Android Open Source - infinite-grid Tile

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Back to project page infinite-grid.

License

The source code is released under:

Apache License

Java Source Code

/*******************************************************************************
 * Copyright 2014 Kenneth Maffei//ww w.  j  a v  a2s.  c  om
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/

package com.kennethmaffei.infinitegrid;

import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Point;

/**
 * An tile element that is added to our view
 * It can be rendered in any arbitrary fashion and includes borders
 * 
 * @author Kenneth Maffei
 *
 */
public class Tile {
  
  private RecordDescriptor recordDescriptor;

  Bitmap getThumbnail() {
    return recordDescriptor.image;
  }
  
  void setRecordDescriptor(RecordDescriptor record) {
    this.recordDescriptor = record;
  }
  
  String getUrl() {
    return recordDescriptor.url;
  }
  
  RecordDescriptor getRecordDescriptor() {
    return recordDescriptor;
  }
  
  /**
   * Draw code for the tile
   * 
   * @param origin - the x, y coordinates for drawing
   * @param canvas - the container view's canvas
   * @param paint - the container view's paint
   * @param matrix - the container view's matrix
   */
  void draw(Point origin, Canvas canvas, Paint paint, Matrix matrix) {
    
    //Draw the image
    if(recordDescriptor.image != null)
      canvas.drawBitmap(recordDescriptor.image, origin.x + Tiles.borderThickness/2, origin.y + Tiles.borderThickness/2, paint);
    
    //Draw borders
    Matrix defaultMatrix = matrix;
    Matrix workingMatrix = new Matrix(matrix);
    
    workingMatrix.postTranslate(origin.x, origin.y);
    canvas.setMatrix(workingMatrix);
    canvas.drawRect(Tiles.borderVertical, paint);
    canvas.drawRect(Tiles.borderHorizontal, paint);
    
    workingMatrix.set(defaultMatrix);
    workingMatrix.postTranslate(origin.x + Tiles.tileSize.x - Tiles.borderThickness/2, origin.y);
    canvas.setMatrix(workingMatrix);
    canvas.drawRect(Tiles.borderVertical, paint);
    
    workingMatrix.set(defaultMatrix);
    workingMatrix.postTranslate(origin.x, origin.y + Tiles.tileSize.y - Tiles.borderThickness/2);
    canvas.setMatrix(workingMatrix);
    canvas.drawRect(Tiles.borderHorizontal, paint);
    
    canvas.setMatrix(defaultMatrix);
  }
}

Java Source Code List

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