRect(new RectF(mMargin + mRadius, mMargin, right, bottom), paint);
}
private void drawTopRightRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, mMargin + mDiameter), mRadius,
mRadius, paint);
canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom), paint);
canvas.drawRect(new RectF(right - mRadius, mMargin + mRadius, right, bottom), paint);
}
private void drawBottomLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, mMargin + mDiameter, bottom),
mRadius, mRadius, paint);
canvas.drawRect(new RectF(mMargin, mMargin, mMargin + mDiameter, bottom - mRadius), paint);
canvas.drawRect(new RectF(mMargin + mRadius, mMargin, right, bottom), paint);
}
private void drawBottomRightRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(right - mDiameter, bottom - mDiameter, right, bottom), mRadius,
mRadius, paint);
canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom), paint);
canvas.drawRect(new RectF(right - mRadius, mMargin, right, bottom - mRadius), paint);
}
private void drawTopRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, right, mMargin + mDiameter), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin, mMargin + mRadius, right, bottom), paint);
}
private void drawBottomRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, right, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin, mMargin, right, bottom - mRadius), paint);
}
private void drawLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin + mRadius, mMargin, right, bottom), paint);
}
private void drawRightRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom), paint);
}
private void drawOtherTopLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, right, bottom), mRadius, mRadius,
paint);
canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom - mRadius), paint);
}
private void drawOtherTopRightRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, bottom), mRadius, mRadius,
paint);
canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, right, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin + mRadius, mMargin, right, bottom - mRadius), paint);
}
private void drawOtherBottomLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, right, mMargin + mDiameter), mRadius, mRadius,
paint);
canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin, mMargin + mRadius, right - mRadius, bottom), paint);
}
private void drawOtherBottomRightRoundRect(Canvas canvas, Paint paint, float right,
float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, right, mMargin + mDiameter), mRadius, mRadius,
paint);
canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, bottom), mRadius, mRadius,
paint);
canvas.drawRect(new RectF(mMargin + mRadius, mMargin + mRadius, right, bottom), paint);
}
private void drawDiagonalFromTopLeftRoundRect(Canvas canvas, Paint paint, float right,
float bottom) {
canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, mMargin + mDiameter),
mRadius, mRadius, paint);
canvas.drawRoundRect(new RectF(right - mDiameter, bottom - mDiameter, right, bottom), mRadius,
mRadius, paint);
canvas.drawRect(new RectF(mMargin, mMargin + mRadius, right - mDiameter, bottom), paint);
canvas.drawRect(new RectF(mMargin + mDiameter, mMargin, right, bottom - mRadius), paint);
}
private void drawDiagonalFromTopRightRoundRect(Canvas canvas, Paint paint, float right,
float bottom) {
canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, mMargin + mDiameter), mRadius,
mRadius, paint);
canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, mMargin + mDiameter, bottom),
mRadius, mRadius, paint);
canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom - mRadius), paint);
canvas.drawRect(new RectF(mMargin + mRadius, mMargin + mRadius, right, bottom), paint);
}
@Override
public String getId() {
return "RoundedTransformation(radius=" + mRadius + ", margin=" + mMargin + ", diameter="
+ mDiameter + ", cornerType=" + mCornerType.name() + ")";
}
}