import { ElementRef, OnInit } from '@angular/core';
import { IonPopover } from '@ionic/angular';
import { CustomSignalInput } from '../inputs/inputs';
import { GenericService } from '../../core/services/generics.service';
import * as i0 from "@angular/core";
type RGB = {
    r: number;
    g: number;
    b: number;
};
type HSL = {
    h: number;
    l: number;
    s: number;
};
export declare class InputColorComponent extends CustomSignalInput<string> implements OnInit {
    private genericService;
    constructor(genericService: GenericService);
    canvas: ElementRef<HTMLCanvasElement>;
    hueSlider: ElementRef<HTMLCanvasElement>;
    alphaSlider: ElementRef<HTMLCanvasElement>;
    writeValue(value: string): void;
    get model(): string;
    set model(value: string);
    setModel(value: string, redraw?: boolean): void;
    Popover: IonPopover;
    rendering: boolean;
    Present($event: any): Promise<void>;
    private canvasCtx;
    private canvasWidth;
    private canvasHeight;
    private hueCtx;
    private hueSliderWidth;
    private hueSliderHeight;
    private alphaCtx;
    private alphaSliderWidth;
    private alphaSliderHeight;
    private isDragging;
    private isHueDragging;
    private isAlphaDragging;
    rgbColor: RGB;
    hslColor: HSL;
    alpha: number;
    indicatorX: number;
    indicatorY: number;
    initCanvas(): void;
    initHueSlider(): void;
    initAlphaSlider(): void;
    drawColorGradient(): void;
    drawHueSlider(): void;
    drawAlphaSlider(): void;
    startDrag(e: MouseEvent): void;
    drag(e: MouseEvent): void;
    endDrag(): void;
    handleTouch(e: TouchEvent): void;
    startHueDrag(e: MouseEvent): void;
    hueDrag(e: MouseEvent): void;
    endHueDrag(): void;
    startAlphaDrag(e: MouseEvent): void;
    alphaDrag(e: MouseEvent): void;
    endAlphaDrag(): void;
    handleAlphaTouch(e: TouchEvent): void;
    handleHueTouch(e: TouchEvent): void;
    handleHueSelection(x: number): void;
    handleAlphaSelection(x: number): void;
    handleColorSelection(x: number, y: number): void;
    updateSelectedColor(saturation?: number | null, lightness?: number | null, emitChanges?: boolean): void;
    updateIndicatorPositions(): void;
    hslToRgb(hsl: HSL): RGB;
    setColorFromHex(hexColor: string, updateCanvas?: boolean, emitChanges?: boolean): void;
    updateIndicatorPosition(): void;
    rgbToHsl(rgb: RGB): HSL;
    rgbToHex(rgb: RGB, a?: number): string;
    getRgbaString(): string;
    getHslaString(): string;
    CopyToClipboard(): Promise<void>;
    static ɵfac: i0.ɵɵFactoryDeclaration<InputColorComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<InputColorComponent, "input-color", never, {}, {}, never, never, false, never>;
}
export {};