166     let endY = this.points!.endY!;
167     let depth = Math.ceil((endY - startY) / 16);
177         (startY < textEndY && endY >= textEndY) ||
179         (endY > textLastRowY && endY < textEndY)
202   forwardSelected(startX: number, startY: number, endX: number, endY: number): void {
204     let depth = Math.ceil((endY - startY) / 16);
210       this.shellCanvasCtx!.fillRect(startX, startY, endX - startX, endY - startY);
214       endPointY = endY;
229             endY - (startY + (index - 1) * 16)
232           endPointY = endY;
244     this.points = { startX: startPointX, startY: startPointY, endX: endPointX, endY: endPointY };
266   reverseSelected(startX: number, startY: number, endX: number, endY: number): void {
268     let depth = Math.ceil((startY - endY) / 16);
274       this.shellCanvasCtx!.fillRect(endX, endY, startX - endX, startY - endY);
276       startPointY = endY;
289 …this.shellCanvasCtx!.fillRect(endX, endY, this.shellCanvas!.width - endX, startY - (index - 1) * 1…
291           startPointY = endY;
298     this.points = { startX: startPointX, startY: startPointY, endX: endPointX, endY: endPointY };
585     let endY: number;  variable
604       endY = event.offsetY;
608       if (endY > startY) {
610         that.forwardSelected(startX, startY, endX, endY);
613         that.reverseSelected(startX, startY, endX, endY);
647   endY: number | undefined;  property in Point