Example usage for android.graphics Canvas drawRect

List of usage examples for android.graphics Canvas drawRect

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Introduction

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

Prototype

public void drawRect(float left, float top, float right, float bottom, @NonNull Paint paint)

Source Link

Document

Draw the specified Rect using the specified paint.

Usage

From source file:cn.chuangblog.simplebanner1.indicator.UnderlinePageIndicator.java

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

    if (mViewPager == null) {
        return;//from  w  ww  .j a  v  a2s  .  c o m
    }
    final int count = InfiniteViewPager.FakePositionHelper.getAdapterSize(mViewPager);
    if (count == 0) {
        return;
    }

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

    final int paddingLeft = getPaddingLeft();
    final float pageWidth = (getWidth() - paddingLeft - getPaddingRight()) / (1f * count);
    final float left = paddingLeft + pageWidth * (mCurrentPage + mPositionOffset);
    final float right = left + pageWidth;
    final float top = getPaddingTop();
    final float bottom = getHeight() - getPaddingBottom();
    canvas.drawRect(left, top, right, bottom, mPaint);
}

From source file:com.cocosw.accessory.views.layout.CollapsingTitleLayout.java

@Override
public void draw(Canvas canvas) {
    final int saveCount = canvas.save();

    final int toolbarHeight = mToolbar.getHeight();
    canvas.clipRect(0, 0, canvas.getWidth(), interpolate(canvas.getHeight(), toolbarHeight, mScrollOffset));

    // Now call super and let it draw the background, etc
    super.draw(canvas);

    if (mTitleToDraw != null) {
        float x = mTextLeft;
        float y = mTextTop;

        if (!mUseTexture) {
            // If we're not drawing a texture, we need to properly offset the text
            x -= mDrawnTextBounds.left;/*from   w w  w.  j av a  2 s. co  m*/
            y -= mDrawnTextBounds.top;
        }

        if (DEBUG_DRAW) {
            // Just a debug tool, which drawn a Magneta rect in the text bounds
            canvas.drawRect(mTextLeft, mTextTop, mTextRight, mTextTop + mDrawnTextBounds.height(),
                    DEBUG_DRAW_PAINT);
        }

        if (mScale != 1f) {
            canvas.scale(mScale, mScale, x, y);
        }

        if (mUseTexture && mExpandedTitleTexture != null) {
            // If we should use a texture, draw it instead of text
            canvas.drawBitmap(mExpandedTitleTexture, x, y, mTexturePaint);
        } else {
            canvas.drawText(mTitleToDraw, x, y, mTextPaint);
        }
    }

    canvas.restoreToCount(saveCount);
}

From source file:com.example.nitish.welcomapp.widgetpt.PeriodicTableView.java

@Override
protected void onDraw(Canvas canvas) {
    canvas.drawRect(0, 0, getRight(), getBottom(), mBgPaint);
    mRect.top = (int) (mBlockSize * 1.3) + mContentRect.top + mContentOffset.y;
    mRect.left = mBlockSize * 4 + mContentRect.left + mContentOffset.x;
    mRect.bottom = mRect.top + mBlockSize * 2;
    mRect.right = mRect.left + mBlockSize * 8;
    mLegend.drawLegend(canvas, mRect);//from w  w  w.ja  va 2  s  .  co  m

    writeHeaders(canvas);
    writeTitle(canvas);

    for (PeriodicTableBlock block : mPeriodicTableBlocks) {
        findBlockPosition(block);

        if (!isBlockVisible(mRect)) {
            continue;
        }

        mBlockPaint.setColor(block.color);

        canvas.drawRect(mRect, mBlockPaint);

        canvas.drawText(block.element.symbol, mRect.left + mBlockSize / 2,
                mRect.bottom - (int) (mBlockSize / 2.8), mSymbolPaint);

        canvas.drawText(String.valueOf(block.element.number), mRect.left + mBlockSize / 20,
                mRect.top + mNumberPaint.getTextSize(), mNumberPaint);

        canvas.drawText(block.subtext, mRect.left + mBlockSize / 2, mRect.bottom - mBlockSize / 20,
                mSmallTextPaint);
    }

    if (mBlockSelected != null) {
        mSelectedPaint.setStrokeWidth(mBlockSize / 10);
        findBlockPosition(mBlockSelected);
        canvas.drawRect(mRect, mSelectedPaint);
    }

    drawEdgeEffects(canvas);
}

From source file:com.ksyun.customservice.custom.viewpagerindicator.UnderlinePageIndicator.java

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

    if (mViewPager == null) {
        return;//from  www . j  a  v a  2 s.  co m
    }
    final int count = mViewPager.getAdapter().getCount();
    if (count == 0) {
        return;
    }

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

    final int paddingLeft = getPaddingLeft();
    final int paddingRight = getPaddingRight();
    final float pageWidth = (getWidth()) / (1f * count);
    final float left = paddingLeft + pageWidth * (mCurrentPage + mPositionOffset);
    final float right = left + pageWidth - paddingLeft - paddingRight;
    final float top = getPaddingTop();
    final float bottom = getHeight() - getPaddingBottom();
    canvas.drawRect(left, top, right, bottom, mPaint);
}

From source file:com.dwdesign.tweetings.fragment.UserProfileFragment.java

public static Bitmap createAlphaGradientBitmap(Bitmap orig) {
    final int width = orig.getWidth(), height = orig.getHeight();
    final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(bitmap);
    final Paint paint = new Paint();
    final LinearGradient shader = new LinearGradient(width / 2, 0, width / 2, height, 0xffffffff, 0x00ffffff,
            Shader.TileMode.CLAMP);//from   ww w  .j av  a2s  .co  m
    paint.setShader(shader);
    paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
    canvas.drawBitmap(orig, 0, 0, null);
    canvas.drawRect(0, 0, width, height, paint);
    return bitmap;
}

From source file:com.ultramegatech.ey.widget.PeriodicTableView.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    canvas.drawRect(0, 0, getRight(), getBottom(), mBgPaint);
    mRect.top = (int) (mBlockSize * 1.3) + mContentRect.top + mContentOffset.y;
    mRect.left = mBlockSize * 3 + mContentRect.left + mContentOffset.x;
    mRect.bottom = mRect.top + mBlockSize * 2;
    mRect.right = mRect.left + mBlockSize * 9;
    mLegend.drawLegend(canvas, mRect);/*ww  w  .  j a  va 2  s.c  om*/

    writeHeaders(canvas);
    writeTitle(canvas);

    for (PeriodicTableBlock block : mPeriodicTableBlocks) {
        findBlockPosition(block);

        if (!isBlockVisible(mRect)) {
            continue;
        }

        mBlockPaint.setColor(block.color);

        canvas.drawRect(mRect, mBlockPaint);

        canvas.drawText(block.element.symbol, mRect.left + mBlockSize / 2,
                mRect.bottom - (int) (mBlockSize / 2.8), mSymbolPaint);

        canvas.drawText(String.valueOf(block.element.number), mRect.left + mBlockSize / 20,
                mRect.top + mNumberPaint.getTextSize(), mNumberPaint);

        canvas.drawText(block.subtext, mRect.left + mBlockSize / 2, mRect.bottom - mBlockSize / 20,
                mSmallTextPaint);
    }

    if (mBlockSelected != null) {
        mSelectedPaint.setStrokeWidth(mBlockSize / 10);
        findBlockPosition(mBlockSelected);
        canvas.drawRect(mRect, mSelectedPaint);
    }

    drawEdgeEffects(canvas);
}

From source file:net.droidsolutions.droidcharts.core.title.LegendTitle.java

/**
 * Draws the block within the specified area.
 * //  ww w .  j a v a 2 s .co m
 * @param g2
 *            the graphics device.
 * @param area
 *            the area.
 * @param params
 *            ignored (<code>null</code> permitted).
 * 
 * @return An {@link org.jfree.chart.block.EntityBlockResult} or
 *         <code>null</code>.
 */
public Object draw(Canvas g2, Rectangle2D area, Object params) {
    Rectangle2D target = (Rectangle2D) area.clone();
    Rectangle2D hotspot = (Rectangle2D) area.clone();
    StandardEntityCollection sec = null;
    if (params instanceof EntityBlockParams && ((EntityBlockParams) params).getGenerateEntities()) {
        sec = new StandardEntityCollection();
        sec.add(new TitleEntity(hotspot, this));
    }
    target = trimMargin(target);
    if (this.backgroundPaint != null) {
        backgroundPaint.setStyle(Paint.Style.FILL);
        // g2.setPaint(this.backgroundPaint);
        g2.drawRect((float) target.getMinX(), (float) target.getMinY(), (float) target.getMaxX(),
                (float) target.getMaxY(), backgroundPaint);
    }
    BlockFrame border = getFrame();
    border.draw(g2, target);
    border.getInsets().trim(target);
    BlockContainer container = this.wrapper;
    if (container == null) {
        container = this.items;
    }
    target = trimPadding(target);
    Object val = container.draw(g2, target, params);
    if (val instanceof BlockResult) {
        EntityCollection ec = ((BlockResult) val).getEntityCollection();
        if (ec != null && sec != null) {
            sec.addAll(ec);
            ((BlockResult) val).setEntityCollection(sec);
        }
    }
    return val;
}

From source file:com.chenl.widgets.flippablestackview.indicator.OrientedPagerSlidingTabLayout.java

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

    if (isInEditMode() || tabCount == 0) {
        return;/*  w w w  . ja v  a  2s  . co m*/
    }

    if (underlineHeight > 0) {
        final int height = getHeight();

        // draw divider

        dividerPaint.setColor(dividerColor);
        for (int i = 0; i < tabCount - 1; i++) {
            View tab = tabsContainer.getChildAt(i);
            canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(), height - dividerPadding,
                    dividerPaint);
        }

        // draw underline
        rectPaint.setColor(underlineColor);
        canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);
    }

    if (indicatorHeight > 0) {
        final int height = getHeight();
        // draw indicator line
        rectPaint.setColor(indicatorColor);
        // default: line below current tab
        View currentTab = tabsContainer.getChildAt(mCurrentPosition);
        float lineLeft = currentTab.getLeft();
        float lineRight = currentTab.getRight();

        // if there is an offset, start interpolating left and right coordinates between current and next tab
        if (currentPositionOffset > 0f && mCurrentPosition < tabCount - 1) {

            View nextTab = tabsContainer.getChildAt(mCurrentPosition + 1);
            final float nextTabLeft = nextTab.getLeft();
            final float nextTabRight = nextTab.getRight();

            lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft);
            lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight);
        }
        canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, height, rectPaint);
    }
}

From source file:com.am.pagergradienttab.view.PagerGradientTabStrip.java

/**
 * /*  ww  w  . jav a2s  .c om*/
 * 
 * @param canvas
 */
private void drawIndicator(Canvas canvas) {

    canvas.save();
    canvas.translate(
            getPaddingLeft() + currectPager * (itemWidth + intervalWidth) + indicatorPadding
                    + indicatorOffset * (itemWidth + intervalWidth),
            getHeight() - underLineHeight - getPaddingBottom() - indicatorHeight);
    if (showIndicator) {
        mTextPaint.setColor(indicatorColor);
        if (tabs.size() > 1)
            canvas.drawRect(0, 0, itemWidth - 2 * indicatorPadding, indicatorHeight, mTextPaint);
        else if (tabs.size() > 0)
            canvas.drawRect(itemWidth / 4, 0, itemWidth - itemWidth / 4 - 2 * indicatorPadding, indicatorHeight,
                    mTextPaint);
        else
            canvas.drawRect(itemWidth / 4, 0, itemWidth - itemWidth / 4 - 1 * indicatorPadding, indicatorHeight,
                    mTextPaint);
    }
    canvas.restore();
}

From source file:au.com.zacher.popularmovies.activity.layout.CollapsingTitleLayout.java

@Override
public void draw(@NonNull Canvas canvas) {
    final int saveCount = canvas.save();

    final int toolbarHeight = this.mToolbar.getHeight();
    canvas.clipRect(0, 0, canvas.getWidth(),
            interpolate(canvas.getHeight(), toolbarHeight, this.mScrollOffset));

    // Now call super and let it draw the background, etc
    super.draw(canvas);

    if (this.mTitleToDraw != null) {
        float x = this.mTextLeft;
        float y = this.mTextTop;

        final float ascent = this.mTextPaint.ascent() * this.mScale;
        final float descent = this.mTextPaint.descent() * this.mScale;
        final float h = descent - ascent;

        if (DEBUG_DRAW) {
            // Just a debug tool, which drawn a Magneta rect in the text bounds
            canvas.drawRect(this.mTextLeft, y - h + descent, this.mTextRight, y + descent, DEBUG_DRAW_PAINT);
        }//from w  w w . jav  a  2s.c o m

        if (this.mUseTexture) {
            y = y - h + descent;
        }

        if (this.mScale != 1f) {
            canvas.scale(this.mScale, this.mScale, x, y);
        }

        if (this.mUseTexture && this.mExpandedTitleTexture != null) {
            // If we should use a texture, draw it instead of text
            canvas.drawBitmap(this.mExpandedTitleTexture, x, y, this.mTexturePaint);
        } else {
            canvas.drawText(this.mTitleToDraw, x, y, this.mTextPaint);
        }
    }

    canvas.restoreToCount(saveCount);
}