Eric Kok
13 years ago
19 changed files with 1852 additions and 17 deletions
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|
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<?xml version="1.0" encoding="utf-8"?> |
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<!-- Copyright (C) 2010 Daniel Nilsson |
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|
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Licensed under the Apache License, Version 2.0 (the "License"); |
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you may not use this file except in compliance with the License. |
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You may obtain a copy of the License at |
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|
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http://www.apache.org/licenses/LICENSE-2.0 |
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|
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Unless required by applicable law or agreed to in writing, software |
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distributed under the License is distributed on an "AS IS" BASIS, |
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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See the License for the specific language governing permissions and |
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limitations under the License. |
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--> |
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|
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<LinearLayout |
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xmlns:android="http://schemas.android.com/apk/res/android" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:paddingLeft="5dp" |
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android:paddingRight="5dp" |
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android:orientation="horizontal"> |
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|
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<net.margaritov.preference.colorpicker.ColorPickerView |
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android:id="@+id/color_picker_view" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:tag="landscape" |
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/> |
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|
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<LinearLayout |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:orientation="vertical" |
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android:layout_marginBottom="10dp"> |
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<TextView |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:text="@string/press_color_to_apply" |
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android:gravity="center" |
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android:layout_marginTop="6dp" |
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android:layout_marginLeft="6dp" |
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android:layout_marginRight="6dp" |
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android:layout_marginBottom="5dp" |
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android:textAppearance="?android:attr/textAppearanceSmall" |
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/> |
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|
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<net.margaritov.preference.colorpicker.ColorPickerPanelView |
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android:id="@+id/old_color_panel" |
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android:layout_width="fill_parent" |
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android:layout_height="40dp" |
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android:layout_weight="0.5" |
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/> |
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|
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<TextView |
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android:layout_width="fill_parent" |
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android:layout_height="wrap_content" |
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android:text="↓" |
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android:textSize="20sp" |
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android:gravity="center" |
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android:layout_marginTop="10dp" |
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android:layout_marginBottom="10dp" |
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/> |
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|
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<net.margaritov.preference.colorpicker.ColorPickerPanelView |
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android:id="@+id/new_color_panel" |
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android:layout_width="fill_parent" |
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android:layout_height="40dp" |
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android:layout_weight="0.5" |
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/> |
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|
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</LinearLayout> |
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|
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</LinearLayout> |
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<?xml version="1.0" encoding="utf-8"?> |
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<!-- Copyright (C) 2010 Daniel Nilsson |
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|
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Licensed under the Apache License, Version 2.0 (the "License"); |
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you may not use this file except in compliance with the License. |
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You may obtain a copy of the License at |
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|
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http://www.apache.org/licenses/LICENSE-2.0 |
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|
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Unless required by applicable law or agreed to in writing, software |
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distributed under the License is distributed on an "AS IS" BASIS, |
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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See the License for the specific language governing permissions and |
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limitations under the License. |
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--> |
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|
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<LinearLayout |
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xmlns:android="http://schemas.android.com/apk/res/android" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:paddingLeft="5dp" |
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android:paddingRight="5dp" |
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android:orientation="vertical"> |
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|
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<net.margaritov.preference.colorpicker.ColorPickerView |
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android:id="@+id/color_picker_view" |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:layout_centerHorizontal="true" |
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android:tag="portrait" |
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/> |
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|
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<TextView |
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android:layout_width="wrap_content" |
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android:layout_height="wrap_content" |
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android:text="@string/press_color_to_apply" |
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android:gravity="left" |
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android:layout_marginLeft="6dp" |
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android:layout_marginRight="6dp" |
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android:layout_marginBottom="5dp" |
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android:textAppearance="?android:attr/textAppearanceSmall" |
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/> |
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|
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<LinearLayout |
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android:layout_width="wrap_content" |
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android:layout_height="40dp" |
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android:orientation="horizontal" |
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android:layout_below="@id/color_picker_view" |
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android:layout_marginBottom="10dp"> |
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|
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<net.margaritov.preference.colorpicker.ColorPickerPanelView |
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android:id="@+id/old_color_panel" |
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android:layout_width="0px" |
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android:layout_height="fill_parent" |
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android:layout_weight="0.5" |
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/> |
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<TextView |
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android:layout_width="wrap_content" |
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android:layout_height="fill_parent" |
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android:text="→" |
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android:textSize="20sp" |
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android:gravity="center" |
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android:layout_marginLeft="10dp" |
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android:layout_marginRight="10dp" |
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/> |
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<net.margaritov.preference.colorpicker.ColorPickerPanelView |
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android:id="@+id/new_color_panel" |
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android:layout_width="0px" |
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android:layout_height="wrap_content" |
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android:layout_weight="0.5" |
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/> |
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</LinearLayout> |
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</LinearLayout> |
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@ -0,0 +1,128 @@
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/* |
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* Copyright (C) 2010 Daniel Nilsson |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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|
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package net.margaritov.preference.colorpicker; |
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import android.graphics.Bitmap; |
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import android.graphics.Bitmap.Config; |
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import android.graphics.Canvas; |
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import android.graphics.ColorFilter; |
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import android.graphics.Paint; |
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import android.graphics.Rect; |
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import android.graphics.drawable.Drawable; |
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/** |
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* This drawable that draws a simple white and gray chessboard pattern. |
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* It's pattern you will often see as a background behind a |
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* partly transparent image in many applications. |
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* @author Daniel Nilsson |
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*/ |
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public class AlphaPatternDrawable extends Drawable { |
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private int mRectangleSize = 10; |
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private Paint mPaint = new Paint(); |
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private Paint mPaintWhite = new Paint(); |
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private Paint mPaintGray = new Paint(); |
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private int numRectanglesHorizontal; |
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private int numRectanglesVertical; |
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/** |
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* Bitmap in which the pattern will be cahched. |
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*/ |
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private Bitmap mBitmap; |
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public AlphaPatternDrawable(int rectangleSize) { |
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mRectangleSize = rectangleSize; |
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mPaintWhite.setColor(0xffffffff); |
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mPaintGray.setColor(0xffcbcbcb); |
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} |
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@Override |
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public void draw(Canvas canvas) { |
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canvas.drawBitmap(mBitmap, null, getBounds(), mPaint); |
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} |
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@Override |
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public int getOpacity() { |
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return 0; |
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} |
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@Override |
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public void setAlpha(int alpha) { |
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throw new UnsupportedOperationException("Alpha is not supported by this drawwable."); |
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} |
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@Override |
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public void setColorFilter(ColorFilter cf) { |
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throw new UnsupportedOperationException("ColorFilter is not supported by this drawwable."); |
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} |
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@Override |
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protected void onBoundsChange(Rect bounds) { |
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super.onBoundsChange(bounds); |
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int height = bounds.height(); |
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int width = bounds.width(); |
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numRectanglesHorizontal = (int) Math.ceil((width / mRectangleSize)); |
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numRectanglesVertical = (int) Math.ceil(height / mRectangleSize); |
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generatePatternBitmap(); |
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} |
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/** |
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* This will generate a bitmap with the pattern |
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* as big as the rectangle we were allow to draw on. |
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* We do this to chache the bitmap so we don't need to |
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* recreate it each time draw() is called since it |
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* takes a few milliseconds. |
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*/ |
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private void generatePatternBitmap(){ |
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if(getBounds().width() <= 0 || getBounds().height() <= 0){ |
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return; |
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} |
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mBitmap = Bitmap.createBitmap(getBounds().width(), getBounds().height(), Config.ARGB_8888); |
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Canvas canvas = new Canvas(mBitmap); |
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Rect r = new Rect(); |
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boolean verticalStartWhite = true; |
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for (int i = 0; i <= numRectanglesVertical; i++) { |
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boolean isWhite = verticalStartWhite; |
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for (int j = 0; j <= numRectanglesHorizontal; j++) { |
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r.top = i * mRectangleSize; |
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r.left = j * mRectangleSize; |
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r.bottom = r.top + mRectangleSize; |
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r.right = r.left + mRectangleSize; |
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canvas.drawRect(r, isWhite ? mPaintWhite : mPaintGray); |
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isWhite = !isWhite; |
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} |
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verticalStartWhite = !verticalStartWhite; |
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} |
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} |
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} |
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@ -0,0 +1,129 @@
@@ -0,0 +1,129 @@
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/* |
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* Copyright (C) 2010 Daniel Nilsson |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
|
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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|
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package net.margaritov.preference.colorpicker; |
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import org.transdroid.R; |
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import android.app.Dialog; |
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import android.content.Context; |
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import android.graphics.PixelFormat; |
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import android.view.LayoutInflater; |
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import android.view.View; |
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import android.widget.LinearLayout; |
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public class ColorPickerDialog |
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extends |
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Dialog |
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implements |
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ColorPickerView.OnColorChangedListener, |
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View.OnClickListener { |
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private ColorPickerView mColorPicker; |
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private ColorPickerPanelView mOldColor; |
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private ColorPickerPanelView mNewColor; |
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private OnColorChangedListener mListener; |
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public interface OnColorChangedListener { |
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public void onColorChanged(int color); |
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} |
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public ColorPickerDialog(Context context, int initialColor) { |
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super(context); |
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init(initialColor); |
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} |
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private void init(int color) { |
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// To fight color branding.
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getWindow().setFormat(PixelFormat.RGBA_8888); |
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setUp(color); |
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} |
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private void setUp(int color) { |
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LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
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View layout = inflater.inflate(R.layout.dialog_color_picker, null); |
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setContentView(layout); |
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setTitle(R.string.dialog_color_picker); |
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mColorPicker = (ColorPickerView) layout.findViewById(R.id.color_picker_view); |
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mOldColor = (ColorPickerPanelView) layout.findViewById(R.id.old_color_panel); |
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mNewColor = (ColorPickerPanelView) layout.findViewById(R.id.new_color_panel); |
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((LinearLayout) mOldColor.getParent()).setPadding( |
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Math.round(mColorPicker.getDrawingOffset()), |
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0, |
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Math.round(mColorPicker.getDrawingOffset()), |
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0 |
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); |
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mOldColor.setOnClickListener(this); |
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mNewColor.setOnClickListener(this); |
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mColorPicker.setOnColorChangedListener(this); |
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mOldColor.setColor(color); |
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mColorPicker.setColor(color, true); |
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} |
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@Override |
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public void onColorChanged(int color) { |
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mNewColor.setColor(color); |
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/* |
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if (mListener != null) { |
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mListener.onColorChanged(color); |
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} |
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*/ |
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} |
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public void setAlphaSliderVisible(boolean visible) { |
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mColorPicker.setAlphaSliderVisible(visible); |
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} |
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/** |
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* Set a OnColorChangedListener to get notified when the color |
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* selected by the user has changed. |
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* @param listener |
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*/ |
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public void setOnColorChangedListener(OnColorChangedListener listener){ |
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mListener = listener; |
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} |
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public int getColor() { |
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return mColorPicker.getColor(); |
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} |
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@Override |
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public void onClick(View v) { |
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if (v.getId() == R.id.new_color_panel) { |
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if (mListener != null) { |
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mListener.onColorChanged(mNewColor.getColor()); |
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} |
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} |
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dismiss(); |
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} |
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} |
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@ -0,0 +1,171 @@
@@ -0,0 +1,171 @@
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/* |
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* Copyright (C) 2010 Daniel Nilsson |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
|
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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|
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package net.margaritov.preference.colorpicker; |
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|
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import android.content.Context; |
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import android.graphics.Canvas; |
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import android.graphics.Paint; |
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import android.graphics.RectF; |
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import android.util.AttributeSet; |
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import android.view.View; |
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/** |
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* This class draws a panel which which will be filled with a color which can be set. |
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* It can be used to show the currently selected color which you will get from |
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* the {@link ColorPickerView}. |
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* @author Daniel Nilsson |
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* |
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*/ |
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public class ColorPickerPanelView extends View { |
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/** |
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* The width in pixels of the border |
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* surrounding the color panel. |
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*/ |
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private final static float BORDER_WIDTH_PX = 1; |
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private float mDensity = 1f; |
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private int mBorderColor = 0xff6E6E6E; |
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private int mColor = 0xff000000; |
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private Paint mBorderPaint; |
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private Paint mColorPaint; |
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private RectF mDrawingRect; |
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private RectF mColorRect; |
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private AlphaPatternDrawable mAlphaPattern; |
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|
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public ColorPickerPanelView(Context context){ |
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this(context, null); |
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} |
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public ColorPickerPanelView(Context context, AttributeSet attrs){ |
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this(context, attrs, 0); |
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} |
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public ColorPickerPanelView(Context context, AttributeSet attrs, int defStyle) { |
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super(context, attrs, defStyle); |
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init(); |
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} |
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private void init(){ |
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mBorderPaint = new Paint(); |
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mColorPaint = new Paint(); |
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mDensity = getContext().getResources().getDisplayMetrics().density; |
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} |
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|
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@Override |
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protected void onDraw(Canvas canvas) { |
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final RectF rect = mColorRect; |
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if(BORDER_WIDTH_PX > 0){ |
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mBorderPaint.setColor(mBorderColor); |
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canvas.drawRect(mDrawingRect, mBorderPaint); |
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} |
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if(mAlphaPattern != null){ |
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mAlphaPattern.draw(canvas); |
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} |
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mColorPaint.setColor(mColor); |
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canvas.drawRect(rect, mColorPaint); |
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} |
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@Override |
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
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|
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int width = MeasureSpec.getSize(widthMeasureSpec); |
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int height = MeasureSpec.getSize(heightMeasureSpec); |
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setMeasuredDimension(width, height); |
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} |
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|
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@Override |
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protected void onSizeChanged(int w, int h, int oldw, int oldh) { |
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super.onSizeChanged(w, h, oldw, oldh); |
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|
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mDrawingRect = new RectF(); |
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mDrawingRect.left = getPaddingLeft(); |
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mDrawingRect.right = w - getPaddingRight(); |
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mDrawingRect.top = getPaddingTop(); |
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mDrawingRect.bottom = h - getPaddingBottom(); |
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setUpColorRect(); |
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|
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} |
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|
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private void setUpColorRect(){ |
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final RectF dRect = mDrawingRect; |
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float left = dRect.left + BORDER_WIDTH_PX; |
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float top = dRect.top + BORDER_WIDTH_PX; |
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float bottom = dRect.bottom - BORDER_WIDTH_PX; |
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float right = dRect.right - BORDER_WIDTH_PX; |
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mColorRect = new RectF(left,top, right, bottom); |
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mAlphaPattern = new AlphaPatternDrawable((int)(5 * mDensity)); |
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mAlphaPattern.setBounds( |
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Math.round(mColorRect.left), |
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Math.round(mColorRect.top), |
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Math.round(mColorRect.right), |
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Math.round(mColorRect.bottom) |
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); |
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|
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} |
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|
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/** |
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* Set the color that should be shown by this view. |
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* @param color |
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*/ |
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public void setColor(int color){ |
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mColor = color; |
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invalidate(); |
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} |
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|
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/** |
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* Get the color currently show by this view. |
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* @return |
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*/ |
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public int getColor(){ |
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return mColor; |
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} |
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|
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/** |
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* Set the color of the border surrounding the panel. |
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* @param color |
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*/ |
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public void setBorderColor(int color){ |
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mBorderColor = color; |
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invalidate(); |
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} |
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|
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/** |
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* Get the color of the border surrounding the panel. |
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*/ |
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public int getBorderColor(){ |
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return mBorderColor; |
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} |
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|
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} |
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@ -0,0 +1,246 @@
@@ -0,0 +1,246 @@
|
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/* |
||||
* Copyright (C) 2011 Sergey Margaritov |
||||
* |
||||
* 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.Bitmap; |
||||
import android.graphics.Color; |
||||
import android.graphics.Bitmap.Config; |
||||
import android.preference.Preference; |
||||
import android.util.AttributeSet; |
||||
import android.util.Log; |
||||
import android.view.View; |
||||
import android.widget.ImageView; |
||||
import android.widget.LinearLayout; |
||||
|
||||
/** |
||||
* A preference type that allows a user to choose a time |
||||
* @author Sergey Margaritov |
||||
*/ |
||||
public class ColorPickerPreference |
||||
extends |
||||
Preference |
||||
implements |
||||
Preference.OnPreferenceClickListener, |
||||
ColorPickerDialog.OnColorChangedListener { |
||||
|
||||
View mView; |
||||
int mDefaultValue = Color.BLACK; |
||||
private int mValue = Color.BLACK; |
||||
private float mDensity = 0; |
||||
private boolean mAlphaSliderEnabled = false; |
||||
|
||||
private static final String androidns = "http://schemas.android.com/apk/res/android"; |
||||
|
||||
public ColorPickerPreference(Context context) { |
||||
super(context); |
||||
init(context, null); |
||||
} |
||||
|
||||
public ColorPickerPreference(Context context, AttributeSet attrs) { |
||||
super(context, attrs); |
||||
init(context, attrs); |
||||
} |
||||
|
||||
public ColorPickerPreference(Context context, AttributeSet attrs, int defStyle) { |
||||
super(context, attrs, defStyle); |
||||
init(context, attrs); |
||||
} |
||||
|
||||
@Override |
||||
protected void onSetInitialValue(boolean restoreValue, Object defaultValue) { |
||||
onColorChanged(restoreValue ? getValue() : (Integer) defaultValue); |
||||
} |
||||
|
||||
private void init(Context context, AttributeSet attrs) { |
||||
mDensity = getContext().getResources().getDisplayMetrics().density; |
||||
setOnPreferenceClickListener(this); |
||||
if (attrs != null) { |
||||
String defaultValue = attrs.getAttributeValue(androidns, "defaultValue"); |
||||
if (defaultValue.startsWith("#")) { |
||||
try { |
||||
mDefaultValue = convertToColorInt(defaultValue); |
||||
} catch (NumberFormatException e) { |
||||
Log.e("ColorPickerPreference", "Wrong color: " + defaultValue); |
||||
mDefaultValue = convertToColorInt("#FF000000"); |
||||
} |
||||
} else { |
||||
int resourceId = attrs.getAttributeResourceValue(androidns, "defaultValue", 0); |
||||
if (resourceId != 0) { |
||||
mDefaultValue = context.getResources().getInteger(resourceId); |
||||
} |
||||
} |
||||
mAlphaSliderEnabled = attrs.getAttributeBooleanValue(null, "alphaSlider", false); |
||||
} |
||||
mValue = mDefaultValue; |
||||
} |
||||
|
||||
@Override |
||||
protected void onBindView(View view) { |
||||
super.onBindView(view); |
||||
mView = view; |
||||
setPreviewColor(); |
||||
} |
||||
|
||||
private void setPreviewColor() { |
||||
if (mView == null) return; |
||||
ImageView iView = new ImageView(getContext()); |
||||
LinearLayout widgetFrameView = ((LinearLayout)mView.findViewById(android.R.id.widget_frame)); |
||||
if (widgetFrameView == null) return; |
||||
widgetFrameView.setVisibility(View.VISIBLE); |
||||
widgetFrameView.setPadding( |
||||
widgetFrameView.getPaddingLeft(), |
||||
widgetFrameView.getPaddingTop(), |
||||
(int)(mDensity * 8), |
||||
widgetFrameView.getPaddingBottom() |
||||
); |
||||
// remove already create preview image
|
||||
int count = widgetFrameView.getChildCount(); |
||||
if (count > 0) { |
||||
widgetFrameView.removeViews(0, count); |
||||
} |
||||
widgetFrameView.addView(iView); |
||||
iView.setBackgroundDrawable(new AlphaPatternDrawable((int)(5 * mDensity))); |
||||
iView.setImageBitmap(getPreviewBitmap()); |
||||
} |
||||
|
||||
private Bitmap getPreviewBitmap() { |
||||
int d = (int) (mDensity * 31); //30dip
|
||||
int color = getValue(); |
||||
Bitmap bm = Bitmap.createBitmap(d, d, Config.ARGB_8888); |
||||
int w = bm.getWidth(); |
||||
int h = bm.getHeight(); |
||||
int c = color; |
||||
for (int i = 0; i < w; i++) { |
||||
for (int j = i; j < h; j++) { |
||||
c = (i <= 1 || j <= 1 || i >= w-2 || j >= h-2) ? Color.GRAY : color; |
||||
bm.setPixel(i, j, c); |
||||
if (i != j) { |
||||
bm.setPixel(j, i, c); |
||||
} |
||||
} |
||||
} |
||||
|
||||
return bm; |
||||
} |
||||
|
||||
public int getValue() { |
||||
try { |
||||
if (isPersistent()) { |
||||
mValue = getPersistedInt(mDefaultValue); |
||||
} |
||||
} catch (ClassCastException e) { |
||||
mValue = mDefaultValue; |
||||
} |
||||
|
||||
return mValue; |
||||
} |
||||
|
||||
@Override |
||||
public void onColorChanged(int color) { |
||||
if (isPersistent()) { |
||||
persistInt(color); |
||||
} |
||||
mValue = color; |
||||
setPreviewColor(); |
||||
try { |
||||
getOnPreferenceChangeListener().onPreferenceChange(this, color); |
||||
} catch (NullPointerException e) { |
||||
|
||||
} |
||||
} |
||||
|
||||
public boolean onPreferenceClick(Preference preference) { |
||||
ColorPickerDialog picker = new ColorPickerDialog(getContext(), getValue()); |
||||
picker.setOnColorChangedListener(this); |
||||
if (mAlphaSliderEnabled) { |
||||
picker.setAlphaSliderVisible(true); |
||||
} |
||||
picker.show(); |
||||
|
||||
return false; |
||||
} |
||||
|
||||
/** |
||||
* Toggle Alpha Slider visibility (by default it's disabled) |
||||
* @param enable |
||||
*/ |
||||
public void setAlphaSliderEnabled(boolean enable) { |
||||
mAlphaSliderEnabled = enable; |
||||
} |
||||
|
||||
/** |
||||
* For custom purposes. Not used by ColorPickerPreferrence |
||||
* @param color |
||||
* @author Unknown |
||||
*/ |
||||
public static String convertToARGB(int color) { |
||||
String alpha = Integer.toHexString(Color.alpha(color)); |
||||
String red = Integer.toHexString(Color.red(color)); |
||||
String green = Integer.toHexString(Color.green(color)); |
||||
String blue = Integer.toHexString(Color.blue(color)); |
||||
|
||||
if (alpha.length() == 1) { |
||||
alpha = "0" + alpha; |
||||
} |
||||
|
||||
if (red.length() == 1) { |
||||
red = "0" + red; |
||||
} |
||||
|
||||
if (green.length() == 1) { |
||||
green = "0" + green; |
||||
} |
||||
|
||||
if (blue.length() == 1) { |
||||
blue = "0" + blue; |
||||
} |
||||
|
||||
return "#" + alpha + red + green + blue; |
||||
} |
||||
|
||||
/** |
||||
* For custom purposes. Not used by ColorPickerPreferrence |
||||
* @param argb |
||||
* @throws NumberFormatException |
||||
* @author Unknown |
||||
*/ |
||||
public static int convertToColorInt(String argb) throws NumberFormatException { |
||||
|
||||
if (argb.startsWith("#")) { |
||||
argb = argb.replace("#", ""); |
||||
} |
||||
|
||||
int alpha = -1, red = -1, green = -1, blue = -1; |
||||
|
||||
if (argb.length() == 8) { |
||||
alpha = Integer.parseInt(argb.substring(0, 2), 16); |
||||
red = Integer.parseInt(argb.substring(2, 4), 16); |
||||
green = Integer.parseInt(argb.substring(4, 6), 16); |
||||
blue = Integer.parseInt(argb.substring(6, 8), 16); |
||||
} |
||||
else if (argb.length() == 6) { |
||||
alpha = 255; |
||||
red = Integer.parseInt(argb.substring(0, 2), 16); |
||||
green = Integer.parseInt(argb.substring(2, 4), 16); |
||||
blue = Integer.parseInt(argb.substring(4, 6), 16); |
||||
} |
||||
|
||||
return Color.argb(alpha, red, green, blue); |
||||
} |
||||
|
||||
} |
||||
@ -0,0 +1,952 @@
@@ -0,0 +1,952 @@
|
||||
/* |
||||
* 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.Color; |
||||
import android.graphics.ComposeShader; |
||||
import android.graphics.LinearGradient; |
||||
import android.graphics.Paint; |
||||
import android.graphics.Point; |
||||
import android.graphics.PorterDuff; |
||||
import android.graphics.RectF; |
||||
import android.graphics.Shader; |
||||
import android.graphics.Paint.Align; |
||||
import android.graphics.Paint.Style; |
||||
import android.graphics.Shader.TileMode; |
||||
import android.util.AttributeSet; |
||||
import android.view.MotionEvent; |
||||
import android.view.View; |
||||
|
||||
/** |
||||
* Displays a color picker to the user and allow them |
||||
* to select a color. A slider for the alpha channel is |
||||
* also available. Enable it by setting |
||||
* setAlphaSliderVisible(boolean) to true. |
||||
* @author Daniel Nilsson |
||||
*/ |
||||
public class ColorPickerView extends View { |
||||
|
||||
private final static int PANEL_SAT_VAL = 0; |
||||
private final static int PANEL_HUE = 1; |
||||
private final static int PANEL_ALPHA = 2; |
||||
|
||||
/** |
||||
* The width in pixels of the border |
||||
* surrounding all color panels. |
||||
*/ |
||||
private final static float BORDER_WIDTH_PX = 1; |
||||
|
||||
/** |
||||
* The width in dp of the hue panel. |
||||
*/ |
||||
private float HUE_PANEL_WIDTH = 30f; |
||||
/** |
||||
* The height in dp of the alpha panel |
||||
*/ |
||||
private float ALPHA_PANEL_HEIGHT = 20f; |
||||
/** |
||||
* The distance in dp between the different |
||||
* color panels. |
||||
*/ |
||||
private float PANEL_SPACING = 10f; |
||||
/** |
||||
* The radius in dp of the color palette tracker circle. |
||||
*/ |
||||
private float PALETTE_CIRCLE_TRACKER_RADIUS = 5f; |
||||
/** |
||||
* The dp which the tracker of the hue or alpha panel |
||||
* will extend outside of its bounds. |
||||
*/ |
||||
private float RECTANGLE_TRACKER_OFFSET = 2f; |
||||
|
||||
|
||||
private float mDensity = 1f; |
||||
|
||||
private OnColorChangedListener mListener; |
||||
|
||||
private Paint mSatValPaint; |
||||
private Paint mSatValTrackerPaint; |
||||
|
||||
private Paint mHuePaint; |
||||
private Paint mHueTrackerPaint; |
||||
|
||||
private Paint mAlphaPaint; |
||||
private Paint mAlphaTextPaint; |
||||
|
||||
private Paint mBorderPaint; |
||||
|
||||
private Shader mValShader; |
||||
private Shader mSatShader; |
||||
private Shader mHueShader; |
||||
private Shader mAlphaShader; |
||||
|
||||
private int mAlpha = 0xff; |
||||
private float mHue = 360f; |
||||
private float mSat = 0f; |
||||
private float mVal = 0f; |
||||
|
||||
private String mAlphaSliderText = ""; |
||||
private int mSliderTrackerColor = 0xff1c1c1c; |
||||
private int mBorderColor = 0xff6E6E6E; |
||||
private boolean mShowAlphaPanel = false; |
||||
|
||||
/* |
||||
* To remember which panel that has the "focus" when |
||||
* processing hardware button data. |
||||
*/ |
||||
private int mLastTouchedPanel = PANEL_SAT_VAL; |
||||
|
||||
/** |
||||
* Offset from the edge we must have or else |
||||
* the finger tracker will get clipped when |
||||
* it is drawn outside of the view. |
||||
*/ |
||||
private float mDrawingOffset; |
||||
|
||||
|
||||
/* |
||||
* Distance form the edges of the view |
||||
* of where we are allowed to draw. |
||||
*/ |
||||
private RectF mDrawingRect; |
||||
|
||||
private RectF mSatValRect; |
||||
private RectF mHueRect; |
||||
private RectF mAlphaRect; |
||||
|
||||
private AlphaPatternDrawable mAlphaPattern; |
||||
|
||||
private Point mStartTouchPoint = null; |
||||
|
||||
public interface OnColorChangedListener { |
||||
public void onColorChanged(int color); |
||||
} |
||||
|
||||
public ColorPickerView(Context context){ |
||||
this(context, null); |
||||
} |
||||
|
||||
public ColorPickerView(Context context, AttributeSet attrs) { |
||||
this(context, attrs, 0); |
||||
} |
||||
|
||||
public ColorPickerView(Context context, AttributeSet attrs, int defStyle) { |
||||
super(context, attrs, defStyle); |
||||
init(); |
||||
} |
||||
|
||||
private void init(){ |
||||
mDensity = getContext().getResources().getDisplayMetrics().density; |
||||
PALETTE_CIRCLE_TRACKER_RADIUS *= mDensity; |
||||
RECTANGLE_TRACKER_OFFSET *= mDensity; |
||||
HUE_PANEL_WIDTH *= mDensity; |
||||
ALPHA_PANEL_HEIGHT *= mDensity; |
||||
PANEL_SPACING = PANEL_SPACING * mDensity; |
||||
|
||||
mDrawingOffset = calculateRequiredOffset(); |
||||
|
||||
initPaintTools(); |
||||
|
||||
//Needed for receiving trackball motion events.
|
||||
setFocusable(true); |
||||
setFocusableInTouchMode(true); |
||||
} |
||||
|
||||
private void initPaintTools(){ |
||||
|
||||
mSatValPaint = new Paint(); |
||||
mSatValTrackerPaint = new Paint(); |
||||
mHuePaint = new Paint(); |
||||
mHueTrackerPaint = new Paint(); |
||||
mAlphaPaint = new Paint(); |
||||
mAlphaTextPaint = new Paint(); |
||||
mBorderPaint = new Paint(); |
||||
|
||||
|
||||
mSatValTrackerPaint.setStyle(Style.STROKE); |
||||
mSatValTrackerPaint.setStrokeWidth(2f * mDensity); |
||||
mSatValTrackerPaint.setAntiAlias(true); |
||||
|
||||
mHueTrackerPaint.setColor(mSliderTrackerColor); |
||||
mHueTrackerPaint.setStyle(Style.STROKE); |
||||
mHueTrackerPaint.setStrokeWidth(2f * mDensity); |
||||
mHueTrackerPaint.setAntiAlias(true); |
||||
|
||||
mAlphaTextPaint.setColor(0xff1c1c1c); |
||||
mAlphaTextPaint.setTextSize(14f * mDensity); |
||||
mAlphaTextPaint.setAntiAlias(true); |
||||
mAlphaTextPaint.setTextAlign(Align.CENTER); |
||||
mAlphaTextPaint.setFakeBoldText(true); |
||||
|
||||
|
||||
} |
||||
|
||||
private float calculateRequiredOffset(){ |
||||
float offset = Math.max(PALETTE_CIRCLE_TRACKER_RADIUS, RECTANGLE_TRACKER_OFFSET); |
||||
offset = Math.max(offset, BORDER_WIDTH_PX * mDensity); |
||||
|
||||
return offset * 1.5f; |
||||
} |
||||
|
||||
private int[] buildHueColorArray(){ |
||||
|
||||
int[] hue = new int[361]; |
||||
|
||||
int count = 0; |
||||
for(int i = hue.length -1; i >= 0; i--, count++){ |
||||
hue[count] = Color.HSVToColor(new float[]{i, 1f, 1f}); |
||||
} |
||||
|
||||
return hue; |
||||
} |
||||
|
||||
|
||||
@Override |
||||
protected void onDraw(Canvas canvas) { |
||||
|
||||
if(mDrawingRect.width() <= 0 || mDrawingRect.height() <= 0) return; |
||||
|
||||
drawSatValPanel(canvas); |
||||
drawHuePanel(canvas); |
||||
drawAlphaPanel(canvas); |
||||
|
||||
} |
||||
|
||||
private void drawSatValPanel(Canvas canvas){ |
||||
|
||||
final RectF rect = mSatValRect; |
||||
|
||||
if(BORDER_WIDTH_PX > 0){ |
||||
mBorderPaint.setColor(mBorderColor); |
||||
canvas.drawRect(mDrawingRect.left, mDrawingRect.top, rect.right + BORDER_WIDTH_PX, rect.bottom + BORDER_WIDTH_PX, mBorderPaint); |
||||
} |
||||
|
||||
if (mValShader == null) { |
||||
mValShader = new LinearGradient(rect.left, rect.top, rect.left, rect.bottom, |
||||
0xffffffff, 0xff000000, TileMode.CLAMP); |
||||
} |
||||
|
||||
int rgb = Color.HSVToColor(new float[]{mHue,1f,1f}); |
||||
|
||||
mSatShader = new LinearGradient(rect.left, rect.top, rect.right, rect.top, |
||||
0xffffffff, rgb, TileMode.CLAMP); |
||||
ComposeShader mShader = new ComposeShader(mValShader, mSatShader, PorterDuff.Mode.MULTIPLY); |
||||
mSatValPaint.setShader(mShader); |
||||
|
||||
canvas.drawRect(rect, mSatValPaint); |
||||
|
||||
Point p = satValToPoint(mSat, mVal); |
||||
|
||||
mSatValTrackerPaint.setColor(0xff000000); |
||||
canvas.drawCircle(p.x, p.y, PALETTE_CIRCLE_TRACKER_RADIUS - 1f * mDensity, mSatValTrackerPaint); |
||||
|
||||
mSatValTrackerPaint.setColor(0xffdddddd); |
||||
canvas.drawCircle(p.x, p.y, PALETTE_CIRCLE_TRACKER_RADIUS, mSatValTrackerPaint); |
||||
|
||||
} |
||||
|
||||
private void drawHuePanel(Canvas canvas){ |
||||
|
||||
final RectF rect = mHueRect; |
||||
|
||||
if(BORDER_WIDTH_PX > 0){ |
||||
mBorderPaint.setColor(mBorderColor); |
||||
canvas.drawRect(rect.left - BORDER_WIDTH_PX, |
||||
rect.top - BORDER_WIDTH_PX, |
||||
rect.right + BORDER_WIDTH_PX, |
||||
rect.bottom + BORDER_WIDTH_PX, |
||||
mBorderPaint); |
||||
} |
||||
|
||||
if (mHueShader == null) { |
||||
mHueShader = new LinearGradient(rect.left, rect.top, rect.left, rect.bottom, buildHueColorArray(), null, TileMode.CLAMP); |
||||
mHuePaint.setShader(mHueShader); |
||||
} |
||||
|
||||
canvas.drawRect(rect, mHuePaint); |
||||
|
||||
float rectHeight = 4 * mDensity / 2; |
||||
|
||||
Point p = hueToPoint(mHue); |
||||
|
||||
RectF r = new RectF(); |
||||
r.left = rect.left - RECTANGLE_TRACKER_OFFSET; |
||||
r.right = rect.right + RECTANGLE_TRACKER_OFFSET; |
||||
r.top = p.y - rectHeight; |
||||
r.bottom = p.y + rectHeight; |
||||
|
||||
|
||||
canvas.drawRoundRect(r, 2, 2, mHueTrackerPaint); |
||||
|
||||
} |
||||
|
||||
private void drawAlphaPanel(Canvas canvas){ |
||||
|
||||
if(!mShowAlphaPanel || mAlphaRect == null || mAlphaPattern == null) return; |
||||
|
||||
final RectF rect = mAlphaRect; |
||||
|
||||
if(BORDER_WIDTH_PX > 0){ |
||||
mBorderPaint.setColor(mBorderColor); |
||||
canvas.drawRect(rect.left - BORDER_WIDTH_PX, |
||||
rect.top - BORDER_WIDTH_PX, |
||||
rect.right + BORDER_WIDTH_PX, |
||||
rect.bottom + BORDER_WIDTH_PX, |
||||
mBorderPaint); |
||||
} |
||||
|
||||
|
||||
mAlphaPattern.draw(canvas); |
||||
|
||||
float[] hsv = new float[]{mHue,mSat,mVal}; |
||||
int color = Color.HSVToColor(hsv); |
||||
int acolor = Color.HSVToColor(0, hsv); |
||||
|
||||
mAlphaShader = new LinearGradient(rect.left, rect.top, rect.right, rect.top, |
||||
color, acolor, TileMode.CLAMP); |
||||
|
||||
|
||||
mAlphaPaint.setShader(mAlphaShader); |
||||
|
||||
canvas.drawRect(rect, mAlphaPaint); |
||||
|
||||
if(mAlphaSliderText != null && mAlphaSliderText!= ""){ |
||||
canvas.drawText(mAlphaSliderText, rect.centerX(), rect.centerY() + 4 * mDensity, mAlphaTextPaint); |
||||
} |
||||
|
||||
float rectWidth = 4 * mDensity / 2; |
||||
|
||||
Point p = alphaToPoint(mAlpha); |
||||
|
||||
RectF r = new RectF(); |
||||
r.left = p.x - rectWidth; |
||||
r.right = p.x + rectWidth; |
||||
r.top = rect.top - RECTANGLE_TRACKER_OFFSET; |
||||
r.bottom = rect.bottom + RECTANGLE_TRACKER_OFFSET; |
||||
|
||||
canvas.drawRoundRect(r, 2, 2, mHueTrackerPaint); |
||||
|
||||
} |
||||
|
||||
|
||||
private Point hueToPoint(float hue){ |
||||
|
||||
final RectF rect = mHueRect; |
||||
final float height = rect.height(); |
||||
|
||||
Point p = new Point(); |
||||
|
||||
p.y = (int) (height - (hue * height / 360f) + rect.top); |
||||
p.x = (int) rect.left; |
||||
|
||||
return p; |
||||
} |
||||
|
||||
private Point satValToPoint(float sat, float val){ |
||||
|
||||
final RectF rect = mSatValRect; |
||||
final float height = rect.height(); |
||||
final float width = rect.width(); |
||||
|
||||
Point p = new Point(); |
||||
|
||||
p.x = (int) (sat * width + rect.left); |
||||
p.y = (int) ((1f - val) * height + rect.top); |
||||
|
||||
return p; |
||||
} |
||||
|
||||
private Point alphaToPoint(int alpha){ |
||||
|
||||
final RectF rect = mAlphaRect; |
||||
final float width = rect.width(); |
||||
|
||||
Point p = new Point(); |
||||
|
||||
p.x = (int) (width - (alpha * width / 0xff) + rect.left); |
||||
p.y = (int) rect.top; |
||||
|
||||
return p; |
||||
|
||||
} |
||||
|
||||
private float[] pointToSatVal(float x, float y){ |
||||
|
||||
final RectF rect = mSatValRect; |
||||
float[] result = new float[2]; |
||||
|
||||
float width = rect.width(); |
||||
float height = rect.height(); |
||||
|
||||
if (x < rect.left){ |
||||
x = 0f; |
||||
} |
||||
else if(x > rect.right){ |
||||
x = width; |
||||
} |
||||
else{ |
||||
x = x - rect.left; |
||||
} |
||||
|
||||
if (y < rect.top){ |
||||
y = 0f; |
||||
} |
||||
else if(y > rect.bottom){ |
||||
y = height; |
||||
} |
||||
else{ |
||||
y = y - rect.top; |
||||
} |
||||
|
||||
|
||||
result[0] = 1.f / width * x; |
||||
result[1] = 1.f - (1.f / height * y); |
||||
|
||||
return result; |
||||
} |
||||
|
||||
private float pointToHue(float y){ |
||||
|
||||
final RectF rect = mHueRect; |
||||
|
||||
float height = rect.height(); |
||||
|
||||
if (y < rect.top){ |
||||
y = 0f; |
||||
} |
||||
else if(y > rect.bottom){ |
||||
y = height; |
||||
} |
||||
else{ |
||||
y = y - rect.top; |
||||
} |
||||
|
||||
return 360f - (y * 360f / height); |
||||
} |
||||
|
||||
private int pointToAlpha(int x){ |
||||
|
||||
final RectF rect = mAlphaRect; |
||||
final int width = (int) rect.width(); |
||||
|
||||
if(x < rect.left){ |
||||
x = 0; |
||||
} |
||||
else if(x > rect.right){ |
||||
x = width; |
||||
} |
||||
else{ |
||||
x = x - (int)rect.left; |
||||
} |
||||
|
||||
return 0xff - (x * 0xff / width); |
||||
|
||||
} |
||||
|
||||
|
||||
@Override |
||||
public boolean onTrackballEvent(MotionEvent event) { |
||||
|
||||
float x = event.getX(); |
||||
float y = event.getY(); |
||||
|
||||
boolean update = false; |
||||
|
||||
|
||||
if(event.getAction() == MotionEvent.ACTION_MOVE){ |
||||
|
||||
switch(mLastTouchedPanel){ |
||||
|
||||
case PANEL_SAT_VAL: |
||||
|
||||
float sat, val; |
||||
|
||||
sat = mSat + x/50f; |
||||
val = mVal - y/50f; |
||||
|
||||
if(sat < 0f){ |
||||
sat = 0f; |
||||
} |
||||
else if(sat > 1f){ |
||||
sat = 1f; |
||||
} |
||||
|
||||
if(val < 0f){ |
||||
val = 0f; |
||||
} |
||||
else if(val > 1f){ |
||||
val = 1f; |
||||
} |
||||
|
||||
mSat = sat; |
||||
mVal = val; |
||||
|
||||
update = true; |
||||
|
||||
break; |
||||
|
||||
case PANEL_HUE: |
||||
|
||||
float hue = mHue - y * 10f; |
||||
|
||||
if(hue < 0f){ |
||||
hue = 0f; |
||||
} |
||||
else if(hue > 360f){ |
||||
hue = 360f; |
||||
} |
||||
|
||||
mHue = hue; |
||||
|
||||
update = true; |
||||
|
||||
break; |
||||
|
||||
case PANEL_ALPHA: |
||||
|
||||
if(!mShowAlphaPanel || mAlphaRect == null){ |
||||
update = false; |
||||
} |
||||
else{ |
||||
|
||||
int alpha = (int) (mAlpha - x*10); |
||||
|
||||
if(alpha < 0){ |
||||
alpha = 0; |
||||
} |
||||
else if(alpha > 0xff){ |
||||
alpha = 0xff; |
||||
} |
||||
|
||||
mAlpha = alpha; |
||||
|
||||
|
||||
update = true; |
||||
} |
||||
|
||||
break; |
||||
} |
||||
|
||||
|
||||
} |
||||
|
||||
|
||||
if(update){ |
||||
|
||||
if(mListener != null){ |
||||
mListener.onColorChanged(Color.HSVToColor(mAlpha, new float[]{mHue, mSat, mVal})); |
||||
} |
||||
|
||||
invalidate(); |
||||
return true; |
||||
} |
||||
|
||||
|
||||
return super.onTrackballEvent(event); |
||||
} |
||||
|
||||
@Override |
||||
public boolean onTouchEvent(MotionEvent event) { |
||||
|
||||
boolean update = false; |
||||
|
||||
switch(event.getAction()){ |
||||
|
||||
case MotionEvent.ACTION_DOWN: |
||||
|
||||
mStartTouchPoint = new Point((int)event.getX(), (int)event.getY()); |
||||
|
||||
update = moveTrackersIfNeeded(event); |
||||
|
||||
break; |
||||
|
||||
case MotionEvent.ACTION_MOVE: |
||||
|
||||
update = moveTrackersIfNeeded(event); |
||||
|
||||
break; |
||||
|
||||
case MotionEvent.ACTION_UP: |
||||
|
||||
mStartTouchPoint = null; |
||||
|
||||
update = moveTrackersIfNeeded(event); |
||||
|
||||
break; |
||||
|
||||
} |
||||
|
||||
if(update){ |
||||
|
||||
if(mListener != null){ |
||||
mListener.onColorChanged(Color.HSVToColor(mAlpha, new float[]{mHue, mSat, mVal})); |
||||
} |
||||
|
||||
invalidate(); |
||||
return true; |
||||
} |
||||
|
||||
|
||||
return super.onTouchEvent(event); |
||||
} |
||||
|
||||
private boolean moveTrackersIfNeeded(MotionEvent event){ |
||||
|
||||
if(mStartTouchPoint == null) return false; |
||||
|
||||
boolean update = false; |
||||
|
||||
int startX = mStartTouchPoint.x; |
||||
int startY = mStartTouchPoint.y; |
||||
|
||||
|
||||
if(mHueRect.contains(startX, startY)){ |
||||
mLastTouchedPanel = PANEL_HUE; |
||||
|
||||
mHue = pointToHue(event.getY()); |
||||
|
||||
update = true; |
||||
} |
||||
else if(mSatValRect.contains(startX, startY)){ |
||||
|
||||
mLastTouchedPanel = PANEL_SAT_VAL; |
||||
|
||||
float[] result = pointToSatVal(event.getX(), event.getY()); |
||||
|
||||
mSat = result[0]; |
||||
mVal = result[1]; |
||||
|
||||
update = true; |
||||
} |
||||
else if(mAlphaRect != null && mAlphaRect.contains(startX, startY)){ |
||||
|
||||
mLastTouchedPanel = PANEL_ALPHA; |
||||
|
||||
mAlpha = pointToAlpha((int)event.getX()); |
||||
|
||||
update = true; |
||||
} |
||||
|
||||
|
||||
return update; |
||||
} |
||||
|
||||
@Override |
||||
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
||||
|
||||
int width = 0; |
||||
int height = 0; |
||||
|
||||
int widthMode = MeasureSpec.getMode(widthMeasureSpec); |
||||
int heightMode = MeasureSpec.getMode(heightMeasureSpec); |
||||
|
||||
int widthAllowed = MeasureSpec.getSize(widthMeasureSpec); |
||||
int heightAllowed = MeasureSpec.getSize(heightMeasureSpec); |
||||
|
||||
widthAllowed = chooseWidth(widthMode, widthAllowed); |
||||
heightAllowed = chooseHeight(heightMode, heightAllowed); |
||||
|
||||
if(!mShowAlphaPanel){ |
||||
|
||||
height = (int) (widthAllowed - PANEL_SPACING - HUE_PANEL_WIDTH); |
||||
|
||||
//If calculated height (based on the width) is more than the allowed height.
|
||||
if(height > heightAllowed || getTag().equals("landscape")) { |
||||
height = heightAllowed; |
||||
width = (int) (height + PANEL_SPACING + HUE_PANEL_WIDTH); |
||||
} |
||||
else{ |
||||
width = widthAllowed; |
||||
} |
||||
} |
||||
else{ |
||||
|
||||
width = (int) (heightAllowed - ALPHA_PANEL_HEIGHT + HUE_PANEL_WIDTH); |
||||
|
||||
if(width > widthAllowed){ |
||||
width = widthAllowed; |
||||
height = (int) (widthAllowed - HUE_PANEL_WIDTH + ALPHA_PANEL_HEIGHT); |
||||
} |
||||
else{ |
||||
height = heightAllowed; |
||||
} |
||||
|
||||
} |
||||
|
||||
setMeasuredDimension(width, height); |
||||
} |
||||
|
||||
private int chooseWidth(int mode, int size){ |
||||
if (mode == MeasureSpec.AT_MOST || mode == MeasureSpec.EXACTLY) { |
||||
return size; |
||||
} else { // (mode == MeasureSpec.UNSPECIFIED)
|
||||
return getPrefferedWidth(); |
||||
} |
||||
} |
||||
|
||||
private int chooseHeight(int mode, int size){ |
||||
if (mode == MeasureSpec.AT_MOST || mode == MeasureSpec.EXACTLY) { |
||||
return size; |
||||
} else { // (mode == MeasureSpec.UNSPECIFIED)
|
||||
return getPrefferedHeight(); |
||||
} |
||||
} |
||||
|
||||
private int getPrefferedWidth(){ |
||||
|
||||
int width = getPrefferedHeight(); |
||||
|
||||
if(mShowAlphaPanel){ |
||||
width -= (PANEL_SPACING + ALPHA_PANEL_HEIGHT); |
||||
} |
||||
|
||||
|
||||
return (int) (width + HUE_PANEL_WIDTH + PANEL_SPACING); |
||||
|
||||
} |
||||
|
||||
private int getPrefferedHeight(){ |
||||
|
||||
int height = (int)(200 * mDensity); |
||||
|
||||
if(mShowAlphaPanel){ |
||||
height += PANEL_SPACING + ALPHA_PANEL_HEIGHT; |
||||
} |
||||
|
||||
return height; |
||||
} |
||||
|
||||
|
||||
|
||||
@Override |
||||
protected void onSizeChanged(int w, int h, int oldw, int oldh) { |
||||
super.onSizeChanged(w, h, oldw, oldh); |
||||
|
||||
mDrawingRect = new RectF(); |
||||
mDrawingRect.left = mDrawingOffset + getPaddingLeft(); |
||||
mDrawingRect.right = w - mDrawingOffset - getPaddingRight(); |
||||
mDrawingRect.top = mDrawingOffset + getPaddingTop(); |
||||
mDrawingRect.bottom = h - mDrawingOffset - getPaddingBottom(); |
||||
|
||||
setUpSatValRect(); |
||||
setUpHueRect(); |
||||
setUpAlphaRect(); |
||||
} |
||||
|
||||
private void setUpSatValRect(){ |
||||
|
||||
final RectF dRect = mDrawingRect; |
||||
float panelSide = dRect.height() - BORDER_WIDTH_PX * 2; |
||||
|
||||
if(mShowAlphaPanel){ |
||||
panelSide -= PANEL_SPACING + ALPHA_PANEL_HEIGHT; |
||||
} |
||||
|
||||
float left = dRect.left + BORDER_WIDTH_PX; |
||||
float top = dRect.top + BORDER_WIDTH_PX; |
||||
float bottom = top + panelSide; |
||||
float right = left + panelSide; |
||||
|
||||
mSatValRect = new RectF(left,top, right, bottom); |
||||
} |
||||
|
||||
private void setUpHueRect(){ |
||||
final RectF dRect = mDrawingRect; |
||||
|
||||
float left = dRect.right - HUE_PANEL_WIDTH + BORDER_WIDTH_PX; |
||||
float top = dRect.top + BORDER_WIDTH_PX; |
||||
float bottom = dRect.bottom - BORDER_WIDTH_PX - (mShowAlphaPanel ? (PANEL_SPACING + ALPHA_PANEL_HEIGHT) : 0); |
||||
float right = dRect.right - BORDER_WIDTH_PX; |
||||
|
||||
mHueRect = new RectF(left, top, right, bottom); |
||||
} |
||||
|
||||
private void setUpAlphaRect() { |
||||
|
||||
if(!mShowAlphaPanel) return; |
||||
|
||||
final RectF dRect = mDrawingRect; |
||||
|
||||
float left = dRect.left + BORDER_WIDTH_PX; |
||||
float top = dRect.bottom - ALPHA_PANEL_HEIGHT + BORDER_WIDTH_PX; |
||||
float bottom = dRect.bottom - BORDER_WIDTH_PX; |
||||
float right = dRect.right - BORDER_WIDTH_PX; |
||||
|
||||
mAlphaRect = new RectF(left, top, right, bottom); |
||||
|
||||
mAlphaPattern = new AlphaPatternDrawable((int) (5 * mDensity)); |
||||
mAlphaPattern.setBounds( |
||||
Math.round(mAlphaRect.left), |
||||
Math.round(mAlphaRect.top), |
||||
Math.round(mAlphaRect.right), |
||||
Math.round(mAlphaRect.bottom) |
||||
); |
||||
|
||||
} |
||||
|
||||
|
||||
/** |
||||
* Set a OnColorChangedListener to get notified when the color |
||||
* selected by the user has changed. |
||||
* @param listener |
||||
*/ |
||||
public void setOnColorChangedListener(OnColorChangedListener listener){ |
||||
mListener = listener; |
||||
} |
||||
|
||||
/** |
||||
* Set the color of the border surrounding all panels. |
||||
* @param color |
||||
*/ |
||||
public void setBorderColor(int color){ |
||||
mBorderColor = color; |
||||
invalidate(); |
||||
} |
||||
|
||||
/** |
||||
* Get the color of the border surrounding all panels. |
||||
*/ |
||||
public int getBorderColor(){ |
||||
return mBorderColor; |
||||
} |
||||
|
||||
/** |
||||
* Get the current color this view is showing. |
||||
* @return the current color. |
||||
*/ |
||||
public int getColor(){ |
||||
return Color.HSVToColor(mAlpha, new float[]{mHue,mSat,mVal}); |
||||
} |
||||
|
||||
/** |
||||
* Set the color the view should show. |
||||
* @param color The color that should be selected. |
||||
*/ |
||||
public void setColor(int color){ |
||||
setColor(color, false); |
||||
} |
||||
|
||||
/** |
||||
* Set the color this view should show. |
||||
* @param color The color that should be selected. |
||||
* @param callback If you want to get a callback to |
||||
* your OnColorChangedListener. |
||||
*/ |
||||
public void setColor(int color, boolean callback){ |
||||
|
||||
int alpha = Color.alpha(color); |
||||
int red = Color.red(color); |
||||
int blue = Color.blue(color); |
||||
int green = Color.green(color); |
||||
|
||||
float[] hsv = new float[3]; |
||||
|
||||
Color.RGBToHSV(red, green, blue, hsv); |
||||
|
||||
mAlpha = alpha; |
||||
mHue = hsv[0]; |
||||
mSat = hsv[1]; |
||||
mVal = hsv[2]; |
||||
|
||||
if(callback && mListener != null){ |
||||
mListener.onColorChanged(Color.HSVToColor(mAlpha, new float[]{mHue, mSat, mVal})); |
||||
} |
||||
|
||||
invalidate(); |
||||
} |
||||
|
||||
/** |
||||
* Get the drawing offset of the color picker view. |
||||
* The drawing offset is the distance from the side of |
||||
* a panel to the side of the view minus the padding. |
||||
* Useful if you want to have your own panel below showing |
||||
* the currently selected color and want to align it perfectly. |
||||
* @return The offset in pixels. |
||||
*/ |
||||
public float getDrawingOffset(){ |
||||
return mDrawingOffset; |
||||
} |
||||
|
||||
/** |
||||
* Set if the user is allowed to adjust the alpha panel. Default is false. |
||||
* If it is set to false no alpha will be set. |
||||
* @param visible |
||||
*/ |
||||
public void setAlphaSliderVisible(boolean visible){ |
||||
|
||||
if(mShowAlphaPanel != visible){ |
||||
mShowAlphaPanel = visible; |
||||
|
||||
/* |
||||
* Reset all shader to force a recreation. |
||||
* Otherwise they will not look right after |
||||
* the size of the view has changed. |
||||
*/ |
||||
mValShader = null; |
||||
mSatShader = null; |
||||
mHueShader = null; |
||||
mAlphaShader = null;; |
||||
|
||||
requestLayout(); |
||||
} |
||||
|
||||
} |
||||
|
||||
public void setSliderTrackerColor(int color){ |
||||
mSliderTrackerColor = color; |
||||
|
||||
mHueTrackerPaint.setColor(mSliderTrackerColor); |
||||
|
||||
invalidate(); |
||||
} |
||||
|
||||
public int getSliderTrackerColor(){ |
||||
return mSliderTrackerColor; |
||||
} |
||||
|
||||
/** |
||||
* Set the text that should be shown in the |
||||
* alpha slider. Set to null to disable text. |
||||
* @param res string resource id. |
||||
*/ |
||||
public void setAlphaSliderText(int res){ |
||||
String text = getContext().getString(res); |
||||
setAlphaSliderText(text); |
||||
} |
||||
|
||||
/** |
||||
* Set the text that should be shown in the |
||||
* alpha slider. Set to null to disable text. |
||||
* @param text Text that should be shown. |
||||
*/ |
||||
public void setAlphaSliderText(String text){ |
||||
mAlphaSliderText = text; |
||||
invalidate(); |
||||
} |
||||
|
||||
/** |
||||
* Get the current value of the text |
||||
* that will be shown in the alpha |
||||
* slider. |
||||
* @return |
||||
*/ |
||||
public String getAlphaSliderText(){ |
||||
return mAlphaSliderText; |
||||
} |
||||
} |
||||
Loading…
Reference in new issue