Example usage for android.graphics Paint Paint

Introduction

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

Prototype

public Paint() 

Source Link

Document

Create a new paint with default settings.

Usage

From source file:org.cryptsecure.Utility.java

/**
 * Cut text into one line./*w  w w  . ja  v  a2  s  .c  o  m*/
 * 
 * @param text
 *            the text
 * @param maxWidth
 *            the max width
 * @param textSize
 *            the text size
 * @return the string
 */
public static String cutTextIntoOneLine(String text, int maxWidth, int textSize) {
    try {
        Paint paint = new Paint();
        Rect bounds = new Rect();
        int textWidth = 0;
        paint.setTypeface(Typeface.DEFAULT);// your preference here
        paint.setTextSize(textSize);// have this the same as your text size

        String outText = text;
        String outText2 = text;

        boolean modified = false;
        boolean cutDown = false;
        while (true) {
            if (modified) {
                paint.getTextBounds(outText2, 0, outText2.length(), bounds);
            } else {
                paint.getTextBounds(outText, 0, outText.length(), bounds);
            }
            textWidth = bounds.width();
            if (textWidth <= maxWidth) {
                break;
            } else {
                modified = true;
                if (!cutDown) {
                    cutDown = true;
                    int estimatedLen = (outText.length() * maxWidth) / textWidth;
                    estimatedLen += 20; // be carefull!
                    if (estimatedLen > outText.length()) {
                        estimatedLen = outText.length();
                    }
                    outText = outText.substring(0, estimatedLen);
                    outText2 = outText + "...";
                } else {
                    // reduce by one character
                    outText = outText.substring(0, outText.length() - 1);
                    outText2 = outText + "...";
                }
            }
        }
        if (modified) {
            return outText2;
        } else {
            return outText;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}

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From source file:com.dwdesign.tweetings.util.Utils.java

public static Bitmap getColorPreviewBitmap(final Context context, final int color) {
    if (context == null)
        return null;
    final float density = context.getResources().getDisplayMetrics().density;
    final int width = (int) (32 * density), height = (int) (32 * density);

    final Bitmap bm = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    final Canvas canvas = new Canvas(bm);

    final int rectrangle_size = (int) (density * 5);
    final int numRectanglesHorizontal = (int) Math.ceil(width / rectrangle_size);
    final int numRectanglesVertical = (int) Math.ceil(height / rectrangle_size);
    final Rect r = new Rect();
    boolean verticalStartWhite = true;
    for (int i = 0; i <= numRectanglesVertical; i++) {

        boolean isWhite = verticalStartWhite;
        for (int j = 0; j <= numRectanglesHorizontal; j++) {

            r.top = i * rectrangle_size;
            r.left = j * rectrangle_size;
            r.bottom = r.top + rectrangle_size;
            r.right = r.left + rectrangle_size;
            final Paint paint = new Paint();
            paint.setColor(isWhite ? Color.WHITE : Color.GRAY);

            canvas.drawRect(r, paint);/*from  w w w. ja  va2s .co  m*/

            isWhite = !isWhite;
        }

        verticalStartWhite = !verticalStartWhite;

    }
    canvas.drawColor(color);
    final Paint paint = new Paint();
    paint.setColor(Color.WHITE);
    paint.setStrokeWidth(2.0f);
    final float[] points = new float[] { 0, 0, width, 0, 0, 0, 0, height, width, 0, width, height, 0, height,
            width, height };
    canvas.drawLines(points, paint);

    return bm;
}

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From source file:com.initialxy.cordova.themeablebrowser.ThemeableBrowser.java

private void setButtonImages(View view, BrowserButton buttonProps, int disabledAlpha) {
    Drawable normalDrawable = null;//from w ww  .  java 2s .co  m
    Drawable disabledDrawable = null;
    Drawable pressedDrawable = null;

    CharSequence description = view.getContentDescription();

    if (buttonProps.image != null || buttonProps.wwwImage != null) {
        try {
            normalDrawable = getImage(buttonProps.image, buttonProps.wwwImage, buttonProps.wwwImageDensity);
            ViewGroup.LayoutParams params = view.getLayoutParams();
            params.width = normalDrawable.getIntrinsicWidth();
            params.height = normalDrawable.getIntrinsicHeight();
        } catch (Resources.NotFoundException e) {
            emitError(ERR_LOADFAIL,
                    String.format("Image for %s, %s, failed to load", description, buttonProps.image));
        } catch (IOException ioe) {
            emitError(ERR_LOADFAIL,
                    String.format("Image for %s, %s, failed to load", description, buttonProps.wwwImage));
        }
    } else {
        emitWarning(WRN_UNDEFINED,
                String.format("Image for %s is not defined. Button will not be shown", description));
    }

    if (buttonProps.imagePressed != null || buttonProps.wwwImagePressed != null) {
        try {
            pressedDrawable = getImage(buttonProps.imagePressed, buttonProps.wwwImagePressed,
                    buttonProps.wwwImageDensity);
        } catch (Resources.NotFoundException e) {
            emitError(ERR_LOADFAIL, String.format("Pressed image for %s, %s, failed to load", description,
                    buttonProps.imagePressed));
        } catch (IOException e) {
            emitError(ERR_LOADFAIL, String.format("Pressed image for %s, %s, failed to load", description,
                    buttonProps.wwwImagePressed));
        }
    } else {
        emitWarning(WRN_UNDEFINED, String.format("Pressed image for %s is not defined.", description));
    }

    if (normalDrawable != null) {
        // Create the disabled state drawable by fading the normal state
        // drawable. Drawable.setAlpha() stopped working above Android 4.4
        // so we gotta bring out some bitmap magic. Credit goes to:
        // http://stackoverflow.com/a/7477572
        Bitmap enabledBitmap = ((BitmapDrawable) normalDrawable).getBitmap();
        Bitmap disabledBitmap = Bitmap.createBitmap(normalDrawable.getIntrinsicWidth(),
                normalDrawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(disabledBitmap);

        Paint paint = new Paint();
        paint.setAlpha(disabledAlpha);
        canvas.drawBitmap(enabledBitmap, 0, 0, paint);

        Resources activityRes = cordova.getActivity().getResources();
        disabledDrawable = new BitmapDrawable(activityRes, disabledBitmap);
    }

    StateListDrawable states = new StateListDrawable();
    if (pressedDrawable != null) {
        states.addState(new int[] { android.R.attr.state_pressed }, pressedDrawable);
    }
    if (normalDrawable != null) {
        states.addState(new int[] { android.R.attr.state_enabled }, normalDrawable);
    }
    if (disabledDrawable != null) {
        states.addState(new int[] {}, disabledDrawable);
    }

    setBackground(view, states);
}

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From source file:android.support.design.widget.CoordinatorLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    final LayoutParams lp = (LayoutParams) child.getLayoutParams();
    if (lp.mBehavior != null) {
        final float scrimAlpha = lp.mBehavior.getScrimOpacity(this, child);
        if (scrimAlpha > 0f) {
            if (mScrimPaint == null) {
                mScrimPaint = new Paint();
            }/* w ww  .jav a2  s . c o  m*/
            mScrimPaint.setColor(lp.mBehavior.getScrimColor(this, child));
            mScrimPaint.setAlpha(MathUtils.constrain(Math.round(255 * scrimAlpha), 0, 255));

            final int saved = canvas.save();
            if (child.isOpaque()) {
                // If the child is opaque, there is no need to draw behind it so we'll inverse
                // clip the canvas
                canvas.clipRect(child.getLeft(), child.getTop(), child.getRight(), child.getBottom(),
                        Region.Op.DIFFERENCE);
            }
            // Now draw the rectangle for the scrim
            canvas.drawRect(getPaddingLeft(), getPaddingTop(), getWidth() - getPaddingRight(),
                    getHeight() - getPaddingBottom(), mScrimPaint);
            canvas.restoreToCount(saved);
        }
    }
    return super.drawChild(canvas, child, drawingTime);
}

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From source file:com.FluksoViz.FluksoVizActivity.java

private void make_graph_pretty(XYPlot p) {

    p.setDomainStep(XYStepMode.INCREMENT_BY_VAL, 56); // Reduce the number
    // of range labels
    // Plot1.setTicksPerDomainLabel(1);
    p.setDomainValueFormat(new DateFormat_p1());

    p.setRangeStep(XYStepMode.SUBDIVIDE, 5);// Skala Y pionowa
    // Plot1.setRangeStep(XYStepMode.INCREMENT_BY_VAL, 1);
    // Plot1.setTicksPerRangeLabel(1);
    p.getTitleWidget().setClippingEnabled(false);

    p.getTitleWidget().pack();//from w  ww. jav a2  s .c om
    int axis_font_size = 15;
    int title_font_size = 15;
    int domain_font_size = 12;

    if (screen_width == 320) {
        axis_font_size = 12;
        title_font_size = 9;
        domain_font_size = 10;
    }

    p.getTitleWidget().getLabelPaint().setTextSize(title_font_size);
    p.getGraphWidget().getDomainLabelPaint().setTextSize(domain_font_size);
    p.getGraphWidget().getDomainLabelPaint().setColor(Color.WHITE);
    p.getGraphWidget().getRangeLabelPaint().setColor(Color.WHITE);
    p.getGraphWidget().getRangeLabelPaint().setTextSize(axis_font_size);
    p.getGraphWidget().getDomainOriginLabelPaint().setTextSize(domain_font_size);
    p.getGraphWidget().getRangeOriginLabelPaint().setTextSize(axis_font_size);
    p.getGraphWidget().setClippingEnabled(false);

    p.setDomainValueFormat(new DecimalFormat("#"));

    p.getLegendWidget().setVisible(false);
    p.getDomainLabelWidget().setVisible(false);
    p.getRangeLabelWidget().setVisible(false);
    p.getGraphWidget().getGridLinePaint().setPathEffect(new DashPathEffect(new float[] { 1, 2, 1, 2 }, 0));
    p.getBackgroundPaint().setColor(Color.TRANSPARENT);
    p.getGraphWidget().getBackgroundPaint().setColor(Color.TRANSPARENT);
    p.getGraphWidget().getGridBackgroundPaint().setColor(Color.TRANSPARENT);
    p.setGridPadding(0, 10, 0, 0); // left top right bottom
    p.getGraphWidget().getGridLinePaint().setColor(Color.TRANSPARENT);

    if (sensor_number != 4) {
        p.setRangeLowerBoundary(0, BoundaryMode.GROW);// to ustawia
    }

    if (sensor_number == 4) {
        p.addMarker(new YValueMarker(0, "0", new XPositionMetric(-11, XLayoutStyle.ABSOLUTE_FROM_LEFT),
                Color.WHITE, Color.WHITE));
        p.setRangeStep(XYStepMode.SUBDIVIDE, 2);
        p.getGraphWidget().getRangeOriginLinePaint().setAlpha(0);

        series1mFormat = new LineAndPointFormatter( // FAZA
                Color.rgb(0, 220, 0), // line color
                Color.rgb(0, 150, 0), // point color
                null);

        line1mFill.setShader(
                new LinearGradient(0, 0, 0, 200, Color.rgb(0, 200, 0), Color.BLACK, Shader.TileMode.MIRROR));
        series1mFormat.getLinePaint().setStrokeWidth(4);
        series1mFormat.setFillPaint(line1mFill);

        series2mFormat = new LineAndPointFormatter( // faza 2 solar
                Color.rgb(200, 200, 0), // line
                Color.rgb(100, 100, 0), // point color
                null);
        line2mFill.setShader(
                new LinearGradient(0, 150, 0, 120, Color.rgb(250, 250, 0), Color.BLACK, Shader.TileMode.CLAMP));
        series2mFormat.setFillDirection(FillDirection.TOP);
        series2mFormat.setFillPaint(line2mFill);
        series2mFormat.getLinePaint().setStrokeWidth(5);

        series3mFormat = new LineAndPointFormatter( // FAZA 3 formater
                Color.rgb(0, 220, 0), // line color
                Color.rgb(0, 150, 0), // point color
                null);
        line3mFill.setAlpha(255);
        line3mFill.setShader(new LinearGradient(0, 0, 0, 50, Color.BLACK, Color.BLACK, Shader.TileMode.MIRROR));
        series3mFormat.getLinePaint().setStrokeWidth(7);
        series3mFormat.setFillPaint(line3mFill);

        series4mFormat = new LineAndPointFormatter(Color.rgb(0, 140, 220), // line
                Color.rgb(0, 120, 190), // point color
                null);
        line4mFill = new Paint();
        line4mFill.setAlpha(190);
        line4mFill.setShader(new LinearGradient(0, 0, 0, 50, Color.BLACK, Color.BLACK, Shader.TileMode.MIRROR));
        series4mFormat.getLinePaint().setStrokeWidth(5);
        series4mFormat.setFillPaint(line4mFill);
        series4mFormat.setFillDirection(FillDirection.TOP);

        // XYRegionFormatter region4Formatter = new
        // XYRegionFormatter(Color.BLUE);
        // series4mFormat.addRegion(new RectRegion(Double.NEGATIVE_INFINITY,
        // Double.POSITIVE_INFINITY, 0, -1000, "R1"), region4Formatter);

    }

    // p.setRangeLowerBoundary(0, BoundaryMode.GROW);// to ustawia
    // min i max
    // Plot1.setRangeUpperBoundary(11, BoundaryMode.FIXED);

    p.setRangeValueFormat(new DecimalFormat("#"));
    p.setBorderStyle(Plot.BorderStyle.SQUARE, null, null);
    p.setBorderPaint(null);
    p.disableAllMarkup(); // To get rid of them call disableAllMarkup():

}

---

From source file:es.javocsoft.android.lib.toolbox.ToolBox.java

/**
 * Convers a Bitmap to grayscale.//from  w w w  . j av  a  2 s .c o  m
 * 
 * @param bmpOriginal
 * @return
 */
public static Bitmap media_getGrayScale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();
    width = bmpOriginal.getWidth();

    Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
    Canvas c = new Canvas(bmpGrayscale);
    Paint paint = new Paint();
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(f);
    c.drawBitmap(bmpOriginal, 0, 0, paint);
    return bmpGrayscale;
}

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From source file:com.skytree.epubtest.BookViewActivity.java

@SuppressLint({ "DrawAllocation", "DrawAllocation" })
@Override// w  w  w  .j  av  a  2 s .  co  m
protected void onDraw(Canvas canvas) {
    Paint paint = new Paint();

    float sl, sr, st, sb;
    sl = 0;
    sr = this.getWidth();
    float ah = this.arrowHeight; // arrow Height;
    if (this.isArrowDown) {
        st = 0;
        sb = this.getHeight() - ah;
    } else {
        st = ah - 10;
        sb = this.getHeight() - 10;
    }

    Path boxPath = new Path();
    boxPath.addRoundRect(new RectF(sl, st, sr, sb), 20, 20, Path.Direction.CW);

    if (arrowPosition <= arrowHeight * 1.5f) {
        arrowPosition = arrowHeight * 1.5f;
    } else if (arrowPosition >= this.getWidth() - arrowHeight * 1.5f) {
        arrowPosition = this.getWidth() - arrowHeight * 1.5f;
    }

    Path arrowPath = new Path();
    if (isArrowDown) {
        arrowPath.moveTo(arrowPosition, sb + ah);
        arrowPath.lineTo((float) (arrowPosition - ah * 0.75), sb - 10);
        arrowPath.lineTo((float) (arrowPosition + ah * 0.75), sb - 10);
        arrowPath.close();
    } else {
        arrowPath.moveTo(arrowPosition, 0);
        arrowPath.lineTo((float) (arrowPosition - ah * 0.75), ah + 10);
        arrowPath.lineTo((float) (arrowPosition + ah * 0.75), ah + 10);
        arrowPath.close();
    }

    paint.setColor(this.strokeColor);
    paint.setStyle(Paint.Style.FILL);
    boxPath.addPath(arrowPath);
    canvas.drawPath(boxPath, paint);

    paint.setColor(this.boxColor);
    paint.setStyle(Paint.Style.FILL);
    boxPath.addPath(arrowPath);
    canvas.save();
    float sf = 0.995f;
    float ox = (this.getWidth() - (this.getWidth() * sf)) / 2.0f;
    float oy = ((this.getHeight() - arrowHeight) - ((this.getHeight() - arrowHeight) * sf)) / 2.0f;

    canvas.translate(ox, oy);
    canvas.scale(sf, sf);
    canvas.drawPath(boxPath, paint);
    canvas.restore();

    if (layoutChanged) {
        this.recalcLayout();
        layoutChanged = false;
    }
}

---

From source file:com.skytree.epubtest.BookViewActivity.java

public DottedDrawable(int color) {
    mPaint = new Paint();
    mPaint.setStrokeWidth(3);//from  w  ww .  j  a  va  2 s  .c  om
    this.color = color;
    this.inactiveColor = color;
    this.value = 100;
}

---

From source file:com.skytree.epubtest.BookViewActivity.java

public DottedDrawable(int activeColor, int inactiveColor, int value) {
    mPaint = new Paint();
    mPaint.setStrokeWidth(3);//w w  w  . jav a 2  s . c  om
    this.color = activeColor;
    this.inactiveColor = inactiveColor;
    this.value = value;
}

---

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