You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
166 lines
3.9 KiB
166 lines
3.9 KiB
/* |
|
* Copyright (C) 2010 Daniel Nilsson |
|
* |
|
* 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 net.margaritov.preference.colorpicker; |
|
|
|
import android.content.Context; |
|
import android.graphics.Canvas; |
|
import android.graphics.Paint; |
|
import android.graphics.RectF; |
|
import android.util.AttributeSet; |
|
import android.view.View; |
|
|
|
/** |
|
* This class draws a panel which which will be filled with a color which can be set. |
|
* It can be used to show the currently selected color which you will get from |
|
* the {@link ColorPickerView}. |
|
* @author Daniel Nilsson |
|
*/ |
|
public class ColorPickerPanelView extends View { |
|
|
|
/** |
|
* The width in pixels of the border |
|
* surrounding the color panel. |
|
*/ |
|
private final static float BORDER_WIDTH_PX = 1; |
|
|
|
private float mDensity = 1f; |
|
|
|
private int mBorderColor = 0xff6E6E6E; |
|
private int mColor = 0xff000000; |
|
|
|
private Paint mBorderPaint; |
|
private Paint mColorPaint; |
|
|
|
private RectF mDrawingRect; |
|
private RectF mColorRect; |
|
|
|
private AlphaPatternDrawable mAlphaPattern; |
|
|
|
|
|
public ColorPickerPanelView(Context context) { |
|
this(context, null); |
|
} |
|
|
|
public ColorPickerPanelView(Context context, AttributeSet attrs) { |
|
this(context, attrs, 0); |
|
} |
|
|
|
public ColorPickerPanelView(Context context, AttributeSet attrs, int defStyle) { |
|
super(context, attrs, defStyle); |
|
init(); |
|
} |
|
|
|
private void init() { |
|
mBorderPaint = new Paint(); |
|
mColorPaint = new Paint(); |
|
mDensity = getContext().getResources().getDisplayMetrics().density; |
|
} |
|
|
|
|
|
@Override |
|
protected void onDraw(Canvas canvas) { |
|
|
|
final RectF rect = mColorRect; |
|
|
|
if (BORDER_WIDTH_PX > 0) { |
|
mBorderPaint.setColor(mBorderColor); |
|
canvas.drawRect(mDrawingRect, mBorderPaint); |
|
} |
|
|
|
if (mAlphaPattern != null) { |
|
mAlphaPattern.draw(canvas); |
|
} |
|
|
|
mColorPaint.setColor(mColor); |
|
|
|
canvas.drawRect(rect, mColorPaint); |
|
} |
|
|
|
@Override |
|
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
|
|
|
int width = MeasureSpec.getSize(widthMeasureSpec); |
|
int height = MeasureSpec.getSize(heightMeasureSpec); |
|
|
|
setMeasuredDimension(width, height); |
|
} |
|
|
|
@Override |
|
protected void onSizeChanged(int w, int h, int oldw, int oldh) { |
|
super.onSizeChanged(w, h, oldw, oldh); |
|
|
|
mDrawingRect = new RectF(); |
|
mDrawingRect.left = getPaddingLeft(); |
|
mDrawingRect.right = w - getPaddingRight(); |
|
mDrawingRect.top = getPaddingTop(); |
|
mDrawingRect.bottom = h - getPaddingBottom(); |
|
|
|
setUpColorRect(); |
|
|
|
} |
|
|
|
private void setUpColorRect() { |
|
final RectF dRect = mDrawingRect; |
|
|
|
float left = dRect.left + BORDER_WIDTH_PX; |
|
float top = dRect.top + BORDER_WIDTH_PX; |
|
float bottom = dRect.bottom - BORDER_WIDTH_PX; |
|
float right = dRect.right - BORDER_WIDTH_PX; |
|
|
|
mColorRect = new RectF(left, top, right, bottom); |
|
|
|
mAlphaPattern = new AlphaPatternDrawable((int) (5 * mDensity)); |
|
|
|
mAlphaPattern.setBounds(Math.round(mColorRect.left), Math.round(mColorRect.top), Math.round(mColorRect.right), |
|
Math.round(mColorRect.bottom)); |
|
|
|
} |
|
|
|
/** |
|
* Set the color that should be shown by this view. |
|
* @param color |
|
*/ |
|
public void setColor(int color) { |
|
mColor = color; |
|
invalidate(); |
|
} |
|
|
|
/** |
|
* Get the color currently show by this view. |
|
* @return |
|
*/ |
|
public int getColor() { |
|
return mColor; |
|
} |
|
|
|
/** |
|
* Set the color of the border surrounding the panel. |
|
* @param color |
|
*/ |
|
public void setBorderColor(int color) { |
|
mBorderColor = color; |
|
invalidate(); |
|
} |
|
|
|
/** |
|
* Get the color of the border surrounding the panel. |
|
*/ |
|
public int getBorderColor() { |
|
return mBorderColor; |
|
} |
|
|
|
} |