Android 毕加索图像的边缘在变换后被切割
Android picasso image's edge is cut after transform
我正在使用 Picasso 将图像转换为圆角正方形图像。
它也有边界。但是当我把这张图片放到 Imageview 时,它的边缘被切掉了。有什么解决办法吗? Android 版本为 4.4.2。
我的 Imageview 看起来像这样。
<ImageView
android:id="@+id/imageview_picture"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="@dimen/edge_margin"
android:layout_marginRight="@dimen/edge_margin"
android:adjustViewBounds="true" />
下面是代码。
@Override public Bitmap transform(Bitmap source) {
int ratio = source.getWidth() / mDisplayWidth;
float strokeWidth = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, Constants.SHAPE_STROKE_WIDTH, mDisplayMetrics) * ratio;
float radius = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, Constants.SQUARE_RADIUS, mDisplayMetrics) * ratio;
int x = (int) (mRectF.left * ratio);
int y = (int) (mRectF.top * ratio);
int width = (int) ((mRectF.right - mRectF.left) * ratio);
int height = (int) ((mRectF.bottom - mRectF.top) * ratio);
Bitmap bitmap = Bitmap.createBitmap(source, x, y, width, height);
source.recycle();
return getRoundedCornerBitmap(bitmap, radius, strokeWidth);
}
@Override public String key() {
return "card_square";
}
private Bitmap getRoundedCornerBitmap(Bitmap bitmap, int color, float cornerSizePx, float borderSizePx) {
Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),
Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
final RectF rectF = new RectF(rect);
// prepare canvas for transfer
paint.setAntiAlias(true);
paint.setColor(0xFFFFFFFF);
paint.setStyle(Paint.Style.FILL);
canvas.drawARGB(0, 0, 0, 0);
canvas.drawRoundRect(rectF, cornerSizePx, cornerSizePx, paint);
// draw bitmap
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
bitmap.recycle();
// draw border
paint.setColor(color);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth(borderSizePx);
canvas.drawRoundRect(rectF, cornerSizePx, cornerSizePx, paint);
return output;
}`
这是我在之前的一个项目中用来将图像转换为圆形图像的方法:
public Bitmap getRoundedBitmap(Bitmap bitmap) {
Bitmap output = Bitmap.createBitmap(bitmap.getWidth(),
bitmap.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2,
bitmap.getWidth() / 2, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
return output;
}
我正在使用 Picasso 将图像转换为圆角正方形图像。 它也有边界。但是当我把这张图片放到 Imageview 时,它的边缘被切掉了。有什么解决办法吗? Android 版本为 4.4.2。
我的 Imageview 看起来像这样。
<ImageView
android:id="@+id/imageview_picture"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="@dimen/edge_margin"
android:layout_marginRight="@dimen/edge_margin"
android:adjustViewBounds="true" />
下面是代码。
@Override public Bitmap transform(Bitmap source) {
int ratio = source.getWidth() / mDisplayWidth;
float strokeWidth = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, Constants.SHAPE_STROKE_WIDTH, mDisplayMetrics) * ratio;
float radius = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, Constants.SQUARE_RADIUS, mDisplayMetrics) * ratio;
int x = (int) (mRectF.left * ratio);
int y = (int) (mRectF.top * ratio);
int width = (int) ((mRectF.right - mRectF.left) * ratio);
int height = (int) ((mRectF.bottom - mRectF.top) * ratio);
Bitmap bitmap = Bitmap.createBitmap(source, x, y, width, height);
source.recycle();
return getRoundedCornerBitmap(bitmap, radius, strokeWidth);
}
@Override public String key() {
return "card_square";
}
private Bitmap getRoundedCornerBitmap(Bitmap bitmap, int color, float cornerSizePx, float borderSizePx) {
Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),
Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
final RectF rectF = new RectF(rect);
// prepare canvas for transfer
paint.setAntiAlias(true);
paint.setColor(0xFFFFFFFF);
paint.setStyle(Paint.Style.FILL);
canvas.drawARGB(0, 0, 0, 0);
canvas.drawRoundRect(rectF, cornerSizePx, cornerSizePx, paint);
// draw bitmap
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
bitmap.recycle();
// draw border
paint.setColor(color);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth(borderSizePx);
canvas.drawRoundRect(rectF, cornerSizePx, cornerSizePx, paint);
return output;
}`
这是我在之前的一个项目中用来将图像转换为圆形图像的方法:
public Bitmap getRoundedBitmap(Bitmap bitmap) {
Bitmap output = Bitmap.createBitmap(bitmap.getWidth(),
bitmap.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2,
bitmap.getWidth() / 2, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
return output;
}