protected void initCompassView() {
setFocusable(true);
Resources r = this.getResources();
circlePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
circlePaint.setColor(R.color.transparent_color);
circlePaint.setStrokeWidth(1);
circlePaint.setStyle(Paint.Style.STROKE);
textPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
textPaint.setColor(r.getColor(R.color.text_color));
textPaint.setFakeBoldText(true);
textPaint.setSubpixelText(true);
textPaint.setTextAlign(Align.LEFT);
textHeight = (int) textPaint.measureText("yY");
markerPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
markerPaint.setColor(r.getColor(R.color.transparent_color));
markerPaint.setAlpha(200);
markerPaint.setStrokeWidth(1);
markerPaint.setStyle(Paint.Style.STROKE);
markerPaint.setShadowLayer(2, 1, 1, r.getColor(R.color.transparent_color));
borderGradientColors = new int[4];
borderGradientPositions = new float[4];
borderGradientColors[3] = r.getColor(R.color.transparent_color);
borderGradientColors[2] = r.getColor(R.color.transparent_color);
borderGradientColors[1] = r.getColor(R.color.transparent_color);
borderGradientColors[0] = r.getColor(R.color.transparent_color);
borderGradientPositions[3] = 0.0f;
borderGradientPositions[2] = 1 - 0.03f;
borderGradientPositions[1] = 1 - 0.06f;
borderGradientPositions[0] = 1.0f;
glassGradientColors = new int[5];
glassGradientPositions = new float[5];
int glassColor = 245;
glassGradientColors[4] = Color.argb(65, glassColor, glassColor, glassColor);
glassGradientColors[3] = Color.argb(100, glassColor, glassColor, glassColor);
glassGradientColors[2] = Color.argb(50, glassColor, glassColor, glassColor);
glassGradientColors[1] = Color.argb(0, glassColor, glassColor, glassColor);
glassGradientColors[0] = Color.argb(0, glassColor, glassColor, glassColor);
glassGradientPositions[4] = 1 - 0.0f;
glassGradientPositions[3] = 1 - 0.06f;
glassGradientPositions[2] = 1 - 0.10f;
glassGradientPositions[1] = 1 - 0.20f;
glassGradientPositions[0] = 1 - 1.0f;
skyHorizonColorFrom = r.getColor(R.color.transparent_color);
skyHorizonColorTo = r.getColor(R.color.transparent_color);
groundHorizonColorFrom = r.getColor(R.color.transparent_color);
groundHorizonColorTo = r.getColor(R.color.transparent_color);
}
/**
* Y周的刻度值
*
* @param canvas
*/
private void drawYValueText(Canvas canvas) {
Paint paint = new Paint();
paint.setColor(axesLineColor);
paint.setAntiAlias(true);
paint.setSubpixelText(true);
paint.setTypeface(Typeface.MONOSPACE);
paint.setTextSize(leftTextSize);
paint.setTextAlign(Align.RIGHT);
/*int yHeight = height - topPadding - bottomPadding - topTextHeight;
int spaceLength = yHeight / yNum;
int spaceValue = (yMaxValue - yMinValue) / yNum;
for (int i = 0; i < 6; i++) {
canvas.drawText((yMinValue + spaceValue * i) + "", leftPadding + yTextWidth - 5, height - bottomPadding - yTextWidth - (spaceLength * i),
paint);
}*/
canvas.drawText(
"优秀",
leftPadding + (yTextWidth + leftTextSize) / 2,
height - bottomPadding - xTextHeight - (spaceYLength * 5) + leftTextSize / 2,
paint);
canvas.drawText(
"良好",
leftPadding + (yTextWidth + leftTextSize) / 2,
height - bottomPadding - xTextHeight - (spaceYLength * 4) + leftTextSize / 2,
paint);
canvas.drawText(
"一般",
leftPadding + (yTextWidth + leftTextSize) / 2,
height - bottomPadding - xTextHeight - (spaceYLength * 3) + leftTextSize / 2,
paint);
canvas.drawText(
"差劲",
leftPadding + (yTextWidth + leftTextSize) / 2,
height - bottomPadding - xTextHeight - (spaceYLength * 2) + leftTextSize / 2,
paint);
canvas.drawText(
"恶劣",
leftPadding + (yTextWidth + leftTextSize) / 2,
height - bottomPadding - xTextHeight - (spaceYLength * 1) + leftTextSize / 2,
paint);
}
/**
* 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);
}
}
private void stroke(Seria s, Canvas canvas) {
mPlotPaint.setStyle(Paint.Style.STROKE);
// draw line
if (s.mWidth > 0) {
// create the path
mPath.reset();
mPath.moveTo(calcX(s.x[0]), calcY(s.y[0]));
for (int i = 1; i < s.sz(); i++) {
mPath.lineTo(calcX(s.x[i]), calcY(s.y[i]));
}
// draw the path
mPlotPaint.setColor(s.mColor);
mPlotPaint.setStrokeWidth(s.mWidth);
mPlotPaint.setPathEffect(s.mEffect);
canvas.drawPath(mPath, mPlotPaint);
}
// draw images seria
if (s.bms != null) {
for (int i = 0; i < s.sz(); i++) {
Bitmap bm;
if (s.bms.length > 1) {
bm = s.bms[i];
} else {
bm = s.bms[0];
}
float left = calcX(s.x[i]);
float top = calcY(s.y[i]);
if (s.hAlign == HALIGN.CENTER) {
left -= bm.getWidth() / 2;
} else if (s.hAlign == HALIGN.RIGHT) {
left -= bm.getWidth();
}
if (s.vAlign == VALIGN.CENTER) {
top -= bm.getHeight() / 2;
} else if (s.vAlign == VALIGN.BOTTOM) {
top -= bm.getHeight();
}
canvas.drawBitmap(s.bms[i], left, top, mPlotPaint);
}
}
if (s.texts != null) {
Align align = Align.CENTER;
switch (s.hAlign) {
case LEFT:
align = Align.RIGHT;
case RIGHT:
align = Align.LEFT;
}
mPlotPaint.setTextAlign(align);
mPlotPaint.setStrokeWidth(0);
mPlotPaint.setColor(s.mColor);
for (int i = 0; i < s.sz(); i++) {
float x = calcX(s.x[i]);
float y = calcY(s.y[i]);
switch (s.vAlign) {
case TOP:
y -= mPlotPaint.getTextSize();
case CENTER:
y -= 0.5 * mPlotPaint.getTextSize();
}
if (s.deg != 0) {
canvas.save();
canvas.rotate(s.deg, x, y);
}
canvas.drawText(s.texts[i], x, y, mPlotPaint);
if (s.deg != 0) {
canvas.restore();
}
}
}
}
@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
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
Log.d(TAG, "Slice Count: " + mData.size());
if (mData.size() > 0) {
//
// Set dimensions for text, pie chart, etc
//
// Account for padding
float xpad = (float) (getPaddingLeft() + getPaddingRight());
float ypad = (float) (getPaddingTop() + getPaddingBottom());
// Account for the label
if (mShowText) xpad += mTextWidth;
float ww = (float) w - xpad;
float hh = (float) h - ypad;
// Figure out how big we can make the pie.
float diameter = Math.min(ww, hh);
mPieBounds = new RectF(0.0f, 0.0f, diameter, diameter);
mPieBounds.offsetTo(getPaddingLeft(), getPaddingTop());
// Log.d(TAG, "mPieBounds>> "+mPieBounds);
mPointerY = mTextY - (mTextHeight / 2.0f);
float pointerOffset = mPieBounds.centerY() - mPointerY;
// Make adjustments based on text position
if (mTextPos == TEXTPOS_LEFT) {
mTextPaint.setTextAlign(Paint.Align.RIGHT);
if (mShowText) mPieBounds.offset(mTextWidth, 0.0f);
mTextX = mPieBounds.left;
if (pointerOffset < 0) {
pointerOffset = -pointerOffset;
mCurrentItemAngle = 225;
} else {
mCurrentItemAngle = 135;
}
mPointerX = mPieBounds.centerX() - pointerOffset;
} else {
mTextPaint.setTextAlign(Paint.Align.LEFT);
mTextX = mPieBounds.right;
if (pointerOffset < 0) {
pointerOffset = -pointerOffset;
mCurrentItemAngle = 315;
} else {
mCurrentItemAngle = 45;
}
mPointerX = mPieBounds.centerX() + pointerOffset;
}
mShadowBounds =
new RectF(
mPieBounds.left + 10,
mPieBounds.bottom + 10,
mPieBounds.right - 10,
mPieBounds.bottom + 20);
// Lay out the child view that actually draws the pie.
mPieView.layout(
(int) mPieBounds.left,
(int) mPieBounds.top,
(int) mPieBounds.right,
(int) mPieBounds.bottom);
mPieView.setPivot(mPieBounds.width() / 2, mPieBounds.height() / 2);
mPointerView.layout(0, 0, w, h);
onDataChanged();
}
}