public void refresh() {
int alpha = Color.alpha(mButtonColor);
float[] hsv = new float[3];
Color.colorToHSV(mButtonColor, hsv);
hsv[2] *= 0.8f; // value component
// if shadow color was not defined, generate shadow color = 80% brightness
if (!isShadowColorDefined) {
mShadowColor = Color.HSVToColor(alpha, hsv);
}
// Create pressed background and unpressed background drawables
if (this.isEnabled()) {
if (isShadowEnabled) {
pressedDrawable = createDrawable(mCornerRadius, Color.TRANSPARENT, mButtonColor);
unpressedDrawable = createDrawable(mCornerRadius, mButtonColor, mShadowColor);
} else {
mShadowHeight = 0;
pressedDrawable = createDrawable(mCornerRadius, mShadowColor, Color.TRANSPARENT);
unpressedDrawable = createDrawable(mCornerRadius, mButtonColor, Color.TRANSPARENT);
}
} else {
Color.colorToHSV(mButtonColor, hsv);
hsv[1] *= 0.25f; // saturation component
int disabledColor = mShadowColor = Color.HSVToColor(alpha, hsv);
// Disabled button does not have shadow
pressedDrawable = createDrawable(mCornerRadius, disabledColor, Color.TRANSPARENT);
unpressedDrawable = createDrawable(mCornerRadius, disabledColor, Color.TRANSPARENT);
}
updateBackground(unpressedDrawable);
// Set padding
this.setPadding(
mPaddingLeft, mPaddingTop + mShadowHeight, mPaddingRight, mPaddingBottom + mShadowHeight);
}
private int darkenColor(int color) {
float[] hsv = new float[3];
Color.colorToHSV(color, hsv);
hsv[2] = hsv[2] * 0.75f;
color = Color.HSVToColor(hsv);
return color;
}
/** Given a particular color, adjusts its value by a multiplier */
private static int getPressedColor(int color) {
float[] hsv = new float[3];
Color.colorToHSV(color, hsv);
hsv[2] = hsv[2] * PRESSED_STATE_MULTIPLIER;
return Color.HSVToColor(hsv);
}
/**
* Draw the old and new swatches.
*
* @param canvas
*/
private void drawSwatches(Canvas canvas) {
float[] hsv = new float[3];
mText.setTextSize(16);
// Draw the original swatch
canvas.drawRect(mOldSwatchRect, mSwatchOld);
Color.colorToHSV(mOriginalColor, hsv);
// if (UberColorPickerDialog.isGray(mColor)) //Don't need this right here, but imp't to note
// hsv[1] = 0;
if (hsv[2] > .5) mText.setColor(Color.BLACK);
canvas.drawText(
"Revert",
mOldSwatchRect.left + SWATCH_WIDTH / 2 - mText.measureText("Revert") / 2,
mOldSwatchRect.top + 16,
mText);
mText.setColor(Color.WHITE);
// Draw the new swatch
canvas.drawRect(mNewSwatchRect, mSwatchNew);
if (mHSV[2] > .5) mText.setColor(Color.BLACK);
canvas.drawText(
"Accept",
mNewSwatchRect.left + SWATCH_WIDTH / 2 - mText.measureText("Accept") / 2,
mNewSwatchRect.top + 16,
mText);
mText.setColor(Color.WHITE);
mText.setTextSize(TEXT_SIZE);
}
public static int darker(int color) {
float[] hsv = new float[3];
Color.colorToHSV(color, hsv);
hsv[2] = 1.0f - 0.8f * (1.0f - hsv[2]);
color = Color.HSVToColor(hsv);
return color;
}
/**
* Set the bar color. <br>
* <br>
* Its discouraged to use this method.
*
* @param color
*/
public void setColor(int color) {
int x1, y1;
if (mOrientation == ORIENTATION_HORIZONTAL) {
x1 = (mBarLength + mBarPointerHaloRadius);
y1 = mBarThickness;
} else {
x1 = mBarThickness;
y1 = (mBarLength + mBarPointerHaloRadius);
}
Color.colorToHSV(color, mHSVColor);
shader =
new LinearGradient(
mBarPointerHaloRadius,
0,
x1,
y1,
new int[] {Color.HSVToColor(0x00, mHSVColor), color},
null,
Shader.TileMode.CLAMP);
mBarPaint.setShader(shader);
calculateColor(mBarPointerPosition);
mBarPointerPaint.setColor(mColor);
if (mPicker != null) {
mPicker.setNewCenterColor(mColor);
}
invalidate();
}
public static Bitmap applySaturationFilter(Bitmap source, int level) {
// get image size
int width = source.getWidth();
int height = source.getHeight();
int[] pixels = new int[width * height];
float[] HSV = new float[3];
// get pixel array from source
source.getPixels(pixels, 0, width, 0, 0, width, height);
int index = 0;
// iteration through pixels
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
// get current index in 2D-matrix
index = y * width + x;
// convert to HSV
Color.colorToHSV(pixels[index], HSV);
// increase Saturation level
HSV[1] *= level;
HSV[1] = (float) Math.max(0.0, Math.min(HSV[1], 1.0));
// take color back
pixels[index] |= Color.HSVToColor(HSV);
}
}
// output bitmap
Bitmap bmOut = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bmOut.setPixels(pixels, 0, width, 0, 0, width, height);
return bmOut;
}
/**
* Set the color to be highlighted by the pointer. </br> </br> If the instances {@code SVBar} and
* the {@code OpacityBar} aren't null the color will also be set to them
*
* @param color The RGB value of the color to highlight. If this is not a color displayed on the
* color wheel a very simple algorithm is used to map it to the color wheel. The resulting
* color often won't look close to the original color. This is especially true for shades of
* grey. You have been warned!
*/
public void setColor(int color) {
mAngle = colorToAngle(color);
mPointerColor.setColor(calculateColor(mAngle));
// check of the instance isn't null
if (mOpacityBar != null) {
// set the value of the opacity
mOpacityBar.setColor(mColor);
mOpacityBar.setOpacity(Color.alpha(color));
}
// check if the instance isn't null
if (mSVbar != null) {
// the array mHSV will be filled with the HSV values of the color.
Color.colorToHSV(color, mHSV);
mSVbar.setColor(mColor);
// because of the design of the Saturation/Value bar,
// we can only use Saturation or Value every time.
// Here will be checked which we shall use.
if (mHSV[1] < mHSV[2]) {
mSVbar.setSaturation(mHSV[1]);
} else { // if (mHSV[1] > mHSV[2]) {
mSVbar.setValue(mHSV[2]);
}
}
invalidate();
}
@ColorInt
public static int shiftColor(@ColorInt int color, @FloatRange(from = 0.0f, to = 2.0f) float by) {
if (by == 1f) return color;
float[] hsv = new float[3];
Color.colorToHSV(color, hsv);
hsv[2] *= by; // value component
return Color.HSVToColor(hsv);
}
private int adjustColorBrightness(int argb, float factor) {
float[] hsv = new float[3];
Color.colorToHSV(argb, hsv);
hsv[2] = Math.min(hsv[2] * factor, 1f);
return Color.HSVToColor(Color.alpha(argb), hsv);
}
public void setColor(final int color) {
final float[] hsv = new float[3];
Color.colorToHSV(color, hsv);
this.hue = hsv[0];
this.sat = hsv[1];
this.val = hsv[2];
}
@ColorInt
private static int lightenColor(@ColorInt int color) {
float[] hsv = new float[3];
Color.colorToHSV(color, hsv);
hsv[2] /= 0.7f;
color = Color.HSVToColor(hsv);
return color;
}
public HSBColorPickerView(Context context, AttributeSet attrs, int defStyle, int startingColor) {
super(context, attrs, defStyle);
mPreviousColor = new float[3];
mNewColor = new float[3];
Color.colorToHSV(startingColor, mPreviousColor);
System.arraycopy(mPreviousColor, 0, mNewColor, 0, mPreviousColor.length);
mBackground =
BitmapFactory.decodeResource(getResources(), R.drawable.color_picker_wheel_background);
mWheel = BitmapFactory.decodeResource(getResources(), R.drawable.color_wheel);
}
@SuppressLint("NewApi")
private void changeStatusBarColor(int color) {
float[] hsv = new float[3];
// int color =
// Color.parseColor(mCursor.getString(mCursor.getColumnIndex(CategoriesTable.COL_CATEGORY_COLOR)));
Color.colorToHSV(color, hsv);
hsv[2] *= 0.8f; // value component
color = Color.HSVToColor(hsv);
Window mWindow = getWindow();
if (Build.VERSION.SDK_INT >= 21) mWindow.setStatusBarColor(color);
}
public void setColor(int color, boolean keepValue) {
float oldValue = colorHsv[2];
Color.colorToHSV(color, colorHsv);
if (keepValue) {
colorHsv[2] = oldValue;
}
if (listener != null) {
listener.colorSelected(Color.HSVToColor(colorHsv));
}
createBitmap();
}
private int getNavbarTheme() {
boolean isDarkBg = true;
TypedArray attributes =
getActivity()
.obtainStyledAttributes(
new int[] {R.attr.setup_wizard_navbar_theme, 16842800, 16842801});
int theme = attributes.getResourceId(0, 0);
if (theme == 0) {
float[] foregroundHsv = new float[3];
float[] backgroundHsv = new float[3];
Color.colorToHSV(attributes.getColor(1, 0), foregroundHsv);
Color.colorToHSV(attributes.getColor(2, 0), backgroundHsv);
if (foregroundHsv[2] <= backgroundHsv[2]) {
isDarkBg = false;
}
theme = isDarkBg ? R.style.SetupWizardNavbarThemeDark : R.style.SetupWizardNavbarThemeLight;
}
attributes.recycle();
return theme;
}
public static MaterialColor getModifiedColor(int color, Shade shade) {
int modified = color;
if (shade != Shade.Shade500) {
float[] hsv = new float[3];
Color.colorToHSV(color, hsv);
hsv[0] = getModifiedHue(hsv[0], shade);
hsv[1] = getModifiedSaturation(hsv[1], shade);
hsv[2] = getModifiedValue(hsv[2], shade);
modified = Color.HSVToColor(Color.alpha(color), hsv);
}
return new SgnColor(modified);
}
public void setInitialColor(int color) {
float[] hsv = new float[3];
Color.colorToHSV(color, hsv);
this.alpha = Utils.getAlphaPercent(color);
this.lightness = hsv[2];
this.initialColors[this.colorSelection] = color;
this.initialColor = color;
setColorPreviewColor(color);
setColorToSliders(color);
if (this.colorEdit != null) setColorText(color, true);
if (renderer.getColorCircleList() != null) currentColorCircle = findNearestByColor(color);
}
private static int getNavbarTheme(Context context) {
// Normally we can automatically guess the theme by comparing the foreground color against
// the background color. But we also allow specifying explicitly using suwNavBarTheme.
TypedArray attributes =
context.obtainStyledAttributes(
new int[] {
R.attr.suwNavBarTheme, android.R.attr.colorForeground, android.R.attr.colorBackground
});
int theme = attributes.getResourceId(0, 0);
if (theme == 0) {
// Compare the value of the foreground against the background color to see if current
// theme is light-on-dark or dark-on-light.
float[] foregroundHsv = new float[3];
float[] backgroundHsv = new float[3];
Color.colorToHSV(attributes.getColor(1, 0), foregroundHsv);
Color.colorToHSV(attributes.getColor(2, 0), backgroundHsv);
boolean isDarkBg = foregroundHsv[2] > backgroundHsv[2];
theme = isDarkBg ? R.style.SuwNavBarThemeDark : R.style.SuwNavBarThemeLight;
}
attributes.recycle();
return theme;
}
private int getRandomColor() {
float[] hsv = new float[3];
int color =
Color.argb(
colorMaxValue,
random.nextInt(colorMaxValue),
random.nextInt(colorMaxValue),
random.nextInt(colorMaxValue));
Color.colorToHSV(color, hsv);
hsv[2] *= colorAlpha;
color = Color.HSVToColor(hsv);
return color;
}
ColorPickerView(Context c, OnColorChangedListener l, int color, int defaultColor) {
super(c);
mListener = l;
mDefaultColor = defaultColor;
// Get the current hue from the current color and update the main color field
float[] hsv = new float[3];
Color.colorToHSV(color, hsv);
mCurrentHue = hsv[0];
updateMainColors();
mCurrentColor = color;
// Initialize the colors of the hue slider bar
int index = 0;
for (float i = 0; i < 256; i += 256 / 42) // Red (#f00) to pink (#f0f)
{
mHueBarColors[index] = Color.rgb(255, 0, (int) i);
index++;
}
for (float i = 0; i < 256; i += 256 / 42) // Pink (#f0f) to blue (#00f)
{
mHueBarColors[index] = Color.rgb(255 - (int) i, 0, 255);
index++;
}
for (float i = 0; i < 256; i += 256 / 42) // Blue (#00f) to light blue (#0ff)
{
mHueBarColors[index] = Color.rgb(0, (int) i, 255);
index++;
}
for (float i = 0; i < 256; i += 256 / 42) // Light blue (#0ff) to green (#0f0)
{
mHueBarColors[index] = Color.rgb(0, 255, 255 - (int) i);
index++;
}
for (float i = 0; i < 256; i += 256 / 42) // Green (#0f0) to yellow (#ff0)
{
mHueBarColors[index] = Color.rgb((int) i, 255, 0);
index++;
}
for (float i = 0; i < 256; i += 256 / 42) // Yellow (#ff0) to red (#f00)
{
mHueBarColors[index] = Color.rgb(255, 255 - (int) i, 0);
index++;
}
// Initializes the Paint that will draw the View
mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mPaint.setTextAlign(Paint.Align.CENTER);
mPaint.setTextSize(12);
}
// Thanks to GermainZ for the suggestion
// http://forum.xda-developers.com/showpost.php?p=46102053&postcount=153
public static int getIconColorForColor(
int color, int defaultNormal, int defaultInverted, float hsvMaxValue) {
/* Take away things people complain about :P */
if (color == mPlayMusicOrangeColor) return defaultNormal;
float[] hsv = new float[3];
Color.colorToHSV(color, hsv);
float value = hsv[2];
if (value > hsvMaxValue) {
return defaultInverted;
} else {
return defaultNormal;
}
}
@Override
protected Parcelable onSaveInstanceState() {
Parcelable superState = super.onSaveInstanceState();
Bundle state = new Bundle();
state.putParcelable(STATE_PARENT, superState);
state.putFloatArray(STATE_COLOR, mHSVColor);
float[] hsvColor = new float[3];
Color.colorToHSV(mColor, hsvColor);
state.putFloat(STATE_SATURATION, hsvColor[1]);
return state;
}
@SuppressWarnings({"ConstantConditions", "deprecation"})
public static void applyTheme(Dialog dialog, Context context, SharedPreferences prefs) {
int colorPrimary =
prefs.getInt("theme_colorPrimary", context.getResources().getColor(R.color.colorPrimary));
float[] hsv = new float[3];
Color.colorToHSV(colorPrimary, hsv);
hsv[2] *= 0.8f;
int colorPrimaryDark = Color.HSVToColor(hsv);
dialog.getWindow().setStatusBarColor(colorPrimaryDark);
try {
dialog.getActionBar().setBackgroundDrawable(new ColorDrawable(colorPrimary));
} catch (NullPointerException ignore) {
}
}
@Override
public void colorSelected(int color) {
ColorDrawable drawable = new ColorDrawable(color);
colorView.setImageDrawable(drawable);
float[] hsv = new float[3];
Color.colorToHSV(color, hsv);
StringBuffer buf = new StringBuffer();
buf.append(hsv[0]);
buf.append(',');
buf.append(hsv[1] * 100);
buf.append(',');
buf.append(hsv[2] * 100);
sendCommand(buf.toString());
}
@SuppressWarnings({"ConstantConditions", "deprecation"})
public static void applyTheme(Activity activity, SharedPreferences prefs) {
if (prefs.getBoolean("app_dark_theme", false)) activity.setTheme(R.style.DarkTheme);
int colorPrimary =
prefs.getInt("theme_colorPrimary", activity.getResources().getColor(R.color.colorPrimary));
float[] hsv = new float[3];
Color.colorToHSV(colorPrimary, hsv);
hsv[2] *= 0.8f;
int colorPrimaryDark = Color.HSVToColor(hsv);
activity.getWindow().setStatusBarColor(colorPrimaryDark);
activity.getActionBar().setBackgroundDrawable(new ColorDrawable(colorPrimary));
if (prefs.getBoolean("force_english", false)) {
Configuration config = activity.getResources().getConfiguration();
config.locale = Locale.ENGLISH;
activity.getResources().updateConfiguration(config, null);
}
}
@Override
protected Parcelable onSaveInstanceState() {
Parcelable superState = super.onSaveInstanceState();
Bundle state = new Bundle();
state.putParcelable(STATE_PARENT, superState);
state.putFloatArray(STATE_COLOR, mHSVColor);
float[] hsvColor = new float[3];
Color.colorToHSV(mColor, hsvColor);
if (hsvColor[1] < hsvColor[2]) {
state.putFloat(STATE_SATURATION, hsvColor[1]);
} else {
state.putFloat(STATE_VALUE, hsvColor[2]);
}
state.putBoolean(STATE_ORIENTATION, ORIENTATION_HORIZONTAL);
return state;
}
@SuppressWarnings("deprecation")
@SuppressLint("NewApi")
public void refresh() {
float[] hsv = new float[3];
Color.colorToHSV(mButtonColor, hsv); // 将ARGB转化为HSV（H色调，S饱和度，V亮度）
hsv[2] *= 0.8f; // Value component（亮度改为原来的80%）
// if shadow color was not defined, generate shadow color = 80%
// brightness
if (!isShadowColorDefined) {
mShadowColor = Color.HSVToColor(hsv); // 将HSV转化为ARGB值
}
StateListDrawable stateListDrawable = new StateListDrawable();
if (isShadowEnabled) {
// Shadow is enabled
stateListDrawable.addState(
new int[] {-android.R.attr.state_pressed},
createDrawable(mCornerRadius, mButtonColor, mShadowColor));
stateListDrawable.addState(
new int[] {android.R.attr.state_pressed},
createDrawable(mCornerRadius, Color.TRANSPARENT, mButtonColor));
} else {
// Shadow is disabled
mShadowHeight = 0;
stateListDrawable.addState(
new int[] {-android.R.attr.state_pressed},
createDrawable(mCornerRadius, mButtonColor, Color.TRANSPARENT));
stateListDrawable.addState(
new int[] {android.R.attr.state_pressed},
createDrawable(mCornerRadius, mShadowColor, Color.TRANSPARENT));
}
// Set button background
if (Build.VERSION.SDK_INT >= 16) {
this.setBackground(stateListDrawable);
} else {
this.setBackgroundDrawable(stateListDrawable);
}
// Set padding
this.setPadding(
mPaddingLeft, mPaddingTop + mShadowHeight, mPaddingRight, mPaddingBottom + mShadowHeight);
}
public void refresh() {
float[] hsv = new float[3];
Color.colorToHSV(mButtonColor, hsv);
hsv[2] *= 0.8f; // value component
// if shadow color was not defined, generate shadow color = 80% brightness
if (!isShadowColorDefined) {
mShadowColor = Color.HSVToColor(hsv);
}
StateListDrawable stateListDrawable = new StateListDrawable();
if (isShadowEnabled) {
// Shadow is enabled
stateListDrawable.addState(
new int[] {-android.R.attr.state_pressed},
createDrawable(mCornerRadius, mButtonColor, mShadowColor));
stateListDrawable.addState(
new int[] {android.R.attr.state_pressed},
createDrawable(mCornerRadius, Color.TRANSPARENT, mButtonColor));
} else {
// Shadow is disabled
mShadowHeight = 0;
stateListDrawable.addState(
new int[] {-android.R.attr.state_pressed},
createDrawable(mCornerRadius, mButtonColor, Color.TRANSPARENT));
stateListDrawable.addState(
new int[] {android.R.attr.state_pressed},
createDrawable(mCornerRadius, mShadowColor, Color.TRANSPARENT));
}
// Set button background
if (Build.VERSION.SDK_INT >= 16) {
this.setBackground(stateListDrawable);
} else {
this.setBackgroundDrawable(stateListDrawable);
}
// Set padding
this.setPadding(
mPaddingLeft, mPaddingTop + mShadowHeight, mPaddingRight, mPaddingBottom + mShadowHeight);
}
/**
* Effect a trackball change to a 2D palette.
*
* @param x -1: negative x change, 0: no x change, +1: positive x change.
* @param y -1: negative y change, 0, no y change, +1: positive y change.
* @param jump the amount by which to change.
*/
private void changeHSPalette(float x, float y, int jump) {
int x2 = 0, y2 = 0;
if (x < 0) x2 = -jump;
else if (x > 0) x2 = jump;
if (y < 0) y2 = -jump;
else if (y > 0) y2 = jump;
mCoord[0] += x2;
mCoord[1] += y2;
if (mCoord[0] < -PALETTE_RADIUS) mCoord[0] = -PALETTE_RADIUS;
else if (mCoord[0] > PALETTE_RADIUS) mCoord[0] = PALETTE_RADIUS;
if (mCoord[1] < -PALETTE_RADIUS) mCoord[1] = -PALETTE_RADIUS;
else if (mCoord[1] > PALETTE_RADIUS) mCoord[1] = PALETTE_RADIUS;
float radius = (float) java.lang.Math.sqrt(mCoord[0] * mCoord[0] + mCoord[1] * mCoord[1]);
if (radius > PALETTE_RADIUS) radius = PALETTE_RADIUS;
float angle = (float) java.lang.Math.atan2(mCoord[1], mCoord[0]);
// need to turn angle [-PI ... PI] into unit [0....1]
float unit = angle / (2 * PI);
if (unit < 0) {
unit += 1;
}
mCoord[0] = round(Math.cos(angle) * radius);
mCoord[1] = round(Math.sin(angle) * radius);
int c = interpColor(mSpectrumColorsRev, unit);
float[] hsv = new float[3];
Color.colorToHSV(c, hsv);
mHSV[0] = hsv[0];
mHSV[1] = radius / PALETTE_RADIUS;
updateAllFromHSV();
mSwatchNew.setColor(Color.HSVToColor(mHSV));
setVerValSlider();
invalidate();
}