android.graphics.Canvas#drawPath ( )源码实例Demo

下面列出了android.graphics.Canvas#drawPath ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： EhViewer 文件： AddDeleteDrawable.java

@Override
public void draw(Canvas canvas) {
    Rect bounds = getBounds();
    float canvasRotate;
    if (mVerticalMirror) {
        canvasRotate = MathUtils.lerp(270, 135f, mProgress);
    } else {
        canvasRotate = MathUtils.lerp(0f, 135f, mProgress);
    }

    canvas.save();
    canvas.translate(bounds.centerX(), bounds.centerY());
    canvas.rotate(canvasRotate);
    canvas.drawPath(mPath, mPaint);
    canvas.restore();
}

源代码2 项目： dynamic-support 文件： DynamicPageIndicator.java

private void drawUnselected(Canvas canvas) {
    combinedUnselectedPath.rewind();

    // draw any settled, revealing or joining dots
    for (int page = 0; page < pageCount; page++) {
        int nextXIndex = page == pageCount - 1 ? page : page + 1;
        Path unselectedPath = getUnselectedPath(page,
                dotCenterX[page],
                dotCenterX[nextXIndex],
                page == pageCount - 1 ? INVALID_FRACTION : joiningFractions[page],
                dotRevealFractions[page]);
        unselectedPath.addPath(combinedUnselectedPath);
        combinedUnselectedPath.addPath(unselectedPath);
    }
    // draw any retreating joins
    if (retreatingJoinX1 != INVALID_FRACTION) {
        Path retreatingJoinPath = getRetreatingJoinPath();
        combinedUnselectedPath.addPath(retreatingJoinPath);
    }

    canvas.drawPath(combinedUnselectedPath, unselectedPaint);
}

源代码3 项目： NetKnight 文件： XAxisRenderer.java

public void renderLimitLineLine(Canvas c, LimitLine limitLine, float[] position)
{
    mLimitLineSegmentsBuffer[0] = position[0];
    mLimitLineSegmentsBuffer[1] = mViewPortHandler.contentTop();
    mLimitLineSegmentsBuffer[2] = position[0];
    mLimitLineSegmentsBuffer[3] = mViewPortHandler.contentBottom();

    mLimitLinePath.reset();
    mLimitLinePath.moveTo(mLimitLineSegmentsBuffer[0], mLimitLineSegmentsBuffer[1]);
    mLimitLinePath.lineTo(mLimitLineSegmentsBuffer[2], mLimitLineSegmentsBuffer[3]);

    mLimitLinePaint.setStyle(Paint.Style.STROKE);
    mLimitLinePaint.setColor(limitLine.getLineColor());
    mLimitLinePaint.setStrokeWidth(limitLine.getLineWidth());
    mLimitLinePaint.setPathEffect(limitLine.getDashPathEffect());

    c.drawPath(mLimitLinePath, mLimitLinePaint);
}

源代码4 项目： zone-sdk 文件： XfermodeView2.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    Canvas canvas2 = new Canvas();
    //画黄色的圆 满屏幕那种 bitmap
    Bitmap bt = Bitmap.createBitmap(getWidth(), getHeight(), Bitmap.Config.ARGB_4444);
    canvas2.setBitmap(bt);
    //1:绘制红色的矩形
    paint.setColor(Color.RED);
    canvas2.drawRect(getWidth() / 2 - 200, getHeight() / 2 - 200, getWidth() / 2 + 200, getHeight() / 2 + 300, paint);
    //2:saveLayer
    canvas2.saveLayer(0, 0, getWidth(), getHeight(), paint,
            Canvas.ALL_SAVE_FLAG);
    //3:绘制黄色的圆
    paint.setColor(Color.YELLOW);
    canvas2.drawCircle(getWidth() / 2, getHeight() / 2, 200, paint);

    //4:用我的工具类进行 matte
    Matrix mar = new Matrix();
    mar.postTranslate(-100, 0);
    paint.setColor(Color.BLUE);
    MatteUtils.setMatte(canvas2, new Circle(getWidth() / 2 + 200, getHeight() / 2 + 200, 200F).getPath()
            , mar, paint, PorterDuff.Mode.SRC_OUT);

    //5:绘制个浅蓝色的圆看看 上面的工具类对此有影响不
    Circle topCircle = new Circle(getWidth() / 2 + 200, getHeight() / 2 + 200, 100F);
    paint.setColor(Color.CYAN);
    canvas2.drawPath(topCircle.getPath(), paint);
    canvas2.restore();//画布提交  对应上面的 保存图层,不然会显示不出来 saveLayer的那层画面;

    canvas.drawBitmap(bt, 0, 0, paint);
}

源代码5 项目： ProjectX 文件： AnimationLayout.java

private void drawLeftBottomElevation(Canvas canvas) {
    canvas.save();
    canvas.translate(mBound.left + mCornerRadius, mBound.bottom - mCornerRadius);
    canvas.rotate(90);
    mPaint.setShader(mElevationCornerShader);
    canvas.drawPath(mElevationCorner, mPaint);
    canvas.restore();
}

源代码6 项目： ExpandMenu 文件： HorizontalExpandMenu.java

/**
 * 绘制右边的按钮
 * @param canvas
 */
private void drawRightIcon(Canvas canvas){
    path.reset();
    path.moveTo(rightButtonCenter.x- buttonIconSize, rightButtonCenter.y);
    path.lineTo(rightButtonCenter.x+ buttonIconSize, rightButtonCenter.y);
    canvas.drawPath(path, buttonIconPaint);//划横线

    canvas.save();
    canvas.rotate(buttonIconDegrees, rightButtonCenter.x, rightButtonCenter.y);//旋转画布，让竖线可以随角度旋转
    path.reset();
    path.moveTo(rightButtonCenter.x, rightButtonCenter.y- buttonIconSize);
    path.lineTo(rightButtonCenter.x, rightButtonCenter.y+ buttonIconSize);
    canvas.drawPath(path, buttonIconPaint);//画竖线
    canvas.restore();
}

源代码7 项目： RoundedUI 文件： RoundedUI.java

private void clipRightUp(Canvas canvas) {
    int width = getWidth();

    Path path = new Path();
    path.moveTo(width, roundHeight);
    path.lineTo(width, 0);
    path.lineTo(width-roundWidth, 0);
    RectF arc = new RectF(width - roundWidth * 2, 0, width, roundHeight * 2);
    float startAngle=-90;
    float sweepAngle=90;
    path.arcTo(arc, startAngle, sweepAngle);
    path.close();
    canvas.drawPath(path, paint);
}

源代码8 项目： MDPreference 文件： DividerDrawable.java

@Override
public void draw(Canvas canvas) {
       if(mHeight == 0)
           return;

	Rect bounds = getBounds();
	float y = bounds.bottom - mHeight / 2;

	if(!isRunning()){
		mPath.reset();
		mPath.moveTo(bounds.left + mPaddingLeft, y);
		mPath.lineTo(bounds.right - mPaddingRight, y);
		mPaint.setPathEffect(mEnable ? null : getPathEffect());
		mPaint.setColor(mCurColor);
		canvas.drawPath(mPath, mPaint);
	}
	else{
           float centerX = (bounds.right + bounds.left - mPaddingRight + mPaddingLeft) / 2f;
		float start = centerX * (1f - mAnimProgress) + (bounds.left + mPaddingLeft) * mAnimProgress;
		float end = centerX * (1f - mAnimProgress) + (bounds.right + mPaddingRight) * mAnimProgress;
		
		mPaint.setPathEffect(null);
		
		if(mAnimProgress < 1f){
			mPaint.setColor(mPrevColor);				
			mPath.reset();
			mPath.moveTo(bounds.left + mPaddingLeft, y);
			mPath.lineTo(start, y);
			mPath.moveTo(bounds.right - mPaddingRight, y);
			mPath.lineTo(end, y);				
			canvas.drawPath(mPath, mPaint);
		}
		
		mPaint.setColor(mCurColor);
		mPath.reset();
		mPath.moveTo(start, y);
		mPath.lineTo(end, y);
		canvas.drawPath(mPath, mPaint);
	}
}

源代码9 项目： Noyze 文件： CircularProgressBarDrawable.java

@Override
public void draw(Canvas canvas) {
    if (!ensureValidRect()) {
        // nothing to draw
        return;
    }

    // remember the alpha values, in case we temporarily overwrite them
    // when we modulate them with mAlpha
    final int prevFillAlpha = mFillPaint.getAlpha();

    // compute the modulate alpha values
    final int currFillAlpha = modulateAlpha(prevFillAlpha);

    final CircularProgressBarState st = mCircularProgressBarState;

    /*  Drawing with a layer is slower than direct drawing, but it
        allows us to apply paint effects like alpha and colorfilter to
        the result of multiple separate draws. In our case, if the user
        asks for a non-opaque alpha value (via setAlpha), and we're
        stroking, then we need to apply the alpha AFTER we've drawn
        both the fill and the stroke.
    */
    /*  since we're not using a layer, apply the dither/filter to our
        individual paints
    */

    mFillPaint.setAlpha(currFillAlpha);
    mFillPaint.setColorFilter(mColorFilter);
    if (mColorFilter != null && !mCircularProgressBarState.mHasSolidColor) {
        mFillPaint.setColor(mAlpha << 24);
    }

    Path path = buildRing(st);
    canvas.drawPath(path, mFillPaint);

    mFillPaint.setAlpha(prevFillAlpha);
}

源代码10 项目： Telegram 文件： BotHelpCell.java

@Override
protected void onDraw(Canvas canvas) {
    int x = (getWidth() - width) / 2;
    int y = AndroidUtilities.dp(2);
    Drawable shadowDrawable = Theme.chat_msgInMediaDrawable.getShadowDrawable();
    if (shadowDrawable != null) {
        shadowDrawable.setBounds(x, y, width + x, height + y);
        shadowDrawable.draw(canvas);
    }
    int h = AndroidUtilities.displaySize.y;
    if (getParent() instanceof View) {
        View view = (View) getParent();
        h = view.getMeasuredHeight();
    }
    Theme.chat_msgInMediaDrawable.setTop((int) getY(), h, false, false);
    Theme.chat_msgInMediaDrawable.setBounds(x, y, width + x, height + y);
    Theme.chat_msgInMediaDrawable.draw(canvas);
    Theme.chat_msgTextPaint.setColor(Theme.getColor(Theme.key_chat_messageTextIn));
    Theme.chat_msgTextPaint.linkColor = Theme.getColor(Theme.key_chat_messageLinkIn);
    canvas.save();
    canvas.translate(textX = AndroidUtilities.dp(2 + 9) + x, textY = AndroidUtilities.dp(2 + 9) + y);
    if (pressedLink != null) {
        canvas.drawPath(urlPath, Theme.chat_urlPaint);
    }
    if (textLayout != null) {
        textLayout.draw(canvas);
    }
    canvas.restore();
    wasDraw = true;
}

源代码11 项目： CrawlerForReader 文件： BookPageView.java

private void drawPathBContentBitmap(Bitmap bitmap, Paint pathPaint) {
    Canvas mCanvas = new Canvas(bitmap);
    //下面开始绘制区域内的内容...
    mCanvas.drawPath(getPathDefault(), pathPaint);
    mCanvas.drawText("这是在B区域的内容...BBBB", viewWidth - 260, viewHeight - 100, textPaint);

    //结束绘制区域内的内容...
}

源代码12 项目： X-Alarm 文件： Wave.java

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

    canvas.drawPath(mBlowWavePath, mBlowWavePaint);
    canvas.drawPath(mAboveWavePath, mAboveWavePaint);
}

源代码13 项目： property-animation-bessel 文件： LandscapeBezierCurveView.java

public void onDraw(Canvas canvas) {
    canvas.drawColor(Color.TRANSPARENT);
    mPath.reset();
    mPath.moveTo(mWidth, mHeight);        //开始起点
    mPath.quadTo(mWidth / 2 + 600, mHeight / 2 - 300, mWidth / 2, mHeight / 2);    // 控制点、终点
    canvas.drawPath(mPath, mPaint);
}

源代码14 项目： Carbon 文件： MotionLayout.java

private void drawStroke(Canvas canvas) {
    strokePaint.setStrokeWidth(strokeWidth * 2);
    strokePaint.setColor(stroke.getColorForState(getDrawableState(), stroke.getDefaultColor()));
    cornersMask.setFillType(Path.FillType.WINDING);
    canvas.drawPath(cornersMask, strokePaint);
}

源代码15 项目： LChart 文件： YAxisRender.java

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

    List<WarnLine> warnLines = _Axis.getListWarnLins();
    if (warnLines == null) {
        return;
    }

    canvas.save();
    canvas.clipRect(_rectMain);

    for (WarnLine warnLine : warnLines) {
        if (warnLine.isEnable()) {
            double value = warnLine.getValue();

            SingleF_XY xy = _MappingManager.getPxByValue(0, value);
            float y = xy.getY();

            if (y < _rectMain.top || y > _rectMain.bottom) {
                continue;
            }

            _PaintWarnText.setColor(warnLine.getWarnColor());
            _PaintWarnText.setStrokeWidth(warnLine.getWarnLineWidth());
            _PaintWarnText.setTextSize(warnLine.getTxtSize());

            _PaintWarnPath.setColor(warnLine.getWarnColor());
            _PaintWarnPath.setStrokeWidth(warnLine.getWarnLineWidth());

            _PathWarn.reset();
            _PathWarn.moveTo(_rectMain.left, y);
            _PathWarn.lineTo(_rectMain.right, y);

            canvas.drawPath(_PathWarn, _PaintWarnPath);

            float txtHeight = Utils.textHeight(_PaintWarnText);
            canvas.drawText(value + "", _rectMain.left + 10, y - txtHeight, _PaintWarnText);
        }
    }

    canvas.restore();
}

源代码16 项目： XCL-Charts 文件： Bar3D.java

/**
  * 横向3D柱形图
  * @param barLeft	左边X坐标
  * @param barTop	顶部Y坐标
  * @param barRight	右边X坐标
  * @param barBottom	底部Y坐标
  * @param color	柱形颜色
  * @param canvas	画布
  */
 public void renderHorizontal3DBar(float barLeft,float barTop,
		  float barRight,float barBottom,
		  int color,
		  Canvas canvas)
{
	 if(Float.compare(barTop, barBottom) == 0)return;		 
	 
	//浅色
	int lightColor =  DrawHelper.getInstance().getLightColor(color,mAlpha);
	
	getBarPaint().setColor(color);		
	mPaint3D.setColor(lightColor);
	
	//水平偏移量
	float offsetX = (float) getOffsetX();
	//垂直偏移量
	float offsetY= (float) getOffsetY();
	
	//Shadow
	float barLeft2 = MathHelper.getInstance().sub(barLeft , offsetX);
	float barTop2 = MathHelper.getInstance().add(barTop , offsetY);
	float barRight2 = MathHelper.getInstance().sub(barRight , offsetX) ;
	float barBottom2 = MathHelper.getInstance().add(barBottom, offsetY) ;	
	
	//右侧边 浅色
	mPathRectangle2D.reset();
	mPathRectangle2D.moveTo(barRight, barTop); 
	mPathRectangle2D.lineTo(barRight, barBottom); 
	mPathRectangle2D.lineTo(barRight2, barBottom2); 
	mPathRectangle2D.lineTo(barRight2, barTop2); 					
	mPathRectangle2D.close();		
	canvas.drawPath(mPathRectangle2D,mPaint3D); 	
	
	//正面	
	canvas.drawRect(barLeft2, barTop2, barRight2, barBottom2, mPaint3D);
	
	//顶
	mPathRectangle2D.reset();		
	mPathRectangle2D.moveTo(barLeft, barTop); 
	mPathRectangle2D.lineTo(barLeft2, barTop2); 
	mPathRectangle2D.lineTo(barRight2, barTop2 );
	mPathRectangle2D.lineTo(barRight, barTop );
	mPathRectangle2D.close();
	canvas.drawPath(mPathRectangle2D,getBarPaint()); 		

	//轮廓线
	mPaintLine.reset();
	mPaintLine.setColor(Color.WHITE);
	mPaintLine.setStyle(Style.STROKE);		
	canvas.drawLine( barLeft2,  barTop2, barRight2, barTop2, mPaintLine);
	canvas.drawLine( barRight2, barTop2, barRight2, barBottom2,mPaintLine);		
	canvas.drawLine( barRight, barTop, barRight2,barTop2,mPaintLine);   	
}

源代码17 项目： Android-Music-Player 文件： prevBtnImg.java

public void draw(Canvas canvas) {
    canvas.drawPath(S0, P0);
    canvas.drawPath(S1, P1);
    canvas.drawPath(S2, P2);
}

源代码18 项目： EhViewer 文件： RoundSideRectDrawable.java

@Override
public void draw(Canvas canvas) {
    canvas.drawPath(mPath, mPaint);
}

源代码19 项目： MaterialCalendar 文件： CloudRainView.java

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

    // set canvas background color
    canvas.drawColor(bgColor);
    if (count > 360) {
        count = count % 360;
    } else {
        count += 15;
    }


    dRain += 5;
    dRain %= 100;

    dy = centerY + 20;

    if (drop1) {
        dx = centerX - 20;
        if (dRain == 95) {
            drop2 = true;
            drop1 = false;
        }
    } else if (drop2) {
        dx = centerX;
        if (dRain == 95) {
            drop3 = true;
            drop2 = false;
        }
    } else if (drop3) {
        dx = centerX + 20;
        if (dRain == 95) {
            drop1 = true;
            drop3 = false;
        }
    }

    mRainPath.reset();
    mRainPath.moveTo(dx, dy);
    mRainPath.addArc(new RectF(dx - 5, dy - 5 + dRain, dx + 5, dy + 5 + dRain), 180, -180);
    mRainPath.lineTo(dx, dy - 10 + dRain);
    mRainPath.close();

    mPaint.setStyle(Paint.Style.FILL_AND_STROKE);
    canvas.drawPath(mRainPath, mPaint);


    // drawing cloud with fill
    mPaint.setColor(bgColor);
    mPaint.setStyle(Paint.Style.FILL);
    canvas.drawPath(cloud.getCloud(centerX, centerY, (int) width, count), mPaint);

    // mPaint cloud with stroke
    mPaint.setColor(strokeColor);
    mPaint.setStyle(Paint.Style.STROKE);
    canvas.drawPath(cloud.getCloud(centerX, centerY, (int) width, count), mPaint);

    if (!isStatic) {
        postInvalidateDelayed(33);
    }

}

源代码20 项目： Android-Music-Player 文件： itemMenu.java

public void draw(Canvas canvas) {
 			if(drawing){
				canvas.drawPath(S0, P0);
				canvas.drawPath(S1, P1);
				canvas.drawPath(S2, P2);
				canvas.drawPath(S3, P3);
				canvas.drawPath(S4, P4);
			}
		}