Fixed text decoration tests, Color will now store just a single argb info in 32bit unsigned int internally and covert to a/r/g/b or hex when necessary

This commit is contained in:
PanayotCankov
2017-02-17 13:26:11 +02:00
committed by Panayot Cankov
parent ccde2a4083
commit b2cf286948
16 changed files with 340 additions and 370 deletions

View File

@@ -6,11 +6,6 @@ const SHARP = "#";
const HEX_REGEX = /(^#[0-9A-F]{6}$)|(^#[0-9A-F]{3}$)|(^#[0-9A-F]{8}$)/i;
export class Color implements definition.Color {
private _a: number;
private _r: number;
private _g: number;
private _b: number;
private _hex: string;
private _argb: number;
private _name: string;
@@ -25,61 +20,48 @@ export class Color implements definition.Color {
this._argb = argbFromRgbOrRgba(arg);
} else if (knownColors.isKnownName(arg)) {
// The parameter is a known color name
this._hex = knownColors.getKnownColor(arg);
const hex = knownColors.getKnownColor(arg);
this._name = arg;
this._argb = this._argbFromString(this._hex);
this._argb = this._argbFromString(hex);
} else if (HEX_REGEX.test(arg)) {
// The parameter is a "#AARRGGBB" formatted string
this._hex = this._normalizeHex(arg);
this._argb = this._argbFromString(this._hex);
const hex = this._normalizeHex(arg);
this._argb = this._argbFromString(hex);
} else {
throw new Error("Invalid color: " + arg);
}
} else if (types.isNumber(arg)) {
// The parameter is a 32-bit unsigned integer where each 8 bits specify a color component
this._argb = arg;
// In case a 32-bit signed int (Android, Java has no unsigned types) was provided - convert to unsigned by applyint >>> 0
this._argb = arg >>> 0;
} else {
throw new Error("Expected 1 or 4 constructor parameters.");
}
this._parseComponents();
if (!this._hex) {
this._hex = this._buildHex();
}
} else if (arguments.length === 4) {
// TODO: Alpha may be optional
this._a = arguments[0];
this._r = arguments[1];
this._g = arguments[2];
this._b = arguments[3];
this._buildArgb();
this._hex = this._buildHex();
this._argb = (arguments[0] & 0xFF) * 0x01000000
+ (arguments[1] & 0xFF) * 0x00010000
+ (arguments[2] & 0xFF) * 0x00000100
+ (arguments[3] & 0xFF) * 0x00000001;
} else {
throw new Error("Expected 1 or 4 constructor parameters.");
}
}
get a(): number {
return this._a;
}
get r(): number {
return this._r;
}
get g(): number {
return this._g;
}
get b(): number {
return this._b;
}
get a(): number { return (this._argb / 0x01000000) & 0xFF; }
get r(): number { return (this._argb / 0x00010000) & 0xFF; }
get g(): number { return (this._argb / 0x00000100) & 0xFF; }
get b(): number { return (this._argb / 0x00000001) & 0xFF; }
get argb(): number {
return this._argb;
}
get hex(): string {
return this._hex;
if (this.a === 0xFF) {
return ("#" + this._componentToHex(this.r) + this._componentToHex(this.g) + this._componentToHex(this.b)).toUpperCase();
} else {
return ("#" + this._componentToHex(this.a) + this._componentToHex(this.r) + this._componentToHex(this.g) + this._componentToHex(this.b)).toUpperCase();
}
}
get name(): string {
@@ -95,7 +77,23 @@ export class Color implements definition.Color {
}
public _argbFromString(hex: string): number {
return undefined;
if (hex.charAt(0) === "#") {
hex = hex.substr(1);
}
if (hex.length === 3) {
hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2];
} else if (hex.length === 4) {
hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2] + hex[3] + hex[3];
}
var intVal = parseInt(hex, 16);
if (hex.length === 6) {
// add the alpha component since the provided string is RRGGBB
intVal = (intVal & 0x00FFFFFF) + 0xFF000000;
}
return intVal;
}
public equals(value: definition.Color): boolean {
@@ -132,10 +130,6 @@ export class Color implements definition.Color {
return HEX_REGEX.test(value) || isRgbOrRgba(value);
}
private _buildHex(): string {
return SHARP + this._componentToHex(this._a) + this._componentToHex(this._r) + this._componentToHex(this._g) + this._componentToHex(this._b);
}
private _componentToHex(component: number): string {
let hex = component.toString(16);
if (hex.length === 1) {
@@ -145,23 +139,6 @@ export class Color implements definition.Color {
return hex;
}
private _parseComponents() {
if (types.isUndefined(this._argb)) {
throw new Error("Missing the ARGB numeric value");
}
// Format is ARGB, so alpha takes the first 8 bits, red the next, green the next and the last 8 bits are for the blue component
this._a = (this._argb >> 24) & 255;
this._r = (this._argb >> 16) & 255;
this._g = (this._argb >> 8) & 255;
this._b = this._argb & 255;
}
private _buildArgb() {
// Format is ARGB, so alpha takes the first 8 bits, red the next, green the next and the last 8 bits are for the blue component
this._argb = (this._a << 24) | (this._r << 16) | (this._g << 8) | this._b;
}
private _normalizeHex(hexStr: string): string {
if (hexStr.charAt(0) === SHARP && hexStr.length === 4) {
// Duplicate each char after the #, so "#123" becomes "#112233"
@@ -208,6 +185,8 @@ function argbFromRgbOrRgba(value: string): number {
a = Math.round(parseFloat(parts[3].trim()) * 255);
}
// Format is ARGB, so alpha takes the first 8 bits, red the next, green the next and the last 8 bits are for the blue component
return (a << 24) | (r << 16) | (g << 8) | b;
return (a & 0xFF) * 0x01000000
+ (r & 0xFF) * 0x00010000
+ (g & 0xFF) * 0x00000100
+ (b & 0xFF) * 0x00000001;
}

View File

@@ -2,10 +2,6 @@
export class Color extends common.Color {
get android(): number {
return this.argb;
}
public _argbFromString(hex: string): number {
return android.graphics.Color.parseColor(hex);
return this.argb >> 0;
}
}

View File

@@ -1,7 +1,5 @@
import * as common from "./color-common";
var AMP = "#";
export class Color extends common.Color {
private _ios: UIColor;
@@ -12,18 +10,4 @@ export class Color extends common.Color {
}
return this._ios;
}
public _argbFromString(hex: string): number {
if (hex.charAt(0) === AMP) {
hex = hex.substr(1);
}
var intVal = parseInt(hex, 16);
if (hex.length === 6) {
// add the alpha component since the provided string is RRGGBB
intVal |= 255 << 24;
}
return intVal;
}
}

View File

@@ -6,7 +6,6 @@
import { _isSet as isSet } from "ui/core/properties";
import { FontWeight, FontStyle } from "ui/styling/font";
import * as utils from "utils/utils";
export * from "./text-base-common";
@@ -23,11 +22,15 @@ export class TextBase extends TextBaseCommon {
return '';
}
set [textProperty.native](value: string) {
if (this.formattedText) {
return;
}
const newValue = (value === undefined || value === null) ? '' : value.toString();
const nativeView = this.nativeView;
if (this.textDecorationSet || this.textTransformSet || this.letterSpacingSet) {
const style = this.style;
setTextDecorationAndTransform(newValue, nativeView, style.textDecoration, style.textTransform, style.letterSpacing, style.color);
this.setTextDecorationAndTransform(newValue, nativeView, style.textDecoration, style.textTransform, style.letterSpacing, style.color);
} else if (nativeView instanceof UIButton) {
nativeView.setTitleForState(newValue, UIControlState.Normal);
} else {
@@ -43,7 +46,7 @@ export class TextBase extends TextBaseCommon {
}
set [formattedTextProperty.native](value: FormattedString) {
const style = this.style;
setFormattedTextDecorationAndTransform(value, this.nativeView, style.textDecoration, style.textTransform, style.letterSpacing);
this.setFormattedTextDecorationAndTransform(value, this.nativeView, style.textDecoration, style.textTransform, style.letterSpacing);
textProperty.nativeValueChange(this, !value ? '' : value.toString());
this._requestLayoutOnTextChanged();
}
@@ -130,9 +133,9 @@ export class TextBase extends TextBaseCommon {
this.textDecorationSet = value !== TextDecoration.NONE;
const style = this.style;
if (this.formattedText) {
setFormattedTextDecorationAndTransform(this.formattedText, this.nativeView, value, style.textTransform, style.letterSpacing);
this.setFormattedTextDecorationAndTransform(this.formattedText, this.nativeView, value, style.textTransform, style.letterSpacing);
} else {
setTextDecorationAndTransform(this.text, this.nativeView, value, style.textTransform, style.letterSpacing, style.color);
this.setTextDecorationAndTransform(this.text, this.nativeView, value, style.textTransform, style.letterSpacing, style.color);
}
}
@@ -144,13 +147,13 @@ export class TextBase extends TextBaseCommon {
this.textTransformSet = value !== TextTransform.NONE;
const style = this.style;
if (this.formattedText) {
setFormattedTextDecorationAndTransform(this.formattedText, this.nativeView, style.textDecoration, value, style.letterSpacing);
this.setFormattedTextDecorationAndTransform(this.formattedText, this.nativeView, style.textDecoration, value, style.letterSpacing);
} else {
setTextDecorationAndTransform(this.text, this.nativeView, style.textDecoration, value, style.letterSpacing, style.color);
this.setTextDecorationAndTransform(this.text, this.nativeView, style.textDecoration, value, style.letterSpacing, style.color);
}
}
// LetterSpacing
// LetterSpacing.
get [letterSpacingProperty.native](): number {
return 0;
}
@@ -158,11 +161,178 @@ export class TextBase extends TextBaseCommon {
this.letterSpacingSet = value !== 0;
const style = this.style;
if (this.formattedText) {
setFormattedTextDecorationAndTransform(this.formattedText, this.nativeView, style.textDecoration, style.textTransform, value);
this.setFormattedTextDecorationAndTransform(this.formattedText, this.nativeView, style.textDecoration, style.textTransform, value);
} else {
setTextDecorationAndTransform(this.text, this.nativeView, style.textDecoration, style.textTransform, value, style.color);
this.setTextDecorationAndTransform(this.text, this.nativeView, style.textDecoration, style.textTransform, value, style.color);
}
}
setFormattedTextDecorationAndTransform(formattedText: FormattedString, nativeView: UITextField | UITextView | UILabel | UIButton, textDecoration: TextDecoration, textTransform: TextTransform, letterSpacing: number) {
const attrText = this.createNSMutableAttributedString(formattedText);
if (letterSpacing !== 0) {
attrText.addAttributeValueRange(NSKernAttributeName, letterSpacing * nativeView.font.pointSize, { location: 0, length: attrText.length });
}
if (nativeView instanceof UIButton) {
nativeView.setAttributedTitleForState(attrText, UIControlState.Normal);
}
else {
nativeView.attributedText = attrText;
}
}
setTextDecorationAndTransform(text: string, nativeView: UITextField | UITextView | UILabel | UIButton, textDecoration: TextDecoration, textTransform: TextTransform, letterSpacing: number, color: Color) {
let dict = new Map<string, number>();
switch (textDecoration) {
case TextDecoration.NONE:
break;
case TextDecoration.UNDERLINE:
dict.set(NSUnderlineStyleAttributeName, NSUnderlineStyle.StyleSingle);
break;
case TextDecoration.LINE_THROUGH:
dict.set(NSStrikethroughStyleAttributeName, NSUnderlineStyle.StyleSingle);
break;
case TextDecoration.UNDERLINE_LINE_THROUGH:
dict.set(NSUnderlineStyleAttributeName, NSUnderlineStyle.StyleSingle);
dict.set(NSStrikethroughStyleAttributeName, NSUnderlineStyle.StyleSingle);
break;
default:
throw new Error(`Invalid text decoration value: ${textDecoration}. Valid values are: "${TextDecoration.NONE}", "${TextDecoration.UNDERLINE}", "${TextDecoration.LINE_THROUGH}", "${TextDecoration.UNDERLINE_LINE_THROUGH}".`);
}
if (letterSpacing !== 0) {
dict.set(NSKernAttributeName, letterSpacing * nativeView.font.pointSize);
}
if (color) {
dict.set(NSForegroundColorAttributeName, color.ios);
}
let source = getTransformedText(text, textTransform);
if (dict.size > 0) {
let result = NSMutableAttributedString.alloc().initWithString(source);
result.setAttributesRange(<any>dict, { location: 0, length: source.length });
if (nativeView instanceof UIButton) {
nativeView.setAttributedTitleForState(result, UIControlState.Normal);
} else {
nativeView.attributedText = result;
}
} else {
if (nativeView instanceof UIButton) {
// Clear attributedText or title won't be affected.
nativeView.setAttributedTitleForState(null, UIControlState.Normal);
nativeView.setTitleForState(source, UIControlState.Normal);
} else {
// Clear attributedText or text won't be affected.
nativeView.attributedText = undefined;
nativeView.text = source;
}
}
}
createNSMutableAttributedString(formattedString: FormattedString): NSMutableAttributedString {
let mas = NSMutableAttributedString.alloc().init();
if (formattedString) {
for (let i = 0, spanStart = 0, length = formattedString.spans.length; i < length; i++) {
const span = formattedString.spans.getItem(i);
const text = span.text;
const textTransform = (<TextBase>formattedString.parent).textTransform;
let spanText = (text === null || text === undefined) ? '' : text.toString();
if (textTransform !== "none") {
spanText = getTransformedText(spanText, textTransform);
}
const nsAttributedString = this.createMutableStringForSpan(span, spanText);
mas.insertAttributedStringAtIndex(nsAttributedString, spanStart);
spanStart += spanText.length;
}
}
return mas;
}
createMutableStringForSpan(span: Span, text: string): NSMutableAttributedString {
const viewFont = this.nativeView.font;
let attrDict = <{ key: string, value: any }>{};
const style = span.style;
const bold = isBold(style.fontWeight);
const italic = style.fontStyle === FontStyle.ITALIC;
let fontFamily = span.fontFamily;
let fontSize = span.fontSize;
if (bold || italic || fontFamily || fontSize) {
if (!fontSize) {
fontSize = viewFont.pointSize;
}
if (!fontFamily) {
fontFamily = viewFont.fontName;
}
let font;
let fontDescriptor: UIFontDescriptor = viewFont.fontDescriptor;
if (fontFamily) {
fontDescriptor = fontDescriptor.fontDescriptorWithFamily(fontFamily);
}
let symbolicTraits;
if (bold) {
symbolicTraits |= UIFontDescriptorSymbolicTraits.TraitBold;
}
if (italic) {
symbolicTraits |= UIFontDescriptorSymbolicTraits.TraitItalic;
}
if (symbolicTraits) {
font = UIFont.fontWithDescriptorSize(fontDescriptor.fontDescriptorWithSymbolicTraits(symbolicTraits), fontSize);
} else {
font = UIFont.fontWithDescriptorSize(fontDescriptor, fontSize);
}
attrDict[NSFontAttributeName] = font;
}
const color = span.color;
if (color) {
attrDict[NSForegroundColorAttributeName] = color.ios;
}
// We don't use isSet function here because defaultValue for backgroundColor is null.
const backgroundColor = style.backgroundColor
|| (<FormattedString>span.parent).backgroundColor
|| (<TextBase>(<FormattedString>span.parent).parent).backgroundColor;
if (backgroundColor) {
attrDict[NSBackgroundColorAttributeName] = backgroundColor.ios;
}
let valueSource: typeof style;
if (isSet(textDecorationProperty, style)) {
valueSource = style;
} else if (isSet(textDecorationProperty, span.parent.style)) {
// span.parent is FormattedString
valueSource = span.parent.style;
} else if (isSet(textDecorationProperty, span.parent.parent.style)) {
// span.parent.parent is TextBase
valueSource = span.parent.parent.style;
}
if (valueSource) {
const textDecorations = valueSource.textDecoration;
const underline = textDecorations.indexOf(TextDecoration.UNDERLINE) !== -1;
if (underline) {
attrDict[NSUnderlineStyleAttributeName] = underline;
}
const strikethrough = textDecorations.indexOf(TextDecoration.LINE_THROUGH) !== -1;
if (strikethrough) {
attrDict[NSStrikethroughStyleAttributeName] = strikethrough;
}
}
return NSMutableAttributedString.alloc().initWithStringAttributes(text, <any>attrDict);
}
}
export function getTransformedText(text: string, textTransform: TextTransform): string {
@@ -184,172 +354,9 @@ function NSStringFromNSAttributedString(source: NSAttributedString | string): NS
return NSString.stringWithString(source instanceof NSAttributedString && source.string || <string>source);
}
function setFormattedTextDecorationAndTransform(formattedText: FormattedString, nativeView: UITextField | UITextView | UILabel | UIButton, textDecoration: TextDecoration, textTransform: TextTransform, letterSpacing: number) {
const attrText = createNSMutableAttributedString(formattedText);
if (letterSpacing !== 0) {
attrText.addAttributeValueRange(NSKernAttributeName, letterSpacing * nativeView.font.pointSize, { location: 0, length: attrText.length });
}
if (nativeView instanceof UIButton) {
nativeView.setAttributedTitleForState(attrText, UIControlState.Normal);
}
else {
nativeView.attributedText = attrText;
}
}
function setTextDecorationAndTransform(text: string, nativeView: UITextField | UITextView | UILabel | UIButton, textDecoration: TextDecoration, textTransform: TextTransform, letterSpacing: number, color: Color) {
let dict = new Map<string, number>();
switch (textDecoration) {
case TextDecoration.NONE:
break;
case TextDecoration.UNDERLINE:
dict.set(NSUnderlineStyleAttributeName, NSUnderlineStyle.StyleSingle);
break;
case TextDecoration.LINE_THROUGH:
dict.set(NSStrikethroughStyleAttributeName, NSUnderlineStyle.StyleSingle);
break;
case TextDecoration.UNDERLINE_LINE_THROUGH:
dict.set(NSUnderlineStyleAttributeName, NSUnderlineStyle.StyleSingle);
dict.set(NSStrikethroughStyleAttributeName, NSUnderlineStyle.StyleSingle);
break;
default:
throw new Error(`Invalid text decoration value: ${textDecoration}. Valid values are: "${TextDecoration.NONE}", "${TextDecoration.UNDERLINE}", "${TextDecoration.LINE_THROUGH}", "${TextDecoration.UNDERLINE_LINE_THROUGH}".`);
}
if (letterSpacing !== 0) {
dict.set(NSKernAttributeName, letterSpacing * nativeView.font.pointSize);
}
if (color) {
dict.set(NSForegroundColorAttributeName, color.ios);
}
let source = getTransformedText(text, textTransform);
if (dict.size > 0) {
let result = NSMutableAttributedString.alloc().initWithString(source);
result.setAttributesRange(<any>dict, { location: 0, length: source.length });
if (nativeView instanceof UIButton) {
nativeView.setAttributedTitleForState(result, UIControlState.Normal);
} else {
nativeView.attributedText = result;
}
} else {
if (nativeView instanceof UIButton) {
// Clear attributedText or title won't be affected.
nativeView.setAttributedTitleForState(null, UIControlState.Normal);
nativeView.setTitleForState(source, UIControlState.Normal);
} else {
// Clear attributedText or text won't be affected.
nativeView.attributedText = undefined;
nativeView.text = source;
}
}
}
function createNSMutableAttributedString(formattedString: FormattedString): NSMutableAttributedString {
let mas = NSMutableAttributedString.alloc().init();
if (formattedString) {
for (let i = 0, spanStart = 0, length = formattedString.spans.length; i < length; i++) {
const span = formattedString.spans.getItem(i);
const text = span.text;
const textTransform = (<TextBase>formattedString.parent).textTransform;
let spanText = (text === null || text === undefined) ? '' : text.toString();
if (textTransform) {
spanText = getTransformedText(spanText, textTransform);
}
const nsAttributedString = createMutableStringForSpan(span, spanText);
mas.insertAttributedStringAtIndex(nsAttributedString, spanStart);
spanStart += spanText.length;
}
}
return mas;
}
function isBold(fontWeight: FontWeight): boolean {
return fontWeight === FontWeight.BOLD
|| fontWeight === "700"
|| fontWeight === FontWeight.EXTRA_BOLD
|| fontWeight === FontWeight.BLACK;
}
function createMutableStringForSpan(span: Span, text: string): NSMutableAttributedString {
let attrDict = <{ key: string, value: any }>{};
const style = span.style;
const bold = isBold(style.fontWeight);
const italic = style.fontStyle === FontStyle.ITALIC;
let fontFamily = span.fontFamily;
let fontSize = span.fontSize;
if (bold || italic || fontFamily || fontSize) {
let font;
if (fontFamily) {
if (!fontSize) {
fontSize = utils.ios.getter(UIFont, UIFont.systemFontSize);
}
font = UIFont.fontWithNameSize(fontFamily, fontSize);
}
if (!font) {
const fontDescriptor = UIFontDescriptor.new();
let symbolicTraits;
if (bold) {
symbolicTraits |= UIFontDescriptorSymbolicTraits.TraitBold;
}
if (italic) {
symbolicTraits |= UIFontDescriptorSymbolicTraits.TraitItalic;
}
if (symbolicTraits) {
font = UIFont.fontWithDescriptorSize(fontDescriptor.fontDescriptorWithSymbolicTraits(symbolicTraits), fontSize);
} else {
font = UIFont.fontWithDescriptorSize(fontDescriptor, fontSize);
}
}
attrDict[NSFontAttributeName] = font;
}
const color = span.color;
if (color) {
attrDict[NSForegroundColorAttributeName] = color.ios;
}
// We don't use isSet function here because defaultValue for backgroundColor is null.
const backgroundColor = style.backgroundColor
|| (<FormattedString>span.parent).backgroundColor
|| (<TextBase>(<FormattedString>span.parent).parent).backgroundColor;
if (backgroundColor) {
attrDict[NSBackgroundColorAttributeName] = backgroundColor.ios;
}
let valueSource: typeof style;
if (isSet(textDecorationProperty, style)) {
valueSource = style;
} else if (isSet(textDecorationProperty, span.parent.style)) {
// span.parent is FormattedString
valueSource = span.parent.style;
} else if (isSet(textDecorationProperty, span.parent.parent.style)) {
// span.parent.parent is TextBase
valueSource = span.parent.parent.style;
}
if (valueSource) {
const textDecorations = valueSource.textDecoration;
const underline = textDecorations.indexOf(TextDecoration.UNDERLINE) !== -1;
if (underline) {
attrDict[NSUnderlineStyleAttributeName] = underline;
}
const strikethrough = textDecorations.indexOf(TextDecoration.LINE_THROUGH) !== -1;
if (strikethrough) {
attrDict[NSStrikethroughStyleAttributeName] = strikethrough;
}
}
return NSMutableAttributedString.alloc().initWithStringAttributes(text, <any>attrDict);
}