//画地图
public void drawMap(MapMark map, Canvas canvas)
{
canvas.getBrushMap().setMaxValue(map.getMaxValue());
int width = map.getWidth();
int height = map.getHeight();
int i, j;
//根据是否有边距，在不同的位置画图
if (left == 0 && top == 0)
{
for (i = 0; i < height; i++)
{
for (j = 0; j < width; j++)
{
canvas.fillRectangle(map.getValue(j, i), j * blockWidth, i * blockHeight, blockWidth, blockHeight);
}
}
}
else
{
for (i = 0; i < height; i++)
{
for (j = 0; j < width; j++)
{
canvas.fillRectangle(map.getValue(j, i), j * blockWidth + left, i * blockHeight + top, blockWidth, blockHeight);
}
}
}
}
//画路径。应在画地图之后画路径，否则路径会被地图覆盖。
public void drawPath(List <MyPoint> path, MapMark map, Canvas canvas)
{
if (path == null)
{
return;
}
int i;
int halfBlockWidth = (int)(blockWidth / 2.0 + 0.5);
int halfBlockHeight = (int)(blockHeight / 2.0 + 0.5);
int blockLeft = blockWidth / 4;
int blockTop = blockHeight / 4;
//根据是否有边距，改变表示路径的方块的画图位置
if (left != 0)
{
blockLeft += left;
}
if (top != 0)
{
blockTop += top;
}
for (i = 0; i < path.Count; i++)
{
canvas.fillRectangleReversely(map.getValue(path[i].x, path[i].y), path[i].x * blockWidth + blockLeft, path[i].y * blockHeight + blockTop, halfBlockWidth, halfBlockHeight);
}
}
public MapMark getMapMark()
{
if (nodeMap == null)
{
return(null);
}
MapMark mark = new MapMark(width, height);
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
mark.setValue(j, i, nodeMap[i, j].g);
}
}
return(mark);
}