Example usage for android.graphics Canvas drawCircle

List of usage examples for android.graphics Canvas drawCircle

Introduction

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

Prototype

public void drawCircle(float cx, float cy, float radius, @NonNull Paint paint) 

Source Link

Document

Draw the specified circle using the specified paint.

Usage

From source file:com.bolaa.medical.view.banner.CirclePageIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if (mViewPager == null) {
        return;/* w  ww  . j ava  2s  .com*/
    }
    final int count = mViewPager.getAdapter().getCount();
    if (count == 0) {
        return;
    }

    if (mCurrentPage >= count) {
        setCurrentItem(count - 1);
        return;
    }

    int longSize;
    int longPaddingBefore;
    int longPaddingAfter;
    int shortPaddingBefore;
    if (mOrientation == HORIZONTAL) {
        longSize = getWidth();
        longPaddingBefore = getPaddingLeft();
        longPaddingAfter = getPaddingRight();
        shortPaddingBefore = getPaddingTop();
    } else {
        longSize = getHeight();
        longPaddingBefore = getPaddingTop();
        longPaddingAfter = getPaddingBottom();
        shortPaddingBefore = getPaddingLeft();
    }

    final float threeRadius = mRadius * 3;
    final float shortOffset = shortPaddingBefore + mRadius;
    float longOffset = longPaddingBefore + mRadius;
    int longPaddingRight = count * 15;
    if (mRight) {
        //todo  1?   2??Indicator
        longOffset += ((longSize - longPaddingBefore - (longPaddingAfter + longPaddingRight)))
                - ((count * threeRadius) / 2.0f);
    } else {
        longOffset += ((longSize - longPaddingBefore - longPaddingAfter) / 2.0f)
                - ((count * threeRadius) / 2.0f);
    }

    float dX;
    float dY;

    float pageFillRadius = mRadius + 1;
    //        if (mPaintStroke.getStrokeWidth() > 0) {
    //            pageFillRadius -= mPaintStroke.getStrokeWidth() / 2.0f;
    //        }

    //Draw stroked circle
    for (int iLoop = 0; iLoop < count; iLoop++) {
        float drawLong = longOffset + (iLoop * threeRadius);
        if (mOrientation == HORIZONTAL) {
            dX = drawLong;
            dY = shortOffset;
        } else {
            dX = shortOffset;
            dY = drawLong;
        }
        // Only paint fill if not completely transparent
        if (mPaintPageFill.getAlpha() > 0 && isNeedCircle) {
            //                canvas.drawRect(dX, dY, dX + mRadius, dY + mRadius, mPaintPageFill);
            canvas.drawCircle(dX, dY, pageFillRadius, mPaintPageFill);
        }

        // Only paint stroke if a stroke width was non-zero
        if (pageFillRadius != mRadius && isNeedCircle) {
            //                canvas.drawRect(dX, dY, dX + mRadius, dY + mRadius, mPaintStroke);
            canvas.drawCircle(dX, dY, mRadius, mPaintStroke);
        }
    }

    //Draw the filled rect according to the current scroll
    float cx = (mSnap ? mSnapPage : mCurrentPage) * threeRadius;
    if (!mSnap && (mPageSize != 0)) {
        cx += (mCurrentOffset * 1.0f / mPageSize) * threeRadius;
    }
    if (mOrientation == HORIZONTAL) {
        dX = longOffset + cx;
        dY = shortOffset;
    } else {
        dX = shortOffset;
        dY = longOffset + cx;
    }
    //        canvas.drawRect(dX, dY, dX + mRadius, dY + mRadius, mPaintFill);

    if (isNeedCircle) {
        canvas.drawCircle(dX, dY, mRadius, mPaintFill);
    }
}

From source file:com.bestdo.bestdoStadiums.control.view.CirclePageIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (mViewPager == null) {
        return;/*  w w  w  .j  a  va  2s  .c o  m*/
    }
    final int count = mViewPager.getAdapter().getCount();
    if (count == 0) {
        return;
    }

    // if (mCurrentPage >= count) {
    // setCurrentItem(count - 1);
    // return;
    // }

    int longSize;
    int longPaddingBefore;
    int longPaddingAfter;
    int shortPaddingBefore;
    if (mOrientation == HORIZONTAL) {
        longSize = getWidth();
        longPaddingBefore = getPaddingLeft();
        longPaddingAfter = getPaddingRight();
        shortPaddingBefore = getPaddingTop();
    } else {
        longSize = getHeight();
        longPaddingBefore = getPaddingTop();
        longPaddingAfter = getPaddingBottom();
        shortPaddingBefore = getPaddingLeft();
    }

    final float threeRadius = mRadius * 3;
    final float shortOffset = shortPaddingBefore + mRadius;
    float longOffset = longPaddingBefore + mRadius;
    if (mCentered) {
        longOffset += ((longSize - longPaddingBefore - longPaddingAfter) / 2.0f)
                - ((count * threeRadius) / 2.0f);
    }

    /**
     * ??
     */
    if (rightStatus) {
        int width = ConfigUtils.getInstance().getPhoneWidHeigth(context).widthPixels;
        System.err.println(width + "||||||||||||||||||");
        System.err.println(longOffset + "||||||||||||||||||");
        longOffset = width * 0.25f - ((count * threeRadius));
        if (longOffset < 0) {
            longOffset = 2;
        }

        System.err.println(longOffset + "||||||||||||||||||");
    }
    float dX;
    float dY;

    float pageFillRadius = mRadius;
    if (mPaintStroke.getStrokeWidth() > 0) {
        pageFillRadius -= mPaintStroke.getStrokeWidth() / 2.0f;
    }

    // Draw stroked circles
    for (int iLoop = 0; iLoop < count; iLoop++) {
        float drawLong = longOffset + (iLoop * threeRadius);
        if (mOrientation == HORIZONTAL) {
            dX = drawLong;
            dY = shortOffset;
        } else {
            dX = shortOffset;
            dY = drawLong;
        }
        // Only paint fill if not completely transparent
        if (mPaintPageFill.getAlpha() > 0) {
            canvas.drawCircle(dX, dY, pageFillRadius, mPaintPageFill);
        }

        // Only paint stroke if a stroke width was non-zero
        if (pageFillRadius != mRadius) {
            canvas.drawCircle(dX, dY, mRadius, mPaintStroke);
        }
    }

    // Draw the filled circle according to the current scroll
    float cx = (mSnap ? mSnapPage : (mCurrentPage % mViewPager.getAdapter().getCount())) * threeRadius;
    if (!mSnap) {
        cx += mPageOffset * threeRadius;
    }
    if (mOrientation == HORIZONTAL) {
        dX = longOffset + cx;
        dY = shortOffset;
    } else {
        dX = shortOffset;
        dY = longOffset + cx;
    }
    canvas.drawCircle(dX, dY, mRadius, mPaintFill);
}

From source file:com.example.anumbrella.viewpager.CirclePagerIndicator.java

/**
 * /*from   w w w.j  ava 2s  . c o  m*/
 *
 * @param canvas
 */
@Override
public void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if (mViewPager == null) {
        return;
    }

    final int count = mViewPager.getAdapter().getCount();
    if (count == 0) {
        return;
    }

    if (mCurrentPage >= count) {
        setCurrentItem(count - 1);
        return;
    }

    //
    int longSize;
    //?padding
    int longPaddingBefore;
    //?padding
    int longPaddingAfter;
    //?padding
    int shortPaddingBefore;
    if (mOrientation == HORIZONTAL) {
        longSize = getWidth();
        longPaddingBefore = getPaddingLeft();
        longPaddingAfter = getPaddingRight();
        shortPaddingBefore = getPaddingTop();
    } else {
        longSize = getHeight();
        longPaddingBefore = getPaddingTop();
        longPaddingAfter = getPaddingBottom();
        shortPaddingBefore = getPaddingLeft();
    }

    //?????
    final float threeRadius = mRadius * 3;
    //????(horizontal???,vertical????)
    final float shortOffset = shortPaddingBefore + mRadius;
    //????
    float longOffset = longPaddingAfter + mRadius;
    if (mCentered) {
        longOffset += ((longSize - longPaddingBefore - longPaddingAfter) / 2.0f)
                - ((count * threeRadius) / 2.0f);
    }
    //x,y??
    float dx;
    float dy;
    //???
    float pageFillRadius = mRadius;
    if (mPaintStroke.getStrokeWidth() > 0) {
        pageFillRadius -= mPaintStroke.getStrokeWidth() / 2.0f;
    }
    //
    for (int iLoop = 0; iLoop < count; iLoop++) {
        float drawLong = longOffset + (iLoop * threeRadius);
        if (mOrientation == HORIZONTAL) {
            dx = drawLong;
            dy = shortOffset;
        } else {
            dx = shortOffset;
            dy = drawLong;
        }
        //???0
        if (mPaintPageFill.getAlpha() > 0) {
            canvas.drawCircle(dx, dy, pageFillRadius, mPaintPageFill);
        }
        //???
        if (pageFillRadius != mRadius) {
            canvas.drawCircle(dx, dy, mRadius, mPaintStroke);
        }
    }
    //?
    float cx = (mSnap ? mSnapPage : mCurrentPage) * threeRadius;
    if (!mSnap) {
        cx += mPositionOffset * threeRadius;
    }

    if (mOrientation == HORIZONTAL) {
        dx = longOffset + cx;
        dy = shortOffset;
    } else {
        dx = shortOffset;
        dy = longOffset + cx;
    }
    canvas.drawCircle(dx, dy, mRadius, mPaintFill);
}

From source file:org.telegram.ui.Components.ChatAttachAlert.java

public ChatAttachAlert(Context context, final ChatActivity parentFragment) {
    super(context, false);
    baseFragment = parentFragment;/* w w w .ja  va2 s.c o m*/
    setDelegate(this);
    setUseRevealAnimation(true);
    checkCamera(false);
    if (deviceHasGoodCamera) {
        CameraController.getInstance().initCamera();
    }
    NotificationCenter.getInstance().addObserver(this, NotificationCenter.albumsDidLoaded);
    NotificationCenter.getInstance().addObserver(this, NotificationCenter.reloadInlineHints);
    NotificationCenter.getInstance().addObserver(this, NotificationCenter.cameraInitied);
    shadowDrawable = context.getResources().getDrawable(R.drawable.sheet_shadow);

    containerView = listView = new RecyclerListView(context) {

        private int lastWidth;
        private int lastHeight;

        @Override
        public void requestLayout() {
            if (ignoreLayout) {
                return;
            }
            super.requestLayout();
        }

        @Override
        public boolean onInterceptTouchEvent(MotionEvent ev) {
            if (cameraAnimationInProgress) {
                return true;
            } else if (cameraOpened) {
                return processTouchEvent(ev);
            } else if (ev.getAction() == MotionEvent.ACTION_DOWN && scrollOffsetY != 0
                    && ev.getY() < scrollOffsetY) {
                dismiss();
                return true;
            }
            return super.onInterceptTouchEvent(ev);
        }

        @Override
        public boolean onTouchEvent(MotionEvent event) {
            if (cameraAnimationInProgress) {
                return true;
            } else if (cameraOpened) {
                return processTouchEvent(event);
            }
            return !isDismissed() && super.onTouchEvent(event);
        }

        @Override
        protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
            int height = MeasureSpec.getSize(heightMeasureSpec);
            if (Build.VERSION.SDK_INT >= 21) {
                height -= AndroidUtilities.statusBarHeight;
            }
            int contentSize = backgroundPaddingTop + AndroidUtilities.dp(294)
                    + (SearchQuery.inlineBots.isEmpty() ? 0
                            : ((int) Math.ceil(SearchQuery.inlineBots.size() / 4.0f) * AndroidUtilities.dp(100)
                                    + AndroidUtilities.dp(12)));
            int padding = contentSize == AndroidUtilities.dp(294) ? 0
                    : Math.max(0, (height - AndroidUtilities.dp(294)));
            if (padding != 0 && contentSize < height) {
                padding -= (height - contentSize);
            }
            if (padding == 0) {
                padding = backgroundPaddingTop;
            }
            if (getPaddingTop() != padding) {
                ignoreLayout = true;
                setPadding(backgroundPaddingLeft, padding, backgroundPaddingLeft, 0);
                ignoreLayout = false;
            }
            super.onMeasure(widthMeasureSpec,
                    MeasureSpec.makeMeasureSpec(Math.min(contentSize, height), MeasureSpec.EXACTLY));
        }

        @Override
        protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
            int width = right - left;
            int height = bottom - top;

            int newPosition = -1;
            int newTop = 0;

            int count = listView.getChildCount();
            int lastVisibleItemPosition = -1;
            int lastVisibleItemPositionTop = 0;
            if (count > 0) {
                View child = listView.getChildAt(listView.getChildCount() - 1);
                Holder holder = (Holder) listView.findContainingViewHolder(child);
                if (holder != null) {
                    lastVisibleItemPosition = holder.getAdapterPosition();
                    lastVisibleItemPositionTop = child.getTop();
                }
            }

            if (lastVisibleItemPosition >= 0 && height - lastHeight != 0) {
                newPosition = lastVisibleItemPosition;
                newTop = lastVisibleItemPositionTop + height - lastHeight - getPaddingTop();
            }

            super.onLayout(changed, left, top, right, bottom);

            if (newPosition != -1) {
                ignoreLayout = true;
                layoutManager.scrollToPositionWithOffset(newPosition, newTop);
                super.onLayout(false, left, top, right, bottom);
                ignoreLayout = false;
            }

            lastHeight = height;
            lastWidth = width;

            updateLayout();
            checkCameraViewPosition();
        }

        @Override
        public void onDraw(Canvas canvas) {
            if (useRevealAnimation && Build.VERSION.SDK_INT <= 19) {
                canvas.save();
                canvas.clipRect(backgroundPaddingLeft, scrollOffsetY,
                        getMeasuredWidth() - backgroundPaddingLeft, getMeasuredHeight());
                if (revealAnimationInProgress) {
                    canvas.drawCircle(revealX, revealY, revealRadius, ciclePaint);
                } else {
                    canvas.drawRect(backgroundPaddingLeft, scrollOffsetY,
                            getMeasuredWidth() - backgroundPaddingLeft, getMeasuredHeight(), ciclePaint);
                }
                canvas.restore();
            } else {
                shadowDrawable.setBounds(0, scrollOffsetY - backgroundPaddingTop, getMeasuredWidth(),
                        getMeasuredHeight());
                shadowDrawable.draw(canvas);
            }
        }

        @Override
        public void setTranslationY(float translationY) {
            super.setTranslationY(translationY);
            checkCameraViewPosition();
        }
    };

    listView.setWillNotDraw(false);
    listView.setClipToPadding(false);
    listView.setLayoutManager(layoutManager = new LinearLayoutManager(getContext()));
    layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
    listView.setAdapter(adapter = new ListAdapter(context));
    listView.setVerticalScrollBarEnabled(false);
    listView.setEnabled(true);
    listView.setGlowColor(0xfff5f6f7);
    listView.addItemDecoration(new RecyclerView.ItemDecoration() {
        @Override
        public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
            outRect.left = 0;
            outRect.right = 0;
            outRect.top = 0;
            outRect.bottom = 0;
        }
    });

    listView.setOnScrollListener(new RecyclerView.OnScrollListener() {
        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            if (listView.getChildCount() <= 0) {
                return;
            }
            if (hintShowed) {
                if (layoutManager.findLastVisibleItemPosition() > 1) {
                    hideHint();
                    hintShowed = false;
                    ApplicationLoader.applicationContext
                            .getSharedPreferences("mainconfig", Activity.MODE_PRIVATE).edit()
                            .putBoolean("bothint", true).commit();
                }
            }
            updateLayout();
            checkCameraViewPosition();
        }
    });
    containerView.setPadding(backgroundPaddingLeft, 0, backgroundPaddingLeft, 0);

    attachView = new FrameLayout(context) {
        @Override
        protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
            super.onMeasure(widthMeasureSpec,
                    MeasureSpec.makeMeasureSpec(AndroidUtilities.dp(294), MeasureSpec.EXACTLY));
        }

        @Override
        protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
            int width = right - left;
            int height = bottom - top;
            int t = AndroidUtilities.dp(8);
            attachPhotoRecyclerView.layout(0, t, width, t + attachPhotoRecyclerView.getMeasuredHeight());
            progressView.layout(0, t, width, t + progressView.getMeasuredHeight());
            lineView.layout(0, AndroidUtilities.dp(96), width,
                    AndroidUtilities.dp(96) + lineView.getMeasuredHeight());
            hintTextView.layout(width - hintTextView.getMeasuredWidth() - AndroidUtilities.dp(5),
                    height - hintTextView.getMeasuredHeight() - AndroidUtilities.dp(5),
                    width - AndroidUtilities.dp(5), height - AndroidUtilities.dp(5));

            int diff = (width - AndroidUtilities.dp(85 * 4 + 20)) / 3;
            for (int a = 0; a < 8; a++) {
                int y = AndroidUtilities.dp(105 + 95 * (a / 4));
                int x = AndroidUtilities.dp(10) + (a % 4) * (AndroidUtilities.dp(85) + diff);
                views[a].layout(x, y, x + views[a].getMeasuredWidth(), y + views[a].getMeasuredHeight());
            }
        }
    };

    views[8] = attachPhotoRecyclerView = new RecyclerListView(context);
    attachPhotoRecyclerView.setVerticalScrollBarEnabled(true);
    attachPhotoRecyclerView.setAdapter(photoAttachAdapter = new PhotoAttachAdapter(context));
    attachPhotoRecyclerView.setClipToPadding(false);
    attachPhotoRecyclerView.setPadding(AndroidUtilities.dp(8), 0, AndroidUtilities.dp(8), 0);
    attachPhotoRecyclerView.setItemAnimator(null);
    attachPhotoRecyclerView.setLayoutAnimation(null);
    attachPhotoRecyclerView.setOverScrollMode(RecyclerListView.OVER_SCROLL_NEVER);
    attachView.addView(attachPhotoRecyclerView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 80));
    attachPhotoLayoutManager = new LinearLayoutManager(context) {
        @Override
        public boolean supportsPredictiveItemAnimations() {
            return false;
        }
    };
    attachPhotoLayoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);
    attachPhotoRecyclerView.setLayoutManager(attachPhotoLayoutManager);
    attachPhotoRecyclerView.setOnItemClickListener(new RecyclerListView.OnItemClickListener() {
        @SuppressWarnings("unchecked")
        @Override
        public void onItemClick(View view, int position) {
            if (baseFragment == null || baseFragment.getParentActivity() == null) {
                return;
            }
            if (!deviceHasGoodCamera || position != 0) {
                if (deviceHasGoodCamera) {
                    position--;
                }
                if (MediaController.allPhotosAlbumEntry == null) {
                    return;
                }
                ArrayList<Object> arrayList = (ArrayList) MediaController.allPhotosAlbumEntry.photos;
                if (position < 0 || position >= arrayList.size()) {
                    return;
                }
                PhotoViewer.getInstance().setParentActivity(baseFragment.getParentActivity());
                PhotoViewer.getInstance().openPhotoForSelect(arrayList, position, 0, ChatAttachAlert.this,
                        baseFragment);
                AndroidUtilities.hideKeyboard(baseFragment.getFragmentView().findFocus());
            } else {
                openCamera();
            }
        }
    });
    attachPhotoRecyclerView.setOnScrollListener(new RecyclerView.OnScrollListener() {
        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            checkCameraViewPosition();
        }
    });

    views[9] = progressView = new EmptyTextProgressView(context);
    if (Build.VERSION.SDK_INT >= 23 && getContext().checkSelfPermission(
            Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
        progressView.setText(LocaleController.getString("PermissionStorage", R.string.PermissionStorage));
        progressView.setTextSize(16);
    } else {
        progressView.setText(LocaleController.getString("NoPhotos", R.string.NoPhotos));
        progressView.setTextSize(20);
    }
    attachView.addView(progressView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 80));
    attachPhotoRecyclerView.setEmptyView(progressView);

    views[10] = lineView = new View(getContext()) {
        @Override
        public boolean hasOverlappingRendering() {
            return false;
        }
    };
    lineView.setBackgroundColor(ContextCompat.getColor(context, R.color.divider));
    attachView.addView(lineView,
            new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 1, Gravity.TOP | Gravity.LEFT));
    CharSequence[] items = new CharSequence[] { LocaleController.getString("ChatCamera", R.string.ChatCamera),
            LocaleController.getString("ChatGallery", R.string.ChatGallery),
            LocaleController.getString("ChatVideo", R.string.ChatVideo),
            LocaleController.getString("AttachMusic", R.string.AttachMusic),
            LocaleController.getString("ChatDocument", R.string.ChatDocument),
            LocaleController.getString("AttachContact", R.string.AttachContact),
            LocaleController.getString("ChatLocation", R.string.ChatLocation), "" };
    for (int a = 0; a < 8; a++) {
        AttachButton attachButton = new AttachButton(context);
        attachButton.setTextAndIcon(items[a], Theme.attachButtonDrawables[a]);
        attachView.addView(attachButton, LayoutHelper.createFrame(85, 90, Gravity.LEFT | Gravity.TOP));
        attachButton.setTag(a);
        views[a] = attachButton;
        if (a == 7) {
            sendPhotosButton = attachButton;
            sendPhotosButton.imageView.setPadding(0, AndroidUtilities.dp(4), 0, 0);
        }
        attachButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                delegate.didPressedButton((Integer) v.getTag());
            }
        });
    }

    hintTextView = new TextView(context);
    hintTextView.setBackgroundResource(R.drawable.tooltip);
    hintTextView.setTextColor(Theme.CHAT_GIF_HINT_TEXT_COLOR);
    hintTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 14);
    hintTextView.setPadding(AndroidUtilities.dp(10), 0, AndroidUtilities.dp(10), 0);
    hintTextView.setText(LocaleController.getString("AttachBotsHelp", R.string.AttachBotsHelp));
    hintTextView.setGravity(Gravity.CENTER_VERTICAL);
    hintTextView.setVisibility(View.INVISIBLE);
    hintTextView.setCompoundDrawablesWithIntrinsicBounds(R.drawable.scroll_tip, 0, 0, 0);
    hintTextView.setCompoundDrawablePadding(AndroidUtilities.dp(8));
    attachView.addView(hintTextView, LayoutHelper.createFrame(LayoutHelper.WRAP_CONTENT, 32,
            Gravity.RIGHT | Gravity.BOTTOM, 5, 0, 5, 5));

    for (int a = 0; a < 8; a++) {
        viewsCache.add(photoAttachAdapter.createHolder());
    }

    if (loading) {
        progressView.showProgress();
    } else {
        progressView.showTextView();
    }

    if (Build.VERSION.SDK_INT >= 16) {
        recordTime = new TextView(context);
        recordTime.setBackgroundResource(R.drawable.system);
        recordTime.getBackground()
                .setColorFilter(new PorterDuffColorFilter(0x66000000, PorterDuff.Mode.MULTIPLY));
        recordTime.setText("00:00");
        recordTime.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 15);
        recordTime.setTypeface(AndroidUtilities.getTypeface("fonts/rmedium.ttf"));
        recordTime.setAlpha(0.0f);
        recordTime.setTextColor(0xffffffff);
        recordTime.setPadding(AndroidUtilities.dp(10), AndroidUtilities.dp(5), AndroidUtilities.dp(10),
                AndroidUtilities.dp(5));
        container.addView(recordTime, LayoutHelper.createFrame(LayoutHelper.WRAP_CONTENT,
                LayoutHelper.WRAP_CONTENT, Gravity.CENTER_HORIZONTAL | Gravity.TOP, 0, 16, 0, 0));

        cameraPanel = new FrameLayout(context) {
            @Override
            protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
                int cx = getMeasuredWidth() / 2;
                int cy = getMeasuredHeight() / 2;
                int cx2;
                int cy2;
                shutterButton.layout(cx - shutterButton.getMeasuredWidth() / 2,
                        cy - shutterButton.getMeasuredHeight() / 2, cx + shutterButton.getMeasuredWidth() / 2,
                        cy + shutterButton.getMeasuredHeight() / 2);
                if (getMeasuredWidth() == AndroidUtilities.dp(100)) {
                    cx = cx2 = getMeasuredWidth() / 2;
                    cy2 = cy + cy / 2 + AndroidUtilities.dp(17);
                    cy = cy / 2 - AndroidUtilities.dp(17);
                } else {
                    cx2 = cx + cx / 2 + AndroidUtilities.dp(17);
                    cx = cx / 2 - AndroidUtilities.dp(17);
                    cy = cy2 = getMeasuredHeight() / 2;
                }
                switchCameraButton.layout(cx2 - switchCameraButton.getMeasuredWidth() / 2,
                        cy2 - switchCameraButton.getMeasuredHeight() / 2,
                        cx2 + switchCameraButton.getMeasuredWidth() / 2,
                        cy2 + switchCameraButton.getMeasuredHeight() / 2);
                for (int a = 0; a < 2; a++) {
                    flashModeButton[a].layout(cx - flashModeButton[a].getMeasuredWidth() / 2,
                            cy - flashModeButton[a].getMeasuredHeight() / 2,
                            cx + flashModeButton[a].getMeasuredWidth() / 2,
                            cy + flashModeButton[a].getMeasuredHeight() / 2);
                }
            }
        };
        cameraPanel.setVisibility(View.GONE);
        cameraPanel.setAlpha(0.0f);
        container.addView(cameraPanel,
                LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 100, Gravity.LEFT | Gravity.BOTTOM));

        shutterButton = new ShutterButton(context);
        cameraPanel.addView(shutterButton, LayoutHelper.createFrame(84, 84, Gravity.CENTER));
        shutterButton.setDelegate(new ShutterButton.ShutterButtonDelegate() {
            @Override
            public void shutterLongPressed() {
                if (takingPhoto || baseFragment == null || baseFragment.getParentActivity() == null) {
                    return;
                }
                if (Build.VERSION.SDK_INT >= 23) {
                    if (baseFragment.getParentActivity().checkSelfPermission(
                            Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
                        baseFragment.getParentActivity()
                                .requestPermissions(new String[] { Manifest.permission.RECORD_AUDIO }, 21);
                        return;
                    }
                }
                for (int a = 0; a < 2; a++) {
                    flashModeButton[a].setAlpha(0.0f);
                }
                switchCameraButton.setAlpha(0.0f);
                cameraFile = AndroidUtilities.generateVideoPath();
                recordTime.setAlpha(1.0f);
                recordTime.setText("00:00");
                videoRecordTime = 0;
                videoRecordRunnable = new Runnable() {
                    @Override
                    public void run() {
                        if (videoRecordRunnable == null) {
                            return;
                        }
                        videoRecordTime++;
                        recordTime.setText(
                                String.format("%02d:%02d", videoRecordTime / 60, videoRecordTime % 60));
                        AndroidUtilities.runOnUIThread(videoRecordRunnable, 1000);
                    }
                };
                AndroidUtilities.lockOrientation(parentFragment.getParentActivity());
                CameraController.getInstance().recordVideo(cameraView.getCameraSession(), cameraFile,
                        new CameraController.VideoTakeCallback() {
                            @Override
                            public void onFinishVideoRecording(final Bitmap thumb) {
                                if (cameraFile == null || baseFragment == null) {
                                    return;
                                }
                                PhotoViewer.getInstance().setParentActivity(baseFragment.getParentActivity());
                                cameraPhoto = new ArrayList<>();
                                cameraPhoto.add(new MediaController.PhotoEntry(0, 0, 0,
                                        cameraFile.getAbsolutePath(), 0, true));
                                PhotoViewer.getInstance().openPhotoForSelect(cameraPhoto, 0, 2,
                                        new PhotoViewer.EmptyPhotoViewerProvider() {
                                            @Override
                                            public Bitmap getThumbForPhoto(MessageObject messageObject,
                                                    TLRPC.FileLocation fileLocation, int index) {
                                                return thumb;
                                            }

                                            @TargetApi(16)
                                            @Override
                                            public boolean cancelButtonPressed() {
                                                if (cameraOpened && cameraView != null && cameraFile != null) {
                                                    cameraFile.delete();
                                                    AndroidUtilities.runOnUIThread(new Runnable() {
                                                        @Override
                                                        public void run() {
                                                            if (cameraView != null && !isDismissed()
                                                                    && Build.VERSION.SDK_INT >= 21) {
                                                                cameraView.setSystemUiVisibility(
                                                                        View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                                                                                | View.SYSTEM_UI_FLAG_FULLSCREEN);
                                                            }
                                                        }
                                                    }, 1000);
                                                    CameraController.getInstance()
                                                            .startPreview(cameraView.getCameraSession());
                                                    cameraFile = null;
                                                }
                                                return true;
                                            }

                                            @Override
                                            public void sendButtonPressed(int index) {
                                                if (cameraFile == null) {
                                                    return;
                                                }
                                                AndroidUtilities
                                                        .addMediaToGallery(cameraFile.getAbsolutePath());
                                                baseFragment.sendMedia(
                                                        (MediaController.PhotoEntry) cameraPhoto.get(0),
                                                        PhotoViewer.getInstance().isMuteVideo());
                                                closeCamera(false);
                                                dismiss();
                                                cameraFile = null;
                                            }
                                        }, baseFragment);
                            }
                        });
                AndroidUtilities.runOnUIThread(videoRecordRunnable, 1000);
                shutterButton.setState(ShutterButton.State.RECORDING, true);
            }

            @Override
            public void shutterCancel() {
                cameraFile.delete();
                resetRecordState();
                CameraController.getInstance().stopVideoRecording(cameraView.getCameraSession(), true);
            }

            @Override
            public void shutterReleased() {
                if (takingPhoto) {
                    return;
                }
                if (shutterButton.getState() == ShutterButton.State.RECORDING) {
                    resetRecordState();
                    CameraController.getInstance().stopVideoRecording(cameraView.getCameraSession(), false);
                    shutterButton.setState(ShutterButton.State.DEFAULT, true);
                    return;
                }
                cameraFile = AndroidUtilities.generatePicturePath();
                takingPhoto = CameraController.getInstance().takePicture(cameraFile,
                        cameraView.getCameraSession(), new Runnable() {
                            @Override
                            public void run() {
                                takingPhoto = false;
                                if (cameraFile == null || baseFragment == null) {
                                    return;
                                }
                                PhotoViewer.getInstance().setParentActivity(baseFragment.getParentActivity());
                                cameraPhoto = new ArrayList<>();
                                int orientation = 0;
                                try {
                                    ExifInterface ei = new ExifInterface(cameraFile.getAbsolutePath());
                                    int exif = ei.getAttributeInt(ExifInterface.TAG_ORIENTATION,
                                            ExifInterface.ORIENTATION_NORMAL);
                                    switch (exif) {
                                    case ExifInterface.ORIENTATION_ROTATE_90:
                                        orientation = 90;
                                        break;
                                    case ExifInterface.ORIENTATION_ROTATE_180:
                                        orientation = 180;
                                        break;
                                    case ExifInterface.ORIENTATION_ROTATE_270:
                                        orientation = 270;
                                        break;
                                    }
                                } catch (Exception e) {
                                    FileLog.e("tmessages", e);
                                }
                                cameraPhoto.add(new MediaController.PhotoEntry(0, 0, 0,
                                        cameraFile.getAbsolutePath(), orientation, false));
                                PhotoViewer.getInstance().openPhotoForSelect(cameraPhoto, 0, 2,
                                        new PhotoViewer.EmptyPhotoViewerProvider() {
                                            @TargetApi(16)
                                            @Override
                                            public boolean cancelButtonPressed() {
                                                if (cameraOpened && cameraView != null && cameraFile != null) {
                                                    cameraFile.delete();
                                                    AndroidUtilities.runOnUIThread(new Runnable() {
                                                        @Override
                                                        public void run() {
                                                            if (cameraView != null && !isDismissed()
                                                                    && Build.VERSION.SDK_INT >= 21) {
                                                                cameraView.setSystemUiVisibility(
                                                                        View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                                                                                | View.SYSTEM_UI_FLAG_FULLSCREEN);
                                                            }
                                                        }
                                                    }, 1000);
                                                    CameraController.getInstance()
                                                            .startPreview(cameraView.getCameraSession());
                                                    cameraFile = null;
                                                }
                                                return true;
                                            }

                                            @Override
                                            public void sendButtonPressed(int index) {
                                                if (cameraFile == null) {
                                                    return;
                                                }
                                                AndroidUtilities
                                                        .addMediaToGallery(cameraFile.getAbsolutePath());
                                                baseFragment.sendMedia(
                                                        (MediaController.PhotoEntry) cameraPhoto.get(0), false);
                                                closeCamera(false);
                                                dismiss();
                                                cameraFile = null;
                                            }

                                            @Override
                                            public boolean scaleToFill() {
                                                return true;
                                            }
                                        }, baseFragment);
                            }
                        });
            }
        });

        switchCameraButton = new ImageView(context);
        switchCameraButton.setScaleType(ImageView.ScaleType.CENTER);
        cameraPanel.addView(switchCameraButton,
                LayoutHelper.createFrame(48, 48, Gravity.RIGHT | Gravity.CENTER_VERTICAL));
        switchCameraButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (takingPhoto || cameraView == null || !cameraView.isInitied()) {
                    return;
                }
                cameraInitied = false;
                cameraView.switchCamera();
                ObjectAnimator animator = ObjectAnimator.ofFloat(switchCameraButton, "scaleX", 0.0f)
                        .setDuration(100);
                animator.addListener(new AnimatorListenerAdapterProxy() {
                    @Override
                    public void onAnimationEnd(Animator animator) {
                        switchCameraButton.setImageResource(cameraView.isFrontface() ? R.drawable.camera_revert1
                                : R.drawable.camera_revert2);
                        ObjectAnimator.ofFloat(switchCameraButton, "scaleX", 1.0f).setDuration(100).start();
                    }
                });
                animator.start();
            }
        });

        for (int a = 0; a < 2; a++) {
            flashModeButton[a] = new ImageView(context);
            flashModeButton[a].setScaleType(ImageView.ScaleType.CENTER);
            flashModeButton[a].setVisibility(View.INVISIBLE);
            cameraPanel.addView(flashModeButton[a],
                    LayoutHelper.createFrame(48, 48, Gravity.LEFT | Gravity.TOP));
            flashModeButton[a].setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(final View currentImage) {
                    if (flashAnimationInProgress || cameraView == null || !cameraView.isInitied()
                            || !cameraOpened) {
                        return;
                    }
                    String current = cameraView.getCameraSession().getCurrentFlashMode();
                    String next = cameraView.getCameraSession().getNextFlashMode();
                    if (current.equals(next)) {
                        return;
                    }
                    cameraView.getCameraSession().setCurrentFlashMode(next);
                    flashAnimationInProgress = true;
                    ImageView nextImage = flashModeButton[0] == currentImage ? flashModeButton[1]
                            : flashModeButton[0];
                    nextImage.setVisibility(View.VISIBLE);
                    setCameraFlashModeIcon(nextImage, next);
                    AnimatorSet animatorSet = new AnimatorSet();
                    animatorSet.playTogether(
                            ObjectAnimator.ofFloat(currentImage, "translationY", 0, AndroidUtilities.dp(48)),
                            ObjectAnimator.ofFloat(nextImage, "translationY", -AndroidUtilities.dp(48), 0),
                            ObjectAnimator.ofFloat(currentImage, "alpha", 1.0f, 0.0f),
                            ObjectAnimator.ofFloat(nextImage, "alpha", 0.0f, 1.0f));
                    animatorSet.setDuration(200);
                    animatorSet.addListener(new AnimatorListenerAdapterProxy() {
                        @Override
                        public void onAnimationEnd(Animator animator) {
                            flashAnimationInProgress = false;
                            currentImage.setVisibility(View.INVISIBLE);
                        }
                    });
                    animatorSet.start();
                }
            });
        }
    }
}

From source file:com.bannisha.yelian.customview.CirclePageIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if (mViewPager == null) {
        return;//  ww  w.  j a va2  s. c o  m
    }
    final int count = mViewPager.getAdapter().getCount();
    if (count == 0) {
        return;
    }

    if (mCurrentPage >= count) {
        setCurrentItem(count - 1);
        return;
    }

    int imageLongSize = 0;
    int imageShortSize = 0;

    int longSize;
    int longPaddingBefore;
    int longPaddingAfter;
    int shortSize;
    int shortPaddingBefore;
    if (mOrientation == HORIZONTAL) {
        if (flag) {
            imageLongSize = imageBitmap.getWidth();
            imageShortSize = imageBitmap.getHeight();
        }

        longSize = getWidth();
        shortSize = getHeight();
        longPaddingBefore = getPaddingLeft();
        longPaddingAfter = getPaddingRight();
        shortPaddingBefore = getPaddingTop();
    } else {
        if (flag) {
            imageShortSize = imageBitmap.getWidth();
            imageLongSize = imageBitmap.getHeight();
        }

        longSize = getHeight();
        shortSize = getWidth();
        longPaddingBefore = getPaddingTop();
        longPaddingAfter = getPaddingBottom();
        shortPaddingBefore = getPaddingLeft();
    }

    float shortOffset = 0;
    if (flag) {
        shortOffset = (shortSize - imageShortSize) / 2;
        if (rd == 0) {
            mRadius = imageLongSize * 2;
        } else {
            mRadius = rd;
        }
    } else {
        shortOffset = shortPaddingBefore + mRadius;
    }

    float threeRadius = mRadius * 3;
    float longOffset = longPaddingBefore + mRadius;
    if (mCentered) {
        longOffset += ((longSize - longPaddingBefore - longPaddingAfter) / 2.0f)
                - ((count * threeRadius) / 2.0f);
    }

    float dX;
    float dY;

    float pageFillRadius = mRadius;
    if (mPaintStroke.getStrokeWidth() > 0) {
        pageFillRadius -= mPaintStroke.getStrokeWidth() / 2.0f;
    }

    // Draw stroked circles
    for (int iLoop = 0; iLoop < count; iLoop++) {
        float drawLong = longOffset + (iLoop * threeRadius);
        if (mOrientation == HORIZONTAL) {
            dX = drawLong;
            dY = shortOffset;
        } else {
            dX = shortOffset;
            dY = drawLong;
        }
        // Only paint fill if not completely transparent
        if (mPaintPageFill.getAlpha() > 0) {
            if (flag) {
                canvas.drawBitmap(imageBitmap, dX, dY, mPaintPageFill);
            } else {
                canvas.drawCircle(dX, dY, pageFillRadius, mPaintPageFill);
            }
        }

        // Only paint stroke if a stroke width was non-zero
        if (pageFillRadius != mRadius) {
            if (flag) {
                canvas.drawBitmap(imageBitmap, dX, dY, mPaintStroke);
            } else {
                canvas.drawCircle(dX, dY, mRadius, mPaintStroke);
            }
        }
    }

    // Draw the filled circle according to the current scroll
    float cx = (mSnap ? mSnapPage : mCurrentPage) * threeRadius;
    if (!mSnap) {
        cx += mPageOffset * threeRadius;
    }
    if (mOrientation == HORIZONTAL) {
        dX = longOffset + cx;
        dY = shortOffset;
    } else {
        dX = shortOffset;
        dY = longOffset + cx;
    }
    if (flag) {
        canvas.drawBitmap(currentImageBitmap, dX, dY, mPaintFill);
    } else {
        canvas.drawCircle(dX, dY, mRadius, mPaintFill);
    }
}

From source file:com.pt.treasuretrash.indicator.CirclePageIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if (mViewPager == null) {
        return;/*from  www.j  a  va2s .  com*/
    }
    final int count = mViewPager.getAdapter().getCount();
    if (count == 0) {
        return;
    }

    if (mCurrentPage >= count) {
        setCurrentItem(count - 1);
        return;
    }

    int longSize;
    int longPaddingBefore;
    int longPaddingAfter;
    int shortPaddingBefore;
    if (mOrientation == HORIZONTAL) {
        longSize = getWidth();
        longPaddingBefore = getPaddingLeft();
        longPaddingAfter = getPaddingRight();
        shortPaddingBefore = getPaddingTop();
    } else {
        longSize = getHeight();
        longPaddingBefore = getPaddingTop();
        longPaddingAfter = getPaddingBottom();
        shortPaddingBefore = getPaddingLeft();
    }

    final float threeRadius = mRadius * mDotDistance;// set distance between
    // dot
    final float shortOffset = shortPaddingBefore + mRadius;
    float longOffset = longPaddingBefore + mRadius;
    if (mCentered) {
        longOffset += ((longSize - longPaddingBefore - longPaddingAfter) / 2.0f)
                - ((count * threeRadius) / 2.0f);
    }

    float dX;
    float dY;

    float pageFillRadius = mRadius;
    if (mPaintStroke.getStrokeWidth() > 0) {
        pageFillRadius -= mPaintStroke.getStrokeWidth() / 2.0f;
    }

    // Draw stroked circles
    for (int iLoop = 0; iLoop < count; iLoop++) {
        float drawLong = longOffset + (iLoop * threeRadius);
        if (mOrientation == HORIZONTAL) {
            dX = drawLong;
            // dY = shortOffset; /*commented out by console23*/
            dY = (mCentered == true ? (this.getHeight() / 2) : shortOffset); /*
                                                                             * added
                                                                             * by
                                                                             * console23
                                                                             */
        } else {
            // dX = shortOffset; /*commented out by console23*/
            dX = (mCentered == true ? (this.getWidth() / 2) : shortOffset); /*
                                                                            * added
                                                                            * by
                                                                            * console23
                                                                            */
            dY = drawLong;
        }
        // Only paint fill if not completely transparent
        if (mPaintPageFill.getAlpha() > 0) {
            canvas.drawCircle(dX, dY, pageFillRadius, mPaintPageFill);
        }

        // Only paint stroke if a stroke width was non-zero
        if (pageFillRadius != mRadius) {
            canvas.drawCircle(dX, dY, mRadius, mPaintStroke);
        }
    }

    // Draw the filled circle according to the current scroll
    float cx = (mSnap ? mSnapPage : mCurrentPage) * threeRadius;
    if (!mSnap) {
        cx += mPageOffset * threeRadius;
    }
    if (mOrientation == HORIZONTAL) {
        dX = longOffset + cx;
        // dY = shortOffset; /*commented out by console23*/
        dY = (mCentered == true ? (this.getHeight() / 2) : shortOffset); /*
                                                                         * added
                                                                         * by
                                                                         * console23
                                                                         */
    } else {
        // dX = shortOffset; /*commented out by console23*/
        dX = (mCentered == true ? (this.getWidth() / 2) : shortOffset); /*
                                                                        * added
                                                                        * by
                                                                        * console23
                                                                        */
        dY = longOffset + cx;
    }
    canvas.drawCircle(dX, dY, mRadius, mPaintFill);
}

From source file:me.test.zxing.ViewfinderView.java

@SuppressLint("DrawAllocation")
@Override//  w w w  .  j  a  v a 2 s .  c om
public void onDraw(Canvas canvas) {
    if (cameraManager == null) {
        return; // not ready yet, early draw before done configuring
    }
    Rect frame = cameraManager.getFramingRect();
    Rect previewFrame = cameraManager.getFramingRectInPreview();
    if (frame == null || previewFrame == null) {
        return;
    }
    int width = canvas.getWidth();
    int height = canvas.getHeight();

    if (!isFirst) {
        isFirst = true;
        slideTop = frame.top;
    }

    //    // Draw the exterior (i.e. outside the framing rect) darkened
    paint.setColor(resultBitmap != null ? resultColor : maskColor);
    canvas.drawRect(0, 0, width, frame.top, paint);
    canvas.drawRect(0, frame.top, frame.left, frame.bottom + 1, paint);
    canvas.drawRect(frame.right + 1, frame.top, width, frame.bottom + 1, paint);
    canvas.drawRect(0, frame.bottom + 1, width, height, paint);

    if (resultBitmap != null) {
        // Draw the opaque result bitmap over the scanning rectangle
        paint.setAlpha(CURRENT_POINT_OPACITY);
        canvas.drawBitmap(resultBitmap, null, frame, paint);
    } else {

        //
        paint.setColor(ContextCompat.getColor(getContext(), android.R.color.holo_green_dark));
        //
        canvas.drawRect(frame.left, frame.top, frame.left + 50, frame.top + 10, paint);
        canvas.drawRect(frame.left, frame.top, frame.left + 10, frame.top + 50, paint);
        //?
        canvas.drawRect(frame.right - 50, frame.top, frame.right, frame.top + 10, paint);
        canvas.drawRect(frame.right - 10, frame.top, frame.right, frame.top + 50, paint);
        //
        canvas.drawRect(frame.left, frame.bottom - 10, frame.left + 50, frame.bottom, paint);
        canvas.drawRect(frame.left, frame.bottom - 50, frame.left + 10, frame.bottom, paint);
        //?
        canvas.drawRect(frame.right - 50, frame.bottom - 10, frame.right, frame.bottom, paint);
        canvas.drawRect(frame.right - 10, frame.bottom - 50, frame.right, frame.bottom, paint);

        //,??SPEEN_DISTANCE
        slideTop += 5;
        if (slideTop >= frame.bottom) {
            slideTop = frame.top;
        }
        canvas.drawRect(frame.left + 5, slideTop - 6 / 2, frame.right - 5, slideTop + 6 / 2, paint);
        float scaleX = frame.width() / (float) previewFrame.width();
        float scaleY = frame.height() / (float) previewFrame.height();

        List<ResultPoint> currentPossible = possibleResultPoints;
        List<ResultPoint> currentLast = lastPossibleResultPoints;
        int frameLeft = frame.left;
        int frameTop = frame.top;
        if (currentPossible.isEmpty()) {
            lastPossibleResultPoints = null;
        } else {
            possibleResultPoints = new ArrayList<>(5);
            lastPossibleResultPoints = currentPossible;
            paint.setAlpha(CURRENT_POINT_OPACITY);
            paint.setColor(resultPointColor);
            synchronized (currentPossible) {
                for (ResultPoint point : currentPossible) {
                    canvas.drawCircle(frameLeft + (int) (point.getX() * scaleX),
                            frameTop + (int) (point.getY() * scaleY), POINT_SIZE, paint);
                }
            }
        }
        if (currentLast != null) {
            paint.setAlpha(CURRENT_POINT_OPACITY / 2);
            paint.setColor(resultPointColor);
            synchronized (currentLast) {
                float radius = POINT_SIZE / 2.0f;
                for (ResultPoint point : currentLast) {
                    canvas.drawCircle(frameLeft + (int) (point.getX() * scaleX),
                            frameTop + (int) (point.getY() * scaleY), radius, paint);
                }
            }
        }

        // Request another update at the animation interval, but only repaint the laser line,
        // not the entire viewfinder mask.
        postInvalidateDelayed(ANIMATION_DELAY, frame.left - POINT_SIZE, frame.top - POINT_SIZE,
                frame.right + POINT_SIZE, frame.bottom + POINT_SIZE);
    }
}

From source file:com.example.SmartBoard.DrawingView.java

public void onDrawCircle(Canvas canvas) {
    Paint paint = drawPaint;//from ww  w .j  av a2s . c o m
    if (points[3] == null) //point4 null when user did not touch and move on screen.
        return;
    int left, top, right, bottom;
    left = points[0].x;
    top = points[0].y;
    right = points[0].x;
    bottom = points[0].y;
    for (int i = 1; i < points.length; i++) {
        left = left > points[i].x ? points[i].x : left;
        top = top > points[i].y ? points[i].y : top;
        right = right < points[i].x ? points[i].x : right;
        bottom = bottom < points[i].y ? points[i].y : bottom;
    }

    float cx = (left + right) / 2f;
    float cy = (top + bottom) / 2f;
    float radius = (float) Math.hypot(top - bottom, right - left) / 2f;

    //draw stroke
    paint.setStyle(Paint.Style.STROKE);
    // paint.setColor(Color.parseColor("#AADB1255"));
    paint.setStrokeWidth(5);

    if (finished) {

        JSONObject objectProperties = new JSONObject();
        String key = UUID.randomUUID().toString();

        try {
            objectProperties.put("id", key);
            objectProperties.put("type", "Circle");
            objectProperties.put("color", drawPaint.getColor());
            objectProperties.put("size", 5);
            objectProperties.put("clientId", client.getClientId());
            objectProperties.put("radius", radius);
            objectProperties.put("x", cx);
            objectProperties.put("y", cy);

        } catch (JSONException e) {

        }

        objectDrawables.put(key, objectProperties);

        //  drawCanvas.drawCircle(cx, cy, radius, paint);

        //   drawCanvas.save();
        //  mqtt.publishRectangle(objectProperties);
        mqtt.publishCircle(objectProperties);

        //reset to start drawing again
        points = new Point[4];
        colorballs.clear();
        return;

    }

    canvas.drawCircle(cx, cy, radius, paint);
    // draw the balls on the canvas
    //  paint.setColor(Color.BLUE);
    paint.setTextSize(18);
    paint.setStrokeWidth(0);
    // paint.setColor(Color.BLUE);
    for (int i = 0; i < colorballs.size(); i++) {
        ColorBall ball = colorballs.get(i);
        canvas.drawBitmap(ball.getBitmap(), ball.getX(), ball.getY(), paint);

        canvas.drawText("" + (i + 1), ball.getX(), ball.getY(), paint);
    }
}

From source file:pt.carlos.alex.rosario.ContasRosario.java

@Override
protected void onDraw(final Canvas canvas) {
    super.onDraw(canvas);

    if (mViewPager == null) {
        return;/*from  ww  w .  j  a v a2 s .c  o m*/
    }
    final int count = mViewPager.getAdapter().getCount();
    if (count == 0) {
        return;
    }

    if (mCurrentPage >= count) {
        setCurrentItem(count - 1);
        return;
    }

    int longSize;
    int longPaddingBefore;
    int longPaddingAfter;
    int shortPaddingBefore;
    if (mOrientation == HORIZONTAL) {
        longSize = getWidth();
        longPaddingBefore = getPaddingLeft();
        longPaddingAfter = getPaddingRight();
        shortPaddingBefore = getPaddingTop();
    } else {
        longSize = getHeight();
        longPaddingBefore = getPaddingTop();
        longPaddingAfter = getPaddingBottom();
        shortPaddingBefore = getPaddingLeft();
    }

    final float threeRadius = mRadius * 3;
    final float shortOffset = shortPaddingBefore + mRadius;
    float longOffset = longPaddingBefore + mRadius;
    if (mCentered) {
        longOffset += ((longSize - longPaddingBefore - longPaddingAfter) / 2.0f)
                - ((count * threeRadius) / 2.0f);
    }

    float dX;
    float dY;

    float pageFillRadius = mRadius;
    if (mPaintStroke.getStrokeWidth() > 0) {
        pageFillRadius -= mPaintStroke.getStrokeWidth() / 2.0f;
    }

    //Draw stroked circles
    for (int iLoop = 0; iLoop < count; iLoop++) {
        float drawLong = longOffset + (iLoop * threeRadius);
        if (mOrientation == HORIZONTAL) {
            dX = drawLong;
            dY = shortOffset;
        } else {
            dX = shortOffset;
            dY = drawLong;
        }
        // Only paint fill if not completely transparent
        if (mPaintPageFill.getAlpha() > 0) {

            //               iEvangelo.setColor(getResources().getColor(R.color.ics_yellow);
            //               
            //               switch (iLoop) {
            //               case 0:
            //                  iPaintPageFill.setColor(); // Texto meditativo (Evangelho)
            //                  break;
            //               case 1:
            //                  iPaintPageFill.setColor(R.color.ics_green); // Pai Nosso
            //                  break;
            //               case 12:
            //                  iPaintPageFill.setColor(getResources().getColor(R.color.ics_bold_yellow)); // Glria
            //                  break;
            //               case 13:
            //                  iPaintPageFill.setColor(R.color.ics_violet); // Jaculatria
            //                  break;
            //               default:
            //                  iPaintPageFill.setColor(mPaintPageFill.getColor());
            //               }

            iPaintPageFill.setColor(coresContas.get(iLoop));

            canvas.drawCircle(dX, dY, pageFillRadius, iPaintPageFill);
            //               canvas.drawCircle(dX, dY, pageFillRadius, mPaintPageFill);
        }

        // Only paint stroke if a stroke width was non-zero
        if (pageFillRadius != mRadius) {
            canvas.drawCircle(dX, dY, mRadius, mPaintStroke);
        }
    }

    //Draw the filled circle according to the current scroll
    float cx = (mSnap ? mSnapPage : mCurrentPage) * threeRadius;
    if (!mSnap) {
        cx += mPageOffset * threeRadius;
    }
    if (mOrientation == HORIZONTAL) {
        dX = longOffset + cx;
        dY = shortOffset;
    } else {
        dX = shortOffset;
        dY = longOffset + cx;
    }
    canvas.drawCircle(dX, dY, mRadius, mPaintFill);
}

From source file:com.example.SmartBoard.DrawingView.java

@Override
protected void onDraw(Canvas canvas) {

    drawCanvas.drawPath(drawPath, drawPaint);
    drawCanvas.drawPath(drawPathRecv, drawPaintSender);

    if (rectMode) {
        //draw rectangle
        drawPaint.setXfermode(null);//  ww  w .j av  a 2  s . c om
        onDrawRectangle(canvas);
    } else if (circleMode) {
        drawPaint.setXfermode(null);
        onDrawCircle(canvas);
    } else if (lineMode) {
        drawPaint.setXfermode(null);
        onDrawLine(canvas);
    } else if (textMode) {
        drawPaint.setXfermode(null);
        onDrawText(canvas);
    } else if (dragMode && !dragFinished) {
        drawPaint.setXfermode(null);
        onDragDraw(canvas, dragX, dragY);
    } else if (colorDropperMode) {
        drawPaint.setXfermode(null);
        onDrawColorDropper(canvas, dropperX, dropperY);
    } else if (textSizeMode) {
        drawPaint.setXfermode(null);
    }

    canvas.drawBitmap(canvasBitmap, 0, 0, canvasPaint);

    //redraw objects

    Paint tempPaint = new Paint();
    tempPaint.setStyle(Paint.Style.STROKE);

    for (String key : textObjects.keySet()) {
        if (key.compareTo("") == 0) {
            continue;
        }
        JSONObject o = textObjects.get(key);

        tempPaint.setColor(o.optInt("color"));
        tempPaint.setStrokeWidth(o.optInt("size"));

        canvas.drawBitmap(mqtt.stringToBitmap(o.optString("textBitmap")), o.optInt("x"), o.optInt("y"),
                tempPaint);

    }

    for (String key : objectDrawables.keySet()) {
        //hashtable problems no time to explain. But it creates a duplicate of last item I add to the table.
        //So dont print duplicates which have empty string key values
        if (key.compareTo("") == 0) {
            continue;
        }
        JSONObject o = objectDrawables.get(key);

        String objectType = o.optString("type");
        tempPaint.setColor(o.optInt("color"));
        tempPaint.setStrokeWidth(o.optInt("size"));

        if (objectType.compareTo("Circle") == 0) {
            canvas.drawCircle(o.optInt("x"), o.optInt("y"), o.optInt("radius"), tempPaint);

        } else if (objectType.compareTo("Line") == 0) {
            canvas.drawLine(o.optInt("startx"), o.optInt("starty"), o.optInt("stopx"), o.optInt("stopy"),
                    tempPaint);

        } else if (objectType.compareTo("Rectangle") == 0) {
            canvas.drawRect(Rect.unflattenFromString(o.optString("dimens")), tempPaint);
        } else if (objectType.compareTo("Text") == 0) {
            //canvas.drawRect(Rect.unflattenFromString(o.optString("region")), drawPaint);
            canvas.drawBitmap(mqtt.stringToBitmap(o.optString("textBitmap")), o.optInt("x"), o.optInt("y"),
                    tempPaint);

        }
    }

}