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/*
* Copyright (C) 2013 The Android Open Source Project
*
* 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.android.terminal;
import static com.android.terminal.Terminal.TAG;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.util.Log;
import android.view.View;
import com.android.terminal.TerminalView.TerminalMetrics;
/**
* Rendered contents of a single line of a {@link Terminal} session.
*/
public class TerminalLineView extends View {
public int pos;
public int row;
public int cols;
private final Terminal mTerm;
private final TerminalMetrics mMetrics;
public TerminalLineView(Context context, Terminal term, TerminalMetrics metrics) {
super(context);
mTerm = term;
mMetrics = metrics;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
setMeasuredDimension(getDefaultSize(0, widthMeasureSpec),
getDefaultSize(mMetrics.charHeight, heightMeasureSpec));
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (mTerm == null) {
Log.w(TAG, "onDraw() without a terminal");
canvas.drawColor(Color.MAGENTA);
return;
}
final TerminalMetrics m = mMetrics;
for (int col = 0; col < cols;) {
mTerm.getCellRun(row, col, m.run);
m.bgPaint.setColor(m.run.bg);
m.textPaint.setColor(m.run.fg);
final int x = col * m.charWidth;
final int xEnd = x + (m.run.colSize * m.charWidth);
canvas.save();
canvas.translate(x, 0);
canvas.clipRect(0, 0, m.run.colSize * m.charWidth, m.charHeight);
canvas.drawPaint(m.bgPaint);
canvas.drawPosText(m.run.data, 0, m.run.dataSize, m.pos, m.textPaint);
canvas.restore();
col += m.run.colSize;
}
}
}
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