Example usage for android.graphics Paint ANTI_ALIAS_FLAG

List of usage examples for android.graphics Paint ANTI_ALIAS_FLAG

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Introduction

In this page you can find the example usage for android.graphics Paint ANTI_ALIAS_FLAG.

Prototype

int ANTI_ALIAS_FLAG

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Document

Paint flag that enables antialiasing when drawing.

Usage

From source file:in.sc9.discreteslider.DiscreteSlider.java

private void drawTextArray(Canvas canvas, int thumbWidth, int halfThumb, float yPos, int left, float intervel) {
    int lenTextArray = textArray.length;
    if (lenTextArray == 0)
        return;/*from www  . j av a2s  .  c  o m*/

    float currentLeft = left;

    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setTextAlign(Paint.Align.LEFT);
    paint.setColor(mtextColor);
    paint.setTextSize(mTextSize);
    //paint.setTypeface(); //TODO setTypeface in Discrete Seek Bar
    //elloWorldTextView2.setTextSize(activity.pixelsToSp(activity, textSize));
    //paint.m

    for (int i = 0; i < lenTextArray; i++) {
        /*if((int)getThumbValue(0)==i*(int)scaleStep)
        paint.setColor(Color.parseColor("#ffff0000"));
        else
        paint.setColor(Color.parseColor("#ff22445b"));*/

        float textLen = paint.measureText(textArray[i]);

        if (i == 0) {
            if (textStyle != NONE && (textStyle == ODD || textStyle == EXTREMES || textStyle == ALL))
                canvas.drawText(textArray[i], currentLeft, yPos, paint);
        } else if (i == lenTextArray - 1) {
            if (textStyle != NONE)
                if ((textStyle == ALL) || (i % 2 == 0 && textStyle == ODD) || (i % 2 != 0 && textStyle == EVEN)
                        || (textStyle == EXTREMES))
                    canvas.drawText(textArray[i], currentLeft - textLen, yPos, paint);
        } else {
            if (textStyle != 0 && textStyle != 3) {
                if ((textStyle == ALL) || (i % 2 == 0 && textStyle == ODD) || (i % 2 != 0 && textStyle == EVEN))
                    canvas.drawText(textArray[i], currentLeft - (textLen / 2), yPos, paint);
            }
        }
        currentLeft += intervel;
    }
}

From source file:kr.wdream.storyshop.AndroidUtilities.java

private static Intent createShortcutIntent(long did, boolean forDelete) {
    Intent shortcutIntent = new Intent(ApplicationLoader.applicationContext, OpenChatReceiver.class);

    int lower_id = (int) did;
    int high_id = (int) (did >> 32);

    TLRPC.User user = null;//from   w  w w .  j a v  a  2  s.c o  m
    TLRPC.Chat chat = null;
    if (lower_id == 0) {
        shortcutIntent.putExtra("encId", high_id);
        TLRPC.EncryptedChat encryptedChat = MessagesController.getInstance().getEncryptedChat(high_id);
        if (encryptedChat == null) {
            return null;
        }
        user = MessagesController.getInstance().getUser(encryptedChat.user_id);
    } else if (lower_id > 0) {
        shortcutIntent.putExtra("userId", lower_id);
        user = MessagesController.getInstance().getUser(lower_id);
    } else if (lower_id < 0) {
        chat = MessagesController.getInstance().getChat(-lower_id);
        shortcutIntent.putExtra("chatId", -lower_id);
    } else {
        return null;
    }
    if (user == null && chat == null) {
        return null;
    }

    String name;
    TLRPC.FileLocation photo = null;

    if (user != null) {
        name = ContactsController.formatName(user.first_name, user.last_name);
        if (user.photo != null) {
            photo = user.photo.photo_small;
        }
    } else {
        name = chat.title;
        if (chat.photo != null) {
            photo = chat.photo.photo_small;
        }
    }

    shortcutIntent.setAction("com.tmessages.openchat" + did);
    shortcutIntent.addFlags(0x4000000);

    Intent addIntent = new Intent();
    addIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
    addIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, name);
    addIntent.putExtra("duplicate", false);
    if (!forDelete) {
        Bitmap bitmap = null;
        if (photo != null) {
            try {
                File path = FileLoader.getPathToAttach(photo, true);
                bitmap = BitmapFactory.decodeFile(path.toString());
                if (bitmap != null) {
                    int size = AndroidUtilities.dp(58);
                    Bitmap result = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
                    result.eraseColor(Color.TRANSPARENT);
                    Canvas canvas = new Canvas(result);
                    BitmapShader shader = new BitmapShader(bitmap, Shader.TileMode.CLAMP,
                            Shader.TileMode.CLAMP);
                    if (roundPaint == null) {
                        roundPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
                        bitmapRect = new RectF();
                    }
                    float scale = size / (float) bitmap.getWidth();
                    canvas.save();
                    canvas.scale(scale, scale);
                    roundPaint.setShader(shader);
                    bitmapRect.set(0, 0, bitmap.getWidth(), bitmap.getHeight());
                    canvas.drawRoundRect(bitmapRect, bitmap.getWidth(), bitmap.getHeight(), roundPaint);
                    canvas.restore();
                    Drawable drawable = ApplicationLoader.applicationContext.getResources()
                            .getDrawable(R.drawable.book_logo);
                    int w = AndroidUtilities.dp(15);
                    int left = size - w - AndroidUtilities.dp(2);
                    int top = size - w - AndroidUtilities.dp(2);
                    drawable.setBounds(left, top, left + w, top + w);
                    drawable.draw(canvas);
                    try {
                        canvas.setBitmap(null);
                    } catch (Exception e) {
                        //don't promt, this will crash on 2.x
                    }
                    bitmap = result;
                }
            } catch (Throwable e) {
                FileLog.e("tmessages", e);
            }
        }
        if (bitmap != null) {
            addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON, bitmap);
        } else {
            if (user != null) {
                if (user.bot) {
                    addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, Intent.ShortcutIconResource
                            .fromContext(ApplicationLoader.applicationContext, R.drawable.book_bot));
                } else {
                    addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, Intent.ShortcutIconResource
                            .fromContext(ApplicationLoader.applicationContext, R.drawable.book_user));
                }
            } else if (chat != null) {
                if (ChatObject.isChannel(chat) && !chat.megagroup) {
                    addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, Intent.ShortcutIconResource
                            .fromContext(ApplicationLoader.applicationContext, R.drawable.book_channel));
                } else {
                    addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, Intent.ShortcutIconResource
                            .fromContext(ApplicationLoader.applicationContext, R.drawable.book_group));
                }
            }
        }
    }
    return addIntent;
}

From source file:net.droidsolutions.droidcharts.core.plot.XYPlot.java

/**
 * Creates a new plot with the specified dataset, axes and renderer. Any of
 * the arguments can be <code>null</code>, but in that case you should take
 * care to specify the value before using the plot (otherwise a
 * <code>NullPointerException</code> may be thrown).
 * //from  www . j av a2 s  .c o  m
 * @param dataset
 *            the dataset (<code>null</code> permitted).
 * @param domainAxis
 *            the domain axis (<code>null</code> permitted).
 * @param rangeAxis
 *            the range axis (<code>null</code> permitted).
 * @param renderer
 *            the renderer (<code>null</code> permitted).
 */
public XYPlot(XYDataset dataset, ValueAxis domainAxis, ValueAxis rangeAxis, XYItemRenderer renderer) {

    super();

    this.orientation = PlotOrientation.VERTICAL;
    this.weight = 1; // only relevant when this is a subplot
    this.axisOffset = RectangleInsets.ZERO_INSETS;

    // allocate storage for datasets, axes and renderers (all optional)
    this.domainAxes = new ObjectList();
    this.domainAxisLocations = new ObjectList();
    this.foregroundDomainMarkers = new HashMap();
    this.backgroundDomainMarkers = new HashMap();

    this.rangeAxes = new ObjectList();
    this.rangeAxisLocations = new ObjectList();
    this.foregroundRangeMarkers = new HashMap();
    this.backgroundRangeMarkers = new HashMap();

    this.datasets = new ObjectList();
    this.renderers = new ObjectList();

    this.datasetToDomainAxesMap = new TreeMap();
    this.datasetToRangeAxesMap = new TreeMap();

    this.annotations = new java.util.ArrayList();

    this.datasets.set(0, dataset);
    if (dataset != null) {
        // dataset.addChangeListener(this);
    }

    this.renderers.set(0, renderer);
    if (renderer != null) {
        renderer.setPlot(this);
        renderer.addChangeListener(this);
    }

    this.domainAxes.set(0, domainAxis);
    this.mapDatasetToDomainAxis(0, 0);
    if (domainAxis != null) {
        domainAxis.setPlot(this);
        // domainAxis.addChangeListener(this);
    }
    this.domainAxisLocations.set(0, AxisLocation.BOTTOM_OR_LEFT);

    this.rangeAxes.set(0, rangeAxis);
    this.mapDatasetToRangeAxis(0, 0);
    if (rangeAxis != null) {
        rangeAxis.setPlot(this);
        // rangeAxis.addChangeListener(this);
    }
    this.rangeAxisLocations.set(0, AxisLocation.BOTTOM_OR_LEFT);

    configureDomainAxes();
    configureRangeAxes();

    Paint white = new Paint(Paint.ANTI_ALIAS_FLAG);
    white.setColor(Color.WHITE);

    Paint black = new Paint(Paint.ANTI_ALIAS_FLAG);
    white.setColor(Color.BLACK);

    this.domainGridlinesVisible = true;
    this.domainGridlineStroke = DEFAULT_GRIDLINE_STROKE;
    this.domainGridlinePaint = DEFAULT_GRIDLINE_PAINT;

    this.domainMinorGridlinesVisible = false;
    this.domainMinorGridlineStroke = DEFAULT_GRIDLINE_STROKE;
    this.domainMinorGridlinePaint = white;

    this.domainZeroBaselineVisible = false;
    this.domainZeroBaselinePaint = black;
    this.domainZeroBaselineStroke = 1f;

    this.rangeGridlinesVisible = true;
    this.rangeGridlineStroke = DEFAULT_GRIDLINE_STROKE;
    this.rangeGridlinePaint = DEFAULT_GRIDLINE_PAINT;

    this.rangeMinorGridlinesVisible = false;
    this.rangeMinorGridlineStroke = DEFAULT_GRIDLINE_STROKE;
    this.rangeMinorGridlinePaint = white;

    this.rangeZeroBaselineVisible = false;
    this.rangeZeroBaselinePaint = black;
    this.rangeZeroBaselineStroke = 1f;

    this.domainCrosshairVisible = false;
    this.domainCrosshairValue = 0.0;
    this.domainCrosshairStroke = DEFAULT_CROSSHAIR_STROKE;
    this.domainCrosshairPaint = DEFAULT_CROSSHAIR_PAINT;

    this.rangeCrosshairVisible = false;
    this.rangeCrosshairValue = 0.0;
    this.rangeCrosshairStroke = DEFAULT_CROSSHAIR_STROKE;
    this.rangeCrosshairPaint = DEFAULT_CROSSHAIR_PAINT;

}

From source file:com.ferdi2005.secondgram.AndroidUtilities.java

private static Intent createShortcutIntent(long did, boolean forDelete) {
    Intent shortcutIntent = new Intent(ApplicationLoader.applicationContext, OpenChatReceiver.class);

    int lower_id = (int) did;
    int high_id = (int) (did >> 32);

    TLRPC.User user = null;/*from ww  w  .  j  a  va 2s  . co  m*/
    TLRPC.Chat chat = null;
    if (lower_id == 0) {
        shortcutIntent.putExtra("encId", high_id);
        TLRPC.EncryptedChat encryptedChat = MessagesController.getInstance().getEncryptedChat(high_id);
        if (encryptedChat == null) {
            return null;
        }
        user = MessagesController.getInstance().getUser(encryptedChat.user_id);
    } else if (lower_id > 0) {
        shortcutIntent.putExtra("userId", lower_id);
        user = MessagesController.getInstance().getUser(lower_id);
    } else if (lower_id < 0) {
        chat = MessagesController.getInstance().getChat(-lower_id);
        shortcutIntent.putExtra("chatId", -lower_id);
    } else {
        return null;
    }
    if (user == null && chat == null) {
        return null;
    }

    String name;
    TLRPC.FileLocation photo = null;

    if (user != null) {
        name = ContactsController.formatName(user.first_name, user.last_name);
        if (user.photo != null) {
            photo = user.photo.photo_small;
        }
    } else {
        name = chat.title;
        if (chat.photo != null) {
            photo = chat.photo.photo_small;
        }
    }

    shortcutIntent.setAction("com.tmessages.openchat" + did);
    shortcutIntent.addFlags(0x4000000);

    Intent addIntent = new Intent();
    addIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
    addIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, name);
    addIntent.putExtra("duplicate", false);
    if (!forDelete) {
        Bitmap bitmap = null;
        if (photo != null) {
            try {
                File path = FileLoader.getPathToAttach(photo, true);
                bitmap = BitmapFactory.decodeFile(path.toString());
                if (bitmap != null) {
                    int size = AndroidUtilities.dp(58);
                    Bitmap result = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
                    result.eraseColor(Color.TRANSPARENT);
                    Canvas canvas = new Canvas(result);
                    BitmapShader shader = new BitmapShader(bitmap, Shader.TileMode.CLAMP,
                            Shader.TileMode.CLAMP);
                    if (roundPaint == null) {
                        roundPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
                        bitmapRect = new RectF();
                    }
                    float scale = size / (float) bitmap.getWidth();
                    canvas.save();
                    canvas.scale(scale, scale);
                    roundPaint.setShader(shader);
                    bitmapRect.set(0, 0, bitmap.getWidth(), bitmap.getHeight());
                    canvas.drawRoundRect(bitmapRect, bitmap.getWidth(), bitmap.getHeight(), roundPaint);
                    canvas.restore();
                    Drawable drawable = ApplicationLoader.applicationContext.getResources()
                            .getDrawable(R.drawable.book_logo);
                    int w = AndroidUtilities.dp(15);
                    int left = size - w - AndroidUtilities.dp(2);
                    int top = size - w - AndroidUtilities.dp(2);
                    drawable.setBounds(left, top, left + w, top + w);
                    drawable.draw(canvas);
                    try {
                        canvas.setBitmap(null);
                    } catch (Exception e) {
                        //don't promt, this will crash on 2.x
                    }
                    bitmap = result;
                }
            } catch (Throwable e) {
                FileLog.e(e);
            }
        }
        if (bitmap != null) {
            addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON, bitmap);
        } else {
            if (user != null) {
                if (user.bot) {
                    addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, Intent.ShortcutIconResource
                            .fromContext(ApplicationLoader.applicationContext, R.drawable.book_bot));
                } else {
                    addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, Intent.ShortcutIconResource
                            .fromContext(ApplicationLoader.applicationContext, R.drawable.book_user));
                }
            } else if (chat != null) {
                if (ChatObject.isChannel(chat) && !chat.megagroup) {
                    addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, Intent.ShortcutIconResource
                            .fromContext(ApplicationLoader.applicationContext, R.drawable.book_channel));
                } else {
                    addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, Intent.ShortcutIconResource
                            .fromContext(ApplicationLoader.applicationContext, R.drawable.book_group));
                }
            }
        }
    }
    return addIntent;
}

From source file:com.nextgis.mobile.fragment.MapFragment.java

protected void drawScaleRuler() {
    int px = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_MM, 10,
            getResources().getDisplayMetrics());
    int notch = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_MM, 1,
            getResources().getDisplayMetrics());
    Bitmap ruler = Bitmap.createBitmap(px, px, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(ruler);
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setColor(ContextCompat.getColor(getActivity(), R.color.primary_dark));
    paint.setStrokeWidth(4);//from w  ww. ja  v  a 2s  .  c o  m
    paint.setStyle(Paint.Style.STROKE);
    canvas.drawLine(0, px, px, px, paint);
    canvas.drawLine(0, px, 0, 0, paint);
    canvas.drawLine(0, 0, notch, 0, paint);
    canvas.drawLine(px, px, px, px - notch, paint);
    mScaleRuler.setImageBitmap(ruler);
}

From source file:com.elpstudio.player.EqualizerActivity.java

/**
 * Builds the "Save Preset" dialog. Does not call the show() method, so you 
 * should do this manually when calling this method.
 * //from w  ww .  j  a v a2  s .c  om
 * @return A fully built AlertDialog reference.
 */
private AlertDialog buildSavePresetDialog() {

    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    View dialogView = getLayoutInflater().inflate(R.layout.add_new_equalizer_preset_dialog_layout, null);

    final EditText newPresetNameField = (EditText) dialogView.findViewById(R.id.new_preset_name_text_field);
    //newPresetNameField.setTypeface(TypefaceHelper.getTypeface(mContext, "Roboto-Light"));
    newPresetNameField.setPaintFlags(
            newPresetNameField.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG);

    //Set the dialog title.
    builder.setTitle("Save Preset");
    builder.setView(dialogView);
    builder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int arg1) {
            dialog.dismiss();

        }

    });

    builder.setPositiveButton("Done", new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {

            //Get the preset name from the text field.
            if (newPresetNameField.getText().toString().trim().length() > 0) {
                String presetName = newPresetNameField.getText().toString();

                //Add the preset and it's values to the DB.
                mApp.getDBAccessHelper().addNewEQPreset(presetName, fiftyHertzLevel, oneThirtyHertzLevel,
                        threeTwentyHertzLevel, eightHundredHertzLevel, twoKilohertzLevel, fiveKilohertzLevel,
                        twelvePointFiveKilohertzLevel, (short) virtualizerSeekBar.getProgress(),
                        (short) bassBoostSeekBar.getProgress(),
                        (short) reverbSpinner.getSelectedItemPosition());

                Toast.makeText(mContext, "Saved .. commented", Toast.LENGTH_SHORT).show();
                dialog.dismiss();
            }

        }

    });

    return builder.create();

}

From source file:com.songcode.materialnotes.ui.NoteEditActivity.java

private View getListItem(String item, int index) {
    View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null);
    final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text);
    edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId));
    CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item));
    cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            if (isChecked) {
                edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
            } else {
                edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
            }/* w  ww. j  a v  a  2s . c o m*/
        }
    });

    if (item.startsWith(TAG_CHECKED)) {
        cb.setChecked(true);
        edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
        item = item.substring(TAG_CHECKED.length(), item.length()).trim();
    } else if (item.startsWith(TAG_UNCHECKED)) {
        cb.setChecked(false);
        edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
        item = item.substring(TAG_UNCHECKED.length(), item.length()).trim();
    }

    edit.setOnTextViewChangeListener(this);
    edit.setIndex(index);
    edit.setText(getHighlightQueryResult(item, mUserQuery));
    return view;
}

From source file:com.aniruddhc.acemusic.player.EqualizerActivity.EqualizerActivity.java

/**
 * Builds the "Save Preset" dialog. Does not call the show() method, so you 
 * should do this manually when calling this method.
 * /*from   www . jav a 2s  .c  o m*/
 * @return A fully built AlertDialog reference.
 */
private AlertDialog buildSavePresetDialog() {

    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    View dialogView = getLayoutInflater().inflate(R.layout.add_new_equalizer_preset_dialog_layout, null);

    final EditText newPresetNameField = (EditText) dialogView.findViewById(R.id.new_preset_name_text_field);
    newPresetNameField.setTypeface(TypefaceHelper.getTypeface(mContext, "Roboto-Light"));
    newPresetNameField.setPaintFlags(
            newPresetNameField.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG);

    //Set the dialog title.
    builder.setTitle(R.string.save_preset);
    builder.setView(dialogView);
    builder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int arg1) {
            dialog.dismiss();

        }

    });

    builder.setPositiveButton(R.string.done, new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {

            //Get the preset name from the text field.
            String presetName = newPresetNameField.getText().toString();

            //Add the preset and it's values to the DB.
            mApp.getDBAccessHelper().addNewEQPreset(presetName, fiftyHertzLevel, oneThirtyHertzLevel,
                    threeTwentyHertzLevel, eightHundredHertzLevel, twoKilohertzLevel, fiveKilohertzLevel,
                    twelvePointFiveKilohertzLevel, (short) virtualizerSeekBar.getProgress(),
                    (short) bassBoostSeekBar.getProgress(), (short) reverbSpinner.getSelectedItemPosition());

            Toast.makeText(mContext, R.string.preset_saved, Toast.LENGTH_SHORT).show();
            dialog.dismiss();
        }

    });

    return builder.create();

}

From source file:info.tellmetime.TellmetimeActivity.java

/**
 * Generates rainbow gradient and sets it as #mSeekBarHighlight progress drawable.
 *///from   w w w. j av  a  2 s . c o  m
private void drawRainbow() {
    float gradientWidth = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 256,
            getResources().getDisplayMetrics());
    int[] colors = { 0xFFFFFFFF, 0xFFFF0000, 0xFFFFFF00, 0xFF00FF00, 0xFF00FFFF, 0xFF0000FF, 0xFFFF00FF,
            0xFF888888, 0xFF000000 };
    LinearGradient rainbowGradient = new LinearGradient(0f, 0f, gradientWidth, 0f, colors, null,
            Shader.TileMode.CLAMP);
    float r = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 2, getResources().getDisplayMetrics());
    ShapeDrawable shape = new ShapeDrawable(
            new RoundRectShape(new float[] { r, r, r, r, r, r, r, r }, null, null));
    shape.getPaint().setShader(rainbowGradient);
    mSeekBarHighlight.setProgressDrawable(shape);

    // Generate bitmap with the same rainbow gradient and cache it for later use to retrieve color at given position.
    Bitmap bitmap = Bitmap.createBitmap((int) gradientWidth, 1, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setStyle(Paint.Style.FILL);
    paint.setShader(rainbowGradient);
    canvas.drawRect(0, 0, gradientWidth, 1, paint);
    mRainbow = bitmap;

    // Set max value to gradient's width and restore relative position.
    mSeekBarHighlight.setMax((int) (gradientWidth - 1));
    mSeekBarHighlight.setProgress((int) ((gradientWidth - 1) * mHighlightPosition));
}

From source file:com.nextgis.maplibui.overlay.EditLayerOverlay.java

protected Bitmap getMarker() {
    float scaledDensity = mContext.getResources().getDisplayMetrics().scaledDensity;
    int size = (int) (12 * scaledDensity);
    Bitmap marker = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(marker);
    Paint p = new Paint(Paint.ANTI_ALIAS_FLAG);
    //noinspection deprecation
    p.setColor(mContext.getResources().getColor(R.color.accent));
    p.setAlpha(128);/*from   w  ww  . j  ava  2 s.  c om*/
    c.drawOval(new RectF(0, 0, size * 3 / 4, size * 3 / 4), p);
    return marker;
}