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[英]Using Android AFreeChart to save a line graph to a png or jpeg file
[英]How to Save a PictureDrawable as a JPEG/PNG file in Android
我有 PictureDrawable ,我希望将其保存为图像(JPEG/PNG),但我似乎找不到任何关于 go 的信息。
我试过这个,但它似乎不起作用
PictureDrawable myDrawable = GetPictureDrawable();
Bitmap bitmap = Bitmap.createBitmap(200, 200, Bitmap.Config.ARGB_8888);
myDrawable.draw(new Canvas(bitmap));
bitmap.compress(CompressFormat.JPEG, 100, new FileOutputStream("/MyLocation/MyImage.jpg"));
我做错了什么?
//Convert PictureDrawable to Bitmap
private static Bitmap pictureDrawable2Bitmap(PictureDrawable pictureDrawable){
Bitmap bitmap = Bitmap.createBitmap(pictureDrawable.getIntrinsicWidth(),pictureDrawable.getIntrinsicHeight(), Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
canvas.drawPicture(pictureDrawable.getPicture());
return bitmap;
}
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