private void drawTriangle(Canvas c, float startAngle, float sweepAngle, Rect bounds) {
if (mShowArrow) {
if (mArrow == null) {
mArrow = new Path();
mArrow.setFillType(Path.FillType.EVEN_ODD);
} else {
mArrow.reset();
}
// Adjust the position of the triangle so that it is inset as
// much as the arc, but also centered on the arc.
float inset = (int) mStrokeInset / 2 * mArrowScale;
float x = (float) (mRingCenterRadius * Math.cos(0) + bounds.exactCenterX());
float y = (float) (mRingCenterRadius * Math.sin(0) + bounds.exactCenterY());
// Update the path each time. This works around an issue in SKIA
// where concatenating a rotation matrix to a scale matrix
// ignored a starting negative rotation. This appears to have
// been fixed as of API 21.
mArrow.moveTo(0, 0);
mArrow.lineTo(mArrowWidth * mArrowScale, 0);
mArrow.lineTo((mArrowWidth * mArrowScale / 2), (mArrowHeight * mArrowScale));
mArrow.offset(x - inset, y);
mArrow.close();
// draw a triangle
mArrowPaint.setColor(mColors[mColorIndex]);
c.rotate(
startAngle + sweepAngle - ARROW_OFFSET_ANGLE,
bounds.exactCenterX(),
bounds.exactCenterY());
c.drawPath(mArrow, mArrowPaint);
}
}
@Override
protected boolean onStateChange(int[] state) {
boolean pressed = ViewUtil.hasState(state, android.R.attr.state_pressed);
if (mPressed != pressed) {
mPressed = pressed;
if (mPressed) {
Rect bounds = getBounds();
if (mState == STATE_OUT || mState == STATE_RELEASE) {
if (mRippleType == TYPE_WAVE || mRippleType == TYPE_TOUCH_MATCH_VIEW)
mMaxRippleRadius = getMaxRippleRadius(bounds.exactCenterX(), bounds.exactCenterY());
setRippleEffect(bounds.exactCenterX(), bounds.exactCenterY(), 0);
setRippleState(STATE_PRESS);
} else if (mRippleType == TYPE_TOUCH)
setRippleEffect(bounds.exactCenterX(), bounds.exactCenterY(), mRippleRadius);
} else {
if (mState != STATE_OUT) {
if (mState == STATE_HOVER) {
if (mRippleType == TYPE_WAVE || mRippleType == TYPE_TOUCH_MATCH_VIEW)
setRippleEffect(mRipplePoint.x, mRipplePoint.y, 0);
setRippleState(STATE_RELEASE);
} else setRippleState(STATE_RELEASE_ON_HOLD);
}
}
return true;
}
return false;
}
@Override
protected void onBoundsChange(Rect bounds) {
mBoxRect.set(
bounds.exactCenterX() - mBoxSize / 2,
bounds.exactCenterY() - mBoxSize / 2,
bounds.exactCenterX() + mBoxSize / 2,
bounds.exactCenterY() + mBoxSize / 2);
}
public final void draw(Canvas paramCanvas) {
Rect localRect = getBounds();
int i = paramCanvas.save();
paramCanvas.rotate(this.mRotation, localRect.exactCenterX(), localRect.exactCenterY());
Ring localRing = this.mRing;
RectF localRectF = localRing.mTempBounds;
localRectF.set(localRect);
localRectF.inset(localRing.mStrokeInset, localRing.mStrokeInset);
float f1 = 360.0F * (localRing.mStartTrim + localRing.mRotation);
float f2 = 360.0F * (localRing.mEndTrim + localRing.mRotation) - f1;
localRing.mPaint.setColor(localRing.mCurrentColor);
paramCanvas.drawArc(localRectF, f1, f2, false, localRing.mPaint);
if (localRing.mShowArrow) {
if (localRing.mArrow != null) {
break label427;
}
localRing.mArrow = new Path();
localRing.mArrow.setFillType(Path.FillType.EVEN_ODD);
}
for (; ; ) {
float f3 = (int) localRing.mStrokeInset / 2 * localRing.mArrowScale;
float f4 = (float) (localRing.mRingCenterRadius * Math.cos(0.0D) + localRect.exactCenterX());
float f5 = (float) (localRing.mRingCenterRadius * Math.sin(0.0D) + localRect.exactCenterY());
localRing.mArrow.moveTo(0.0F, 0.0F);
localRing.mArrow.lineTo(localRing.mArrowWidth * localRing.mArrowScale, 0.0F);
localRing.mArrow.lineTo(
localRing.mArrowWidth * localRing.mArrowScale / 2.0F,
localRing.mArrowHeight * localRing.mArrowScale);
localRing.mArrow.offset(f4 - f3, f5);
localRing.mArrow.close();
localRing.mArrowPaint.setColor(localRing.mCurrentColor);
paramCanvas.rotate(f1 + f2 - 5.0F, localRect.exactCenterX(), localRect.exactCenterY());
paramCanvas.drawPath(localRing.mArrow, localRing.mArrowPaint);
if (localRing.mAlpha < 255) {
localRing.mCirclePaint.setColor(localRing.mBackgroundColor);
localRing.mCirclePaint.setAlpha(255 - localRing.mAlpha);
paramCanvas.drawCircle(
localRect.exactCenterX(),
localRect.exactCenterY(),
localRect.width() / 2,
localRing.mCirclePaint);
}
paramCanvas.restoreToCount(i);
return;
label427:
localRing.mArrow.reset();
}
}
private void updatePath() {
float radius = getWidth() / 20;
float arrowHeight = getHeight() / 4;
Rect rect = new Rect(2, 2, this.getWidth() - 4, this.getHeight() - 4);
mPath = new Path();
mPath.moveTo(rect.left + radius, rect.top);
mPath.lineTo(rect.right, rect.top);
mPath.lineTo(rect.right, rect.bottom - arrowHeight);
mPath.lineTo(rect.exactCenterX(), rect.bottom);
mPath.lineTo(rect.left, rect.bottom - arrowHeight);
mPath.lineTo(rect.left, rect.top);
mPath.close();
int color = this.getContext().getResources().getColor(R.color.tag_unselected_outline);
if (mIsActive) color = this.getContext().getResources().getColor(R.color.tag_selected_outline);
mPaint = new Paint();
mPaint.setAntiAlias(true);
mPaint.setColor(color);
mPaint.setStyle(Paint.Style.FILL);
mPaint.setStrokeWidth(0);
mPaint.setStrokeJoin(Paint.Join.ROUND); // set the join to round you
// want
mPaint.setStrokeCap(Paint.Cap.ROUND); // set the paint cap to round too
mPaint.setPathEffect(new CornerPathEffect(radius)); // set the path
// effect when they
color = this.getContext().getResources().getColor(R.color.tag_unselected);
if (mIsActive) color = this.getContext().getResources().getColor(R.color.tag_selected);
mShader = new LinearGradient(0, 0, 0, getHeight(), color, color, Shader.TileMode.CLAMP);
}
@Override
public void draw(Canvas canvas) {
canvas.save();
canvas.rotate(rotation, drawableArea.exactCenterX(), drawableArea.exactCenterY());
canvas.drawPath(glyphPath, glyphPaint);
canvas.restore();
}
/**
* Shrink the {@code shrinkTarget} rectangle to snugly fit inside of {@code reference}; the aspect
* ratio of {@code shrinkTarget} will change to be the same aspect ratio as {@code reference}.
*
* <p>At most a single dimension will scale (down). Both dimensions will never be scaled.
*
* @param reference the rectangle whose aspect ratio will be used as the new aspect ratio
* @param shrinkTarget the rectangle which will be scaled down to have a new aspect ratio
* @return a new rectangle, a subset of {@code shrinkTarget}, whose aspect ratio will match that
* of {@code reference}
*/
private static Rect shrinkToSameAspectRatioCentered(Rect reference, Rect shrinkTarget) {
float aspectRatioReference = reference.width() * 1.0f / reference.height();
float aspectRatioShrinkTarget = shrinkTarget.width() * 1.0f / shrinkTarget.height();
float cropH, cropW;
if (aspectRatioShrinkTarget < aspectRatioReference) {
// The new width must be smaller than the height, so scale the width by AR
cropH = reference.height();
cropW = cropH * aspectRatioShrinkTarget;
} else {
// The new height must be smaller (or equal) than the width, so scale the height by AR
cropW = reference.width();
cropH = cropW / aspectRatioShrinkTarget;
}
Matrix translateMatrix = new Matrix();
RectF shrunkRect = new RectF(shrinkTarget);
// Scale the rectangle down, but keep its center in the same place as before
translateMatrix.setScale(
cropW / reference.width(),
cropH / reference.height(),
shrinkTarget.exactCenterX(),
shrinkTarget.exactCenterY());
translateMatrix.mapRect(/*inout*/ shrunkRect);
return ParamsUtils.createRect(shrunkRect);
}
private void init() {
if (mPaint == null) {
mPaint = new Paint();
mPaint.setColor(Color.WHITE);
mPaint.setAntiAlias(true);
mPaint.setStyle(Paint.Style.FILL);
}
int count = (mPoints - 1) * 4;
posX = new float[count];
posY = new float[count];
Rect bounds = new Rect();
bounds.set(getBounds());
bounds.inset(mPadding, mPadding);
// circumference
float circ = (float) (Math.PI * (float) Math.min(bounds.width(), bounds.height()));
float arcLength = circ / count;
mSize = (float) ((arcLength) / (2 * Math.PI));
double degrees = Math.toRadians((float) 360 / (float) count);
for (int i = 0; i < count; i++) {
posX[i] = (float) (bounds.exactCenterX() - (bounds.width() / 2) * Math.sin(degrees * i));
posY[i] = (float) (bounds.exactCenterY() + (bounds.height() / 2) * Math.cos(degrees * i));
}
}
public void draw(Canvas paramCanvas)
{
Rect localRect = getBounds();
int i = paramCanvas.save();
paramCanvas.rotate(mRotation, localRect.exactCenterX(), localRect.exactCenterY());
mRing.draw(paramCanvas, localRect);
paramCanvas.restoreToCount(i);
}
@Override
public void draw(Canvas c) {
final Rect bounds = getBounds();
final int saveCount = c.save();
c.rotate(mRotation, bounds.exactCenterX(), bounds.exactCenterY());
mRing.draw(c, bounds);
c.restoreToCount(saveCount);
}
@Override
protected void onPostDraw(Canvas canvas, Rect rect) {
paintStroke.setColor(DARK_GRAY);
final float size = recalc(rect, 23.783f);
paintStroke.setStrokeWidth(8 * rect.width() / 1000f);
canvas.drawLine(
rect.exactCenterX() - size,
rect.exactCenterY() - size,
rect.exactCenterX() + size,
rect.exactCenterY() + size,
paintStroke);
canvas.drawLine(
rect.exactCenterX() - size,
rect.exactCenterY() + size,
rect.exactCenterX() + size,
rect.exactCenterY() - size,
paintStroke);
}
@Override
protected void onDraw(Canvas canvas) {
final int saveCount = canvas.save();
Rect rect = mDrawable.getBounds();
int l = getPaddingLeft() + (getMeasuredWidth() - mDrawable.getIntrinsicWidth()) / 2;
canvas.translate(l, getPaddingTop());
canvas.scale(mScale, mScale, rect.exactCenterX(), rect.exactCenterY());
mDrawable.draw(canvas);
canvas.restoreToCount(saveCount);
}
@Override
protected void onDraw(Canvas canvas) {
try {
int height = getHeight() / 10;
Bitmap state =
State == 7
? StateSplash4
: State == 6
? StateSplash3
: State == 5
? StateSplash2
: State == 4
? StateSplash1
: State == 3
? StateLand
: State == 2 ? StateFly : State == 1 ? StateJump : StateSit;
if (Position == null) {
X = (int) GameStat.RoseStart.exactCenterX();
Y = (int) GameStat.RoseStart.exactCenterY();
Y -= height;
X -= height / 2;
Position = new Rect(X, Y, X + height, Y + height);
}
if (Charge > 0 && State == 0) {
int si = Charge + 5;
Drop.setStrokeWidth(Position.width() / 2);
Drop.setPathEffect(
new DashPathEffect(new float[] {Position.width() / 8, Position.width()}, 0));
Path p = new Path();
p.moveTo(Position.exactCenterX(), Position.exactCenterY());
p.lineTo(MovePoint.x, MovePoint.y);
canvas.drawPath(p, Drop);
}
Scorer.setTextSize(getHeight() / 8);
Scorer.setFakeBoldText(true);
// Scorer.setShadowLayer(10, 10, 10, Color.DKGRAY);
canvas.drawText(
String.valueOf(Score),
FontHelper.drawTextX(String.valueOf(Score), Scorer, getWidth() / 2),
0 + getHeight() / 8,
Scorer);
BitmapHelper.drawIn(canvas, Position, state);
} catch (Exception e) {
}
}
@Override
public void draw(Canvas canvas) {
if (mBitmap != null) {
Rect bounds = getBounds();
float x = bounds.exactCenterX();
float y = bounds.exactCenterY();
float radius = bounds.height() / 2f;
mPaint.setShader(mBitmapShader);
canvas.drawCircle(x, y, radius, mPaint);
}
}
public static Bitmap getRoundBitmap(Bitmap bitmap) {
int width = bitmap.getWidth();
int height = bitmap.getHeight();
Bitmap output = Bitmap.createBitmap(width, height, Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
if (width <= height) {
canvas.drawCircle(rect.exactCenterX(), rect.exactCenterY(), (rect.width() / 2) - 3, paint);
} else {
canvas.drawCircle(rect.exactCenterX(), rect.exactCenterY(), (rect.height() / 2) - 3, paint);
}
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
return output;
}
@Override
protected void onDraw(Canvas canvas) {
if (userLocation == null || !userLocation.hasAccuracy() || displayState == null) {
return;
}
// Figure out distance from user location to screen center point
float[] mapLonLat = displayState.getScreenCenterGeoLocation();
screenCenterLocation.setLatitude(mapLonLat[1]);
screenCenterLocation.setLongitude(mapLonLat[0]);
int distanceM = Math.round(userLocation.distanceTo(screenCenterLocation));
int accuracyM = Math.round(userLocation.getAccuracy());
// Don't draw if centered
if (distanceM == 0) {
return;
}
// Format the distance and accuracy nicely
String distanceStr;
if (PreferenceStore.instance(getContext()).isMetric()) {
distanceStr = getMetricDistanceString(distanceM, accuracyM);
} else {
distanceStr = getEnglishDistanceString(distanceM, accuracyM);
}
// Compute the pixel size of the distanceStr
// -- set font size based on canvas density (dpi)
textPaint.setTextSize(ptsToPixels(textSizePt, canvas));
Rect distanceBox = new Rect();
textPaint.getTextBounds(distanceStr, 0, distanceStr.length(), distanceBox);
distanceBox.offsetTo(0, 0);
int padding = Math.round(ptsToPixels(paddingPt, canvas));
distanceBox.right += 2 * padding;
distanceBox.bottom += 2 * padding;
distanceBox.offset((getWidth() - distanceBox.width()) / 2, getHeight() - distanceBox.height());
float baseline = distanceBox.bottom - padding;
backgroundPaint.setAlpha(192);
backgroundPaint.setStyle(Paint.Style.FILL);
textPaint.setStrokeWidth(1f);
textPaint.setStyle(Paint.Style.FILL_AND_STROKE);
canvas.drawRoundRect(new RectF(distanceBox), padding, padding, backgroundPaint);
canvas.drawText(distanceStr, distanceBox.exactCenterX(), baseline, textPaint);
// Draw center circles
int x = getWidth() / 2;
int y = getHeight() / 2;
backgroundPaint.setAlpha(255);
backgroundPaint.setStyle(Paint.Style.STROKE);
textPaint.setStrokeWidth(2f);
textPaint.setStyle(Paint.Style.STROKE);
canvas.drawCircle(x, y, 5, backgroundPaint);
canvas.drawCircle(x, y, 5, textPaint);
}
@Override
public void draw(Canvas c) {
Rect bounds = getBounds();
final int saveCount = c.save();
c.translate(0, mTop);
mCircle.draw(c);
// c.scale((float)mWidth / bounds.width(), (float)mHeight /
// bounds.height());
c.rotate(mRotation, bounds.exactCenterX(), bounds.exactCenterY());
mRing.draw(c, bounds);
c.restoreToCount(saveCount);
}
@Override
protected void onDraw(Canvas canvas) {
canvasNew = canvas;
// one time function
if (firstDrawBallRect) {
canvasHeight = canvas.getHeight();
canvasWidth = canvas.getWidth();
// dim = canvasWidth/5;
ballRectX = canvasWidth / 2 - dim / 2;
ballRectY = canvasHeight - dim;
ballRect =
new Rect(
canvasWidth / 2 - dim / 2,
canvasHeight - dim,
canvasWidth / 2 + dim / 2,
canvasHeight);
firstDrawBallRect = false;
}
// drawing the paths and connectors
paint.setColor(pathPaint);
rect =
new Rect(
canvasWidth / 2 - dim / 2 - 10,
canvasHeight / 2,
canvasWidth / 2 + dim / 2 + 10,
canvasHeight);
canvas.drawRect(rect, paint);
conRect = new Rect(rect.left, rect.top - dim, rect.right, rect.top + dim);
canvas.drawRect(conRect, paint);
rect2 = new Rect(conRect.left, rect.top - rect.width(), canvasWidth - 200, rect.top);
canvas.drawRect(rect2, paint);
// drawing the goal
paint.setColor(Color.CYAN);
goal = new Rect(rect2.right - 110, rect2.top + 10, rect2.right - 10, rect2.bottom - 10);
canvas.drawRect(goal, paint);
// drawing the ball
paint.setColor(ballPaint);
canvas.drawRect(ballRect, paint);
// drawing the text
paint.setColor(textPaint);
paint.setTextSize(40);
canvas.drawText(
"Ball at (" + ballRect.exactCenterX() + "," + ballRect.exactCenterY() + ")", 30, 50, paint);
invalidate();
}
@Override
public void draw(Canvas c) {
if (mShadow != null) {
mShadow.getPaint().setColor(mBackgroundColor);
mShadow.draw(c);
}
final Rect bounds = getBounds();
final int saveCount = c.save();
c.rotate(mRotation, bounds.exactCenterX(), bounds.exactCenterY());
mRing.draw(c, bounds);
c.restoreToCount(saveCount);
}
private void updateMatrix() {
if (mBitmap == null) return;
Rect bounds = getBounds();
if (bounds.width() == 0 || bounds.height() == 0) return;
mMatrix.reset();
float scale = bounds.height() / (float) Math.min(mBitmap.getWidth(), mBitmap.getHeight());
mMatrix.setScale(scale, scale, 0, 0);
mMatrix.postTranslate(
bounds.exactCenterX() - mBitmap.getWidth() * scale / 2,
bounds.exactCenterY() - mBitmap.getHeight() * scale / 2);
mBitmapShader.setLocalMatrix(mMatrix);
}
private void applyZoomToCurrentRect(float animationProgress) {
if (mSourceRect == null) return;
if (mCurrentRect == null) mCurrentRect = new Rect();
mCurrentRect.set(
mSourceRect.left + (((int) (mCurrentZoom * mSourceRect.width()) / 2)),
mSourceRect.top + (((int) (mCurrentZoom * mSourceRect.height()) / 2)),
mSourceRect.right - (((int) (mCurrentZoom * mSourceRect.width()) / 2)),
mSourceRect.bottom - (((int) (mCurrentZoom * mSourceRect.height()) / 2)));
if (mFocalPoint != null)
mCurrentRect.offset(
((int) ((mFocalPoint.x - mSourceRect.exactCenterX()) * animationProgress)),
((int) ((mFocalPoint.y - mSourceRect.exactCenterY()) * animationProgress)));
fixCurrentRectBounds();
}
/**
* Emulates a tap event positioned at the center of the selected view. No-op if no view is
* selected.
*/
private void tapSelectedView() {
if (mSelectedView == null) {
return;
}
final float centerX = mSelectedRect.exactCenterX();
final float centerY = mSelectedRect.exactCenterY();
final long currTime = SystemClock.uptimeMillis();
MotionEvent down =
MotionEvent.obtain(currTime, currTime, MotionEvent.ACTION_DOWN, centerX, centerY, 0);
MotionEvent up =
MotionEvent.obtain(currTime, currTime, MotionEvent.ACTION_UP, centerX, centerY, 0);
super.dispatchTouchEvent(down);
super.dispatchTouchEvent(up);
}
/** Draw the progress spinner */
public void draw(Canvas c, Rect bounds) {
mCirclePaint.setColor(mBackgroundColor);
mCirclePaint.setAlpha(mAlpha);
c.drawCircle(bounds.exactCenterX(), bounds.exactCenterY(), bounds.width() / 2, mCirclePaint);
final RectF arcBounds = mTempBounds;
arcBounds.set(bounds);
arcBounds.inset(mStrokeInset, mStrokeInset);
final float startAngle = (mStartTrim + mRotation) * 360;
final float endAngle = (mEndTrim + mRotation) * 360;
float sweepAngle = endAngle - startAngle;
mArcPaint.setColor(mColors[mColorIndex]);
mArcPaint.setAlpha(mAlpha);
c.drawArc(arcBounds, startAngle, sweepAngle, false, mArcPaint);
drawTriangle(c, startAngle, sweepAngle, bounds);
}
private void drawLetter(Canvas canvas, float cx, float cy) {
mLetterPaint.setColor(mLetterColor);
mLetterPaint.setTextSize(spToPx(mLetterSize, context.getResources()));
if (mInitials) {
mLetterPaint.getTextBounds(
mLetter,
0,
mInitialsNumber > mLetter.length() ? mLetter.length() : mInitialsNumber,
textBounds);
} else {
mLetterPaint.getTextBounds(
mLetter,
0,
mLettersNumber > mLetter.length() ? mLetter.length() : mLettersNumber,
textBounds);
}
canvas.drawText(
mLetter, cx - textBounds.exactCenterX(), cy - textBounds.exactCenterY(), mLetterPaint);
}
@Override
public void draw(Canvas canvas) {
final Rect r = new Rect(getBounds());
if (canvas.getClipBounds(sTempRect) && !Rect.intersects(sTempRect, r)) {
// The draw region has been clipped.
return;
}
if (mIndicatorRectDirty) {
initIndicatorRect();
}
final float iconScale;
if ((mAnimationProgress >= ANIMATION_PROGRESS_STARTED)
&& (mAnimationProgress < ANIMATION_PROGRESS_COMPLETED)) {
mPaint.setAlpha((int) ((1 - mAnimationProgress) * 255));
mBgDrawable.setAlpha(mPaint.getAlpha());
mBgDrawable.draw(canvas);
canvas.drawOval(mIndicatorRect, mPaint);
iconScale = ICON_SCALE_FACTOR + (1 - ICON_SCALE_FACTOR) * mAnimationProgress;
} else if (mAnimationProgress == ANIMATION_PROGRESS_STOPPED) {
mPaint.setAlpha(255);
iconScale = ICON_SCALE_FACTOR;
mBgDrawable.setAlpha(255);
mBgDrawable.draw(canvas);
if (mProgress >= 100) {
canvas.drawOval(mIndicatorRect, mPaint);
} else if (mProgress > 0) {
canvas.drawArc(mIndicatorRect, -90, mProgress * 3.6f, false, mPaint);
}
} else {
iconScale = 1;
}
canvas.save();
canvas.scale(iconScale, iconScale, r.exactCenterX(), r.exactCenterY());
mIcon.draw(canvas);
canvas.restore();
}
/**
* Get the available 'crop' (zoom) rectangles for this camera.
*
* <p>When zoom is supported, this will return a list of {@code 1 + #getMaxZoom} size, where each
* crop rectangle corresponds to a zoom ratio (and is centered at the middle).
*
* <p>Each crop rectangle is changed to have the same aspect ratio as {@code streamSize}, by
* shrinking the rectangle if necessary.
*
* <p>To get the reported crop region when applying a zoom to the sensor, use {@code streamSize} =
* {@code activeArray size}.
*
* @param params non-{@code null} camera api1 parameters
* @param activeArray active array dimensions, in sensor space
* @param streamSize stream size dimensions, in pixels
* @return a list of available zoom rectangles, sorted from least zoomed to most zoomed
*/
private static List<Rect> getAvailableCropRectangles(
Camera.Parameters params, Rect activeArray, Size streamSize) {
checkNotNull(params, "params must not be null");
checkNotNull(activeArray, "activeArray must not be null");
checkNotNull(streamSize, "streamSize must not be null");
// TODO: change all uses of Rect activeArray to Size activeArray,
// since we want the crop to be active-array relative, not pixel-array relative
Rect unzoomedStreamCrop = getPreviewCropRectangleUnzoomed(activeArray, streamSize);
if (!params.isZoomSupported()) {
// Trivial case: No zoom -> only support the full size as the crop region
return new ArrayList<>(Arrays.asList(unzoomedStreamCrop));
}
List<Rect> zoomCropRectangles = new ArrayList<>(params.getMaxZoom() + 1);
Matrix scaleMatrix = new Matrix();
RectF scaledRect = new RectF();
for (int zoom : params.getZoomRatios()) {
float shrinkRatio = ZOOM_RATIO_MULTIPLIER * 1.0f / zoom; // normalize to 1.0 and smaller
// set scaledRect to unzoomedStreamCrop
ParamsUtils.convertRectF(unzoomedStreamCrop, /*out*/ scaledRect);
scaleMatrix.setScale(
shrinkRatio, shrinkRatio, activeArray.exactCenterX(), activeArray.exactCenterY());
scaleMatrix.mapRect(scaledRect);
Rect intRect = ParamsUtils.createRect(scaledRect);
// Round the rect corners towards the nearest integer values
zoomCropRectangles.add(intRect);
}
return zoomCropRectangles;
}
/**
* Calculate the effective crop rectangle for this preview viewport; assumes the preview is
* centered to the sensor and scaled to fit across one of the dimensions without skewing.
*
* <p>The preview size must be a subset of the active array size; the resulting rectangle will
* also be a subset of the active array rectangle.
*
* <p>The unzoomed crop rectangle is calculated only.
*
* @param activeArray active array dimensions, in sensor space
* @param previewSize size of the preview buffer render target, in pixels (not in sensor space)
* @return a rectangle which serves as the preview stream's effective crop region (unzoomed), in
* sensor space
* @throws NullPointerException if any of the args were {@code null}
* @throws IllegalArgumentException if {@code previewSize} is wider or taller than {@code
* activeArray}
*/
private static Rect getPreviewCropRectangleUnzoomed(Rect activeArray, Size previewSize) {
if (previewSize.getWidth() > activeArray.width()) {
throw new IllegalArgumentException("previewSize must not be wider than activeArray");
} else if (previewSize.getHeight() > activeArray.height()) {
throw new IllegalArgumentException("previewSize must not be taller than activeArray");
}
float aspectRatioArray = activeArray.width() * 1.0f / activeArray.height();
float aspectRatioPreview = previewSize.getWidth() * 1.0f / previewSize.getHeight();
float cropH, cropW;
if (Math.abs(aspectRatioPreview - aspectRatioArray) < ASPECT_RATIO_TOLERANCE) {
cropH = activeArray.height();
cropW = activeArray.width();
} else if (aspectRatioPreview < aspectRatioArray) {
// The new width must be smaller than the height, so scale the width by AR
cropH = activeArray.height();
cropW = cropH * aspectRatioPreview;
} else {
// The new height must be smaller (or equal) than the width, so scale the height by AR
cropW = activeArray.width();
cropH = cropW / aspectRatioPreview;
}
Matrix translateMatrix = new Matrix();
RectF cropRect = new RectF(/*left*/ 0, /*top*/ 0, cropW, cropH);
// Now center the crop rectangle so its center is in the center of the active array
translateMatrix.setTranslate(activeArray.exactCenterX(), activeArray.exactCenterY());
translateMatrix.postTranslate(-cropRect.centerX(), -cropRect.centerY());
translateMatrix.mapRect(/*inout*/ cropRect);
// Round the rect corners towards the nearest integer values
return ParamsUtils.createRect(cropRect);
}
@Override
protected void onBoundsChange(Rect bounds) {
mX = bounds.exactCenterX();
mY = bounds.exactCenterY();
mRadius = Math.min(bounds.width(), bounds.height()) / 2f;
}
private Intent createShortcutIntent(int position) {
String url = getUrl(position);
String title = getBookmarkTitle(position);
Bitmap touchIcon = getTouchIcon(position);
final Intent i = new Intent();
final Intent shortcutIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
long urlHash = url.hashCode();
long uniqueId = (urlHash << 32) | shortcutIntent.hashCode();
shortcutIntent.putExtra(Browser.EXTRA_APPLICATION_ID, Long.toString(uniqueId));
i.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
i.putExtra(Intent.EXTRA_SHORTCUT_NAME, title);
// Use the apple-touch-icon if available
if (touchIcon != null) {
// Make a copy so we can modify the pixels. We can't use
// createScaledBitmap or copy since they will preserve the config
// and lose the ability to add alpha.
Bitmap bm = Bitmap.createBitmap(mIconSize, mIconSize, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bm);
Rect src = new Rect(0, 0, touchIcon.getWidth(), touchIcon.getHeight());
Rect dest = new Rect(0, 0, bm.getWidth(), bm.getHeight());
// Paint used for scaling the bitmap and drawing the rounded rect.
Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
paint.setFilterBitmap(true);
canvas.drawBitmap(touchIcon, src, dest, 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(0, 0, bm.getWidth(), bm.getHeight());
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);
i.putExtra(Intent.EXTRA_SHORTCUT_ICON, bm);
} else {
Bitmap favicon = getFavicon(position);
if (favicon == null) {
i.putExtra(
Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
Intent.ShortcutIconResource.fromContext(
BrowserBookmarksPage.this, R.drawable.ic_launcher_shortcut_browser_bookmark));
} else {
Bitmap icon =
BitmapFactory.decodeResource(
getResources(), R.drawable.ic_launcher_shortcut_browser_bookmark_icon);
// Make a copy of the regular icon so we can modify the pixels.
Bitmap copy = icon.copy(Bitmap.Config.ARGB_8888, true);
Canvas canvas = new Canvas(copy);
// Make a Paint for the white background rectangle and for
// filtering the favicon.
Paint p = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
p.setStyle(Paint.Style.FILL_AND_STROKE);
p.setColor(Color.WHITE);
final float density = getResources().getDisplayMetrics().density;
// Create a rectangle that is slightly wider than the favicon
final float iconSize = 16 * density; // 16x16 favicon
final float padding = 2 * density; // white padding around icon
final float rectSize = iconSize + 2 * padding;
final Rect iconBounds = new Rect(0, 0, icon.getWidth(), icon.getHeight());
final float x = iconBounds.exactCenterX() - (rectSize / 2);
// Note: Subtract 2 dip from the y position since the box is
// slightly higher than center. Use padding since it is already
// 2 * density.
final float y = iconBounds.exactCenterY() - (rectSize / 2) - padding;
RectF r = new RectF(x, y, x + rectSize, y + rectSize);
// Draw a white rounded rectangle behind the favicon
canvas.drawRoundRect(r, 2, 2, p);
// Draw the favicon in the same rectangle as the rounded
// rectangle but inset by the padding
// (results in a 16x16 favicon).
r.inset(padding, padding);
canvas.drawBitmap(favicon, null, r, p);
i.putExtra(Intent.EXTRA_SHORTCUT_ICON, copy);
}
}
// Do not allow duplicate items
i.putExtra("duplicate", false);
return i;
}
@Override
protected void onDraw(Canvas canvas) {
Bitmap sweet = BitmapFactory.decodeResource(getResources(), R.drawable.sq);
canvas.drawColor(color.black);
canvas.drawBitmap(sweet, 0, 0, null);
Paint paint = new Paint();
// draw a red circle
paint.setColor(Color.RED);
canvas.drawCircle(20, 50, 25, paint);
// a blue circle with antialiasing turned on
paint.setAntiAlias(true);
paint.setColor(Color.BLUE);
canvas.drawCircle(60, 50, 25, paint);
// Now we wiil create some triangles.Create a Path object to store
// out triangle's segments. Use.offset to draw in many locations.
paint.setStyle(Paint.Style.FILL_AND_STROKE);
paint.setStrokeWidth(2);
paint.setColor(Color.GREEN);
Path path = new Path();
path.moveTo(4, -10);
path.lineTo(20, 0);
path.lineTo(-9, 0);
path.close();
path.offset(60, 40);
canvas.drawPath(path, paint);
path.offset(90, 100);
canvas.drawPath(path, paint);
path.offset(80, 150);
canvas.drawPath(path, paint);
// Now draw a text using FILL style:
paint.setStyle(Paint.Style.FILL);
paint.setAntiAlias(true);
paint.setTextSize(20);
canvas.drawText("Hello Android! Fill...", 50, 230, paint);
// rotate the text, and you can draw it where you want:
int x = 75;
int y = 185;
paint.setColor(Color.GRAY);
paint.setTextSize(25);
String rotatedtext = "Rotated hellowandroid:)";
// draw bounding rect befor rotating text:
Rect rect = new Rect();
paint.getTextBounds(rotatedtext, 0, rotatedtext.length(), rect);
canvas.translate(x, y);
paint.setStyle(Paint.Style.FILL);
canvas.drawText("Rotated helloandroid :)", 0, 0, paint);
paint.setStyle(Paint.Style.STROKE);
canvas.drawRect(rect, paint);
canvas.translate(-x, -y);
paint.setColor(Color.RED);
canvas.rotate(-45, x + rect.exactCenterX(), y + rect.exactCenterY());
paint.setStyle(Paint.Style.FILL);
canvas.drawText(rotatedtext, x, y, paint);
// draw a draw a thick dashed line in angle
DashPathEffect dashPath = new DashPathEffect(new float[] {10, 40}, 1);
paint.setPathEffect(dashPath);
paint.setStrokeWidth(8);
canvas.drawLine(0, 60, 320, 300, paint);
}
