export interface IScreenInfo { screen_width: number; screen_height: number; unit_width: number; unit_height: number; screen_rows: number; screen_cols: number; desktop_col: number; desktop_row: number; desktop_width: number; desktop_height: number; } export class SpecialVideoHelper { private static kScreenWidth = 3840; private static kScreenHeight = 2160; public static getScreenInfo( wall_cols: number, wall_rows: number ): IScreenInfo { const desktp_row = Math.ceil(Math.sqrt(wall_rows * wall_cols)); const desktop_col = desktp_row; const unit_width = SpecialVideoHelper.kScreenWidth / desktop_col; const unit_height = SpecialVideoHelper.kScreenHeight / desktp_row; const screen_width = wall_cols * unit_width; const screen_height = wall_rows * unit_height; return { screen_width, screen_height, unit_width, unit_height, screen_rows: wall_rows, screen_cols: wall_cols, desktop_col, desktop_row: desktop_col, desktop_width: SpecialVideoHelper.kScreenWidth, desktop_height: SpecialVideoHelper.kScreenHeight, }; } }