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Code Issues Releases Wiki Activity

Add (heavily modified) HoloColorPicker

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cketti 2013-01-17 08:57:49 +01:00
parent 3898a9920a
commit ffda532612
13 changed files with 861 additions and 189 deletions
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16
build.xml
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@ -317,7 +317,21 @@
</if.contrib> </if.contrib>
</target> </target>
<target name="init" depends="-update-abs, -update-ptr, -update-cl" <target name="-update-hcp">
<if.contrib>
<resourceexists>
<file file="plugins/HoloColorPicker/build.xml" />
</resourceexists>
<else>
<echo message="android update lib-project -p plugins/HoloColorPicker/" />
<exec executable="${sdk.dir}/tools/${android.executable}" failonerror="true">
<arg line="update lib-project -p plugins/HoloColorPicker/" />
</exec>
</else>
</if.contrib>
</target>
<target name="init" depends="-update-abs, -update-ptr, -update-cl, -update-hcp"
description="Initialize environment for building" /> description="Initialize environment for building" />
<!-- overrides default "debug" target" --> <!-- overrides default "debug" target" -->

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plugins/HoloColorPicker/.gitignore vendored Normal file
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#Android generated
bin
gen
#Eclipse
.project
.classpath
.settings
#IntelliJ IDEA
.idea
*.iml
classes
#Command line
build.xml
proguard-project.txt
#Mac specific
.DS_Store
#User specific
local.properties
sample/src/com/cyrilmottier/android/polarissample/util/LocalConfig.java

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plugins/HoloColorPicker/AndroidManifest.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.larswerkman.colorpicker"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="16" />
</manifest>

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plugins/HoloColorPicker/LICENSE Normal file
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Copyright [2012] Lars Werkmann
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
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plugins/HoloColorPicker/README.md Normal file
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<h1>Android Holo ColorPicker</h1>
A Holo themed colorpicker designed by Marie Schweiz and Nick Butcher.
![image](https://lh3.googleusercontent.com/-RzpEyLl-1xM/UOMyztql1gI/AAAAAAAAATs/UKBuqZZtaZw//HoloColorPickerFramed1.png)
![image](https://lh4.googleusercontent.com/-sXAPd8onJ_8/UOMyzjA6c4I/AAAAAAAAATo/DY4kIzo7TtU//HoloColorPickerFramed2.png)
<h2>Documentation</h2>
Add this to your xml
<com.larswerkman.colorpicker.ColorPicker
android:id="@+id/picker"
android:layout_width="285dp"
android:layout_height="290dp"/>
To change the thickness of the wheel and the pointer you can add this.
app:wheel_size="2"
app:pointer_size="4"
To get the color of the colorpicker
ColorPicker picker = (ColorPicker) findViewById(R.id.picker);
picker.getColor();
<H2>License</H2>
Copyright 2012 Lars Werkman
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.
<h2>Devoleped By</h2>
**Lars Werkman**

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plugins/HoloColorPicker/libs/android-support-v4.jar Normal file
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plugins/HoloColorPicker/project.properties Normal file
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@ -0,0 +1,15 @@
# This file is automatically generated by Android Tools.
# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
#
# This file must be checked in Version Control Systems.
#
# To customize properties used by the Ant build system edit
# "ant.properties", and override values to adapt the script to your
# project structure.
#
# To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
#proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
# Project target.
target=android-17
android.library=true

7
plugins/HoloColorPicker/res/values/attrs.xml Normal file
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@ -0,0 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="ColorPicker">
<attr name="wheel_size" format="integer" />
<attr name="pointer_size" format="integer" />
</declare-styleable>
</resources>

486
plugins/HoloColorPicker/src/com/larswerkman/colorpicker/ColorPicker.java Normal file
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/*
* Copyright 2012 Lars Werkman
*
* 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.larswerkman.colorpicker;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.Shader;
import android.graphics.SweepGradient;
import android.os.Bundle;
import android.os.Parcelable;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
/**
* Displays a holo-themed color picker.
*
* <p>
* Use {@link #getColor()} to retrieve the selected color.
* </p>
*/
public class ColorPicker extends View {
/*
* Constants used to save/restore the instance state.
*/
private static final String STATE_PARENT = "parent";
private static final String STATE_ANGLE = "angle";
/**
* Colors to construct the color wheel using {@link SweepGradient}.
*
* <p>
* Note: The algorithm in {@link #normalizeColor(int)} highly depends on these exact values. Be
* aware that {@link #setColor(int)} might break if you change this array.
* </p>
*/
private static final int[] COLORS = new int[] { 0xFFFF0000, 0xFFFF00FF, 0xFF0000FF, 0xFF00FFFF,
0xFF00FF00, 0xFFFFFF00, 0xFFFF0000 };
/**
* {@code Paint} instance used to draw the color wheel.
*/
private Paint mColorWheelPaint;
/**
* {@code Paint} instance used to draw the pointer's "halo".
*/
private Paint mPointerHaloPaint;
/**
* {@code Paint} instance used to draw the pointer (the selected color).
*/
private Paint mPointerColor;
/**
* The stroke width used to paint the color wheel (in pixels).
*/
private int mColorWheelStrokeWidth;
/**
* The radius of the pointer (in pixels).
*/
private int mPointerRadius;
/**
* The rectangle enclosing the color wheel.
*/
private RectF mColorWheelRectangle = new RectF();
/**
* {@code true} if the user clicked on the pointer to start the move mode. {@code false} once
* the user stops touching the screen.
*
* @see #onTouchEvent(MotionEvent)
*/
private boolean mUserIsMovingPointer = false;
/**
* The ARGB value of the currently selected color.
*/
private int mColor;
/**
* Number of pixels the origin of this view is moved in X- and Y-direction.
*
* <p>
* We use the center of this (quadratic) View as origin of our internal coordinate system.
* Android uses the upper left corner as origin for the View-specific coordinate system. So this
* is the value we use to translate from one coordinate system to the other.
* </p>
*
* <p>Note: (Re)calculated in {@link #onMeasure(int, int)}.</p>
*
* @see #onDraw(Canvas)
*/
private float mTranslationOffset;
/**
* Radius of the color wheel in pixels.
*
* <p>Note: (Re)calculated in {@link #onMeasure(int, int)}.</p>
*/
private float mColorWheelRadius;
/**
* The pointer's position expressed as angle (in rad).
*/
private float mAngle;
public ColorPicker(Context context) {
super(context);
init(null, 0);
}
public ColorPicker(Context context, AttributeSet attrs) {
super(context, attrs);
init(attrs, 0);
}
public ColorPicker(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(attrs, defStyle);
}
private void init(AttributeSet attrs, int defStyle) {
final TypedArray a = getContext().obtainStyledAttributes(attrs,
R.styleable.ColorPicker, defStyle, 0);
mColorWheelStrokeWidth = a.getInteger(R.styleable.ColorPicker_wheel_size, 16);
mPointerRadius = a.getInteger(R.styleable.ColorPicker_pointer_size, 48);
a.recycle();
Shader s = new SweepGradient(0, 0, COLORS, null);
mColorWheelPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mColorWheelPaint.setShader(s);
mColorWheelPaint.setStyle(Paint.Style.STROKE);
mColorWheelPaint.setStrokeWidth(mColorWheelStrokeWidth);
mPointerHaloPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mPointerHaloPaint.setColor(Color.BLACK);
mPointerHaloPaint.setStrokeWidth(5);
mPointerHaloPaint.setAlpha(0x60);
mPointerColor = new Paint(Paint.ANTI_ALIAS_FLAG);
mPointerColor.setStrokeWidth(5);
mAngle = (float) (-Math.PI / 2);
mPointerColor.setColor(calculateColor(mAngle));
}
@Override
protected void onDraw(Canvas canvas) {
// All of our positions are using our internal coordinate system. Instead of translating
// them we let Canvas do the work for us.
canvas.translate(mTranslationOffset, mTranslationOffset);
// Draw the color wheel.
canvas.drawOval(mColorWheelRectangle, mColorWheelPaint);
float[] pointerPosition = calculatePointerPosition(mAngle);
// Draw the pointer's "halo"
canvas.drawCircle(pointerPosition[0], pointerPosition[1], mPointerRadius, mPointerHaloPaint);
// Draw the pointer (the currently selected color) slightly smaller on top.
canvas.drawCircle(pointerPosition[0], pointerPosition[1],
(float) (mPointerRadius / 1.2), mPointerColor);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int height = getDefaultSize(getSuggestedMinimumHeight(),
heightMeasureSpec);
int width = getDefaultSize(getSuggestedMinimumWidth(), widthMeasureSpec);
int min = Math.min(width, height);
setMeasuredDimension(min, min);
mTranslationOffset = min * 0.5f;
mColorWheelRadius = mTranslationOffset - mPointerRadius;
mColorWheelRectangle.set(-mColorWheelRadius, -mColorWheelRadius, mColorWheelRadius,
mColorWheelRadius);
}
private int ave(int s, int d, float p) {
return s + java.lang.Math.round(p * (d - s));
}
/**
* Calculate the color using the supplied angle.
*
* @param angle
* The selected color's position expressed as angle (in rad).
*
* @return The ARGB value of the color on the color wheel at the specified angle.
*/
private int calculateColor(float angle) {
float unit = (float) (angle / (2 * Math.PI));
if (unit < 0) {
unit += 1;
}
if (unit <= 0) {
return COLORS[0];
}
if (unit >= 1) {
return COLORS[COLORS.length - 1];
}
float p = unit * (COLORS.length - 1);
int i = (int) p;
p -= i;
int c0 = COLORS[i];
int c1 = COLORS[i + 1];
int a = ave(Color.alpha(c0), Color.alpha(c1), p);
int r = ave(Color.red(c0), Color.red(c1), p);
int g = ave(Color.green(c0), Color.green(c1), p);
int b = ave(Color.blue(c0), Color.blue(c1), p);
mColor = Color.argb(a, r, g, b);
return Color.argb(a, r, g, b);
}
/**
* Get the currently selected color.
*
* @return The ARGB value of the currently selected color.
*/
public int getColor() {
return mColor;
}
/**
* Set the color to be highlighted by the pointer.
*
* @param color
* The RGB value of the color to highlight. If this is not a color displayed on the
* color wheel a very simple algorithm is used to map it to the color wheel. The
* resulting color often won't look close to the original color. This is especially true
* for shades of grey. You have been warned!
*/
public void setColor(int color) {
mAngle = colorToAngle(color);
mPointerColor.setColor(calculateColor(mAngle));
invalidate();
}
/**
* Convert a color to an angle.
*
* @param color
* The RGB value of the color to "find" on the color wheel. {@link #normalizeColor(int)}
* will be used to map this color to one on the color wheel if necessary.
*
* @return The angle (in rad) the "normalized" color is displayed on the color wheel.
*/
private float colorToAngle(int color) {
int[] colorInfo = normalizeColor(color);
int normColor = colorInfo[0];
int colorMask = colorInfo[1];
int shiftValue = colorInfo[2];
int anchorColor = (normColor & ~colorMask);
// Find the "anchor" color in the COLORS array
for (int i = 0; i < COLORS.length - 1; i++) {
if (COLORS[i] == anchorColor) {
int nextValue = COLORS[i + 1];
double value;
double decimals = ((normColor >> shiftValue) & 0xFF) / 255D;
// Find out if the gradient our color belongs to goes from the element just found to
// the next element in the array.
if ((nextValue & colorMask) != (anchorColor & colorMask)) {
// Compute value depending of the gradient direction
if (nextValue < anchorColor) {
value = i + 1 - decimals;
} else {
value = i + decimals;
}
} else {
// It's a gradient from this element to the previous element in the array.
// Wrap to the end of the array if the "anchor" color is the first element.
int index = (i == 0) ? COLORS.length - 1 : i;
int prevValue = COLORS[index - 1];
// Compute value depending of the gradient direction
if (prevValue < anchorColor) {
value = index - 1 + decimals;
} else {
value = index - decimals;
}
}
// Calculate the angle in rad (from -PI to PI)
float angle = (float) (2 * Math.PI * value / (COLORS.length - 1));
if (angle > Math.PI) {
angle -= 2 * Math.PI;
}
return angle;
}
}
// This shouldn't happen
return 0;
}
/**
* "Normalize" the supplied color.
*
* <p>
* This will set the lowest value of R,G,B to 0, the highest to 255, and will keep the middle
* value.<br>
* For values close to those on the color wheel this will result in close matches. For other
* values, especially shades of grey this will produce funny results.
* </p>
*
* @param color
* The color to "normalize".
*
* @return An {@code int} array with the following contents:
* <ol>
* <li>The ARGB value of the "normalized" color.</li>
* <li>A mask with all bits {@code 0} but those for the byte representing the
* "middle value" that remains unchanged in the "normalized" color.</li>
* <li>The number of bits the "normalized" color has to be shifted to the right so the
* "middle value" is in the lower 8 bits.</li>
* </ol>
*/
private int[] normalizeColor(int color) {
int red = Color.red(color);
int green = Color.green(color);
int blue = Color.blue(color);
int newRed = red;
int newGreen = green;
int newBlue = blue;
int maskRed = 0;
int maskGreen = 0;
int maskBlue = 0;
int shiftValue;
if (red < green && red < blue) {
// Red is the smallest component
newRed = 0;
if (green > blue) {
// Green is the largest component
shiftValue = 0;
maskBlue = 0xFF;
newGreen = 0xFF;
} else {
// We make blue the largest component
shiftValue = 8;
maskGreen = 0xFF;
newBlue = 0xFF;
}
} else if (green < red && green < blue) {
// Green is the smallest component
newGreen = 0;
if (red > blue) {
// Red is the largest component
shiftValue = 0;
maskBlue = 0xFF;
newRed = 0xFF;
} else {
// We make blue the largest component
shiftValue = 16;
maskRed = 0xFF;
newBlue = 0xFF;
}
} else {
// We make blue the smallest component
newBlue = 0;
if (red > green) {
// Red is the largest component
shiftValue = 8;
maskGreen = 0xFF;
newRed = 0xFF;
} else {
// We make green the largest component
shiftValue = 16;
maskRed = 0xFF;
newGreen = 0xFF;
}
}
int normColor = Color.argb(255, newRed, newGreen, newBlue);
int colorMask = Color.argb(0, maskRed, maskGreen, maskBlue);
return new int[] { normColor, colorMask, shiftValue };
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// Convert coordinates to our internal coordinate system
float x = event.getX() - mTranslationOffset;
float y = event.getY() - mTranslationOffset;
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
// Check whether the user pressed on (or near) the pointer
float[] pointerPosition = calculatePointerPosition(mAngle);
if (x >= (pointerPosition[0] - 48) && x <= (pointerPosition[0] + 48)
&& y >= (pointerPosition[1] - 48) && y <= (pointerPosition[1] + 48)) {
mUserIsMovingPointer = true;
invalidate();
}
break;
case MotionEvent.ACTION_MOVE:
if (mUserIsMovingPointer) {
mAngle = (float) java.lang.Math.atan2(y, x);
mPointerColor.setColor(calculateColor(mAngle));
invalidate();
}
break;
case MotionEvent.ACTION_UP:
mUserIsMovingPointer = false;
break;
}
return true;
}
/**
* Calculate the pointer's coordinates on the color wheel using the supplied angle.
*
* @param angle
* The position of the pointer expressed as angle (in rad).
*
* @return The coordinates of the pointer's center in our internal coordinate system.
*/
private float[] calculatePointerPosition(float angle) {
float x = (float) (mColorWheelRadius * Math.cos(angle));
float y = (float) (mColorWheelRadius * Math.sin(angle));
return new float[] { x, y };
}
@Override
protected Parcelable onSaveInstanceState() {
Parcelable superState = super.onSaveInstanceState();
Bundle state = new Bundle();
state.putParcelable(STATE_PARENT, superState);
state.putFloat(STATE_ANGLE, mAngle);
return state;
}
@Override
protected void onRestoreInstanceState(Parcelable state) {
Bundle savedState = (Bundle) state;
Parcelable superState = savedState.getParcelable(STATE_PARENT);
super.onRestoreInstanceState(superState);
mAngle = savedState.getFloat(STATE_ANGLE);
mPointerColor.setColor(calculateColor(mAngle));
}
}

1
project.properties
View File

@ -16,3 +16,4 @@ extensible.libs.classpath=compile-only-libs
android.library.reference.1=plugins/ActionBarSherlock/library android.library.reference.1=plugins/ActionBarSherlock/library
android.library.reference.2=plugins/Android-PullToRefresh/library android.library.reference.2=plugins/Android-PullToRefresh/library
android.library.reference.3=plugins/ckChangeLog/library android.library.reference.3=plugins/ckChangeLog/library
android.library.reference.4=plugins/HoloColorPicker

15
res/layout/color_picker_dialog.xml Normal file
View File

@ -0,0 +1,15 @@
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res/com.fsck.k9"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<com.larswerkman.colorpicker.ColorPicker
android:id="@+id/color_picker"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_margin="8dp"
app:pointer_size="48"
app:wheel_size="16" />
</FrameLayout>

3
src/com/fsck/k9/activity/Accounts.java
View File

@ -1200,7 +1200,8 @@ public class Accounts extends K9ListActivity implements OnItemClickListener {
new String[] {"HtmlCleaner", "http://htmlcleaner.sourceforge.net/"}, new String[] {"HtmlCleaner", "http://htmlcleaner.sourceforge.net/"},
new String[] {"ActionBarSherlock", "http://actionbarsherlock.com/"}, new String[] {"ActionBarSherlock", "http://actionbarsherlock.com/"},
new String[] {"Android-PullToRefresh", "https://github.com/chrisbanes/Android-PullToRefresh"}, new String[] {"Android-PullToRefresh", "https://github.com/chrisbanes/Android-PullToRefresh"},
new String[] {"ckChangeLog", "https://github.com/cketti/ckChangeLog"} new String[] {"ckChangeLog", "https://github.com/cketti/ckChangeLog"},
new String[] {"HoloColorPicker", "https://github.com/LarsWerkman/HoloColorPicker"}
}; };
private void onAbout() { private void onAbout() {

224
src/com/fsck/k9/activity/ColorPickerDialog.java
View File

@ -1,218 +1,68 @@
/* Sourced from http://code.google.com/p/android-color-picker/source/browse/trunk/AmbilWarna/src/yuku/ambilwarna/AmbilWarnaDialog.java?r=1
* On 2010-11-07
* Translated to English, Ported to use the same (inferior) API as the more standard "ColorPickerDialog" and imported into the K-9 namespace by Jesse Vincent
* In an ideal world, we should move to using AmbilWarna as an Android Library Project in the future
* License: Apache 2.0
* Author: yukuku@code.google.com
*/
package com.fsck.k9.activity; package com.fsck.k9.activity;
import com.fsck.k9.R; import com.fsck.k9.R;
import android.app.AlertDialog; import android.app.AlertDialog;
import android.content.*; import android.content.*;
import android.graphics.Color; import android.view.LayoutInflater;
import android.os.Bundle; import android.view.View;
import android.util.Log;
import android.view.*; import com.larswerkman.colorpicker.ColorPicker;
import android.widget.*;
import com.fsck.k9.view.ColorPickerBox;
/**
* Dialog displaying a color picker.
*/
public class ColorPickerDialog extends AlertDialog { public class ColorPickerDialog extends AlertDialog {
private static final String TAG = ColorPickerDialog.class.getSimpleName();
private static final String BUNDLE_KEY_PARENT_BUNDLE = "parent";
private static final String BUNDLE_KEY_COLOR_OLD = "color_old";
private static final String BUNDLE_KEY_COLOR_NEW = "color_new";
/**
* The interface users of {@link ColorPickerDialog} have to implement to learn the selected
* color.
*/
public interface OnColorChangedListener { public interface OnColorChangedListener {
/**
* This is called after the user pressed the "OK" button of the dialog.
*
* @param color
* The ARGB value of the selected color.
*/
void colorChanged(int color); void colorChanged(int color);
} }
OnColorChangedListener listener; OnColorChangedListener mColorChangedListener;
View viewHue; ColorPicker mColorPicker;
ColorPickerBox viewBox;
ImageView arrow;
View viewColorOld;
View viewColorNew;
ImageView viewSpyglass;
float onedp;
int colorOld;
int colorNew;
float hue;
float sat;
float val;
float sizeUiDp = 240.f;
float sizeUiPx; // diset di constructor
public ColorPickerDialog(Context context, OnColorChangedListener listener, int color) { public ColorPickerDialog(Context context, OnColorChangedListener listener, int color) {
super(context); super(context);
this.listener = listener; mColorChangedListener = listener;
initColor(color); View view = LayoutInflater.from(context).inflate(R.layout.color_picker_dialog, null);
onedp = context.getResources().getDimension(R.dimen.colorpicker_onedp); mColorPicker = (ColorPicker) view.findViewById(R.id.color_picker);
sizeUiPx = sizeUiDp * onedp; mColorPicker.setColor(color);
Log.d(TAG, "onedp = " + onedp + ", sizeUiPx=" + sizeUiPx); //$NON-NLS-1$//$NON-NLS-2$
View view = LayoutInflater.from(context).inflate(R.layout.colorpicker_dialog, null); setView(view);
viewHue = view.findViewById(R.id.colorpicker_viewHue);
viewBox = (ColorPickerBox) view.findViewById(R.id.colorpicker_viewBox);
arrow = (ImageView) view.findViewById(R.id.colorpicker_arrow);
viewColorOld = view.findViewById(R.id.colorpicker_colorOld);
viewColorNew = view.findViewById(R.id.colorpicker_colorNew);
viewSpyglass = (ImageView) view.findViewById(R.id.colorpicker_spyglass);
updateView(); setButton(BUTTON_POSITIVE, context.getString(R.string.okay_action),
viewHue.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_MOVE
|| event.getAction() == MotionEvent.ACTION_DOWN
|| event.getAction() == MotionEvent.ACTION_UP) {
float y = event.getY(); // dalam px, bukan dp
if (y < 0.f) y = 0.f;
if (y > sizeUiPx) y = sizeUiPx - 0.001f;
hue = 360.f - 360.f / sizeUiPx * y;
if (hue == 360.f) hue = 0.f;
colorNew = calculateColor();
// update view
viewBox.setHue(hue);
placeArrow();
viewColorNew.setBackgroundColor(colorNew);
return true;
}
return false;
}
});
viewBox.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_MOVE
|| event.getAction() == MotionEvent.ACTION_DOWN
|| event.getAction() == MotionEvent.ACTION_UP) {
float x = event.getX(); // dalam px, bukan dp
float y = event.getY(); // dalam px, bukan dp
if (x < 0.f) x = 0.f;
if (x > sizeUiPx) x = sizeUiPx;
if (y < 0.f) y = 0.f;
if (y > sizeUiPx) y = sizeUiPx;
sat = (1.f / sizeUiPx * x);
val = 1.f - (1.f / sizeUiPx * y);
colorNew = calculateColor();
// update view
placeSpyglass();
viewColorNew.setBackgroundColor(colorNew);
return true;
}
return false;
}
});
this.setView(view);
this.setButton(BUTTON_POSITIVE, context.getString(R.string.okay_action),
new DialogInterface.OnClickListener() { new DialogInterface.OnClickListener() {
@Override @Override
public void onClick(DialogInterface dialog, int which) { public void onClick(DialogInterface dialog, int which) {
if (ColorPickerDialog.this.listener != null) { if (mColorChangedListener != null) {
ColorPickerDialog.this.listener.colorChanged(colorNew); mColorChangedListener.colorChanged(mColorPicker.getColor());
} }
} }
}); });
this.setButton(BUTTON_NEGATIVE, context.getString(R.string.cancel_action), (OnClickListener) null); setButton(BUTTON_NEGATIVE, context.getString(R.string.cancel_action),
} (OnClickListener) null);
private void updateView() {
placeArrow();
placeSpyglass();
viewBox.setHue(hue);
viewColorOld.setBackgroundColor(colorOld);
viewColorNew.setBackgroundColor(colorNew);
}
private void initColor(int color) {
colorNew = color;
colorOld = color;
Color.colorToHSV(color, tmp01);
hue = tmp01[0];
sat = tmp01[1];
val = tmp01[2];
} }
/**
* Set the color the color picker should highlight as selected color.
*
* @param color
* The (A)RGB value of a color (the alpha channel will be ignored).
*/
public void setColor(int color) { public void setColor(int color) {
initColor(color); mColorPicker.setColor(color);
updateView();
}
@Override
public Bundle onSaveInstanceState() {
Bundle parentBundle = super.onSaveInstanceState();
Bundle savedInstanceState = new Bundle();
savedInstanceState.putBundle(BUNDLE_KEY_PARENT_BUNDLE, parentBundle);
savedInstanceState.putInt(BUNDLE_KEY_COLOR_OLD, colorOld);
savedInstanceState.putInt(BUNDLE_KEY_COLOR_NEW, colorNew);
return savedInstanceState;
}
@Override
public void onRestoreInstanceState(Bundle savedInstanceState) {
Bundle parentBundle = savedInstanceState.getBundle(BUNDLE_KEY_PARENT_BUNDLE);
super.onRestoreInstanceState(parentBundle);
int color = savedInstanceState.getInt(BUNDLE_KEY_COLOR_NEW);
// Sets colorOld, colorNew to color and initializes hue, sat, val from color
initColor(color);
// Now restore the real colorOld value
colorOld = savedInstanceState.getInt(BUNDLE_KEY_COLOR_OLD);
updateView();
}
@SuppressWarnings("deprecation")
protected void placeArrow() {
float y = sizeUiPx - (hue * sizeUiPx / 360.f);
if (y == sizeUiPx) y = 0.f;
AbsoluteLayout.LayoutParams layoutParams = (AbsoluteLayout.LayoutParams) arrow.getLayoutParams();
layoutParams.y = (int)(y + 4);
arrow.setLayoutParams(layoutParams);
}
@SuppressWarnings("deprecation")
protected void placeSpyglass() {
float x = sat * sizeUiPx;
float y = (1.f - val) * sizeUiPx;
AbsoluteLayout.LayoutParams layoutParams = (AbsoluteLayout.LayoutParams) viewSpyglass.getLayoutParams();
layoutParams.x = (int)(x + 3);
layoutParams.y = (int)(y + 3);
viewSpyglass.setLayoutParams(layoutParams);
}
float[] tmp01 = new float[3];
private int calculateColor() {
tmp01[0] = hue;
tmp01[1] = sat;
tmp01[2] = val;
return Color.HSVToColor(tmp01);
} }
} }