@ -22,12 +22,12 @@ import android.graphics.Color;
import android.graphics.ComposeShader ; import android.graphics.ComposeShader ;
import android.graphics.LinearGradient ; import android.graphics.LinearGradient ;
import android.graphics.Paint ; import android.graphics.Paint ;
import android.graphics.Paint.Align ;
import android.graphics.Paint.Style ;
import android.graphics.Point ; import android.graphics.Point ;
import android.graphics.PorterDuff ; import android.graphics.PorterDuff ;
import android.graphics.RectF ; import android.graphics.RectF ;
import android.graphics.Shader ; import android.graphics.Shader ;
import android.graphics.Paint.Align ;
import android.graphics.Paint.Style ;
import android.graphics.Shader.TileMode ; import android.graphics.Shader.TileMode ;
import android.util.AttributeSet ; import android.util.AttributeSet ;
import android.view.MotionEvent ; import android.view.MotionEvent ;
@ -42,103 +42,103 @@ import android.view.View;
* / * /
public class ColorPickerView extends View { public class ColorPickerView extends View {
private final static int PANEL_SAT_VAL = 0 ; private final static int PANEL_SAT_VAL = 0 ;
private final static int PANEL_HUE = 1 ; private final static int PANEL_HUE = 1 ;
private final static int PANEL_ALPHA = 2 ; private final static int PANEL_ALPHA = 2 ;
/ * * / * *
* The width in pixels of the border * The width in pixels of the border
* surrounding all color panels . * surrounding all color panels .
* / * /
private final static float BORDER_WIDTH_PX = 1 ; private final static float BORDER_WIDTH_PX = 1 ;
/ * * / * *
* The width in dp of the hue panel . * The width in dp of the hue panel .
* / * /
private float HUE_PANEL_WIDTH = 30f ; private float HUE_PANEL_WIDTH = 30f ;
/ * * / * *
* The height in dp of the alpha panel * The height in dp of the alpha panel
* / * /
private float ALPHA_PANEL_HEIGHT = 20f ; private float ALPHA_PANEL_HEIGHT = 20f ;
/ * * / * *
* The distance in dp between the different * The distance in dp between the different
* color panels . * color panels .
* / * /
private float PANEL_SPACING = 10f ; private float PANEL_SPACING = 10f ;
/ * * / * *
* The radius in dp of the color palette tracker circle . * The radius in dp of the color palette tracker circle .
* / * /
private float PALETTE_CIRCLE_TRACKER_RADIUS = 5f ; private float PALETTE_CIRCLE_TRACKER_RADIUS = 5f ;
/ * * / * *
* The dp which the tracker of the hue or alpha panel * The dp which the tracker of the hue or alpha panel
* will extend outside of its bounds . * will extend outside of its bounds .
* / * /
private float RECTANGLE_TRACKER_OFFSET = 2f ; private float RECTANGLE_TRACKER_OFFSET = 2f ;
private float mDensity = 1f ; private float mDensity = 1f ;
private OnColorChangedListener mListener ; private OnColorChangedListener mListener ;
private Paint mSatValPaint ; private Paint mSatValPaint ;
private Paint mSatValTrackerPaint ; private Paint mSatValTrackerPaint ;
private Paint mHuePaint ; private Paint mHuePaint ;
private Paint mHueTrackerPaint ; private Paint mHueTrackerPaint ;
private Paint mAlphaPaint ; private Paint mAlphaPaint ;
private Paint mAlphaTextPaint ; private Paint mAlphaTextPaint ;
private Paint mBorderPaint ; private Paint mBorderPaint ;
private Shader mValShader ; private Shader mValShader ;
private Shader mSatShader ; private Shader mSatShader ;
private Shader mHueShader ; private Shader mHueShader ;
private Shader mAlphaShader ; private Shader mAlphaShader ;
private int mAlpha = 0xff ; private int mAlpha = 0xff ;
private float mHue = 360f ; private float mHue = 360f ;
private float mSat = 0f ; private float mSat = 0f ;
private float mVal = 0f ; private float mVal = 0f ;
private String mAlphaSliderText = "" ; private String mAlphaSliderText = "" ;
private int mSliderTrackerColor = 0xff1c1c1c ; private int mSliderTrackerColor = 0xff1c1c1c ;
private int mBorderColor = 0xff6E6E6E ; private int mBorderColor = 0xff6E6E6E ;
private boolean mShowAlphaPanel = false ; private boolean mShowAlphaPanel = false ;
/ * / *
* To remember which panel that has the "focus" when * To remember which panel that has the "focus" when
* processing hardware button data . * processing hardware button data .
* / * /
private int mLastTouchedPanel = PANEL_SAT_VAL ; private int mLastTouchedPanel = PANEL_SAT_VAL ;
/ * * / * *
* Offset from the edge we must have or else * Offset from the edge we must have or else
* the finger tracker will get clipped when * the finger tracker will get clipped when
* it is drawn outside of the view . * it is drawn outside of the view .
* / * /
private float mDrawingOffset ; private float mDrawingOffset ;
/ * / *
* Distance form the edges of the view * Distance form the edges of the view
* of where we are allowed to draw . * of where we are allowed to draw .
* / * /
private RectF mDrawingRect ; private RectF mDrawingRect ;
private RectF mSatValRect ; private RectF mSatValRect ;
private RectF mHueRect ; private RectF mHueRect ;
private RectF mAlphaRect ; private RectF mAlphaRect ;
private AlphaPatternDrawable mAlphaPattern ; private AlphaPatternDrawable mAlphaPattern ;
private Point mStartTouchPoint = null ; private Point mStartTouchPoint = null ;
public interface OnColorChangedListener { public interface OnColorChangedListener {
public void onColorChanged ( int color ) ; public void onColorChanged ( int color ) ;
} }
public ColorPickerView ( Context context ) { public ColorPickerView ( Context context ) {
this ( context , null ) ; this ( context , null ) ;
} }
@ -151,7 +151,7 @@ public class ColorPickerView extends View {
init ( ) ; init ( ) ;
} }
private void init ( ) { private void init ( ) {
mDensity = getContext ( ) . getResources ( ) . getDisplayMetrics ( ) . density ; mDensity = getContext ( ) . getResources ( ) . getDisplayMetrics ( ) . density ;
PALETTE_CIRCLE_TRACKER_RADIUS * = mDensity ; PALETTE_CIRCLE_TRACKER_RADIUS * = mDensity ;
RECTANGLE_TRACKER_OFFSET * = mDensity ; RECTANGLE_TRACKER_OFFSET * = mDensity ;
@ -168,7 +168,7 @@ public class ColorPickerView extends View {
setFocusableInTouchMode ( true ) ; setFocusableInTouchMode ( true ) ;
} }
private void initPaintTools ( ) { private void initPaintTools ( ) {
mSatValPaint = new Paint ( ) ; mSatValPaint = new Paint ( ) ;
mSatValTrackerPaint = new Paint ( ) ; mSatValTrackerPaint = new Paint ( ) ;
@ -197,19 +197,19 @@ public class ColorPickerView extends View {
} }
private float calculateRequiredOffset ( ) { private float calculateRequiredOffset ( ) {
float offset = Math . max ( PALETTE_CIRCLE_TRACKER_RADIUS , RECTANGLE_TRACKER_OFFSET ) ; float offset = Math . max ( PALETTE_CIRCLE_TRACKER_RADIUS , RECTANGLE_TRACKER_OFFSET ) ;
offset = Math . max ( offset , BORDER_WIDTH_PX * mDensity ) ; offset = Math . max ( offset , BORDER_WIDTH_PX * mDensity ) ;
return offset * 1 . 5f ; return offset * 1 . 5f ;
} }
private int [ ] buildHueColorArray ( ) { private int [ ] buildHueColorArray ( ) {
int [ ] hue = new int [ 361 ] ; int [ ] hue = new int [ 361 ] ;
int count = 0 ; int count = 0 ;
for ( int i = hue . length - 1 ; i > = 0 ; i - - , count + + ) { for ( int i = hue . length - 1 ; i > = 0 ; i - - , count + + ) {
hue [ count ] = Color . HSVToColor ( new float [ ] { i , 1f , 1f } ) ; hue [ count ] = Color . HSVToColor ( new float [ ] { i , 1f , 1f } ) ;
} }
@ -220,7 +220,9 @@ public class ColorPickerView extends View {
@Override @Override
protected void onDraw ( Canvas canvas ) { protected void onDraw ( Canvas canvas ) {
if ( mDrawingRect . width ( ) < = 0 | | mDrawingRect . height ( ) < = 0 ) return ; if ( mDrawingRect . width ( ) < = 0 | | mDrawingRect . height ( ) < = 0 ) {
return ;
}
drawSatValPanel ( canvas ) ; drawSatValPanel ( canvas ) ;
drawHuePanel ( canvas ) ; drawHuePanel ( canvas ) ;
@ -228,24 +230,24 @@ public class ColorPickerView extends View {
} }
private void drawSatValPanel ( Canvas canvas ) { private void drawSatValPanel ( Canvas canvas ) {
final RectF rect = mSatValRect ; final RectF rect = mSatValRect ;
if ( BORDER_WIDTH_PX > 0 ) { if ( BORDER_WIDTH_PX > 0 ) {
mBorderPaint . setColor ( mBorderColor ) ; mBorderPaint . setColor ( mBorderColor ) ;
canvas . drawRect ( mDrawingRect . left , mDrawingRect . top , rect . right + BORDER_WIDTH_PX , rect . bottom + BORDER_WIDTH_PX , mBorderPaint ) ; canvas . drawRect ( mDrawingRect . left , mDrawingRect . top , rect . right + BORDER_WIDTH_PX ,
rect . bottom + BORDER_WIDTH_PX , mBorderPaint ) ;
} }
if ( mValShader = = null ) { if ( mValShader = = null ) {
mValShader = new LinearGradient ( rect . left , rect . top , rect . left , rect . bottom , mValShader = new LinearGradient ( rect . left , rect . top , rect . left , rect . bottom , 0xffffffff , 0xff000000 ,
0xffffffff , 0xff000000 , TileMode . CLAMP ) ; TileMode . CLAMP ) ;
} }
int rgb = Color . HSVToColor ( new float [ ] { mHue , 1f , 1f } ) ; int rgb = Color . HSVToColor ( new float [ ] { mHue , 1f , 1f } ) ;
mSatShader = new LinearGradient ( rect . left , rect . top , rect . right , rect . top , mSatShader = new LinearGradient ( rect . left , rect . top , rect . right , rect . top , 0xffffffff , rgb , TileMode . CLAMP ) ;
0xffffffff , rgb , TileMode . CLAMP ) ;
ComposeShader mShader = new ComposeShader ( mValShader , mSatShader , PorterDuff . Mode . MULTIPLY ) ; ComposeShader mShader = new ComposeShader ( mValShader , mSatShader , PorterDuff . Mode . MULTIPLY ) ;
mSatValPaint . setShader ( mShader ) ; mSatValPaint . setShader ( mShader ) ;
@ -261,21 +263,19 @@ public class ColorPickerView extends View {
} }
private void drawHuePanel ( Canvas canvas ) { private void drawHuePanel ( Canvas canvas ) {
final RectF rect = mHueRect ; final RectF rect = mHueRect ;
if ( BORDER_WIDTH_PX > 0 ) { if ( BORDER_WIDTH_PX > 0 ) {
mBorderPaint . setColor ( mBorderColor ) ; mBorderPaint . setColor ( mBorderColor ) ;
canvas . drawRect ( rect . left - BORDER_WIDTH_PX , canvas . drawRect ( rect . left - BORDER_WIDTH_PX , rect . top - BORDER_WIDTH_PX , rect . right + BORDER_WIDTH_PX ,
rect . top - BORDER_WIDTH_PX , rect . bottom + BORDER_WIDTH_PX , mBorderPaint ) ;
rect . right + BORDER_WIDTH_PX ,
rect . bottom + BORDER_WIDTH_PX ,
mBorderPaint ) ;
} }
if ( mHueShader = = null ) { if ( mHueShader = = null ) {
mHueShader = new LinearGradient ( rect . left , rect . top , rect . left , rect . bottom , buildHueColorArray ( ) , null , TileMode . CLAMP ) ; mHueShader = new LinearGradient ( rect . left , rect . top , rect . left , rect . bottom , buildHueColorArray ( ) , null ,
TileMode . CLAMP ) ;
mHuePaint . setShader ( mHueShader ) ; mHuePaint . setShader ( mHueShader ) ;
} }
@ -296,37 +296,35 @@ public class ColorPickerView extends View {
} }
private void drawAlphaPanel ( Canvas canvas ) { private void drawAlphaPanel ( Canvas canvas ) {
if ( ! mShowAlphaPanel | | mAlphaRect = = null | | mAlphaPattern = = null ) return ; if ( ! mShowAlphaPanel | | mAlphaRect = = null | | mAlphaPattern = = null ) {
return ;
}
final RectF rect = mAlphaRect ; final RectF rect = mAlphaRect ;
if ( BORDER_WIDTH_PX > 0 ) { if ( BORDER_WIDTH_PX > 0 ) {
mBorderPaint . setColor ( mBorderColor ) ; mBorderPaint . setColor ( mBorderColor ) ;
canvas . drawRect ( rect . left - BORDER_WIDTH_PX , canvas . drawRect ( rect . left - BORDER_WIDTH_PX , rect . top - BORDER_WIDTH_PX , rect . right + BORDER_WIDTH_PX ,
rect . top - BORDER_WIDTH_PX , rect . bottom + BORDER_WIDTH_PX , mBorderPaint ) ;
rect . right + BORDER_WIDTH_PX ,
rect . bottom + BORDER_WIDTH_PX ,
mBorderPaint ) ;
} }
mAlphaPattern . draw ( canvas ) ; mAlphaPattern . draw ( canvas ) ;
float [ ] hsv = new float [ ] { mHue , mSat , mVal } ; float [ ] hsv = new float [ ] { mHue , mSat , mVal } ;
int color = Color . HSVToColor ( hsv ) ; int color = Color . HSVToColor ( hsv ) ;
int acolor = Color . HSVToColor ( 0 , hsv ) ; int acolor = Color . HSVToColor ( 0 , hsv ) ;
mAlphaShader = new LinearGradient ( rect . left , rect . top , rect . right , rect . top , mAlphaShader = new LinearGradient ( rect . left , rect . top , rect . right , rect . top , color , acolor , TileMode . CLAMP ) ;
color , acolor , TileMode . CLAMP ) ;
mAlphaPaint . setShader ( mAlphaShader ) ; mAlphaPaint . setShader ( mAlphaShader ) ;
canvas . drawRect ( rect , mAlphaPaint ) ; canvas . drawRect ( rect , mAlphaPaint ) ;
if ( mAlphaSliderText ! = null & & mAlphaSliderText ! = "" ) { if ( mAlphaSliderText ! = null & & mAlphaSliderText ! = "" ) {
canvas . drawText ( mAlphaSliderText , rect . centerX ( ) , rect . centerY ( ) + 4 * mDensity , mAlphaTextPaint ) ; canvas . drawText ( mAlphaSliderText , rect . centerX ( ) , rect . centerY ( ) + 4 * mDensity , mAlphaTextPaint ) ;
} }
@ -345,7 +343,7 @@ public class ColorPickerView extends View {
} }
private Point hueToPoint ( float hue ) { private Point hueToPoint ( float hue ) {
final RectF rect = mHueRect ; final RectF rect = mHueRect ;
final float height = rect . height ( ) ; final float height = rect . height ( ) ;
@ -358,7 +356,7 @@ public class ColorPickerView extends View {
return p ; return p ;
} }
private Point satValToPoint ( float sat , float val ) { private Point satValToPoint ( float sat , float val ) {
final RectF rect = mSatValRect ; final RectF rect = mSatValRect ;
final float height = rect . height ( ) ; final float height = rect . height ( ) ;
@ -372,7 +370,7 @@ public class ColorPickerView extends View {
return p ; return p ;
} }
private Point alphaToPoint ( int alpha ) { private Point alphaToPoint ( int alpha ) {
final RectF rect = mAlphaRect ; final RectF rect = mAlphaRect ;
final float width = rect . width ( ) ; final float width = rect . width ( ) ;
@ -386,7 +384,7 @@ public class ColorPickerView extends View {
} }
private float [ ] pointToSatVal ( float x , float y ) { private float [ ] pointToSatVal ( float x , float y ) {
final RectF rect = mSatValRect ; final RectF rect = mSatValRect ;
float [ ] result = new float [ 2 ] ; float [ ] result = new float [ 2 ] ;
@ -394,23 +392,19 @@ public class ColorPickerView extends View {
float width = rect . width ( ) ; float width = rect . width ( ) ;
float height = rect . height ( ) ; float height = rect . height ( ) ;
if ( x < rect . left ) { if ( x < rect . left ) {
x = 0f ; x = 0f ;
} } else if ( x > rect . right ) {
else if ( x > rect . right ) {
x = width ; x = width ;
} } else {
else {
x = x - rect . left ; x = x - rect . left ;
} }
if ( y < rect . top ) { if ( y < rect . top ) {
y = 0f ; y = 0f ;
} } else if ( y > rect . bottom ) {
else if ( y > rect . bottom ) {
y = height ; y = height ;
} } else {
else {
y = y - rect . top ; y = y - rect . top ;
} }
@ -421,38 +415,34 @@ public class ColorPickerView extends View {
return result ; return result ;
} }
private float pointToHue ( float y ) { private float pointToHue ( float y ) {
final RectF rect = mHueRect ; final RectF rect = mHueRect ;
float height = rect . height ( ) ; float height = rect . height ( ) ;
if ( y < rect . top ) { if ( y < rect . top ) {
y = 0f ; y = 0f ;
} } else if ( y > rect . bottom ) {
else if ( y > rect . bottom ) {
y = height ; y = height ;
} } else {
else {
y = y - rect . top ; y = y - rect . top ;
} }
return 360f - ( y * 360f / height ) ; return 360f - ( y * 360f / height ) ;
} }
private int pointToAlpha ( int x ) { private int pointToAlpha ( int x ) {
final RectF rect = mAlphaRect ; final RectF rect = mAlphaRect ;
final int width = ( int ) rect . width ( ) ; final int width = ( int ) rect . width ( ) ;
if ( x < rect . left ) { if ( x < rect . left ) {
x = 0 ; x = 0 ;
} } else if ( x > rect . right ) {
else if ( x > rect . right ) {
x = width ; x = width ;
} } else {
else { x = x - ( int ) rect . left ;
x = x - ( int ) rect . left ;
} }
return 0xff - ( x * 0xff / width ) ; return 0xff - ( x * 0xff / width ) ;
@ -469,87 +459,82 @@ public class ColorPickerView extends View {
boolean update = false ; boolean update = false ;
if ( event . getAction ( ) = = MotionEvent . ACTION_MOVE ) { if ( event . getAction ( ) = = MotionEvent . ACTION_MOVE ) {
switch ( mLastTouchedPanel ) { switch ( mLastTouchedPanel ) {
case PANEL_SAT_VAL : case PANEL_SAT_VAL :
float sat , val ; float sat , val ;
sat = mSat + x / 50f ; sat = mSat + x / 50f ;
val = mVal - y / 50f ; val = mVal - y / 50f ;
if ( sat < 0f ) { if ( sat < 0f ) {
sat = 0f ; sat = 0f ;
} } else if ( sat > 1f ) {
else if ( sat > 1f ) { sat = 1f ;
sat = 1f ; }
}
if ( val < 0f ) { if ( val < 0f ) {
val = 0f ; val = 0f ;
} } else if ( val > 1f ) {
else if ( val > 1f ) { val = 1f ;
val = 1f ; }
}
mSat = sat ; mSat = sat ;
mVal = val ; mVal = val ;
update = true ; update = true ;
break ; break ;
case PANEL_HUE : case PANEL_HUE :
float hue = mHue - y * 10f ; float hue = mHue - y * 10f ;
if ( hue < 0f ) { if ( hue < 0f ) {
hue = 0f ; hue = 0f ;
} } else if ( hue > 360f ) {
else if ( hue > 360f ) { hue = 360f ;
hue = 360f ; }
}
mHue = hue ; mHue = hue ;
update = true ; update = true ;
break ; break ;
case PANEL_ALPHA : case PANEL_ALPHA :
if ( ! mShowAlphaPanel | | mAlphaRect = = null ) { if ( ! mShowAlphaPanel | | mAlphaRect = = null ) {
update = false ; update = false ;
} } else {
else {
int alpha = ( int ) ( mAlpha - x * 10 ) ; int alpha = ( int ) ( mAlpha - x * 10 ) ;
if ( alpha < 0 ) { if ( alpha < 0 ) {
alpha = 0 ; alpha = 0 ;
} } else if ( alpha > 0xff ) {
else if ( alpha > 0xff ) { alpha = 0xff ;
alpha = 0xff ; }
}
mAlpha = alpha ; mAlpha = alpha ;
update = true ; update = true ;
} }
break ; break ;
} }
} }
if ( update ) { if ( update ) {
if ( mListener ! = null ) { if ( mListener ! = null ) {
mListener . onColorChanged ( Color . HSVToColor ( mAlpha , new float [ ] { mHue , mSat , mVal } ) ) ; mListener . onColorChanged ( Color . HSVToColor ( mAlpha , new float [ ] { mHue , mSat , mVal } ) ) ;
} }
@ -566,35 +551,35 @@ public class ColorPickerView extends View {
boolean update = false ; boolean update = false ;
switch ( event . getAction ( ) ) { switch ( event . getAction ( ) ) {
case MotionEvent . ACTION_DOWN : case MotionEvent . ACTION_DOWN :
mStartTouchPoint = new Point ( ( int ) event . getX ( ) , ( int ) event . getY ( ) ) ; mStartTouchPoint = new Point ( ( int ) event . getX ( ) , ( int ) event . getY ( ) ) ;
update = moveTrackersIfNeeded ( event ) ; update = moveTrackersIfNeeded ( event ) ;
break ; break ;
case MotionEvent . ACTION_MOVE : case MotionEvent . ACTION_MOVE :
update = moveTrackersIfNeeded ( event ) ; update = moveTrackersIfNeeded ( event ) ;
break ; break ;
case MotionEvent . ACTION_UP : case MotionEvent . ACTION_UP :
mStartTouchPoint = null ; mStartTouchPoint = null ;
update = moveTrackersIfNeeded ( event ) ; update = moveTrackersIfNeeded ( event ) ;
break ; break ;
} }
if ( update ) { if ( update ) {
if ( mListener ! = null ) { if ( mListener ! = null ) {
mListener . onColorChanged ( Color . HSVToColor ( mAlpha , new float [ ] { mHue , mSat , mVal } ) ) ; mListener . onColorChanged ( Color . HSVToColor ( mAlpha , new float [ ] { mHue , mSat , mVal } ) ) ;
} }
@ -606,9 +591,11 @@ public class ColorPickerView extends View {
return super . onTouchEvent ( event ) ; return super . onTouchEvent ( event ) ;
} }
private boolean moveTrackersIfNeeded ( MotionEvent event ) { private boolean moveTrackersIfNeeded ( MotionEvent event ) {
if ( mStartTouchPoint = = null ) return false ; if ( mStartTouchPoint = = null ) {
return false ;
}
boolean update = false ; boolean update = false ;
@ -616,14 +603,13 @@ public class ColorPickerView extends View {
int startY = mStartTouchPoint . y ; int startY = mStartTouchPoint . y ;
if ( mHueRect . contains ( startX , startY ) ) { if ( mHueRect . contains ( startX , startY ) ) {
mLastTouchedPanel = PANEL_HUE ; mLastTouchedPanel = PANEL_HUE ;
mHue = pointToHue ( event . getY ( ) ) ; mHue = pointToHue ( event . getY ( ) ) ;
update = true ; update = true ;
} } else if ( mSatValRect . contains ( startX , startY ) ) {
else if ( mSatValRect . contains ( startX , startY ) ) {
mLastTouchedPanel = PANEL_SAT_VAL ; mLastTouchedPanel = PANEL_SAT_VAL ;
@ -633,12 +619,11 @@ public class ColorPickerView extends View {
mVal = result [ 1 ] ; mVal = result [ 1 ] ;
update = true ; update = true ;
} } else if ( mAlphaRect ! = null & & mAlphaRect . contains ( startX , startY ) ) {
else if ( mAlphaRect ! = null & & mAlphaRect . contains ( startX , startY ) ) {
mLastTouchedPanel = PANEL_ALPHA ; mLastTouchedPanel = PANEL_ALPHA ;
mAlpha = pointToAlpha ( ( int ) event . getX ( ) ) ; mAlpha = pointToAlpha ( ( int ) event . getX ( ) ) ;
update = true ; update = true ;
} }
@ -652,47 +637,44 @@ public class ColorPickerView extends View {
int width = 0 ; int width = 0 ;
int height = 0 ; int height = 0 ;
int widthMode = MeasureSpec . getMode ( widthMeasureSpec ) ; int widthMode = MeasureSpec . getMode ( widthMeasureSpec ) ;
int heightMode = MeasureSpec . getMode ( heightMeasureSpec ) ; int heightMode = MeasureSpec . getMode ( heightMeasureSpec ) ;
int widthAllowed = MeasureSpec . getSize ( widthMeasureSpec ) ; int widthAllowed = MeasureSpec . getSize ( widthMeasureSpec ) ;
int heightAllowed = MeasureSpec . getSize ( heightMeasureSpec ) ; int heightAllowed = MeasureSpec . getSize ( heightMeasureSpec ) ;
widthAllowed = chooseWidth ( widthMode , widthAllowed ) ; widthAllowed = chooseWidth ( widthMode , widthAllowed ) ;
heightAllowed = chooseHeight ( heightMode , heightAllowed ) ; heightAllowed = chooseHeight ( heightMode , heightAllowed ) ;
if ( ! mShowAlphaPanel ) { if ( ! mShowAlphaPanel ) {
height = ( int ) ( widthAllowed - PANEL_SPACING - HUE_PANEL_WIDTH ) ; height = ( int ) ( widthAllowed - PANEL_SPACING - HUE_PANEL_WIDTH ) ;
//If calculated height (based on the width) is more than the allowed height.
//If calculated height (based on the width) is more than the allowed height.
if ( height > heightAllowed | | getTag ( ) . equals ( "landscape" ) ) { if ( height > heightAllowed | | getTag ( ) . equals ( "landscape" ) ) {
height = heightAllowed ; height = heightAllowed ;
width = ( int ) ( height + PANEL_SPACING + HUE_PANEL_WIDTH ) ; width = ( int ) ( height + PANEL_SPACING + HUE_PANEL_WIDTH ) ;
} } else {
else {
width = widthAllowed ; width = widthAllowed ;
} }
} } else {
else {
width = ( int ) ( heightAllowed - ALPHA_PANEL_HEIGHT + HUE_PANEL_WIDTH ) ; width = ( int ) ( heightAllowed - ALPHA_PANEL_HEIGHT + HUE_PANEL_WIDTH ) ;
if ( width > widthAllowed ) { if ( width > widthAllowed ) {
width = widthAllowed ; width = widthAllowed ;
height = ( int ) ( widthAllowed - HUE_PANEL_WIDTH + ALPHA_PANEL_HEIGHT ) ; height = ( int ) ( widthAllowed - HUE_PANEL_WIDTH + ALPHA_PANEL_HEIGHT ) ;
} } else {
else {
height = heightAllowed ; height = heightAllowed ;
} }
} }
setMeasuredDimension ( width , height ) ; setMeasuredDimension ( width , height ) ;
} }
private int chooseWidth ( int mode , int size ) { private int chooseWidth ( int mode , int size ) {
if ( mode = = MeasureSpec . AT_MOST | | mode = = MeasureSpec . EXACTLY ) { if ( mode = = MeasureSpec . AT_MOST | | mode = = MeasureSpec . EXACTLY ) {
return size ; return size ;
} else { // (mode == MeasureSpec.UNSPECIFIED)
} else { // (mode == MeasureSpec.UNSPECIFIED)
@ -700,7 +682,7 @@ public class ColorPickerView extends View {
} }
} }
private int chooseHeight ( int mode , int size ) { private int chooseHeight ( int mode , int size ) {
if ( mode = = MeasureSpec . AT_MOST | | mode = = MeasureSpec . EXACTLY ) { if ( mode = = MeasureSpec . AT_MOST | | mode = = MeasureSpec . EXACTLY ) {
return size ; return size ;
} else { // (mode == MeasureSpec.UNSPECIFIED)
} else { // (mode == MeasureSpec.UNSPECIFIED)
@ -708,11 +690,11 @@ public class ColorPickerView extends View {
} }
} }
private int getPrefferedWidth ( ) { private int getPrefferedWidth ( ) {
int width = getPrefferedHeight ( ) ; int width = getPrefferedHeight ( ) ;
if ( mShowAlphaPanel ) { if ( mShowAlphaPanel ) {
width - = ( PANEL_SPACING + ALPHA_PANEL_HEIGHT ) ; width - = ( PANEL_SPACING + ALPHA_PANEL_HEIGHT ) ;
} }
@ -721,11 +703,11 @@ public class ColorPickerView extends View {
} }
private int getPrefferedHeight ( ) { private int getPrefferedHeight ( ) {
int height = ( int ) ( 200 * mDensity ) ; int height = ( int ) ( 200 * mDensity ) ;
if ( mShowAlphaPanel ) { if ( mShowAlphaPanel ) {
height + = PANEL_SPACING + ALPHA_PANEL_HEIGHT ; height + = PANEL_SPACING + ALPHA_PANEL_HEIGHT ;
} }
@ -733,14 +715,13 @@ public class ColorPickerView extends View {
} }
@Override @Override
protected void onSizeChanged ( int w , int h , int oldw , int oldh ) { protected void onSizeChanged ( int w , int h , int oldw , int oldh ) {
super . onSizeChanged ( w , h , oldw , oldh ) ; super . onSizeChanged ( w , h , oldw , oldh ) ;
mDrawingRect = new RectF ( ) ; mDrawingRect = new RectF ( ) ;
mDrawingRect . left = mDrawingOffset + getPaddingLeft ( ) ; mDrawingRect . left = mDrawingOffset + getPaddingLeft ( ) ;
mDrawingRect . right = w - mDrawingOffset - getPaddingRight ( ) ; mDrawingRect . right = w - mDrawingOffset - getPaddingRight ( ) ;
mDrawingRect . top = mDrawingOffset + getPaddingTop ( ) ; mDrawingRect . top = mDrawingOffset + getPaddingTop ( ) ;
mDrawingRect . bottom = h - mDrawingOffset - getPaddingBottom ( ) ; mDrawingRect . bottom = h - mDrawingOffset - getPaddingBottom ( ) ;
@ -749,12 +730,12 @@ public class ColorPickerView extends View {
setUpAlphaRect ( ) ; setUpAlphaRect ( ) ;
} }
private void setUpSatValRect ( ) { private void setUpSatValRect ( ) {
final RectF dRect = mDrawingRect ; final RectF dRect = mDrawingRect ;
float panelSide = dRect . height ( ) - BORDER_WIDTH_PX * 2 ; float panelSide = dRect . height ( ) - BORDER_WIDTH_PX * 2 ;
if ( mShowAlphaPanel ) { if ( mShowAlphaPanel ) {
panelSide - = PANEL_SPACING + ALPHA_PANEL_HEIGHT ; panelSide - = PANEL_SPACING + ALPHA_PANEL_HEIGHT ;
} }
@ -763,11 +744,11 @@ public class ColorPickerView extends View {
float bottom = top + panelSide ; float bottom = top + panelSide ;
float right = left + panelSide ; float right = left + panelSide ;
mSatValRect = new RectF ( left , top , right , bottom ) ; mSatValRect = new RectF ( left , top , right , bottom ) ;
} }
private void setUpHueRect ( ) { private void setUpHueRect ( ) {
final RectF dRect = mDrawingRect ; final RectF dRect = mDrawingRect ;
float left = dRect . right - HUE_PANEL_WIDTH + BORDER_WIDTH_PX ; float left = dRect . right - HUE_PANEL_WIDTH + BORDER_WIDTH_PX ;
float top = dRect . top + BORDER_WIDTH_PX ; float top = dRect . top + BORDER_WIDTH_PX ;
@ -779,9 +760,11 @@ public class ColorPickerView extends View {
private void setUpAlphaRect ( ) { private void setUpAlphaRect ( ) {
if ( ! mShowAlphaPanel ) return ; if ( ! mShowAlphaPanel ) {
return ;
}
final RectF dRect = mDrawingRect ; final RectF dRect = mDrawingRect ;
float left = dRect . left + BORDER_WIDTH_PX ; float left = dRect . left + BORDER_WIDTH_PX ;
float top = dRect . bottom - ALPHA_PANEL_HEIGHT + BORDER_WIDTH_PX ; float top = dRect . bottom - ALPHA_PANEL_HEIGHT + BORDER_WIDTH_PX ;
@ -791,12 +774,8 @@ public class ColorPickerView extends View {
mAlphaRect = new RectF ( left , top , right , bottom ) ; mAlphaRect = new RectF ( left , top , right , bottom ) ;
mAlphaPattern = new AlphaPatternDrawable ( ( int ) ( 5 * mDensity ) ) ; mAlphaPattern = new AlphaPatternDrawable ( ( int ) ( 5 * mDensity ) ) ;
mAlphaPattern . setBounds ( mAlphaPattern . setBounds ( Math . round ( mAlphaRect . left ) , Math . round ( mAlphaRect . top ) , Math . round ( mAlphaRect . right ) ,
Math . round ( mAlphaRect . left ) , Math . round ( mAlphaRect . bottom ) ) ;
Math . round ( mAlphaRect . top ) ,
Math . round ( mAlphaRect . right ) ,
Math . round ( mAlphaRect . bottom )
) ;
} }
@ -806,7 +785,7 @@ public class ColorPickerView extends View {
* selected by the user has changed . * selected by the user has changed .
* @param listener * @param listener
* / * /
public void setOnColorChangedListener ( OnColorChangedListener listener ) { public void setOnColorChangedListener ( OnColorChangedListener listener ) {
mListener = listener ; mListener = listener ;
} }
@ -814,7 +793,7 @@ public class ColorPickerView extends View {
* Set the color of the border surrounding all panels . * Set the color of the border surrounding all panels .
* @param color * @param color
* / * /
public void setBorderColor ( int color ) { public void setBorderColor ( int color ) {
mBorderColor = color ; mBorderColor = color ;
invalidate ( ) ; invalidate ( ) ;
} }
@ -822,7 +801,7 @@ public class ColorPickerView extends View {
/ * * / * *
* Get the color of the border surrounding all panels . * Get the color of the border surrounding all panels .
* / * /
public int getBorderColor ( ) { public int getBorderColor ( ) {
return mBorderColor ; return mBorderColor ;
} }
@ -830,15 +809,15 @@ public class ColorPickerView extends View {
* Get the current color this view is showing . * Get the current color this view is showing .
* @return the current color . * @return the current color .
* / * /
public int getColor ( ) { public int getColor ( ) {
return Color . HSVToColor ( mAlpha , new float [ ] { mHue , mSat , mVal } ) ; return Color . HSVToColor ( mAlpha , new float [ ] { mHue , mSat , mVal } ) ;
} }
/ * * / * *
* Set the color the view should show . * Set the color the view should show .
* @param color The color that should be selected . * @param color The color that should be selected .
* / * /
public void setColor ( int color ) { public void setColor ( int color ) {
setColor ( color , false ) ; setColor ( color , false ) ;
} }
@ -848,7 +827,7 @@ public class ColorPickerView extends View {
* @param callback If you want to get a callback to * @param callback If you want to get a callback to
* your OnColorChangedListener . * your OnColorChangedListener .
* / * /
public void setColor ( int color , boolean callback ) { public void setColor ( int color , boolean callback ) {
int alpha = Color . alpha ( color ) ; int alpha = Color . alpha ( color ) ;
int red = Color . red ( color ) ; int red = Color . red ( color ) ;
@ -864,7 +843,7 @@ public class ColorPickerView extends View {
mSat = hsv [ 1 ] ; mSat = hsv [ 1 ] ;
mVal = hsv [ 2 ] ; mVal = hsv [ 2 ] ;
if ( callback & & mListener ! = null ) { if ( callback & & mListener ! = null ) {
mListener . onColorChanged ( Color . HSVToColor ( mAlpha , new float [ ] { mHue , mSat , mVal } ) ) ; mListener . onColorChanged ( Color . HSVToColor ( mAlpha , new float [ ] { mHue , mSat , mVal } ) ) ;
} }
@ -879,7 +858,7 @@ public class ColorPickerView extends View {
* the currently selected color and want to align it perfectly . * the currently selected color and want to align it perfectly .
* @return The offset in pixels . * @return The offset in pixels .
* / * /
public float getDrawingOffset ( ) { public float getDrawingOffset ( ) {
return mDrawingOffset ; return mDrawingOffset ;
} }
@ -888,9 +867,9 @@ public class ColorPickerView extends View {
* If it is set to false no alpha will be set . * If it is set to false no alpha will be set .
* @param visible * @param visible
* / * /
public void setAlphaSliderVisible ( boolean visible ) { public void setAlphaSliderVisible ( boolean visible ) {
if ( mShowAlphaPanel ! = visible ) { if ( mShowAlphaPanel ! = visible ) {
mShowAlphaPanel = visible ; mShowAlphaPanel = visible ;
/ * / *
@ -901,14 +880,15 @@ public class ColorPickerView extends View {
mValShader = null ; mValShader = null ;
mSatShader = null ; mSatShader = null ;
mHueShader = null ; mHueShader = null ;
mAlphaShader = null ; ; mAlphaShader = null ;
;
requestLayout ( ) ; requestLayout ( ) ;
} }
} }
public void setSliderTrackerColor ( int color ) { public void setSliderTrackerColor ( int color ) {
mSliderTrackerColor = color ; mSliderTrackerColor = color ;
mHueTrackerPaint . setColor ( mSliderTrackerColor ) ; mHueTrackerPaint . setColor ( mSliderTrackerColor ) ;
@ -916,7 +896,7 @@ public class ColorPickerView extends View {
invalidate ( ) ; invalidate ( ) ;
} }
public int getSliderTrackerColor ( ) { public int getSliderTrackerColor ( ) {
return mSliderTrackerColor ; return mSliderTrackerColor ;
} }
@ -925,7 +905,7 @@ public class ColorPickerView extends View {
* alpha slider . Set to null to disable text . * alpha slider . Set to null to disable text .
* @param res string resource id . * @param res string resource id .
* / * /
public void setAlphaSliderText ( int res ) { public void setAlphaSliderText ( int res ) {
String text = getContext ( ) . getString ( res ) ; String text = getContext ( ) . getString ( res ) ;
setAlphaSliderText ( text ) ; setAlphaSliderText ( text ) ;
} }
@ -935,7 +915,7 @@ public class ColorPickerView extends View {
* alpha slider . Set to null to disable text . * alpha slider . Set to null to disable text .
* @param text Text that should be shown . * @param text Text that should be shown .
* / * /
public void setAlphaSliderText ( String text ) { public void setAlphaSliderText ( String text ) {
mAlphaSliderText = text ; mAlphaSliderText = text ;
invalidate ( ) ; invalidate ( ) ;
} }
@ -946,7 +926,7 @@ public class ColorPickerView extends View {
* slider . * slider .
* @return * @return
* / * /
public String getAlphaSliderText ( ) { public String getAlphaSliderText ( ) {
return mAlphaSliderText ; return mAlphaSliderText ;
} }
} }
Eric Kok
10 years ago