List of usage examples for android.graphics Color alpha
@IntRange(from = 0, to = 255) public static int alpha(int color)
From source file:com.google.android.apps.muzei.settings.ChooseSourceFragment.java
public void updateSources() { mSelectedSource = null;/* w ww . ja va2 s . c o m*/ Intent queryIntent = new Intent(ACTION_MUZEI_ART_SOURCE); PackageManager pm = getContext().getPackageManager(); mSources.clear(); List<ResolveInfo> resolveInfos = pm.queryIntentServices(queryIntent, PackageManager.GET_META_DATA); for (ResolveInfo ri : resolveInfos) { Source source = new Source(); source.label = ri.loadLabel(pm).toString(); source.icon = new BitmapDrawable(getResources(), generateSourceImage(ri.loadIcon(pm))); source.targetSdkVersion = ri.serviceInfo.applicationInfo.targetSdkVersion; source.componentName = new ComponentName(ri.serviceInfo.packageName, ri.serviceInfo.name); if (ri.serviceInfo.descriptionRes != 0) { try { Context packageContext = getContext() .createPackageContext(source.componentName.getPackageName(), 0); Resources packageRes = packageContext.getResources(); source.description = packageRes.getString(ri.serviceInfo.descriptionRes); } catch (PackageManager.NameNotFoundException | Resources.NotFoundException e) { Log.e(TAG, "Can't read package resources for source " + source.componentName); } } Bundle metaData = ri.serviceInfo.metaData; source.color = Color.WHITE; if (metaData != null) { String settingsActivity = metaData.getString("settingsActivity"); if (!TextUtils.isEmpty(settingsActivity)) { source.settingsActivity = ComponentName .unflattenFromString(ri.serviceInfo.packageName + "/" + settingsActivity); } String setupActivity = metaData.getString("setupActivity"); if (!TextUtils.isEmpty(setupActivity)) { source.setupActivity = ComponentName .unflattenFromString(ri.serviceInfo.packageName + "/" + setupActivity); } source.color = metaData.getInt("color", source.color); try { float[] hsv = new float[3]; Color.colorToHSV(source.color, hsv); boolean adjust = false; if (hsv[2] < 0.8f) { hsv[2] = 0.8f; adjust = true; } if (hsv[1] > 0.4f) { hsv[1] = 0.4f; adjust = true; } if (adjust) { source.color = Color.HSVToColor(hsv); } if (Color.alpha(source.color) != 255) { source.color = Color.argb(255, Color.red(source.color), Color.green(source.color), Color.blue(source.color)); } } catch (IllegalArgumentException ignored) { } } mSources.add(source); } final String appPackage = getContext().getPackageName(); Collections.sort(mSources, new Comparator<Source>() { @Override public int compare(Source s1, Source s2) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { boolean target1IsO = s1.targetSdkVersion >= Build.VERSION_CODES.O; boolean target2IsO = s2.targetSdkVersion >= Build.VERSION_CODES.O; if (target1IsO && !target2IsO) { return 1; } else if (!target1IsO && target2IsO) { return -1; } } String pn1 = s1.componentName.getPackageName(); String pn2 = s2.componentName.getPackageName(); if (!pn1.equals(pn2)) { if (appPackage.equals(pn1)) { return -1; } else if (appPackage.equals(pn2)) { return 1; } } return s1.label.compareTo(s2.label); } }); redrawSources(); }
From source file:com.mishiranu.dashchan.ui.gallery.GalleryActivity.java
private void switchMode(boolean galleryMode, boolean animated) { int duration = animated ? GALLERY_TRANSITION_DURATION : 0; pagerUnit.switchMode(galleryMode, duration); listUnit.switchMode(galleryMode, duration); if (galleryMode) { int count = instance.galleryItems.size(); setTitle(R.string.action_gallery); getActionBar().setSubtitle(/*ww w .j a v a 2 s . com*/ getResources().getQuantityString(R.plurals.text_several_files_count_format, count, count)); } modifySystemUiVisibility(GalleryInstance.FLAG_LOCKED_GRID, galleryMode); this.galleryMode = galleryMode; if (galleryMode) { new CornerAnimator(0xa0, 0xc0); } else { int alpha = Color.alpha(ACTION_BAR_COLOR); new CornerAnimator(alpha, alpha); } invalidateOptionsMenu(); }
From source file:com.manuelpeinado.numericpageindicator.NumericPageIndicator.java
@Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); if (mViewPager == null) { return;//w w w . j a v a 2s. c o 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(); } // Handle the first time we draw the view, when onMeasure has not been // called yet if (mTextFirstPart == null) { updateText(); } // Draw the main text (e.g. "Page 1 of 20"). The hardest part is drawing // the page // number itself, because of the animated effect in which the current // page fades // out and the next one fades in. In order to implement this effect we // are forced to // draw the text in four "chunks": the first part ("Page "), the current // page // number ("1"), the next page number ("2"), and the last part // (" of 20"). // To implement the fade in and fade out animations we simply change the // alpha // of the page number text, relative to the view pager scroll final float currentPageWeight = 1 - mPageOffset; final float nextPageWeight = mPageOffset; final float firstPartWidth = mPaintText.measureText(mTextFirstPart); final String currentPageNumber = Integer.toString(mCurrentPage + 1); final String nextPageNumber = Integer.toString(mCurrentPage + 2); final float currentPageNumberWidth = mPaintText.measureText(currentPageNumber); final float nextPageNumberWidth = mPaintText.measureText(nextPageNumber); final float pageNumberWidth = currentPageWeight * currentPageNumberWidth + nextPageWeight * nextPageNumberWidth; final float lastPartWidth = mPaintText.measureText(mTextLastPart); final float totalWidth = firstPartWidth + pageNumberWidth + lastPartWidth; float currentX = (getWidth() - totalWidth) / 2; canvas.drawText(mTextFirstPart, currentX, mTextBottom, mPaintText); currentX += firstPartWidth; final float pageNumberCenterX = currentX + pageNumberWidth / 2; final int startAlpha = Color.alpha(mColorPageNumberText); final int endAlpha = 0; final float currentPageNumberAlpha = currentPageWeight * startAlpha + nextPageWeight * endAlpha; mPaintPageNumberText.setAlpha((int) currentPageNumberAlpha); canvas.drawText(currentPageNumber, pageNumberCenterX - currentPageNumberWidth / 2, mTextBottom, mPaintPageNumberText); final float nextPageNumberAlpha = nextPageWeight * startAlpha + currentPageWeight * endAlpha; mPaintPageNumberText.setAlpha((int) nextPageNumberAlpha); canvas.drawText(nextPageNumber, pageNumberCenterX - nextPageNumberWidth / 2, mTextBottom, mPaintPageNumberText); currentX += pageNumberWidth; canvas.drawText(mTextLastPart, currentX, mTextBottom, mPaintText); // Draw the "start" and "end" buttons if (mShowStartEndButtons) { final int textStartAlpha = Color.alpha(mColorText); final int textEndAlpha = 0; if (mCurrentPage != 0 && mStartDown) { canvas.drawRect(mRectStart, mPaintButtonBackground); } if (mCurrentPage != count - 1 && mEndDown) { canvas.drawRect(mRectEnd, mPaintButtonBackground); } if (mCurrentPage == 0) { mPaintText.setAlpha((int) (nextPageWeight * textStartAlpha + currentPageWeight * textEndAlpha)); } if (!mShowImagesForPageControls) { canvas.drawText(mTextStartButton, mRectStart.centerX() - mWidthStartText / 2, mRectStartText.bottom, mPaintText); } else if (mStartButtonImage != null) { canvas.drawBitmap(mStartButtonImage, mRectStart.centerX() - mStartButtonImage.getWidth() / 2, mRectStart.centerY() - mStartButtonImage.getHeight() / 2, mPaintText); } mPaintText.setAlpha(Color.alpha(mColorText)); if (mCurrentPage < count - 1) { if (mCurrentPage == count - 2) { mPaintText.setAlpha((int) (currentPageWeight * textStartAlpha + nextPageWeight * textEndAlpha)); } if (!mShowImagesForPageControls) { canvas.drawText(mTextEndButton, mRectEnd.centerX() - mWidthEndText / 2, mRectEndText.bottom, mPaintText); } else if (mEndButtonImage != null) { canvas.drawBitmap(mEndButtonImage, mRectEnd.centerX() - mEndButtonImage.getWidth() / 2, mRectEnd.centerY() - mEndButtonImage.getHeight() / 2, mPaintText); } mPaintText.setAlpha(Color.alpha(mColorText)); } } // Draw the "next" and "previous" buttons if (mShowChangePageButtons) { final int textStartAlpha = Color.alpha(mColorText); final int textEndAlpha = 0; if (mCurrentPage != 0 && mPreviousDown) { canvas.drawRect(mRectPrevious, mPaintButtonBackground); } if (mCurrentPage != count - 1 && mNextDown) { canvas.drawRect(mRectNext, mPaintButtonBackground); } if (mCurrentPage == 0) { mPaintText.setAlpha((int) (nextPageWeight * textStartAlpha + currentPageWeight * textEndAlpha)); } if (!mShowImagesForPageControls) { canvas.drawText(mTextPreviousButton, mRectPrevious.centerX() - mWidthPreviousText / 2, mRectPreviousText.bottom, mPaintText); } else if (mPreviousButtonImage != null) { canvas.drawBitmap(mPreviousButtonImage, mRectPrevious.centerX() - mPreviousButtonImage.getWidth() / 2, mRectPrevious.centerY() - mPreviousButtonImage.getHeight() / 2, mPaintText); } mPaintText.setAlpha(Color.alpha(mColorText)); if (mCurrentPage < count - 1) { if (mCurrentPage == count - 2) { mPaintText.setAlpha((int) (currentPageWeight * textStartAlpha + nextPageWeight * textEndAlpha)); } if (!mShowImagesForPageControls) { canvas.drawText(mTextNextButton, mRectNext.centerX() - mWidthNextText / 2, mRectNextText.bottom, mPaintText); } else if (mNextButtonImage != null) { canvas.drawBitmap(mNextButtonImage, mRectNext.centerX() - mNextButtonImage.getWidth() / 2, mRectNext.centerY() - mNextButtonImage.getHeight() / 2, mPaintText); } mPaintText.setAlpha(Color.alpha(mColorText)); } } }
From source file:com.granita.tasks.EditTaskFragment.java
public int mixColors(int col1, int col2) { int r1, g1, b1, r2, g2, b2; int a1 = Color.alpha(col1); r1 = Color.red(col1);/*from ww w . ja v a 2 s . c o m*/ g1 = Color.green(col1); b1 = Color.blue(col1); r2 = Color.red(col2); g2 = Color.green(col2); b2 = Color.blue(col2); int r3 = (r1 * a1 + r2 * (255 - a1)) / 255; int g3 = (g1 * a1 + g2 * (255 - a1)) / 255; int b3 = (b1 * a1 + b2 * (255 - a1)) / 255; return Color.rgb(r3, g3, b3); }
From source file:devlight.io.library.ArcProgressStackView.java
private int adjustColorAlpha(final int color, final float factor) { return Color.argb(Math.round(Color.alpha(color) * factor), Color.red(color), Color.green(color), Color.blue(color));//from w ww. ja v a 2 s . co m }
From source file:io.jawg.osmcontributor.ui.utils.BitmapHandler.java
public static Bitmap hue(Bitmap bitmap, float hue) { Bitmap newBitmap = bitmap.copy(bitmap.getConfig(), true); final int width = newBitmap.getWidth(); final int height = newBitmap.getHeight(); float[] hsv = new float[3]; for (int y = 0; y < height; y++) { for (int x = 0; x < width; x++) { int pixel = newBitmap.getPixel(x, y); Color.colorToHSV(pixel, hsv); hsv[0] = hue;//from ww w . j a v a2s . co m newBitmap.setPixel(x, y, Color.HSVToColor(Color.alpha(pixel), hsv)); } } return newBitmap; }
From source file:com.jaredrummler.android.colorpicker.ColorPickerDialog.java
void createColorShades(@ColorInt final int color) { final int[] colorShades = getColorShades(color); if (shadesLayout.getChildCount() != 0) { for (int i = 0; i < shadesLayout.getChildCount(); i++) { FrameLayout layout = (FrameLayout) shadesLayout.getChildAt(i); final ColorPanelView cpv = (ColorPanelView) layout.findViewById(R.id.cpv_color_panel_view); ImageView iv = (ImageView) layout.findViewById(R.id.cpv_color_image_view); cpv.setColor(colorShades[i]); cpv.setTag(false);/*from w w w . j a v a 2s.c om*/ iv.setImageDrawable(null); } return; } final int horizontalPadding = getResources().getDimensionPixelSize(R.dimen.cpv_item_horizontal_padding); for (final int colorShade : colorShades) { int layoutResId; if (colorShape == ColorShape.SQUARE) { layoutResId = R.layout.cpv_color_item_square; } else { layoutResId = R.layout.cpv_color_item_circle; } final View view = View.inflate(getActivity(), layoutResId, null); final ColorPanelView colorPanelView = (ColorPanelView) view.findViewById(R.id.cpv_color_panel_view); ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) colorPanelView.getLayoutParams(); params.leftMargin = params.rightMargin = horizontalPadding; colorPanelView.setLayoutParams(params); colorPanelView.setColor(colorShade); shadesLayout.addView(view); colorPanelView.post(new Runnable() { @Override public void run() { // The color is black when rotating the dialog. This is a dirty fix. WTF!? colorPanelView.setColor(colorShade); } }); colorPanelView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (v.getTag() instanceof Boolean && (Boolean) v.getTag()) { colorPickerDialogListener.onColorSelected(dialogId, ColorPickerDialog.this.color); dismiss(); return; // already selected } ColorPickerDialog.this.color = colorPanelView.getColor(); adapter.selectNone(); for (int i = 0; i < shadesLayout.getChildCount(); i++) { FrameLayout layout = (FrameLayout) shadesLayout.getChildAt(i); ColorPanelView cpv = (ColorPanelView) layout.findViewById(R.id.cpv_color_panel_view); ImageView iv = (ImageView) layout.findViewById(R.id.cpv_color_image_view); iv.setImageResource(cpv == v ? R.drawable.cpv_preset_checked : 0); if (cpv == v && ColorUtils.calculateLuminance(cpv.getColor()) >= 0.65 || Color.alpha(cpv.getColor()) <= ALPHA_THRESHOLD) { iv.setColorFilter(Color.BLACK, PorterDuff.Mode.SRC_IN); } else { iv.setColorFilter(null); } cpv.setTag(cpv == v); } } }); colorPanelView.setOnLongClickListener(new View.OnLongClickListener() { @Override public boolean onLongClick(View v) { colorPanelView.showHint(); return true; } }); } }
From source file:com.jrummyapps.android.colorpicker.ColorPickerDialog.java
void createColorShades(@ColorInt final int color) { final int[] colorShades = getColorShades(color); if (shadesLayout.getChildCount() != 0) { for (int i = 0; i < shadesLayout.getChildCount(); i++) { FrameLayout layout = (FrameLayout) shadesLayout.getChildAt(i); final ColorPanelView cpv = layout.findViewById(R.id.cpv_color_panel_view); ImageView iv = layout.findViewById(R.id.cpv_color_image_view); cpv.setColor(colorShades[i]); cpv.setTag(false);/*from w w w.j a v a 2 s . c o m*/ iv.setImageDrawable(null); } return; } final int horizontalPadding = getResources().getDimensionPixelSize(R.dimen.cpv_item_horizontal_padding); for (final int colorShade : colorShades) { int layoutResId; if (colorShape == ColorShape.SQUARE) { layoutResId = R.layout.cpv_color_item_square; } else { layoutResId = R.layout.cpv_color_item_circle; } final View view = View.inflate(getActivity(), layoutResId, null); final ColorPanelView colorPanelView = view.findViewById(R.id.cpv_color_panel_view); ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) colorPanelView.getLayoutParams(); params.leftMargin = params.rightMargin = horizontalPadding; colorPanelView.setLayoutParams(params); colorPanelView.setColor(colorShade); shadesLayout.addView(view); colorPanelView.post(new Runnable() { @Override public void run() { // The color is black when rotating the dialog. This is a dirty fix. WTF!? colorPanelView.setColor(colorShade); } }); colorPanelView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (v.getTag() instanceof Boolean && (Boolean) v.getTag()) { colorPickerDialogListener.onColorSelected(dialogId, ColorPickerDialog.this.color); dismiss(); return; // already selected } ColorPickerDialog.this.color = colorPanelView.getColor(); adapter.selectNone(); for (int i = 0; i < shadesLayout.getChildCount(); i++) { FrameLayout layout = (FrameLayout) shadesLayout.getChildAt(i); ColorPanelView cpv = layout.findViewById(R.id.cpv_color_panel_view); ImageView iv = layout.findViewById(R.id.cpv_color_image_view); iv.setImageResource(cpv == v ? R.drawable.cpv_preset_checked : 0); if (cpv == v && ColorUtils.calculateLuminance(cpv.getColor()) >= 0.65 || Color.alpha(cpv.getColor()) <= ALPHA_THRESHOLD) { iv.setColorFilter(Color.BLACK, PorterDuff.Mode.SRC_IN); } else { iv.setColorFilter(null); } cpv.setTag(cpv == v); } } }); colorPanelView.setOnLongClickListener(new View.OnLongClickListener() { @Override public boolean onLongClick(View v) { colorPanelView.showHint(); return true; } }); } }
From source file:com.jaredrummler.android.colorpicker.ColorPickerDialog.java
private int shadeColor(@ColorInt int color, double percent) { String hex = String.format("#%06X", (0xFFFFFF & color)); long f = Long.parseLong(hex.substring(1), 16); double t = percent < 0 ? 0 : 255; double p = percent < 0 ? percent * -1 : percent; long R = f >> 16; long G = f >> 8 & 0x00FF; long B = f & 0x0000FF; int alpha = Color.alpha(color); int red = (int) (Math.round((t - R) * p) + R); int green = (int) (Math.round((t - G) * p) + G); int blue = (int) (Math.round((t - B) * p) + B); return Color.argb(alpha, red, green, blue); }
From source file:com.klinker.android.sliding.MultiShrinkScroller.java
/** * Sets the tint color that should be applied to the header. If an image is present, this * will go behind the image and show over it as the activity is scrolled, otherwise it will * just be the color displayed at the top of the screen. * @param color the primary color for the activity to display. *//*from www. ja v a2 s.c om*/ public void setHeaderTintColor(int color) { headerTintColor = color; updatePhotoTintAndDropShadow(); // We want to use the same amount of alpha on the new tint color as the previous tint color. if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { final int edgeEffectAlpha = Color.alpha(edgeGlowBottom.getColor()); edgeGlowBottom.setColor((color & 0xffffff) | Color.argb(edgeEffectAlpha, 0, 0, 0)); edgeGlowTop.setColor(edgeGlowBottom.getColor()); } }