@Override
public Surface drawLine(float x0, float y0, float x1, float y1, float width) {
canvas.save();
canvas.setStrokeWidth(width);
canvas.drawLine(x0, y0, x1, y1);
canvas.restore();
return this;
}
/**
* 画X，Y轴和边框
*
* @param canvas
*/
private void drawAxesLine(Canvas canvas) {
XYpaint = new Paint();
XYpaint.setColor(axesLineColor);
XYpaint.setAntiAlias(true);
XYpaint.setStyle(Style.FILL_AND_STROKE);
XYpaint.setStrokeWidth(chartFrameLineSize);
// 左侧Y轴
canvas.drawLine(
leftPadding + yTextWidth,
topPadding + topTextHeight,
leftPadding + yTextWidth,
height - bottomPadding - xTextHeight,
XYpaint);
// 三角箭头
Path yTriangle = new Path();
yTriangle.moveTo(leftPadding + yTextWidth - 10, topPadding + topTextHeight);
yTriangle.lineTo(leftPadding + yTextWidth, topPadding + topTextHeight - 20);
yTriangle.lineTo(leftPadding + yTextWidth + 10, topPadding + topTextHeight);
yTriangle.close();
canvas.drawPath(yTriangle, XYpaint);
// 下方X轴
canvas.drawLine(
leftPadding + yTextWidth,
height - bottomPadding - xTextHeight,
width - rightPadding,
height - bottomPadding - xTextHeight,
XYpaint);
// 三角箭头
Path xTriangle = new Path();
xTriangle.moveTo(width - rightPadding, height - bottomPadding - xTextHeight + 10);
xTriangle.lineTo(width - rightPadding + 15, height - bottomPadding - xTextHeight);
xTriangle.lineTo(width - rightPadding, height - bottomPadding - xTextHeight - 10);
xTriangle.close();
canvas.drawPath(xTriangle, XYpaint);
// 上方封顶
// canvas.drawLine(leftPadding + xTextHeight, topPadding + topTextHeight, width - rightPadding,
// topPadding + topTextHeight, XYpaint);
// 右侧封边
// canvas.drawLine(width - rightPadding, topPadding + topTextHeight, width - rightPadding,
// height - bottomPadding - xTextHeight, XYpaint);
}
private void drawBackGroudImageOnGivenCanvas(Canvas canvas) {
canvas.drawBitmap(dataHolder.getBackgroundImage(), 0, 0, null);
dataHolder.getLightPaint().setColor(Color.rgb(0x83, 0x83, 0x83));
dataHolder.getDarkPaint().setColor(Color.rgb(0x3b, 0x3b, 0x3b));
final int cellSize = dataHolder.getCellSize();
final int sizeY = dataHolder.getGameEngine().getGameField().getSizeY();
final int sizeX = dataHolder.getGameEngine().getGameField().getSizeX();
for (int i = 1; i < sizeX; i++) {
canvas.drawLine(
i * cellSize - 1, 0, i * cellSize - 1, sizeY * cellSize, dataHolder.getLightPaint());
canvas.drawLine(i * cellSize, 0, i * cellSize, sizeY * cellSize, dataHolder.getDarkPaint());
}
for (int i = 1; i < sizeY; i++) {
canvas.drawLine(0, i * cellSize, sizeX * cellSize, i * cellSize, dataHolder.getDarkPaint());
canvas.drawLine(
0, i * cellSize + 1, sizeX * cellSize, i * cellSize + 1, dataHolder.getLightPaint());
}
}
public void draw(Canvas canvas, MapView mapview, boolean flag) {
Projection projection = mapview.getProjection();
Paint paint = new Paint();
Point point = new Point();
projection.toPixels(gp1, point);
paint.setColor(color);
Point point1 = new Point();
projection.toPixels(gp2, point1);
paint.setStrokeWidth(5F);
paint.setAlpha(120);
canvas.drawLine(point.x, point.y, point1.x, point1.y, paint);
super.draw(canvas, mapview, flag);
}
/**
* Draw the vertical line of the stem
*
* @param ytop The y location (in pixels) where the top of the staff starts.
* @param topstaff The note at the top of the staff.
*/
private void DrawVerticalLine(Canvas canvas, Paint paint, int ytop, WhiteNote topstaff) {
int xstart;
if (side == LeftSide) xstart = SheetMusic.LineSpace / 4 + 1;
else xstart = SheetMusic.LineSpace / 4 + SheetMusic.NoteWidth;
if (direction == Up) {
int y1 = ytop + topstaff.Dist(bottom) * SheetMusic.NoteHeight / 2 + SheetMusic.NoteHeight / 4;
int ystem = ytop + topstaff.Dist(end) * SheetMusic.NoteHeight / 2;
canvas.drawLine(xstart, y1, xstart, ystem, paint);
} else if (direction == Down) {
int y1 = ytop + topstaff.Dist(top) * SheetMusic.NoteHeight / 2 + SheetMusic.NoteHeight;
if (side == LeftSide) y1 = y1 - SheetMusic.NoteHeight / 4;
else y1 = y1 - SheetMusic.NoteHeight / 2;
int ystem = ytop + topstaff.Dist(end) * SheetMusic.NoteHeight / 2 + SheetMusic.NoteHeight;
canvas.drawLine(xstart, y1, xstart, ystem, paint);
}
}
private void draw() {
Canvas canvas = view.getBackground();
canvas.setColor(Color.BLUE);
canvas.setAntiAliasing(true);
canvas.fill();
canvas.setColor(Color.WHITE);
canvas.drawCircle(0, 0, 1);
canvas.drawEllipse(0, 0, 3, 2);
canvas.setTextSize(20);
canvas.drawText(3, 3, "Scale=" + view.getScale());
canvas.drawRectangle(2, 2, 4, 4);
canvas.drawImage(2, 2, new Image("res:drawable/spain.jpg"));
canvas.drawImage(2, 2, Image.JEDA_LOGO_64x64);
canvas.drawLine(1, 1, 3, 1);
}
/**
* 背景画网格的横线
*
* @param canvas
*/
private void drawGridLine(Canvas canvas) {
Paint paint = new Paint();
paint.setColor(gridLineColor);
paint.setAntiAlias(true);
paint.setStyle(Style.STROKE);
paint.setStrokeWidth(gridLineSize);
paint.setPathEffect(new DashPathEffect(new float[] {10, 20}, 0));
for (int i = 1; i <= yNum; i++) {
// 画网格的横线
canvas.drawLine(
leftPadding + yTextWidth,
height - bottomPadding - xTextHeight - (spaceYLength * i),
width - rightPadding,
height - bottomPadding - xTextHeight - (spaceYLength * i),
paint);
}
}
@Override
public void onDraw(Canvas canvas) {
if (layoutInfo == null) layoutInfo = layout();
float width = containerView.getWidth();
float margin = 10f;
canvas.save();
canvas.translate(width - layoutInfo.frame.width() - margin, margin);
// draw background
canvas.drawRect(layoutInfo.frame, backgroundPaint);
canvas.drawRect(layoutInfo.frame, borderPaint);
// draw markers
float x = layoutInfo.getMarkerX();
float lineLeft = layoutInfo.getMarkerLineLeft();
float lineRight = layoutInfo.getMarkerLineRight();
for (int i = 0; i < entryList.size(); i++) {
Entry entry = entryList.get(i);
float y = layoutInfo.margin + (layoutInfo.labelHeight + layoutInfo.labelSpacing) * (0.5f + i);
canvas.drawLine(lineLeft, y, lineRight, y, entry.getPainter().getDrawConfig().getLinePaint());
tempPoint.set(x, y);
IPointRenderer pointRenderer = entry.painter.getPointRenderer();
pointRenderer.drawPoint(canvas, tempPoint, entry.painter.getDrawConfig());
}
// draw labels
x = layoutInfo.getLabelStartX();
for (int i = 0; i < entryList.size(); i++) {
Entry entry = entryList.get(i);
float y =
layoutInfo.margin
+ (layoutInfo.labelHeight + layoutInfo.labelSpacing) * i
+ layoutInfo.labelHeight;
canvas.drawText(entry.getLabel(), x, y, labelPaint);
}
canvas.restore();
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawLine(mTextX, mPointerY, mPointerX, mPointerY, mTextPaint);
canvas.drawCircle(mPointerX, mPointerY, mPointerRadius, mTextPaint);
}
@Override
public void drawLine(int x, int y, int x2, int y2, int color) {
paint.setColor(color);
canvas.drawLine(x, y, x2, y2, paint);
}
/* Draw a horizontal beam stem, connecting this stem with the Stem pair.
* @param ytop The y location (in pixels) where the top of the staff starts.
* @param topstaff The note at the top of the staff.
*/
private void DrawHorizBarStem(Canvas canvas, Paint paint, int ytop, WhiteNote topstaff) {
paint.setStrokeWidth(SheetMusic.NoteHeight / 2);
paint.setStrokeCap(Paint.Cap.BUTT);
int xstart = 0;
int xstart2 = 0;
if (side == LeftSide) xstart = SheetMusic.LineSpace / 4 + 1;
else if (side == RightSide) xstart = SheetMusic.LineSpace / 4 + SheetMusic.NoteWidth;
if (pair.side == LeftSide) xstart2 = SheetMusic.LineSpace / 4 + 1;
else if (pair.side == RightSide) xstart2 = SheetMusic.LineSpace / 4 + SheetMusic.NoteWidth;
if (direction == Up) {
int xend = width_to_pair + xstart2;
int ystart = ytop + topstaff.Dist(end) * SheetMusic.NoteHeight / 2;
int yend = ytop + topstaff.Dist(pair.end) * SheetMusic.NoteHeight / 2;
if (duration == NoteDuration.Eighth
|| duration == NoteDuration.DottedEighth
|| duration == NoteDuration.Triplet
|| duration == NoteDuration.Sixteenth
|| duration == NoteDuration.ThirtySecond) {
canvas.drawLine(xstart, ystart, xend, yend, paint);
}
ystart += SheetMusic.NoteHeight;
yend += SheetMusic.NoteHeight;
/* A dotted eighth will connect to a 16th note. */
if (duration == NoteDuration.DottedEighth) {
int x = xend - SheetMusic.NoteHeight;
double slope = (yend - ystart) * 1.0 / (xend - xstart);
int y = (int) (slope * (x - xend) + yend);
canvas.drawLine(x, y, xend, yend, paint);
}
if (duration == NoteDuration.Sixteenth || duration == NoteDuration.ThirtySecond) {
canvas.drawLine(xstart, ystart, xend, yend, paint);
}
ystart += SheetMusic.NoteHeight;
yend += SheetMusic.NoteHeight;
if (duration == NoteDuration.ThirtySecond) {
canvas.drawLine(xstart, ystart, xend, yend, paint);
}
} else {
int xend = width_to_pair + xstart2;
int ystart = ytop + topstaff.Dist(end) * SheetMusic.NoteHeight / 2 + SheetMusic.NoteHeight;
int yend = ytop + topstaff.Dist(pair.end) * SheetMusic.NoteHeight / 2 + SheetMusic.NoteHeight;
if (duration == NoteDuration.Eighth
|| duration == NoteDuration.DottedEighth
|| duration == NoteDuration.Triplet
|| duration == NoteDuration.Sixteenth
|| duration == NoteDuration.ThirtySecond) {
canvas.drawLine(xstart, ystart, xend, yend, paint);
}
ystart -= SheetMusic.NoteHeight;
yend -= SheetMusic.NoteHeight;
/* A dotted eighth will connect to a 16th note. */
if (duration == NoteDuration.DottedEighth) {
int x = xend - SheetMusic.NoteHeight;
double slope = (yend - ystart) * 1.0 / (xend - xstart);
int y = (int) (slope * (x - xend) + yend);
canvas.drawLine(x, y, xend, yend, paint);
}
if (duration == NoteDuration.Sixteenth || duration == NoteDuration.ThirtySecond) {
canvas.drawLine(xstart, ystart, xend, yend, paint);
}
ystart -= SheetMusic.NoteHeight;
yend -= SheetMusic.NoteHeight;
if (duration == NoteDuration.ThirtySecond) {
canvas.drawLine(xstart, ystart, xend, yend, paint);
}
}
paint.setStrokeWidth(1);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
// draw border
mPlotPaint.setStyle(Paint.Style.STROKE);
mPlotPaint.setColor(Color.BLACK);
canvas.drawRect(mPlotBounds, mPlotPaint);
// draw grid
mPlotPaint.setColor(gridColor);
// x grid
if (xTicks != null) {
for (float tick : xTicks) {
int x = calcX(tick);
canvas.drawLine(x, mPlotBounds.bottom, x, mPlotBounds.top, mPlotPaint);
}
}
if (yTicks != null) {
for (float tick : yTicks) {
int y = calcY(tick);
canvas.drawLine(mPlotBounds.left, y, mPlotBounds.right, y, mPlotPaint);
}
}
/* *************************
* draw the data
***************************/
for (Seria s : mData) {
stroke(s, canvas);
}
// draw rectangles that hide out of bounds lines
mPlotPaint.setStyle(Style.FILL);
mPlotPaint.setColor(Color.WHITE);
// left
canvas.drawRect(0, 0, mPlotBounds.left, this.getBottom(), mPlotPaint);
// bottom
canvas.drawRect(0, mPlotBounds.bottom + 1, this.getRight(), this.getBottom(), mPlotPaint);
// right
canvas.drawRect(mPlotBounds.right + 1, 0, this.getRight(), this.getBottom(), mPlotPaint);
// top
canvas.drawRect(0, 0, this.getRight(), mPlotBounds.top, mPlotPaint);
// x ticks
mPlotPaint.setStyle(Paint.Style.STROKE);
mPlotPaint.setTextAlign(Align.CENTER);
mPlotPaint.setTextSize(xTickTextHeight);
mPlotPaint.setColor(xTickColor);
if (xTicks != null) {
for (float tick : xTicks) {
textFigure(
xTickFormat.format(tick).toString(),
calcX(tick),
mPlotBounds.bottom + xTickTextHeight,
canvas);
}
}
mPlotPaint.setTextSize(labelTextHeight);
mPlotPaint.setTextAlign(Align.RIGHT);
if (labelX != null) {
textFigure(labelX, mPlotBounds.right, mPlotBounds.bottom + axisXSpacing, canvas);
}
// y ticks
mPlotPaint.setTextAlign(Align.CENTER);
mPlotPaint.setTextSize(yTickTextHeight);
mPlotPaint.setColor(yTickColor);
if (yTicks != null) {
for (float tick : yTicks) {
textFigure(
yTickFormat.format(tick).toString(),
mPlotBounds.left - yTickTextHeight,
calcY(tick),
90,
canvas);
}
}
mPlotPaint.setTextSize(labelTextHeight);
mPlotPaint.setTextAlign(Align.RIGHT);
if (labelX != null) {
textFigure(labelX, mPlotBounds.right, mPlotBounds.bottom + axisXSpacing, canvas);
}
mPlotPaint.setTextAlign(Align.LEFT);
if (labelY != null) {
textFigure(labelY, mPlotBounds.left - axisYSpacing, mPlotBounds.top, 90, canvas);
}
}
@Override
public void startElement(String namespaceURI, String localName, String qName, Attributes atts)
throws SAXException {
// Reset paint opacity
paint.setAlpha(255);
// Ignore everything but rectangles in bounds mode
if (boundsMode) {
if (localName.equals("rect")) {
Float x = getFloatAttr("x", atts);
if (x == null) {
x = 0f;
}
Float y = getFloatAttr("y", atts);
if (y == null) {
y = 0f;
}
Float width = getFloatAttr("width", atts);
Float height = getFloatAttr("height", atts);
bounds = new RectF(x, y, x + width, y + height);
}
return;
}
if (localName.equals("svg")) {
int width = (int) Math.ceil(getFloatAttr("width", atts));
int height = (int) Math.ceil(getFloatAttr("height", atts));
canvas = picture.beginRecording(width, height);
} else if (localName.equals("defs")) {
// Ignore
} else if (localName.equals("linearGradient")) {
gradient = doGradient(true, atts);
} else if (localName.equals("radialGradient")) {
gradient = doGradient(false, atts);
} else if (localName.equals("stop")) {
if (gradient != null) {
float offset = getFloatAttr("offset", atts);
String styles = getStringAttr("style", atts);
StyleSet styleSet = new StyleSet(styles);
String colorStyle = styleSet.getStyle("stop-color");
int color = Color.BLACK;
if (colorStyle != null) {
if (colorStyle.startsWith("#")) {
color = Integer.parseInt(colorStyle.substring(1), 16);
} else {
color = Integer.parseInt(colorStyle, 16);
}
}
String opacityStyle = styleSet.getStyle("stop-opacity");
if (opacityStyle != null) {
float alpha = Float.parseFloat(opacityStyle);
int alphaInt = Math.round(255 * alpha);
color |= (alphaInt << 24);
} else {
color |= 0xFF000000;
}
gradient.positions.add(offset);
gradient.colors.add(color);
}
} else if (localName.equals("g")) {
// Check to see if this is the "bounds" layer
if ("bounds".equalsIgnoreCase(getStringAttr("id", atts))) {
boundsMode = true;
}
if (hidden) {
hiddenLevel++;
// Util.debug("Hidden up: " + hiddenLevel);
}
// Go in to hidden mode if display is "none"
if ("none".equals(getStringAttr("display", atts))) {
if (!hidden) {
hidden = true;
hiddenLevel = 1;
// Util.debug("Hidden up: " + hiddenLevel);
}
}
pushTransform(atts);
} else if (!hidden && localName.equals("rect")) {
Float x = getFloatAttr("x", atts);
if (x == null) {
x = 0f;
}
Float y = getFloatAttr("y", atts);
if (y == null) {
y = 0f;
}
Float width = getFloatAttr("width", atts);
Float height = getFloatAttr("height", atts);
Float rx = getFloatAttr("rx", atts);
Float ry = getFloatAttr("ry", atts);
if (rx == null) {
if (ry == null) rx = ry = 0f;
else rx = ry;
} else {
if (ry == null) ry = rx;
}
if (rx > width / 2) rx = width * 0.5f;
if (ry > height / 2) ry = height * 0.5f;
pushTransform(atts);
Properties props = new Properties(atts);
if (doFill(props, gradientMap)) {
doLimits(x, y, width, height);
if (rx > 0 && ry > 0)
canvas.drawRoundRect(new RectF(x, y, x + width, y + height), rx, ry, paint);
else canvas.drawRect(x, y, x + width, y + height, paint);
}
if (doStroke(props, gradientMap)) {
if (rx > 0 && ry > 0)
canvas.drawRoundRect(new RectF(x, y, x + width, y + height), rx, ry, paint);
else canvas.drawRect(x, y, x + width, y + height, paint);
}
popTransform();
} else if (!hidden && localName.equals("line")) {
Float x1 = getFloatAttr("x1", atts);
Float x2 = getFloatAttr("x2", atts);
Float y1 = getFloatAttr("y1", atts);
Float y2 = getFloatAttr("y2", atts);
Properties props = new Properties(atts);
if (doStroke(props, gradientMap)) {
pushTransform(atts);
doLimits(x1, y1);
doLimits(x2, y2);
canvas.drawLine(x1, y1, x2, y2, paint);
popTransform();
}
} else if (!hidden && localName.equals("circle")) {
Float centerX = getFloatAttr("cx", atts);
Float centerY = getFloatAttr("cy", atts);
Float radius = getFloatAttr("r", atts);
if (centerX != null && centerY != null && radius != null) {
pushTransform(atts);
Properties props = new Properties(atts);
if (doFill(props, gradientMap)) {
doLimits(centerX - radius, centerY - radius);
doLimits(centerX + radius, centerY + radius);
canvas.drawCircle(centerX, centerY, radius, paint);
}
if (doStroke(props, gradientMap)) {
canvas.drawCircle(centerX, centerY, radius, paint);
}
popTransform();
}
} else if (!hidden && localName.equals("ellipse")) {
Float centerX = getFloatAttr("cx", atts);
Float centerY = getFloatAttr("cy", atts);
Float radiusX = getFloatAttr("rx", atts);
Float radiusY = getFloatAttr("ry", atts);
if (centerX != null && centerY != null && radiusX != null && radiusY != null) {
pushTransform(atts);
Properties props = new Properties(atts);
rect.set(centerX - radiusX, centerY - radiusY, centerX + radiusX, centerY + radiusY);
if (doFill(props, gradientMap)) {
doLimits(centerX - radiusX, centerY - radiusY);
doLimits(centerX + radiusX, centerY + radiusY);
canvas.drawOval(rect, paint);
}
if (doStroke(props, gradientMap)) {
canvas.drawOval(rect, paint);
}
popTransform();
}
} else if (!hidden && (localName.equals("polygon") || localName.equals("polyline"))) {
NumberParse numbers = getNumberParseAttr("points", atts);
if (numbers != null) {
Path p = new Path();
ArrayList<Float> points = numbers.numbers;
if (points.size() > 1) {
pushTransform(atts);
Properties props = new Properties(atts);
p.moveTo(points.get(0), points.get(1));
for (int i = 2; i < points.size(); i += 2) {
float x = points.get(i);
float y = points.get(i + 1);
p.lineTo(x, y);
}
// Don't close a polyline
if (localName.equals("polygon")) {
p.close();
}
if (doFill(props, gradientMap)) {
doLimits(p);
canvas.drawPath(p, paint);
}
if (doStroke(props, gradientMap)) {
canvas.drawPath(p, paint);
}
popTransform();
}
}
} else if (!hidden && localName.equals("path")) {
Path p = doPath(getStringAttr("d", atts));
pushTransform(atts);
Properties props = new Properties(atts);
if (doFill(props, gradientMap)) {
doLimits(p);
canvas.drawPath(p, paint);
}
if (doStroke(props, gradientMap)) {
canvas.drawPath(p, paint);
}
popTransform();
} else if (!hidden) {
// Log.d(TAG, "UNRECOGNIZED SVG COMMAND: " + localName);
}
}
/**
* 自定义的方法,简单绘制一些基本图形
*
* @param mCanvas 把图形画在mCanvas上
*/
public void canvasMethod(Canvas mCanvas) {
// 创建对应坐标的矩形区域
RectF mArc = new RectF(mX, mY - 70, mX + 50, mY - 20);
// 画填充弧,在矩形区域内,从弧的最右边开始,画270度,然后再通过连接圆心来填充
mCanvas.drawArc(mArc, 0, 270, true, mPaint);
// 获得icon的Bitmap对象
Bitmap mBitmap = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);
// 画图片
mCanvas.drawBitmap(mBitmap, mX, mY, mPaint);
// 画圆,(x轴,y轴,半径,画笔)
mCanvas.drawCircle(mX + 10, mY + 60, 10, mPaint);
// 画一条线,(起点横坐标,起点纵坐标,终点横坐标,终点纵坐标,画笔)
mCanvas.drawLine(mX, mY + 75, mX + 20, mY + 75, mPaint);
// 画多条线,(坐标数组,画笔)坐标数组里每四个值构成一条线
mCanvas.drawLines(
new float[] {mX + 50, mY + 45, mX + 50, mY + 75, mX + 60, mY + 45, mX + 60, mY + 75},
mPaint);
// 创建对应矩形区域
RectF mOval = new RectF(mX, mY + 80, mX + 60, mY + 110);
// 画椭圆
mCanvas.drawOval(mOval, mPaint);
/*
* Paint qPaint = new Paint(); qPaint.setColor(Color.RED);
* mCanvas.drawPaint(qPaint);
*/
// 重置Path里的所有路径
mPath.reset();
// 设置Path的起点
mPath.moveTo(mX, mY + 120);
// 第二个点
mPath.lineTo(screenW - 10, mY + 120);
// 第三个点
mPath.lineTo(screenW - 10, mY + 150);
// 画出路径,这里画的是三角形
mCanvas.drawPath(mPath, mPaint);
// 重置Path里的所有路径
qPath.reset();
// 设置Path的起点
qPath.moveTo(qStartX, qStartY);
// 设置贝塞尔曲线的控制点坐标和终点坐标
qPath.quadTo(qControlX, qCOntrolY, qEndX, qEndY);
// 画出贝塞尔曲线
mCanvas.drawPath(qPath, qPaint);
// 画点
mCanvas.drawPoint(mX, mY + 155, qPaint);
// 画多个点,坐标数组每两个值代表一个点的坐标
mCanvas.drawPoints(new float[] {mX, mY + 160, mX + 5, mY + 160, mX + 5, mY + 160}, qPaint);
// 画矩形
mCanvas.drawRect(mX, mY + 170, mX + 100, mY + 220, mPaint);
// 设置矩形区域
RectF mRect = new RectF(mX, mY + 230, mX + 100, mY + 260);
// 画圆角矩形,这个方法的第二第三个参数在后面有图讲解
mCanvas.drawRoundRect(mRect, 10, 10, mPaint);
// 画文本
mCanvas.drawText("drawText", mX, mY + 290, mPaint);
// 画文本,数组里每两个值代表文本的一个字符的坐标，数组的坐标可以比字符串里的字符多，但不可以少
mCanvas.drawPosText(
"哈哈你好",
new float[] {mX, mY + 310, mX + 20, mY + 310, mX + 40, mY + 310, mX + 60, mY + 310},
mPaint);
// 重置Path
tPath.reset();
// 添加一个圆形路径,坐标,半径,方向(顺时针还是逆时针)
tPath.addCircle(mX + 10, mY + 340, 10, Path.Direction.CW);
// 画出路径
mCanvas.drawPath(tPath, qPaint);
// 把文本画在路径上,但不会画出路径
mCanvas.drawTextOnPath("draw", tPath, 30, 0, mPaint);
}
/**
* 画折线图，网格竖线，X坐标值
*
* @param canvas
*/
private void drawChartLine(Canvas canvas) {
Paint paintChart = new Paint();
paintChart.setColor(chartLineColor);
paintChart.setAntiAlias(true);
paintChart.setStyle(Style.STROKE);
paintChart.setStrokeWidth(chartLineSize);
Paint paintGrid = new Paint();
paintGrid.setColor(gridLineColor);
paintGrid.setAntiAlias(true);
paintGrid.setStyle(Style.STROKE);
paintGrid.setStrokeWidth(gridLineSize);
Paint paintTopText = new Paint();
paintTopText.setColor(axesLineColor);
paintTopText.setAntiAlias(true);
paintTopText.setSubpixelText(true);
paintTopText.setTypeface(Typeface.MONOSPACE);
paintTopText.setTextSize(topTextSize);
paintTopText.setTextAlign(Align.CENTER);
Paint paintBottomText = new Paint();
paintBottomText.setColor(axesLineColor);
paintBottomText.setAntiAlias(true);
paintBottomText.setSubpixelText(true);
paintBottomText.setTypeface(Typeface.MONOSPACE);
paintBottomText.setTextSize(bottomTextSize);
paintBottomText.setTextAlign(Align.CENTER);
Paint paintPoint = new Paint();
paintPoint.setColor(pointColor);
paintPoint.setAntiAlias(true);
paintPoint.setStyle(Style.FILL);
pressedPaint = new Paint();
pressedPaint.setColor(pressedColor);
pressedPaint.setAntiAlias(true);
pressedPaint.setStyle(Style.FILL);
Paint paintShape = new Paint();
paintShape.setStyle(Style.FILL);
paintShape.setColor(shapeColor);
paintShape.setAlpha(shapeAlpha);
if (axesData.size() > 0) {
for (int i = 0; i < axesData.size(); i++) {
if (i < axesData.size() - 1) {
// 画折线
canvas.drawLine(
axesData.get(i).X,
axesData.get(i).Y,
axesData.get(i + 1).X,
axesData.get(i + 1).Y,
paintChart);
if (isShapeShow) {
// 画阴影
Path path = new Path();
path.moveTo(axesData.get(i).X, height - bottomPadding - xTextHeight);
path.lineTo(axesData.get(i).X, axesData.get(i).Y + chartLineSize / 2);
path.lineTo(axesData.get(i + 1).X, axesData.get(i + 1).Y + chartLineSize / 2);
path.lineTo(axesData.get(i + 1).X, height - bottomPadding - xTextHeight);
canvas.drawPath(path, paintShape);
}
}
// 画网格竖线
// canvas.drawLine(axesData.get(i).X, height - bottomPadding - xTextHeight,
// axesData.get(i).X, topPadding + topTextHeight, paintGrid);
// 写X轴坐标的刻度值
if (!TextUtils.isEmpty(axesData.get(i).getxText())) {
setTextSizeForWidth(
paintBottomText, spaceXLength - 10, axesData.get(i).getxText()); // 10为相邻日期文字间隔
canvas.drawText(
axesData.get(i).getxText(),
axesData.get(i).X,
height - bottomPadding - xTextHeight / 2,
paintBottomText);
}
// 写顶部的刻度值
if (!TextUtils.isEmpty(axesData.get(i).getTopText())) {
// 取消了顶部隔年显示的数据
// canvas.drawText(axesData.get(i).getTopText(), axesData.get(i).X, topPadding,
// paintTopText);
}
// 画数据点
if (pointBitmap == null) {
canvas.drawCircle(axesData.get(i).X, axesData.get(i).Y, pointSize + 1, paintChart);
canvas.drawCircle(axesData.get(i).X, axesData.get(i).Y, pointSize, paintPoint);
} else {
Matrix matrix = new Matrix();
canvas.drawBitmap(pointBitmap, matrix, paintPoint);
}
}
// 画最后一个数据的网格竖线
// canvas.drawLine(axesData.get(axesData.size() - 1).X, height - bottomPadding - xTextHeight,
// axesData.get(axesData.size() - 1).X,
// topPadding + topTextHeight, paintGrid);
// 写X轴坐标的最后一个值的刻度值
/*
* canvas.drawText(axesData.get(axesData.size() - 1).X + "",
* axesData.get(axesData.size() - 1).X, height - bottomPadding -
* xTextHeight / 2, paintBottomText);
*/
// 写顶部的最后一个刻度值
// canvas.drawText("2014", axesData.get(axesData.size() - 1).X,
// topPadding, paintTopText);
// 画数最后一个据点
if (pointBitmap == null) {
// canvas.drawCircle(axesData.get(axesData.size() - 1).X,
// axesData.get(axesData.size() - 1).Y, pointSize + 1,
// paintChart);
// canvas.drawCircle(axesData.get(axesData.size() - 1).X,
// axesData.get(axesData.size() - 1).Y, pointSize, paintPoint);
} else {
Matrix matrix = new Matrix();
canvas.drawBitmap(pointBitmap, matrix, paintPoint);
}
}
if (currentPressedPoint != null) {
// canvas.drawCircle(currentPressedPoint.X, currentPressedPoint.Y, pointSize, pressedPaint);
}
}
public void drawLine(int a, int b, int c, int d) {
canvas.drawLine(a, b, c, d, paint);
}
@Override
public void render(MainGamePanel game, Canvas canvas, GameState gameState) {
setzIndex(5);
if (gameState.isStateDefeat()) {
canvas.clipRect(0, 0, canvas.getWidth(), canvas.getHeight(), Region.Op.REPLACE);
int border = canvas.getWidth() / 15;
paint.setTextSize(TextSizeCalculator.getDefaultTextSize(canvas));
paint.setTextAlign(Paint.Align.CENTER);
paint.setAntiAlias(true);
paint.setStrokeWidth(2f);
paint.setColorFilter(MyColors.getFilterGui());
paint.setColor(MyColors.getGuiElementColor());
canvas.drawLine(border, border, canvas.getWidth() - border, border, paint);
canvas.drawLine(border, border, border, canvas.getHeight() - border, paint);
canvas.drawLine(
border,
canvas.getHeight() - border,
canvas.getWidth() - border,
canvas.getHeight() - border,
paint);
canvas.drawLine(
canvas.getWidth() - border,
border,
canvas.getWidth() - border,
canvas.getHeight() - border,
paint);
int headingHeight = TextSizeCalculator.getHeightFromTextSize(paint.getTextSize());
int highScoreTextSize = (int) (TextSizeCalculator.getDefaultTextSize(canvas) * 0.7);
ExtStorage ext =
(ExtStorage) game.getElements().getComponent(Elements.EXTERNAL_STORAGE_PROVIDER);
String heading = "";
String secondaryScoreName = "";
String secondaryScoreShortName = "";
String secondaryScoreValue = "";
int secondaryScoreIntValue = 0;
List<String> highScoreList = null;
// Normal
if (gameState.getPreviousState() == GameState.STATE_GAME) {
heading = "LOL NOOB";
secondaryScoreName = "level";
secondaryScoreShortName = ". level";
// Level value
secondaryScoreIntValue = LevelList.getLevelId() + 1;
secondaryScoreValue = Integer.toString(secondaryScoreIntValue);
if (ext != null) {
highScoreList = ext.getHighScore(ExtStorage.HIGH_SCORE_NORMAL_FILE);
}
// Arcade
} else if (gameState.getPreviousState() == GameState.STATE_ARCADE) {
heading = "NICE TRY!";
secondaryScoreName = "seconds";
secondaryScoreShortName = " sec";
// Seconds value
secondaryScoreIntValue =
(int) ((gameState.getArcadeTimeEnd() - gameState.getArcadeTimeStart()) / 1000.0f);
secondaryScoreValue = Integer.toString(secondaryScoreIntValue);
if (ext != null) {
highScoreList = ext.getHighScore(ExtStorage.HIGH_SCORE_ARCADE_FILE);
}
}
// Heading
paint.setTextAlign(Paint.Align.LEFT);
canvas.drawText(heading, border * 1.5f, border * 2.5f + headingHeight * 0.5f, paint);
paint.setTextAlign(Paint.Align.CENTER);
paint.setTextSize(paint.getTextSize() * 0.9f);
canvas.drawText(secondaryScoreValue, canvas.getWidth() - border * 2.5f, border * 2.7f, paint);
paint.setTextSize(paint.getTextSize() * 0.4f);
canvas.drawText(secondaryScoreName, canvas.getWidth() - border * 2.5f, border * 3.5f, paint);
canvas.drawLine(
canvas.getWidth() - border * 4f,
border,
canvas.getWidth() - border * 4f,
border * 4f,
paint);
// Restore defaults
paint.setTextSize(TextSizeCalculator.getDefaultTextSize(canvas));
paint.setTextAlign(Paint.Align.CENTER);
if (highScoreList != null) {
int lineHeight = TextSizeCalculator.getHeightFromTextSize(highScoreTextSize) * 2;
int left = border;
int right = canvas.getWidth() - border;
int baseTop = border * 4;
int counter = 0;
paint.setColor(MyColors.getGuiElementColor());
paint.setTextSize(highScoreTextSize);
canvas.drawLine(
left, baseTop + (counter * lineHeight), right, baseTop + (counter * lineHeight), paint);
counter++;
canvas.drawText(
"HIGH SCORE",
canvas.getWidth() / 2,
baseTop + (counter * lineHeight) - lineHeight / 4,
paint);
canvas.drawLine(
left, baseTop + (counter * lineHeight), right, baseTop + (counter * lineHeight), paint);
counter++;
for (String score : highScoreList) {
if (score != null && !score.equals("") && score.split("\\|").length == 2) {
canvas.drawLine(
left,
baseTop + (counter * lineHeight),
right,
baseTop + (counter * lineHeight),
paint);
String highScoreValue = score.split("\\|")[0];
String secondaryHighScoreValue = score.split("\\|")[1];
// Arcade
if (gameState.getPreviousState() == GameState.STATE_ARCADE) {
Score scoreComponent = (Score) game.getElements().getComponent(Elements.SCORE);
if (Integer.parseInt(highScoreValue) == scoreComponent.getScore()
&& Integer.parseInt(secondaryHighScoreValue) == secondaryScoreIntValue) {
paint.setColor(MyColors.getGuiNewHighScoreColor());
}
}
// Score values
paint.setTextAlign(Paint.Align.RIGHT);
canvas.drawText(
highScoreValue,
canvas.getWidth() / 2 - border / 2,
baseTop + (counter * lineHeight) - lineHeight / 4,
paint);
canvas.drawText(
secondaryHighScoreValue + secondaryScoreShortName,
canvas.getWidth() - border * 1.5f,
baseTop + (counter * lineHeight) - lineHeight / 4,
paint);
paint.setColor(MyColors.getGuiElementColor());
// Line
canvas.drawLine(
canvas.getWidth() / 2,
baseTop + (counter * lineHeight),
canvas.getWidth() / 2,
baseTop + ((counter - 1) * lineHeight),
paint);
counter++;
}
}
}
paint.setTextAlign(Paint.Align.CENTER);
buttonLeft = 2 * border;
buttonRight = canvas.getWidth() - 2 * border;
buttonRetryTop = canvas.getHeight() - 7 * border;
buttonRetryBottom = canvas.getHeight() - 5 * border;
buttonMainMenuTop = canvas.getHeight() - 4 * border;
buttonMainMenuBottom = canvas.getHeight() - 2 * border;
// Draw buttons
canvas.drawRect(buttonLeft, buttonRetryTop, buttonRight, buttonRetryBottom, paint);
paint.setStyle(Paint.Style.STROKE);
canvas.drawRect(buttonLeft, buttonMainMenuTop, buttonRight, buttonMainMenuBottom, paint);
// Draw button texts
paint.setStyle(Paint.Style.FILL);
paint.setColor(MyColors.getGuiElementTextColor());
int textHeight = TextSizeCalculator.getHeightFromTextSize(highScoreTextSize);
canvas.drawText(
"RETRY",
canvas.getWidth() / 2,
getTextY(buttonRetryTop, buttonRetryBottom, textHeight),
paint);
paint.setColor(MyColors.getGuiElementColor());
canvas.drawText(
"QUIT TO MENU",
canvas.getWidth() / 2,
getTextY(buttonMainMenuTop, buttonMainMenuBottom, textHeight),
paint);
}
}
@Override
protected boolean drawBubble(Canvas canvas) {
if (messageLayout == null) {
requestLayout();
return false;
}
boolean isAnimated = false;
if (messageLayout.isForwarded) {
canvas.drawText("Forwarded message", 0, getPx(16), messageLayout.forwardingPaint);
canvas.drawText("From", 0, getPx(35), messageLayout.forwardingPaint);
canvas.drawText(
messageLayout.forwarderNameMeasured,
messageLayout.forwardOffset,
getPx(35),
messageLayout.senderPaint);
canvas.save();
canvas.translate(0, getPx(19) * 2);
messageLayout.layout.draw(canvas);
canvas.restore();
} else {
if (!messageLayout.isOut & messageLayout.isGroup) {
canvas.drawText(messageLayout.senderNameMeasured, 0, getPx(16), messageLayout.senderPaint);
canvas.save();
canvas.translate(0, getPx(19));
messageLayout.layout.draw(canvas);
canvas.restore();
} else {
messageLayout.layout.draw(canvas);
}
}
if (messageLayout.showState) {
if (state == MessageState.PENDING) {
canvas.save();
canvas.translate(
messageLayout.layoutRealWidth - getPx(12),
messageLayout.layoutHeight - getPx(12) - getPx(3));
canvas.drawCircle(getPx(6), getPx(6), getPx(6), clockIconPaint);
double time = (System.currentTimeMillis() / 15.0) % (12 * 60);
double angle = (time / (6 * 60)) * Math.PI;
int x = (int) (Math.sin(-angle) * getPx(4));
int y = (int) (Math.cos(-angle) * getPx(4));
canvas.drawLine(getPx(6), getPx(6), getPx(6) + x, getPx(6) + y, clockIconPaint);
x = (int) (Math.sin(-angle * 12) * getPx(5));
y = (int) (Math.cos(-angle * 12) * getPx(5));
canvas.drawLine(getPx(6), getPx(6), getPx(6) + x, getPx(6) + y, clockIconPaint);
canvas.restore();
clockOutPaint.setColor(COLOR_NORMAL);
isAnimated = true;
} else if (state == MessageState.READED
&& prevState == MessageState.SENT
&& (SystemClock.uptimeMillis() - stateChangeTime < STATE_ANIMATION_TIME)) {
long animationTime = SystemClock.uptimeMillis() - stateChangeTime;
float progress = easeStateFade(animationTime / (float) STATE_ANIMATION_TIME);
int offset = (int) (getPx(5) * progress);
int alphaNew = (int) (progress * 255);
bounds(
stateSent,
messageLayout.layoutRealWidth - stateSent.getIntrinsicWidth() - offset,
messageLayout.layoutHeight - stateSent.getIntrinsicHeight() - getPx(3));
stateSent.setAlpha(255);
stateSent.draw(canvas);
bounds(
stateHalfCheck,
messageLayout.layoutRealWidth - stateHalfCheck.getIntrinsicWidth() + getPx(5) - offset,
messageLayout.layoutHeight - stateHalfCheck.getIntrinsicHeight() - getPx(3));
stateHalfCheck.setAlpha(alphaNew);
stateHalfCheck.draw(canvas);
clockOutPaint.setColor(COLOR_NORMAL);
isAnimated = true;
} else {
Drawable stateDrawable = getStateDrawable(state);
bounds(
stateDrawable,
messageLayout.layoutRealWidth - stateDrawable.getIntrinsicWidth(),
messageLayout.layoutHeight - stateDrawable.getIntrinsicHeight() - getPx(3));
stateDrawable.setAlpha(255);
stateDrawable.draw(canvas);
if (state == MessageState.READED) {
bounds(
stateSent,
messageLayout.layoutRealWidth - stateSent.getIntrinsicWidth() - getPx(5),
messageLayout.layoutHeight - stateDrawable.getIntrinsicHeight() - getPx(3));
stateSent.setAlpha(255);
stateSent.draw(canvas);
}
if (state == MessageState.FAILURE) {
clockOutPaint.setColor(COLOR_ERROR);
} else {
clockOutPaint.setColor(COLOR_NORMAL);
}
}
} else {
clockOutPaint.setColor(COLOR_IN);
}
canvas.drawText(
wireframe.date,
messageLayout.layoutRealWidth - messageLayout.timeWidth + getPx(6),
messageLayout.layoutHeight - getPx(4),
clockOutPaint);
return isAnimated;
}
public void draw() {
Bitmap bitmap = Bitmap.createBitmap(200, 200, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
RectF rect = new RectF(8, 8, 192, 192);
Paint p = new Paint();
p.setAntiAlias(true);
p.setStyle(Paint.Style.STROKE);
p.setColor(ColS);
p.setStrokeWidth(16);
int S = 162;
int H = 300;
// S
canvas.drawArc(rect, -90, S, false, p);
p.setStyle(Paint.Style.FILL);
p.setColor(ColM);
H -= 90;
canvas.drawCircle(100, 100, 72, p);
p.setColor(ColH);
p.setStrokeWidth(2);
float sx, sy;
sx = (float) (72 * Math.cos(Math.PI * H / 180));
sy = (float) (72 * Math.sin(Math.PI * H / 180));
canvas.drawLine(100, 100, sx + 100, sy + 100, p);
ImageView clokImg;
clokImg = (ImageView) findViewById(R.id.clokImage);
clokImg.setImageBitmap(bitmap);
// Hour picker
Bitmap ColPickBmp = Bitmap.createBitmap(80, 50, Bitmap.Config.ARGB_8888);
Canvas ColPickCanvas = new Canvas(ColPickBmp);
ImageView colPickImg = (ImageView) findViewById(R.id.colorHou);
rect = new RectF(0, 0, 80, 50);
p = new Paint();
p.setAntiAlias(true);
p.setStyle(Paint.Style.FILL);
p.setColor(ColH);
ColPickCanvas.drawRect(rect, p);
colPickImg.setImageBitmap(ColPickBmp);
// Minute picker
ColPickBmp = Bitmap.createBitmap(80, 50, Bitmap.Config.ARGB_8888);
ColPickCanvas = new Canvas(ColPickBmp);
colPickImg = (ImageView) findViewById(R.id.colorMin);
rect = new RectF(0, 0, 80, 50);
p = new Paint();
p.setAntiAlias(true);
p.setStyle(Paint.Style.FILL);
p.setColor(ColM);
ColPickCanvas.drawRect(rect, p);
colPickImg.setImageBitmap(ColPickBmp);
// Second picker
ColPickBmp = Bitmap.createBitmap(80, 50, Bitmap.Config.ARGB_8888);
ColPickCanvas = new Canvas(ColPickBmp);
colPickImg = (ImageView) findViewById(R.id.colorSec);
rect = new RectF(0, 0, 80, 50);
p = new Paint();
p.setAntiAlias(true);
p.setStyle(Paint.Style.FILL);
p.setColor(ColS);
ColPickCanvas.drawRect(rect, p);
colPickImg.setImageBitmap(ColPickBmp);
}
@Override
protected void onDraw(Canvas canvas) {
float ringWidth = textHeight + 4;
int height = getMeasuredHeight();
int width = getMeasuredWidth();
int px = width / 2;
int py = height / 2;
Point center = new Point(px, py);
int radius = Math.min(px, py) - 2;
RectF boundingBox =
new RectF(center.x - radius, center.y - radius, center.x + radius, center.y + radius);
RectF innerBoundingBox =
new RectF(
center.x - radius + ringWidth,
center.y - radius + ringWidth,
center.x + radius - ringWidth,
center.y + radius - ringWidth);
float innerRadius = innerBoundingBox.height() / 2;
RadialGradient borderGradient =
new RadialGradient(
px, py, radius, borderGradientColors, borderGradientPositions, TileMode.CLAMP);
Paint pgb = new Paint();
pgb.setShader(borderGradient);
Path outerRingPath = new Path();
outerRingPath.addOval(boundingBox, Direction.CW);
canvas.drawPath(outerRingPath, pgb);
LinearGradient skyShader =
new LinearGradient(
center.x,
innerBoundingBox.top,
center.x,
innerBoundingBox.bottom,
skyHorizonColorFrom,
skyHorizonColorTo,
TileMode.CLAMP);
Paint skyPaint = new Paint();
skyPaint.setShader(skyShader);
LinearGradient groundShader =
new LinearGradient(
center.x,
innerBoundingBox.top,
center.x,
innerBoundingBox.bottom,
groundHorizonColorFrom,
groundHorizonColorTo,
TileMode.CLAMP);
Paint groundPaint = new Paint();
groundPaint.setShader(groundShader);
float tiltDegree = pitch;
while (tiltDegree > 90 || tiltDegree < -90) {
if (tiltDegree > 90) tiltDegree = -90 + (tiltDegree - 90);
if (tiltDegree < -90) tiltDegree = 90 - (tiltDegree + 90);
}
float rollDegree = roll;
while (rollDegree > 180 || rollDegree < -180) {
if (rollDegree > 180) rollDegree = -180 + (rollDegree - 180);
if (rollDegree < -180) rollDegree = 180 - (rollDegree + 180);
}
Path skyPath = new Path();
skyPath.addArc(innerBoundingBox, -rollDegree, (180 + (2 * rollDegree)));
canvas.rotate(-tiltDegree, px, py);
canvas.drawOval(innerBoundingBox, groundPaint);
canvas.drawPath(skyPath, skyPaint);
canvas.drawPath(skyPath, markerPaint);
int markWidth = radius / 3;
int startX = center.x - markWidth;
int endX = center.x + markWidth;
Log.d("PAARV ", "Roll " + String.valueOf(rollDegree));
Log.d("PAARV ", "Pitch " + String.valueOf(tiltDegree));
double h = innerRadius * Math.cos(Math.toRadians(90 - tiltDegree));
double justTiltX = center.x - h;
float pxPerDegree = (innerBoundingBox.height() / 2) / 45f;
for (int i = 90; i >= -90; i -= 10) {
double ypos = justTiltX + i * pxPerDegree;
if ((ypos < (innerBoundingBox.top + textHeight))
|| (ypos > innerBoundingBox.bottom - textHeight)) continue;
canvas.drawLine(startX, (float) ypos, endX, (float) ypos, markerPaint);
int displayPos = (int) (tiltDegree - i);
String displayString = String.valueOf(displayPos);
float stringSizeWidth = textPaint.measureText(displayString);
canvas.drawText(
displayString, (int) (center.x - stringSizeWidth / 2), (int) (ypos) + 1, textPaint);
}
markerPaint.setStrokeWidth(2);
canvas.drawLine(
center.x - radius / 2,
(float) justTiltX,
center.x + radius / 2,
(float) justTiltX,
markerPaint);
markerPaint.setStrokeWidth(1);
Path rollArrow = new Path();
rollArrow.moveTo(center.x - 3, (int) innerBoundingBox.top + 14);
rollArrow.lineTo(center.x, (int) innerBoundingBox.top + 10);
rollArrow.moveTo(center.x + 3, innerBoundingBox.top + 14);
rollArrow.lineTo(center.x, innerBoundingBox.top + 10);
canvas.drawPath(rollArrow, markerPaint);
String rollText = String.valueOf(rollDegree);
double rollTextWidth = textPaint.measureText(rollText);
canvas.drawText(
rollText,
(float) (center.x - rollTextWidth / 2),
innerBoundingBox.top + textHeight + 2,
textPaint);
canvas.restore();
canvas.save();
canvas.rotate(180, center.x, center.y);
for (int i = -180; i < 180; i += 10) {
if (i % 30 == 0) {
String rollString = String.valueOf(i * -1);
float rollStringWidth = textPaint.measureText(rollString);
PointF rollStringCenter =
new PointF(center.x - rollStringWidth / 2, innerBoundingBox.top + 1 + textHeight);
canvas.drawText(rollString, rollStringCenter.x, rollStringCenter.y, textPaint);
} else {
canvas.drawLine(
center.x,
(int) innerBoundingBox.top,
center.x,
(int) innerBoundingBox.top + 5,
markerPaint);
}
canvas.rotate(10, center.x, center.y);
}
canvas.restore();
canvas.save();
canvas.rotate(-1 * (bearing), px, py);
double increment = 22.5;
for (double i = 0; i < 360; i += increment) {
CompassDirection cd = CompassDirection.values()[(int) (i / 22.5)];
String headString = cd.toString();
float headStringWidth = textPaint.measureText(headString);
PointF headStringCenter =
new PointF(center.x - headStringWidth / 2, boundingBox.top + 1 + textHeight);
if (i % increment == 0)
canvas.drawText(headString, headStringCenter.x, headStringCenter.y, textPaint);
else
canvas.drawLine(
center.x, (int) boundingBox.top, center.x, (int) boundingBox.top + 3, markerPaint);
canvas.rotate((int) increment, center.x, center.y);
}
canvas.restore();
RadialGradient glassShader =
new RadialGradient(
px, py, (int) innerRadius, glassGradientColors, glassGradientPositions, TileMode.CLAMP);
Paint glassPaint = new Paint();
glassPaint.setShader(glassShader);
canvas.drawOval(innerBoundingBox, glassPaint);
canvas.drawOval(boundingBox, circlePaint);
circlePaint.setStrokeWidth(2);
canvas.drawOval(innerBoundingBox, circlePaint);
canvas.restore();
}
