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/*
* Copyright (C) 2012 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.gallery3d.filtershow.ui;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.widget.ImageButton;
import com.android.gallery3d.R;
public class FramedTextButton extends ImageButton {
private static final String LOGTAG = "FramedTextButton";
private String mText = null;
private static int mTextSize = 24;
private static int mTextPadding = 20;
private static Paint gPaint = new Paint();
private static Path gPath = new Path();
private static int mTrianglePadding = 2;
private static int mTriangleSize = 30;
public static void setTextSize(int value) {
mTextSize = value;
}
public static void setTextPadding(int value) {
mTextPadding = value;
}
public static void setTrianglePadding(int value) {
mTrianglePadding = value;
}
public static void setTriangleSize(int value) {
mTriangleSize = value;
}
public void setText(String text) {
mText = text;
invalidate();
}
public void setTextFrom(int itemId) {
switch (itemId) {
case R.id.curve_menu_rgb: {
setText(getContext().getString(R.string.curves_channel_rgb));
break;
}
case R.id.curve_menu_red: {
setText(getContext().getString(R.string.curves_channel_red));
break;
}
case R.id.curve_menu_green: {
setText(getContext().getString(R.string.curves_channel_green));
break;
}
case R.id.curve_menu_blue: {
setText(getContext().getString(R.string.curves_channel_blue));
break;
}
}
invalidate();
}
public FramedTextButton(Context context) {
this(context, null);
}
public FramedTextButton(Context context, AttributeSet attrs) {
super(context, attrs);
if (attrs == null) {
return;
}
TypedArray a = getContext().obtainStyledAttributes(
attrs, R.styleable.ImageButtonTitle);
mText = a.getString(R.styleable.ImageButtonTitle_android_text);
}
public String getText(){
return mText;
}
@Override
public void onDraw(Canvas canvas) {
gPaint.setARGB(96, 255, 255, 255);
gPaint.setStrokeWidth(2);
gPaint.setStyle(Paint.Style.STROKE);
int w = getWidth();
int h = getHeight();
canvas.drawRect(mTextPadding, mTextPadding, w - mTextPadding,
h - mTextPadding, gPaint);
gPath.reset();
gPath.moveTo(w - mTextPadding - mTrianglePadding - mTriangleSize,
h - mTextPadding - mTrianglePadding);
gPath.lineTo(w - mTextPadding - mTrianglePadding,
h - mTextPadding - mTrianglePadding - mTriangleSize);
gPath.lineTo(w - mTextPadding - mTrianglePadding,
h - mTextPadding - mTrianglePadding);
gPath.close();
gPaint.setARGB(128, 255, 255, 255);
gPaint.setStrokeWidth(1);
gPaint.setStyle(Paint.Style.FILL_AND_STROKE);
canvas.drawPath(gPath, gPaint);
if (mText != null) {
gPaint.reset();
gPaint.setARGB(255, 255, 255, 255);
gPaint.setTextSize(mTextSize);
float textWidth = gPaint.measureText(mText);
Rect bounds = new Rect();
gPaint.getTextBounds(mText, 0, mText.length(), bounds);
int x = (int) ((w - textWidth) / 2);
int y = (h + bounds.height()) / 2;
canvas.drawText(mText, x, y, gPaint);
}
}
}
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