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109 changes: 109 additions & 0 deletions
109
...ain/java/com/jojo/design/common_base/utils/glide/transform/CornerOriginSizeTransform.java
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| @@ -0,0 +1,109 @@ | ||
| package com.jojo.design.common_base.utils.glide.transform; | ||
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| import android.content.Context; | ||
| import android.graphics.Bitmap; | ||
| import android.graphics.BitmapShader; | ||
| import android.graphics.Canvas; | ||
| import android.graphics.Matrix; | ||
| import android.graphics.Paint; | ||
| import android.graphics.RectF; | ||
| import android.graphics.Shader; | ||
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| 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; | ||
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| import java.security.MessageDigest; | ||
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| /** | ||
| * Created by JoJo on 2018/12/25. | ||
| * wechat:18510829974 | ||
| * description:让Glide输出指定位置的圆角图片-(显示图片的原始尺寸) | ||
| */ | ||
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| public class CornerOriginSizeTransform implements Transformation<Bitmap> { | ||
| private BitmapPool mBitmapPool; | ||
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| private float radius; | ||
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| private boolean exceptLeftTop, exceptRightTop, exceptLeftBottom, exceptRightBotoom; | ||
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| /** | ||
| * 除了那几个角不需要圆角的 | ||
| * | ||
| * @param leftTop | ||
| * @param rightTop | ||
| * @param leftBottom | ||
| * @param rightBottom | ||
| */ | ||
| public void setExceptCorner(boolean leftTop, boolean rightTop, boolean leftBottom, boolean rightBottom) { | ||
| this.exceptLeftTop = leftTop; | ||
| this.exceptRightTop = rightTop; | ||
| this.exceptLeftBottom = leftBottom; | ||
| this.exceptRightBotoom = rightBottom; | ||
| } | ||
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| public CornerOriginSizeTransform(Context context, float radius) { | ||
| this.mBitmapPool = Glide.get(context).getBitmapPool(); | ||
| this.radius = radius; | ||
| } | ||
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| @Override | ||
| public Resource<Bitmap> transform(Context context, Resource<Bitmap> resource, int outWidth, int outHeight) { | ||
| Bitmap source = resource.get(); | ||
| //图片的原始尺寸 | ||
| // Elog.e("TAG", "source=" + source.getHeight() + "width=" + source.getWidth()); | ||
| int finalWidth = source.getWidth(), finalHeight = source.getHeight(); | ||
| float ratio; //输出目标的宽高或高宽比例 | ||
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| //修正圆角 | ||
| this.radius *= (float) finalHeight / (float) outHeight; | ||
| Bitmap outBitmap = this.mBitmapPool.get(finalWidth, finalHeight, Bitmap.Config.ARGB_8888); | ||
| if (outBitmap == null) { | ||
| outBitmap = Bitmap.createBitmap(finalWidth, finalHeight, Bitmap.Config.ARGB_8888); | ||
| } | ||
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| Canvas canvas = new Canvas(outBitmap); | ||
| Paint paint = new Paint(); | ||
| //关联画笔绘制的原图bitmap | ||
| BitmapShader shader = new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP); | ||
| //计算中心位置,进行偏移 | ||
| int width = (source.getWidth() - finalWidth) / 2; | ||
| int height = (source.getHeight() - finalHeight) / 2; | ||
| if (width != 0 || height != 0) { | ||
| Matrix matrix = new Matrix(); | ||
| matrix.setTranslate((float) (-width), (float) (-height)); | ||
| shader.setLocalMatrix(matrix); | ||
| } | ||
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| paint.setShader(shader); | ||
| paint.setAntiAlias(true); | ||
| RectF rectF = new RectF(0.0F, 0.0F, (float) canvas.getWidth(), (float) canvas.getHeight()); | ||
| canvas.drawRoundRect(rectF, this.radius, this.radius, paint); //先绘制圆角矩形 | ||
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| if (exceptLeftTop) { //左上角不为圆角 | ||
| canvas.drawRect(0, 0, radius, radius, paint); | ||
| } | ||
| if (exceptRightTop) {//右上角不为圆角 | ||
| canvas.drawRect(canvas.getWidth() - radius, 0, radius, radius, paint); | ||
| } | ||
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| if (exceptLeftBottom) {//左下角不为圆角 | ||
| canvas.drawRect(0, canvas.getHeight() - radius, radius, canvas.getHeight(), paint); | ||
| } | ||
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| if (exceptRightBotoom) {//右下角不为圆角 | ||
| canvas.drawRect(canvas.getWidth() - radius, canvas.getHeight() - radius, canvas.getWidth(), canvas.getHeight(), paint); | ||
| } | ||
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| return BitmapResource.obtain(outBitmap, this.mBitmapPool); | ||
| } | ||
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| @Override | ||
| public void updateDiskCacheKey(MessageDigest messageDigest) { | ||
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| } | ||
| } | ||
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