diff options
Diffstat (limited to 'libs/colorpicker/src/main/java')
4 files changed, 512 insertions, 0 deletions
diff --git a/libs/colorpicker/src/main/java/yuku/ambilwarna/AmbilWarnaDialog.java b/libs/colorpicker/src/main/java/yuku/ambilwarna/AmbilWarnaDialog.java new file mode 100644 index 00000000..5c05e4ec --- /dev/null +++ b/libs/colorpicker/src/main/java/yuku/ambilwarna/AmbilWarnaDialog.java @@ -0,0 +1,298 @@ +package yuku.ambilwarna; + +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.content.DialogInterface.OnCancelListener; +import android.graphics.Color; +import android.graphics.drawable.GradientDrawable; +import android.view.LayoutInflater; +import android.view.MotionEvent; +import android.view.View; +import android.view.ViewGroup; +import android.view.ViewTreeObserver; +import android.widget.ImageView; +import android.widget.RelativeLayout; + +public class AmbilWarnaDialog { + public interface OnAmbilWarnaListener { + void onCancel(AmbilWarnaDialog dialog); + + void onOk(AmbilWarnaDialog dialog, int color); + } + + final AlertDialog dialog; + private final boolean supportsAlpha; + final OnAmbilWarnaListener listener; + final View viewHue; + final AmbilWarnaSquare viewSatVal; + final ImageView viewCursor; + final ImageView viewAlphaCursor; + final View viewOldColor; + final View viewNewColor; + final View viewAlphaOverlay; + final ImageView viewTarget; + final ImageView viewAlphaCheckered; + final ViewGroup viewContainer; + final float[] currentColorHsv = new float[3]; + int alpha; + + /** + * Create an AmbilWarnaDialog. + * + * @param context activity context + * @param color current color + * @param listener an OnAmbilWarnaListener, allowing you to get back error or OK + */ + public AmbilWarnaDialog(final Context context, int color, OnAmbilWarnaListener listener) { + this(context, color, false, listener); + } + + /** + * Create an AmbilWarnaDialog. + * + * @param context activity context + * @param color current color + * @param supportsAlpha whether alpha/transparency controls are enabled + * @param listener an OnAmbilWarnaListener, allowing you to get back error or OK + */ + public AmbilWarnaDialog(final Context context, int color, boolean supportsAlpha, OnAmbilWarnaListener listener) { + this.supportsAlpha = supportsAlpha; + this.listener = listener; + + if (!supportsAlpha) { // remove alpha if not supported + color = color | 0xff000000; + } + + Color.colorToHSV(color, currentColorHsv); + alpha = Color.alpha(color); + + final View view = LayoutInflater.from(context).inflate(R.layout.ambilwarna_dialog, null); + viewHue = view.findViewById(R.id.ambilwarna_viewHue); + viewSatVal = (AmbilWarnaSquare) view.findViewById(R.id.ambilwarna_viewSatBri); + viewCursor = (ImageView) view.findViewById(R.id.ambilwarna_cursor); + viewOldColor = view.findViewById(R.id.ambilwarna_oldColor); + viewNewColor = view.findViewById(R.id.ambilwarna_newColor); + viewTarget = (ImageView) view.findViewById(R.id.ambilwarna_target); + viewContainer = (ViewGroup) view.findViewById(R.id.ambilwarna_viewContainer); + viewAlphaOverlay = view.findViewById(R.id.ambilwarna_overlay); + viewAlphaCursor = (ImageView) view.findViewById(R.id.ambilwarna_alphaCursor); + viewAlphaCheckered = (ImageView) view.findViewById(R.id.ambilwarna_alphaCheckered); + + { // hide/show alpha + viewAlphaOverlay.setVisibility(supportsAlpha? View.VISIBLE: View.GONE); + viewAlphaCursor.setVisibility(supportsAlpha? View.VISIBLE: View.GONE); + viewAlphaCheckered.setVisibility(supportsAlpha? View.VISIBLE: View.GONE); + } + + viewSatVal.setHue(getHue()); + viewOldColor.setBackgroundColor(color); + viewNewColor.setBackgroundColor(color); + + 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(); + if (y < 0.f) y = 0.f; + if (y > viewHue.getMeasuredHeight()) { + y = viewHue.getMeasuredHeight() - 0.001f; // to avoid jumping the cursor from bottom to top. + } + float hue = 360.f - 360.f / viewHue.getMeasuredHeight() * y; + if (hue == 360.f) hue = 0.f; + setHue(hue); + + // update view + viewSatVal.setHue(getHue()); + moveCursor(); + viewNewColor.setBackgroundColor(getColor()); + updateAlphaView(); + return true; + } + return false; + } + }); + + if (supportsAlpha) viewAlphaCheckered.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(); + if (y < 0.f) { + y = 0.f; + } + if (y > viewAlphaCheckered.getMeasuredHeight()) { + y = viewAlphaCheckered.getMeasuredHeight() - 0.001f; // to avoid jumping the cursor from bottom to top. + } + final int a = Math.round(255.f - ((255.f / viewAlphaCheckered.getMeasuredHeight()) * y)); + AmbilWarnaDialog.this.setAlpha(a); + + // update view + moveAlphaCursor(); + int col = AmbilWarnaDialog.this.getColor(); + int c = a << 24 | col & 0x00ffffff; + viewNewColor.setBackgroundColor(c); + return true; + } + return false; + } + }); + viewSatVal.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(); // touch event are in dp units. + float y = event.getY(); + + if (x < 0.f) x = 0.f; + if (x > viewSatVal.getMeasuredWidth()) x = viewSatVal.getMeasuredWidth(); + if (y < 0.f) y = 0.f; + if (y > viewSatVal.getMeasuredHeight()) y = viewSatVal.getMeasuredHeight(); + + setSat(1.f / viewSatVal.getMeasuredWidth() * x); + setVal(1.f - (1.f / viewSatVal.getMeasuredHeight() * y)); + + // update view + moveTarget(); + viewNewColor.setBackgroundColor(getColor()); + + return true; + } + return false; + } + }); + + dialog = new AlertDialog.Builder(context) + .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + if (AmbilWarnaDialog.this.listener != null) { + AmbilWarnaDialog.this.listener.onOk(AmbilWarnaDialog.this, getColor()); + } + } + }) + .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + if (AmbilWarnaDialog.this.listener != null) { + AmbilWarnaDialog.this.listener.onCancel(AmbilWarnaDialog.this); + } + } + }) + .setOnCancelListener(new OnCancelListener() { + // if back button is used, call back our listener. + @Override + public void onCancel(DialogInterface paramDialogInterface) { + if (AmbilWarnaDialog.this.listener != null) { + AmbilWarnaDialog.this.listener.onCancel(AmbilWarnaDialog.this); + } + + } + }) + .create(); + // kill all padding from the dialog window + dialog.setView(view, 0, 0, 0, 0); + + // move cursor & target on first draw + ViewTreeObserver vto = view.getViewTreeObserver(); + vto.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { + @Override + public void onGlobalLayout() { + moveCursor(); + if (AmbilWarnaDialog.this.supportsAlpha) moveAlphaCursor(); + moveTarget(); + if (AmbilWarnaDialog.this.supportsAlpha) updateAlphaView(); + view.getViewTreeObserver().removeGlobalOnLayoutListener(this); + } + }); + } + + protected void moveCursor() { + float y = viewHue.getMeasuredHeight() - (getHue() * viewHue.getMeasuredHeight() / 360.f); + if (y == viewHue.getMeasuredHeight()) y = 0.f; + RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) viewCursor.getLayoutParams(); + layoutParams.leftMargin = (int) (viewHue.getLeft() - Math.floor(viewCursor.getMeasuredWidth() / 2) - viewContainer.getPaddingLeft()); + layoutParams.topMargin = (int) (viewHue.getTop() + y - Math.floor(viewCursor.getMeasuredHeight() / 2) - viewContainer.getPaddingTop()); + viewCursor.setLayoutParams(layoutParams); + } + + protected void moveTarget() { + float x = getSat() * viewSatVal.getMeasuredWidth(); + float y = (1.f - getVal()) * viewSatVal.getMeasuredHeight(); + RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) viewTarget.getLayoutParams(); + layoutParams.leftMargin = (int) (viewSatVal.getLeft() + x - Math.floor(viewTarget.getMeasuredWidth() / 2) - viewContainer.getPaddingLeft()); + layoutParams.topMargin = (int) (viewSatVal.getTop() + y - Math.floor(viewTarget.getMeasuredHeight() / 2) - viewContainer.getPaddingTop()); + viewTarget.setLayoutParams(layoutParams); + } + + protected void moveAlphaCursor() { + final int measuredHeight = this.viewAlphaCheckered.getMeasuredHeight(); + float y = measuredHeight - ((this.getAlpha() * measuredHeight) / 255.f); + final RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) this.viewAlphaCursor.getLayoutParams(); + layoutParams.leftMargin = (int) (this.viewAlphaCheckered.getLeft() - Math.floor(this.viewAlphaCursor.getMeasuredWidth() / 2) - this.viewContainer.getPaddingLeft()); + layoutParams.topMargin = (int) ((this.viewAlphaCheckered.getTop() + y) - Math.floor(this.viewAlphaCursor.getMeasuredHeight() / 2) - this.viewContainer.getPaddingTop()); + + this.viewAlphaCursor.setLayoutParams(layoutParams); + } + + private int getColor() { + final int argb = Color.HSVToColor(currentColorHsv); + return alpha << 24 | (argb & 0x00ffffff); + } + + private float getHue() { + return currentColorHsv[0]; + } + + private float getAlpha() { + return this.alpha; + } + + private float getSat() { + return currentColorHsv[1]; + } + + private float getVal() { + return currentColorHsv[2]; + } + + private void setHue(float hue) { + currentColorHsv[0] = hue; + } + + private void setSat(float sat) { + currentColorHsv[1] = sat; + } + + private void setAlpha(int alpha) { + this.alpha = alpha; + } + + private void setVal(float val) { + currentColorHsv[2] = val; + } + + public void show() { + dialog.show(); + } + + public AlertDialog getDialog() { + return dialog; + } + + private void updateAlphaView() { + final GradientDrawable gd = new GradientDrawable(GradientDrawable.Orientation.TOP_BOTTOM, new int[] { + Color.HSVToColor(currentColorHsv), 0x0 + }); + viewAlphaOverlay.setBackgroundDrawable(gd); + } +} diff --git a/libs/colorpicker/src/main/java/yuku/ambilwarna/AmbilWarnaSquare.java b/libs/colorpicker/src/main/java/yuku/ambilwarna/AmbilWarnaSquare.java new file mode 100644 index 00000000..1f0c86e4 --- /dev/null +++ b/libs/colorpicker/src/main/java/yuku/ambilwarna/AmbilWarnaSquare.java @@ -0,0 +1,46 @@ +package yuku.ambilwarna; + +import android.annotation.SuppressLint; +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.PorterDuff; +import android.graphics.Shader; +import android.graphics.Shader.TileMode; +import android.util.AttributeSet; +import android.view.View; + +public class AmbilWarnaSquare extends View { + Paint paint; + Shader luar; + final float[] color = { 1.f, 1.f, 1.f }; + + public AmbilWarnaSquare(Context context, AttributeSet attrs) { + super(context, attrs); + } + + public AmbilWarnaSquare(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + } + + @SuppressLint("DrawAllocation") @Override protected void onDraw(Canvas canvas) { + super.onDraw(canvas); + if (paint == null) { + paint = new Paint(); + luar = new LinearGradient(0.f, 0.f, 0.f, this.getMeasuredHeight(), 0xffffffff, 0xff000000, TileMode.CLAMP); + } + int rgb = Color.HSVToColor(color); + Shader dalam = new LinearGradient(0.f, 0.f, this.getMeasuredWidth(), 0.f, 0xffffffff, rgb, TileMode.CLAMP); + ComposeShader shader = new ComposeShader(luar, dalam, PorterDuff.Mode.MULTIPLY); + paint.setShader(shader); + canvas.drawRect(0.f, 0.f, this.getMeasuredWidth(), this.getMeasuredHeight(), paint); + } + + void setHue(float hue) { + color[0] = hue; + invalidate(); + } +} diff --git a/libs/colorpicker/src/main/java/yuku/ambilwarna/widget/AmbilWarnaPrefWidgetView.java b/libs/colorpicker/src/main/java/yuku/ambilwarna/widget/AmbilWarnaPrefWidgetView.java new file mode 100644 index 00000000..7ed4c4e3 --- /dev/null +++ b/libs/colorpicker/src/main/java/yuku/ambilwarna/widget/AmbilWarnaPrefWidgetView.java @@ -0,0 +1,34 @@ +package yuku.ambilwarna.widget; + +import android.content.Context; +import android.graphics.Canvas; +import android.graphics.Paint; +import android.graphics.Paint.Style; +import android.util.AttributeSet; +import android.util.FloatMath; +import android.view.View; + +public class AmbilWarnaPrefWidgetView extends View { + Paint paint; + float rectSize; + float strokeWidth; + + public AmbilWarnaPrefWidgetView(Context context, AttributeSet attrs) { + super(context, attrs); + + float density = context.getResources().getDisplayMetrics().density; + rectSize = FloatMath.floor(24.f * density + 0.5f); + strokeWidth = FloatMath.floor(1.f * density + 0.5f); + + paint = new Paint(); + paint.setColor(0xffffffff); + paint.setStyle(Style.STROKE); + paint.setStrokeWidth(strokeWidth); + } + + @Override protected void onDraw(Canvas canvas) { + super.onDraw(canvas); + + canvas.drawRect(strokeWidth, strokeWidth, rectSize - strokeWidth, rectSize - strokeWidth, paint); + } +} diff --git a/libs/colorpicker/src/main/java/yuku/ambilwarna/widget/AmbilWarnaPreference.java b/libs/colorpicker/src/main/java/yuku/ambilwarna/widget/AmbilWarnaPreference.java new file mode 100644 index 00000000..2c634eb9 --- /dev/null +++ b/libs/colorpicker/src/main/java/yuku/ambilwarna/widget/AmbilWarnaPreference.java @@ -0,0 +1,134 @@ +package yuku.ambilwarna.widget; + +import android.content.Context; +import android.content.res.TypedArray; +import android.os.Parcel; +import android.os.Parcelable; +import android.preference.Preference; +import android.util.AttributeSet; +import android.view.View; + +import yuku.ambilwarna.AmbilWarnaDialog; +import yuku.ambilwarna.R; + +public class AmbilWarnaPreference extends Preference { + private final boolean supportsAlpha; + int value; + + public AmbilWarnaPreference(Context context, AttributeSet attrs) { + super(context, attrs); + + final TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.AmbilWarnaPreference); + supportsAlpha = ta.getBoolean(R.styleable.AmbilWarnaPreference_supportsAlpha, false); + + setWidgetLayoutResource(R.layout.ambilwarna_pref_widget); + } + + @Override protected void onBindView(View view) { + super.onBindView(view); + + // Set our custom views inside the layout + final View box = view.findViewById(R.id.ambilwarna_pref_widget_box); + if (box != null) { + box.setBackgroundColor(value); + } + } + + @Override protected void onClick() { + new AmbilWarnaDialog(getContext(), value, supportsAlpha, new AmbilWarnaDialog.OnAmbilWarnaListener() { + @Override public void onOk(AmbilWarnaDialog dialog, int color) { + if (!callChangeListener(color)) return; // They don't want the value to be set + value = color; + persistInt(value); + notifyChanged(); + } + + @Override public void onCancel(AmbilWarnaDialog dialog) { + // nothing to do + } + }).show(); + } + + public void forceSetValue(int value) { + this.value = value; + persistInt(value); + notifyChanged(); + } + + @Override protected Object onGetDefaultValue(TypedArray a, int index) { + // This preference type's value type is Integer, so we read the default value from the attributes as an Integer. + return a.getInteger(index, 0); + } + + @Override protected void onSetInitialValue(boolean restoreValue, Object defaultValue) { + if (restoreValue) { // Restore state + value = getPersistedInt(value); + } else { // Set state + int value = (Integer) defaultValue; + this.value = value; + persistInt(value); + } + } + + /* + * Suppose a client uses this preference type without persisting. We + * must save the instance state so it is able to, for example, survive + * orientation changes. + */ + @Override protected Parcelable onSaveInstanceState() { + final Parcelable superState = super.onSaveInstanceState(); + if (isPersistent()) return superState; // No need to save instance state since it's persistent + + final SavedState myState = new SavedState(superState); + myState.value = value; + return myState; + } + + @Override protected void onRestoreInstanceState(Parcelable state) { + if (!state.getClass().equals(SavedState.class)) { + // Didn't save state for us in onSaveInstanceState + super.onRestoreInstanceState(state); + return; + } + + // Restore the instance state + SavedState myState = (SavedState) state; + super.onRestoreInstanceState(myState.getSuperState()); + this.value = myState.value; + notifyChanged(); + } + + /** + * SavedState, a subclass of {@link android.preference.Preference.BaseSavedState}, will store the state + * of MyPreference, a subclass of Preference. + * <p> + * It is important to always call through to super methods. + */ + private static class SavedState extends BaseSavedState { + int value; + + public SavedState(Parcel source) { + super(source); + value = source.readInt(); + } + + @Override public void writeToParcel(Parcel dest, int flags) { + super.writeToParcel(dest, flags); + dest.writeInt(value); + } + + public SavedState(Parcelable superState) { + super(superState); + } + + @SuppressWarnings("unused") public static final Creator<SavedState> CREATOR = new Creator<SavedState>() { + public SavedState createFromParcel(Parcel in) { + return new SavedState(in); + } + + public SavedState[] newArray(int size) { + return new SavedState[size]; + } + }; + } +} |