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1 files changed, 71 insertions, 0 deletions

diff --git a/llama.cpp/tools/server/webui/src/lib/utils/svg-to-png.ts b/llama.cpp/tools/server/webui/src/lib/utils/svg-to-png.ts
new file mode 100644
index 0000000..d5a7f7d
--- /dev/null
+++ b/llama.cpp/tools/server/webui/src/lib/utils/svg-to-png.ts
@@ -0,0 +1,71 @@
+import { MimeTypeImage } from '$lib/enums';
+
+/**
+ * Convert an SVG base64 data URL to a PNG data URL
+ * @param base64UrlSvg - The SVG base64 data URL to convert
+ * @param backgroundColor - Background color for the PNG (default: 'white')
+ * @returns Promise resolving to PNG data URL
+ */
+export function svgBase64UrlToPngDataURL(
+	base64UrlSvg: string,
+	backgroundColor: string = 'white'
+): Promise<string> {
+	return new Promise((resolve, reject) => {
+		try {
+			const img = new Image();
+
+			img.onload = () => {
+				const canvas = document.createElement('canvas');
+				const ctx = canvas.getContext('2d');
+
+				if (!ctx) {
+					reject(new Error('Failed to get 2D canvas context.'));
+					return;
+				}
+
+				const targetWidth = img.naturalWidth || 300;
+				const targetHeight = img.naturalHeight || 300;
+
+				canvas.width = targetWidth;
+				canvas.height = targetHeight;
+
+				if (backgroundColor) {
+					ctx.fillStyle = backgroundColor;
+					ctx.fillRect(0, 0, canvas.width, canvas.height);
+				}
+				ctx.drawImage(img, 0, 0, targetWidth, targetHeight);
+
+				resolve(canvas.toDataURL(MimeTypeImage.PNG));
+			};
+
+			img.onerror = () => {
+				reject(new Error('Failed to load SVG image. Ensure the SVG data is valid.'));
+			};
+
+			img.src = base64UrlSvg;
+		} catch (error) {
+			const message = error instanceof Error ? error.message : String(error);
+			const errorMessage = `Error converting SVG to PNG: ${message}`;
+			console.error(errorMessage, error);
+			reject(new Error(errorMessage));
+		}
+	});
+}
+
+/**
+ * Check if a file is an SVG based on its MIME type
+ * @param file - The file to check
+ * @returns True if the file is an SVG
+ */
+export function isSvgFile(file: File): boolean {
+	return file.type === MimeTypeImage.SVG;
+}
+
+/**
+ * Check if a MIME type represents an SVG
+ * @param mimeType - The MIME type to check
+ * @returns True if the MIME type is image/svg+xml
+ */
+export function isSvgMimeType(mimeType: string): boolean {
+	return mimeType === MimeTypeImage.SVG;
+}