最近,我参与了一个油漆项目。首先,我需要 选择一种颜色。当我触摸图像时,选择的颜色将是 替换为位图图像的相同颜色区域。我怎么认识 图像中相同颜色区域的形状。
此致
的Habib
答案 0 :(得分:1)
此代码可以完整帮助
imageViewEdit.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
setColor = newbitmap.getPixel((int)event.getX(),(int)event.getY());
replaceX=(int)event.getX();
replaceY=(int)event.getY();
setColor_R = (setColor & 0x00ff0000) >> 16;
setColor_G = (setColor & 0x0000ff00) >> 8;
setColor_B = setColor & 0x000000ff;
boolean[][] visited = new boolean[newbitmap.getWidth()][newbitmap.getHeight()];
Queue<Pixel> pixel=new LinkedList<Pixel>();
pixel.add(new Pixel(replaceX, replaceY));
while(!pixel.isEmpty()){
Pixel loc = pixel.remove();
visited[loc._x][loc._y] = true;
putIfValid(loc._x+1,loc._y-1,pixel,visited);
putIfValid(loc._x+1,loc._y,pixel,visited);
putIfValid(loc._x+1,loc._y+1,pixel,visited);
putIfValid(loc._x-1,loc._y-1,pixel,visited);
putIfValid(loc._x-1,loc._y,pixel,visited);
putIfValid(loc._x-1,loc._y+1,pixel,visited);
putIfValid(loc._x,loc._y+1,pixel,visited);
putIfValid(loc._x,loc._y-1,pixel,visited);
}
imageViewEdit.setImageBitmap(newbitmap);
return false;
}
public void putIfValid(int x, int y, Queue<Pixel> pixel, boolean[][] visited) {
int colors=newbitmap.getPixel(x, y);
int current_R = (colors & 0x00ff0000) >> 16;
int current_G = (colors & 0x0000ff00) >> 8;
int current_B = colors & 0x000000ff;
if(((setColor_R-RGBThreshold<=current_R) && (setColor_R+RGBThreshold>=current_R))
&&((setColor_G-RGBThreshold<=current_G)&&(setColor_G+RGBThreshold>=current_G))
&&((setColor_B-RGBThreshold<=current_B)&& (setColor_B+RGBThreshold>=current_B))
&& valid(x,y,visited)){
pixel.add(new Pixel(x,y));
newbitmap.setPixel(x, y, getColor);
visited[x][y]=true;
}
}
private boolean valid(int x, int y, boolean[][] visited) {
return x >= 2 && x < (newbitmap.getWidth()-2)&&
y >= 2 && y < (newbitmap.getHeight()-2) &&
!visited[x][y];
}
});
public static class Pixel {
final public int _x;
final public int _y;
public Pixel(int x,int y){
_x=x;
_y=y;
}
}
答案 1 :(得分:0)
您可能正在寻找一个存储桶工具实现。 This是一篇描述一般解决方案的文章。