SubMatrix - virtual clip of a matrix [1033128]

< > BotCompany Repo | #1033128 // SubMatrix - virtual clip of a matrix

JavaX fragment (include) [tags: use-pretranspiled]

persistable sclass SubMatrix<A> extends AbstractMatrix<A> {
  Matrix<A> matrix;
  int x1, y1;

  *(Matrix<A> *matrix, Rect r) {
    super(r.w, r.h);
    x1 = r.x; y1 = r.y;
  }

  // currently no range checks
  
  public A get(int x, int y) {
    try {
      ret matrix.get(x+x1, y+y1);
    } catch e {
      throw augmentException(e, this);
    }
  }
  
  public void set(int x, int y, A a) { matrix.set(x+x1, y+y1, a); }
  
  toString { ret renderFunctionCall("SubMatrix", x1, y1, w, h); }
}

Author comment

Began life as a copy of #1033127

Travelled to 3 computer(s): bhatertpkbcr, mowyntqkapby, mqqgnosmbjvj

Snippet ID:

#1033128

Snippet name:

SubMatrix - virtual clip of a matrix

Eternal ID of this version:

#1033128/5

Text MD5:

fcc26049dfe3830f2f0545d8fc49ae0f

Transpilation MD5:

6f481d712aad0ac7e6bdd4e4fe324951

Author:

stefan

Category:

javax

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2021-10-15 17:16:01

Source code size:

515 bytes / 23 lines

Pitched / IR pitched:

No / No

Views / Downloads:

145 / 251

Version history:

4 change(s)

Referenced in:

[show references]

1	persistable sclass SubMatrix<A> extends AbstractMatrix<A> {
2	Matrix<A> matrix;
3	int x1, y1;
4
5	(Matrix<A> matrix, Rect r) {
6	super(r.w, r.h);
7	x1 = r.x; y1 = r.y;
8	}
9
10	// currently no range checks
11
12	public A get(int x, int y) {
13	try {
14	ret matrix.get(x+x1, y+y1);
15	} catch e {
16	throw augmentException(e, this);
17	}
18	}
19
20	public void set(int x, int y, A a) { matrix.set(x+x1, y+y1, a); }
21
22	toString { ret renderFunctionCall("SubMatrix", x1, y1, w, h); }
23	}