fun getTotalRows()

in plot-api/src/commonMain/kotlin/org/jetbrains/letsPlot/util/pngj/Deinterlacer.kt [110:120]

• 11 lines of code
• 7 McCabe index (conditional complexity)

    fun getTotalRows(): Int {
        if (totalRows == 0) { // lazy compute
            for (p in 1..7) {
                val pp = paramsForPass(p) // dx dy ox oy
                val rows = if (imi.rows > pp[3]) (imi.rows + pp[1] - 1 - pp[3]) / pp[1] else 0
                val cols = if (imi.cols > pp[2]) (imi.cols + pp[0] - 1 - pp[2]) / pp[0] else 0
                if (rows > 0 && cols > 0) totalRows += rows
            }
        }
        return totalRows
    }// without filter byte// dx dy ox oy// including the filter byte