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Implement enhanced grid-style coverage heat maps #45

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Implement enhanced grid-style coverage heat maps #45

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Copilot AI commented Aug 2, 2025 •
edited by mach6
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Implements --heatmap-asci and --heatmap-png output formats.

Key Changes

Both ASCII and PNG formats now display coverage data as grids of compact, highly readable cells with no gaps between them:

PNG Grid: Creates professional full-width images (1600px) with large colored rectangles, automatically sized based on content with a vertical legend for maximum legibility.

Usage

# Generate ASCII grid heat map with seamless 6x3 cells
go-covercheck coverage.out --format heatmap-ascii

# Generate PNG grid heat map with vertical legend layout
go-covercheck coverage.out --format heatmap-png

Fixes #44.

image image

Copilot AI changed the title [WIP] [Feature] add the ability to produce a coverage heat map Add coverage heat map functionality with ASCII and PNG output formats Aug 2, 2025
Copilot AI requested a review from mach6 August 2, 2025 06:24
Copilot AI changed the title Add coverage heat map functionality with ASCII and PNG output formats Add package-focused coverage heat maps with ASCII, PNG, and flame graph formats Aug 2, 2025
Copilot AI changed the title Add package-focused coverage heat maps with ASCII, PNG, and flame graph formats Add package-focused coverage heat maps with ASCII, PNG, flame graph text, and flame graph PNG formats Aug 2, 2025
Repository owner deleted a comment from Copilot AI Aug 2, 2025
Repository owner deleted a comment from Copilot AI Aug 2, 2025
Copilot AI changed the title Add package-focused coverage heat maps with ASCII, PNG, flame graph text, and flame graph PNG formats Add package-focused coverage heat maps with ASCII and PNG formats Aug 2, 2025
@mach6 mach6 changed the title Add package-focused coverage heat maps with ASCII, PNG, flame graph text, and flame graph PNG formats Add package-focused coverage heat maps with ASCII, PNG formats Aug 2, 2025
Repository owner deleted a comment from Copilot AI Aug 2, 2025
Copilot AI changed the title Add package-focused coverage heat maps with ASCII, PNG formats Implement grid-style coverage heat maps highlighting improvement opportunities Aug 2, 2025
Copilot AI changed the title Implement grid-style coverage heat maps highlighting improvement opportunities Implement enhanced grid-style coverage heat maps with larger cells and improved layout Aug 4, 2025
Repository owner deleted a comment from Copilot AI Aug 4, 2025
Copilot AI changed the title Implement enhanced grid-style coverage heat maps with larger cells and improved layout Implement enhanced grid-style coverage heat maps with 6x3 cells, embedded percentages, and right-aligned labels Aug 4, 2025
Repository owner deleted a comment from Copilot AI Aug 4, 2025
Copilot AI changed the title Implement enhanced grid-style coverage heat maps with 6x3 cells, embedded percentages, and right-aligned labels Implement enhanced grid-style coverage heat maps with consistent cell colors, seamless layout, and optimized text truncation Aug 4, 2025
Repository owner deleted a comment from Copilot AI Aug 4, 2025
@mach6 mach6 changed the title Implement enhanced grid-style coverage heat maps with consistent cell colors, seamless layout, and optimized text truncation Implement enhanced grid-style coverage heat maps Aug 4, 2025
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@mach6 mach6 Awaiting requested review from mach6 mach6 is a code owner

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[Feature] add the ability to produce a coverage heat map

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