Example usage for android.graphics RectF inset

Introduction

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

Prototype

public void inset(float dx, float dy) 

Source Link

Document

Inset the rectangle by (dx,dy).

Usage

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 . c o 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: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  ww w.j a v a 2 s . 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:com.liferay.mobile.screens.viewsets.defaultviews.userportrait.UserPortraitView.java

protected RectF getRectF(Bitmap bitmap, float borderWidth) {
    RectF rect = new RectF(0.0f, 0.0f, bitmap.getWidth(), bitmap.getHeight());
    rect.inset(borderWidth, borderWidth);
    return rect;//w w  w .  j  a va2  s  .c  o m
}

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From source file:me.lizheng.deckview.helpers.FakeShadowDrawable.java

private void buildShadowCorners() {
    RectF innerBounds = new RectF(-mCornerRadius, -mCornerRadius, mCornerRadius, mCornerRadius);
    RectF outerBounds = new RectF(innerBounds);
    outerBounds.inset(-mShadowSize, -mShadowSize);

    if (mCornerShadowPath == null) {
        mCornerShadowPath = new Path();
    } else {/*  w  w w  .  jav  a  2s. co  m*/
        mCornerShadowPath.reset();
    }
    mCornerShadowPath.setFillType(Path.FillType.EVEN_ODD);
    mCornerShadowPath.moveTo(-mCornerRadius, 0);
    mCornerShadowPath.rLineTo(-mShadowSize, 0);
    // outer arc
    mCornerShadowPath.arcTo(outerBounds, 180f, 90f, false);
    // inner arc
    mCornerShadowPath.arcTo(innerBounds, 270f, -90f, false);
    mCornerShadowPath.close();

    float startRatio = mCornerRadius / (mCornerRadius + mShadowSize);
    mCornerShadowPaint.setShader(new RadialGradient(0, 0, mCornerRadius + mShadowSize,
            new int[] { mShadowStartColor, mShadowStartColor, mShadowEndColor },
            new float[] { 0f, startRatio, 1f }, Shader.TileMode.CLAMP));

    // we offset the content shadowSize/2 pixels up to make it more realistic.
    // this is why edge shadow shader has some extra space
    // When drawing bottom edge shadow, we use that extra space.
    mEdgeShadowPaint.setShader(new LinearGradient(0, -mCornerRadius + mShadowSize, 0,
            -mCornerRadius - mShadowSize, new int[] { mShadowStartColor, mShadowStartColor, mShadowEndColor },
            new float[] { 0f, .5f, 1f }, Shader.TileMode.CLAMP));
}

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

private void buildShadowCorners() {
    RectF innerBounds = new RectF(-mCornerRadius, -mCornerRadius, mCornerRadius, mCornerRadius);
    RectF outerBounds = new RectF(innerBounds);
    outerBounds.inset(-mShadowSize, -mShadowSize);

    if (mCornerShadowPath == null) {
        mCornerShadowPath = new Path();
    } else {//  w  ww  .jav a2  s.  c o  m
        mCornerShadowPath.reset();
    }
    mCornerShadowPath.setFillType(Path.FillType.EVEN_ODD);
    mCornerShadowPath.moveTo(-mCornerRadius, 0);
    mCornerShadowPath.rLineTo(-mShadowSize, 0);
    // outer arc
    mCornerShadowPath.arcTo(outerBounds, 180f, 90f, false);
    // inner arc
    mCornerShadowPath.arcTo(innerBounds, 270f, -90f, false);
    mCornerShadowPath.close();

    float shadowRadius = -outerBounds.top;
    if (shadowRadius > 0f) {
        float startRatio = mCornerRadius / shadowRadius;
        float midRatio = startRatio + ((1f - startRatio) / 2f);
        mCornerShadowPaint.setShader(new RadialGradient(0, 0, shadowRadius,
                new int[] { 0, mShadowStartColor, mShadowMiddleColor, mShadowEndColor },
                new float[] { 0f, startRatio, midRatio, 1f }, Shader.TileMode.CLAMP));
    }

    // we offset the content shadowSize/2 pixels up to make it more realistic.
    // this is why edge shadow shader has some extra space
    // When drawing bottom edge shadow, we use that extra space.
    mEdgeShadowPaint.setShader(new LinearGradient(0, innerBounds.top, 0, outerBounds.top,
            new int[] { mShadowStartColor, mShadowMiddleColor, mShadowEndColor }, new float[] { 0f, .5f, 1f },
            Shader.TileMode.CLAMP));
    mEdgeShadowPaint.setAntiAlias(false);
}

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From source file:com.example.waitou.rxjava.LoadingView.java

/**
 * draw the ring//from  w w w .ja va2s  .com
 *
 * @param canvas to draw the Ring
 * @param bounds the ring's rect
 */
private void drawRing(Canvas canvas, Rect bounds) {
    final RectF arcBounds = mTempBounds;
    final Ring ring = mRing;
    arcBounds.set(bounds);
    arcBounds.inset(ring.strokeInset, ring.strokeInset);
    canvas.drawArc(arcBounds, ring.start, ring.sweep, false, mPaint);
}

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From source file:com.android.camera.HighlightView.java

private void growBy(float dx, float dy) {
    if (mMaintainAspectRatio) {
        if (dx != 0) {
            dy = dx / mInitialAspectRatio;
        } else if (dy != 0) {
            dx = dy * mInitialAspectRatio;
        }//from  w w  w . java2  s .co  m
    }

    // Don't let the cropping rectangle grow too fast.
    // Grow at most half of the difference between the image rectangle and
    // the cropping rectangle.
    RectF r = new RectF(mCropRect);
    if (dx > 0F && r.width() + 2 * dx > mImageRect.width()) {
        dx = (mImageRect.width() - r.width()) / 2F;
        if (mMaintainAspectRatio) {
            dy = dx / mInitialAspectRatio;
        }
    }
    if (dy > 0F && r.height() + 2 * dy > mImageRect.height()) {
        dy = (mImageRect.height() - r.height()) / 2F;
        if (mMaintainAspectRatio) {
            dx = dy * mInitialAspectRatio;
        }
    }

    r.inset(-dx, -dy);

    // Don't let the cropping rectangle shrink too fast.
    final float widthCap = 25F;
    if (r.width() < widthCap) {
        r.inset(-(widthCap - r.width()) / 2F, 0F);
    }
    float heightCap = mMaintainAspectRatio ? (widthCap / mInitialAspectRatio) : widthCap;
    if (r.height() < heightCap) {
        r.inset(0F, -(heightCap - r.height()) / 2F);
    }

    // Put the cropping rectangle inside the image rectangle.
    if (r.left < mImageRect.left) {
        r.offset(mImageRect.left - r.left, 0F);
    } else if (r.right > mImageRect.right) {
        r.offset(-(r.right - mImageRect.right), 0);
    }
    if (r.top < mImageRect.top) {
        r.offset(0F, mImageRect.top - r.top);
    } else if (r.bottom > mImageRect.bottom) {
        r.offset(0F, -(r.bottom - mImageRect.bottom));
    }

    mCropRect.set(r);
    mDrawRect = computeLayout();
    mContext.invalidate();
}

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From source file:com.example.gatsu.theevent.HighlightView.java

void growBy(float dx, float dy) {

    if (mMaintainAspectRatio) {
        if (dx != 0) {
            dy = dx / mInitialAspectRatio;
        } else if (dy != 0) {
            dx = dy * mInitialAspectRatio;
        }// ww w. j av a  2s  . co  m
    }

    // Don't let the cropping rectangle grow too fast.
    // Grow at most half of the difference between the image rectangle and
    // the cropping rectangle.
    RectF r = new RectF(mCropRect);
    if (dx > 0F && r.width() + 2 * dx > mImageRect.width()) {
        float adjustment = (mImageRect.width() - r.width()) / 2F;
        dx = adjustment;
        if (mMaintainAspectRatio) {
            dy = dx / mInitialAspectRatio;
        }
    }
    if (dy > 0F && r.height() + 2 * dy > mImageRect.height()) {
        float adjustment = (mImageRect.height() - r.height()) / 2F;
        dy = adjustment;
        if (mMaintainAspectRatio) {
            dx = dy * mInitialAspectRatio;
        }
    }

    r.inset(-dx, -dy);

    // Don't let the cropping rectangle shrink too fast.
    final float widthCap = 25F;
    if (r.width() < widthCap) {
        r.inset(-(widthCap - r.width()) / 2F, 0F);
    }
    float heightCap = mMaintainAspectRatio ? (widthCap / mInitialAspectRatio) : widthCap;
    if (r.height() < heightCap) {
        r.inset(0F, -(heightCap - r.height()) / 2F);
    }

    // Put the cropping rectangle inside the image rectangle.
    if (r.left < mImageRect.left) {
        r.offset(mImageRect.left - r.left, 0F);
    } else if (r.right > mImageRect.right) {
        r.offset(-(r.right - mImageRect.right), 0);
    }
    if (r.top < mImageRect.top) {
        r.offset(0F, mImageRect.top - r.top);
    } else if (r.bottom > mImageRect.bottom) {
        r.offset(0F, -(r.bottom - mImageRect.bottom));
    }

    mCropRect.set(r);
    mDrawRect = computeLayout();
    mContext.invalidate();
}

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From source file:org.caojun.library.cropimage.HighlightView.java

void growBy(float dx, float dy) {

    if (mMaintainAspectRatio) {
        if (dx != 0) {
            dy = dx / mInitialAspectRatio;
        } else if (dy != 0) {
            dx = dy * mInitialAspectRatio;
        }/* www.  j  a va  2 s  .com*/
    }

    // Don't let the cropping rectangle grow too fast.
    // Grow at most half of the difference between the image rectangle and
    // the cropping rectangle.
    RectF r = new RectF(mCropRect);
    if (dx > 0F && r.width() + 2 * dx > mImageRect.width()) {
        float adjustment = (mImageRect.width() - r.width()) / 2F;
        dx = adjustment;
        if (mMaintainAspectRatio) {
            dy = dx / mInitialAspectRatio;
        }
    }
    if (dy > 0F && r.height() + 2 * dy > mImageRect.height()) {
        float adjustment = (mImageRect.height() - r.height()) / 2F;
        dy = adjustment;
        if (mMaintainAspectRatio) {
            dx = dy * mInitialAspectRatio;
        }
    }

    r.inset(-dx, -dy);

    // Don't let the cropping rectangle shrink too fast.
    final float widthCap = 25F;
    if (r.width() < widthCap) {
        r.inset(-(widthCap - r.width()) / 2F, 0F);
    }
    float heightCap = mMaintainAspectRatio ? (widthCap / mInitialAspectRatio) : widthCap;
    if (r.height() < heightCap) {
        r.inset(0F, -(heightCap - r.height()) / 2F);
    }

    // Put the cropping rectangle inside the image rectangle.
    if (r.left < mImageRect.left) {
        r.offset(mImageRect.left - r.left, 0F);
    } else if (r.right > mImageRect.right) {
        r.offset(-(r.right - mImageRect.right), 0);
    }
    if (r.top < mImageRect.top) {
        r.offset(0F, mImageRect.top - r.top);
    } else if (r.bottom > mImageRect.bottom) {
        r.offset(0F, -(r.bottom - mImageRect.bottom));
    }

    mCropRect.set(r);
    mDrawRect = computeLayout();
    mView.invalidate();
}

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From source file:org.getlantern.firetweet.view.ShapedImageView.java

private void drawBorder(@NonNull final Canvas canvas, @NonNull final RectF dest) {
    if (mBorderColors == null)
        return;//from  w w w  .j  a v a  2s . c o  m
    final RectF transitionSrc = mTransitionSource, transitionDst = mTransitionDestination;
    final float strokeWidth;
    if (transitionSrc != null && transitionDst != null) {
        final float progress = 1
                - (dest.width() - transitionDst.width()) / (transitionSrc.width() - transitionDst.width());
        strokeWidth = mStrokeWidth * progress;
        mBorderPaint.setAlpha(Math.round(mBorderAlpha * progress));
        ViewCompat.setTranslationZ(this, -ViewCompat.getElevation(this) * (1 - progress));
    } else {
        strokeWidth = mStrokeWidth;
        mBorderPaint.setAlpha(mBorderAlpha);
        ViewCompat.setTranslationZ(this, 0);
    }
    mBorderPaint.setStrokeWidth(strokeWidth);
    if (getStyle() == SHAPE_CIRCLE) {
        final float circleRadius = Math.min(dest.width(), dest.height()) / 2f - strokeWidth / 2;
        canvas.drawCircle(dest.centerX(), dest.centerY(), circleRadius, mBorderPaint);
    } else {
        final float radius = getCalculatedCornerRadius();
        final float inset = mStrokeWidth / 2;
        dest.inset(inset, inset);
        canvas.drawRoundRect(dest, radius, radius, mBorderPaint);
        dest.inset(-inset, -inset);
    }
}

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