Example usage for android.graphics Canvas drawRect

List of usage examples for android.graphics Canvas drawRect

  1. HOME
  2. Java
  3. android
  4. android.graphics.*
  5. Canvas
  6. drawRect

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:co.paulburke.android.textviewpager.TextViewPagerIndicator.java

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

    if (mViewPager == null)
        return;/*from www.j  av  a2 s .  c  om*/

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

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

    float left = 0f, top = 0f, right = 0f, bottom = 0f;

    final int paddingTop = getPaddingTop();
    final int paddingBottom = getPaddingBottom();
    final int paddingRight = getPaddingRight();
    final int paddingLeft = getPaddingLeft();

    if (isHorizontal()) {
        final float pageWidth = (getWidth() - paddingLeft - paddingRight) / (1f * count);
        left = paddingLeft + pageWidth * (mCurrentPage + mPositionOffset);
        right = left + pageWidth;
        top = 0f;
        bottom = getHeight();
    } else if (isVertical()) {
        final float pageHeight = (getHeight() - paddingTop - paddingBottom) / (1f * count);
        top = paddingTop + pageHeight * (mCurrentPage + mPositionOffset);
        bottom = top + pageHeight;
        left = 0f;
        right = getWidth();
    }

    canvas.drawRect(left, top, right, bottom, mPaint);
}

From source file:com.huyn.demogroup.relativetop.PagerSlidingTabStrip.java

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

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

    final int height = getHeight();

    // draw indicator line

    rectPaint.setColor(indicatorColor);

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    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 && currentPosition < tabCount - 1) {

        View nextTab = tabsContainer.getChildAt(currentPosition + 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 + tabPadding, height - indicatorHeight, lineRight - tabPadding, height, rectPaint);
}

From source file:com.csdn.pagerslidingtabstrip.view.PagerSlidingTabStrip.java

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

    if (isInEditMode() || tabCount == 0) {
        return;//from   ww  w . java  2s  . c om
    }

    if (pager == null) {
        rectPaint.setColor(indicatorColor);
        final int height = getHeight();
        /** tab **/
        View currentTab = tabsContainer.getChildAt(currentPosition);
        float lineLeft = currentTab.getLeft();
        float lineRight = currentTab.getRight();
        View lastTab = tabsContainer.getChildAt(lastposition);
        float detalLeft = lineLeft - lastTab.getLeft();
        float detalRight = lineRight - lastTab.getRight();

        if (currentTab != null) {

            canvas.drawRect(lineLeft - detalLeft, height - indicatorHeight,
                    lineLeft + currentTab.getWidth() - detalRight, height, rectPaint);

            Log.i("tteerr", "lineLeft=" + lineLeft + "--" + "lineRight=" + lineRight + "--detalLeft="
                    + detalLeft + "--+detalRight=" + detalRight);
            Log.i("tteerr", "" + "left=" + (lineLeft - detalLeft) + "top=" + (height - indicatorHeight)
                    + "right=" + (lineLeft + currentTab.getWidth() - detalRight) + "bottom=" + height);

            Log.i("tteerr", "currentPosition=" + currentPosition + "lastposition=" + lastposition);

        }
        return;
    }

    final int height = getHeight();

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

    // draw indicator line
    rectPaint.setColor(indicatorColor);

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    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 && currentPosition < tabCount - 1) {

        View nextTab = tabsContainer.getChildAt(currentPosition + 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);

    // 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);
    }
}

From source file:com.tr4android.support.extension.widget.CollapsingTextHelper.java

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

    if (mTextToDraw != null && mDrawTitle) {
        float x = mCurrentDrawX;
        float y = mCurrentDrawY;

        final boolean drawTexture = mUseTexture && mExpandedTitleTexture != null;

        final float ascent;
        final float descent;

        // Update the TextPaint to the current text size
        mTextPaint.setTextSize(mCurrentTextSize);

        if (drawTexture) {
            ascent = mTextureAscent * mScale;
            descent = mTextureDescent * mScale;
        } else {//  w  w  w.j  a va2s .  co  m
            ascent = mTextPaint.ascent() * mScale;
            descent = mTextPaint.descent() * mScale;
        }

        if (DEBUG_DRAW) {
            // Just a debug tool, which drawn a Magneta rect in the text bounds
            canvas.drawRect(mCurrentBounds.left, y + ascent, mCurrentBounds.right, y + descent,
                    DEBUG_DRAW_PAINT);
        }

        if (drawTexture) {
            y += ascent;
        }

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

        if (drawTexture) {
            // If we should use a texture, draw it instead of text
            canvas.drawBitmap(mExpandedTitleTexture, x, y, mTexturePaint);
        } else {
            canvas.drawText(mTextToDraw, 0, mTextToDraw.length(), x, y, mTextPaint);
        }
    }

    canvas.restoreToCount(saveCount);
}

From source file:com.eccyan.widget.SpinningTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || tabCount == 0) {
        return;//from   w ww  .j a  va 2 s  . c  o m
    }

    final int height = getHeight();
    // draw indicator line, and draw indicator line for next dummy tab
    rectPaint.setColor(indicatorColor);
    Pair<Float, Float> lines = getIndicatorCoordinates();
    final float left = lines.first;
    final float right = lines.second;
    final float tabsWidth = getTabsWidth();
    for (int i = 0; i < DUMMY_TAB_RATE; ++i) {
        final float padding = tabsWidth * i;
        canvas.drawRect(left + padding, height - indicatorHeight, right + padding, height, rectPaint);
    }
    // draw underline
    rectPaint.setColor(underlineColor);
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);
    // draw divider
    if (dividerWidth != 0) {
        dividerPaint.setStrokeWidth(dividerWidth);
        dividerPaint.setColor(dividerColor);
        for (int i = 0; i < realTabCount - 1; i++) {
            View tab = tabsContainer.getChildAt(i);
            canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(), height - dividerPadding,
                    dividerPaint);
        }
    }
}

From source file:com.mylikes.likes.etchasketch.Slate.java

@Override
protected void onDraw(Canvas canvas) {
    if (mTiledCanvas != null) {
        canvas.save(Canvas.MATRIX_SAVE_FLAG);

        if (mPanX != 0 || mPanY != 0 || !mZoomMatrix.isIdentity()) {
            canvas.translate(mPanX, mPanY);
            canvas.concat(mZoomMatrix);//from w w w . j av  a  2s  .c  o  m

            canvas.drawRect(-20000, -20000, 20000, 0, mWorkspacePaint);
            canvas.drawRect(-20000, 0, 0, mTiledCanvas.getHeight(), mWorkspacePaint);
            canvas.drawRect(mTiledCanvas.getWidth(), 0, 20000, mTiledCanvas.getHeight(), mWorkspacePaint);
            canvas.drawRect(-20000, mTiledCanvas.getHeight(), 20000, 20000, mWorkspacePaint);
        }

        if (!mDirtyRegion.isEmpty()) {
            canvas.clipRegion(mDirtyRegion);
            mDirtyRegion.setEmpty();
        }
        // TODO: tune this threshold based on the device density
        mBlitPaint.setFilterBitmap(getScale(mZoomMatrix) < 3f);
        mTiledCanvas.drawTo(canvas, 0, 0, mBlitPaint, false); // @@ set to true for dirty tile updates
        if (0 != (mDebugFlags & FLAG_DEBUG_STROKES)) {
            drawStrokeDebugInfo(canvas);
        }
        for (MoveableDrawing drawing : overlays) {
            drawing.renderInto(canvas, moveMode && drawing == selectedDrawing);
        }

        canvas.restore();

        if (0 != (mDebugFlags & FLAG_DEBUG_PRESSURE)) {
            mPressureCooker.drawDebug(canvas);
        }
    }
}

From source file:ar.com.xpasta.Controls.PagerSlidingTabStrip.java

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

    if (isInEditMode() || tabCount == 0)
        return;//from  w w w.  j av a  2 s .c  o m

    final int height = getHeight();

    // draw indicator line
    rectPaint.setColor(indicatorColor);

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    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 && currentPosition < tabCount - 1) {
        View nextTab = tabsContainer.getChildAt(currentPosition + 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);

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

    // 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);
    }
}

From source file:com.example.jingzhongjie.tabbarviewtest.widget.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || tabCount == 0) {
        return;/*from  w w w  . ja v a 2s. co  m*/
    }
    final int height = getHeight();
    // draw indicator line
    rectPaint.setColor(indicatorColor);
    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    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 && currentPosition < tabCount - 1) {
        View nextTab = tabsContainer.getChildAt(currentPosition + 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 + indicatorPadding, height - indicatorHeight, lineRight - indicatorPadding, height,
            rectPaint);
    // draw underline
    rectPaint.setColor(underlineColor);
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);
    // 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);
    }
}

From source file:com.microsoft.mimickeralarm.mimics.ProgressButton.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (mState == State.ReadyCamera) {
        prepareDrawFill(sYellow);//from  w ww.ja  v a2  s  .c o m
        canvas.drawCircle(mCenterX, mCenterY, mRadius, mBrush);

        canvas.drawBitmap(mCameraIcon, mCenterX - (mCameraIcon.getWidth() / 2),
                mCenterY - (mCameraIcon.getHeight() / 2), mBrush);
    } else if (mState == State.ReadyAudio) {
        prepareDrawFill(sYellow);
        canvas.drawCircle(mCenterX, mCenterY, mRadius, mBrush);

        canvas.drawBitmap(mMicrophoneIcon, mCenterX - (mMicrophoneIcon.getWidth() / 2),
                mCenterY - (mMicrophoneIcon.getHeight() / 2), mBrush);
    } else if (mState == State.Loading) {
        prepareDrawFill(sBlue);
        canvas.drawCircle(mCenterX, mCenterY, mRadius, mBrush);

        prepareDrawStroke(sWhite);
        canvas.drawArc(mLoadingAnimationRect, mLoadingAnimationProgress, 300f, false, mBrush);
    } else if (mState == State.Waiting) {
        prepareDrawFill(sGrey);
        canvas.drawCircle(mCenterX, mCenterY, mRadius, mBrush);
        prepareDrawFill(sWhite);
        canvas.drawCircle(mCenterX, mCenterY, (float) (mRadius * 0.7), mBrush);
        prepareDrawFill(sGrey);
        float w = (float) (mRadius * 0.3);
        canvas.drawRect(mCenterX - w, mCenterY - w, mCenterX + w, mCenterY + w, mBrush);
    }
}

From source file:com.gc.materialdesign.views.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || tabCount == 0) {
        return;/* www . j  a  va 2s.c o  m*/
    }
    final int height = getHeight();
    // draw indicator line
    rectPaint.setColor(indicatorColor);
    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    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 && currentPosition < tabCount - 1) {
        View nextTab = tabsContainer.getChildAt(currentPosition + 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);
    // draw underline
    rectPaint.setColor(underlineColor);
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);
    // 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);
    }
}