List of usage examples for android.graphics Paint getFontMetrics
public FontMetrics getFontMetrics()
From source file:com.chibatching.imgindicatortab.ImgIndicatorTab.java
@Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); if (mViewPager == null) { return;//www .j a v a 2 s. c o m } int tabCount = mViewPager.getAdapter().getCount(); if (tabCount == 0) { return; } if (mCurrentPage >= tabCount) { setCurrentItem(tabCount - 1); } float tabWidth = (float) (getWidth() - getPaddingLeft() - getPaddingRight()) / tabCount; float centerY = getPaddingTop() + (float) (getHeight() - getPaddingTop() - getPaddingBottom()) / 2; for (int i = 0; i < tabCount; i++) { float tabCenterX = (tabWidth * i) + getPaddingLeft() + tabWidth / 2; CharSequence text = mViewPager.getAdapter().getPageTitle(i); Paint textPaint; if (mTextCurrentPage == i) { textPaint = mSelectedTextPaint; } else { textPaint = mDeselectedTextPaint; } Paint.FontMetrics metrics = textPaint.getFontMetrics(); float textWidth = textPaint.measureText(text, 0, text.length()); float textX = tabCenterX - textWidth / 2; float textY = centerY - (metrics.ascent + metrics.descent) / 2; canvas.drawText(text, 0, text.length(), textX, textY, textPaint); } if (mIndicator == null) { return; } Bitmap indicatorBitmap = ((BitmapDrawable) mIndicator).getBitmap(); int bitmapWidth = indicatorBitmap.getWidth(); int bitmapHeight = indicatorBitmap.getHeight(); float scale = 1f; if (mFitIndicator || bitmapWidth > tabWidth) { scale = tabWidth / bitmapWidth; } if (bitmapHeight * scale > getHeight()) { scale = getHeight() / bitmapHeight; } float tabCenterX = tabWidth * (mCurrentPage + mPositionOffset) + getPaddingLeft() + tabWidth / 2; float bitmapX = tabCenterX - (bitmapWidth * scale) / 2; float bitmapY = getHeight() - bitmapHeight * scale; // Set matrix for bitmap mMatrix.reset(); mMatrix.postScale(scale, scale); mMatrix.postTranslate(bitmapX, bitmapY); canvas.drawBitmap(indicatorBitmap, mMatrix, mIndicatorPaint); }
From source file:jp.gr.java_conf.piropiroping.bluetoothcommander.MainActivity.java
private void convertBitmapCommand(String command, int start, int stop) { //???/* ww w . j a v a 2 s . c o m*/ Paint objPaint = new Paint(); Bitmap objBitmap; Canvas objCanvas; int textSize = 40; int textWidth = textSize * command.length(), textHeight = textSize; objPaint.setAntiAlias(true); objPaint.setColor(Color.BLUE); objPaint.setTextSize(textSize); Paint.FontMetrics fm = objPaint.getFontMetrics(); objPaint.getTextBounds(command, 0, command.length(), new Rect(0, 0, textWidth, textHeight)); //? textWidth = (int) objPaint.measureText(command); textHeight = (int) (Math.abs(fm.top) + fm.bottom); objBitmap = Bitmap.createBitmap(textWidth, textHeight, Bitmap.Config.ARGB_8888); //??? objCanvas = new Canvas(objBitmap); objCanvas.drawText(command, 0, Math.abs(fm.top), objPaint); Editable editable = mOutEditText.getText(); SpannableStringBuilder ssb = (SpannableStringBuilder) editable; ImageSpan is = new ImageSpan(getApplicationContext(), objBitmap); ssb.setSpan(is, start, stop + 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); }
From source file:com.android.launcher3.Utilities.java
/** * Calculates the height of a given string at a specific text size. *///from www. j a v a2 s . c o m public static int calculateTextHeight(float textSizePx) { Paint p = new Paint(); p.setTextSize(textSizePx); Paint.FontMetrics fm = p.getFontMetrics(); return (int) Math.ceil(fm.bottom - fm.top); }
From source file:net.toload.main.hd.candidate.CandidateView.java
/** * Update composing to correct location with a delay after setComposing. */// www. j av a 2s . c o m public void doUpdateComposing() { if (DEBUG) Log.i(TAG, "doUpdateComposing(): this.isShown()" + this.isShown() + "; embeddedComposing is null:" + (embeddedComposing == null)); if (embeddedComposing != null) return; //Jeremy '15,6, 4 bypass updating popup when composing view is embedded in candidate container //mComposingTextView.measure( //MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), //MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED)); //final int popupWidth = mComposingTextView.getMeasuredWidth(); //Jeremy '12,6,2 use getWidth and getHeight instead //final int popupHeight = mComposingTextView.getMeasuredHeight(); // getMeasuredWidth cannot get correct width of textVIEW in android 6 Jeremy '16,7,16 String composingText = String.valueOf(mComposingTextView.getText()); if (composingText == null) return; // avoid measureText on null object. Jeremy '16/7/26 Paint paint = mComposingTextView.getPaint(); Paint.FontMetrics metrics = paint.getFontMetrics(); final int popupWidth = (int) paint.measureText(composingText); final int popupHeight = (int) (metrics.bottom - metrics.top); int[] offsetInWindow = new int[2]; this.getLocationInWindow(offsetInWindow); int mPopupComposingY = offsetInWindow[1]; int mPopupComposingX = 0; mPopupComposingY -= popupHeight; if (DEBUG) Log.i(TAG, "doUpdateComposing():mPopupComposingX:" + mPopupComposingX + ". mPopupComposingY:" + mPopupComposingY + ". popupWidth = " + popupWidth + ". popupHeight = " + popupHeight + ". mComposingTextPopup.isShowing()=" + mComposingTextPopup.isShowing()); try { if (mComposingTextPopup.isShowing()) { mComposingTextPopup.update(mPopupComposingX, mPopupComposingY, popupWidth, popupHeight); } else { mComposingTextPopup.setWidth(popupWidth); mComposingTextPopup.setHeight(popupHeight); mComposingTextPopup.showAtLocation(this, Gravity.NO_GRAVITY, mPopupComposingX, mPopupComposingY); } } catch (Exception e) { // ignore candidate construct error e.printStackTrace(); } }
From source file:com.cssn.samplesdk.MainActivity.java
/** * */// ww w . j a v a 2 s . co m @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (Util.LOG_ENABLED) { Utils.appendLog(TAG, "protected void onCreate(Bundle savedInstanceState)"); } // load the model if (savedInstanceState == null) { if (Util.LOG_ENABLED) { Utils.appendLog(TAG, "if (savedInstanceState == null)"); } mainActivityModel = new MainActivityModel(); } else { if (Util.LOG_ENABLED) { Utils.appendLog(TAG, "if (savedInstanceState != null)"); } mainActivityModel = DataContext.getInstance().getMainActivityModel(); // if coming from background and kill the app, restart the model if (mainActivityModel == null) { mainActivityModel = new MainActivityModel(); } } DataContext.getInstance().setContext(getApplicationContext()); String licenseKey = DataContext.getInstance().getLicenseKey(); // load the controller instance acuantAndroidMobileSdkControllerInstance = AcuantAndroidMobileSDKController.getInstance(this, licenseKey); if (!Util.isTablet(this)) { acuantAndroidMobileSdkControllerInstance .setPdf417BarcodeImageDrawable(getResources().getDrawable(R.drawable.barcode)); } acuantAndroidMobileSdkControllerInstance.setWebServiceListener(this); acuantAndroidMobileSdkControllerInstance.setCloudUrl("cssnwebservices.com"); acuantAndroidMobileSdkControllerInstance.setWatermarkText("Powered By Acuant", 0, 0, 30, 0); DisplayMetrics metrics = this.getResources().getDisplayMetrics(); DisplayMetrics displaymetrics = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(displaymetrics); int height = displaymetrics.heightPixels; int width = displaymetrics.widthPixels; int minLength = (int) (Math.min(width, height) * 0.9); int maxLength = (int) (minLength * 1.5); int left = minLength / 2 - 50; int top = maxLength / 2 - 100; Paint textPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG); Typeface currentTypeFace = textPaint.getTypeface(); Typeface bold = Typeface.create(currentTypeFace, Typeface.BOLD); textPaint.setColor(Color.WHITE); textPaint.setTextSize(50); textPaint.setTextAlign(Paint.Align.LEFT); textPaint.setTypeface(bold); Paint.FontMetrics metric = textPaint.getFontMetrics(); acuantAndroidMobileSdkControllerInstance.setInstructionText("Blink Slowly", left, top, textPaint); //acuantAndroidMobileSdkControllerInstance.setShowActionBar(false); //acuantAndroidMobileSdkControllerInstance.setShowStatusBar(false); acuantAndroidMobileSdkControllerInstance.setFlashlight(false); //acuantAndroidMobileSdkControllerInstance.setFlashlight(0,0,50,0); //acuantAndroidMobileSdkControllerInstance.setFlashlightImageDrawable(getResources().getDrawable(R.drawable.lighton), getResources().getDrawable(R.drawable.lightoff)); //acuantAndroidMobileSdkControllerInstance.setShowInitialMessage(true); //acuantAndroidMobileSdkControllerInstance.setCropBarcode(true); //acuantAndroidMobileSdkControllerInstance.setPdf417BarcodeDialogWaitingBarcode("AcuantAndroidMobileSampleSDK","ALIGN AND TAP", 10, "Try Again", "Yes"); acuantAndroidMobileSdkControllerInstance.setCanShowBracketsOnTablet(true); // load several member variables setContentView(R.layout.activity_main); layoutCards = (LinearLayout) findViewById(R.id.cardImagesLayout); layoutBackImage = (RelativeLayout) findViewById(R.id.relativeLayoutBackImage); layoutFrontImage = (RelativeLayout) findViewById(R.id.relativeLayoutFrontImage); frontImageView = (ImageView) findViewById(R.id.frontImageView); backImageView = (ImageView) findViewById(R.id.backImageView); editTextLicense = (EditText) findViewById(R.id.editTextLicenceKey); editTextLicense.setText(DataContext.getInstance().getLicenseKey()); txtTapToCaptureFront = (TextView) findViewById(R.id.txtTapToCaptureFront); txtTapToCaptureBack = (TextView) findViewById(R.id.txtTapToCaptureBack); activateLicenseButton = (Button) findViewById(R.id.activateLicenseButton); processCardButton = (Button) findViewById(R.id.processCardButton); processCardButton.setVisibility(View.INVISIBLE); editTextLicense.setOnEditorActionListener(new TextView.OnEditorActionListener() { @Override public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { validateLicenseKey(editTextLicense.getText().toString()); DataContext.getInstance().setLicenseKey(editTextLicense.getText().toString()); return true; } }); // it is necessary to use a post UI call, because of the previous set text on 'editTextLicense' new Handler().post(new Runnable() { @Override public void run() { editTextLicense.addTextChangedListener(new TextWatcher() { public void afterTextChanged(Editable s) { mainActivityModel.setState(State.NO_VALIDATED); updateActivateLicenseButtonFromModel(); } public void beforeTextChanged(CharSequence s, int start, int count, int after) { } public void onTextChanged(CharSequence s, int start, int before, int count) { } }); } }); editTextLicense.setOnFocusChangeListener(new OnFocusChangeListener() { public void onFocusChange(View v, boolean hasFocus) { if (!hasFocus) { hideVirtualKeyboard(); } } }); // update the UI from the model updateUI(); acuantAndroidMobileSdkControllerInstance.setCardCroppingListener(this); acuantAndroidMobileSdkControllerInstance.setAcuantErrorListener(this); if (Utils.LOG_ENABLED) { Utils.appendLog(TAG, "getScreenOrientation()=" + Util.getScreenOrientation(this)); } }
From source file:com.anysoftkeyboard.keyboards.views.AnyKeyboardBaseView.java
protected FontMetrics setPaintToKeyText(final Paint paint) { final FontMetrics fm; paint.setTextSize(mKeyTextSize);/* www . j a va 2s. c o m*/ paint.setTypeface(mKeyTextStyle); if (mTextFM == null) mTextFM = paint.getFontMetrics(); fm = mTextFM; return fm; }
From source file:com.anysoftkeyboard.keyboards.views.AnyKeyboardBaseView.java
private void onBufferDraw(Canvas canvas) { if (mKeyboardChanged) { invalidateAllKeys();//from w w w . j a v a 2 s. com mKeyboardChanged = false; } canvas.getClipBounds(mDirtyRect); if (mKeyboard == null) return; final boolean drawKeyboardNameText = (mKeyboardNameTextSize > 1f) && AnyApplication.getConfig().getShowKeyboardNameText(); final boolean drawHintText = (mHintTextSize > 1) && AnyApplication.getConfig().getShowHintTextOnKeys(); // TODO: calls to AnyApplication.getConfig().getXXXXX() functions are // not yet implemented, // but need to when allowing preferences to override theme settings of // these values // right now just using what should be the default values for these // unimplemented preferences final boolean useCustomKeyTextColor = false; // TODO: final boolean useCustomKeyTextColor = // AnyApplication.getConfig().getUseCustomTextColorOnKeys(); final ColorStateList keyTextColor = useCustomKeyTextColor ? new ColorStateList(new int[][] { { 0 } }, new int[] { 0xFF6666FF }) : mKeyTextColor; // TODO: ? AnyApplication.getConfig().getCustomKeyTextColorOnKeys() : // mKeyTextColor; final boolean useCustomHintColor = drawHintText && false; // TODO: final boolean useCustomHintColor = drawHintText && // AnyApplication.getConfig().getUseCustomHintColorOnKeys(); final ColorStateList hintColor = useCustomHintColor ? new ColorStateList(new int[][] { { 0 } }, new int[] { 0xFFFF6666 }) : mHintTextColor; // TODO: ? AnyApplication.getConfig().getCustomHintColorOnKeys() : // mHintTextColor; // allow preferences to override theme settings for hint text position final boolean useCustomHintAlign = drawHintText && AnyApplication.getConfig().getUseCustomHintAlign(); final int hintAlign = useCustomHintAlign ? AnyApplication.getConfig().getCustomHintAlign() : mHintLabelAlign; final int hintVAlign = useCustomHintAlign ? AnyApplication.getConfig().getCustomHintVAlign() : mHintLabelVAlign; final Paint paint = mPaint; final Drawable keyBackground = mKeyBackground; final Rect clipRegion = mClipRegion; final int kbdPaddingLeft = getPaddingLeft(); final int kbdPaddingTop = getPaddingTop(); final Key[] keys = mKeys; final Key invalidKey = mInvalidatedKey; boolean drawSingleKey = false; if (invalidKey != null && canvas.getClipBounds(clipRegion)) { // TODO we should use Rect.inset and Rect.contains here. // Is clipRegion completely contained within the invalidated key? if (invalidKey.x + kbdPaddingLeft - 1 <= clipRegion.left && invalidKey.y + kbdPaddingTop - 1 <= clipRegion.top && invalidKey.x + invalidKey.width + kbdPaddingLeft + 1 >= clipRegion.right && invalidKey.y + invalidKey.height + kbdPaddingTop + 1 >= clipRegion.bottom) { drawSingleKey = true; } } final int keyCount = keys.length; for (int i = 0; i < keyCount; i++) { final AnyKey key = (AnyKey) keys[i]; final boolean keyIsSpace = isSpaceKey(key); if (drawSingleKey && (invalidKey != key)) { continue; } if (!mDirtyRect.intersects(key.x + kbdPaddingLeft, key.y + kbdPaddingTop, key.x + key.width + kbdPaddingLeft, key.y + key.height + kbdPaddingTop)) { continue; } int[] drawableState = key.getCurrentDrawableState(mDrawableStatesProvider); if (keyIsSpace) paint.setColor(mKeyboardNameTextColor.getColorForState(drawableState, 0xFF000000)); else paint.setColor(keyTextColor.getColorForState(drawableState, 0xFF000000)); keyBackground.setState(drawableState); // Switch the character to uppercase if shift is pressed CharSequence label = key.label == null ? null : adjustCase(key).toString(); final Rect bounds = keyBackground.getBounds(); if ((key.width != bounds.right) || (key.height != bounds.bottom)) { keyBackground.setBounds(0, 0, key.width, key.height); } canvas.translate(key.x + kbdPaddingLeft, key.y + kbdPaddingTop); keyBackground.draw(canvas); if (TextUtils.isEmpty(label)) { Drawable iconToDraw = getIconToDrawForKey(key, false); if (iconToDraw != null/* && shouldDrawIcon */) { //http://developer.android.com/reference/android/graphics/drawable/Drawable.html#getCurrent() //http://stackoverflow.com/a/103600/1324235 final boolean is9Patch = iconToDraw.getCurrent() instanceof NinePatchDrawable; // Special handing for the upper-right number hint icons final int drawableWidth; final int drawableHeight; final int drawableX; final int drawableY; drawableWidth = is9Patch ? key.width : iconToDraw.getIntrinsicWidth(); drawableHeight = is9Patch ? key.height : iconToDraw.getIntrinsicHeight(); drawableX = (key.width + mKeyBackgroundPadding.left - mKeyBackgroundPadding.right - drawableWidth) / 2; drawableY = (key.height + mKeyBackgroundPadding.top - mKeyBackgroundPadding.bottom - drawableHeight) / 2; canvas.translate(drawableX, drawableY); iconToDraw.setBounds(0, 0, drawableWidth, drawableHeight); iconToDraw.draw(canvas); canvas.translate(-drawableX, -drawableY); if (keyIsSpace && drawKeyboardNameText) { // now a little hack, I'll set the label now, so it get // drawn. label = mKeyboardName; } } else { // ho... no icon. // I'll try to guess the text label = guessLabelForKey(key.codes[0]); if (TextUtils.isEmpty(label)) { Log.w(TAG, "That's unfortunate, for key " + key.codes[0] + " at (" + key.x + ", " + key.y + ") there is no icon nor label. Action ID is " + mKeyboardActionType); } } } if (label != null) { // For characters, use large font. For labels like "Done", use // small font. final FontMetrics fm; if (keyIsSpace) { paint.setTextSize(mKeyboardNameTextSize); paint.setTypeface(Typeface.DEFAULT_BOLD); if (mKeyboardNameFM == null) mKeyboardNameFM = paint.getFontMetrics(); fm = mKeyboardNameFM; } else if (label.length() > 1 && key.codes.length < 2) { paint.setTextSize(mLabelTextSize); paint.setTypeface(Typeface.DEFAULT_BOLD); if (mLabelFM == null) mLabelFM = paint.getFontMetrics(); fm = mLabelFM; } else { fm = setPaintToKeyText(paint); } final float labelHeight = -fm.top; // Draw a drop shadow for the text paint.setShadowLayer(mShadowRadius, mShadowOffsetX, mShadowOffsetY, mShadowColor); // (+)This is the trick to get RTL/LTR text correct // no matter what: StaticLayout // this should be in the top left corner of the key float textWidth = paint.measureText(label, 0, label.length()); // I'm going to try something if the key is too small for the // text: // 1) divide the text size by 1.5 // 2) if still too large, divide by 2.5 // 3) show no text if (textWidth > key.width) { Log.d(TAG, "Label '" + label + "' is too large for the key. Reducing by 1.5."); paint.setTextSize(mKeyTextSize / 1.5f); textWidth = paint.measureText(label, 0, label.length()); if (textWidth > key.width) { Log.d(TAG, "Label '" + label + "' is too large for the key. Reducing by 2.5."); paint.setTextSize(mKeyTextSize / 2.5f); textWidth = paint.measureText(label, 0, label.length()); if (textWidth > key.width) { Log.d(TAG, "Label '" + label + "' is too large for the key. Showing no text."); paint.setTextSize(0f); textWidth = paint.measureText(label, 0, label.length()); } } } // the center of the drawable space, which is value used // previously for vertically // positioning the key label final float centerY = mKeyBackgroundPadding.top + ((key.height - mKeyBackgroundPadding.top - mKeyBackgroundPadding.bottom) / (keyIsSpace ? 3 : 2));// the label on the space is a bit higher // the X coordinate for the center of the main label text is // unaffected by the hints final float centerX = mKeyBackgroundPadding.left + (key.width - mKeyBackgroundPadding.left - mKeyBackgroundPadding.right) / 2; final float textX = centerX; final float textY; // Some devices (mostly pre-Honeycomb, have issues with RTL text // drawing. // Of course, there is no issue with a single character :) // so, we'll use the RTL secured drawing (via StaticLayout) for // labels. if (label.length() > 1 && !AnyApplication.getConfig().workaround_alwaysUseDrawText()) { // calculate Y coordinate of top of text based on center // location textY = centerY - ((labelHeight - paint.descent()) / 2); canvas.translate(textX, textY); Log.d(TAG, "Using RTL fix for key draw '" + label + "'"); // RTL fix. But it costs, let do it when in need (more than // 1 character) StaticLayout labelText = new StaticLayout(label, new TextPaint(paint), (int) textWidth, Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false); labelText.draw(canvas); } else { // to get Y coordinate of baseline from center of text, // first add half the height (to get to // bottom of text), then subtract the part below the // baseline. Note that fm.top is negative. textY = centerY + ((labelHeight - paint.descent()) / 2); canvas.translate(textX, textY); canvas.drawText(label, 0, label.length(), 0, 0, paint); } canvas.translate(-textX, -textY); // (-) // Turn off drop shadow paint.setShadowLayer(0, 0, 0, 0); } if (drawHintText) { if ((key.popupCharacters != null && key.popupCharacters.length() > 0) || (key.popupResId != 0) || (key.longPressCode != 0)) { Paint.Align oldAlign = paint.getTextAlign(); String hintText = null; if (key.hintLabel != null && key.hintLabel.length() > 0) { hintText = key.hintLabel.toString(); // it is the responsibility of the keyboard layout // designer to ensure that they do // not put too many characters in the hint label... } else if (key.longPressCode != 0) { if (Character.isLetterOrDigit(key.longPressCode)) hintText = Character.toString((char) key.longPressCode); } else if (key.popupCharacters != null) { final String hintString = key.popupCharacters.toString(); final int hintLength = hintString.length(); if (hintLength <= 3) hintText = hintString; } // if hintText is still null, it means it didn't fit one of // the above // cases, so we should provide the hint using the default if (hintText == null) { if (mHintOverflowLabel != null) hintText = mHintOverflowLabel.toString(); else { // theme does not provide a defaultHintLabel // use if hints are above, ... if hints are // below // (to avoid being too close to main label/icon) if (hintVAlign == Gravity.TOP) hintText = ""; else hintText = "..."; } } if (mKeyboard.isShifted()) hintText = hintText.toUpperCase(); // now draw hint paint.setTypeface(Typeface.DEFAULT); paint.setColor(hintColor.getColorForState(drawableState, 0xFF000000)); paint.setTextSize(mHintTextSize); // get the hint text font metrics so that we know the size // of the hint when // we try to position the main label (to try to make sure // they don't overlap) if (mHintTextFM == null) { mHintTextFM = paint.getFontMetrics(); } final float hintX; final float hintY; // the (float) 0.5 value is added or subtracted to just give // a little more room // in case the theme designer didn't account for the hint // label location if (hintAlign == Gravity.LEFT) { // left paint.setTextAlign(Paint.Align.LEFT); hintX = mKeyBackgroundPadding.left + (float) 0.5; } else if (hintAlign == Gravity.CENTER) { // center paint.setTextAlign(Paint.Align.CENTER); hintX = mKeyBackgroundPadding.left + (key.width - mKeyBackgroundPadding.left - mKeyBackgroundPadding.right) / 2; } else { // right paint.setTextAlign(Paint.Align.RIGHT); hintX = key.width - mKeyBackgroundPadding.right - (float) 0.5; } if (hintVAlign == Gravity.TOP) { // above hintY = mKeyBackgroundPadding.top - mHintTextFM.top + (float) 0.5; } else { // below hintY = key.height - mKeyBackgroundPadding.bottom - mHintTextFM.bottom - (float) 0.5; } canvas.drawText(hintText, hintX, hintY, paint); paint.setTextAlign(oldAlign); } } canvas.translate(-key.x - kbdPaddingLeft, -key.y - kbdPaddingTop); } mInvalidatedKey = null; // Overlay a dark rectangle to dim the keyboard if (mMiniKeyboard != null && mMiniKeyboardVisible) { paint.setColor((int) (mBackgroundDimAmount * 0xFF) << 24); canvas.drawRect(0, 0, getWidth(), getHeight(), paint); } if (FeaturesSet.DEBUG_LOG) { if (mShowTouchPoints) { for (PointerTracker tracker : mPointerTrackers) { int startX = tracker.getStartX(); int startY = tracker.getStartY(); int lastX = tracker.getLastX(); int lastY = tracker.getLastY(); paint.setAlpha(128); paint.setColor(0xFFFF0000); canvas.drawCircle(startX, startY, 3, paint); canvas.drawLine(startX, startY, lastX, lastY, paint); paint.setColor(0xFF0000FF); canvas.drawCircle(lastX, lastY, 3, paint); paint.setColor(0xFF00FF00); canvas.drawCircle((startX + lastX) / 2, (startY + lastY) / 2, 2, paint); } } } mDrawPending = false; mDirtyRect.setEmpty(); }
From source file:com.anysoftkeyboard.keyboards.views.AnyKeyboardViewBase.java
@CallSuper protected void onBufferDraw(Canvas canvas, final Paint paint) { if (mKeyboardChanged) { invalidateAllKeys();// ww w. j a v a 2 s.c o m mKeyboardChanged = false; } canvas.getClipBounds(mDirtyRect); if (mKeyboard == null) return; final boolean drawKeyboardNameText = (mKeyboardNameTextSize > 1f) && AnyApplication.getConfig().getShowKeyboardNameText(); final boolean drawHintText = (mHintTextSize > 1) && AnyApplication.getConfig().getShowHintTextOnKeys(); final boolean useCustomKeyTextColor = false; // TODO: final boolean useCustomKeyTextColor = // AnyApplication.getConfig().getUseCustomTextColorOnKeys(); final ColorStateList keyTextColor = useCustomKeyTextColor ? new ColorStateList(new int[][] { { 0 } }, new int[] { 0xFF6666FF }) : mKeyTextColor; final boolean useCustomHintColor = drawHintText && false; // TODO: final boolean useCustomHintColor = drawHintText && final ColorStateList hintColor = useCustomHintColor ? new ColorStateList(new int[][] { { 0 } }, new int[] { 0xFFFF6666 }) : mHintTextColor; // allow preferences to override theme settings for hint text position final boolean useCustomHintAlign = drawHintText && AnyApplication.getConfig().getUseCustomHintAlign(); final int hintAlign = useCustomHintAlign ? AnyApplication.getConfig().getCustomHintAlign() : mHintLabelAlign; final int hintVAlign = useCustomHintAlign ? AnyApplication.getConfig().getCustomHintVAlign() : mHintLabelVAlign; final Drawable keyBackground = mKeyBackground; final Rect clipRegion = mClipRegion; final int kbdPaddingLeft = getPaddingLeft(); final int kbdPaddingTop = getPaddingTop(); final Key[] keys = mKeys; final Key invalidKey = mInvalidatedKey; boolean drawSingleKey = false; if (invalidKey != null && canvas.getClipBounds(clipRegion)) { // TODO we should use Rect.inset and Rect.contains here. // Is clipRegion completely contained within the invalidated key? if (invalidKey.x + kbdPaddingLeft - 1 <= clipRegion.left && invalidKey.y + kbdPaddingTop - 1 <= clipRegion.top && invalidKey.x + invalidKey.width + kbdPaddingLeft + 1 >= clipRegion.right && invalidKey.y + invalidKey.height + kbdPaddingTop + 1 >= clipRegion.bottom) { drawSingleKey = true; } } for (Key keyBase : keys) { final AnyKey key = (AnyKey) keyBase; final boolean keyIsSpace = isSpaceKey(key); if (drawSingleKey && (invalidKey != key)) { continue; } if (!mDirtyRect.intersects(key.x + kbdPaddingLeft, key.y + kbdPaddingTop, key.x + key.width + kbdPaddingLeft, key.y + key.height + kbdPaddingTop)) { continue; } int[] drawableState = key.getCurrentDrawableState(mDrawableStatesProvider); if (keyIsSpace) paint.setColor(mKeyboardNameTextColor); else paint.setColor(keyTextColor.getColorForState(drawableState, 0xFF000000)); keyBackground.setState(drawableState); // Switch the character to uppercase if shift is pressed CharSequence label = key.label == null ? null : adjustLabelToShiftState(key); final Rect bounds = keyBackground.getBounds(); if ((key.width != bounds.right) || (key.height != bounds.bottom)) { keyBackground.setBounds(0, 0, key.width, key.height); } canvas.translate(key.x + kbdPaddingLeft, key.y + kbdPaddingTop); keyBackground.draw(canvas); if (TextUtils.isEmpty(label)) { Drawable iconToDraw = getIconToDrawForKey(key, false); if (iconToDraw != null/* && shouldDrawIcon */) { //http://developer.android.com/reference/android/graphics/drawable/Drawable.html#getCurrent() //http://stackoverflow.com/a/103600/1324235 final boolean is9Patch = iconToDraw.getCurrent() instanceof NinePatchDrawable; // Special handing for the upper-right number hint icons final int drawableWidth; final int drawableHeight; final int drawableX; final int drawableY; drawableWidth = is9Patch ? key.width : iconToDraw.getIntrinsicWidth(); drawableHeight = is9Patch ? key.height : iconToDraw.getIntrinsicHeight(); drawableX = (key.width + mKeyBackgroundPadding.left - mKeyBackgroundPadding.right - drawableWidth) / 2; drawableY = (key.height + mKeyBackgroundPadding.top - mKeyBackgroundPadding.bottom - drawableHeight) / 2; canvas.translate(drawableX, drawableY); iconToDraw.setBounds(0, 0, drawableWidth, drawableHeight); iconToDraw.draw(canvas); canvas.translate(-drawableX, -drawableY); if (keyIsSpace && drawKeyboardNameText) { // now a little hack, I'll set the label now, so it get // drawn. label = mKeyboardName; } } else { // ho... no icon. // I'll try to guess the text label = guessLabelForKey(key.getPrimaryCode()); } } if (label != null) { // For characters, use large font. For labels like "Done", use // small font. final FontMetrics fm; if (keyIsSpace) { paint.setTextSize(mKeyboardNameTextSize); paint.setTypeface(Typeface.DEFAULT_BOLD); if (mKeyboardNameFontMetrics == null) mKeyboardNameFontMetrics = paint.getFontMetrics(); fm = mKeyboardNameFontMetrics; } else if (label.length() > 1 && key.getCodesCount() < 2) { setPaintForLabelText(paint); if (mLabelFontMetrics == null) mLabelFontMetrics = paint.getFontMetrics(); fm = mLabelFontMetrics; } else { setPaintToKeyText(paint); if (mTextFontMetrics == null) mTextFontMetrics = paint.getFontMetrics(); fm = mTextFontMetrics; } if (isLabelOfPictographic(label)) { paint.setTextSize(2f * paint.getTextSize()); } final float labelHeight = -fm.top; // Draw a drop shadow for the text paint.setShadowLayer(mShadowRadius, mShadowOffsetX, mShadowOffsetY, mShadowColor); final float textWidth = adjustTextSizeForLabel(paint, label, key.width); // the center of the drawable space, which is value used // previously for vertically // positioning the key label final float centerY = mKeyBackgroundPadding.top + ((key.height - mKeyBackgroundPadding.top - mKeyBackgroundPadding.bottom) / (keyIsSpace ? 3 : 2));// the label on the space is a bit higher // the X coordinate for the center of the main label text is // unaffected by the hints final float textX = mKeyBackgroundPadding.left + (key.width - mKeyBackgroundPadding.left - mKeyBackgroundPadding.right) / 2; final float textY; // Some devices (mostly pre-Honeycomb, have issues with RTL text // drawing. // Of course, there is no issue with a single character :) // so, we'll use the RTL secured drawing (via StaticLayout) for // labels. if (label.length() > 1 && !AnyApplication.getConfig().workaround_alwaysUseDrawText()) { // calculate Y coordinate of top of text based on center // location textY = centerY - ((labelHeight - paint.descent()) / 2); canvas.translate(textX, textY); // RTL fix. But it costs, let do it when in need (more than // 1 character) StaticLayout labelText = new StaticLayout(label, new TextPaint(paint), (int) textWidth, Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false); labelText.draw(canvas); } else { // to get Y coordinate of baseline from center of text, // first add half the height (to get to // bottom of text), then subtract the part below the // baseline. Note that fm.top is negative. textY = centerY + ((labelHeight - paint.descent()) / 2); canvas.translate(textX, textY); canvas.drawText(label, 0, label.length(), 0, 0, paint); } canvas.translate(-textX, -textY); // (-) // Turn off drop shadow paint.setShadowLayer(0, 0, 0, 0); } if (drawHintText) { if ((key.popupCharacters != null && key.popupCharacters.length() > 0) || (key.popupResId != 0) || (key.longPressCode != 0)) { Align oldAlign = paint.getTextAlign(); String hintText = null; if (key.hintLabel != null && key.hintLabel.length() > 0) { hintText = key.hintLabel.toString(); // it is the responsibility of the keyboard layout // designer to ensure that they do // not put too many characters in the hint label... } else if (key.longPressCode != 0) { if (Character.isLetterOrDigit(key.longPressCode)) hintText = Character.toString((char) key.longPressCode); } else if (key.popupCharacters != null) { final String hintString = key.popupCharacters.toString(); final int hintLength = hintString.length(); if (hintLength <= 3) hintText = hintString; } // if hintText is still null, it means it didn't fit one of // the above // cases, so we should provide the hint using the default if (hintText == null) { if (mHintOverflowLabel != null) hintText = mHintOverflowLabel; else { // theme does not provide a defaultHintLabel // use if hints are above, ... if hints are // below // (to avoid being too close to main label/icon) if (hintVAlign == Gravity.TOP) hintText = ""; else hintText = "..."; } } if (mKeyboard.isShifted()) hintText = hintText.toUpperCase(getKeyboard().getLocale()); // now draw hint paint.setTypeface(Typeface.DEFAULT); paint.setColor(hintColor.getColorForState(drawableState, 0xFF000000)); paint.setTextSize(mHintTextSize); // get the hint text font metrics so that we know the size // of the hint when // we try to position the main label (to try to make sure // they don't overlap) if (mHintTextFontMetrics == null) { mHintTextFontMetrics = paint.getFontMetrics(); } final float hintX; final float hintY; // the (float) 0.5 value is added or subtracted to just give // a little more room // in case the theme designer didn't account for the hint // label location if (hintAlign == Gravity.START) { // left paint.setTextAlign(Align.LEFT); hintX = mKeyBackgroundPadding.left + 0.5f; } else if (hintAlign == Gravity.CENTER) { // center paint.setTextAlign(Align.CENTER); hintX = mKeyBackgroundPadding.left + (key.width - mKeyBackgroundPadding.left - mKeyBackgroundPadding.right) / 2; } else { // right paint.setTextAlign(Align.RIGHT); hintX = key.width - mKeyBackgroundPadding.right - 0.5f; } if (hintVAlign == Gravity.TOP) { // above hintY = mKeyBackgroundPadding.top - mHintTextFontMetrics.top + 0.5f; } else { // below hintY = key.height - mKeyBackgroundPadding.bottom - mHintTextFontMetrics.bottom - 0.5f; } canvas.drawText(hintText, hintX, hintY, paint); paint.setTextAlign(oldAlign); } } canvas.translate(-key.x - kbdPaddingLeft, -key.y - kbdPaddingTop); } mInvalidatedKey = null; mDirtyRect.setEmpty(); }
From source file:com.yek.keyboard.keyboards.views.AnyKeyboardViewBase.java
@CallSuper protected void onBufferDraw(Canvas canvas, final Paint paint) { if (mKeyboardChanged) { invalidateAllKeys();//w ww . j a v a2s. c om mKeyboardChanged = false; } canvas.getClipBounds(mDirtyRect); if (mKeyboard == null) return; final boolean drawKeyboardNameText = (mKeyboardNameTextSize > 1f) && AnyApplication.getConfig().getShowKeyboardNameText(); final boolean drawHintText = (mHintTextSize > 1) && AnyApplication.getConfig().getShowHintTextOnKeys(); final boolean useCustomKeyTextColor = false; // TODO: final boolean useCustomKeyTextColor = // AnyApplication.getConfig().getUseCustomTextColorOnKeys(); final ColorStateList keyTextColor = useCustomKeyTextColor ? new ColorStateList(new int[][] { { 0 } }, new int[] { 0xFF6666FF }) : mKeyTextColor; final boolean useCustomHintColor = drawHintText && false; // TODO: final boolean useCustomHintColor = drawHintText && final ColorStateList hintColor = useCustomHintColor ? new ColorStateList(new int[][] { { 0 } }, new int[] { 0xFFFF6666 }) : mHintTextColor; // allow preferences to override theme settings for hint text position final boolean useCustomHintAlign = drawHintText && AnyApplication.getConfig().getUseCustomHintAlign(); final int hintAlign = useCustomHintAlign ? AnyApplication.getConfig().getCustomHintAlign() : mHintLabelAlign; final int hintVAlign = useCustomHintAlign ? AnyApplication.getConfig().getCustomHintVAlign() : mHintLabelVAlign; final Drawable keyBackground = mKeyBackground; final Rect clipRegion = mClipRegion; final int kbdPaddingLeft = getPaddingLeft(); final int kbdPaddingTop = getPaddingTop(); final Keyboard.Key[] keys = mKeys; final Keyboard.Key invalidKey = mInvalidatedKey; boolean drawSingleKey = false; if (invalidKey != null && canvas.getClipBounds(clipRegion)) { // TODO we should use Rect.inset and Rect.contains here. // Is clipRegion completely contained within the invalidated key? if (invalidKey.x + kbdPaddingLeft - 1 <= clipRegion.left && invalidKey.y + kbdPaddingTop - 1 <= clipRegion.top && invalidKey.x + invalidKey.width + kbdPaddingLeft + 1 >= clipRegion.right && invalidKey.y + invalidKey.height + kbdPaddingTop + 1 >= clipRegion.bottom) { drawSingleKey = true; } } for (Keyboard.Key keyBase : keys) { final AnyKeyboard.AnyKey key = (AnyKeyboard.AnyKey) keyBase; final boolean keyIsSpace = isSpaceKey(key); if (drawSingleKey && (invalidKey != key)) { continue; } if (!mDirtyRect.intersects(key.x + kbdPaddingLeft, key.y + kbdPaddingTop, key.x + key.width + kbdPaddingLeft, key.y + key.height + kbdPaddingTop)) { continue; } int[] drawableState = key.getCurrentDrawableState(mDrawableStatesProvider); if (keyIsSpace) paint.setColor(mKeyboardNameTextColor); else paint.setColor(keyTextColor.getColorForState(drawableState, 0xFF000000)); keyBackground.setState(drawableState); // Switch the character to uppercase if shift is pressed CharSequence label = key.label == null ? null : adjustLabelToShiftState(key); final Rect bounds = keyBackground.getBounds(); if ((key.width != bounds.right) || (key.height != bounds.bottom)) { keyBackground.setBounds(0, 0, key.width, key.height); } canvas.translate(key.x + kbdPaddingLeft, key.y + kbdPaddingTop); keyBackground.draw(canvas); if (TextUtils.isEmpty(label)) { Drawable iconToDraw = getIconToDrawForKey(key, false); if (iconToDraw != null/* && shouldDrawIcon */) { //http://developer.android.com/reference/android/graphics/drawable/Drawable.html#getCurrent() //http://stackoverflow.com/a/103600/1324235 final boolean is9Patch = iconToDraw.getCurrent() instanceof NinePatchDrawable; // Special handing for the upper-right number hint icons final int drawableWidth; final int drawableHeight; final int drawableX; final int drawableY; drawableWidth = is9Patch ? key.width : iconToDraw.getIntrinsicWidth(); drawableHeight = is9Patch ? key.height : iconToDraw.getIntrinsicHeight(); drawableX = (key.width + mKeyBackgroundPadding.left - mKeyBackgroundPadding.right - drawableWidth) / 2; drawableY = (key.height + mKeyBackgroundPadding.top - mKeyBackgroundPadding.bottom - drawableHeight) / 2; canvas.translate(drawableX, drawableY); iconToDraw.setBounds(0, 0, drawableWidth, drawableHeight); iconToDraw.draw(canvas); canvas.translate(-drawableX, -drawableY); if (keyIsSpace && drawKeyboardNameText) { // now a little hack, I'll set the label now, so it get // drawn. label = mKeyboardName; } } else { // ho... no icon. // I'll try to guess the text label = guessLabelForKey(key.getPrimaryCode()); } } if (label != null) { // For characters, use large font. For labels like "Done", use // small font. final FontMetrics fm; if (keyIsSpace) { paint.setTextSize(mKeyboardNameTextSize); paint.setTypeface(Typeface.DEFAULT_BOLD); if (mKeyboardNameFM == null) mKeyboardNameFM = paint.getFontMetrics(); fm = mKeyboardNameFM; } else if (label.length() > 1 && key.getCodesCount() < 2) { setPaintForLabelText(paint); if (mLabelFM == null) mLabelFM = paint.getFontMetrics(); fm = mLabelFM; } else { setPaintToKeyText(paint); if (mTextFM == null) mTextFM = paint.getFontMetrics(); fm = mTextFM; } if (isLabelOfPictographic(label)) { paint.setTextSize(2f * paint.getTextSize()); } final float labelHeight = -fm.top; // Draw a drop shadow for the text paint.setShadowLayer(mShadowRadius, mShadowOffsetX, mShadowOffsetY, mShadowColor); final float textWidth = adjustTextSizeForLabel(paint, label, key.width); // the center of the drawable space, which is value used // previously for vertically // positioning the key label final float centerY = mKeyBackgroundPadding.top + ((key.height - mKeyBackgroundPadding.top - mKeyBackgroundPadding.bottom) / (keyIsSpace ? 3 : 2));// the label on the space is a bit higher // the X coordinate for the center of the main label text is // unaffected by the hints final float textX = mKeyBackgroundPadding.left + (key.width - mKeyBackgroundPadding.left - mKeyBackgroundPadding.right) / 2; final float textY; // Some devices (mostly pre-Honeycomb, have issues with RTL text // drawing. // Of course, there is no issue with a single character :) // so, we'll use the RTL secured drawing (via StaticLayout) for // labels. if (label.length() > 1 && !AnyApplication.getConfig().workaround_alwaysUseDrawText()) { // calculate Y coordinate of top of text based on center // location textY = centerY - ((labelHeight - paint.descent()) / 2); canvas.translate(textX, textY); // RTL fix. But it costs, let do it when in need (more than // 1 character) StaticLayout labelText = new StaticLayout(label, new TextPaint(paint), (int) textWidth, Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false); labelText.draw(canvas); } else { // to get Y coordinate of baseline from center of text, // first add half the height (to get to // bottom of text), then subtract the part below the // baseline. Note that fm.top is negative. textY = centerY + ((labelHeight - paint.descent()) / 2); canvas.translate(textX, textY); canvas.drawText(label, 0, label.length(), 0, 0, paint); } canvas.translate(-textX, -textY); // (-) // Turn off drop shadow paint.setShadowLayer(0, 0, 0, 0); } if (drawHintText) { if ((key.popupCharacters != null && key.popupCharacters.length() > 0) || (key.popupResId != 0) || (key.longPressCode != 0)) { Align oldAlign = paint.getTextAlign(); String hintText = null; if (key.hintLabel != null && key.hintLabel.length() > 0) { hintText = key.hintLabel.toString(); // it is the responsibility of the keyboard layout // designer to ensure that they do // not put too many characters in the hint label... } else if (key.longPressCode != 0) { if (Character.isLetterOrDigit(key.longPressCode)) hintText = Character.toString((char) key.longPressCode); } else if (key.popupCharacters != null) { final String hintString = key.popupCharacters.toString(); final int hintLength = hintString.length(); if (hintLength <= 3) hintText = hintString; } // if hintText is still null, it means it didn't fit one of // the above // cases, so we should provide the hint using the default if (hintText == null) { if (mHintOverflowLabel != null) hintText = mHintOverflowLabel; else { // theme does not provide a defaultHintLabel // use if hints are above, ... if hints are // below // (to avoid being too close to main label/icon) if (hintVAlign == Gravity.TOP) hintText = ""; else hintText = "..."; } } if (mKeyboard.isShifted()) hintText = hintText.toUpperCase(getKeyboard().getLocale()); // now draw hint paint.setTypeface(Typeface.DEFAULT); paint.setColor(hintColor.getColorForState(drawableState, 0xFF000000)); paint.setTextSize(mHintTextSize); // get the hint text font metrics so that we know the size // of the hint when // we try to position the main label (to try to make sure // they don't overlap) if (mHintTextFM == null) { mHintTextFM = paint.getFontMetrics(); } final float hintX; final float hintY; // the (float) 0.5 value is added or subtracted to just give // a little more room // in case the theme designer didn't account for the hint // label location if (hintAlign == Gravity.START) { // left paint.setTextAlign(Align.LEFT); hintX = mKeyBackgroundPadding.left + 0.5f; } else if (hintAlign == Gravity.CENTER) { // center paint.setTextAlign(Align.CENTER); hintX = mKeyBackgroundPadding.left + (key.width - mKeyBackgroundPadding.left - mKeyBackgroundPadding.right) / 2; } else { // right paint.setTextAlign(Align.RIGHT); hintX = key.width - mKeyBackgroundPadding.right - 0.5f; } if (hintVAlign == Gravity.TOP) { // above hintY = mKeyBackgroundPadding.top - mHintTextFM.top + 0.5f; } else { // below hintY = key.height - mKeyBackgroundPadding.bottom - mHintTextFM.bottom - 0.5f; } canvas.drawText(hintText, hintX, hintY, paint); paint.setTextAlign(oldAlign); } } canvas.translate(-key.x - kbdPaddingLeft, -key.y - kbdPaddingTop); } mInvalidatedKey = null; mDirtyRect.setEmpty(); }
From source file:com.codename1.impl.android.AndroidImplementation.java
@Override public int getFontAscent(Object nativeFont) { Paint font = (nativeFont == null ? this.defaultFont : (Paint) ((NativeFont) nativeFont).font); return -Math.round(font.getFontMetrics().ascent); }