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Merge pull request #210 from Axis-Fi/liv-svg
SVG representation for Linear Vesting
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,251 @@ | ||
| //SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.12; | ||
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| // hot-chain-svg: https://github.com/w1nt3r-eth/hot-chain-svg | ||
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| // Core utils used extensively to format CSS and numbers. | ||
| library utils { | ||
| // used to simulate empty strings | ||
| string internal constant NULL = ""; | ||
|
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| // formats a CSS variable line. includes a semicolon for formatting. | ||
| function setCssVar( | ||
| string memory _key, | ||
| string memory _val | ||
| ) internal pure returns (string memory) { | ||
| return string.concat("--", _key, ":", _val, ";"); | ||
| } | ||
|
|
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| // formats getting a css variable | ||
| function getCssVar(string memory _key) internal pure returns (string memory) { | ||
| return string.concat("var(--", _key, ")"); | ||
| } | ||
|
|
||
| // formats getting a def URL | ||
| function getDefURL(string memory _id) internal pure returns (string memory) { | ||
| return string.concat("url(#", _id, ")"); | ||
| } | ||
|
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||
| // formats rgba white with a specified opacity / alpha | ||
| function white_a(uint256 _a) internal pure returns (string memory) { | ||
| return rgba(255, 255, 255, _a); | ||
| } | ||
|
|
||
| // formats rgba black with a specified opacity / alpha | ||
| function black_a(uint256 _a) internal pure returns (string memory) { | ||
| return rgba(0, 0, 0, _a); | ||
| } | ||
|
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||
| // formats generic rgba color in css | ||
| function rgba( | ||
| uint256 _r, | ||
| uint256 _g, | ||
| uint256 _b, | ||
| uint256 _a | ||
| ) internal pure returns (string memory) { | ||
| string memory formattedA = _a < 100 ? string.concat("0.", utils.uint2str(_a)) : "1"; | ||
| return string.concat( | ||
| "rgba(", | ||
| utils.uint2str(_r), | ||
| ",", | ||
| utils.uint2str(_g), | ||
| ",", | ||
| utils.uint2str(_b), | ||
| ",", | ||
| formattedA, | ||
| ")" | ||
| ); | ||
| } | ||
|
|
||
| // checks if two strings are equal | ||
| function stringsEqual(string memory _a, string memory _b) internal pure returns (bool) { | ||
| return keccak256(abi.encodePacked(_a)) == keccak256(abi.encodePacked(_b)); | ||
| } | ||
|
|
||
| // returns the length of a string in characters | ||
| function utfStringLength(string memory _str) internal pure returns (uint256 length) { | ||
| uint256 i = 0; | ||
| bytes memory string_rep = bytes(_str); | ||
|
|
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| while (i < string_rep.length) { | ||
| if (string_rep[i] >> 7 == 0) { | ||
| i += 1; | ||
| } else if (string_rep[i] >> 5 == bytes1(uint8(0x6))) { | ||
| i += 2; | ||
| } else if (string_rep[i] >> 4 == bytes1(uint8(0xE))) { | ||
| i += 3; | ||
| } else if (string_rep[i] >> 3 == bytes1(uint8(0x1E))) { | ||
| i += 4; | ||
| } | ||
| //For safety | ||
| else { | ||
| i += 1; | ||
| } | ||
|
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| length++; | ||
| } | ||
| } | ||
|
|
||
| // converts an unsigned integer to a string | ||
| function uint2str(uint256 _i) internal pure returns (string memory _uintAsString) { | ||
| if (_i == 0) { | ||
| return "0"; | ||
| } | ||
| uint256 j = _i; | ||
| uint256 len; | ||
| while (j != 0) { | ||
| len++; | ||
| j /= 10; | ||
| } | ||
| bytes memory bstr = new bytes(len); | ||
| uint256 k = len; | ||
| while (_i != 0) { | ||
| k = k - 1; | ||
| uint8 temp = (48 + uint8(_i - (_i / 10) * 10)); | ||
| bytes1 b1 = bytes1(temp); | ||
| bstr[k] = b1; | ||
| _i /= 10; | ||
| } | ||
| return string(bstr); | ||
| } | ||
| } | ||
|
|
||
| // Core SVG utilitiy library which helps us construct | ||
| // onchain SVG's with a simple, web-like API. | ||
| library svg { | ||
| /* MAIN ELEMENTS */ | ||
| function g( | ||
| string memory _props, | ||
| string memory _children | ||
| ) internal pure returns (string memory) { | ||
| return el("g", _props, _children); | ||
| } | ||
|
|
||
| function path( | ||
| string memory _props, | ||
| string memory _children | ||
| ) internal pure returns (string memory) { | ||
| return el("path", _props, _children); | ||
| } | ||
|
|
||
| function text( | ||
| string memory _props, | ||
| string memory _children | ||
| ) internal pure returns (string memory) { | ||
| return el("text", _props, _children); | ||
| } | ||
|
|
||
| function line( | ||
| string memory _props, | ||
| string memory _children | ||
| ) internal pure returns (string memory) { | ||
| return el("line", _props, _children); | ||
| } | ||
|
|
||
| function circle( | ||
| string memory _props, | ||
| string memory _children | ||
| ) internal pure returns (string memory) { | ||
| return el("circle", _props, _children); | ||
| } | ||
|
|
||
| function circle(string memory _props) internal pure returns (string memory) { | ||
| return el("circle", _props); | ||
| } | ||
|
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||
| function ellipse( | ||
| string memory _props, | ||
| string memory _children | ||
| ) internal pure returns (string memory) { | ||
| return el("ellipse", _props, _children); | ||
| } | ||
|
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||
| function ellipse(string memory _props) internal pure returns (string memory) { | ||
| return el("ellipse", _props); | ||
| } | ||
|
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||
| function rect( | ||
| string memory _props, | ||
| string memory _children | ||
| ) internal pure returns (string memory) { | ||
| return el("rect", _props, _children); | ||
| } | ||
|
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||
| function rect(string memory _props) internal pure returns (string memory) { | ||
| return el("rect", _props); | ||
| } | ||
|
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| function filter( | ||
| string memory _props, | ||
| string memory _children | ||
| ) internal pure returns (string memory) { | ||
| return el("filter", _props, _children); | ||
| } | ||
|
|
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| function cdata(string memory _content) internal pure returns (string memory) { | ||
| return string.concat("<![CDATA[", _content, "]]>"); | ||
| } | ||
|
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||
| /* GRADIENTS */ | ||
| function radialGradient( | ||
| string memory _props, | ||
| string memory _children | ||
| ) internal pure returns (string memory) { | ||
| return el("radialGradient", _props, _children); | ||
| } | ||
|
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| function linearGradient( | ||
| string memory _props, | ||
| string memory _children | ||
| ) internal pure returns (string memory) { | ||
| return el("linearGradient", _props, _children); | ||
| } | ||
|
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||
| function gradientStop( | ||
| uint256 offset, | ||
| string memory stopColor, | ||
| string memory _props | ||
| ) internal pure returns (string memory) { | ||
| return el( | ||
| "stop", | ||
| string.concat( | ||
| prop("stop-color", stopColor), | ||
| " ", | ||
| prop("offset", string.concat(utils.uint2str(offset), "%")), | ||
| " ", | ||
| _props | ||
| ) | ||
| ); | ||
| } | ||
|
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| function animateTransform(string memory _props) internal pure returns (string memory) { | ||
| return el("animateTransform", _props); | ||
| } | ||
|
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| function image( | ||
| string memory _href, | ||
| string memory _props | ||
| ) internal pure returns (string memory) { | ||
| return el("image", string.concat(prop("href", _href), " ", _props)); | ||
| } | ||
|
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||
| /* COMMON */ | ||
| // A generic element, can be used to construct any SVG (or HTML) element | ||
| function el( | ||
| string memory _tag, | ||
| string memory _props, | ||
| string memory _children | ||
| ) internal pure returns (string memory) { | ||
| return string.concat("<", _tag, " ", _props, ">", _children, "</", _tag, ">"); | ||
| } | ||
|
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| // A generic element, can be used to construct any SVG (or HTML) element without children | ||
| function el(string memory _tag, string memory _props) internal pure returns (string memory) { | ||
| return string.concat("<", _tag, " ", _props, "/>"); | ||
| } | ||
|
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| // an SVG attribute | ||
| function prop(string memory _key, string memory _val) internal pure returns (string memory) { | ||
| return string.concat(_key, "=", '"', _val, '" '); | ||
| } | ||
| } |
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