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OP-1 SVG

The OP-1 can parse SVG files but its very strict regarding the format. It can understand most graphics primitives, but they need to be formatted properly. The limitations make it a challenge to modify the graphics with tools such as Inkscape. Lots of SVG features are entirely unsupported.

Supported Elements (non exhaustive list)

  • svg

  • rect

  • g

  • line

  • path

    • Only supports a specific formatting of the d attribute.

    • It seems that line commands only supports a single coordinate pair. That means that L 10,10 20,20 doesn't work and should instead be written as L 10,10 L 20,20. The same logic might apply to other commands too but I haven't verified that yet.

  • polyline

  • circle

  • polygon

  • ellipse

  • defs (?)

  • clipPath (?)

  • use (?)

Supported attributes

xmlns, xmlns:xlink,
version, id, x, y, width, height, viewBox,
enable-background, space, fill, stroke, d, stroke-width,
cx, cy, r, x1, y1, x2, y2, stroke-dasharray, display,
stroke-linecap, points, rx, ry, stroke-linejoin, transform,
stroke-miterlimit, href, overflow, clip-path, opacity,

Transformations

Transforms seem to be mostly unsupported, except for the matrix transform that seems to be used in a few of the graphics. Transforms on groups of elements don't seem to work at all.

Decimal precision

The OP-1 crashes if numeric values in SVG files have more than 4 decimals of precision.

Colos

The OP-1 uses the colors in colors.svg for dynamic parts of the graphics. Static parts of the graphics use the same colors, but they're separately specified in the individual SVG files.

Fonts

The OP-1 uses the characters in opfont.svg for drawing dynamic texts in the graphics. Similarly as the colors static texts are written directly into the SVG files.

Desiging custom graphics

If and when designing custom GFX for the OP-1 you should use the default colors and line widths. Please keep to the original TE OP-1 vibe if you know what I mean.