private int fontSizeCompare(float sizeDp, int cols, int rows, int width, int height) { // read new metrics to get exact pixel dimensions defaultPaint.setTextSize((int) (sizeDp * this.displayDensity + 0.5f)); FontMetrics fm = defaultPaint.getFontMetrics(); float[] widths = new float[1]; defaultPaint.getTextWidths("X", widths); int termWidth = (int) widths[0] * cols; int termHeight = (int) Math.ceil(fm.descent - fm.top) * rows; Log.d("fontsize", String.format("font size %fdp resulted in %d x %d", sizeDp, termWidth, termHeight)); // Check to see if it fits in resolution specified. if (termWidth > width || termHeight > height) return 1; if (termWidth == width || termHeight == height) return 0; return -1; }
/** * Constructs the generator and initializes the common members ignoring display density. * * @param iconWidthPx The width of the generated icon in pixels. * @param iconHeightPx The height of the generated icon in pixels. * @param cornerRadiusPx The radius of the corners in the icon in pixels. * @param backgroundColor Color at which the rounded rectangle should be drawn. * @param textSizePx Size at which the text should be drawn in pixels. */ public RoundedIconGenerator(int iconWidthPx, int iconHeightPx, int cornerRadiusPx, int backgroundColor, float textSizePx) { mIconWidthPx = iconWidthPx; mIconHeightPx = iconHeightPx; mCornerRadiusPx = cornerRadiusPx; mBackgroundRect = new RectF(0, 0, mIconWidthPx, mIconHeightPx); mBackgroundPaint = new Paint(Paint.ANTI_ALIAS_FLAG); mBackgroundPaint.setColor(backgroundColor); mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG); mTextPaint.setColor(Color.WHITE); mTextPaint.setFakeBoldText(true); mTextPaint.setTextSize(textSizePx); FontMetrics textFontMetrics = mTextPaint.getFontMetrics(); mTextHeight = (float) Math.ceil(textFontMetrics.bottom - textFontMetrics.top); mTextYOffset = -textFontMetrics.top; }
private void init(){ mWidth = (int) getPaint().measureText(getText().toString()); FontMetrics fm = getPaint().getFontMetrics(); mFontHeiht = (float)Math.ceil(fm.descent - fm.ascent); int horizontalPadding = getHorizontalPaddint(); int verticalPadding = getVerticalPaddint(); mPath.reset(); mPath.moveTo(0, 0); mPath.lineTo(mWidth + horizontalPadding, 0); mPath.lineTo(mWidth + horizontalPadding, mFontHeiht + verticalPadding); mPath.lineTo(25, mFontHeiht + verticalPadding); mPath.lineTo(0, mFontHeiht+verticalPadding+25); mPath.close(); mPaint.setAntiAlias(true); mPaint.setColor(Color.RED); mPaint.setStyle(Style.FILL); getPaint().setColor(Color.WHITE);// 不知道什么原因，xml设置无效。暂时先在代码中设置。 }
public TitleBar(Context context) { super(context); BitmapFactory.Options opts = new BitmapFactory.Options(); opts.inJustDecodeBounds = true; BitmapFactory.decodeResource(getResources(), R.drawable.sys_title_bg_vertical, opts); height = opts.outHeight; setBackgroundResource(R.drawable.sys_title_bg_vertical); paint = new Paint(); paint.setAntiAlias(true); paint.setColor(Color.WHITE); paint.setTextSize(24); FontMetrics fm = paint.getFontMetrics(); yPostion = (height - fm.descent + fm.ascent) / 2 - fm.ascent; mBusyIndicator = new ProgressBar(getContext()); mBusyIndicator.setIndeterminate(true); //mBusyIndicator.setBackgroundResource(R.drawable.busy); addView(mBusyIndicator); mBusyIndicator.setVisibility(GONE); }
private int fontSizeCompare(float size, int cols, int rows, int width, int height) { // read new metrics to get exact pixel dimensions defaultPaint.setTextSize(size); FontMetrics fm = defaultPaint.getFontMetrics(); float[] widths = new float[1]; defaultPaint.getTextWidths("X", widths); int termWidth = (int)widths[0] * cols; int termHeight = (int)Math.ceil(fm.descent - fm.top) * rows; Log.d("fontsize", String.format("font size %f resulted in %d x %d", size, termWidth, termHeight)); // Check to see if it fits in resolution specified. if (termWidth > width || termHeight > height) return 1; if (termWidth == width || termHeight == height) return 0; return -1; }
/** * 描述：绘制文本，支持换行. * * @param canvas the canvas * @param text the text * @param maxWPix the max w pix * @param paint the paint * @param left the left * @param top the top * @return the int */ public static int drawText(Canvas canvas,String text,int maxWPix,TextPaint paint,int left,int top) { if(AbStrUtil.isEmpty(text)){ return 1; } //需要根据文字长度控制换行 //测量文字的长度 List<String> mStrList = getDrawRowStr(text,maxWPix,paint); FontMetrics fm = paint.getFontMetrics(); int hSize = (int)Math.ceil(fm.descent - fm.ascent)+2; for(int i=0;i<mStrList.size();i++){ //计算坐标 int x = left; int y = top+hSize/2+hSize*i; String textLine = mStrList.get(i); canvas.drawText(textLine,x,y, paint); } return mStrList.size(); }
private void init(){ mWidth = (int) getPaint().measureText(getText().toString()); FontMetrics fm = getPaint().getFontMetrics(); mFontHeiht = (float)Math.ceil(fm.descent - fm.ascent); int horizontalPadding = getHorizontalPaddint(); int verticalPadding = getVerticalPaddint(); mPath.reset(); mPath.moveTo(0, 0); mPath.lineTo(mWidth + horizontalPadding, 0); mPath.lineTo(mWidth + horizontalPadding, mFontHeiht + verticalPadding); mPath.lineTo(25, mFontHeiht + verticalPadding); mPath.lineTo(0, mFontHeiht+verticalPadding+25); mPath.close(); mPaint.setAntiAlias(true); mPaint.setColor(ResFinder.getColor("umeng_comm_topic_tip_bg")); mPaint.setStyle(Style.FILL); getPaint().setColor(Color.WHITE);// 不知道什么原因，xml设置无效。暂时先在代码中设置。 }
/** * Draw text. * * @param canvas the canvas * @param text the text * @param maxWPix the max w pix * @param paint the paint * @return the int */ public int drawText(Canvas canvas, String text, int maxWPix, TextPaint paint) { if (TextUtils.isEmpty(text)) { return 1; } // 需要根据文字长度控制换行 // 测量文字的长度 List<String> mStrList = getDrawRowStr(text, maxWPix, paint); FontMetrics fm = paint.getFontMetrics(); int hSize = (int)Math.ceil(fm.descent - fm.ascent); for (int i = 0; i < mStrList.size(); i++) { // 计算坐标 float x = leftPadding; float y = topPadding+hSize/2+i*(hSize+lineSpacing)+bottomPadding; String textLine = mStrList.get(i); if(i < maxLines){ canvas.drawText(textLine, x, y, paint); } } return mStrList.size(); }
protected void drawLabel(Canvas canvas, String labelText, List<RectF> prevLabelsBounds, int centerX, int centerY, float shortRadius, float longRadius, float currentAngle, float angle, int left, int right, int color, Paint paint, boolean line, boolean showMoreLabel) { LabelPoint labelPoint = drawLabelHandler(canvas, labelText, prevLabelsBounds, centerX, centerY, shortRadius, longRadius, currentAngle, angle, left, right, color, paint, line); String[] texts = labelText.split("/"); for (int index = 0; index < texts.length; index++) { canvas.drawText(texts[index], labelPoint.xLabel, labelPoint.yLabel, paint); FontMetrics fm = paint.getFontMetrics(); labelPoint.yLabel = labelPoint.yLabel + Math.round(fm.descent - fm.top) + 2; } if (line) { prevLabelsBounds.add(new RectF(labelPoint.xLabel, labelPoint.yLabel, labelPoint.xLabel + labelPoint.widthLabel, labelPoint.yLabel + labelPoint.size)); } }
/** * @see android.view.ViewGroup#dispatchDraw(Canvas) */ @Override protected void dispatchDraw(Canvas canvas) { if (mState == STATE_REFRESHING) { // // float centerX = mArrowImageView.getMeasuredWidth() / 2; // float centerY = mArrowImageView.getMeasuredHeight() / 2; // Matrix matrix = mArrowImageView.getImageMatrix(); // mArrowImageView.setScaleType(ScaleType.MATRIX); // matrix.postRotate(25, centerX, centerY); // mArrowImageView.setImageMatrix(matrix); } super.dispatchDraw(canvas); if (isInEditMode()) { return; } FontMetrics fontMetrics = mPaint.getFontMetrics(); // 计算文字高度 float fontHeight = fontMetrics.bottom - fontMetrics.top; // 计算文字baseline float textBaseY = getHeight() - (getHeight() - fontHeight) / 2 - fontMetrics.bottom; canvas.drawText(mstrTitle, getWidth() / 2 + mArrowImageView.getMeasuredWidth(), textBaseY, mPaint); }
/** * 画左右的Label * * @param canvas */ private void drawLabel(Canvas canvas) { canvas.save(); int vh = getHeight(); FontMetrics fontMetrics = paint.getFontMetrics(); // 计算文字高度 float fontHeight = fontMetrics.bottom - fontMetrics.top; // 计算文字baseline float y = PADDING + vh - (vh - fontHeight) / 2 - fontMetrics.bottom; if (!TextUtils.isEmpty(mRightLabel)) { canvas.drawText(mRightLabel, getWidth() - rightLabelLen / 2 - PADDING, y, labelPaint); } if (!TextUtils.isEmpty(mLeftLabel)) { canvas.drawText(mLeftLabel, PADDING + leftLabelLen / 2, y, labelPaint); } canvas.restore(); }
private void initVariable() { mCirclePaint = new Paint(); mCirclePaint.setAntiAlias(true); mCirclePaint.setColor(mCircleColor); mCirclePaint.setStyle(Paint.Style.FILL); mRingPaint = new Paint(); mRingPaint.setAntiAlias(true); mRingPaint.setColor(mRingColor); mRingPaint.setStyle(Paint.Style.STROKE); mRingPaint.setStrokeWidth(mStrokeWidth); mTextPaint = new Paint(); mTextPaint.setAntiAlias(true); mTextPaint.setStyle(Paint.Style.FILL); mTextPaint.setARGB(255, 255, 255, 255); mTextPaint.setTextSize(mRadius / 2); FontMetrics fm = mTextPaint.getFontMetrics(); mTxtHeight = (int) Math.ceil(fm.descent - fm.ascent); }
protected void onDraw(Canvas canvas){ Paint paint = new Paint(); paint.setStyle(Style.STROKE); paint.setAntiAlias(true); paint.setColor(0xffe9e9e9); paint.setTextSize(Function.getFitPx(getContext(), 30)); FontMetrics fm = paint.getFontMetrics(); // canvas.drawRect(drawRect, paint); canvas.drawLine(drawRect.left, drawRect.top, drawRect.right, drawRect.top, paint); canvas.drawLine(drawRect.left, drawRect.bottom, drawRect.right, drawRect.bottom, paint); float h = (maxValue - minValue) / 2; float y = Function.getYCoordinate(drawRect, minValue+h, maxValue, minValue); paint.setColor(0xffbbbbbc); canvas.drawLine(drawRect.left, y, drawRect.right, y, paint); paint.setTextAlign(Align.RIGHT); int baseline = (int) (drawRect.top + (drawRect.bottom - drawRect.top - fm.bottom + fm.top) / 2 - fm.top); canvas.drawText("0%", drawRect.left-Function.getFitPx(getContext(), 20), baseline, paint); paint.setColor(getContext().getResources().getColor(R.color.font_de3031)); canvas.drawText("3.4%", drawRect.left-Function.getFitPx(getContext(), 20), drawRect.top-(fm.top-fm.bottom)/2 + 2, paint); paint.setColor(getContext().getResources().getColor(R.color.font_32a632)); canvas.drawText("-3.4%", drawRect.left-Function.getFitPx(getContext(), 20), drawRect.bottom, paint); }
@Override protected void onDraw(Canvas canvas) { Paint mPaint = getPaint(); //Get font's height & leading: FontMetrics fm = mPaint.getFontMetrics(); float height = fm.descent - fm.ascent + fm.leading; float x = 0; float y = height; String[] textLines = autoSplit(getText().toString(), mPaint, getWidth()); for (String textLine : textLines) { canvas.drawText(textLine, x, y, mPaint); y += height; } }
/** * Request a different font size. Will make call to parentChanged() to make * sure we resize PTY if needed. * * @param sizeDp Size of font in dp */ private final void setFontSize(float sizeDp) { if (sizeDp <= 0.0) { return; } final int fontSizePx = (int) (sizeDp * this.displayDensity + 0.5f); defaultPaint.setTextSize(fontSizePx); fontSizeDp = sizeDp; // read new metrics to get exact pixel dimensions FontMetrics fm = defaultPaint.getFontMetrics(); charTop = (int) Math.ceil(fm.top); float[] widths = new float[1]; defaultPaint.getTextWidths("X", widths); charWidth = (int) Math.ceil(widths[0]); charHeight = (int) Math.ceil(fm.descent - fm.top); // refresh any bitmap with new font size if (parent != null) { parentChanged(parent); } for (FontSizeChangedListener ofscl : fontSizeChangedListeners) { ofscl.onFontSizeChanged(sizeDp); } host.setFontSize((int) sizeDp); manager.hostdb.saveHost(host); forcedSize = false; }
private boolean initOverlayParams(Matrix matrix) { if (overlayParams == null || pageBounds == null) { return false; } // Overlay params previously initiated; skip if (overlayParams.init) { return true; } int overlayColor = overlayTextColor; if (isNightMode) { overlayColor = Color.rgb(nightModeTextBrightness, nightModeTextBrightness, nightModeTextBrightness); } overlayParams.paint.setColor(overlayColor); // Use font metrics to calculate the maximum possible height of the text FontMetrics fm = overlayParams.paint.getFontMetrics(); final RectF mappedRect = new RectF(); matrix.mapRect(mappedRect, pageBounds); // Calculate where the text's baseline should be // (for top text and bottom text) // (p.s. parts of the glyphs will be below the baseline such as a // 'y' or 'ي') overlayParams.topBaseline = -fm.top; overlayParams.bottomBaseline = getHeight() - fm.bottom; // Calculate the horizontal margins off the edge of screen overlayParams.offsetX = Math.min( mappedRect.left, getWidth() - mappedRect.right); overlayParams.init = true; return true; }
/** * 获取字体的高度 * @param fontSize * @return */ private int getFontHeight(float fontSize){ Paint paint = new Paint(); paint.setTextSize(fontSize); FontMetrics fm = paint.getFontMetrics(); return (int) Math.ceil(fm.descent - fm.top) + 2; }
/** * @param context The current Android's context. * @param incognito Whether the title are for incognito mode. * @param nullFaviconResourceId A drawable resource id of a default favicon. */ public TitleBitmapFactory(Context context, boolean incognito, int nullFaviconResourceId) { mNullFaviconResourceId = nullFaviconResourceId; Resources res = context.getResources(); int textColor = ApiCompatibilityUtils.getColor(res, incognito ? R.color.compositor_tab_title_bar_text_incognito : R.color.compositor_tab_title_bar_text); float textSize = res.getDimension(R.dimen.compositor_tab_title_text_size); boolean fakeBoldText = res.getBoolean(R.bool.compositor_tab_title_fake_bold_text); mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG); mTextPaint.setColor(textColor); mTextPaint.setTextSize(textSize); mTextPaint.setFakeBoldText(fakeBoldText); mTextPaint.density = res.getDisplayMetrics().density; FontMetrics textFontMetrics = mTextPaint.getFontMetrics(); mTextHeight = (float) Math.ceil(textFontMetrics.bottom - textFontMetrics.top); mTextYOffset = -textFontMetrics.top; mFaviconDimension = res.getDimensionPixelSize(R.dimen.compositor_tab_title_favicon_size); mViewHeight = (int) Math.max(mFaviconDimension, mTextHeight); int width = res.getDisplayMetrics().widthPixels; int height = res.getDisplayMetrics().heightPixels; mMaxWidth = (int) (TITLE_WIDTH_PERCENTAGE * Math.max(width, height)); // Set the favicon dimension here. mFaviconDimension = Math.min(mMaxWidth, mFaviconDimension); }
@Override public View onCreateView(ViewGroup parent) { View view = super.onCreateView(parent); if (mNoBottomSpacing) { ApiCompatibilityUtils.setPaddingRelative( view, ApiCompatibilityUtils.getPaddingStart(view), view.getPaddingTop(), ApiCompatibilityUtils.getPaddingEnd(view), 0); } ((TextView) view.findViewById(android.R.id.summary)).setMovementMethod( LinkMovementMethod.getInstance()); // The icon is aligned to the top of the text view, which can be higher than the // ascender line of the text, and makes it look aligned improperly. TextView textView = (TextView) view.findViewById( getTitle() != null ? android.R.id.title : android.R.id.summary); FontMetrics metrics = textView.getPaint().getFontMetrics(); ImageView icon = (ImageView) view.findViewById(android.R.id.icon); ApiCompatibilityUtils.setPaddingRelative( icon, 0, (int) java.lang.Math.ceil(metrics.ascent - metrics.top), 0, 0); return view; }
protected Float getCacheHeight(BaseDanmaku danmaku, Paint paint) { Float textSize = Float.valueOf(paint.getTextSize()); Float textHeight = (Float) sTextHeightCache.get(textSize); if (textHeight != null) { return textHeight; } FontMetrics fontMetrics = paint.getFontMetrics(); textHeight = Float.valueOf((fontMetrics.descent - fontMetrics.ascent) + fontMetrics.leading); sTextHeightCache.put(textSize, textHeight); return textHeight; }
/** * text height * * @param fontSize fontsize * @return fontsize `s height */ public int getFontHeight(float fontSize) { Paint paint = new Paint(); paint.setTextSize(fontSize); FontMetrics fm = paint.getFontMetrics(); return (int)Math.ceil(fm.descent - fm.ascent); }
/** * 返回字体高度 * * @param textSize * @return */ public static int getFontHeight(float textSize) { Paint paint = new Paint(); paint.setTextSize(textSize); FontMetrics fm = paint.getFontMetrics(); return (int) Math.ceil(fm.descent - fm.top) + 2; }
/** * 返回字体高度 * * @param textSize * @return */ public int getFontHeight(float textSize) { Paint paint = new Paint(); paint.setTextSize(textSize); FontMetrics fm = paint.getFontMetrics(); return (int) Math.ceil(fm.descent - fm.top) + 2; }
/** * get Font height */ public static int getFontHeight(TextView view) { Paint paint = new Paint(); paint.setTextSize(view.getTextSize()); FontMetrics fm = paint.getFontMetrics(); return (int) (Math.ceil(fm.descent - fm.ascent)); }
private void updateIconSize(float scale, int drawablePadding, Resources res, DisplayMetrics dm) { iconSizePx = (int) (Utilities.pxFromDp(inv.iconSize, dm) * scale); iconTextSizePx = (int) (Utilities.pxFromSp(inv.iconTextSize, dm) * scale); iconDrawablePaddingPx = drawablePadding; hotseatIconSizePx = (int) (Utilities.pxFromDp(inv.hotseatIconSize, dm) * scale); // Search Bar searchBarSpaceWidthPx = Math.min(widthPx, res.getDimensionPixelSize(R.dimen.dynamic_grid_search_bar_max_width)); searchBarSpaceHeightPx = getSearchBarTopOffset() + res.getDimensionPixelSize(R.dimen.dynamic_grid_search_bar_height); // Calculate the actual text height Paint textPaint = new Paint(); textPaint.setTextSize(iconTextSizePx); FontMetrics fm = textPaint.getFontMetrics(); cellWidthPx = iconSizePx; cellHeightPx = iconSizePx + iconDrawablePaddingPx + (int) Math.ceil(fm.bottom - fm.top); final float scaleDps = res.getDimensionPixelSize(R.dimen.dragViewScale); dragViewScale = (iconSizePx + scaleDps) / iconSizePx; // Hotseat hotseatBarHeightPx = iconSizePx + 4 * edgeMarginPx; hotseatCellWidthPx = iconSizePx; hotseatCellHeightPx = iconSizePx; // Folder folderCellWidthPx = cellWidthPx + 3 * edgeMarginPx; folderCellHeightPx = cellHeightPx + edgeMarginPx; folderBackgroundOffset = -edgeMarginPx; folderIconSizePx = iconSizePx + 2 * -folderBackgroundOffset; }
/** * 得到字符串信息包括行数，页数等信息 */ public void GetTextIfon() { char ch; int w = 0; int istart = 0; FontMetrics fm = mPaint.getFontMetrics();// 得到系统默认字体属性 mFontHeight = (int) (Math.ceil(fm.descent - fm.top) + 2);// 获得字体高度 mPageLineNum = mTextHeight / mFontHeight;// 获得行数 int count = this.mStrText.length(); for (int i = 0; i < count; i++) { ch = this.mStrText.charAt(i); float[] widths = new float[1]; String str = String.valueOf(ch); mPaint.getTextWidths(str, widths); if (ch == '\n') {//原为\n mRealLine++;// 真实的行数加一 mString.addElement(this.mStrText.substring(istart, i)); istart = i + 1; w = 0; } else { w += (int) Math.ceil(widths[0]); if (w > this.mTextWidth) { mRealLine++;// 真实的行数加一 mString.addElement(this.mStrText.substring(istart, i)); istart = i; i--; w = 0; } else { if (i == count - 1) { mRealLine++;// 真实的行数加一 mString.addElement(this.mStrText.substring(istart, count)); } } } } }
private void CalculateText() { paint.setTextSize(mFontSize); //获得字宽 if (mLineWidth == 0) { paint.getTextWidths("正", widths);//获取单个汉字的宽度 paint.getTextWidths(" ", space); // mLineWidth = (int) Math.ceil((widths[0] + space[0]) * 1.1 + 2); mLineWidth = (int) Math.ceil((widths[0] + space[0]) * 1.1 + 2) //获得字体宽度 + DisplayUtil.dp2px(getContext(), 2); //增加间距 } FontMetrics fm = paint.getFontMetrics(); // mFontHeight = (int) (Math.ceil(fm.descent - fm.top) * 0.9);// 获得字体高度 mFontHeight = (int) (Math.ceil(fm.descent - fm.ascent)) // 获得字体高度 + DisplayUtil.dp2px(getContext(), 2); //增加间距 //计算文字行数 mRealLine = 0; for (int i = 0; i < this.TextLength; i++) { ch = this.text.charAt(i); if (ch == '\n') { mRealLine++;// 真实的行数加一 h = 0; } else { h += mFontHeight; if (h > this.mTextHeight) { mRealLine++;// 真实的行数加一 i--; h = 0; } else { if (i == this.TextLength - 1) { mRealLine++;// 真实的行数加一 } } } } mRealLine += 1;//额外增加一行 mTextWidth = mLineWidth * mRealLine;//计算文字总宽度 measure(mTextWidth, getHeight());//重新调整大小 layout(getLeft(), getTop(), getLeft() + mTextWidth, getBottom());//重新绘制容器 }
private void initView() { mPaint = new TextPaint(); mPaint.setTextSize(mTextSize); mPaint.setTextAlign(Align.CENTER); mPaint.setAntiAlias(true); // 计算字体高度 FontMetrics fm = mPaint.getFontMetrics(); mTextHeight = (int) (fm.bottom - fm.top); // 滚动动画 mLineAnimator = new ValueAnimator(); mLineAnimator.setIntValues(0, 100); mLineAnimator.setDuration(mLineAnimDuration); mLineAnimator.addUpdateListener(new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { int value = (Integer) animation.getAnimatedValue(); float percent = 1 - (float) value / 100; mLineOffset = (int) (mAnimOffset * percent); // 更新偏移值，重绘View invalidate(); } }); }
private void drawFirstVisibleColumn(Canvas canvas, float zoom, Paint paint) { FontMetrics fm = paint.getFontMetrics(); float visibleColumnWidth = 0; SheetScroller minRowAndColumnInformation = sheetview.getMinRowAndColumnInformation(); //draw rest part of first column float columnWidht = (minRowAndColumnInformation.getColumnWidth() * zoom); visibleColumnWidth = (float)(minRowAndColumnInformation.getVisibleColumnWidth() * zoom); // 绘制header if(HeaderUtil.instance().isActiveColumn(sheetview.getCurrentSheet(), minRowAndColumnInformation.getMinColumnIndex())) { paint.setColor(SSConstant.ACTIVE_COLOR); } else { paint.setColor(SSConstant.HEADER_FILL_COLOR); } rect.set((int)x, 0, (int)(x + visibleColumnWidth), columnHeaderHeight); canvas.drawRect(rect, paint); //header line paint.setColor(SSConstant.HEADER_GRIDLINE_COLOR); canvas.drawRect(x, 0, x + 1, columnHeaderHeight, paint); // 绘制文本 canvas.save(); canvas.clipRect(rect); paint.setColor(SSConstant.HEADER_TEXT_COLOR); String rowText = HeaderUtil.instance().getColumnHeaderTextByIndex(minRowAndColumnInformation.getMinColumnIndex()); float textWidth = paint.measureText(rowText); float textX = (columnWidht - textWidth) / 2; float textY = (int)(columnHeaderHeight - Math.ceil(fm.descent - fm.ascent)) / 2; canvas.drawText(rowText, x + textX - (columnWidht - visibleColumnWidth), textY - fm.ascent, paint); canvas.restore(); }
/** * single legend width and height * @param renderer * @param titles * @param paint * @param chartWidth * @return */ public Rectangle getSingleAutoLegendSize(DefaultRenderer renderer, String[] titles, Paint paint, int legendWidth) { float width = -1f; float height = -1f; paint.setTextSize(renderer.getLegendTextSize() * renderer.getZoomRate()); int seriesCnt = Math.min(titles.length, renderer.getSeriesRendererCount()); for (int i = 0; i < seriesCnt; i++) { String text = titles[i].replace("\n", " "); //the rest cell FontMetrics fm = paint.getFontMetrics(); // 文本高度 height = Math.max((float)(Math.ceil(fm.descent - fm.ascent)), height); // 文本宽度 width = Math.max((float)(paint.measureText(text)), width); } float maxLegendTextWidth = legendWidth - getLegendShapeWidth(0) * renderer.getZoomRate() * 2; if(width > maxLegendTextWidth) { //the max width legend shape layout more than one lines int lines = (int)Math.ceil(width / maxLegendTextWidth); return new Rectangle(legendWidth, (int)Math.ceil(height) * lines); } else { return new Rectangle((int)Math.ceil(width + getLegendShapeWidth(0) * renderer.getZoomRate() * 2), (int)Math.ceil(height)); } }
@Override public void draw(Canvas canvas) { if (first) { invalidateXY(); if (!mEditText.isFocused() && mEditText.getText().length() == 0) down(); first = false; } FontMetrics fm = mTextPaint.getFontMetrics(); float baseline = 0 - fm.top; float mTxtHeight = fm.bottom - fm.top; float mTxtWidth = mTextPaint.measureText(hintText); mRectF.set(xOffset, yOffset - baseline, xOffset + mTxtWidth, yOffset - baseline + mTxtHeight); canvas.save(); canvas.clipRect(mRectF, Region.Op.DIFFERENCE); mShape.resize(canvas.getWidth(), canvas.getHeight() - mPaddingTop); canvas.translate(0, mPaddingTop); mShape.draw(canvas, mPaint); canvas.restore(); mTextPaint.setTextSize(mEditText.getTextSize()); mTextPaint.setColor(mColor); canvas.drawText(hintText, xOffset, yOffset, mTextPaint); }
/** * Request a different font size. Will make call to parentChanged() to make * sure we resize PTY if needed. */ /* package */ final void setFontSize(float size) { if (size <= 0.0) return; defaultPaint.setTextSize(size); fontSize = size; // read new metrics to get exact pixel dimensions FontMetrics fm = defaultPaint.getFontMetrics(); charTop = (int)Math.ceil(fm.top); float[] widths = new float[1]; defaultPaint.getTextWidths("X", widths); charWidth = (int)Math.ceil(widths[0]); charHeight = (int)Math.ceil(fm.descent - fm.top); // refresh any bitmap with new font size if(parent != null) parentChanged(parent); for (FontSizeChangedListener ofscl : fontSizeChangedListeners) ofscl.onFontSizeChanged(size); host.setFontSize((int) fontSize); manager.hostdb.updateFontSize(host); forcedSize = false; }
/** * 描述：TODO. * * @param canvas the canvas * @see android.view.View#onDraw(android.graphics.Canvas) * @author: amsoft.cn * @date：2013-6-17 上午9:04:49 * @version v1.0 */ @Override protected void onDraw(Canvas canvas) { //if(D)Log4jLog.d(LONG_TAG, "--AbMonitorView onDraw--"); canvas.drawColor(Color.argb(80, 0, 0, 0)); if (mStartTime == -1) { mStartTime = SystemClock.elapsedRealtime(); mCounter = 0; } long now = SystemClock.elapsedRealtime(); long delay = now - mStartTime; if(delay!=0){ // 计算帧速率 mFps = (int)(mCounter * 1000 / delay); } String text = mFps + " fps"; //获取值的文本的高度 TextPaint mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG); mTextPaint.setTypeface(Typeface.DEFAULT); mTextPaint.setTextSize(16); FontMetrics fm = mTextPaint.getFontMetrics(); //得到行高 int textHeight = (int)Math.ceil(fm.descent - fm.ascent)+2; int textWidth = (int)AbGraphical.getStringWidth(text,mTextPaint); canvas.drawText(text,(this.getWidth()-textWidth)/2, textHeight, mPaint); if (delay > 1000L) { mStartTime = now; mFps = mCounter; mCounter = 0; } mCounter++; super.onDraw(canvas); }
