lets-plot-compose/src/androidMain/kotlin/org/jetbrains/letsPlot/compose/PlotPanelComposeCanvas.kt [141:217]:
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        Box(
            modifier = finalModifier
                .weight(1f) // Take the remaining vertical space
                .fillMaxWidth() // Fill available width
                .onSizeChanged { newSize ->
                    // Convert logical pixels (from Compose layout) to physical pixels (plot SVG pixels)
                    panelSize = DoubleVector(newSize.width / density, newSize.height / density)
                }
        ) {
            val errMsg = errorMessage
            if (errMsg != null) {
                // Show error message
                BasicTextField(
                    value = errMsg,
                    onValueChange = { },
                    readOnly = true,
                    textStyle = errorTextStyle,
                    modifier = errorModifier
                )
            } else {
                // Render the plot
                LaunchedEffect(panelSize, processedPlotSpec, specOverrideList, preserveAspectRatio) {

                    if (PlotConfig.isFailure(processedPlotSpec)) {
                        errorMessage = PlotConfig.getErrorMessage(processedPlotSpec)
                        return@LaunchedEffect
                    }

                    runCatching {
                        if (panelSize != DoubleVector.ZERO) {
                            val plotSpec = applySpecOverride(processedPlotSpec, specOverrideList).toMutableMap()

                            plotCanvasFigure2.update(plotSpec, fitContainerSize(preserveAspectRatio)) { messages ->
                                if (dispatchComputationMessages) {
                                    // do once
                                    dispatchComputationMessages = false
                                    computationMessagesHandler(messages)
                                }
                            }

                            if (plotFigureModel == null) {
                                plotFigureModel = PlotFigureModel(
                                    onUpdateView = { specOverride ->
                                        specOverrideList = FigureModelHelper.updateSpecOverrideList(
                                            specOverrideList = specOverrideList,
                                            newSpecOverride = specOverride
                                        )
                                    }
                                )
                            }

                            plotFigureModel!!.toolEventDispatcher = plotCanvasFigure2.toolEventDispatcher


                            val plotWidth = plotCanvasFigure2.size.x
                            val plotHeight = plotCanvasFigure2.size.y

                            // Calculate centering position in physical pixels
                            // Both panelSize and plot dimensions are in physical pixels
                            plotPosition = DoubleVector(
                                maxOf(0.0, (panelSize.x - plotWidth) / 2.0),
                                maxOf(0.0, (panelSize.y - plotHeight) / 2.0)
                            )

                            composeMouseEventMapper.setOffset(plotPosition.x.toFloat(), plotPosition.y.toFloat())

                            redrawTrigger++ // trigger repaint
                        }
                    }.getOrElse { e ->
                        errorMessage = "${e.message}"
                        return@LaunchedEffect
                    }
                }

                Canvas(
                    modifier = modifier
                        .fillMaxSize()
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lets-plot-compose/src/desktopMain/kotlin/org/jetbrains/letsPlot/compose/PlotPanelComposeCanvas.kt [144:220]:
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        Box(
            modifier = finalModifier
                .weight(1f) // Take the remaining vertical space
                .fillMaxWidth() // Fill available width
                .onSizeChanged { newSize ->
                    // Convert logical pixels (from Compose layout) to physical pixels (plot SVG pixels)
                    panelSize = DoubleVector(newSize.width / density, newSize.height / density)
                }
        ) {
            val errMsg = errorMessage
            if (errMsg != null) {
                // Show error message
                BasicTextField(
                    value = errMsg,
                    onValueChange = { },
                    readOnly = true,
                    textStyle = errorTextStyle,
                    modifier = errorModifier
                )
            } else {
                // Render the plot
                LaunchedEffect(panelSize, processedPlotSpec, specOverrideList, preserveAspectRatio) {

                    if (PlotConfig.isFailure(processedPlotSpec)) {
                        errorMessage = PlotConfig.getErrorMessage(processedPlotSpec)
                        return@LaunchedEffect
                    }

                    runCatching {
                        if (panelSize != DoubleVector.ZERO) {
                            val plotSpec = applySpecOverride(processedPlotSpec, specOverrideList).toMutableMap()

                            plotCanvasFigure2.update(plotSpec, fitContainerSize(preserveAspectRatio)) { messages ->
                                if (dispatchComputationMessages) {
                                    // do once
                                    dispatchComputationMessages = false
                                    computationMessagesHandler(messages)
                                }
                            }

                            if (plotFigureModel == null) {
                                plotFigureModel = PlotFigureModel(
                                    onUpdateView = { specOverride ->
                                        specOverrideList = FigureModelHelper.updateSpecOverrideList(
                                            specOverrideList = specOverrideList,
                                            newSpecOverride = specOverride
                                        )
                                    }
                                )
                            }

                            plotFigureModel!!.toolEventDispatcher = plotCanvasFigure2.toolEventDispatcher


                            val plotWidth = plotCanvasFigure2.size.x
                            val plotHeight = plotCanvasFigure2.size.y

                            // Calculate centering position in physical pixels
                            // Both panelSize and plot dimensions are in physical pixels
                            plotPosition = DoubleVector(
                                maxOf(0.0, (panelSize.x - plotWidth) / 2.0),
                                maxOf(0.0, (panelSize.y - plotHeight) / 2.0)
                            )

                            composeMouseEventMapper.setOffset(plotPosition.x.toFloat(), plotPosition.y.toFloat())

                            redrawTrigger++ // trigger repaint
                        }
                    }.getOrElse { e ->
                        errorMessage = "${e.message}"
                        return@LaunchedEffect
                    }
                }

                Canvas(
                    modifier = modifier
                        .fillMaxSize()
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