Example usage for android.graphics Canvas translate

List of usage examples for android.graphics Canvas translate

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  6. translate

Introduction

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

Prototype

public void translate(float dx, float dy)

Source Link

Document

Preconcat the current matrix with the specified translation

Usage

From source file:am.widget.indicatortabstrip.IndicatorTabStrip.java

/**
 * ??//from w w w  .  j  a  va  2s  .c  o m
 *
 * @param canvas     
 * @param position   ???
 * @param itemWidth  ?
 * @param itemHeight ?
 */
protected void drawItemGradient(Canvas canvas, int position, int itemWidth, int itemHeight) {
    if (mGradient == null || !mGradient.isStateful())
        return;
    final int normalColor = mGradient.getDefaultColor();
    final int selectedColor = mGradient.getColorForState(SELECTED_STATE_SET, normalColor);
    if (position == mNextPager) {
        mTextPaint.setColor(getColor(normalColor, selectedColor, mOffset));
    } else if (position == mCurrentPager) {
        mTextPaint.setColor(getColor(normalColor, selectedColor, 1 - mOffset));
    } else {
        mTextPaint.setColor(normalColor);
    }
    final float moveX = ViewCompat.getPaddingStart(this) + (itemWidth + getIntervalWidth()) * position;
    final float moveY = getPaddingTop();
    final int restWidth = position == getItemCount() - 1 ? getLastItemWidth() : itemWidth;
    canvas.save();
    canvas.translate(moveX, moveY);
    canvas.drawRect(0, 0, restWidth, itemHeight, mTextPaint);
    canvas.restore();
}

From source file:com.klinker.android.sliding.MultiShrinkScroller.java

/**
 * Draw all components on the screen.//  w  ww. j av a 2  s  . c om
 * @param canvas the canvas to draw on.
 */
@Override
public void draw(Canvas canvas) {
    super.draw(canvas);

    final int width = getWidth() - getPaddingLeft() - getPaddingRight();
    final int height = getHeight();

    if (!edgeGlowBottom.isFinished()) {
        final int restoreCount = canvas.save();

        // Draw the EdgeEffect on the bottom of the Window (Or a little bit below the bottom
        // of the Window if we start to scroll upwards while EdgeEffect is visible). This
        // does not need to consider the case where this MultiShrinkScroller doesn't fill
        // the Window, since the nested ScrollView should be set to fillViewport.
        canvas.translate(-width + getPaddingLeft(), height + getMaximumScrollUpwards() - getScroll());

        canvas.rotate(180, width, 0);
        if (isTwoPanel) {
            // Only show the EdgeEffect on the bottom of the ScrollView.
            edgeGlowBottom.setSize(scrollView.getWidth(), height);
        } else {
            edgeGlowBottom.setSize(width, height);
        }
        if (edgeGlowBottom.draw(canvas)) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
                postInvalidateOnAnimation();
            } else {
                postInvalidate();
            }
        }
        canvas.restoreToCount(restoreCount);
    }

    if (!edgeGlowTop.isFinished()) {
        final int restoreCount = canvas.save();
        if (isTwoPanel) {
            edgeGlowTop.setSize(scrollView.getWidth(), height);
            canvas.translate(photoViewContainer.getWidth(), 0);
        } else {
            edgeGlowTop.setSize(width, height);
        }
        if (edgeGlowTop.draw(canvas)) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
                postInvalidateOnAnimation();
            } else {
                postInvalidate();
            }
        }
        canvas.restoreToCount(restoreCount);
    }
}

From source file:org.telegram.ui.Cells.ProfileSearchCell.java

@Override
protected void onDraw(Canvas canvas) {
    if (user == null && chat == null && encryptedChat == null) {
        return;// www  .ja  v  a  2 s .  co  m
    }

    if (useSeparator) {
        if (LocaleController.isRTL) {
            canvas.drawLine(0, getMeasuredHeight() - 1,
                    getMeasuredWidth() - AndroidUtilities.dp(AndroidUtilities.leftBaseline),
                    getMeasuredHeight() - 1, linePaint);
        } else {
            canvas.drawLine(AndroidUtilities.dp(AndroidUtilities.leftBaseline), getMeasuredHeight() - 1,
                    getMeasuredWidth(), getMeasuredHeight() - 1, linePaint);
        }
    }

    if (drawAlpha != 1) {
        canvas.saveLayerAlpha(0, 0, canvas.getWidth(), canvas.getHeight(), (int) (255 * drawAlpha),
                Canvas.HAS_ALPHA_LAYER_SAVE_FLAG);
    }

    if (drawNameLock) {
        setDrawableBounds(lockDrawable, nameLockLeft, nameLockTop);
        lockDrawable.draw(canvas);
    } else if (drawNameGroup) {
        setDrawableBounds(groupDrawable, nameLockLeft, nameLockTop);
        groupDrawable.draw(canvas);
    } else if (drawNameBroadcast) {
        setDrawableBounds(broadcastDrawable, nameLockLeft, nameLockTop);
        broadcastDrawable.draw(canvas);
    } else if (drawNameBot) {
        setDrawableBounds(botDrawable, nameLockLeft, nameLockTop);
        botDrawable.draw(canvas);
    }

    if (nameLayout != null) {
        canvas.save();
        canvas.translate(nameLeft, nameTop);
        nameLayout.draw(canvas);
        canvas.restore();
        if (drawCheck) {
            if (LocaleController.isRTL) {
                setDrawableBounds(checkDrawable,
                        nameLeft - AndroidUtilities.dp(4) - checkDrawable.getIntrinsicWidth(), nameLockTop);
            } else {
                setDrawableBounds(checkDrawable,
                        nameLeft + (int) nameLayout.getLineWidth(0) + AndroidUtilities.dp(4), nameLockTop);
            }
            checkDrawable.draw(canvas);
        }
    }

    if (onlineLayout != null) {
        canvas.save();
        canvas.translate(onlineLeft, AndroidUtilities.dp(40));
        onlineLayout.draw(canvas);
        canvas.restore();
    }

    if (countLayout != null) {
        if (MessagesController.getInstance().isDialogMuted(dialog_id)) {
            setDrawableBounds(countDrawableGrey, countLeft - AndroidUtilities.dp(5.5f), countTop,
                    countWidth + AndroidUtilities.dp(11), countDrawableGrey.getIntrinsicHeight());
            countDrawableGrey.draw(canvas);
        } else {
            setDrawableBounds(countDrawable, countLeft - AndroidUtilities.dp(5.5f), countTop,
                    countWidth + AndroidUtilities.dp(11), countDrawable.getIntrinsicHeight());
            countDrawable.draw(canvas);
        }
        canvas.save();
        canvas.translate(countLeft, countTop + AndroidUtilities.dp(4));
        countLayout.draw(canvas);
        canvas.restore();
    }

    avatarImage.draw(canvas);
}

From source file:com.microhealthllc.Slide.MultiShrinkScroller.java

/**
 * Draw all components on the screen.//from   w w  w  .  jav  a2 s .c  o m
 *
 * @param canvas the canvas to draw on.
 */
@Override
public void draw(Canvas canvas) {
    super.draw(canvas);

    final int width = getWidth() - getPaddingLeft() - getPaddingRight();
    final int height = getHeight();

    if (!edgeGlowBottom.isFinished()) {
        final int restoreCount = canvas.save();

        // Draw the EdgeEffect on the bottom of the Window (Or a little bit below the bottom
        // of the Window if we start to scroll upwards while EdgeEffect is visible). This
        // does not need to consider the case where this MultiShrinkScroller doesn't fill
        // the Window, since the nested ScrollView should be set to fillViewport.
        canvas.translate(-width + getPaddingLeft(), height + getMaximumScrollUpwards() - getScroll());

        canvas.rotate(180, width, 0);
        if (isTwoPanel) {
            // Only show the EdgeEffect on the bottom of the ScrollView.
            edgeGlowBottom.setSize(scrollView.getWidth(), height);
        } else {
            edgeGlowBottom.setSize(width, height);
        }

        // todo: figure out what is wrong with the edge glow with padded layouts
        if (paddedLayout) {
            edgeGlowBottom.setSize(0, 0);
        }

        if (edgeGlowBottom.draw(canvas)) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
                postInvalidateOnAnimation();
            } else {
                postInvalidate();
            }
        }
        canvas.restoreToCount(restoreCount);
    }

    if (!edgeGlowTop.isFinished()) {
        final int restoreCount = canvas.save();
        if (isTwoPanel) {
            edgeGlowTop.setSize(scrollView.getWidth(), height);
            canvas.translate(photoViewContainer.getWidth() * (1 / 6), 0);
        } else {
            edgeGlowTop.setSize(width, height);
        }

        // todo: figure out what is wrong with the edge glow with padded layouts
        if (paddedLayout) {
            edgeGlowTop.setSize(0, 0);
        }

        if (edgeGlowTop.draw(canvas)) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
                postInvalidateOnAnimation();
            } else {
                postInvalidate();
            }
        }
        canvas.restoreToCount(restoreCount);
    }
}

From source file:am.widget.indicatortabstrip.IndicatorTabStrip.java

/**
 * //from w  w  w .  j av  a  2  s.  c om
 *
 * @param canvas 
 */
protected void drawIndicator(Canvas canvas) {
    if (mIndicator == null)
        return;
    final int indicatorWidth = getIndicatorWidth();
    final int indicatorHeight = getIndicatorHeight();
    if (indicatorWidth <= 0 || indicatorHeight <= 0)
        return;
    mIndicator.setBounds(0, 0, indicatorWidth, indicatorHeight);
    final float widthWithInterval = getItemWidth() + getIntervalWidth();
    final float currentCenter = ViewCompat.getPaddingStart(this) + mCurrentPager * widthWithInterval
            + widthWithInterval * 0.5f;
    final float nextCenter = ViewCompat.getPaddingStart(this) + mNextPager * widthWithInterval
            + widthWithInterval * 0.5f;
    final float moveCenter = currentCenter + (nextCenter - currentCenter) * mOffset;
    final float moveX = moveCenter - indicatorWidth * 0.5f;
    final float moveY = getHeight() - getPaddingBottom() - getDividerHeight() - indicatorHeight;
    canvas.save();
    canvas.translate(moveX, moveY);
    mIndicator.draw(canvas);
    canvas.restore();
}

From source file:cnedu.ustcjd.widget.MultiSlider.java

@Override
protected synchronized void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    // --> draw track
    if (mTrack != null) {
        // Translate canvas so a indeterminate circular progress bar with padding
        // rotates properly in its animation
        canvas.save();// w w w.  j a  v a 2 s  . co m
        if (isLayoutRtl() && mMirrorForRtl) {
            canvas.translate(getWidth() - getPaddingRight(), getPaddingTop());
            canvas.scale(-1.0f, 1.0f);
        } else {
            canvas.translate(getPaddingLeft(), getPaddingTop());
        }
        mTrack.draw(canvas);
        canvas.restore();
    }

    // --> draw ranges

    for (Thumb thumb : mThumbs) {
        if (thumb.getRange() != null) {
            canvas.save();
            if (isLayoutRtl() && mMirrorForRtl) {
                canvas.translate(getWidth() - getPaddingRight(), getPaddingTop());
                canvas.scale(-1.0f, 1.0f);
            } else {
                canvas.translate(getPaddingLeft(), getPaddingTop());
            }
            thumb.getRange().draw(canvas);

            canvas.restore();
        }
    }

    // --> then draw thumbs
    for (Thumb thumb : mThumbs) {
        if (thumb.getThumb() != null && !thumb.isInvisibleThumb()) {
            canvas.save();
            // Translate the padding. For the x, we need to allow the thumb to
            // draw in its extra space
            canvas.translate(getPaddingLeft() - thumb.getThumbOffset(), getPaddingTop());
            // float scale = mScaleMax > 0 ? (float) thumb.getValue() / (float) mScaleMax : 0;
            thumb.getThumb().draw(canvas);

            canvas.restore();
        }
    }
}

From source file:net.simonvt.staggeredgridview.StaggeredGridView.java

@Override
public void draw(Canvas canvas) {
    super.draw(canvas);

    if (topEdge != null) {
        boolean needsInvalidate = false;
        if (!topEdge.isFinished()) {
            topEdge.draw(canvas);//from   w w w .  j  a  v  a 2s .c  om
            needsInvalidate = true;
        }
        if (!bottomEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int width = getWidth();
            canvas.translate(-width, getHeight());
            canvas.rotate(180, width, 0);
            bottomEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
            needsInvalidate = true;
        }

        if (needsInvalidate) {
            postInvalidateOnAnimation();
        }
    }

    if (!selectorRect.isEmpty()) {
        selector.setBounds(selectorRect);
        selector.draw(canvas);
    }
}

From source file:com.apptentive.android.sdk.view.ApptentiveNestedScrollView.java

@Override
public void draw(Canvas canvas) {
    super.draw(canvas);
    if (mEdgeGlowTop != null) {
        final int scrollY = getScrollY();
        if (!mEdgeGlowTop.isFinished()) {
            final int restoreCount = canvas.save();
            final int width = getWidth() - getPaddingLeft() - getPaddingRight();

            canvas.translate(getPaddingLeft(), Math.min(0, scrollY));
            mEdgeGlowTop.setSize(width, getHeight());
            if (mEdgeGlowTop.draw(canvas)) {
                ViewCompat.postInvalidateOnAnimation(this);
            }/*from   w w  w .j a  va  2s .  c om*/
            canvas.restoreToCount(restoreCount);
        }
        if (!mEdgeGlowBottom.isFinished()) {
            final int restoreCount = canvas.save();
            final int width = getWidth() - getPaddingLeft() - getPaddingRight();
            final int height = getHeight();

            canvas.translate(-width + getPaddingLeft(), Math.max(getScrollRange(), scrollY) + height);
            canvas.rotate(180, width, 0);
            mEdgeGlowBottom.setSize(width, height);
            if (mEdgeGlowBottom.draw(canvas)) {
                ViewCompat.postInvalidateOnAnimation(this);
            }
            canvas.restoreToCount(restoreCount);
        }
    }
}

From source file:com.marshalchen.common.uimodule.freeflow.core.FreeFlowContainer.java

@Override
public void draw(Canvas canvas) {
    super.draw(canvas);

    boolean needsInvalidate = false;

    final int height = getMeasuredHeight() - getPaddingTop() - getPaddingBottom();
    final int width = getMeasuredWidth();

    if (!mLeftEdge.isFinished()) {
        final int restoreCount = canvas.save();

        canvas.rotate(270);/*from w ww  .  j  a  v  a  2  s  . com*/
        canvas.translate(-height + getPaddingTop(), 0);// width);
        mLeftEdge.setSize(height, width);

        needsInvalidate = mLeftEdge.draw(canvas);
        canvas.restoreToCount(restoreCount);
    }

    if (!mTopEdge.isFinished()) {
        final int restoreCount = canvas.save();

        mTopEdge.setSize(width, height);

        needsInvalidate = mTopEdge.draw(canvas);
        canvas.restoreToCount(restoreCount);
    }

    if (!mRightEdge.isFinished()) {
        final int restoreCount = canvas.save();

        canvas.rotate(90);
        canvas.translate(0, -width);// width);
        mRightEdge.setSize(height, width);

        needsInvalidate = mRightEdge.draw(canvas);
        canvas.restoreToCount(restoreCount);
    }

    if (!mBottomEdge.isFinished()) {
        final int restoreCount = canvas.save();

        canvas.rotate(180);
        canvas.translate(-width + getPaddingTop(), -height);

        mBottomEdge.setSize(width, height);

        needsInvalidate = mBottomEdge.draw(canvas);
        canvas.restoreToCount(restoreCount);
    }

    if (needsInvalidate) {
        ViewCompat.postInvalidateOnAnimation(this);
    }
}

From source file:com.yek.keyboard.keyboards.views.AnyKeyboardView.java

@Override
public void onDraw(Canvas canvas) {
    final boolean keyboardChanged = mKeyboardChanged;
    super.onDraw(canvas);
    // switching animation
    if (mAnimationLevel != AskPrefs.AnimationsLevel.None && keyboardChanged && (mInAnimation != null)) {
        startAnimation(mInAnimation);/*from ww w  . java 2s .  c  om*/
        mInAnimation = null;
    }
    // text pop out animation
    if (mPopOutText != null && mAnimationLevel != AskPrefs.AnimationsLevel.None) {
        final int maxVerticalTravel = getHeight() / 2;
        final long currentAnimationTime = SystemClock.elapsedRealtime() - mPopOutTime;
        if (currentAnimationTime > TEXT_POP_OUT_ANIMATION_DURATION) {
            mPopOutText = null;
        } else {
            final float popOutPositionProgress = ((float) currentAnimationTime)
                    / ((float) TEXT_POP_OUT_ANIMATION_DURATION);
            final float animationProgress = mPopOutTextReverting ? 1f - popOutPositionProgress
                    : popOutPositionProgress;
            final float animationInterpolatorPosition = getPopOutAnimationInterpolator(false,
                    animationProgress);
            final int y = mPopOutStartPoint.y - (int) (maxVerticalTravel * animationInterpolatorPosition);
            final int x = mPopOutStartPoint.x;
            final int alpha = mPopOutTextReverting ? (int) (255 * animationProgress)
                    : 255 - (int) (255 * animationProgress);
            // drawing
            setPaintToKeyText(mPaint);
            // will disappear over time
            mPaint.setAlpha(alpha);
            mPaint.setShadowLayer(5, 0, 0, Color.BLACK);
            // will grow over time
            mPaint.setTextSize(mPaint.getTextSize() * (1.0f + animationInterpolatorPosition));
            canvas.translate(x, y);
            canvas.drawText(mPopOutText, 0, mPopOutText.length(), 0, 0, mPaint);
            canvas.translate(-x, -y);
            //we're doing reverting twice much faster
            if (mPopOutTextReverting) {
                mPopOutTime = mPopOutTime - (int) (60 * popOutPositionProgress);
            }
            // next frame
            postInvalidateDelayed(1000 / 60);// doing 60 frames per second;
        }
    }
    //showing alpha/beta icon if needed
    if (BuildConfig.TESTING_BUILD) {
        final float textSizeForBuildSign = mPaint.getTextSize() / 2f;
        final float x = getWidth() - (mBuildTypeSignText.length() * textSizeForBuildSign);
        final float y = getHeight() - textSizeForBuildSign - getPaddingBottom();
        canvas.translate(x, y);
        canvas.drawText(mBuildTypeSignText, 0, mBuildTypeSignText.length(), 0, 0, mBuildTypeSignPaint);
        canvas.translate(-x, -y);
    }
}