protected void drawLegend(Canvas canvas, float height, float width) {
float textSize = paint.getTextSize();
int spacing = getGraphViewStyle().getLegendSpacing();
int border = getGraphViewStyle().getLegendBorder();
int legendWidth = getGraphViewStyle().getLegendWidth();
int shapeSize = (int) (textSize * 0.8d);
Log.d("GraphView", "draw legend size: " + paint.getTextSize());
// rect
paint.setARGB(180, 100, 100, 100);
float legendHeight = (shapeSize + spacing) * graphSeries.size() + 2 * border - spacing;
float lLeft = width - legendWidth - border * 2;
float lTop;
switch (legendAlign) {
case TOP:
lTop = 0;
break;
case MIDDLE:
lTop = height / 2 - legendHeight / 2;
break;
default:
lTop =
height
- GraphViewConfig.BORDER
- legendHeight
- getGraphViewStyle().getLegendMarginBottom();
}
float lRight = lLeft + legendWidth;
float lBottom = lTop + legendHeight;
canvas.drawRoundRect(new RectF(lLeft, lTop, lRight, lBottom), 8, 8, paint);
for (int i = 0; i < graphSeries.size(); i++) {
paint.setColor(graphSeries.get(i).style.color);
canvas.drawRect(
new RectF(
lLeft + border,
lTop + border + (i * (shapeSize + spacing)),
lLeft + border + shapeSize,
lTop + border + (i * (shapeSize + spacing)) + shapeSize),
paint);
if (graphSeries.get(i).description != null) {
paint.setColor(Color.WHITE);
paint.setTextAlign(Align.LEFT);
canvas.drawText(
graphSeries.get(i).description,
lLeft + border + shapeSize + spacing,
lTop + border + shapeSize + (i * (shapeSize + spacing)),
paint);
}
}
}
private void drawTradeMark(Canvas canvas) {
Rect framingRect = getFramingRect();
float tradeMarkTop;
float tradeMarkLeft;
if (framingRect != null) {
tradeMarkTop = framingRect.bottom + PAINT.getTextSize() + 10;
tradeMarkLeft = framingRect.left;
} else {
tradeMarkTop = 10;
tradeMarkLeft = canvas.getHeight() - PAINT.getTextSize() - 10;
}
canvas.drawText(TRADE_MARK_TEXT, tradeMarkLeft, tradeMarkTop, PAINT);
}
void drawTestBox(Canvas cv, RectF r, float rot, String text) {
cv.save();
cv.translate(r.centerX(), r.centerY());
cv.rotate((float) (rot * 180 / Math.PI));
RectF rs = new RectF(-r.width() / 2, -r.height() / 2, r.width() / 2, r.height() / 2);
cv.drawRect(rs, paintIcon);
if (text != null) {
paintText.setTextSize(paintText.getTextSize() - 4);
cv.drawText(text, rs.centerX(), rs.centerY(), paintText);
paintText.setTextSize(paintText.getTextSize() + 4);
}
cv.restore();
}
@Override
public void draw(Canvas canvas, MapView mapView, boolean shadow) {
// Get the map projection to convert lat/long to screen coordinates
Projection projection = mapView.getProjection();
Point lPoint = new Point();
projection.toPixels(locationPoint, lPoint);
// Draw the overlay
if (shadow == false) {
if (friendLocations.size() > 0) {
Iterator<String> e = friendLocations.keySet().iterator();
do {
// Get the name and location of each contact
String name = e.next();
Location location = friendLocations.get(name);
// Convert the lat / long to a Geopoint
Double latitude = location.getLatitude() * 1E6;
Double longitude = location.getLongitude() * 1E6;
GeoPoint geopoint = new GeoPoint(latitude.intValue(), longitude.intValue());
// Ensure each contact is within 10km
float dist = location.distanceTo(getLocation());
if (dist < 10000) {
Point point = new Point();
projection.toPixels(geopoint, point);
// Draw a line connecting the contact to your current location.
canvas.drawLine(lPoint.x, lPoint.y, point.x, point.y, paint);
// Draw a marker at the contact's location.
RectF oval =
new RectF(
point.x - markerRadius,
point.y - markerRadius,
point.x + markerRadius,
point.y + markerRadius);
canvas.drawOval(oval, backPaint);
oval.inset(2, 2);
canvas.drawOval(oval, paint);
// Draw the contact's name next to their position.
float textWidth = paint.measureText(name);
float textHeight = paint.getTextSize();
RectF textRect =
new RectF(
point.x + markerRadius,
point.y - textHeight,
point.x + markerRadius + 8 + textWidth,
point.y + 4);
canvas.drawRoundRect(textRect, 3, 3, backPaint);
canvas.drawText(name, point.x + markerRadius + 4, point.y, paint);
}
} while (e.hasNext());
}
}
super.draw(canvas, mapView, shadow);
}
/**
* Generates bitmap used for drawing button.
*
* @param radius Radius of button in pixels.
*/
@Override
void generateBitmap() {
super.generateBitmap();
// Size and shape
buttonShape.setShape(new OvalShape());
buttonShape.setBounds(
new Rect(PADDING, PADDING, (int) radius * 2 - PADDING, (int) radius * 2 - PADDING));
// Create button bitmap and render shape
buttonBitmap = Bitmap.createBitmap((int) radius * 2, (int) radius * 2, Bitmap.Config.ARGB_4444);
Canvas handleCanvas = new Canvas(buttonBitmap);
buttonShape.getPaint().set(parent.fillPaint);
buttonShape.draw(handleCanvas);
// Set text style
textPaint.setStyle(Paint.Style.FILL);
textPaint.setTypeface(Typeface.DEFAULT_BOLD);
textPaint.setTextAlign(Paint.Align.CENTER);
textPaint.setColor(Color.BLACK);
// Set size (one character has a standard design, more has dynamic size)
if (label.length() == 1) textPaint.setTextSize(radius);
else textPaint.setTextSize(radius / label.length() * 2.5f);
// Set paint to clear text from button
textPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
// Render the button
handleCanvas.drawText(label, radius, radius + (textPaint.getTextSize() * .33333f), textPaint);
}
@Override
protected void onDraw(Canvas canvas) {
int width = getWidth() - getPaddingLeft() - getPaddingRight();
int height = getHeight() - getPaddingTop() - getPaddingBottom();
if (backgroundDrawable != null) {
int dw = backgroundDrawable.getIntrinsicWidth();
int left = getPaddingLeft() + (width - dw) / 2;
int top = getPaddingTop();
int right = left + dw;
int bottom = height + getPaddingTop();
backgroundDrawable.setBounds(left, top, right, bottom);
backgroundDrawable.draw(canvas);
}
if (progressDrawable != null) {
int dw = progressDrawable.getIntrinsicWidth();
int left = getPaddingLeft() + (width - dw) / 2;
int top = getPaddingTop();
int right = left + dw;
int bottom = height + getPaddingTop();
progressDrawable.setBounds(left, top, right, bottom);
progressDrawable.setLevel((int) (10000 * progress.percentage()));
progressDrawable.draw(canvas);
}
int textWidth = (int) paint.measureText(progress.toString());
int x = (width - textWidth) / 2 + getPaddingLeft();
int y = height / 2 + getPaddingTop() - (int) (paint.getTextSize() / 2);
canvas.drawText(progress.toString(), x, y, paint);
}
/**
* @param textview
* @return
*/
private String adjustTextLength(TextView tv) {
if (tv == null) {
return "";
}
String input = tv.getText().toString();
String result = input;
String newtext = input;
int lastSpaceIndex = 0;
ViewGroup.LayoutParams lp = (ViewGroup.LayoutParams) tv.getLayoutParams();
Paint p = tv.getPaint();
Rect bound = new Rect();
p.getTextBounds(input, 0, input.length() - 1, bound);
float textHeight = p.getTextSize();
float multiLine = (((lp.height - tv.getPaddingTop() - tv.getPaddingBottom()) / textHeight));
float availableW = (lp.width - tv.getPaddingLeft() - tv.getPaddingRight()) * (multiLine + 0.2f);
do {
newtext = (String) TextUtils.ellipsize(result, tv.getPaint(), availableW, TruncateAt.END);
if (!newtext.equals(result)) {
lastSpaceIndex = newtext.lastIndexOf(" ");
if (lastSpaceIndex > 0) {
result = newtext.substring(0, lastSpaceIndex) + "...";
} else {
break;
}
} else {
break;
}
} while (false);
GKIMLog.lf(null, 0, TAG + "=>adjust title from: " + input + " to: " + result);
tv.setText(result);
return result;
}
/**
* * Allocate the paint object and figuring out how large the instrument is on the display based
* upon the text size in the source paint object
*
* @param textPaint Used to figure out our overall size
*/
public void setSize(Paint textPaint) {
// A total of 11 bars
mBarCount = 11;
// The width of each bar is the basis for the entire instrument size
mBarWidth = textPaint.getTextSize() * (float) 0.5;
// Height is 1/4 of the width
mBarHeight = mBarWidth / 4;
// Space between bars is 3x the height of the bar
mBarSpace = 3 * mBarHeight;
// Height of the entire instrument
mInstHeight =
mBarCount * mBarHeight
+ // The bars themselves
(mBarCount - 1) * mBarSpace
+ // Space between the bars
2 * mBarHeight; // Space to the top and bottom of the end bars
// Width of the entire instrument
mInstWidth =
mBarWidth
+ // The main bar itself
mBarWidth / 2
+ // The triangle indicator height
mBarHeight * 3; // Border padding at left/right/middle
// Allocate the paint object to save time during draw cycle
mVNAVPaint = new Paint(textPaint);
}
@Override
public void onDraw(final Canvas c) {
// Draw the alpha pattern
mAlphaPattern.draw(c);
// Draw the shader that shows how transparent a colors looks at a given alpha on top of the
// alpha pattern
shaderPaint.setShader(
new LinearGradient(
borderSize, 0, this.getWidth() - borderSize, 0, 0, color, TileMode.CLAMP));
c.drawRect(
borderSize,
borderSize,
this.getWidth() - borderSize,
this.getHeight() - borderSize,
shaderPaint);
// Draw the transparency label on top of that stuff
c.drawText(
"Transparency",
this.getWidth() / 2,
this.getHeight() / 2 + labelPaint.getTextSize() / 2.0f,
labelPaint);
// Draw the alpha tracker on top of everything else
final float xPos = alphaToXPos(alpha);
final float rectWidth = 2 * mDensity;
final RectF r = new RectF();
r.left = xPos - rectWidth;
r.right = xPos + rectWidth;
r.top = 0;
r.bottom = this.getHeight();
c.drawRoundRect(r, rectWidth, rectWidth, trackerPaint);
}
protected void onDrawCell(Canvas canvas, Cell cell) {
if (cell.text == null && cell.bgColor == null && cell.rtDrawable == null)
return; // 如果无内容，且无背景色不进行绘制
Rect rect = this.getCellRectInView(cell);
if (cell.bgColor != null) {
canvas.drawColor(cell.bgColor);
}
if (cell.ballColor != null) {
painter.setColor(cell.ballColor);
canvas.drawCircle(rect.centerX(), rect.centerY(), rect.height() / 2 - 1 * dp, painter);
}
if (cell.textColor != null) painter.setColor(cell.textColor);
if (cell.text != null) {
if (cell.textSize > 0) painter.setTextSize(cell.textSize);
else painter.setTextSize(this.textSize);
painter.setTextAlign(cell.aligin);
int cx = rect.centerX();
if (cell.aligin == Align.LEFT) cx = rect.left;
else if (cell.aligin == Align.RIGHT) cx = rect.right;
int cy = rect.centerY() + (int) (painter.getTextSize() * 2 / 5 + 0.5f);
if (cell.fixedTextX) cx -= offX;
if (cell.fixedTextY) cy -= offY;
canvas.drawText(cell.text, cx, cy, painter);
}
if (cell.rtDrawable != null) {
int minWidth = cell.rtDrawable.getMinimumWidth();
if (minWidth > rect.width() / 2) minWidth = rect.width() / 2;
cell.rtDrawable.setBounds(
new Rect(rect.right - minWidth, rect.top, rect.right, rect.top + minWidth));
cell.rtDrawable.draw(canvas);
}
}
// 设置字体大小
public final void setTextSize(float size) {
if (size != paint.getTextSize()) {
mFontSize = size;
if (mTextHeight > 0) {
GetTextInfo();
}
}
}
@Override
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
// Translate the canvas to account for the view padding
canvas.translate(mCanvasXPadding, mCanvasYPadding);
// Outside box
mCacheRectF.set(0, 0, mWidth, mHeight);
canvas.drawRect(mCacheRectF, mStrokeColor);
final float centerY = mHeight / 2;
final float ticMargin = mHeight / mScrollToRange;
final int start = (int) (mScrollTo - mScrollToRange / 2);
final int end = (int) (mScrollTo + mScrollToRange / 2);
final float ticStart = mHandedness == Handedness.LEFT ? mWidth : 0;
final float ticEnd =
mHandedness == Handedness.LEFT ? ticStart - mTicWidth : ticStart + mTicWidth;
final float textStart =
mHandedness == Handedness.LEFT ? mWidth - mTextHorizontalMargin : mTextHorizontalMargin;
final float textOffset = mStrokeColor.getTextSize() / 2 + mTextVerticalMargin;
for (int a = start; a <= end; a++) {
if (a % 5 == 0) {
float lineHeight = centerY - ticMargin * (a - mScrollTo);
canvas.drawLine(ticStart, lineHeight, ticEnd, lineHeight, mStrokeColor);
canvas.drawText(String.valueOf(a), textStart, lineHeight + textOffset, mStrokeColor);
}
}
// Arrow with current speed
final int borderWidth = Math.round(mArrowStrokeColor.getStrokeWidth());
final float arrowStickX, arrowBaseX, arrowPointX;
if (mHandedness == Handedness.LEFT) {
arrowStickX = -borderWidth;
arrowBaseX = mWidth - mArrowHeight / 4 - borderWidth;
arrowPointX = mWidth - borderWidth;
} else {
arrowStickX = mWidth + borderWidth;
arrowBaseX = mArrowHeight / 4 + borderWidth;
arrowPointX = borderWidth;
}
final float arrowStartY = centerY - mArrowHeight / 2;
final float arrowEndY = centerY + mArrowHeight / 2;
mCachePath.reset();
Path arrow = mCachePath;
arrow.moveTo(arrowStickX, arrowStartY);
arrow.lineTo(arrowBaseX, arrowStartY);
arrow.lineTo(arrowPointX, centerY);
arrow.lineTo(arrowBaseX, arrowEndY);
arrow.lineTo(arrowStickX, arrowEndY);
canvas.drawPath(arrow, mArrowBgColor);
canvas.drawPath(arrow, mArrowStrokeColor);
canvas.drawText(String.valueOf((int) mScrollTo), textStart, centerY + textOffset, mStrokeColor);
}
private void adjustSayingText(Paint mSayingPaint, String textToMeasure) {
if (mSayingPaint.measureText(textToMeasure, 0, textToMeasure.length())
<= getDisplayMetrics().widthPixels) {
return;
} else {
mSayingPaint.setTextSize(mSayingPaint.getTextSize() - 0.1f);
adjustSayingText(mSayingPaint, textToMeasure);
}
}
private void adjustSayingTextRound(Paint mSayingPaint, String textToMeasure) {
if (mSayingPaint.measureText(textToMeasure, 0, textToMeasure.length())
<= boundary.getRectWidth()) {
return;
} else {
mSayingPaint.setTextSize(mSayingPaint.getTextSize() - 0.1f);
adjustSayingTextRound(mSayingPaint, textToMeasure);
}
}
private void drawFocusRect(RectF rect, int color) {
canvas = holderTransparent.lockCanvas();
canvas.drawColor(0, PorterDuff.Mode.CLEAR);
// border's properties
Paint paint = new Paint();
paint.setStyle(Paint.Style.STROKE);
paint.setColor(color);
paint.setStrokeWidth(3);
paint.setTextSize(paint.getTextSize() * 7);
canvas.drawRect(rect, paint);
holderTransparent.unlockCanvasAndPost(canvas);
}
@Override
public void handleTile(
final Canvas pCanvas,
final int pTileSizePx,
final MapTile pTile,
final int pX,
final int pY) {
// no overflow detected here Log.d(IMapView.LOGTAG, "handleTile " + pTile.toString() +
// ","+pX + "," + pY);
Drawable currentMapTile = mTileProvider.getMapTile(pTile);
boolean isReusable = currentMapTile instanceof ReusableBitmapDrawable;
final ReusableBitmapDrawable reusableBitmapDrawable =
isReusable ? (ReusableBitmapDrawable) currentMapTile : null;
if (currentMapTile == null) {
currentMapTile = getLoadingTile();
}
if (currentMapTile != null) {
mTilePoint.set(pX * pTileSizePx, pY * pTileSizePx);
mTileRect.set(
mTilePoint.x, mTilePoint.y, mTilePoint.x + pTileSizePx, mTilePoint.y + pTileSizePx);
if (isReusable) {
reusableBitmapDrawable.beginUsingDrawable();
}
try {
if (isReusable && !((ReusableBitmapDrawable) currentMapTile).isBitmapValid()) {
currentMapTile = getLoadingTile();
isReusable = false;
}
onTileReadyToDraw(pCanvas, currentMapTile, mTileRect);
} finally {
if (isReusable) reusableBitmapDrawable.finishUsingDrawable();
}
}
if (DEBUGMODE) {
mTileRect.set(
pX * pTileSizePx,
pY * pTileSizePx,
pX * pTileSizePx + pTileSizePx,
pY * pTileSizePx + pTileSizePx);
pCanvas.drawText(
pTile.toString(),
mTileRect.left + 1,
mTileRect.top + mDebugPaint.getTextSize(),
mDebugPaint);
pCanvas.drawLine(
mTileRect.left, mTileRect.top, mTileRect.right, mTileRect.top, mDebugPaint);
pCanvas.drawLine(
mTileRect.left, mTileRect.top, mTileRect.left, mTileRect.bottom, mDebugPaint);
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int measuredWidth = resolveSize(50, widthMeasureSpec);
// Get the desired height of the icon menu view (last row of items does
// not have a divider below)
Rect padding = new Rect();
mSelectionHighlight.getPadding(padding);
final int desiredHeight =
((int) mPaint.getTextSize()) + mVerticalPadding + padding.top + padding.bottom;
// Maximum possible width and desired height
setMeasuredDimension(measuredWidth, resolveSize(desiredHeight, heightMeasureSpec));
}
protected void drawAxesLabels(Canvas canvas) {
canvas.drawText(
mXAxisLabel,
mLeftPadding + graphWidth / 2 - mAxisLabelPaint.measureText(mXAxisLabel) / 2,
mTopPadding + graphHeight + mBottomPadding - mXAxisLabelOffset,
mAxisLabelPaint);
canvas.rotate(-90, 0, 0);
canvas.drawText(
mYAxisLabel,
-(mTopPadding + graphHeight / 2 + mAxisLabelPaint.measureText(mYAxisLabel) / 2),
mAxisLabelPaint.getTextSize() + mYAxisLabelOffset,
mAxisLabelPaint);
canvas.rotate(90, 0, 0);
}
@Override
protected void onDraw(Canvas canvas) {
float textShowWidth = getWidth();
Paint textPaint = getPaint();
float textSize = textPaint.getTextSize();
int lineCount; // 当前行数
float oneX; // 当前一个汉字绘制的x坐标
float oneY = 0; // 当前一个汉字绘制的y坐标
String text = this.getText().toString();
if (TextUtils.isEmpty(text)) {
return;
}
char[] textCharArray = text.toCharArray();
if (logCount == 1) {
Log.i("TAG", "textShowWidth---" + textShowWidth);
Log.i("TAG", "textCharArray---" + textCharArray.length);
logCount = 2;
}
ArrayList<LineModel> lineList =
getCalculateLineList(
textPaint, textCharArray, textShowWidth, isGravityCenter, oneMarginLeft);
if (logCount == 2) {
Log.i("TAG", "lineList---" + lineList.toString());
logCount = 3;
}
float charWidth;
for (int j = 0; j < lineList.size(); j++) {
LineModel model = lineList.get(j);
lineCount = model.getLineCount();
oneX = model.getStartX();
if (model.getLineCount() == 1) {
oneY = textSize;
}
if (model.getLineCount() >= 2) {
oneY = (lineCount * textSize + (lineCount - 1) * lineSpace);
}
for (int k = model.getStartIndex(); k < model.getEndIndex() + 1; k++) {
charWidth = textPaint.measureText(textCharArray, k, 1);
canvas.drawText(textCharArray, k, 1, oneX, oneY, textPaint);
oneX = charWidth + oneMarginLeft + oneX;
}
}
setHeight((int) (oneY + bottomSpace));
}
protected void drawAxes(Canvas canvas) {
float textHoriOffset;
float textVertOffset = -(2 * mAxesPaint.getTextSize() - mAxesPaint.getFontSpacing()) / 2;
Path axesPath = new Path();
axesPath.moveTo(mLeftPadding, mTopPadding - mGridlinesPaint.getStrokeWidth() / 2);
axesPath.lineTo(mLeftPadding, mTopPadding + graphHeight);
axesPath.lineTo(
mLeftPadding + graphWidth + mGridlinesPaint.getStrokeWidth() / 2,
mTopPadding + graphHeight);
mAxesPaint.setStyle(Paint.Style.STROKE);
mAxesPaint.setAntiAlias(false);
canvas.drawPath(axesPath, mAxesPaint);
mAxesPaint.setAntiAlias(mAxesPaintAntiAlias);
mAxesPaint.setStyle(Paint.Style.FILL);
for (int i = 0; i < mYAxisLabels.length; i++) {
textHoriOffset = mAxesPaint.measureText(mYAxisLabels[i]) + mGridlineLabelHoriSpacing;
canvas.drawText(
mYAxisLabels[i],
mLeftPadding - textHoriOffset,
mTopPadding - textVertOffset + (1.00f - mYAxisLabelPositions[i]) * graphHeight,
mAxesPaint);
}
textVertOffset =
(2 * mAxesPaint.getTextSize() - mAxesPaint.getFontSpacing()) + mGridlineLabelVertSpacing;
for (int i = 0; i < mXAxisLabels.length; i++) {
textHoriOffset = mAxesPaint.measureText(mXAxisLabels[i]) / 2;
canvas.drawText(
mXAxisLabels[i],
mLeftPadding - textHoriOffset + mXAxisLabelPositions[i] * graphWidth,
mTopPadding + graphHeight + textVertOffset,
mAxesPaint);
}
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
paint.setTypeface(Typeface.create("", Typeface.BOLD));
paint.setTextSize((int) (textSize * BaseActivity.screen_width));
paint.setAntiAlias(true);
paint.setColor(Color.rgb(100, 100, 100));
float x = Utils.measureX(paint, AVAILABLE_BALANCE_TITLE, maxwidth);
canvas.drawText(AVAILABLE_BALANCE_TITLE, x, (float) (availableY * maxHeight), paint);
x = Utils.measureX(paint, ACCOUNT_BALANCE_TITLE, maxwidth);
canvas.drawText(ACCOUNT_BALANCE_TITLE, x, (float) ((accountY) * maxHeight), paint);
x = Utils.measureX(paint, ACCOUNT_BALANCE_TITLE, maxwidth);
canvas.drawText(ACCOUNT_BALANCE_TITLE, x, (float) ((accountY) * maxHeight), paint);
paint.setColor(Color.BLACK);
x = Utils.measureX(paint, getAvailableBalanceValue(), maxwidth);
canvas.drawText(
getAvailableBalanceValue(), x, (float) ((availableY + line) * maxHeight), paint);
x = Utils.measureX(paint, getAccountBalanceValue(), maxwidth);
canvas.drawText(getAccountBalanceValue(), x, (float) ((accountY + line) * maxHeight), paint);
x = (float) (maxwidth / 2 - paint.measureText(DEPOSIT_TITLE) - placeholderLineDrawableWidth);
canvas.drawText(DEPOSIT_TITLE, x, (float) ((depositY) * maxHeight), paint);
x = (float) (maxwidth / 2 + placeholderLineDrawableWidth);
canvas.drawText(WITHDRAWALS_TITLE, x, (float) ((depositY) * maxHeight), paint);
x =
(float)
(maxwidth / 2 - paint.measureText(getDepositValue()) - placeholderLineDrawableWidth);
canvas.drawText(getDepositValue(), x, (float) ((depositY + line) * maxHeight), paint);
x = (float) (maxwidth / 2 + placeholderLineDrawableWidth);
canvas.drawText(getWidthdrawalsValue(), x, (float) ((depositY + line) * maxHeight), paint);
if (placeholderLineDrawable != null) {
canvas.save();
// canvas.scale((float)xx, (float)xx);
canvas.translate((float) (o_x), (float) ((depositY) * maxHeight) - paint.getTextSize());
placeholderLineDrawable.draw(canvas);
canvas.restore();
}
}
/**
* 绘制文字
*
* @param canvas
* @param text
* @param x
* @param y
* @param paint
* @param angle
* @param zoom
*/
protected void drawText(
Canvas canvas, String text, float x, float y, Paint paint, float angle, float zoom) {
// 缩放
Paint textPaint = new Paint(paint);
textPaint.setTextSize(paint.getTextSize() * zoom);
// 旋转
canvas.save();
canvas.rotate(angle, x, y);
x -= (getFontWidth(textPaint, text) - getFontWidth(paint, text)) / 2;
y += (getFontHeight(textPaint) - getFontHeight(paint)) / 2;
canvas.drawText(text, x, y, textPaint);
canvas.restore();
}
/**
* * The main display is telling us what paint it is using. Make a copy of it and adjust it for
* what we need it to do. Perform some size calculations here instead of at draw time
*
* @param paint
*/
public void setPaint(Paint paint) {
// Allocate our own paint based upon what is in use
mPaint = new Paint(paint);
// Set our desired attributes
mPaint.setTextSize(mPaint.getTextSize() / (float) 2.5);
mPaint.setTextAlign(Align.LEFT);
// Find out how big our shadow needs to be
mPaint.getTextBounds("000", 0, 3, mTextBounds);
// Determine the margin pixel values
mTextWidth = mTextBounds.width();
mTextHeight = mTextBounds.height();
mBgndWidth = (int) (mTextWidth * 1.4);
mLeftMargin = (int) (mTextWidth * 0.2);
mBgndHeight = (int) (mTextHeight * 1.4);
mBotmMargin = (int) (mTextHeight * 1.2);
}
/**
* Helper to draw this square in its current color (whichever that is).
*
* <p>This method does not modify any settings of the Paint object passed to it.
*
* @param canvas Canvas object to draw to
* @param paint Paint object to use for the drawing
*/
public void draw(Canvas canvas, Paint paint) {
int oldColor = paint.getColor();
paint.setColor(this.color);
canvas.drawRect(this.xpos, this.ypos, this.xpos + this.width, this.ypos + this.height, paint);
if (text != null) {
Paint.Align oldAlign = paint.getTextAlign();
float oldSize = paint.getTextSize();
paint.setTextAlign(Paint.Align.CENTER);
paint.setColor(textColor);
paint.setTextSize(0.8f * this.height);
canvas.drawText(
this.text, this.xpos + this.width / 2, this.ypos + 4 * this.height / 5, paint);
paint.setTextAlign(oldAlign);
paint.setTextSize(oldSize);
}
paint.setColor(oldColor);
}
/**
* Applies the specified text appearance resource to a paint, returning the text color if one is
* set in the text appearance.
*
* @param p the paint to modify
* @param resId the resource ID of the text appearance
* @return the text color, if available
*/
private ColorStateList applyTextAppearance(Paint p, int resId) {
final TypedArray ta =
mContext.obtainStyledAttributes(null, R.styleable.TextAppearance, 0, resId);
final String fontFamily = ta.getString(R.styleable.TextAppearance_fontFamily);
if (fontFamily != null) {
p.setTypeface(Typeface.create(fontFamily, 0));
}
p.setTextSize(
ta.getDimensionPixelSize(R.styleable.TextAppearance_textSize, (int) p.getTextSize()));
final ColorStateList textColor = ta.getColorStateList(R.styleable.TextAppearance_textColor);
if (textColor != null) {
final int enabledColor = textColor.getColorForState(ENABLED_STATE_SET, 0);
p.setColor(enabledColor);
}
ta.recycle();
return textColor;
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
Log.i(
"tonghu",
"Xfermoders.SampleView－onDraw :" + canvas.getWidth() + ", " + canvas.getHeight());
canvas.drawColor(Color.WHITE);
canvas.translate(15, 35);
int x = 0;
int y = 0;
for (int i = 0; i < sModes.length; i++) {
paint.setShader(null);
paint.setColor(Color.BLACK);
paint.setStyle(Style.STROKE);
canvas.drawRect(x - 0.5f, y - 0.5f, x + W + 0.5f, y + H + 0.5f, paint);
paint.setShader(bg);
paint.setStyle(Style.FILL);
canvas.drawRect(x, y, x + W, y + H, paint);
paint.setShader(null);
int saveLayer = canvas.saveLayer(x, y, x + W, y + H, paint, Canvas.ALL_SAVE_FLAG);
canvas.drawBitmap(dstB, x, y, paint);
paint.setXfermode(sModes[i]);
canvas.drawBitmap(srcB, x, y, paint);
canvas.drawText(labels[i], x + W / 2, y - labelP.getTextSize() / 2, labelP);
paint.setXfermode(null);
canvas.restoreToCount(saveLayer);
x += W + 10;
if ((i % ROW_MAX) == ROW_MAX - 1) {
x = 0;
y += H + 30;
}
}
}
// Workaround to fix missing text on Lollipop and above,
// and probably some rendering issues with Jelly Bean and above
// Modified from http://stackoverflow.com/a/14989037/746068
public static void drawTextOnCanvasWithMagnifier(
Canvas canvas, String text, float x, float y, Paint paint) {
if (android.os.Build.VERSION.SDK_INT <= 15) {
// draw normally
canvas.drawText(text, x, y, paint);
} else {
// workaround
float originalStrokeWidth = paint.getStrokeWidth();
float originalTextSize = paint.getTextSize();
final float magnifier = 1000f;
canvas.save();
canvas.scale(1f / magnifier, 1f / magnifier);
paint.setTextSize(originalTextSize * magnifier);
paint.setStrokeWidth(originalStrokeWidth * magnifier);
canvas.drawText(text, x * magnifier, y * magnifier, paint);
canvas.restore();
paint.setTextSize(originalTextSize);
paint.setStrokeWidth(originalStrokeWidth);
}
}
@Override
protected void dispatchDraw(Canvas canvas) {
if (showcaseX < 0 || showcaseY < 0 || isRedundant) {
super.dispatchDraw(canvas);
return;
}
Bitmap b =
Bitmap.createBitmap(getMeasuredWidth(), getMeasuredHeight(), Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(b);
// Draw the semi-transparent background
c.drawColor(backColor);
// Draw to the scale specified
Matrix mm = new Matrix();
mm.postScale(scaleMultiplier, scaleMultiplier, showcaseX, showcaseY);
c.setMatrix(mm);
// Erase the area for the ring
c.drawCircle(showcaseX, showcaseY, showcaseRadius, mEraser);
boolean recalculateText = makeVoidedRect() || mAlteredText;
mAlteredText = false;
showcase.setBounds(voidedArea);
showcase.draw(c);
canvas.drawBitmap(b, 0, 0, null);
// Clean up, as we no longer require these items.
try {
c.setBitmap(null);
} catch (NullPointerException npe) {
// TODO why does this NPE happen?
npe.printStackTrace();
}
b.recycle();
b = null;
if (!TextUtils.isEmpty(mTitleText) || !TextUtils.isEmpty(mSubText)) {
if (recalculateText) {
mBestTextPosition = getBestTextPosition(canvas.getWidth(), canvas.getHeight());
}
if (!TextUtils.isEmpty(mTitleText)) {
// TODO: use a dynamic detail layout
canvas.save();
float width = mPaintTitle.measureText(mTitleText);
canvas.rotate(
mOrientation,
mBestTextPosition[0] + width / 2.0f,
mBestTextPosition[1] + mPaintTitle.getTextSize() / 2.0f);
canvas.drawText(mTitleText, mBestTextPosition[0], mBestTextPosition[1], mPaintTitle);
canvas.restore();
}
if (!TextUtils.isEmpty(mSubText)) {
canvas.save();
if (recalculateText)
mDynamicDetailLayout =
new DynamicLayout(
mSubText,
mPaintDetail,
((Number) mBestTextPosition[2]).intValue(),
Layout.Alignment.ALIGN_NORMAL,
1.2f,
1.0f,
true);
if (mOrientation % 180 == 0) {
canvas.translate(mBestTextPosition[0], mBestTextPosition[1]);
} else {
canvas.rotate(
mOrientation,
mDynamicDetailLayout.getWidth() / 2,
mDynamicDetailLayout.getHeight() / 2);
}
mDynamicDetailLayout.draw(canvas);
canvas.restore();
}
}
super.dispatchDraw(canvas);
}
/**
* If the canvas is null, then only touch calculations are performed to pick the target candidate.
*/
@Override
protected void onDraw(Canvas canvas) {
// public void draw(Canvas canvas) {
if (canvas != null) {
super.onDraw(canvas);
// super.draw(canvas);
}
mTotalWidth = 0;
if (mSuggestions == null) return;
if (mBgPadding == null) {
mBgPadding = new Rect(0, 0, 0, 0);
if (getBackground() != null) {
getBackground().getPadding(mBgPadding);
}
}
int x = 0;
final int count = mSuggestions.size();
final int height = getHeight();
final Rect bgPadding = mBgPadding;
final Paint paint = mPaint;
final int touchX = mTouchX;
final int scrollX = getScrollX();
final boolean scrolled = mScrolled;
final boolean typedWordValid = mTypedWordValid;
final int y = (int) (((height - mPaint.getTextSize()) / 2) - mPaint.ascent());
for (int i = 0; i < count; i++) {
String suggestion = mSuggestions.get(i);
float textWidth = paint.measureText(suggestion);
final int wordWidth = (int) textWidth + X_GAP * 2;
mWordX[i] = x;
mWordWidth[i] = wordWidth;
paint.setColor(mColorNormal);
if (touchX + scrollX >= x && touchX + scrollX < x + wordWidth && !scrolled) {
if (canvas != null) {
canvas.translate(x, 0);
mSelectionHighlight.setBounds(0, bgPadding.top, wordWidth, height);
mSelectionHighlight.draw(canvas);
canvas.translate(-x, 0);
}
mSelectedIndex = i;
}
if (canvas != null) {
if ((i == 1 && !typedWordValid) || (i == 0 && typedWordValid)) {
paint.setFakeBoldText(true);
paint.setColor(mColorRecommended);
} else if (i != 0) {
paint.setColor(mColorOther);
}
canvas.drawText(suggestion, x + X_GAP, y, paint);
paint.setColor(mColorOther);
canvas.drawLine(
x + wordWidth + 0.5f, bgPadding.top, x + wordWidth + 0.5f, height + 1, paint);
paint.setFakeBoldText(false);
}
x += wordWidth;
}
mTotalWidth = x;
if (mTargetScrollX != getScrollX()) {
scrollToTarget();
}
}
public float getTextSize() {
return mPaintText.getTextSize();
}