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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| import { Skia } from "../Skia"; | ||
| import type { DataSourceParam } from "../types"; | ||
|
|
||
| export const useSVG = ( | ||
| source: DataSourceParam, | ||
| onError?: (err: Error) => void | ||
| ) => { | ||
| if (source === null || source === undefined) { | ||
| throw new Error(`Invalid svg data source. Got: ${source}`); | ||
| } | ||
| if ( | ||
| typeof source !== "object" || | ||
| source instanceof Uint8Array || | ||
| typeof source.default !== "string" | ||
| ) { | ||
| throw new Error( | ||
| `Invalid svg data source. Make sure that the source resolves to a string. Got: ${JSON.stringify( | ||
| source, | ||
| null, | ||
| 2 | ||
| )}` | ||
| ); | ||
| } | ||
| const svg = Skia.SVG.MakeFromString(source.default); | ||
| if (svg === null && onError !== undefined) { | ||
| onError(new Error("Failed to create SVG from source.")); | ||
| } | ||
| return svg; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| import type { CanvasKit } from "canvaskit-wasm"; | ||
|
|
||
| import type { SkSVG } from "../types"; | ||
|
|
||
| import { HostObject } from "./Host"; | ||
|
|
||
| export class JsiSkSVG | ||
| extends HostObject<HTMLImageElement, "SVG"> | ||
| implements SkSVG | ||
| { | ||
| constructor(CanvasKit: CanvasKit, ref: HTMLImageElement) { | ||
| super(CanvasKit, ref, "SVG"); | ||
| } | ||
|
|
||
| width(): number { | ||
| return this.ref.width; | ||
| } | ||
| height(): number { | ||
| return this.ref.height; | ||
| } | ||
|
|
||
| dispose = () => { | ||
| if (this.ref.parentNode) { | ||
| this.ref.parentNode.removeChild(this.ref); | ||
| } | ||
| }; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,20 +1,61 @@ | ||
| import type { CanvasKit } from "canvaskit-wasm"; | ||
|
|
||
| import type { SkData, SkSVG } from "../types"; | ||
| import type { SkSVG } from "../types"; | ||
| import type { SVGFactory } from "../types/SVG/SVGFactory"; | ||
|
|
||
| import { Host, NotImplementedOnRNWeb } from "./Host"; | ||
| import { Host } from "./Host"; | ||
| import type { JsiSkData } from "./JsiSkData"; | ||
| import { JsiSkSVG } from "./JsiSkSVG"; | ||
|
|
||
| export class JsiSkSVGFactory extends Host implements SVGFactory { | ||
| constructor(CanvasKit: CanvasKit) { | ||
| super(CanvasKit); | ||
| } | ||
|
|
||
| MakeFromData(_data: SkData): SkSVG | null { | ||
| throw new NotImplementedOnRNWeb(); | ||
| MakeFromData(data: JsiSkData): SkSVG | null { | ||
| const decoder = new TextDecoder("utf-8"); | ||
| const str = decoder.decode(data.ref); | ||
| return this.MakeFromString(str); | ||
| } | ||
|
|
||
| MakeFromString(_str: string): SkSVG | null { | ||
| throw new NotImplementedOnRNWeb(); | ||
| MakeFromString(str: string): SkSVG | null { | ||
| const parser = new DOMParser(); | ||
| const svgDoc = parser.parseFromString(str, "image/svg+xml"); | ||
| const svgElement = svgDoc.documentElement; | ||
|
|
||
| const attrWidth = svgElement.getAttribute("width"); | ||
| const attrHeight = svgElement.getAttribute("height"); | ||
| let width = attrWidth ? parseFloat(attrWidth) : null; | ||
| let height = attrHeight ? parseFloat(attrHeight) : null; | ||
|
|
||
| const svgDataUrl = | ||
| "data:image/svg+xml;charset=utf-8," + encodeURIComponent(str); | ||
| // Create a new HTMLImageElement | ||
| const img = new Image(); | ||
| img.src = svgDataUrl; | ||
|
|
||
| // Optionally set styles or attributes on the image | ||
| img.style.display = "none"; | ||
| img.alt = "SVG Image"; | ||
| if (!width || !height) { | ||
| const viewBox = svgElement.getAttribute("viewBox"); | ||
| if (viewBox) { | ||
| const viewBoxValues = viewBox.split(" "); | ||
| if (viewBoxValues.length === 4) { | ||
| width = width || parseFloat(viewBoxValues[2]); | ||
| height = height || parseFloat(viewBoxValues[3]); | ||
| } | ||
| } | ||
| } | ||
| if (width && height) { | ||
| img.width = width; | ||
| img.height = height; | ||
| } | ||
|
|
||
| img.onerror = (e) => { | ||
| console.error("SVG failed to load", e); | ||
| }; | ||
| document.body.appendChild(img); | ||
| return new JsiSkSVG(this.CanvasKit, img); | ||
| } | ||
| } |