Step 2

BreakOutMethodObject2.ts

// Step 2

export class Renderer {
    private readonly brush: GDIBrush;
    private readonly renderingRoots: Point[];
    private readonly colors: ColorMatrix;
    private readonly selection: Point[];

    constructor(
        brush: GDIBrush,
        renderingRoots: Point[],
        colors: ColorMatrix,
        selection: Point[]
    ) {
        this.brush = brush;
        this.renderingRoots = renderingRoots;
        this.colors = colors;
        this.selection = selection;
    }

    // !!! -> we copied the code of the original method in here and fixed all the compilation problems
    public draw(): void {
        // some more code in the method
        for (const point of this.renderingRoots) {
            // a lot more code in the loop

            //!! we had to make drawPoint public and add a property for GDIBrush's colorId field
            this.brush.drawPoint(point.x, point.y, this.colors.getColor(this.brush.colorId));
        }

        // a lot more code in the method
    }
}