List of usage examples for android.graphics Canvas translate
public void translate(float dx, float dy)
From source file:cc.flydev.launcher.Workspace.java
/** * Draw the View v into the given Canvas. * * @param v the view to draw/*w ww. j a v a 2 s . c o m*/ * @param destCanvas the canvas to draw on * @param padding the horizontal and vertical padding to use when drawing */ private void drawDragView(View v, Canvas destCanvas, int padding, boolean pruneToDrawable) { final Rect clipRect = mTempRect; v.getDrawingRect(clipRect); boolean textVisible = false; destCanvas.save(); if (v instanceof TextView && pruneToDrawable) { Drawable d = ((TextView) v).getCompoundDrawables()[1]; clipRect.set(0, 0, d.getIntrinsicWidth() + padding, d.getIntrinsicHeight() + padding); destCanvas.translate(padding / 2, padding / 2); d.draw(destCanvas); } else { if (v instanceof FolderIcon) { // For FolderIcons the text can bleed into the icon area, and so we need to // hide the text completely (which can't be achieved by clipping). if (((FolderIcon) v).getTextVisible()) { ((FolderIcon) v).setTextVisible(false); textVisible = true; } } else if (v instanceof BubbleTextView) { final BubbleTextView tv = (BubbleTextView) v; clipRect.bottom = tv.getExtendedPaddingTop() - (int) BubbleTextView.PADDING_V + tv.getLayout().getLineTop(0); } else if (v instanceof TextView) { final TextView tv = (TextView) v; clipRect.bottom = tv.getExtendedPaddingTop() - tv.getCompoundDrawablePadding() + tv.getLayout().getLineTop(0); } destCanvas.translate(-v.getScrollX() + padding / 2, -v.getScrollY() + padding / 2); destCanvas.clipRect(clipRect, Op.REPLACE); v.draw(destCanvas); // Restore text visibility of FolderIcon if necessary if (textVisible) { ((FolderIcon) v).setTextVisible(true); } } destCanvas.restore(); }
From source file:com.aidy.launcher3.ui.workspace.Workspace.java
/** * Draw the View v into the given Canvas. * // www . j a v a 2 s .co m * @param v * the view to draw * @param destCanvas * the canvas to draw on * @param padding * the horizontal and vertical padding to use when drawing */ private void drawDragView(View v, Canvas destCanvas, int padding, boolean pruneToDrawable) { final Rect clipRect = mTempRect; v.getDrawingRect(clipRect); boolean textVisible = false; destCanvas.save(); if (v instanceof TextView && pruneToDrawable) { Drawable d = ((TextView) v).getCompoundDrawables()[1]; clipRect.set(0, 0, d.getIntrinsicWidth() + padding, d.getIntrinsicHeight() + padding); destCanvas.translate(padding / 2, padding / 2); d.draw(destCanvas); } else { if (v instanceof FolderIcon) { // For FolderIcons the text can bleed into the icon area, and so // we need to // hide the text completely (which can't be achieved by // clipping). if (((FolderIcon) v).getTextVisible()) { ((FolderIcon) v).setTextVisible(false); textVisible = true; } } else if (v instanceof BubbleTextView) { final BubbleTextView tv = (BubbleTextView) v; clipRect.bottom = tv.getExtendedPaddingTop() - (int) BubbleTextView.PADDING_V + tv.getLayout().getLineTop(0); } else if (v instanceof TextView) { final TextView tv = (TextView) v; clipRect.bottom = tv.getExtendedPaddingTop() - tv.getCompoundDrawablePadding() + tv.getLayout().getLineTop(0); } destCanvas.translate(-v.getScrollX() + padding / 2, -v.getScrollY() + padding / 2); destCanvas.clipRect(clipRect, Op.REPLACE); v.draw(destCanvas); // Restore text visibility of FolderIcon if necessary if (textVisible) { ((FolderIcon) v).setTextVisible(true); } } destCanvas.restore(); }
From source file:com.lovely3x.eavlibrary.EasyAdapterView.java
/** * overscroll//w w w .j av a 2s . co m * * @param canvas */ protected void drawOverScrollEffect(Canvas canvas) { final int scrollY = getScrollY(); final int scrollX = getScrollX(); final int width; final int height; final int translateX; final int translateY; width = getWidth(); height = getHeight(); translateX = 0; translateY = 0; if (mTopEdgeEffect != null) {// if (!mTopEdgeEffect.isFinished()) { final int restoreCount = canvas.save(); canvas.clipRect(translateX, translateY, translateX + width, translateY + mTopEdgeEffect.getMaxHeight()); final int edgeY = Math.min(0, scrollY) + translateY; canvas.translate(translateX, edgeY); mTopEdgeEffect.setSize(width, height); if (mTopEdgeEffect.draw(canvas)) { invalidateTopGlow(); } canvas.restoreToCount(restoreCount); } } if (mBottomEdgeEffect != null) {// if (!mBottomEdgeEffect.isFinished()) { final int restoreCount = canvas.save(); canvas.clipRect(translateX, translateY + height - mBottomEdgeEffect.getMaxHeight(), translateX + width, translateY + height); final int edgeX = -width + translateX; final int edgeY = Math.max(getHeight(), scrollY); canvas.translate(edgeX, edgeY); canvas.rotate(180, width, 0); mBottomEdgeEffect.setSize(width, height); if (mBottomEdgeEffect.draw(canvas)) { invalidateBottomGlow(); } canvas.restoreToCount(restoreCount); } } if (mLeftEdgeEffect != null) {// if (!mLeftEdgeEffect.isFinished()) { canvas.clipRect(translateX, translateY, translateX + mLeftEdgeEffect.getMaxHeight(), translateY + height); final int restoreCount = canvas.save(); canvas.translate(-width, getHeight() - getWidth());//? canvas.rotate(270, width, 0);// mLeftEdgeEffect.setSize(height, width);//? if (mLeftEdgeEffect.draw(canvas)) { invalidateLeftGlow(); } canvas.restoreToCount(restoreCount); } } if (mRightEdgeEffect != null) {//? if (!mRightEdgeEffect.isFinished()) { // canvas.clipRect(translateX, width - mRightEdgeEffect.getMaxHeight(), width, translateY + height); final int restoreCount = canvas.save(); canvas.translate(0, getWidth());//? canvas.rotate(-270, width, 0);// mRightEdgeEffect.setSize(height, width);//? if (mRightEdgeEffect.draw(canvas)) { invalidateRightGlow(); } canvas.restoreToCount(restoreCount); } } }
From source file:com.cognizant.trumobi.PersonaLauncher.java
public void showPreviews(final View anchor, int start, int end) { if (mWorkspace != null && mWorkspace.getChildCount() > 0) { if (newPreviews) { showingPreviews = true;// w ww . j ava 2 s . co m hideDesktop(true); mWorkspace.lock(); mWorkspace.openSense(true); } else { // check first if it's already open final PopupWindow window = (PopupWindow) anchor.getTag(R.id.TAG_PREVIEW); if (window != null) return; Resources resources = getResources(); PersonaWorkspace personaWorkspace = mWorkspace; PersonaCellLayout cell = ((PersonaCellLayout) personaWorkspace.getChildAt(start)); float max; ViewGroup preview; max = personaWorkspace.getChildCount(); preview = new LinearLayout(this); Rect r = new Rect(); // ADW: seems sometimes this throws an out of memory error.... // so... try { resources.getDrawable(R.drawable.pr_preview_background).getPadding(r); } catch (OutOfMemoryError e) { } int extraW = (int) ((r.left + r.right) * max); int extraH = r.top + r.bottom; int aW = cell.getWidth() - extraW; float w = aW / max; int width = cell.getWidth(); int height = cell.getHeight(); // width -= (x + cell.getRightPadding()); // height -= (y + cell.getBottomPadding()); if (width != 0 && height != 0) { showingPreviews = true; float scale = w / width; int count = end - start; final float sWidth = width * scale; float sHeight = height * scale; PreviewTouchHandler handler = new PreviewTouchHandler(anchor); ArrayList<Bitmap> bitmaps = new ArrayList<Bitmap>(count); for (int i = start; i < end; i++) { ImageView image = new ImageView(this); cell = (PersonaCellLayout) personaWorkspace.getChildAt(i); Bitmap bitmap = Bitmap.createBitmap((int) sWidth, (int) sHeight, Bitmap.Config.ARGB_8888); cell.setDrawingCacheEnabled(false); Canvas c = new Canvas(bitmap); c.scale(scale, scale); c.translate(-cell.getLeftPadding(), -cell.getTopPadding()); cell.dispatchDraw(c); image.setBackgroundDrawable(resources.getDrawable(R.drawable.pr_preview_background)); image.setImageBitmap(bitmap); image.setTag(i); image.setOnClickListener(handler); image.setOnFocusChangeListener(handler); image.setFocusable(true); if (i == mWorkspace.getCurrentScreen()) image.requestFocus(); preview.addView(image, LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT); bitmaps.add(bitmap); } PopupWindow p = new PopupWindow(this); p.setContentView(preview); p.setWidth((int) (sWidth * count + extraW)); p.setHeight((int) (sHeight + extraH)); p.setAnimationStyle(R.style.AnimationPreview); p.setOutsideTouchable(true); p.setFocusable(true); p.setBackgroundDrawable(new ColorDrawable(0)); p.showAsDropDown(anchor, 0, 0); p.setOnDismissListener(new PopupWindow.OnDismissListener() { public void onDismiss() { dismissPreview(anchor); } }); anchor.setTag(R.id.TAG_PREVIEW, p); anchor.setTag(R.id.workspace, preview); anchor.setTag(R.id.icon, bitmaps); } } } }
From source file:com.anysoftkeyboard.keyboards.views.AnyKeyboardViewBase.java
@CallSuper protected void onBufferDraw(Canvas canvas, final Paint paint) { if (mKeyboardChanged) { invalidateAllKeys();//from ww w. ja 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 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();// www . ja 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 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:android.support.v7.widget.RecyclerView.java
@Override public void draw(Canvas c) { super.draw(c); final int count = mItemDecorations.size(); for (int i = 0; i < count; i++) { mItemDecorations.get(i).onDrawOver(c, this); }//from ww w. ja v a 2s.c o m boolean needsInvalidate = false; if (mLeftGlow != null && !mLeftGlow.isFinished()) { final int restore = c.save(); c.rotate(270); c.translate(-getHeight() + getPaddingTop(), 0); needsInvalidate = mLeftGlow != null && mLeftGlow.draw(c); c.restoreToCount(restore); } if (mTopGlow != null && !mTopGlow.isFinished()) { c.translate(getPaddingLeft(), getPaddingTop()); needsInvalidate |= mTopGlow != null && mTopGlow.draw(c); } if (mRightGlow != null && !mRightGlow.isFinished()) { final int restore = c.save(); final int width = getWidth(); c.rotate(90); c.translate(-getPaddingTop(), -width); needsInvalidate |= mRightGlow != null && mRightGlow.draw(c); c.restoreToCount(restore); } if (mBottomGlow != null && !mBottomGlow.isFinished()) { final int restore = c.save(); c.rotate(180); c.translate(-getWidth() + getPaddingLeft(), -getHeight() + getPaddingTop()); needsInvalidate |= mBottomGlow != null && mBottomGlow.draw(c); c.restoreToCount(restore); } if (needsInvalidate) { ViewCompat.postInvalidateOnAnimation(this); } }
From source file:com.example.libwidgettv.bak.AbsListView.java
@Override public void draw(Canvas canvas) { super.draw(canvas); if (mFastScroller != null) { final int scrollY = getScrollY(); if (scrollY != 0) { // Pin to the top/bottom during overscroll int restoreCount = canvas.save(); canvas.translate(0, (float) scrollY); mFastScroller.draw(canvas);/*from w w w.j a va 2 s . c o m*/ canvas.restoreToCount(restoreCount); } else { mFastScroller.draw(canvas); } } }
From source file:com.skytree.epubtest.BookViewActivity.java
@SuppressLint({ "DrawAllocation", "DrawAllocation" })
@Override// w w w. j a v a 2s . c o m
protected void onDraw(Canvas canvas) {
Paint paint = new Paint();
float sl, sr, st, sb;
sl = 0;
sr = this.getWidth();
float ah = this.arrowHeight; // arrow Height;
if (this.isArrowDown) {
st = 0;
sb = this.getHeight() - ah;
} else {
st = ah - 10;
sb = this.getHeight() - 10;
}
Path boxPath = new Path();
boxPath.addRoundRect(new RectF(sl, st, sr, sb), 20, 20, Path.Direction.CW);
if (arrowPosition <= arrowHeight * 1.5f) {
arrowPosition = arrowHeight * 1.5f;
} else if (arrowPosition >= this.getWidth() - arrowHeight * 1.5f) {
arrowPosition = this.getWidth() - arrowHeight * 1.5f;
}
Path arrowPath = new Path();
if (isArrowDown) {
arrowPath.moveTo(arrowPosition, sb + ah);
arrowPath.lineTo((float) (arrowPosition - ah * 0.75), sb - 10);
arrowPath.lineTo((float) (arrowPosition + ah * 0.75), sb - 10);
arrowPath.close();
} else {
arrowPath.moveTo(arrowPosition, 0);
arrowPath.lineTo((float) (arrowPosition - ah * 0.75), ah + 10);
arrowPath.lineTo((float) (arrowPosition + ah * 0.75), ah + 10);
arrowPath.close();
}
paint.setColor(this.strokeColor);
paint.setStyle(Paint.Style.FILL);
boxPath.addPath(arrowPath);
canvas.drawPath(boxPath, paint);
paint.setColor(this.boxColor);
paint.setStyle(Paint.Style.FILL);
boxPath.addPath(arrowPath);
canvas.save();
float sf = 0.995f;
float ox = (this.getWidth() - (this.getWidth() * sf)) / 2.0f;
float oy = ((this.getHeight() - arrowHeight) - ((this.getHeight() - arrowHeight) * sf)) / 2.0f;
canvas.translate(ox, oy);
canvas.scale(sf, sf);
canvas.drawPath(boxPath, paint);
canvas.restore();
if (layoutChanged) {
this.recalcLayout();
layoutChanged = false;
}
}
From source file:com.aliasapps.seq.scroller.TwoWayView.java
private boolean drawStartEdge(Canvas canvas) { if (mStartEdge.isFinished()) { return false; }/* w w w. j av a 2s.c o m*/ if (mIsVertical) { return mStartEdge.draw(canvas); } final int restoreCount = canvas.save(); final int height = getHeight() - getPaddingTop() - getPaddingBottom(); canvas.translate(0, height); canvas.rotate(270); final boolean needsInvalidate = mStartEdge.draw(canvas); canvas.restoreToCount(restoreCount); return needsInvalidate; }