保存时，位图的边缘变形

Question

我有一张空白图片，然后我放了一些贴纸，然后我想保存图片。但是当我保存图像时，我发现它的边缘变形了。

编辑：还有一个问题。可能是贴纸位置边缘扭曲的折衷..它是贴纸的位置。当我使用4000 * 2250黑色图像作为背景图像时，当我使用2000 * 1500作为背景图像时，它不会对位置产生任何问题，但会对图像的重新设置进行处理。

这是在保存在应用内部之前的图片：

这是保存在我的SD卡后的照片：

这是我的位图保存代码：

public Bitmap saveCurrentBitmap() {
        EditActivity act = (EditActivity) mContext;

        Bitmap origRawImage = act.getRawBitmap();
        // copy to mutable
        Bitmap rawImage = origRawImage.copy(Bitmap.Config.ARGB_8888, true);
        if (rawImage == null)
            return null;

        Canvas canvas = new Canvas(rawImage);

        // get scale factor
        RectF scaledImg = act.getImageView().getInnerBitmapSize();
        float scale = rawImage.getWidth() / scaledImg.width();

        List<DraggableBitmap> stampList = act.getImageView().getOverlayList();
        if (stampList.size() > 0) {
            Enumeration<DraggableBitmap> e = Collections.enumeration(stampList);
            while (e.hasMoreElements()) {
                DraggableBitmap dBmp = (DraggableBitmap) e.nextElement();

                Matrix finalMtx = new Matrix();

                // calculate margin and move back
                Matrix marginMtx = dBmp.getMarginMatrix();
                float[] moveArr = new float[9];
                marginMtx.getValues(moveArr);
                float x = -(moveArr[0]);
                float y = -(moveArr[3]);
                Matrix moveBackMtx = new Matrix();
                moveBackMtx.postTranslate(x, y);

                // current manipulate matrix (rotate, zoom, move..)
                Matrix manipulateMtx = dBmp.getCurrentMatrix();
                Matrix scaleMtx = new Matrix();

                // scale to original size
                scaleMtx.postScale(scale, scale, 0, 0);

                manipulateMtx = (manipulateMtx == null) ? new Matrix() : manipulateMtx;
                finalMtx.postConcat(manipulateMtx);
                finalMtx.postConcat(moveBackMtx);
                finalMtx.postConcat(scaleMtx);
                canvas.drawBitmap(dBmp.mBitmap, finalMtx, null);
            }
        }

        return rawImage;
    }

这是调用savebitmap的代码

private void saveImage() {
        Bitmap bmpToSave = mActivityHelper.saveCurrentBitmap();
        this.getBaseApplication().setRawBitmap(bmpToSave);
        savedImagePath = SaveToStorageUtil.save(bmpToSave, this);
        ImageScannerAdapter adapter = new ImageScannerAdapter(this);
        adapter.scanImage(savedImagePath);
    }

Answer 1

试试这个：

Paint p = new Paint();
p.setAntiAlias(true);
canvas.drawBitmap(dBmp.mBitmap, finalMtx, p);