/**
* Configures the necessary {@link Matrix} transformation to `mTextureView`. This method should be
* called after the camera preview size is determined in setUpCameraOutputs and also the size of
* `mTextureView` is fixed.
*
* @param viewWidth The width of `mTextureView`
* @param viewHeight The height of `mTextureView`
*/
private void configureTransform(int viewWidth, int viewHeight) {
Activity activity = getActivity();
if (null == mTextureView || null == mPreviewSize || null == activity) {
return;
}
int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
Matrix matrix = new Matrix();
RectF viewRect = new RectF(0, 0, viewWidth, viewHeight);
RectF bufferRect = new RectF(0, 0, mPreviewSize.getHeight(), mPreviewSize.getWidth());
float centerX = viewRect.centerX();
float centerY = viewRect.centerY();
if (Surface.ROTATION_90 == rotation || Surface.ROTATION_270 == rotation) {
bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY());
matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL);
float scale =
Math.max(
(float) viewHeight / mPreviewSize.getHeight(),
(float) viewWidth / mPreviewSize.getWidth());
matrix.postScale(scale, scale, centerX, centerY);
matrix.postRotate(90 * (rotation - 2), centerX, centerY);
} else if (Surface.ROTATION_180 == rotation) {
matrix.postRotate(180, centerX, centerY);
}
mTextureView.setTransform(matrix);
}
@Override
public void draw(Canvas canvas) {
mBounds.set(getBounds());
if (mMode == MODE_RATING) {
float arcAngle = mCurrentValue * 360f;
final float arcStart = -90f;
canvas.drawArc(mBounds, arcStart + arcAngle, 360f - arcAngle, true, mBackgroundArcPaint);
canvas.drawArc(mBounds, arcStart, arcAngle, true, mArcPaint);
} else if (mMode == MODE_PROMPT) {
canvas.drawCircle(
mBounds.centerX(),
mBounds.centerY(),
mBounds.height() * BACKGROUND_CIRCLE_RADIUS_RATIO,
mBackgroundArcPaint);
}
canvas.drawCircle(
mBounds.centerX(),
mBounds.centerY(),
mBounds.height() * FOREGROUND_CIRCLE_RADIUS_RATIO,
mForegroundCirclePaint);
if (mText != null) {
canvas.drawText(
mText,
mBounds.centerX() - (mTextWidth / 2f),
mBounds.centerY() + (mTextHeight / 2f),
mTextPaint);
}
}
@Override
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
int count = mPagesCount;
if (count == 0) {
return;
}
float cx = canvas.getWidth() >> 1;
float cy = canvas.getHeight() >> 1;
int totalCount = 2 * count - 1;
int halfCount = totalCount / 2;
float itemWithOffset = mIndicatorElementSize + mIndicatorElementSpacing;
float halfItemWithOffset = mIndicatorElementSize / 2 + mIndicatorElementSpacing;
float halfSize = mIndicatorElementSize / 2f;
float halfSpacing = mIndicatorElementSpacing / 2f;
float startX = cx - halfCount * (mIndicatorElementSize + mIndicatorElementSpacing);
float top = cy - halfSize;
float bottom = cy + halfSize;
// if we have odd elements - need to set indicators in center
if (totalCount % 2 != 0) {
startX -= halfSize + halfSpacing;
}
int i;
for (i = 0; i < totalCount; i++) {
// skip empty spaces
if (i % 2 != 0) {
continue;
}
float left = startX + (mIndicatorElementSize + mIndicatorElementSpacing) * i;
float right = left + mIndicatorElementSize;
mElementBounds.set(left, top, right, bottom);
mRenderer.draw(canvas, mElementBounds, mIndicatorPaint, false);
}
// multiply on 2 because there are spaces between elements
float activeItemOffset = (mSelectedPosition + mScrolledOffset) * 2;
float left = startX + (mIndicatorElementSize + mIndicatorElementSpacing) * activeItemOffset;
float right = left + mIndicatorElementSize;
mElementBounds.set(left, top, right, bottom);
canvas.clipRect(mClipBounds);
canvas.save();
canvas.rotate(ANGLE_360 * mScrolledOffset, mElementBounds.centerX(), mElementBounds.centerY());
mRenderer.draw(canvas, mElementBounds, mIndicatorSelectedPaint, true);
canvas.restore();
if (mIsInfiniteScroll && mSelectedPosition == mPagesCount - 1) { // isInfinite && isEnd
activeItemOffset = (1f - mScrolledOffset) * 2;
left = mClipBounds.left - itemWithOffset * activeItemOffset + halfItemWithOffset;
right = left + mIndicatorElementSize;
mElementBounds.set(left, top, right, bottom);
canvas.save();
canvas.rotate(
ANGLE_360 * mScrolledOffset, mElementBounds.centerX(), mElementBounds.centerY());
mRenderer.draw(canvas, mElementBounds, mIndicatorSelectedPaint, true);
canvas.restore();
}
}
void drawTestBox(Canvas cv, RectF r, float rot, String text) {
cv.save();
cv.translate(r.centerX(), r.centerY());
cv.rotate((float) (rot * 180 / Math.PI));
RectF rs = new RectF(-r.width() / 2, -r.height() / 2, r.width() / 2, r.height() / 2);
cv.drawRect(rs, paintIcon);
if (text != null) {
paintText.setTextSize(paintText.getTextSize() - 4);
cv.drawText(text, rs.centerX(), rs.centerY(), paintText);
paintText.setTextSize(paintText.getTextSize() + 4);
}
cv.restore();
}
private void computeGlyphPath() {
drawableArea.set(getBounds());
drawableArea.inset(padding, padding);
glyphPaint.getTextPath(glyph, 0, 1, 0, 0, glyphPath);
// Add an extra path point to fix the icon remaining blank on a Galaxy Note 2 running 4.1.2.
glyphPath.computeBounds(glyphPathBounds, false);
final float centerX = glyphPathBounds.centerX();
final float centerY = glyphPathBounds.centerY();
glyphPath.moveTo(centerX, centerY);
glyphPath.lineTo(centerX + 0.001f, centerY + 0.001f);
final float areaWidthF = (float) drawableArea.width();
final float areaHeightF = (float) drawableArea.height();
final float scaleX = areaWidthF / glyphPathBounds.width();
final float scaleY = areaHeightF / glyphPathBounds.height();
final float scaleFactor = Math.min(scaleX, scaleY);
glyphPathTransform.setScale(scaleFactor, scaleFactor);
glyphPath.transform(glyphPathTransform);
// TODO this two pass calculation irks me.
// It has to be possible to push this into a single Matrix transform; what makes it hard is
// that the origin of Text is not top-left, but baseline-left so need to account for that.
glyphPath.computeBounds(glyphPathBounds, false);
final float areaLeftF = (float) drawableArea.left;
final float areaTopF = (float) drawableArea.top;
float transX = areaLeftF - glyphPathBounds.left;
transX += 0.5f * Math.abs(areaWidthF - glyphPathBounds.width());
float transY = areaTopF - glyphPathBounds.top;
transY += 0.5f * Math.abs(areaHeightF - glyphPathBounds.height());
glyphPath.offset(transX, transY);
invalidateSelf();
}
@Override
public void draw(@NonNull Canvas canvas) {
super.draw(canvas);
float x =
(mDrawRect.width() - mThumbRadius * 2) * mThumbPosition + mDrawRect.left + mThumbRadius;
if (mIsRtl) x = 2 * mDrawRect.centerX() - x;
float y = mDrawRect.centerY();
getTrackPath(x, y, mThumbRadius);
mPaint.setColor(
ColorUtil.getMiddleColor(getTrackColor(false), getTrackColor(true), mThumbPosition));
mPaint.setStyle(Paint.Style.FILL);
canvas.drawPath(mTrackPath, mPaint);
if (mShadowSize > 0) {
int saveCount = canvas.save();
canvas.translate(x, y + mShadowOffset);
canvas.drawPath(mShadowPath, mShadowPaint);
canvas.restoreToCount(saveCount);
}
mPaint.setColor(
ColorUtil.getMiddleColor(getThumbColor(false), getThumbColor(true), mThumbPosition));
mPaint.setStyle(Paint.Style.FILL);
canvas.drawCircle(x, y, mThumbRadius, mPaint);
}
public void scale(float scale, boolean checkScale) {
Log.i(
TAG,
"Before setScale scale = "
+ scale
+ " getMaxScaleValue = "
+ getMaxScaleValue()
+ " getMinScaleValue = "
+ getMinScaleValue());
if (checkScale) {
float scaleValue = mCurrentScaleValue * scale;
// check max scale value
if (scale > 1) {
scale = scaleValue > getMaxScaleValue() ? 1f : scale;
}
// check minimal scale value
if (scale < 1) {
scale = scaleValue < getMinScaleValue() ? 1f : scale;
}
mCurrentScaleValue = mCurrentScaleValue * scale;
}
Log.i(TAG, "setScale mCurrentScaleValue = " + mCurrentScaleValue);
mAnimationMatrix.reset();
mAnimationMatrix.setScale(scale, scale, mRectF.centerX(), mRectF.centerY());
mAnimationMatrix.mapRect(mRectF);
setVetex(mRectF.left, mRectF.top, mRectF.right, mRectF.bottom);
mOriginalDistance =
(float)
Math.sqrt(
(centerX() - rightBottom[0]) * (centerX() - rightBottom[0])
+ (centerY() - rightBottom[1]) * (centerY() - rightBottom[1]));
Log.i(TAG, "After setScale scale = " + scale);
}
private void drawNeedle(Canvas canvas) {
RectF oval = getOval(canvas, 1);
float radius = oval.width() * 0.35f + 10;
RectF smallOval = getOval(canvas, 0.2f);
float angle = 10 + (float) (getSpeed() / getMaxSpeed() * 160);
canvas.drawLine(
(float)
(oval.centerX() + Math.cos((180 - angle) / 180 * Math.PI) * smallOval.width() * 0.5f),
(float) (oval.centerY() - Math.sin(angle / 180 * Math.PI) * smallOval.width() * 0.5f),
(float) (oval.centerX() + Math.cos((180 - angle) / 180 * Math.PI) * (radius)),
(float) (oval.centerY() - Math.sin(angle / 180 * Math.PI) * (radius)),
needlePaint);
canvas.drawArc(smallOval, 180, 180, true, backgroundPaint);
}
@Override
public void draw(Canvas canvas) {
canvas.drawRoundRect(mRectF, mRadius, mRadius, mBorderPaint);
Path path = new Path();
path.moveTo(mRectF.right - 2 * mOffsetY - mOffsetX, mRectF.bottom);
path.lineTo(mRectF.right - (2 * mOffsetY + mRadius) / 2 - mOffsetX, mRectF.bottom + mOffsetY);
path.lineTo(mRectF.right - mRadius - mOffsetX, mRectF.bottom);
float x = 0;
float y = mRectF.centerY();
String text = "One Piece";
float[] characterWidths = new float[text.length()];
int characterNum = mTextPaint.getTextWidths(text, characterWidths);
float textWidth = 0f;
for (int i = 0; i < characterNum; i++) {
textWidth += characterWidths[i];
}
canvas.save();
canvas.translate(mRectF.width() / 2 - textWidth / 2, 0);
canvas.drawText("one piece", x, y, mTextPaint);
canvas.restore();
canvas.drawPath(path, mBorderPaint);
}
/**
* Resizes rectangle to have a certain aspect ratio (center remains stationary).
*
* @param r rectangle to resize
* @param w new width aspect
* @param h new height aspect
*/
public static void fixAspectRatio(RectF r, float w, float h) {
float scale = Math.min(r.width() / w, r.height() / h);
float centX = r.centerX();
float centY = r.centerY();
float hw = scale * w / 2;
float hh = scale * h / 2;
r.set(centX - hw, centY - hh, centX + hw, centY + hh);
}
public void scaleToTranslateY(float scaleY) {
Log.i(TAG, "setScaleToTranslateY");
float[] rt = new float[] {rightTop[0], rightTop[1]};
mAnimationMatrix.reset();
mAnimationMatrix.setScale(1, scaleY, mRectF.centerX(), mRectF.centerY());
mAnimationMatrix.mapPoints(rt);
translate(0, rt[1] - rightTop[1], false);
}
@SuppressLint("ClickableViewAccessibility")
@Override
public boolean onTouch(View v, MotionEvent ev) {
boolean handled = false;
if (mZoomEnabled && hasDrawable((ImageView) v)) {
ViewParent parent = v.getParent();
switch (ev.getAction()) {
case ACTION_DOWN:
// First, disable the Parent from intercepting the touch
// event
if (null != parent) {
parent.requestDisallowInterceptTouchEvent(true);
} else {
LogManager.getLogger().i(LOG_TAG, "onTouch getParent() returned null");
}
// If we're flinging, and the user presses down, cancel
// fling
cancelFling();
break;
case ACTION_CANCEL:
case ACTION_UP:
// If the user has zoomed less than min scale, zoom back
// to min scale
if (getScale() < mMinScale) {
RectF rect = getDisplayRect();
if (null != rect) {
v.post(
new AnimatedZoomRunnable(getScale(), mMinScale, rect.centerX(), rect.centerY()));
handled = true;
}
}
break;
}
// Try the Scale/Drag detector
if (null != mScaleDragDetector) {
boolean wasScaling = mScaleDragDetector.isScaling();
boolean wasDragging = mScaleDragDetector.isDragging();
handled = mScaleDragDetector.onTouchEvent(ev);
boolean didntScale = !wasScaling && !mScaleDragDetector.isScaling();
boolean didntDrag = !wasDragging && !mScaleDragDetector.isDragging();
mBlockParentIntercept = didntScale && didntDrag;
}
// Check to see if the user double tapped
if (null != mGestureDetector && mGestureDetector.onTouchEvent(ev)) {
handled = true;
}
}
return handled;
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
measureRect();
if (mDragHandlerPaint == null) {
return;
}
if (mMarginPaint == null) {
return;
}
if (INNER_RECT) {
canvas.save();
canvas.drawLine(
mBitmapRectPoints[0],
mBitmapRectPoints[1],
mBitmapRectPoints[2],
mBitmapRectPoints[3],
mMarginPaint);
canvas.drawLine(
mBitmapRectPoints[4],
mBitmapRectPoints[5],
mBitmapRectPoints[6],
mBitmapRectPoints[7],
mMarginPaint);
canvas.drawLine(
mBitmapRectPoints[0],
mBitmapRectPoints[1],
mBitmapRectPoints[4],
mBitmapRectPoints[5],
mMarginPaint);
canvas.drawLine(
mBitmapRectPoints[2],
mBitmapRectPoints[3],
mBitmapRectPoints[6],
mBitmapRectPoints[7],
mMarginPaint);
canvas.drawCircle(mBitmapRectPoints[0], mBitmapRectPoints[1], mRadius, mDragHandlerPaint);
canvas.drawCircle(mBitmapRectPoints[2], mBitmapRectPoints[3], mRadius, mDragHandlerPaint);
canvas.drawCircle(mBitmapRectPoints[4], mBitmapRectPoints[5], mRadius, mDragHandlerPaint);
canvas.drawCircle(mBitmapRectPoints[6], mBitmapRectPoints[7], mRadius, mDragHandlerPaint);
canvas.restore();
} else {
canvas.save();
canvas.drawRect(mMarginRectF, mMarginPaint);
canvas.drawCircle(mMarginRectF.left, mMarginRectF.top, mRadius, mDragHandlerPaint);
canvas.drawCircle(mMarginRectF.right, mMarginRectF.top, mRadius, mDragHandlerPaint);
canvas.drawCircle(mMarginRectF.left, mMarginRectF.bottom, mRadius, mDragHandlerPaint);
canvas.drawCircle(mMarginRectF.right, mMarginRectF.bottom, mRadius, mDragHandlerPaint);
canvas.restore();
}
if (!(mDragPoint.x == INVALID_POINT && mDragPoint.y == INVALID_POINT)) {
canvas.save();
canvas.drawCircle(mMarginRectF.centerX(), mMarginRectF.centerY(), mRadius, mDragHandlerPaint);
canvas.restore();
}
}
/**
* Checks if a given point is within a rotated rectangle.
*
* @param point 2D point to check
* @param bound rectangle to rotate
* @param rot angle of rotation about rectangle center
* @return true if point is within rotated rectangle
*/
public static boolean pointInRotatedRect(float[] point, RectF bound, float rot) {
Matrix m = new Matrix();
float[] p = Arrays.copyOf(point, 2);
m.setRotate(rot, bound.centerX(), bound.centerY());
Matrix m0 = new Matrix();
if (!m.invert(m0)) return false;
m0.mapPoints(p);
return inclusiveContains(bound, p[0], p[1]);
}
@Override
public void onDraw(Canvas canvas) {
if (mDrawCircle) {
canvas.drawCircle(mAnimateFrom.centerX(), mAnimateFrom.centerY(), mRadius, mPaint);
} else if (mFill) {
canvas.drawPaint(mPaint);
}
super.onDraw(canvas);
}
@Override
public void onFaceDetection(Camera.Face[] faces, Camera camera) {
RectF rectf = new RectF();
for (Camera.Face face : faces) {
int centerX = face.rect.centerX();
int centerY = face.rect.centerY();
android.graphics.Matrix matrix = new android.graphics.Matrix();
// Width needs to be divided by 2 because the overlay is for both eyes:
prepareMatrix(matrix, false, mOverlayView.getWidth() / 2, mOverlayView.getHeight());
rectf.set(face.rect);
matrix.mapRect(rectf);
mOverlayView.show3DRect((int) rectf.centerX(), (int) rectf.centerY());
mOverlayView.show3DToast("Found face! x = " + rectf.centerX() + ", y = " + rectf.centerY());
}
}
private Path createRiverPath(RectF arcBounds) {
if (mRiverPath != null) {
return mRiverPath;
}
mRiverPath = new Path();
RectF rectF =
new RectF(
arcBounds.centerX() - mRiverWidth / 2.0f,
arcBounds.centerY() - mRiverHeight / 2.0f,
arcBounds.centerX() + mRiverWidth / 2.0f,
arcBounds.centerY() + mRiverHeight / 2.0f);
rectF.inset(mStrokeWidth / 2.0f, mStrokeWidth / 2.0f);
mRiverPath.addRect(rectF, Path.Direction.CW);
return mRiverPath;
}
@Override
protected void onDraw(Canvas canvas) {
if (mDisableCircularTransformation) {
super.onDraw(canvas);
return;
}
if (mBitmap == null) {
return;
}
if (mFillColor != Color.TRANSPARENT) {
canvas.drawCircle(
mDrawableRect.centerX(), mDrawableRect.centerY(), mDrawableRadius, mFillPaint);
}
canvas.drawCircle(
mDrawableRect.centerX(), mDrawableRect.centerY(), mDrawableRadius, mBitmapPaint);
if (mBorderWidth > 0) {
canvas.drawCircle(mBorderRect.centerX(), mBorderRect.centerY(), mBorderRadius, mBorderPaint);
}
}
/**
* Calculates the offset of the touch point from the precise location of the specified handle.<br>
* Save these values in a member variable since we want to maintain this offset as we drag the
* handle.
*/
private void calculateTouchOffset(RectF rect, float touchX, float touchY) {
float touchOffsetX = 0;
float touchOffsetY = 0;
// Calculate the offset from the appropriate handle.
switch (mType) {
case TOP_LEFT:
touchOffsetX = rect.left - touchX;
touchOffsetY = rect.top - touchY;
break;
case TOP_RIGHT:
touchOffsetX = rect.right - touchX;
touchOffsetY = rect.top - touchY;
break;
case BOTTOM_LEFT:
touchOffsetX = rect.left - touchX;
touchOffsetY = rect.bottom - touchY;
break;
case BOTTOM_RIGHT:
touchOffsetX = rect.right - touchX;
touchOffsetY = rect.bottom - touchY;
break;
case LEFT:
touchOffsetX = rect.left - touchX;
touchOffsetY = 0;
break;
case TOP:
touchOffsetX = 0;
touchOffsetY = rect.top - touchY;
break;
case RIGHT:
touchOffsetX = rect.right - touchX;
touchOffsetY = 0;
break;
case BOTTOM:
touchOffsetX = 0;
touchOffsetY = rect.bottom - touchY;
break;
case CENTER:
touchOffsetX = rect.centerX() - touchX;
touchOffsetY = rect.centerY() - touchY;
break;
default:
break;
}
mTouchOffset.x = touchOffsetX;
mTouchOffset.y = touchOffsetY;
}
private void checkMinScale() {
DraweeView<GenericDraweeHierarchy> draweeView = getDraweeView();
if (draweeView == null) {
return;
}
if (getScale() < mMinScale) {
RectF rect = getDisplayRect();
if (null != rect) {
draweeView.post(
new AnimatedZoomRunnable(getScale(), mMinScale, rect.centerX(), rect.centerY()));
}
}
}
@Override
public final boolean onTouch(View v, MotionEvent ev) {
boolean handled = false;
if (mZoomEnabled && hasDrawable((ImageView) v)) {
ViewParent parent = v.getParent();
switch (ev.getAction()) {
case ACTION_DOWN:
// First, disable the Parent from intercepting the touch
// event
if (null != parent) parent.requestDisallowInterceptTouchEvent(true);
else Log.i(LOG_TAG, "onTouch getParent() returned null");
// If we're flinging, and the user presses down, cancel
// fling
cancelFling();
break;
case ACTION_CANCEL:
case ACTION_UP:
// If the user has zoomed less than min scale, zoom back
// to min scale
if (getScale() < mMinScale) {
RectF rect = getDisplayRect();
if (null != rect) {
v.post(
new AnimatedZoomRunnable(getScale(), mMinScale, rect.centerX(), rect.centerY()));
handled = true;
}
}
break;
}
// Check to see if the user double tapped
if (null != mGestureDetector && mGestureDetector.onTouchEvent(ev)) {
handled = true;
}
if (!handled && null != parent) {
parent.requestDisallowInterceptTouchEvent(false);
}
// Finally, try the Scale/Drag detector
if (null != mScaleDragDetector && mScaleDragDetector.onTouchEvent(ev)) {
handled = true;
}
}
return handled;
}
@Override
public int compare(final PageTreeNode node1, final PageTreeNode node2) {
final int cp = viewState.currentIndex;
final int viewIndex1 = node1.page.index.viewIndex;
final int viewIndex2 = node2.page.index.viewIndex;
final boolean v1 = viewState.isNodeVisible(node1, viewState.getBounds(node1.page));
final boolean v2 = viewState.isNodeVisible(node2, viewState.getBounds(node2.page));
final RectF s1 = node1.pageSliceBounds;
final RectF s2 = node2.pageSliceBounds;
int res = 0;
if (viewIndex1 == cp && viewIndex2 == cp) {
res = CompareUtils.compare(s1.top, s2.top);
if (res == 0) {
res = CompareUtils.compare(s1.left, s2.left);
}
} else if (v1 && !v2) {
res = -1;
} else if (!v1 && v2) {
res = 1;
} else {
final float d1 = viewIndex1 + s1.centerY() - (cp + 0.5f);
final float d2 = viewIndex2 + s2.centerY() - (cp + 0.5f);
final int dist1 = Math.abs((int) (d1 * node1.childrenZoomThreshold));
final int dist2 = Math.abs((int) (d2 * node2.childrenZoomThreshold));
res = CompareUtils.compare(dist1, dist2);
if (res == 0) {
res = -CompareUtils.compare(viewIndex1, viewIndex2);
}
}
return res;
}
private void drawSlowIndicator(float startAngle, Canvas canvas) {
Paint circlePaint = new Paint();
circlePaint.setAntiAlias(true);
circlePaint.setColor(Color.parseColor("#A8D7A7"));
circlePaint.setStrokeWidth(7);
circlePaint.setStyle(Paint.Style.STROKE);
canvas.drawPath(getArcPath(), circlePaint);
int restoreCount = canvas.save();
canvas.translate(rectF.centerX(), rectF.centerY());
circlePaint.setStyle(Paint.Style.FILL);
canvas.drawPath(getBallPath(startAngle + 90), circlePaint);
canvas.drawPath(getBallPath(startAngle + 90 + 30 + 90), circlePaint);
canvas.drawPath(getBallPath(startAngle + 90 + 30 + 90 + 30 + 90), circlePaint);
canvas.restoreToCount(restoreCount);
}
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);
}
/**
* Resizes rectangle to have a certain aspect ratio (center remains stationary) while constraining
* it to remain within the original rect.
*
* @param r rectangle to resize
* @param w new width aspect
* @param h new height aspect
*/
public static void fixAspectRatioContained(RectF r, float w, float h) {
float origW = r.width();
float origH = r.height();
float origA = origW / origH;
float a = w / h;
float finalW = origW;
float finalH = origH;
if (origA < a) {
finalH = origW / a;
r.top = r.centerY() - finalH / 2;
r.bottom = r.top + finalH;
} else {
finalW = origH * a;
r.left = r.centerX() - finalW / 2;
r.right = r.left + finalW;
}
}
@SuppressLint("ClickableViewAccessibility")
@Override
public boolean onTouch(View v, MotionEvent ev) {
boolean handled = false;
if (mZoomEnabled && hasDrawable((ImageView) v)) {
getViewParentsFromImageView(v);
switch (ev.getAction()) {
case ACTION_DOWN:
// First, disable the Parent from intercepting the touch
// event
setParentDisallowInterceptTouchEvent(true);
// If we're flinging, and the user presses down, cancel
// fling
cancelFling();
break;
case ACTION_CANCEL:
case ACTION_UP:
// If the user has zoomed less than min scale, zoom back
// to min scale
if (getScale() < mMinScale) {
RectF rect = getDisplayRect();
if (null != rect) {
v.post(
new AnimatedZoomRunnable(getScale(), mMinScale, rect.centerX(), rect.centerY()));
handled = true;
}
}
break;
}
// Try the Scale/Drag detector
if (null != mScaleDragDetector && mScaleDragDetector.onTouchEvent(ev)) {
handled = true;
}
// Check to see if the user double tapped
if (null != mGestureDetector && mGestureDetector.onTouchEvent(ev)) {
handled = true;
}
}
return handled;
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
if (angleChanged) {
final RectF layoutRect = tempRectF1;
final RectF layoutRectRotated = tempRectF2;
layoutRect.set(0, 0, r - l, b - t);
rotateMatrix.setRotate(angle, layoutRect.centerX(), layoutRect.centerY());
rotateMatrix.mapRect(layoutRectRotated, layoutRect);
layoutRectRotated.round(viewRectRotated);
angleChanged = false;
}
final View view = getView();
if (view != null) {
view.layout(
viewRectRotated.left, viewRectRotated.top, viewRectRotated.right, viewRectRotated.bottom);
}
}
@Override
public final boolean onTouch(View v, MotionEvent ev) {
boolean handled = false;
if (isZoomEnabled) {
switch (ev.getAction()) {
case MotionEvent.ACTION_DOWN:
// First, disable the Parent from intercepting the touch
// event
if (v.getParent() != null) {
v.getParent().requestDisallowInterceptTouchEvent(true);
}
// If we're flinging, and the user presses down, cancel
// fling
if (currentFlingRunnable != null) {
currentFlingRunnable.cancelFling();
currentFlingRunnable = null;
}
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
// If the user has zoomed less than min scale, zoom back
// to min scale
if (getScale() < minScale) {
RectF rect = getDisplayRect();
if (null != rect) {
v.post(
new AnimatedZoomRunnable(getScale(), minScale, rect.centerX(), rect.centerY()));
handled = true;
}
}
break;
}
// Finally, try the scale/drag/tap detector
if ((multiGestureDetector != null) && multiGestureDetector.onTouchEvent(ev)) {
handled = true;
}
}
return handled;
}
@Override
public void onFaceDetection(Camera.Face[] faces, Camera camera) {
Log.v("FaceDetection", "face detected: " + faces.length);
for (int i = 0; i < faces.length; i++) {
if (faces[0].score > 10) {
RectF rect = new RectF(faces[i].rect);
Log.i(
"FaceDetection",
" Face " + i + " Location X: " + rect.centerX() + "Y: " + rect.centerY());
// Need mirror for front camera.
matrix.setScale(-1, 1);
matrix.postRotate(displayRotation);
matrix.postScale(surfaceView.getWidth() / 2000f, surfaceView.getHeight() / 2000f);
matrix.postTranslate(surfaceView.getWidth() / 2f, surfaceView.getHeight() / 2f);
matrix.mapRect(rect);
drawFocusRect(rect, Color.GREEN);
}
}
}
private void drawSeekbar(Canvas canvas, float startAngle) {
Paint circlePaint = new Paint();
circlePaint.setAntiAlias(true);
circlePaint.setColor(Color.parseColor("#FF4444"));
circlePaint.setStrokeWidth(7);
circlePaint.setStyle(Paint.Style.STROKE);
Path path = new Path();
path.addArc(rectF, 0, startAngle);
canvas.drawPath(path, circlePaint);
int restoreCount = canvas.save();
canvas.translate(rectF.centerX(), rectF.centerY());
circlePaint.setStyle(Paint.Style.FILL);
canvas.drawPath(getBallPath(startAngle), circlePaint);
canvas.restoreToCount(restoreCount);
}
