| Name | Lines of code | Maintainability | Test coverage |
| src/Writing/SVGWriter.php | 99 | A 25 mins | B 86% |
| src/Nodes/Shapes/SVGPolygonalShape.php | 104 | A 25 mins | A 100% |
| src/Rasterization/Renderers/MultiPassRenderer.php | 107 | A 0 mins | B 87% |
| src/Rasterization/Path/ArcApproximator.php | 110 | B 4 hrs | A 100% |
| src/Nodes/Structures/SVGDocumentFragment.php | 115 | A 45 mins | D 62% |
| src/Utilities/Colors/Color.php | 120 | A 0 mins | A 100% |
| src/Nodes/Embedded/SVGImage.php | 120 | A 2 hrs | D 63% |
| src/Reading/NodeRegistry.php | 143 | A 0 mins | A 100% |
| src/Nodes/SVGNode.php | 143 | A 2 hrs | D 68% |
| src/Nodes/SVGNodeContainer.php | 147 | A 1 hr | B 85% |
| src/Rasterization/SVGRasterizer.php | 150 | A 45 mins | B 81% |
| src/Utilities/Colors/ColorLookup.php | 160 | A 0 mins | A 100% |
| src/Rasterization/Renderers/RectRenderer.php | 177 | B 5 hrs | A 97% |
| src/Fonts/TrueTypeFontFile.php | 179 | A 0 mins | F 0% |
| src/Rasterization/Path/PathApproximator.php | 243 | A 35 mins | A 100% |