Example usage for android.graphics Canvas drawLine

Introduction

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

Prototype

public void drawLine(float startX, float startY, float stopX, float stopY, @NonNull Paint paint) 

Source Link

Document

Draw a line segment with the specified start and stop x,y coordinates, using the specified paint.

Usage

From source file:com.cube.storm.ui.view.PagerSlidingTabStrip.java

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

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

    final int height = getHeight();

    // draw indicator line

    rectPaint.setColor(indicatorColor);

    // default: line below current tab
    android.view.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) {

        android.view.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++) {
        android.view.View tab = tabsContainer.getChildAt(i);
        canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(), height - dividerPadding, dividerPaint);
    }
}

---

From source file:com.jjoe64.graphview.GridLabelRenderer.java

/**
 * draws the horizontal steps// ww w. ja v a  2s.c  o m
 * vertical lines and horizontal labels
 *
 * @param canvas canvas
 */
protected void drawHorizontalSteps(Canvas canvas) {
    // draw horizontal steps (vertical lines and horizontal labels)
    mPaintLabel.setColor(getHorizontalLabelsColor());
    int i = 0;
    for (Map.Entry<Integer, Double> e : mStepsHorizontal.entrySet()) {
        // draw line
        if (mStyles.highlightZeroLines) {
            if (e.getValue() == 0d) {
                mPaintLine.setStrokeWidth(5);
            } else {
                mPaintLine.setStrokeWidth(0);
            }
        }
        if (mStyles.gridStyle.drawVertical()) {
            canvas.drawLine(mGraphView.getGraphContentLeft() + e.getKey(), mGraphView.getGraphContentTop(),
                    mGraphView.getGraphContentLeft() + e.getKey(),
                    mGraphView.getGraphContentTop() + mGraphView.getGraphContentHeight(), mPaintLine);
        }

        // draw label
        if (isHorizontalLabelsVisible()) {
            if (mStyles.horizontalLabelsAngle > 0f && mStyles.horizontalLabelsAngle <= 180f) {
                if (mStyles.horizontalLabelsAngle < 90f) {
                    mPaintLabel.setTextAlign((Paint.Align.RIGHT));
                } else if (mStyles.horizontalLabelsAngle <= 180f) {
                    mPaintLabel.setTextAlign((Paint.Align.LEFT));
                }
            } else {
                mPaintLabel.setTextAlign(Paint.Align.CENTER);
                if (i == mStepsHorizontal.size() - 1)
                    mPaintLabel.setTextAlign(Paint.Align.RIGHT);
                if (i == 0)
                    mPaintLabel.setTextAlign(Paint.Align.LEFT);
            }

            // multiline labels
            String label = mLabelFormatter.formatLabel(e.getValue(), true);
            if (label == null) {
                label = "";
            }
            String[] lines = label.split("\n");

            // If labels are angled, calculate adjustment to line them up with the grid
            int labelWidthAdj = 0;
            if (mStyles.horizontalLabelsAngle > 0f && mStyles.horizontalLabelsAngle <= 180f) {
                Rect textBounds = new Rect();
                mPaintLabel.getTextBounds(lines[0], 0, lines[0].length(), textBounds);
                labelWidthAdj = (int) Math
                        .abs(textBounds.width() * Math.cos(Math.toRadians(mStyles.horizontalLabelsAngle)));
            }
            for (int li = 0; li < lines.length; li++) {
                // for the last line y = height
                float y = (canvas.getHeight() - mStyles.padding - getHorizontalAxisTitleHeight())
                        - (lines.length - li - 1) * getTextSize() * 1.1f + mStyles.labelsSpace;
                float x = mGraphView.getGraphContentLeft() + e.getKey();
                if (mStyles.horizontalLabelsAngle > 0 && mStyles.horizontalLabelsAngle < 90f) {
                    canvas.save();
                    canvas.rotate(mStyles.horizontalLabelsAngle, x + labelWidthAdj, y);
                    canvas.drawText(lines[li], x + labelWidthAdj, y, mPaintLabel);
                    canvas.restore();
                } else if (mStyles.horizontalLabelsAngle > 0 && mStyles.horizontalLabelsAngle <= 180f) {
                    canvas.save();
                    canvas.rotate(mStyles.horizontalLabelsAngle - 180f, x - labelWidthAdj, y);
                    canvas.drawText(lines[li], x - labelWidthAdj, y, mPaintLabel);
                    canvas.restore();
                } else {
                    canvas.drawText(lines[li], x, y, mPaintLabel);
                }
            }
        }
        i++;
    }
}

---

From source file:net.droidsolutions.droidcharts.core.renderer.AbstractCategoryItemRenderer.java

/**
 * Draws a line perpendicular to the range axis.
 * /*  ww  w.  j  a  v a 2 s .c o  m*/
 * @param g2
 *            the graphics device.
 * @param plot
 *            the plot.
 * @param axis
 *            the value axis.
 * @param dataArea
 *            the area for plotting data (not yet adjusted for any 3D
 *            effect).
 * @param value
 *            the value at which the grid line should be drawn.
 * @param paint
 *            the paint (<code>null</code> not permitted).
 * @param stroke
 *            the stroke (<code>null</code> not permitted).
 * 
 * @see #drawRangeGridline
 * 
 * @since 1.0.13
 */
public void drawRangeLine(Canvas g2, CategoryPlot plot, ValueAxis axis, Rectangle2D dataArea, double value,
        Paint paint, float stroke) {

    // TODO: In JFreeChart 1.2.0, put this method in the
    // CategoryItemRenderer interface
    Range range = axis.getRange();
    if (!range.contains(value)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    Line2D line = null;
    double v = axis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());
    if (orientation == PlotOrientation.HORIZONTAL) {
        line = new Line2D.Double(v, dataArea.getMinY(), v, dataArea.getMaxY());
    } else if (orientation == PlotOrientation.VERTICAL) {
        line = new Line2D.Double(dataArea.getMinX(), v, dataArea.getMaxX(), v);
    }

    paint.setStrokeWidth(stroke);
    g2.drawLine((float) line.getX1(), (float) line.getY1(), (float) line.getX2(), (float) line.getY2(), paint);

}

---

From source file:org.smart.library.widget.PagerSlidingTabStrip.java

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

    if (isInEditMode() || tabCount == 0) {
        return;// w w  w  .  ja v  a2  s.  c  o m
    }

    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 mCurrent 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 mCurrent 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:thirdparty.com.astuetz.PagerSlidingTabStrip.java

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

    if (isInEditMode() || tabCount == 0) {
        return;//w  w w  .  j  a va 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);
    }

    //?Indicator
    int length = ResolutionUtil.dipToPx(getContext(), 24f);
    canvas.drawRect(lineLeft + length, height - indicatorHeight, lineRight - length, 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.trimph.toprand.trimphrxandroid.trimph.ui.main.news.view.PagerSlidingTabStrip.java

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

    if (isInEditMode() || tabCount == 0) {
        return;//  ww w.  jav a2s  .  c o  m
    }

    final int height = getHeight();

    // draw indicator line

    indicatorColor = Color.parseColor("#FF7D1F");
    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.huida.googleplayfinal.lib.PagerSlidingTab.java

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

    if (isInEditMode() || tabCount == 0) {
        return;/*from  w  ww.  j a  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, height - indicatorHeight, lineRight, height, rectPaint);
    //      canvas.drawRect(lineLeft, 0, lineRight, indicatorHeight, 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.appdetail_optimization.PagerSlidingTabStrip.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() - underLineMarginBottom;

    // 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 + underLineMarginBottom, lineRight,
            height + underLineMarginBottom, 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.cc.custom.uikit.PagerSlidingTabStrip.java

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

    if (isInEditMode() || tabCount == 0) {
        return;// w ww.jav  a  2 s  . com
    }

    final int height = getHeight();

    View currentTab = tabsContainer.getChildAt(firstPosition);

    // draw indicator line

    rectPaint.setColor(indicatorColor);

    // default: line below current tab
    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 (firstPositionOffset > 0f && firstPosition < tabCount - 1) {

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

        lineLeft = (firstPositionOffset * nextTabLeft + (1f - firstPositionOffset) * lineLeft);
        lineRight = (firstPositionOffset * nextTabRight + (1f - firstPositionOffset) * 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.example.guxiuzhong.pagerslidingtab_lib.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || tabCount == 0) {
        return;/*from w  w  w.ja va  2 s. co m*/
    }
    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(), dividerPaddingTopBottom, tab.getRight(),
                height - dividerPaddingTopBottom, dividerPaint);
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• »