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release 1.12.1 fix: right padding and honor theme/y2-axis space (#58)
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.github/workflows/test.yml

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- name: Setup Flutter
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uses: subosito/flutter-action@v2
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with:
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flutter-version: '3.35.5'
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flutter-version: '3.35.7'
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channel: 'stable'
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cache: true
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CHANGELOG.md

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## 1.12.1 - 2025-11-02
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#### 🐛 Bug Fixes
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**Right Padding & Secondary Y-Axis Alignment:**
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- Removed excessive hardcoded 80px right padding applied unconditionally for secondary y-axis
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- Widget layout now uses conservative 80px estimate only when y2Scale exists
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- Painter performs precise y2-axis space calculation at paint time with full scale information
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- Eliminates divergence between layout calculation and rendering, ensuring hit-testing alignment
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- Honors theme padding settings: `rightPadding = theme.padding.right + y2AxisSpace`
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- Added null check for `y2Scale` to prevent unnecessary padding when secondary axis is absent
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**Impact:**
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- Charts without secondary y-axis now use only theme padding (no waste)
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- Charts with secondary y-axis get proper space allocation based on actual label widths
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- Consistent plot area between widget layout and painter rendering phases
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- Correct hit-testing alignment for interactions (hover, click, pan)
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#### 🧪 Quality Assurance
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- Zero breaking changes - fully backward compatible
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- Maintains consistent plot area between layout and render phases
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- Proper hit-testing alignment for secondary y-axis interactions
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- Fixes excessive padding issues on charts without secondary y-axis
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---
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## 1.12.0 - 2025-11-01
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#### 🏔️ Boundary Clamping for Pan Operations

README.md

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## 🧪 Development Status
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**Current Version: 1.12.0** - Production ready with boundary clamping for pan operations, programmatic pan controller, interactive floating legends, and intelligent axis bounds
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**Current Version: 1.12.1** - Production ready with boundary clamping for pan operations, programmatic pan controller, interactive floating legends, and intelligent axis bounds
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We're shipping progressively! Each release adds new visualization types while maintaining backward compatibility.
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doc/installation.mdx

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| Version | Release Date | Key Features |
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|---------|-------------|--------------|
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| 1.12.1 | November 2025 | Fixed right padding and secondary Y-axis alignment |
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| 1.12.0 | November 2025 | Boundary clamping for pan operations |
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| 1.11.1 | October 2025 | Fixed Y-axis bounds during X-axis panning |
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| 1.11.0 | October 2025 | Programmatic pan controller with panTo() and panReset() methods |

doc/updates.mdx

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Stay informed about the latest features, improvements, and fixes in Cristalyse.
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<Update label="November 2, 2025" description="v1.12.1">
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### 🐛 Right Padding & Secondary Y-Axis Fixes
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**Fixed excessive right padding and layout misalignment**
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- Removed hardcoded 80px padding applied unconditionally for secondary y-axis
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- Charts without secondary y-axis now use only theme padding (no waste)
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- Widget layout uses conservative estimate only when y2Scale exists
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- Painter performs precise calculation at paint time with full scale information
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- Eliminates divergence between layout and rendering phases
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- Added proper null checking for `y2Scale` to prevent unnecessary padding
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**Benefits:**
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- Better space utilization on single-axis charts
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- Proper secondary y-axis spacing based on actual label widths
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- Ensures hit-testing alignment for interactions (hover, click, pan)
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- Consistent plot area between layout and render phases
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**Quality Assurance:**
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- Zero breaking changes - fully backward compatible
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- Improved interaction reliability with secondary y-axis charts
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- Maintains consistent dimensions during pan/zoom operations
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</Update>
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<Update label="November 1, 2025" description="v1.12.0">
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### 🏔️ Boundary Clamping for Pan Operations
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example/pubspec.lock

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path: ".."
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relative: true
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source: path
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version: "1.11.1"
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version: "1.12.1"
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crypto:
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dependency: transitive
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description:

lib/src/widgets/animated_chart_painter.dart

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? _labelToTitleSpacing + titleFontSize // gap + title height
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: 0.0)
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: 0.0;
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final rightPadding =
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(hasSecondaryY ? 80.0 : theme.padding.right) + y2AxisSpace;
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final rightPadding = theme.padding.right + y2AxisSpace;
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// Space for X-axis labels + optional title (not rotated, height is vertical)
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final xAxisSpace = this.xScale != null

lib/src/widgets/animated_chart_widget.dart

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);
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}
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final hasSecondaryY = hasSecondaryYAxis(
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y2Column: widget.y2Column, geometries: widget.geometries);
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final rightPadding = hasSecondaryY ? 80.0 : widget.theme.padding.right;
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final y2AxisSpace = _estimateY2AxisSpace(widget);
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final rightPadding = widget.theme.padding.right + y2AxisSpace;
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final plotArea = Rect.fromLTWH(
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widget.theme.padding.left,
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);
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}
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final hasSecondaryY = hasSecondaryYAxis(
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y2Column: tempWidget.y2Column, geometries: tempWidget.geometries);
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final rightPadding = hasSecondaryY ? 80.0 : tempWidget.theme.padding.right;
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final y2AxisSpace = _estimateY2AxisSpace(tempWidget);
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final rightPadding = tempWidget.theme.padding.right + y2AxisSpace;
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final plotArea = Rect.fromLTWH(
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tempWidget.theme.padding.left,
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}
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}
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/// Estimate Y2-axis space for layout purposes (conservative upper bound)
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/// The painter will calculate the precise value at paint time.
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/// This is only used for layout calculations where scales may not be fully set up.
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double _estimateY2AxisSpace(AnimatedCristalyseChartWidget chartWidget) {
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final hasSecondaryY = hasSecondaryYAxis(
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y2Column: chartWidget.y2Column,
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geometries: chartWidget.geometries,
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);
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// Use conservative estimate: 80px is a reasonable upper bound for most y2-axis labels
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// The painter will refine this with actual label measurements at paint time
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return (hasSecondaryY && chartWidget.y2Scale != null) ? 80.0 : 0.0;
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}
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void _setupScales(double width, double height) {
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_setupXScale(width, widget.geometries.any((g) => g is BarGeometry));
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_setupYScale(

pubspec.yaml

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name: cristalyse
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description: "Cristalyse is a high-performance data visualization library for Dart/Flutter that implements grammar of graphics principles with native rendering capabilities."
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version: 1.12.0
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version: 1.12.1
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homepage: https://cristalyse.com
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documentation: https://docs.cristalyse.com
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repository: https://github.com/rudi-q/cristalyse

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