Examples with RectF android.graphics.RectF used on opensource projects

Example 86 with RectF

use of android.graphics.RectF in project WordPress-Android by wordpress-mobile.

the class ImageUtils method getRoundedEdgeBitmap.

/**
     * Returns the passed bitmap with rounded corners
     * @param bitmap - the bitmap to modify
     * @param radius - the radius of the corners
     * @param borderColor - the border to apply (use Color.TRANSPARENT for none)
     */
public static Bitmap getRoundedEdgeBitmap(final Bitmap bitmap, int radius, int borderColor) {
    if (bitmap == null) {
        return null;
    }
    final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(output);
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(Color.RED);
    canvas.drawRoundRect(rectF, radius, radius, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    if (borderColor != Color.TRANSPARENT) {
        paint.setStyle(Paint.Style.STROKE);
        paint.setStrokeWidth(1f);
        paint.setColor(borderColor);
        canvas.drawRoundRect(rectF, radius, radius, paint);
    }
    return output;
}

Example 87 with RectF

use of android.graphics.RectF in project ZI by yixia.

the class HighlightView method growBy.

// Grows the cropping rectange by (dx, dy) in image space.
void growBy(float dx, float dy) {
    if (mMaintainAspectRatio) {
        if (dx != 0) {
            dy = dx / mInitialAspectRatio;
        } else if (dy != 0) {
            dx = dy * mInitialAspectRatio;
        }
    }
    // 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();
}

Example 88 with RectF

use of android.graphics.RectF in project ZI by yixia.

the class HighlightView method setup.

public void setup(Matrix m, Rect imageRect, RectF cropRect, boolean circle, boolean maintainAspectRatio) {
    if (circle) {
        maintainAspectRatio = true;
    }
    mMatrix = new Matrix(m);
    mCropRect = cropRect;
    mImageRect = new RectF(imageRect);
    mMaintainAspectRatio = maintainAspectRatio;
    mCircle = circle;
    mInitialAspectRatio = mCropRect.width() / mCropRect.height();
    mDrawRect = computeLayout();
    mFocusPaint.setARGB(125, 50, 50, 50);
    mNoFocusPaint.setARGB(125, 50, 50, 50);
    mOutlinePaint.setStrokeWidth(3F);
    mOutlinePaint.setStyle(Paint.Style.STROKE);
    mOutlinePaint.setAntiAlias(true);
    mMode = ModifyMode.None;
    init();
}

Example 89 with RectF

use of android.graphics.RectF in project ZI by yixia.

the class ImageViewTouchBase method center.

// Center as much as possible in one or both axis.  Centering is
// defined as follows:  if the image is scaled down below the
// view's dimensions then center it (literally).  If the image
// is scaled larger than the view and is translated out of view
// then translate it back into view (i.e. eliminate black bars).
protected void center(boolean horizontal, boolean vertical) {
    if (mBitmapDisplayed.getBitmap() == null) {
        return;
    }
    Matrix m = getImageViewMatrix();
    RectF rect = new RectF(0, 0, mBitmapDisplayed.getBitmap().getWidth(), mBitmapDisplayed.getBitmap().getHeight());
    m.mapRect(rect);
    float height = rect.height();
    float width = rect.width();
    float deltaX = 0, deltaY = 0;
    if (vertical) {
        int viewHeight = getHeight();
        if (height < viewHeight) {
            deltaY = (viewHeight - height) / 2 - rect.top;
        } else if (rect.top > 0) {
            deltaY = -rect.top;
        } else if (rect.bottom < viewHeight) {
            deltaY = getHeight() - rect.bottom;
        }
    }
    if (horizontal) {
        int viewWidth = getWidth();
        if (width < viewWidth) {
            deltaX = (viewWidth - width) / 2 - rect.left;
        } else if (rect.left > 0) {
            deltaX = -rect.left;
        } else if (rect.right < viewWidth) {
            deltaX = viewWidth - rect.right;
        }
    }
    postTranslate(deltaX, deltaY);
    setImageMatrix(getImageViewMatrix());
}

Example 90 with RectF

use of android.graphics.RectF in project ZI by yixia.

the class ColorPickerView method drawAlphaPanel.

private void drawAlphaPanel(Canvas canvas) {
    if (!mShowAlphaPanel || mAlphaRect == null || mAlphaPattern == null)
        return;
    final RectF rect = mAlphaRect;
    if (BORDER_WIDTH_PX > 0) {
        mBorderPaint.setColor(mBorderColor);
        canvas.drawRect(rect.left - BORDER_WIDTH_PX, rect.top - BORDER_WIDTH_PX, rect.right + BORDER_WIDTH_PX, rect.bottom + BORDER_WIDTH_PX, mBorderPaint);
    }
    mAlphaPattern.draw(canvas);
    float[] hsv = new float[] { mHue, mSat, mVal };
    int color = Color.HSVToColor(hsv);
    int acolor = Color.HSVToColor(0, hsv);
    mAlphaShader = new LinearGradient(rect.left, rect.top, rect.right, rect.top, color, acolor, TileMode.CLAMP);
    mAlphaPaint.setShader(mAlphaShader);
    canvas.drawRect(rect, mAlphaPaint);
    if (mAlphaSliderText != null && mAlphaSliderText != "") {
        canvas.drawText(mAlphaSliderText, rect.centerX(), rect.centerY() + 4 * mDensity, mAlphaTextPaint);
    }
    float rectWidth = 4 * mDensity / 2;
    Point p = alphaToPoint(mAlpha);
    RectF r = new RectF();
    r.left = p.x - rectWidth;
    r.right = p.x + rectWidth;
    r.top = rect.top - RECTANGLE_TRACKER_OFFSET;
    r.bottom = rect.bottom + RECTANGLE_TRACKER_OFFSET;
    canvas.drawRoundRect(r, 2, 2, mHueTrackerPaint);
}