Example usage for android.graphics Canvas drawPath

Introduction

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

Prototype

public void drawPath(@NonNull Path path, @NonNull Paint paint) 

Source Link

Document

Draw the specified path using the specified paint.

Usage

From source file:Main.java

/**
 * Helper method to draw a generic triangle onto the canvas
 * @param canvas the canvas being drawn to
 * @param a point 1/* w w w  .ja v  a2s .  c o m*/
 * @param b point 2
 * @param c point 3
 */
public static void drawTriangle(Canvas canvas, Point a, Point b, Point c, Paint paint) {

    Path path = new Path();
    path.setFillType(Path.FillType.EVEN_ODD);
    path.moveTo(b.x, b.y);
    path.lineTo(c.x, c.y);
    path.lineTo(a.x, a.y);
    path.close();

    canvas.drawPath(path, paint);
}

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From source file:Main.java

public static void drawBorder(int width, int height, Canvas canvas, Paint paint, Path workingPath) {

    paint.setStyle(Paint.Style.STROKE);
    workingPath.reset();/*from   ww  w.  j a  v a  2  s.com*/
    workingPath.moveTo(0, 0);
    workingPath.lineTo(width, 0);
    workingPath.lineTo(width, height);
    workingPath.lineTo(0, height);
    workingPath.lineTo(0, 0);
    workingPath.close();

    canvas.drawPath(workingPath, paint);

}

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From source file:Main.java

private static void drawAntiRoundRect(Canvas canvas, Paint paint, int radius, RectF rect, int direction) {
    if (direction == 1) {
        Path path = new Path();
        path.moveTo(rect.left, rect.top);
        path.lineTo(rect.left, rect.top + radius);
        path.addArc(new RectF(rect.left, rect.top, rect.left + radius * 2, rect.top + radius * 2), 180, 90);
        path.lineTo(rect.left, rect.top);
        path.close();//  w w  w.j av a 2  s  .c  o  m
        canvas.drawPath(path, paint);
    } else if (direction == 2) {
        Path path = new Path();
        path.moveTo(rect.right, rect.top);
        path.lineTo(rect.right - radius, rect.top);
        path.addArc(new RectF(rect.right - 2 * radius, rect.top, rect.right, rect.top + radius * 2), 270, 90);
        path.lineTo(rect.right, rect.top);
        path.close();
        canvas.drawPath(path, paint);
    } else if (direction == 3) {
        Path path = new Path();
        path.moveTo(rect.right, rect.bottom);
        path.lineTo(rect.right, rect.bottom - radius);
        path.addArc(new RectF(rect.right - 2 * radius, rect.bottom - 2 * radius, rect.right, rect.bottom), 0,
                90);
        path.lineTo(rect.right, rect.bottom);
        path.close();
        canvas.drawPath(path, paint);
    } else if (direction == 4) {
        Path path = new Path();
        path.moveTo(rect.left, rect.bottom);
        path.lineTo(rect.left + radius, rect.bottom);
        path.addArc(new RectF(rect.left, rect.bottom - 2 * radius, rect.left + 2 * radius, rect.bottom), 90,
                90);
        path.lineTo(rect.left, rect.bottom);
        path.close();
        canvas.drawPath(path, paint);
    }
}

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From source file:Main.java

/**
 * Draws a circular arc on the given {@code Canvas}.
 *
 * @param canvas             The canvas to draw into.
 * @param circleCenter       The center of the circle on which to draw the arc.
 * @param circleRadius       The radius of the circle on which to draw the arc.
 * @param startAngle         Starting angle (in degrees) where the arc begins.
 * @param sweepAngle         Sweep angle (in degrees) measured clockwise.
 * @param paint              The paint to use then drawing the arc.
 * @param arcsPointsOnCircle See {@link #createBezierArcDegrees(PointF, float, float, float, int, boolean, Path)}.
 * @param arcsOverlayPoints  See {@link #createBezierArcDegrees(PointF, float, float, float, int, boolean, Path)}.
 *
 * @see #drawArc(Canvas, PointF, float, float, float, Paint)
 *//*  w  w w  .j  a  v a  2s.  c o m*/
public static void drawArc(@NonNull Canvas canvas, PointF circleCenter, float circleRadius, float startAngle,
        float sweepAngle, @NonNull Paint paint, int arcsPointsOnCircle, boolean arcsOverlayPoints) {
    if (sweepAngle == 0f) {
        final PointF p = pointFromAngleDegrees(circleCenter, circleRadius, startAngle);
        canvas.drawPoint(p.x, p.y, paint);
    } else {
        canvas.drawPath(createBezierArcDegrees(circleCenter, circleRadius, startAngle, sweepAngle,
                arcsPointsOnCircle, arcsOverlayPoints, null), paint);
    }
}

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From source file:Main.java

private static Bitmap decorate(Bitmap bitmap, char label, int color, boolean glossy) {

    Canvas canvas = new Canvas(bitmap);

    canvas.drawColor(color);//from   w  w  w. ja v  a2  s  .  co  m

    String labelString = String.valueOf(label);
    Paint textPaint = getTextPaint(bitmap.getHeight() * 0.75f);
    float cx = bitmap.getWidth() / 2;
    float cy = bitmap.getHeight() / 2;
    float oy = 0;

    synchronized (junkRectangle) {
        textPaint.getTextBounds(labelString, 0, 1, junkRectangle);
        oy = (junkRectangle.top + junkRectangle.bottom) / 2;
    }

    canvas.drawText(labelString, cx, cy - oy, textPaint);

    if (glossy) {
        canvas.drawPath(gloss(bitmap.getWidth()), getGlossPaint());
    }

    return bitmap;

}

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From source file:Main.java

private static void drawRoundRect(Canvas canvas, RectF rect, Paint paint, int radius, boolean leftTop,
        boolean rightTop, boolean leftBottom, boolean rightBottom) {
    float roundRadius[] = new float[8];
    roundRadius[0] = leftTop ? 0 : radius;
    roundRadius[1] = leftTop ? 0 : radius;
    roundRadius[2] = rightTop ? 0 : radius;
    roundRadius[3] = rightTop ? 0 : radius;
    roundRadius[4] = rightBottom ? 0 : radius;
    roundRadius[5] = rightBottom ? 0 : radius;
    roundRadius[6] = leftBottom ? 0 : radius;
    roundRadius[7] = leftBottom ? 0 : radius;

    Path path = new Path();
    path.addRoundRect(rect, roundRadius, Direction.CCW);
    canvas.drawPath(path, paint);
}

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From source file:Main.java

private static void drawTouchIconToCanvas(Bitmap touchIcon, Canvas canvas, Rect iconBounds) {
    Rect src = new Rect(0, 0, touchIcon.getWidth(), touchIcon.getHeight());

    // Paint used for scaling the bitmap and drawing the rounded rect.
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setFilterBitmap(true);/*from w  ww  .  ja v  a  2s.  co  m*/
    canvas.drawBitmap(touchIcon, src, iconBounds, paint);

    // Construct a path from a round rect. This will allow drawing with
    // an inverse fill so we can punch a hole using the round rect.
    Path path = new Path();
    path.setFillType(Path.FillType.INVERSE_WINDING);
    RectF rect = new RectF(iconBounds);
    rect.inset(1, 1);
    path.addRoundRect(rect, 8f, 8f, Path.Direction.CW);

    // Reuse the paint and clear the outside of the rectangle.
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
    canvas.drawPath(path, paint);
}

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From source file:Main.java

/**
 * Use touch-icon or higher-resolution favicon and round the corners.
 * @param context    Context used to get resources.
 * @param touchIcon  Touch icon bitmap./*from   w  w  w.  j a  v  a 2 s.co  m*/
 * @param canvas     Canvas that holds the touch icon.
 */
private static void drawTouchIconToCanvas(Context context, Bitmap touchIcon, Canvas canvas) {
    Rect iconBounds = new Rect(0, 0, canvas.getWidth(), canvas.getHeight());
    Rect src = new Rect(0, 0, touchIcon.getWidth(), touchIcon.getHeight());
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setFilterBitmap(true);
    canvas.drawBitmap(touchIcon, src, iconBounds, paint);
    // Convert dp to px.
    int borderRadii = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, TOUCHICON_BORDER_RADII,
            context.getResources().getDisplayMetrics());
    Path path = new Path();
    path.setFillType(Path.FillType.INVERSE_WINDING);
    RectF rect = new RectF(iconBounds);
    rect.inset(INSET_DIMENSION_FOR_TOUCHICON, INSET_DIMENSION_FOR_TOUCHICON);
    path.addRoundRect(rect, borderRadii, borderRadii, Path.Direction.CW);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
    canvas.drawPath(path, paint);
}

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From source file:uk.org.ngo.squeezer.util.ImageWorker.java

/**
 * Adds a debug swatch to a canvas. The marker is a triangle pointing north-west
 * on the top left corner, the edges are 25% of the canvas' width and height.
 *
 * @param canvas The canvas to draw on.//from   w  w w.  j  a va  2 s  .c om
 * @param color The colour to use for the swatch.
 */
public static void addDebugSwatch(Canvas canvas, int color) {
    float width = canvas.getWidth();
    float height = canvas.getHeight();

    Path path = new Path();
    path.lineTo(width / 4, 0);
    path.lineTo(0, height / 4);
    path.lineTo(0, 0);

    // Draw the swatch.
    mCacheDebugPaint.setColor(color);
    mCacheDebugPaint.setStyle(Paint.Style.FILL);
    canvas.drawPath(path, mCacheDebugPaint);

    // Stroke the swatch with a white hairline.
    mCacheDebugPaint.setColor(Color.WHITE);
    mCacheDebugPaint.setStyle(Paint.Style.STROKE);
    mCacheDebugPaint.setStrokeWidth(0);
    canvas.drawPath(path, mCacheDebugPaint);
}

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From source file:com.jaspersoft.android.jaspermobile.widget.AnnotationView.java

@Override
public void draw(Canvas canvas) {
    super.draw(canvas);
    for (Pair<Paint, Path> paintPathPair : mDrawingCache) {
        canvas.drawPath(paintPathPair.second, paintPathPair.first);
    }/* w w w .  jav  a2s  .com*/
}

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