List of usage examples for android.graphics Canvas drawPath
public void drawPath(@NonNull Path path, @NonNull Paint paint)
From source file:at.ac.uniklu.mobile.sportal.ui.viewpagerindicator.TitlePageIndicator.java
@Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); if (mViewPager == null) { return;//from w w w. j av a 2 s .co m } final int count = mViewPager.getAdapter().getCount(); if (count == 0) { return; } //Calculate views bounds ArrayList<RectF> bounds = calculateAllBounds(mPaintText); //Make sure we're on a page that still exists if (mCurrentPage >= bounds.size()) { setCurrentItem(bounds.size() - 1); } final int countMinusOne = count - 1; final float halfWidth = getWidth() / 2f; final int left = getLeft(); final float leftClip = left + mClipPadding; final int width = getWidth(); final int height = getHeight(); final int right = left + width; final float rightClip = right - mClipPadding; int page = mCurrentPage; float offsetPercent; if (mCurrentOffset <= halfWidth) { offsetPercent = 1.0f * mCurrentOffset / width; } else { page += 1; offsetPercent = 1.0f * (width - mCurrentOffset) / width; } final boolean currentSelected = (offsetPercent <= SELECTION_FADE_PERCENTAGE); final boolean currentBold = (offsetPercent <= BOLD_FADE_PERCENTAGE); final float selectedPercent = (SELECTION_FADE_PERCENTAGE - offsetPercent) / SELECTION_FADE_PERCENTAGE; //Verify if the current view must be clipped to the screen RectF curPageBound = bounds.get(mCurrentPage); float curPageWidth = curPageBound.right - curPageBound.left; if (curPageBound.left < leftClip) { //Try to clip to the screen (left side) clipViewOnTheLeft(curPageBound, curPageWidth, left); } if (curPageBound.right > rightClip) { //Try to clip to the screen (right side) clipViewOnTheRight(curPageBound, curPageWidth, right); } //Left views starting from the current position if (mCurrentPage > 0) { for (int i = mCurrentPage - 1; i >= 0; i--) { RectF bound = bounds.get(i); //Is left side is outside the screen if (bound.left < leftClip) { float w = bound.right - bound.left; //Try to clip to the screen (left side) clipViewOnTheLeft(bound, w, left); //Except if there's an intersection with the right view RectF rightBound = bounds.get(i + 1); //Intersection if (bound.right + mTitlePadding > rightBound.left) { bound.left = rightBound.left - w - mTitlePadding; bound.right = bound.left + w; } } } } //Right views starting from the current position if (mCurrentPage < countMinusOne) { for (int i = mCurrentPage + 1; i < count; i++) { RectF bound = bounds.get(i); //If right side is outside the screen if (bound.right > rightClip) { float w = bound.right - bound.left; //Try to clip to the screen (right side) clipViewOnTheRight(bound, w, right); //Except if there's an intersection with the left view RectF leftBound = bounds.get(i - 1); //Intersection if (bound.left - mTitlePadding < leftBound.right) { bound.left = leftBound.right + mTitlePadding; bound.right = bound.left + w; } } } } //Now draw views int colorTextAlpha = mColorText >>> 24; for (int i = 0; i < count; i++) { //Get the title RectF bound = bounds.get(i); //Only if one side is visible if ((bound.left > left && bound.left < right) || (bound.right > left && bound.right < right)) { final boolean currentPage = (i == page); //Only set bold if we are within bounds mPaintText.setFakeBoldText(currentPage && currentBold && mBoldText); //Draw text as unselected mPaintText.setColor(mColorText); if (currentPage && currentSelected) { //Fade out/in unselected text as the selected text fades in/out mPaintText.setAlpha(colorTextAlpha - (int) (colorTextAlpha * selectedPercent)); } canvas.drawText(mTitleProvider.getTitle(i), bound.left, bound.bottom + mTopPadding, mPaintText); //If we are within the selected bounds draw the selected text if (currentPage && currentSelected) { mPaintText.setColor(mColorSelected); mPaintText.setAlpha((int) ((mColorSelected >>> 24) * selectedPercent)); canvas.drawText(mTitleProvider.getTitle(i), bound.left, bound.bottom + mTopPadding, mPaintText); } } } //Draw the footer line mPath = new Path(); mPath.moveTo(0, height - mFooterLineHeight / 2f); mPath.lineTo(width, height - mFooterLineHeight / 2f); mPath.close(); canvas.drawPath(mPath, mPaintFooterLine); switch (mFooterIndicatorStyle) { case Triangle: mPath = new Path(); mPath.moveTo(halfWidth, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(halfWidth + mFooterIndicatorHeight, height - mFooterLineHeight); mPath.lineTo(halfWidth - mFooterIndicatorHeight, height - mFooterLineHeight); mPath.close(); canvas.drawPath(mPath, mPaintFooterIndicator); break; case Underline: if (!currentSelected) { break; } RectF underlineBounds = bounds.get(page); mPath = new Path(); mPath.moveTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.close(); mPaintFooterIndicator.setAlpha((int) (0xFF * selectedPercent)); canvas.drawPath(mPath, mPaintFooterIndicator); mPaintFooterIndicator.setAlpha(0xFF); break; } }
From source file:com.skytree.epubtest.BookViewActivity.java
@SuppressLint({ "DrawAllocation", "DrawAllocation" })
@Override/*w ww .j av a2 s .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.progekt.webtools.viewpagerindicator.TitlePageIndicator.java
protected void onDraw(Canvas canvas) { super.onDraw(canvas); if (mViewPager == null) { return;/*from ww w. ja v a2 s. c o m*/ } final int count = mViewPager.getAdapter().getCount(); if (count == 0) { return; } //Calculate views bounds ArrayList<RectF> bounds = calculateAllBounds(mPaintText); final int boundsSize = bounds.size(); //Make sure we're on a page that still exists if (mCurrentPage >= boundsSize) { setCurrentItem(boundsSize - 1); return; } final int countMinusOne = count - 1; final float halfWidth = getWidth() / 2f; final int left = getLeft(); final float leftClip = left + mClipPadding; final int width = getWidth(); final int height = getHeight(); final int right = left + width; final float rightClip = right - mClipPadding; int page = mCurrentPage; float offsetPercent; if (mCurrentOffset <= halfWidth) { offsetPercent = 1.0f * mCurrentOffset / width; } else { page += 1; offsetPercent = 1.0f * (width - mCurrentOffset) / width; } final boolean currentSelected = (offsetPercent <= SELECTION_FADE_PERCENTAGE); final boolean currentBold = (offsetPercent <= BOLD_FADE_PERCENTAGE); final float selectedPercent = (SELECTION_FADE_PERCENTAGE - offsetPercent) / SELECTION_FADE_PERCENTAGE; //Verify if the current view must be clipped to the screen RectF curPageBound = bounds.get(mCurrentPage); float curPageWidth = curPageBound.right - curPageBound.left; if (curPageBound.left < leftClip) { //Try to clip to the screen (left side) clipViewOnTheLeft(curPageBound, curPageWidth, left); } if (curPageBound.right > rightClip) { //Try to clip to the screen (right side) clipViewOnTheRight(curPageBound, curPageWidth, right); } //Left views starting from the current position if (mCurrentPage > 0) { for (int i = mCurrentPage - 1; i >= 0; i--) { RectF bound = bounds.get(i); //Is left side is outside the screen if (bound.left < leftClip) { float w = bound.right - bound.left; //Try to clip to the screen (left side) clipViewOnTheLeft(bound, w, left); //Except if there's an intersection with the right view RectF rightBound = bounds.get(i + 1); //Intersection if (bound.right + mTitlePadding > rightBound.left) { bound.left = rightBound.left - w - mTitlePadding; bound.right = bound.left + w; } } } } //Right views starting from the current position if (mCurrentPage < countMinusOne) { for (int i = mCurrentPage + 1; i < count; i++) { RectF bound = bounds.get(i); //If right side is outside the screen if (bound.right > rightClip) { float w = bound.right - bound.left; //Try to clip to the screen (right side) clipViewOnTheRight(bound, w, right); //Except if there's an intersection with the left view RectF leftBound = bounds.get(i - 1); //Intersection if (bound.left - mTitlePadding < leftBound.right) { bound.left = leftBound.right + mTitlePadding; bound.right = bound.left + w; } } } } //Now draw views int colorTextAlpha = mColorText >>> 24; for (int i = 0; i < count; i++) { //Get the title RectF bound = bounds.get(i); //Only if one side is visible if ((bound.left > left && bound.left < right) || (bound.right > left && bound.right < right)) { final boolean currentPage = (i == page); //Only set bold if we are within bounds mPaintText.setFakeBoldText(currentPage && currentBold && mBoldText); //Draw text as unselected mPaintText.setColor(mColorText); if (currentPage && currentSelected) { //Fade out/in unselected text as the selected text fades in/out mPaintText.setAlpha(colorTextAlpha - (int) (colorTextAlpha * selectedPercent)); } canvas.drawText(mTitleProvider.getTitle(i), bound.left, bound.bottom + mTopPadding, mPaintText); //If we are within the selected bounds draw the selected text if (currentPage && currentSelected) { mPaintText.setColor(mColorSelected); mPaintText.setAlpha((int) ((mColorSelected >>> 24) * selectedPercent)); canvas.drawText(mTitleProvider.getTitle(i), bound.left, bound.bottom + mTopPadding, mPaintText); } } } //Draw the footer line mPath = new Path(); mPath.moveTo(0, height - mFooterLineHeight / 2f); mPath.lineTo(width, height - mFooterLineHeight / 2f); mPath.close(); canvas.drawPath(mPath, mPaintFooterLine); switch (mFooterIndicatorStyle) { case Triangle: mPath = new Path(); mPath.moveTo(halfWidth, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(halfWidth + mFooterIndicatorHeight, height - mFooterLineHeight); mPath.lineTo(halfWidth - mFooterIndicatorHeight, height - mFooterLineHeight); mPath.close(); canvas.drawPath(mPath, mPaintFooterIndicator); break; case Underline: if (!currentSelected || page >= boundsSize) { break; } RectF underlineBounds = bounds.get(page); mPath = new Path(); mPath.moveTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.close(); mPaintFooterIndicator.setAlpha((int) (0xFF * selectedPercent)); canvas.drawPath(mPath, mPaintFooterIndicator); mPaintFooterIndicator.setAlpha(0xFF); break; } }
From source file:com.android.common.TitlePageIndicator.java
@Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); if (mViewPager == null) { return;/*w ww . j av a 2s . c om*/ } final int count = mViewPager.getAdapter().getCount(); if (count == 0) { return; } //Calculate views bounds ArrayList<RectF> bounds = calculateAllBounds(mPaintText); final int boundsSize = bounds.size(); //Make sure we're on a page that still exists if (mCurrentPage >= boundsSize) { setCurrentItem(boundsSize - 1); return; } final int countMinusOne = count - 1; final float halfWidth = getWidth() / 2f; final int left = getLeft(); final float leftClip = left + mClipPadding; final int width = getWidth(); final int height = getHeight(); final int right = left + width; final float rightClip = right - mClipPadding; int page = mCurrentPage; float offsetPercent; if (mCurrentOffset <= halfWidth) { offsetPercent = 1.0f * mCurrentOffset / width; } else { page += 1; offsetPercent = 1.0f * (width - mCurrentOffset) / width; } final boolean currentSelected = (offsetPercent <= SELECTION_FADE_PERCENTAGE); final boolean currentBold = (offsetPercent <= BOLD_FADE_PERCENTAGE); final float selectedPercent = (SELECTION_FADE_PERCENTAGE - offsetPercent) / SELECTION_FADE_PERCENTAGE; //Verify if the current view must be clipped to the screen RectF curPageBound = bounds.get(mCurrentPage); float curPageWidth = curPageBound.right - curPageBound.left; if (curPageBound.left < leftClip) { //Try to clip to the screen (left side) clipViewOnTheLeft(curPageBound, curPageWidth, left); } if (curPageBound.right > rightClip) { //Try to clip to the screen (right side) clipViewOnTheRight(curPageBound, curPageWidth, right); } //Left views starting from the current position if (mCurrentPage > 0) { for (int i = mCurrentPage - 1; i >= 0; i--) { RectF bound = bounds.get(i); //Is left side is outside the screen if (bound.left < leftClip) { float w = bound.right - bound.left; //Try to clip to the screen (left side) clipViewOnTheLeft(bound, w, left); //Except if there's an intersection with the right view RectF rightBound = bounds.get(i + 1); //Intersection if (bound.right + mTitlePadding > rightBound.left) { bound.left = rightBound.left - w - mTitlePadding; bound.right = bound.left + w; } } } } //Right views starting from the current position if (mCurrentPage < countMinusOne) { for (int i = mCurrentPage + 1; i < count; i++) { RectF bound = bounds.get(i); //If right side is outside the screen if (bound.right > rightClip) { float w = bound.right - bound.left; //Try to clip to the screen (right side) clipViewOnTheRight(bound, w, right); //Except if there's an intersection with the left view RectF leftBound = bounds.get(i - 1); //Intersection if (bound.left - mTitlePadding < leftBound.right) { bound.left = leftBound.right + mTitlePadding; bound.right = bound.left + w; } } } } //Now draw views int colorTextAlpha = mColorText >>> 24; for (int i = 0; i < count; i++) { //Get the title RectF bound = bounds.get(i); //Only if one side is visible if ((bound.left > left && bound.left < right) || (bound.right > left && bound.right < right)) { final boolean currentPage = (i == page); //Only set bold if we are within bounds mPaintText.setFakeBoldText(currentPage && currentBold && mBoldText); //Draw text as unselected mPaintText.setColor(mColorText); if (currentPage && currentSelected) { //Fade out/in unselected text as the selected text fades in/out mPaintText.setAlpha(colorTextAlpha - (int) (colorTextAlpha * selectedPercent)); } canvas.drawText(mTitleProvider.GetTitle(i), bound.left, bound.bottom + mTopPadding, mPaintText); //If we are within the selected bounds draw the selected text if (currentPage && currentSelected) { mPaintText.setColor(mColorSelected); mPaintText.setAlpha((int) ((mColorSelected >>> 24) * selectedPercent)); canvas.drawText(mTitleProvider.GetTitle(i), bound.left, bound.bottom + mTopPadding, mPaintText); } } } //Draw the footer line mPath = new Path(); mPath.moveTo(0, height - mFooterLineHeight / 2f); mPath.lineTo(width, height - mFooterLineHeight / 2f); mPath.close(); canvas.drawPath(mPath, mPaintFooterLine); switch (mFooterIndicatorStyle) { case Triangle: mPath = new Path(); mPath.moveTo(halfWidth, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(halfWidth + mFooterIndicatorHeight, height - mFooterLineHeight); mPath.lineTo(halfWidth - mFooterIndicatorHeight, height - mFooterLineHeight); mPath.close(); canvas.drawPath(mPath, mPaintFooterIndicator); break; case Underline: if (!currentSelected || page >= boundsSize) { break; } RectF underlineBounds = bounds.get(page); mPath = new Path(); mPath.moveTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.close(); mPaintFooterIndicator.setAlpha((int) (0xFF * selectedPercent)); canvas.drawPath(mPath, mPaintFooterIndicator); mPaintFooterIndicator.setAlpha(0xFF); break; default: break; } }
From source file:com.alibaba.akita.widget.TitlePageIndicator.java
@Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); if (mViewPager == null) { return;/*from w w w .jav a 2s.co m*/ } final int count = mViewPager.getAdapter().getCount(); if (count == 0) { return; } //Calculate views bounds ArrayList<RectF> bounds = calculateAllBounds(mPaintText); final int boundsSize = bounds.size(); //Make sure we're on a page that still exists if (mCurrentPage >= boundsSize) { setCurrentItem(boundsSize - 1); return; } final int countMinusOne = count - 1; final float halfWidth = getWidth() / 2f; final int left = getLeft(); final float leftClip = left + mClipPadding; final int width = getWidth(); final int height = getHeight(); final int right = left + width; final float rightClip = right - mClipPadding; int page = mCurrentPage; float offsetPercent; if (mCurrentOffset <= halfWidth) { offsetPercent = 1.0f * mCurrentOffset / width; } else { page += 1; offsetPercent = 1.0f * (width - mCurrentOffset) / width; } final boolean currentSelected = (offsetPercent <= SELECTION_FADE_PERCENTAGE); final boolean currentBold = (offsetPercent <= BOLD_FADE_PERCENTAGE); final float selectedPercent = (SELECTION_FADE_PERCENTAGE - offsetPercent) / SELECTION_FADE_PERCENTAGE; //Verify if the current view must be clipped to the screen RectF curPageBound = bounds.get(mCurrentPage); float curPageWidth = curPageBound.right - curPageBound.left; if (curPageBound.left < leftClip) { //Try to clip to the screen (left side) clipViewOnTheLeft(curPageBound, curPageWidth, left); } if (curPageBound.right > rightClip) { //Try to clip to the screen (right side) clipViewOnTheRight(curPageBound, curPageWidth, right); } //Left views starting from the current position if (mCurrentPage > 0) { for (int i = mCurrentPage - 1; i >= 0; i--) { RectF bound = bounds.get(i); //Is left side is outside the screen if (bound.left < leftClip) { float w = bound.right - bound.left; //Try to clip to the screen (left side) clipViewOnTheLeft(bound, w, left); //Except if there's an intersection with the right view RectF rightBound = bounds.get(i + 1); //Intersection if (bound.right + mTitlePadding > rightBound.left) { bound.left = rightBound.left - w - mTitlePadding; bound.right = bound.left + w; } } } } //Right views starting from the current position if (mCurrentPage < countMinusOne) { for (int i = mCurrentPage + 1; i < count; i++) { RectF bound = bounds.get(i); //If right side is outside the screen if (bound.right > rightClip) { float w = bound.right - bound.left; //Try to clip to the screen (right side) clipViewOnTheRight(bound, w, right); //Except if there's an intersection with the left view RectF leftBound = bounds.get(i - 1); //Intersection if (bound.left - mTitlePadding < leftBound.right) { bound.left = leftBound.right + mTitlePadding; bound.right = bound.left + w; } } } } //Now draw views int colorTextAlpha = mColorText >>> 24; for (int i = 0; i < count; i++) { //Get the title RectF bound = bounds.get(i); //Only if one side is visible if ((bound.left > left && bound.left < right) || (bound.right > left && bound.right < right)) { final boolean currentPage = (i == page); //Only set bold if we are within bounds mPaintText.setFakeBoldText(currentPage && currentBold && mBoldText); //Draw text as unselected mPaintText.setColor(mColorText); if (currentPage && currentSelected) { //Fade out/in unselected text as the selected text fades in/out mPaintText.setAlpha(colorTextAlpha - (int) (colorTextAlpha * selectedPercent)); } canvas.drawText(mTitleProvider.getTitle(i), bound.left, bound.bottom + mTopPadding, mPaintText); //If we are within the selected bounds draw the selected text if (currentPage && currentSelected) { mPaintText.setColor(mColorSelected); mPaintText.setAlpha((int) ((mColorSelected >>> 24) * selectedPercent)); canvas.drawText(mTitleProvider.getTitle(i), bound.left, bound.bottom + mTopPadding, mPaintText); } } } //Draw the footer line mPath = new Path(); mPath.moveTo(0, height - mFooterLineHeight / 2f); mPath.lineTo(width, height - mFooterLineHeight / 2f); mPath.close(); canvas.drawPath(mPath, mPaintFooterLine); switch (mFooterIndicatorStyle) { case Triangle: mPath = new Path(); mPath.moveTo(halfWidth, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(halfWidth + mFooterIndicatorHeight, height - mFooterLineHeight); mPath.lineTo(halfWidth - mFooterIndicatorHeight, height - mFooterLineHeight); mPath.close(); canvas.drawPath(mPath, mPaintFooterIndicator); break; case Underline: if (!currentSelected || page >= boundsSize) { break; } RectF underlineBounds = bounds.get(page); mPath = new Path(); mPath.moveTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.close(); mPaintFooterIndicator.setAlpha((int) (0xFF * selectedPercent)); canvas.drawPath(mPath, mPaintFooterIndicator); mPaintFooterIndicator.setAlpha(0xFF); break; } }
From source file:com.fanfou.app.opensource.ui.viewpager.TitlePageIndicator.java
@Override protected void onDraw(final Canvas canvas) { super.onDraw(canvas); // Calculate views bounds final ArrayList<RectF> bounds = calculateAllBounds(this.mPaintText); final int count = getPageCount(); final int countMinusOne = count - 1; final float halfWidth = getWidth() / 2f; final int left = getLeft(); final float leftClip = left + this.mClipPadding; final int width = getWidth(); final int height = getHeight(); final int right = left + width; final float rightClip = right - this.mClipPadding; final float offsetPercent = (1.0f * this.mCurrentOffset) / width; int page = this.mCurrentPage; if (this.mCurrentOffset > halfWidth) { page++;//w ww .j a v a2 s .co m } final boolean currentSelected = (offsetPercent <= TitlePageIndicator.SELECTION_FADE_PERCENTAGE); final boolean currentBold = (offsetPercent <= TitlePageIndicator.BOLD_FADE_PERCENTAGE); final float selectedPercent = (TitlePageIndicator.SELECTION_FADE_PERCENTAGE - offsetPercent) / TitlePageIndicator.SELECTION_FADE_PERCENTAGE; // Verify if the current view must be clipped to the screen final RectF curPageBound = bounds.get(this.mCurrentPage); // fix null pointer exception if (curPageBound != null) { final float curPageWidth = curPageBound.right - curPageBound.left; if (curPageBound.left < leftClip) { // Try to clip to the screen (left side) clipViewOnTheLeft(curPageBound, curPageWidth, left); } if (curPageBound.right > rightClip) { // Try to clip to the screen (right side) clipViewOnTheRight(curPageBound, curPageWidth, right); } } // Left views starting from the current position if (this.mCurrentPage > 0) { for (int i = this.mCurrentPage - 1; i >= 0; i--) { final RectF bound = bounds.get(i); // Is left side is outside the screen if (bound.left < leftClip) { final float w = bound.right - bound.left; // Try to clip to the screen (left side) clipViewOnTheLeft(bound, w, left); // Except if there's an intersection with the right view final RectF rightBound = bounds.get(i + 1); // Intersection if ((bound.right + this.mTitlePadding) > rightBound.left) { bound.left = rightBound.left - w - this.mTitlePadding; bound.right = bound.left + w; } } } } // Right views starting from the current position if (this.mCurrentPage < countMinusOne) { for (int i = this.mCurrentPage + 1; i < count; i++) { final RectF bound = bounds.get(i); // If right side is outside the screen if (bound.right > rightClip) { final float w = bound.right - bound.left; // Try to clip to the screen (right side) clipViewOnTheRight(bound, w, right); // Except if there's an intersection with the left view final RectF leftBound = bounds.get(i - 1); // Intersection if ((bound.left - this.mTitlePadding) < leftBound.right) { bound.left = leftBound.right + this.mTitlePadding; bound.right = bound.left + w; } } } } // if(App.DEBUG){ // Log.e(TAG, // "==============================================================="); // Log.e(TAG, "onDraw() mCurrentPage="+mCurrentPage); // Log.e(TAG, "onDraw() "); // Log.e(TAG, "onDraw() "); // Log.e(TAG, "onDraw() "); // Log.e(TAG, "onDraw() "); // Log.e(TAG, "onDraw() "); // Log.e(TAG, // "==============================================================="); // } // Now draw views for (int i = 0; i < count; i++) { // Get the title final RectF bound = bounds.get(i); // Only if one side is visible if (((bound.left > left) && (bound.left < right)) || ((bound.right > left) && (bound.right < right))) { final boolean currentPage = (i == page); // Only set bold if we are within bounds this.mPaintText.setFakeBoldText(currentPage && currentBold && this.mBoldText); // Draw text as unselected this.mPaintText.setColor(this.mColorText); canvas.drawText(this.mTitleProvider.getTitle(i), bound.left, bound.bottom, this.mPaintText); // If we are within the selected bounds draw the selected text if (currentPage && currentSelected) { this.mPaintText.setColor(this.mColorSelected); this.mPaintText.setAlpha((int) ((this.mColorSelected >>> 24) * selectedPercent)); canvas.drawText(this.mTitleProvider.getTitle(i), bound.left, bound.bottom, this.mPaintText); } } } // Draw the footer line // mPath = new Path(); this.mPath.reset(); this.mPath.moveTo(0, height - this.mFooterLineHeight); this.mPath.lineTo(width, height - this.mFooterLineHeight); this.mPath.close(); canvas.drawPath(this.mPath, this.mPaintFooterLine); switch (this.mFooterIndicatorStyle) { case Triangle: this.mPath.moveTo(halfWidth, height - this.mFooterLineHeight - this.mFooterIndicatorHeight); this.mPath.lineTo(halfWidth + this.mFooterIndicatorHeight, height - this.mFooterLineHeight); this.mPath.lineTo(halfWidth - this.mFooterIndicatorHeight, height - this.mFooterLineHeight); this.mPath.close(); canvas.drawPath(this.mPath, this.mPaintFooterIndicator); break; case Underline: if (!currentSelected) { break; } final RectF underlineBounds = bounds.get(page); this.mPath.moveTo(underlineBounds.left - this.mFooterIndicatorUnderlinePadding, height - this.mFooterLineHeight); this.mPath.lineTo(underlineBounds.right + this.mFooterIndicatorUnderlinePadding, height - this.mFooterLineHeight); this.mPath.lineTo(underlineBounds.right + this.mFooterIndicatorUnderlinePadding, height - this.mFooterLineHeight - this.mFooterIndicatorHeight); this.mPath.lineTo(underlineBounds.left - this.mFooterIndicatorUnderlinePadding, height - this.mFooterLineHeight - this.mFooterIndicatorHeight); this.mPath.close(); this.mPaintFooterIndicator.setAlpha((int) (0xFF * selectedPercent)); canvas.drawPath(this.mPath, this.mPaintFooterIndicator); this.mPaintFooterIndicator.setAlpha(0xFF); break; } }
From source file:com.ex.english.viewpagerindicator.TitlePageIndicator.java
@Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); if (mViewPager == null) { return;/* ww w . j ava 2 s .co m*/ } final int count = mViewPager.getAdapter().getCount(); if (count == 0) { return; } // mCurrentPage is -1 on first start and after orientation changed. If so, retrieve the correct index from viewpager. if (mCurrentPage == -1 && mViewPager != null) mCurrentPage = mViewPager.getCurrentItem(); //Calculate views bounds ArrayList<Rect> bounds = calculateAllBounds(mPaintText); final int boundsSize = bounds.size(); //Make sure we're on a page that still exists if (mCurrentPage >= boundsSize) { setCurrentItem(boundsSize - 1); return; } final int countMinusOne = count - 1; final float halfWidth = getWidth() / 2f; final int left = getLeft(); final float leftClip = left + mClipPadding; final int width = getWidth(); final int height = getHeight(); final int right = left + width; final float rightClip = right - mClipPadding; int page = mCurrentPage; float offsetPercent; if (mPageOffset <= 0.5) { offsetPercent = mPageOffset; } else { page += 1; offsetPercent = 1 - mPageOffset; } final boolean currentSelected = (offsetPercent <= SELECTION_FADE_PERCENTAGE); final boolean currentBold = (offsetPercent <= BOLD_FADE_PERCENTAGE); final float selectedPercent = (SELECTION_FADE_PERCENTAGE - offsetPercent) / SELECTION_FADE_PERCENTAGE; //Verify if the current view must be clipped to the screen Rect curPageBound = bounds.get(mCurrentPage); float curPageWidth = curPageBound.right - curPageBound.left; if (curPageBound.left < leftClip) { //Try to clip to the screen (left side) clipViewOnTheLeft(curPageBound, curPageWidth, left); } if (curPageBound.right > rightClip) { //Try to clip to the screen (right side) clipViewOnTheRight(curPageBound, curPageWidth, right); } //Left views starting from the current position if (mCurrentPage > 0) { for (int i = mCurrentPage - 1; i >= 0; i--) { Rect bound = bounds.get(i); //Is left side is outside the screen if (bound.left < leftClip) { int w = bound.right - bound.left; //Try to clip to the screen (left side) clipViewOnTheLeft(bound, w, left); //Except if there's an intersection with the right view Rect rightBound = bounds.get(i + 1); //Intersection if (bound.right + mTitlePadding > rightBound.left) { bound.left = (int) (rightBound.left - w - mTitlePadding); bound.right = bound.left + w; } } } } //Right views starting from the current position if (mCurrentPage < countMinusOne) { for (int i = mCurrentPage + 1; i < count; i++) { Rect bound = bounds.get(i); //If right side is outside the screen if (bound.right > rightClip) { int w = bound.right - bound.left; //Try to clip to the screen (right side) clipViewOnTheRight(bound, w, right); //Except if there's an intersection with the left view Rect leftBound = bounds.get(i - 1); //Intersection if (bound.left - mTitlePadding < leftBound.right) { bound.left = (int) (leftBound.right + mTitlePadding); bound.right = bound.left + w; } } } } //Now draw views int colorTextAlpha = mColorText >>> 24; for (int i = 0; i < count; i++) { //Get the title Rect bound = bounds.get(i); //Only if one side is visible if ((bound.left > left && bound.left < right) || (bound.right > left && bound.right < right)) { final boolean currentPage = (i == page); final CharSequence pageTitle = getTitle(i); //Only set bold if we are within bounds mPaintText.setFakeBoldText(currentPage && currentBold && mBoldText); //Draw text as unselected mPaintText.setColor(mColorText); if (currentPage && currentSelected) { //Fade out/in unselected text as the selected text fades in/out mPaintText.setAlpha(colorTextAlpha - (int) (colorTextAlpha * selectedPercent)); } canvas.drawText(pageTitle, 0, pageTitle.length(), bound.left, bound.bottom + mTopPadding, mPaintText); //If we are within the selected bounds draw the selected text if (currentPage && currentSelected) { mPaintText.setColor(mColorSelected); mPaintText.setAlpha((int) ((mColorSelected >>> 24) * selectedPercent)); canvas.drawText(pageTitle, 0, pageTitle.length(), bound.left, bound.bottom + mTopPadding, mPaintText); } } } //Draw the footer line mPath.reset(); mPath.moveTo(0, height - mFooterLineHeight / 2f); mPath.lineTo(width, height - mFooterLineHeight / 2f); mPath.close(); canvas.drawPath(mPath, mPaintFooterLine); switch (mFooterIndicatorStyle) { case Triangle: mPath.reset(); mPath.moveTo(halfWidth, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(halfWidth + mFooterIndicatorHeight, height - mFooterLineHeight); mPath.lineTo(halfWidth - mFooterIndicatorHeight, height - mFooterLineHeight); mPath.close(); canvas.drawPath(mPath, mPaintFooterIndicator); break; case Underline: if (!currentSelected || page >= boundsSize) { break; } Rect underlineBounds = bounds.get(page); mPath.reset(); mPath.moveTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.close(); mPaintFooterIndicator.setAlpha((int) (0xFF * selectedPercent)); canvas.drawPath(mPath, mPaintFooterIndicator); mPaintFooterIndicator.setAlpha(0xFF); break; } }
From source file:com.viewpagerindicator.TitlePageIndicator.java
@Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); if (mViewPager == null) { return;/*from w ww . j a v a 2 s.com*/ } final int count = mViewPager.getAdapter().getCount(); if (count == 0) { return; } // mCurrentPage is -1 on first start and after orientation changed. If so, retrieve the correct index from viewpager. if (mCurrentPage == -1 && mViewPager != null) mCurrentPage = mViewPager.getCurrentItem(); //Calculate views bounds ArrayList<Rect> bounds = calculateAllBounds(mPaintText); final int boundsSize = bounds.size(); //Make sure we're on a page that still exists if (mCurrentPage >= boundsSize) { setCurrentItem(boundsSize - 1); return; } final int countMinusOne = count - 1; final float halfWidth = getWidth() / 2f; final int left = getLeft(); final float leftClip = left + mClipPadding; final int width = getWidth(); final int height = getHeight(); final int right = left + width; final float rightClip = right - mClipPadding; int page = mCurrentPage; float offsetPercent; if (mPageOffset <= 0.5) { offsetPercent = mPageOffset; } else { page += 1; offsetPercent = 1 - mPageOffset; } final boolean currentSelected = (offsetPercent <= SELECTION_FADE_PERCENTAGE); final boolean currentBold = (offsetPercent <= BOLD_FADE_PERCENTAGE); final float selectedPercent = (SELECTION_FADE_PERCENTAGE - offsetPercent) / SELECTION_FADE_PERCENTAGE; //Verify if the current view must be clipped to the screen Rect curPageBound = bounds.get(mCurrentPage); float curPageWidth = curPageBound.right - curPageBound.left; if (curPageBound.left < leftClip) { //Try to clip to the screen (left side) clipViewOnTheLeft(curPageBound, curPageWidth, left); } if (curPageBound.right > rightClip) { //Try to clip to the screen (right side) clipViewOnTheRight(curPageBound, curPageWidth, right); } //Left views starting from the current position if (mCurrentPage > 0) { for (int i = mCurrentPage - 1; i >= 0; i--) { Rect bound = bounds.get(i); //Is left side is outside the screen if (bound.left < leftClip) { int w = bound.right - bound.left; //Try to clip to the screen (left side) clipViewOnTheLeft(bound, w, left); //Except if there's an intersection with the right view Rect rightBound = bounds.get(i + 1); //Intersection if (bound.right + mTitlePadding > rightBound.left) { bound.left = (int) (rightBound.left - w - mTitlePadding); bound.right = bound.left + w; } } } } //Right views starting from the current position if (mCurrentPage < countMinusOne) { for (int i = mCurrentPage + 1; i < count; i++) { Rect bound = bounds.get(i); //If right side is outside the screen if (bound.right > rightClip) { int w = bound.right - bound.left; //Try to clip to the screen (right side) clipViewOnTheRight(bound, w, right); //Except if there's an intersection with the left view Rect leftBound = bounds.get(i - 1); //Intersection if (bound.left - mTitlePadding < leftBound.right) { bound.left = (int) (leftBound.right + mTitlePadding); bound.right = bound.left + w; } } } } //Now draw views int colorTextAlpha = mColorText >>> 24; for (int i = 0; i < count; i++) { //Get the title Rect bound = bounds.get(i); //Only if one side is visible if ((bound.left > left && bound.left < right) || (bound.right > left && bound.right < right)) { final boolean currentPage = (i == page); final CharSequence pageTitle = getTitle(i); //Only set bold if we are within bounds mPaintText.setFakeBoldText(currentPage && currentBold && mBoldText); //Draw text as unselected mPaintText.setColor(mColorText); if (currentPage && currentSelected) { //Fade out/in unselected text as the selected text fades in/out mPaintText.setAlpha(colorTextAlpha - (int) (colorTextAlpha * selectedPercent)); } canvas.drawText(pageTitle, 0, pageTitle.length(), bound.left, bound.bottom + mTopPadding, mPaintText); //If we are within the selected bounds draw the selected text if (currentPage && currentSelected) { mPaintText.setColor(mColorSelected); mPaintText.setAlpha((int) ((mColorSelected >>> 24) * selectedPercent)); canvas.drawText(pageTitle, 0, pageTitle.length(), bound.left, bound.bottom + mTopPadding, mPaintText); } } } //Draw the footer line mPath.reset(); mPath.moveTo(0, height - mFooterLineHeight / 2f); mPath.lineTo(width, height - mFooterLineHeight / 2f); mPath.close(); canvas.drawPath(mPath, mPaintFooterLine); switch (mFooterIndicatorStyle) { case Triangle: mPath.reset(); mPath.moveTo(halfWidth, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(halfWidth + mFooterIndicatorHeight, height - mFooterLineHeight); mPath.lineTo(halfWidth - mFooterIndicatorHeight, height - mFooterLineHeight); mPath.close(); canvas.drawPath(mPath, mPaintFooterIndicator); break; case Underline: if (!currentSelected || page >= boundsSize) { break; } Rect underlineBounds = bounds.get(page); mPath.reset(); mPath.moveTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.close(); mPaintFooterIndicator.setAlpha((int) (0xFF * selectedPercent)); canvas.drawPath(mPath, mPaintFooterIndicator); mPaintFooterIndicator.setAlpha(0xFF); break; case None: default: break; // To keep the Linter happy } }
From source file:com.chrynan.guitarchords.view.GuitarChordView.java
@Override protected void onDraw(Canvas canvas) { //This method handles a lot of work, possibly too much for an onDraw method, but since I'm not animating //or updating the view often, it should be capable of performing the tasks without too much effort. //I can optimize this later. //First draw the strings and fret markers //Fret markers; not worrying about whether or not to show the bridge nut now (since that wasn't calculated //in to the drawing size) //TODO need to take into account whether or not to show bridgeNut int fretCount = chord.getFretCount(); fretCount = (fretCount < 4) ? 4 : fretCount; for (int i = 0; i < fretCount + 1; i++) { canvas.drawLine(drawingBounds.left + fretNumberBounds.width(), (drawingBounds.top + stringMarkerBounds.height()) + (i * fretSize) + (i * fretMarkerSize), drawingBounds.right - stringSize, (drawingBounds.top + stringMarkerBounds.height()) + (i * fretSize) + (i * fretMarkerSize), fretMarkerPaint);/* www. jav a2s . c o m*/ } //Strings for (int i = 0; i < stringCount; i++) { canvas.drawLine((stringMarkerBounds.left) + (i * stringDistance) + (i * stringSize), drawingBounds.top + stringMarkerBounds.height(), (stringMarkerBounds.left) + (i * stringDistance) + (i * stringSize), drawingBounds.bottom - fretMarkerSize, stringPaint); } //Next draw the fret numbers and string markers //Fret numbers; check if we are showing them or not if (showFretNumbers) { for (int i = 0; i < fretCount; i++) { canvas.drawText(String.valueOf(i + 1), drawingBounds.left + fretNumberBounds.width() / 2, getVerticalCenterTextPosition( stringMarkerBounds.bottom + (i * fretMarkerSize) + (i * fretSize) + (fretSize / 2), String.valueOf(i + 1), fretNumberPaint), fretNumberPaint); } } //String markers for (int i : chord.getMutedStrings()) { canvas.drawText(mutedText, (drawingBounds.left + fretNumberBounds.width()) + ((stringCount - i) * stringDistance) + ((stringCount - i) * stringSize), getVerticalCenterTextPosition(drawingBounds.top + (stringMarkerBounds.height() / 2), mutedText, stringMarkerPaint), stringMarkerPaint); } for (int i : chord.getOpenStrings()) { canvas.drawText(openStringText, (drawingBounds.left + fretNumberBounds.width()) + ((stringCount - i) * stringDistance) + ((stringCount - i) * stringSize), getVerticalCenterTextPosition(drawingBounds.top + (stringMarkerBounds.height() / 2), openStringText, stringMarkerPaint), stringMarkerPaint); } //Finally, draw all the notes and the note text //Bars float startCenterX; float startCenterY; for (ChordMarker cm : chord.getBars()) { startCenterX = (drawingBounds.left + fretNumberBounds.width()) + ((stringCount - cm.getStartString()) * stringDistance) + ((stringCount - cm.getStartString()) * stringSize); startCenterY = stringMarkerBounds.bottom + (((cm.getFret() * fretSize) + (cm.getFret() * fretMarkerSize)) - (fretSize / 2)); float endCenterX = (drawingBounds.left + fretNumberBounds.width()) + ((stringCount - cm.getEndString()) * stringDistance) + ((stringCount - cm.getEndString()) * stringSize); float endCenterY = startCenterY; canvas.drawCircle(startCenterX, startCenterY, noteSize / 2, notePaint); canvas.drawCircle(endCenterX, endCenterY, noteSize / 2, notePaint); if (showFingerNumbers) { canvas.drawText(String.valueOf(cm.getFinger()), startCenterX, getVerticalCenterTextPosition( startCenterY, String.valueOf(cm.getFinger()), noteNumberPaint), noteNumberPaint); canvas.drawText(String.valueOf(cm.getFinger()), endCenterX, getVerticalCenterTextPosition(endCenterY, String.valueOf(cm.getFinger()), noteNumberPaint), noteNumberPaint); } barLinePath = new Path(); barLinePath.moveTo(startCenterX, startCenterY - (noteSize / 2)); barLinePath.quadTo((startCenterX + endCenterX) / 2, (startCenterY + endCenterY - (noteSize / 2)) / 4, endCenterX, endCenterY - (noteSize / 2)); canvas.drawPath(barLinePath, barLinePaint); } //Individual notes for (ChordMarker cm : chord.getIndividualNotes()) { startCenterX = (drawingBounds.left + fretNumberBounds.width()) + ((stringCount - cm.getStartString()) * stringDistance) + ((stringCount - cm.getStartString()) * stringSize); startCenterY = stringMarkerBounds.bottom + (((cm.getFret() * fretSize) + (cm.getFret() * fretMarkerSize)) - (fretSize / 2)); canvas.drawCircle(startCenterX, startCenterY, noteSize / 2, notePaint); if (showFingerNumbers) { canvas.drawText(String.valueOf(cm.getFinger()), startCenterX, getVerticalCenterTextPosition( startCenterY, String.valueOf(cm.getFinger()), noteNumberPaint), noteNumberPaint); } } }
From source file:indrora.atomic.indicator.ConversationTitlePageIndicator.java
@Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); if (mViewPager == null) { return;/*from w w w . java 2 s. co m*/ } final int count = mViewPager.getAdapter().getCount(); if (count == 0) { return; } // mCurrentPage is -1 on first start and after orientation changed. If so, retrieve the correct index from viewpager. if (mCurrentPage == -1 && mViewPager != null) { mCurrentPage = mViewPager.getCurrentItem(); } //Calculate views bounds ArrayList<Rect> bounds = calculateAllBounds(mPaintText); final int boundsSize = bounds.size(); //Make sure we're on a page that still exists if (mCurrentPage >= boundsSize) { setCurrentItem(boundsSize - 1); return; } final int countMinusOne = count - 1; final float halfWidth = getWidth() / 2f; final int left = getLeft(); final float leftClip = left + mClipPadding; final int width = getWidth(); final int height = getHeight(); final int right = left + width; final float rightClip = right - mClipPadding; int page = mCurrentPage; float offsetPercent; if (mPageOffset <= 0.5) { offsetPercent = mPageOffset; } else { page += 1; offsetPercent = 1 - mPageOffset; } final boolean currentSelected = (offsetPercent <= SELECTION_FADE_PERCENTAGE); final boolean currentBold = (offsetPercent <= BOLD_FADE_PERCENTAGE); final float selectedPercent = (SELECTION_FADE_PERCENTAGE - offsetPercent) / SELECTION_FADE_PERCENTAGE; //Verify if the current view must be clipped to the screen Rect curPageBound = bounds.get(mCurrentPage); float curPageWidth = curPageBound.right - curPageBound.left; if (curPageBound.left < leftClip) { //Try to clip to the screen (left side) clipViewOnTheLeft(curPageBound, curPageWidth, left); } if (curPageBound.right > rightClip) { //Try to clip to the screen (right side) clipViewOnTheRight(curPageBound, curPageWidth, right); } //Left views starting from the current position if (mCurrentPage > 0) { for (int i = mCurrentPage - 1; i >= 0; i--) { Rect bound = bounds.get(i); //Is left side is outside the screen if (bound.left < leftClip) { int w = bound.right - bound.left; //Try to clip to the screen (left side) clipViewOnTheLeft(bound, w, left); //Except if there's an intersection with the right view Rect rightBound = bounds.get(i + 1); //Intersection if (bound.right + mTitlePadding > rightBound.left) { bound.left = (int) (rightBound.left - w - mTitlePadding); bound.right = bound.left + w; } } } } //Right views starting from the current position if (mCurrentPage < countMinusOne) { for (int i = mCurrentPage + 1; i < count; i++) { Rect bound = bounds.get(i); //If right side is outside the screen if (bound.right > rightClip) { int w = bound.right - bound.left; //Try to clip to the screen (right side) clipViewOnTheRight(bound, w, right); //Except if there's an intersection with the left view Rect leftBound = bounds.get(i - 1); //Intersection if (bound.left - mTitlePadding < leftBound.right) { bound.left = (int) (leftBound.right + mTitlePadding); bound.right = bound.left + w; } } } } //Now draw views int colorTextAlpha = mColorText >>> 24; for (int i = 0; i < count; i++) { //Get the title Rect bound = bounds.get(i); //Only if one side is visible if ((bound.left > left && bound.left < right) || (bound.right > left && bound.right < right)) { final boolean currentPage = (i == page); final CharSequence pageTitle = getTitle(i); //Only set bold if we are within bounds mPaintText.setFakeBoldText(currentPage && currentBold && mBoldText); //Draw text as unselected mPaintText.setColor(currentPage ? mColorText : mStateProvider.getColorAt(i)); if (currentPage && currentSelected) { //Fade out/in unselected text as the selected text fades in/out mPaintText.setAlpha(colorTextAlpha - (int) (colorTextAlpha * selectedPercent)); } canvas.drawText(pageTitle, 0, pageTitle.length(), bound.left, bound.bottom + mTopPadding, mPaintText); //If we are within the selected bounds draw the selected text if (currentPage && currentSelected) { mPaintText.setColor(mColorSelected); mPaintText.setAlpha((int) ((mColorSelected >>> 24) * selectedPercent)); canvas.drawText(pageTitle, 0, pageTitle.length(), bound.left, bound.bottom + mTopPadding, mPaintText); } } } //Draw the footer line mPath.reset(); mPath.moveTo(0, height - mFooterLineHeight / 2f); mPath.lineTo(width, height - mFooterLineHeight / 2f); mPath.close(); canvas.drawPath(mPath, mPaintFooterLine); switch (mFooterIndicatorStyle) { case Triangle: mPath.reset(); mPath.moveTo(halfWidth, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(halfWidth + mFooterIndicatorHeight, height - mFooterLineHeight); mPath.lineTo(halfWidth - mFooterIndicatorHeight, height - mFooterLineHeight); mPath.close(); canvas.drawPath(mPath, mPaintFooterIndicator); break; case Underline: if (!currentSelected || page >= boundsSize) { break; } Rect underlineBounds = bounds.get(page); mPath.reset(); mPath.moveTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight); mPath.lineTo(underlineBounds.right + mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.lineTo(underlineBounds.left - mFooterIndicatorUnderlinePadding, height - mFooterLineHeight - mFooterIndicatorHeight); mPath.close(); mPaintFooterIndicator.setAlpha((int) (0xFF * selectedPercent)); canvas.drawPath(mPath, mPaintFooterIndicator); mPaintFooterIndicator.setAlpha(0xFF); break; case None: // Nothing to do here. break; } }