feat: open images

src/components/Blocks.tsx

@@ -2,16 +2,17 @@ import { useEffect } from "react";
 import { Sprite } from "@pixi/react";
 
 import blocksData from "@/data/blocks/programmer-art/average_colors.json";
-import welcomeBlocksData from "@/data/welcome.json";
 import { Texture } from "pixi.js";
 
 interface Props {
 	blocks: Block[];
 	setBlocks: React.Dispatch<React.SetStateAction<Block[]>>;
 	textures: Record<string, Texture>;
+	image: HTMLImageElement | undefined;
+	imageDimensions: Dimension;
 }
 
-function Blocks({ blocks, setBlocks, textures }: Props) {
+function Blocks({ blocks, setBlocks, textures, image, imageDimensions }: Props) {
 	const findClosestBlock = (r: number, g: number, b: number, a: number) => {
 		let closestBlock = "";
 		let closestDistance = Infinity;
@@ -28,19 +29,16 @@ function Blocks({ blocks, setBlocks, textures }: Props) {
 	};
 
 	useEffect(() => {
-		// TESTING: convert image to blocks
-		const image = new Image();
-		image.src = "/bliss.png";
-		image.addEventListener("load", () => {
+		if (image) {
 			const canvas = document.createElement("canvas");
 			const ctx = canvas.getContext("2d");
 
 			if (ctx) {
-				canvas.width = image.width;
-				canvas.height = image.height;
-				ctx.drawImage(image, 0, 0, image.width / 4, image.height / 4);
+				canvas.width = imageDimensions.width;
+				canvas.height = imageDimensions.height;
+				ctx.drawImage(image, 0, 0, imageDimensions.width, imageDimensions.height);
 
-				const imageData = ctx.getImageData(0, 0, image.width / 4, image.height / 4);
+				const imageData = ctx.getImageData(0, 0, imageDimensions.width, imageDimensions.height);
 				const newBlocks: Block[] = [];
 
 				for (let i = 0; i < imageData.data.length; i += 4) {
@@ -58,10 +56,8 @@ function Blocks({ blocks, setBlocks, textures }: Props) {
 
 				setBlocks(newBlocks);
 			}
-		});
-
-		setBlocks(welcomeBlocksData);
-	}, [textures]);
+		}
+	}, [image, imageDimensions, setBlocks]);
 
 	return (
 		<>

src/components/Canvas.tsx

@@ -2,9 +2,10 @@ import React, { useCallback, useContext, useEffect, useMemo, useRef, useState }
 import { Container, Stage } from "@pixi/react";
 import * as PIXI from "pixi.js";
 
+import { ImageContext } from "@/context/ImageContext";
 import { SettingsContext } from "@/context/SettingsContext";
-import { ToolContext } from "@/context/ToolContext";
 import { TexturesContext } from "@/context/TexturesContext";
+import { ToolContext } from "@/context/ToolContext";
 
 import Blocks from "./Blocks";
 import Grid from "./Grid";
@@ -13,13 +14,16 @@ import CursorInformation from "./information/Cursor";
 import CanvasInformation from "./information/Canvas";
 import CanvasBorder from "./CanvasBorder";
 
+import welcomeBlocksData from "@/data/welcome.json";
+
 // Set scale mode to NEAREST
 PIXI.settings.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
 
 function Canvas() {
+	const { image, imageDimensions } = useContext(ImageContext);
 	const { settings } = useContext(SettingsContext);
-	const { tool, selectedBlock } = useContext(ToolContext);
 	const textures = useContext(TexturesContext);
+	const { tool, selectedBlock } = useContext(ToolContext);
 
 	const stageContainerRef = useRef<HTMLDivElement>(null);
 	const [stageSize, setStageSize] = useState<Dimension>({ width: 0, height: 0 });
@@ -144,6 +148,8 @@ function Canvas() {
 
 		resizeCanvas();
 		window.addEventListener("resize", resizeCanvas);
+
+		setBlocks(welcomeBlocksData);
 		return () => window.removeEventListener("resize", resizeCanvas);
 	}, []);
 
@@ -158,7 +164,7 @@ function Canvas() {
 				onWheel={onWheel}
 			>
 				<Container x={coords.x} y={coords.y} scale={scale}>
-					<Blocks blocks={blocks} setBlocks={setBlocks} textures={textures} />
+					<Blocks blocks={blocks} setBlocks={setBlocks} textures={textures} image={image} imageDimensions={imageDimensions} />
 					{settings.canvasBorder && <CanvasBorder canvasSize={canvasSize} />}
 					<Cursor mouseCoords={mouseCoords} />
 				</Container>

src/components/dialogs/OpenImage.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useState } from "react";
+import { useContext, useEffect, useState } from "react";
 import { useDropzone } from "react-dropzone";
 
 import { CircleAlertIcon, UploadIcon } from "lucide-react";
@@ -8,7 +8,11 @@ import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
 
-function OpenImage() {
+import { ImageContext } from "@/context/ImageContext";
+
+function OpenImage({ close }: DialogProps) {
+	const { setImage: setContextImage, setImageDimensions: setContextImageDimensions } = useContext(ImageContext);
+
 	const { acceptedFiles, getRootProps, getInputProps } = useDropzone({
 		accept: {
 			"image/*": [".png", ".jpg", ".jpeg", ".bmp", ".webp", ".tiff"],
@@ -17,6 +21,7 @@ function OpenImage() {
 
 	const [image, setImage] = useState<HTMLImageElement>();
 	const [imageDimensions, setImageDimensions] = useState<Dimension>({ width: 0, height: 0 });
+	const [aspectRatio, setAspectRatio] = useState(1);
 
 	useEffect(() => {
 		if (acceptedFiles[0]) {
@@ -24,6 +29,7 @@ function OpenImage() {
 			img.onload = () => {
 				setImage(img);
 				setImageDimensions({ width: img.width, height: img.height });
+				setAspectRatio(img.width / img.height);
 			};
 			img.src = URL.createObjectURL(acceptedFiles[0]);
 		}
@@ -31,9 +37,8 @@ function OpenImage() {
 
 	const onDimensionChange = (e: React.ChangeEvent<HTMLInputElement>, isWidth: boolean) => {
 		const newDimension = Number(e.target.value);
-		const aspectRatio = imageDimensions.width / imageDimensions.height;
-
 		if (newDimension < 1 || newDimension > 10000) return;
+
 		setImageDimensions(() => {
 			if (isWidth) {
 				return { width: newDimension, height: Math.round(newDimension / aspectRatio) };
@@ -43,6 +48,14 @@ function OpenImage() {
 		});
 	};
 
+	const onSubmit = () => {
+		if (image) {
+			setContextImage(image);
+			setContextImageDimensions(imageDimensions);
+			close();
+		}
+	};
+
 	return (
 		<DialogContent>
 			<DialogHeader>
@@ -106,7 +119,7 @@ function OpenImage() {
 					</div>
 				)}
 
-				<Button type="submit" className="ml-auto">
+				<Button type="submit" className="ml-auto" onClick={onSubmit}>
 					Submit
 				</Button>
 			</DialogFooter>

src/components/ui/input.tsx

@@ -0,0 +1,22 @@
+import * as React from "react"
+
+import { cn } from "@/lib/utils"
+
+const Input = React.forwardRef<HTMLInputElement, React.ComponentProps<"input">>(
+  ({ className, type, ...props }, ref) => {
+    return (
+      <input
+        type={type}
+        className={cn(
+          "flex h-10 w-full rounded-md border border-zinc-200 bg-white px-3 py-2 text-base ring-offset-white file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-zinc-950 placeholder:text-zinc-500 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-zinc-950 focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 md:text-sm dark:border-zinc-800 dark:bg-zinc-950 dark:ring-offset-zinc-950 dark:file:text-zinc-50 dark:placeholder:text-zinc-400 dark:focus-visible:ring-zinc-300",
+          className
+        )}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Input.displayName = "Input"
+
+export { Input }

src/components/ui/label.tsx

@@ -0,0 +1,24 @@
+import * as React from "react"
+import * as LabelPrimitive from "@radix-ui/react-label"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+const labelVariants = cva(
+  "text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70"
+)
+
+const Label = React.forwardRef<
+  React.ElementRef<typeof LabelPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof LabelPrimitive.Root> &
+    VariantProps<typeof labelVariants>
+>(({ className, ...props }, ref) => (
+  <LabelPrimitive.Root
+    ref={ref}
+    className={cn(labelVariants(), className)}
+    {...props}
+  />
+))
+Label.displayName = LabelPrimitive.Root.displayName
+
+export { Label }

src/context/DialogContext.tsx

@@ -23,7 +23,7 @@ export const DialogProvider = ({ children }: Props) => {
 			<Dialog open={open} onOpenChange={(value) => setOpen(value)}>
 				{LazyDialogContent && (
 					<Suspense fallback={<div className="absolute left-1/2 top-1/2 -translate-x-1/2 -translate-y-1/2">Loading dialog...</div>}>
-						<LazyDialogContent />
+						<LazyDialogContent close={() => setOpen(false)} />
 					</Suspense>
 				)}
 			</Dialog>

src/context/ImageContext.tsx

@@ -0,0 +1,19 @@
+import { createContext, ReactNode, useState } from "react";
+
+interface Props {
+	children: ReactNode;
+}
+
+export const ImageContext = createContext({
+	image: new Image() as HTMLImageElement | undefined,
+	imageDimensions: { width: 0, height: 0 } as Dimension,
+	setImage: (image: HTMLImageElement) => {},
+	setImageDimensions: (dimension: Dimension) => {},
+});
+
+export const ImageProvider = ({ children }: Props) => {
+	const [image, setImage] = useState<HTMLImageElement>();
+	const [imageDimensions, setImageDimensions] = useState<Dimension>({ width: 0, height: 0 });
+
+	return <ImageContext.Provider value={{ image, imageDimensions, setImage, setImageDimensions }}>{children}</ImageContext.Provider>;
+};

src/pages/AppPage.tsx

@@ -1,3 +1,4 @@
+import { ImageProvider } from "@/context/ImageContext";
 import { SettingsProvider } from "../context/SettingsContext";
 import { TexturesProvider } from "../context/TexturesContext";
 import { ToolProvider } from "../context/ToolContext";
@@ -8,17 +9,19 @@ import Canvas from "../components/Canvas";
 
 function AppPage() {
 	return (
-		<SettingsProvider>
-			<TexturesProvider>
-				<ToolProvider>
-					<main className="h-screen grid grid-rows-[2.5rem_1fr] grid-cols-[2.5rem_1fr]">
-						<Menubar />
-						<Toolbar />
-						<Canvas />
-					</main>
-				</ToolProvider>
-			</TexturesProvider>
-		</SettingsProvider>
+		<ImageProvider>
+			<SettingsProvider>
+				<TexturesProvider>
+					<ToolProvider>
+						<main className="h-screen grid grid-rows-[2.5rem_1fr] grid-cols-[2.5rem_1fr]">
+							<Menubar />
+							<Toolbar />
+							<Canvas />
+						</main>
+					</ToolProvider>
+				</TexturesProvider>
+			</SettingsProvider>
+		</ImageProvider>
 	);
 }
 

src/types.d.ts

@@ -27,3 +27,7 @@ interface Settings {
 	grid: boolean;
 	canvasBorder: boolean;
 }
+
+interface DialogProps {
+	close: () => void;
+}