feat: add Fit to Screen zoom control utility#36
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✅ Thanks! This PR is linked to #25 and will close it automatically when merged. |
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1 issue found across 1 file
Prompt for AI agents (unresolved issues)
Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.
<file name="src/components/CenterCanvas.tsx">
<violation number="1" location="src/components/CenterCanvas.tsx:127">
P1: Fit-to-screen uses inconsistent zoom clamping range [0.4, 2] instead of the canvas-wide [0.25, 3], which can prevent large/small charts from actually fitting to the viewport.</violation>
</file>
Reply with feedback, questions, or to request a fix.
Re-trigger cubic
| const scaleX = (containerWidth - padding) / contentWidth; | ||
| const scaleY = (containerHeight - padding) / contentHeight; | ||
| let newScale = Math.min(scaleX, scaleY); | ||
| newScale = Math.min(Math.max(0.4, newScale), 2); |
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P1: Fit-to-screen uses inconsistent zoom clamping range [0.4, 2] instead of the canvas-wide [0.25, 3], which can prevent large/small charts from actually fitting to the viewport.
Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At src/components/CenterCanvas.tsx, line 127:
<comment>Fit-to-screen uses inconsistent zoom clamping range [0.4, 2] instead of the canvas-wide [0.25, 3], which can prevent large/small charts from actually fitting to the viewport.</comment>
<file context>
@@ -99,6 +99,45 @@ export default function CenterCanvas({
+ const scaleX = (containerWidth - padding) / contentWidth;
+ const scaleY = (containerHeight - padding) / contentHeight;
+ let newScale = Math.min(scaleX, scaleY);
+ newScale = Math.min(Math.max(0.4, newScale), 2);
+ newScale = parseFloat(newScale.toFixed(2));
+
</file context>
| newScale = Math.min(Math.max(0.4, newScale), 2); | |
| newScale = Math.min(Math.max(0.25, newScale), 3); |
1 participant
Related Issue
Closes #25
Summary
This PR adds a "Fit to Screen" utility button to the flowchart canvas zoom panel HUD.
Changes Made
handleFitToScreencalculation function.Testing
Screenshots
N/A
Impact
Improves canvas controls usability.
Checklist
Summary by cubic
Adds a "Fit to Screen" control to the canvas so users can quickly scale and center all blocks in view. Improves zoom usability on large flowcharts.
handleFitToScreento compute node bounds and fit content to the container with padding; clamps scale between 0.4 and 2 (2-decimal precision).Written for commit 0d950ff. Summary will update on new commits.