@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.Config config =
source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
Bitmap bitmap = mBitmapPool.get(width, height, config);
if (bitmap == null) {
bitmap = Bitmap.createBitmap(width, height, config);
}
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setShader(new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
canvas.drawRoundRect(
new RectF(margin, margin, width - margin, height - margin), radius, radius, paint);
source.recycle();
return BitmapResource.obtain(bitmap, mBitmapPool);
}
@Test
public void testDoesNotPutNullBitmapAcquiredFromPool() {
when(pool.get(anyInt(), anyInt(), any(Bitmap.Config.class))).thenReturn(null);
fitCenter.transform(resource, 100, 100);
verify(pool, never()).put(any(Bitmap.class));
}
private Bitmap roungTransForm(BitmapPool pool, Bitmap source, int outWidth, int outHeight) {
if (source == null) return null;
Bitmap result = pool.get(outWidth, outHeight, Bitmap.Config.ARGB_8888);
if (result == null) {
result = Bitmap.createBitmap(outWidth, outHeight, 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);
RectF rectF = new RectF(0f, 0f, outWidth, outHeight);
canvas.drawRoundRect(rectF, radius, radius, paint);
return result;
}
@Override
public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
Bitmap source = resource.get();
int size = Math.min(source.getWidth(), source.getHeight());
mWidth = (source.getWidth() - size) / 2;
mHeight = (source.getHeight() - size) / 2;
Bitmap.Config config =
source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
Bitmap bitmap = mBitmapPool.get(mWidth, mHeight, config);
if (bitmap == null) {
bitmap = Bitmap.createBitmap(source, mWidth, mHeight, size, size);
}
return BitmapResource.obtain(bitmap, mBitmapPool);
}
@Test
public void testCenterCropSetsOutBitmapToHaveAlphaIfInBitmapHasAlphaAndOutBitmapIsReused() {
Bitmap toTransform = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);
Bitmap toReuse = Bitmap.createBitmap(50, 50, Bitmap.Config.ARGB_8888);
reset(bitmapPool);
when(bitmapPool.get(eq(50), eq(50), eq(Bitmap.Config.ARGB_8888))).thenReturn(toReuse);
toReuse.setHasAlpha(false);
toTransform.setHasAlpha(true);
Bitmap result =
TransformationUtils.centerCrop(
bitmapPool, toTransform, toReuse.getWidth(), toReuse.getHeight());
assertEquals(toReuse, result);
assertTrue(result.hasAlpha());
}
private Bitmap circleCrop(BitmapPool pool, Bitmap source) {
if (source == null) {
return null;
}
int size = Math.min(source.getWidth(), source.getHeight());
int x = (source.getWidth() - size) / 2;
int y = (source.getHeight() - size) / 2;
Bitmap squared = Bitmap.createBitmap(source, x, y, size, size);
Bitmap result = pool.get(size, size, Bitmap.Config.ARGB_8888);
if (result == null) {
result = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
}
Canvas canvas = new Canvas(result);
Paint paint = new Paint();
paint.setShader(
new BitmapShader(squared, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP));
paint.setAntiAlias(true);
float r = size / 2f;
canvas.drawCircle(r, r, r, paint);
return result;
}
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
when(bitmapPool.get(anyInt(), anyInt(), any(Bitmap.Config.class)))
.thenAnswer(new Util.CreateBitmap());
}