android - 如何将图像添加到位图

Question

嗨，每个人都是这个 android 开发的新手。

目前正在开发绘图应用程序，为绘制的图像添加图章/标签。所以我已经完成了绘图部分，所以现在我必须实现为该绘制的图像添加图章/标签。

所以请帮我解决这个..

Answer 1

Bitmap Rbitmap = Bitmap.createBitmap(bitmap).copy(Config.ARGB_4444, true);
Canvas canvas = new Canvas(Rbitmap);            
canvas.drawBitmap(label, -9, Rbitmap.getHeight()-label.getHeight()-10, null);
canvas.save();
return Rbitmap;

Making your question little more specific will help you more.If I understood is correct this piece of code will help you out to draw a bitmap to a drawn canvas.

Answer 2

你可以更具体一点，即发布一些代码来显示你必须得到更具体的答案。无论如何，您可以使用以下方法在另一个位图上绘制位图：

//You will have a Bitmap bottomBmp, a Bitmap topBmp and a Canvas canvas.
//If you are inside an onDraw() method the canvas will be provided to you, otherwise you will have to create it yourself, use a mutable bitmap of the same size as the bottomBmp.

canvas.drawBitmap(bottomBmp, 0, 0, null); //Draw the bottom bitmap in the upper left corner of the canvas without any special paint effects.
canvas.drawBitmap(topBmp, 0, 0, null); //Draw the top bitmap over the bottom bitmap, change the zeroes to offset this bitmap.

Answer 3

私人油漆绿色=新油漆（）；

private int greenx , greeny;

green.setColor(Color.GREEN);

    green.setAntiAlias(false);

    canvas.drawCircle(greenx,greeny,20,green);

如何在此代码中添加图像将 drawcircle 替换为图像如何？

Answer 4

试试这个代码：

private Bitmap background;

public birdClass(Context context) {
    super(context);
    background = BitmapFactory.decodeResource(getResources(),R.drawable.splash );
}