Files
Comfyui-LayerForge/js/Canvas.js
Dariusz L 2c4ead38ee Refactor rendering logic to CanvasRenderer class
Moved all rendering-related methods from Canvas.js to a new CanvasRenderer.js module. Canvas now delegates rendering to CanvasRenderer, improving separation of concerns and maintainability.
2025-06-26 00:21:25 +02:00

1048 lines
37 KiB
JavaScript

import {saveImage, getImage, removeImage} from "./db.js";
import {MaskTool} from "./Mask_tool.js";
import {CanvasState} from "./CanvasState.js";
import {CanvasInteractions} from "./CanvasInteractions.js";
import {CanvasLayers} from "./CanvasLayers.js";
import {CanvasRenderer} from "./CanvasRenderer.js";
import {logger, LogLevel} from "./logger.js";
// Inicjalizacja loggera dla modułu Canvas
const log = {
debug: (...args) => logger.debug('Canvas', ...args),
info: (...args) => logger.info('Canvas', ...args),
warn: (...args) => logger.warn('Canvas', ...args),
error: (...args) => logger.error('Canvas', ...args)
};
// Konfiguracja loggera dla modułu Canvas
logger.setModuleLevel('Canvas', LogLevel.DEBUG); // Domyślnie INFO, można zmienić na DEBUG dla szczegółowych logów
export class Canvas {
constructor(node, widget) {
this.node = node;
this.widget = widget;
this.canvas = document.createElement('canvas');
this.ctx = this.canvas.getContext('2d');
this.width = 512;
this.height = 512;
this.layers = [];
this.selectedLayer = null;
this.selectedLayers = [];
this.onSelectionChange = null;
this.lastMousePosition = {x: 0, y: 0};
this.viewport = {
x: -(this.width / 4),
y: -(this.height / 4),
zoom: 0.8,
};
// Interaction state will be managed by CanvasInteractions module
this.offscreenCanvas = document.createElement('canvas');
this.offscreenCtx = this.offscreenCanvas.getContext('2d', {
alpha: false
});
this.renderAnimationFrame = null;
this.lastRenderTime = 0;
this.internalClipboard = [];
this.isMouseOver = false;
this.renderInterval = 1000 / 60;
this.isDirty = false;
this.dataInitialized = false;
this.pendingDataCheck = null;
this.maskTool = new MaskTool(this);
this.initCanvas();
this.canvasState = new CanvasState(this); // Nowy moduł zarządzania stanem
this.canvasInteractions = new CanvasInteractions(this); // Nowy moduł obsługi interakcji
this.canvasLayers = new CanvasLayers(this); // Nowy moduł operacji na warstwach
this.canvasRenderer = new CanvasRenderer(this); // Nowy moduł renderowania
// Po utworzeniu CanvasInteractions, użyj jego interaction state
this.interaction = this.canvasInteractions.interaction;
this.setupEventListeners();
this.initNodeData();
// Przeniesione do CanvasLayers
this.blendModes = this.canvasLayers.blendModes;
this.selectedBlendMode = this.canvasLayers.selectedBlendMode;
this.blendOpacity = this.canvasLayers.blendOpacity;
this.isAdjustingOpacity = this.canvasLayers.isAdjustingOpacity;
this.layers = this.layers.map(layer => ({
...layer,
opacity: 1
}));
this.imageCache = new Map(); // Pamięć podręczna dla obrazów (imageId -> imageSrc)
// this.saveState(); // Wywołanie przeniesione do loadInitialState
}
async loadStateFromDB() {
return this.canvasState.loadStateFromDB();
}
async saveStateToDB(immediate = false) {
return this.canvasState.saveStateToDB(immediate);
}
async loadInitialState() {
log.info("Loading initial state for node:", this.node.id);
const loaded = await this.loadStateFromDB();
if (!loaded) {
log.info("No saved state found, initializing from node data.");
await this.initNodeData();
}
this.saveState(); // Save initial state to undo stack
}
saveState(replaceLast = false) {
this.canvasState.saveState(replaceLast);
}
undo() {
this.canvasState.undo();
}
redo() {
this.canvasState.redo();
}
updateSelectionAfterHistory() {
const newSelectedLayers = [];
if (this.selectedLayers) {
this.selectedLayers.forEach(sl => {
const found = this.layers.find(l => l.id === sl.id);
if (found) newSelectedLayers.push(found);
});
}
this.updateSelection(newSelectedLayers);
}
updateHistoryButtons() {
if (this.onHistoryChange) {
this.onHistoryChange({
canUndo: this.canvasState.undoStack.length > 1,
canRedo: this.canvasState.redoStack.length > 0
});
}
}
initCanvas() {
this.canvas.width = this.width;
this.canvas.height = this.height;
this.canvas.style.border = '1px solid black';
this.canvas.style.maxWidth = '100%';
this.canvas.style.backgroundColor = '#606060';
this.canvas.style.width = '100%';
this.canvas.style.height = '100%';
this.canvas.tabIndex = 0;
this.canvas.style.outline = 'none';
}
setupEventListeners() {
this.canvasInteractions.setupEventListeners();
}
updateSelection(newSelection) {
this.selectedLayers = newSelection || [];
this.selectedLayer = this.selectedLayers.length > 0 ? this.selectedLayers[this.selectedLayers.length - 1] : null;
if (this.onSelectionChange) {
this.onSelectionChange();
}
}
// Interaction methods moved to CanvasInteractions module
// Delegacja metod operacji na warstwach do CanvasLayers
async copySelectedLayers() {
return this.canvasLayers.copySelectedLayers();
}
pasteLayers() {
return this.canvasLayers.pasteLayers();
}
async handlePaste() {
return this.canvasLayers.handlePaste();
}
handleMouseMove(e) {
// Deleguj do CanvasInteractions
this.canvasInteractions.handleMouseMove(e);
}
handleMouseUp(e) {
// Deleguj do CanvasInteractions
this.canvasInteractions.handleMouseUp(e);
}
handleMouseLeave(e) {
// Deleguj do CanvasInteractions
this.canvasInteractions.handleMouseLeave(e);
}
handleWheel(e) {
// Deleguj do CanvasInteractions
this.canvasInteractions.handleWheel(e);
}
handleKeyDown(e) {
// Deleguj do CanvasInteractions
this.canvasInteractions.handleKeyDown(e);
}
handleKeyUp(e) {
// Deleguj do CanvasInteractions
this.canvasInteractions.handleKeyUp(e);
}
// Wszystkie metody interakcji zostały przeniesione do CanvasInteractions
// Pozostawiamy tylko metody pomocnicze używane przez CanvasInteractions
isRotationHandle(x, y) {
return this.canvasLayers.isRotationHandle(x, y);
}
async addLayerWithImage(image, layerProps = {}) {
return this.canvasLayers.addLayerWithImage(image, layerProps);
}
generateUUID() {
return this.canvasLayers.generateUUID();
}
async addLayer(image) {
return this.addLayerWithImage(image);
}
async removeLayer(index) {
if (index >= 0 && index < this.layers.length) {
const layer = this.layers[index];
if (layer.imageId) {
// Usuń obraz z IndexedDB, jeśli nie jest używany przez inne warstwy
const isImageUsedElsewhere = this.layers.some((l, i) => i !== index && l.imageId === layer.imageId);
if (!isImageUsedElsewhere) {
await removeImage(layer.imageId);
this.imageCache.delete(layer.imageId); // Usuń z pamięci podręcznej
}
}
this.layers.splice(index, 1);
this.selectedLayer = this.layers[this.layers.length - 1] || null;
this.render();
}
}
getMouseWorldCoordinates(e) {
const rect = this.canvas.getBoundingClientRect();
const mouseX_DOM = e.clientX - rect.left;
const mouseY_DOM = e.clientY - rect.top;
const scaleX = this.offscreenCanvas.width / rect.width;
const scaleY = this.offscreenCanvas.height / rect.height;
const mouseX_Buffer = mouseX_DOM * scaleX;
const mouseY_Buffer = mouseY_DOM * scaleY;
const worldX = (mouseX_Buffer / this.viewport.zoom) + this.viewport.x;
const worldY = (mouseY_Buffer / this.viewport.zoom) + this.viewport.y;
return {x: worldX, y: worldY};
}
snapToGrid(value, gridSize = 64) {
return this.canvasLayers.snapToGrid(value, gridSize);
}
getSnapAdjustment(layer, gridSize = 64, snapThreshold = 10) {
return this.canvasLayers.getSnapAdjustment(layer, gridSize, snapThreshold);
}
moveLayer(fromIndex, toIndex) {
return this.canvasLayers.moveLayer(fromIndex, toIndex);
}
resizeLayer(scale) {
this.selectedLayers.forEach(layer => {
layer.width *= scale;
layer.height *= scale;
});
this.render();
this.saveState();
}
rotateLayer(angle) {
this.selectedLayers.forEach(layer => {
layer.rotation += angle;
});
this.render();
this.saveState();
}
updateCanvasSize(width, height, saveHistory = true) {
return this.canvasLayers.updateCanvasSize(width, height, saveHistory);
}
render() {
this.canvasRenderer.render();
}
// Rendering methods moved to CanvasRenderer
getHandles(layer) {
return this.canvasLayers.getHandles(layer);
}
getHandleAtPosition(worldX, worldY) {
return this.canvasLayers.getHandleAtPosition(worldX, worldY);
}
worldToLocal(worldX, worldY, layerProps) {
return this.canvasLayers.worldToLocal(worldX, worldY, layerProps);
}
localToWorld(localX, localY, layerProps) {
return this.canvasLayers.localToWorld(localX, localY, layerProps);
}
async saveToServer(fileName) {
// Globalna mapa do śledzenia zapisów dla wszystkich node-ów
if (!window.canvasSaveStates) {
window.canvasSaveStates = new Map();
}
const nodeId = this.node.id;
const saveKey = `${nodeId}_${fileName}`;
// Sprawdź czy już trwa zapis dla tego node-a i pliku
if (this._saveInProgress || window.canvasSaveStates.get(saveKey)) {
log.warn(`Save already in progress for node ${nodeId}, waiting...`);
return this._saveInProgress || window.canvasSaveStates.get(saveKey);
}
log.info(`Starting saveToServer with fileName: ${fileName} for node: ${nodeId}`);
log.debug(`Canvas dimensions: ${this.width}x${this.height}`);
log.debug(`Number of layers: ${this.layers.length}`);
// Utwórz Promise dla aktualnego zapisu
this._saveInProgress = this._performSave(fileName);
window.canvasSaveStates.set(saveKey, this._saveInProgress);
try {
const result = await this._saveInProgress;
return result;
} finally {
this._saveInProgress = null;
window.canvasSaveStates.delete(saveKey);
log.debug(`Save completed for node ${nodeId}, lock released`);
}
}
async _performSave(fileName) {
// Sprawdź czy są warstwy do zapisania
if (this.layers.length === 0) {
log.warn(`Node ${this.node.id} has no layers, creating empty canvas`);
// Zwróć sukces ale nie zapisuj pustego canvas-a na serwer
return Promise.resolve(true);
}
// Zapisz stan do IndexedDB przed zapisem na serwer
await this.saveStateToDB(true);
// Dodaj krótkie opóźnienie dla różnych node-ów, aby uniknąć konfliktów
const nodeId = this.node.id;
const delay = (nodeId % 10) * 50; // 0-450ms opóźnienia w zależności od ID node-a
if (delay > 0) {
await new Promise(resolve => setTimeout(resolve, delay));
}
return new Promise((resolve) => {
const tempCanvas = document.createElement('canvas');
const maskCanvas = document.createElement('canvas');
tempCanvas.width = this.width;
tempCanvas.height = this.height;
maskCanvas.width = this.width;
maskCanvas.height = this.height;
const tempCtx = tempCanvas.getContext('2d');
const maskCtx = maskCanvas.getContext('2d');
tempCtx.fillStyle = '#ffffff';
tempCtx.fillRect(0, 0, this.width, this.height);
// Tworzymy tymczasowy canvas do renderowania warstw i maski
const visibilityCanvas = document.createElement('canvas');
visibilityCanvas.width = this.width;
visibilityCanvas.height = this.height;
const visibilityCtx = visibilityCanvas.getContext('2d', { alpha: true });
// Czarne tło (całkowicie przezroczyste w masce)
maskCtx.fillStyle = '#ffffff'; // Białe tło dla wolnych przestrzeni
maskCtx.fillRect(0, 0, this.width, this.height);
log.debug(`Canvas contexts created, starting layer rendering`);
// Rysowanie warstw
const sortedLayers = this.layers.sort((a, b) => a.zIndex - b.zIndex);
log.debug(`Processing ${sortedLayers.length} layers in order`);
// Najpierw renderujemy wszystkie warstwy do głównego obrazu
sortedLayers.forEach((layer, index) => {
log.debug(`Processing layer ${index}: zIndex=${layer.zIndex}, size=${layer.width}x${layer.height}, pos=(${layer.x},${layer.y})`);
log.debug(`Layer ${index}: blendMode=${layer.blendMode || 'normal'}, opacity=${layer.opacity !== undefined ? layer.opacity : 1}`);
tempCtx.save();
tempCtx.globalCompositeOperation = layer.blendMode || 'normal';
tempCtx.globalAlpha = layer.opacity !== undefined ? layer.opacity : 1;
tempCtx.translate(layer.x + layer.width / 2, layer.y + layer.height / 2);
tempCtx.rotate(layer.rotation * Math.PI / 180);
tempCtx.drawImage(layer.image, -layer.width / 2, -layer.height / 2, layer.width, layer.height);
tempCtx.restore();
log.debug(`Layer ${index} rendered successfully`);
// Renderujemy również do canvas widoczności, aby śledzić, które piksele są widoczne
visibilityCtx.save();
visibilityCtx.translate(layer.x + layer.width / 2, layer.y + layer.height / 2);
visibilityCtx.rotate(layer.rotation * Math.PI / 180);
visibilityCtx.drawImage(layer.image, -layer.width / 2, -layer.height / 2, layer.width, layer.height);
visibilityCtx.restore();
});
// Teraz tworzymy maskę na podstawie widoczności pikseli, zachowując stopień przezroczystości
const visibilityData = visibilityCtx.getImageData(0, 0, this.width, this.height);
const maskData = maskCtx.getImageData(0, 0, this.width, this.height);
// Używamy wartości alpha do określenia stopnia przezroczystości w masce
for (let i = 0; i < visibilityData.data.length; i += 4) {
const alpha = visibilityData.data[i + 3];
// Odwracamy wartość alpha (255 - alpha), aby zachować logikę maski:
// - Przezroczyste piksele w obrazie (alpha = 0) -> białe w masce (255)
// - Nieprzezroczyste piksele w obrazie (alpha = 255) -> czarne w masce (0)
// - Częściowo przezroczyste piksele zachowują proporcjonalną wartość
const maskValue = 255 - alpha;
maskData.data[i] = maskData.data[i + 1] = maskData.data[i + 2] = maskValue;
maskData.data[i + 3] = 255; // Maska zawsze ma pełną nieprzezroczystość
}
maskCtx.putImageData(maskData, 0, 0);
// Nałóż maskę z narzędzia MaskTool, uwzględniając przezroczystość pędzla
const toolMaskCanvas = this.maskTool.getMask();
if (toolMaskCanvas) {
// Utwórz tymczasowy canvas, aby zachować wartości alpha maski z MaskTool
const tempMaskCanvas = document.createElement('canvas');
tempMaskCanvas.width = this.width;
tempMaskCanvas.height = this.height;
const tempMaskCtx = tempMaskCanvas.getContext('2d');
tempMaskCtx.drawImage(toolMaskCanvas, 0, 0);
const tempMaskData = tempMaskCtx.getImageData(0, 0, this.width, this.height);
// Zachowaj wartości alpha, aby obszary narysowane pędzlem były nieprzezroczyste na masce
for (let i = 0; i < tempMaskData.data.length; i += 4) {
const alpha = tempMaskData.data[i + 3];
tempMaskData.data[i] = tempMaskData.data[i + 1] = tempMaskData.data[i + 2] = 255;
tempMaskData.data[i + 3] = alpha; // Zachowaj oryginalną przezroczystość pędzla
}
tempMaskCtx.putImageData(tempMaskData, 0, 0);
// Nałóż maskę z MaskTool na maskę główną
maskCtx.globalCompositeOperation = 'source-over'; // Dodaje nieprzezroczystość tam, gdzie pędzel był użyty
maskCtx.drawImage(tempMaskCanvas, 0, 0);
}
// Zapisz obraz bez maski
const fileNameWithoutMask = fileName.replace('.png', '_without_mask.png');
log.info(`Saving image without mask as: ${fileNameWithoutMask}`);
tempCanvas.toBlob(async (blobWithoutMask) => {
log.debug(`Created blob for image without mask, size: ${blobWithoutMask.size} bytes`);
const formDataWithoutMask = new FormData();
formDataWithoutMask.append("image", blobWithoutMask, fileNameWithoutMask);
formDataWithoutMask.append("overwrite", "true");
try {
const response = await fetch("/upload/image", {
method: "POST",
body: formDataWithoutMask,
});
log.debug(`Image without mask upload response: ${response.status}`);
} catch (error) {
log.error(`Error uploading image without mask:`, error);
}
}, "image/png");
// Zapisz obraz z maską
log.info(`Saving main image as: ${fileName}`);
tempCanvas.toBlob(async (blob) => {
log.debug(`Created blob for main image, size: ${blob.size} bytes`);
const formData = new FormData();
formData.append("image", blob, fileName);
formData.append("overwrite", "true");
try {
const resp = await fetch("/upload/image", {
method: "POST",
body: formData,
});
log.debug(`Main image upload response: ${resp.status}`);
if (resp.status === 200) {
const maskFileName = fileName.replace('.png', '_mask.png');
log.info(`Saving mask as: ${maskFileName}`);
maskCanvas.toBlob(async (maskBlob) => {
log.debug(`Created blob for mask, size: ${maskBlob.size} bytes`);
const maskFormData = new FormData();
maskFormData.append("image", maskBlob, maskFileName);
maskFormData.append("overwrite", "true");
try {
const maskResp = await fetch("/upload/image", {
method: "POST",
body: maskFormData,
});
log.debug(`Mask upload response: ${maskResp.status}`);
if (maskResp.status === 200) {
const data = await resp.json();
// Ustaw widget.value na rzeczywistą nazwę zapisanego pliku (unikalną)
// aby node zwracał właściwy plik
this.widget.value = fileName;
log.info(`All files saved successfully, widget value set to: ${fileName}`);
resolve(true);
} else {
log.error(`Error saving mask: ${maskResp.status}`);
resolve(false);
}
} catch (error) {
log.error(`Error saving mask:`, error);
resolve(false);
}
}, "image/png");
} else {
log.error(`Main image upload failed: ${resp.status} - ${resp.statusText}`);
resolve(false);
}
} catch (error) {
log.error(`Error uploading main image:`, error);
resolve(false);
}
}, "image/png");
});
}
async getFlattenedCanvasAsBlob() {
return this.canvasLayers.getFlattenedCanvasAsBlob();
}
async getFlattenedSelectionAsBlob() {
return this.canvasLayers.getFlattenedSelectionAsBlob();
}
moveLayerUp() {
return this.canvasLayers.moveLayerUp();
}
moveLayerDown() {
return this.canvasLayers.moveLayerDown();
}
getLayerAtPosition(worldX, worldY) {
return this.canvasLayers.getLayerAtPosition(worldX, worldY);
}
getResizeHandle(x, y) {
return this.canvasLayers.getResizeHandle(x, y);
}
async mirrorHorizontal() {
return this.canvasLayers.mirrorHorizontal();
}
async mirrorVertical() {
return this.canvasLayers.mirrorVertical();
}
async getLayerImageData(layer) {
return this.canvasLayers.getLayerImageData(layer);
}
addMattedLayer(image, mask) {
return this.canvasLayers.addMattedLayer(image, mask);
}
processInputData(nodeData) {
if (nodeData.input_image) {
this.addInputImage(nodeData.input_image);
}
if (nodeData.input_mask) {
this.addInputMask(nodeData.input_mask);
}
}
addInputImage(imageData) {
const layer = new ImageLayer(imageData);
this.layers.push(layer);
this.updateCanvas();
}
addInputMask(maskData) {
if (this.inputImage) {
const mask = new MaskLayer(maskData);
mask.linkToLayer(this.inputImage);
this.masks.push(mask);
this.updateCanvas();
}
}
async addInputToCanvas(inputImage, inputMask) {
try {
log.debug("Adding input to canvas:", {inputImage});
const tempCanvas = document.createElement('canvas');
const tempCtx = tempCanvas.getContext('2d');
tempCanvas.width = inputImage.width;
tempCanvas.height = inputImage.height;
const imgData = new ImageData(
inputImage.data,
inputImage.width,
inputImage.height
);
tempCtx.putImageData(imgData, 0, 0);
const image = new Image();
await new Promise((resolve, reject) => {
image.onload = resolve;
image.onerror = reject;
image.src = tempCanvas.toDataURL();
});
const scale = Math.min(
this.width / inputImage.width * 0.8,
this.height / inputImage.height * 0.8
);
const layer = await this.addLayerWithImage(image, {
x: (this.width - inputImage.width * scale) / 2,
y: (this.height - inputImage.height * scale) / 2,
width: inputImage.width * scale,
height: inputImage.height * scale,
});
if (inputMask) {
layer.mask = inputMask.data;
}
log.info("Layer added successfully");
return true;
} catch (error) {
log.error("Error in addInputToCanvas:", error);
throw error;
}
}
async convertTensorToImage(tensor) {
try {
log.debug("Converting tensor to image:", tensor);
if (!tensor || !tensor.data || !tensor.width || !tensor.height) {
throw new Error("Invalid tensor data");
}
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
canvas.width = tensor.width;
canvas.height = tensor.height;
const imageData = new ImageData(
new Uint8ClampedArray(tensor.data),
tensor.width,
tensor.height
);
ctx.putImageData(imageData, 0, 0);
return new Promise((resolve, reject) => {
const img = new Image();
img.onload = () => resolve(img);
img.onerror = (e) => reject(new Error("Failed to load image: " + e));
img.src = canvas.toDataURL();
});
} catch (error) {
log.error("Error converting tensor to image:", error);
throw error;
}
}
async convertTensorToMask(tensor) {
if (!tensor || !tensor.data) {
throw new Error("Invalid mask tensor");
}
try {
return new Float32Array(tensor.data);
} catch (error) {
throw new Error(`Mask conversion failed: ${error.message}`);
}
}
async initNodeData() {
try {
log.info("Starting node data initialization...");
if (!this.node || !this.node.inputs) {
log.debug("Node or inputs not ready");
return this.scheduleDataCheck();
}
if (this.node.inputs[0] && this.node.inputs[0].link) {
const imageLinkId = this.node.inputs[0].link;
const imageData = app.nodeOutputs[imageLinkId];
if (imageData) {
log.debug("Found image data:", imageData);
await this.processImageData(imageData);
this.dataInitialized = true;
} else {
log.debug("Image data not available yet");
return this.scheduleDataCheck();
}
}
if (this.node.inputs[1] && this.node.inputs[1].link) {
const maskLinkId = this.node.inputs[1].link;
const maskData = app.nodeOutputs[maskLinkId];
if (maskData) {
log.debug("Found mask data:", maskData);
await this.processMaskData(maskData);
}
}
} catch (error) {
log.error("Error in initNodeData:", error);
return this.scheduleDataCheck();
}
}
scheduleDataCheck() {
if (this.pendingDataCheck) {
clearTimeout(this.pendingDataCheck);
}
this.pendingDataCheck = setTimeout(() => {
this.pendingDataCheck = null;
if (!this.dataInitialized) {
this.initNodeData();
}
}, 1000);
}
async processImageData(imageData) {
try {
if (!imageData) return;
log.debug("Processing image data:", {
type: typeof imageData,
isArray: Array.isArray(imageData),
shape: imageData.shape,
hasData: !!imageData.data
});
if (Array.isArray(imageData)) {
imageData = imageData[0];
}
if (!imageData.shape || !imageData.data) {
throw new Error("Invalid image data format");
}
const originalWidth = imageData.shape[2];
const originalHeight = imageData.shape[1];
const scale = Math.min(
this.width / originalWidth * 0.8,
this.height / originalHeight * 0.8
);
const convertedData = this.convertTensorToImageData(imageData);
if (convertedData) {
const image = await this.createImageFromData(convertedData);
this.addScaledLayer(image, scale);
log.info("Image layer added successfully with scale:", scale);
}
} catch (error) {
log.error("Error processing image data:", error);
throw error;
}
}
addScaledLayer(image, scale) {
try {
const scaledWidth = image.width * scale;
const scaledHeight = image.height * scale;
const layer = {
image: image,
x: (this.width - scaledWidth) / 2,
y: (this.height - scaledHeight) / 2,
width: scaledWidth,
height: scaledHeight,
rotation: 0,
zIndex: this.layers.length,
originalWidth: image.width,
originalHeight: image.height
};
this.layers.push(layer);
this.selectedLayer = layer;
this.render();
log.debug("Scaled layer added:", {
originalSize: `${image.width}x${image.height}`,
scaledSize: `${scaledWidth}x${scaledHeight}`,
scale: scale
});
} catch (error) {
log.error("Error adding scaled layer:", error);
throw error;
}
}
convertTensorToImageData(tensor) {
try {
const shape = tensor.shape;
const height = shape[1];
const width = shape[2];
const channels = shape[3];
log.debug("Converting tensor:", {
shape: shape,
dataRange: {
min: tensor.min_val,
max: tensor.max_val
}
});
const imageData = new ImageData(width, height);
const data = new Uint8ClampedArray(width * height * 4);
const flatData = tensor.data;
const pixelCount = width * height;
for (let i = 0; i < pixelCount; i++) {
const pixelIndex = i * 4;
const tensorIndex = i * channels;
for (let c = 0; c < channels; c++) {
const value = flatData[tensorIndex + c];
const normalizedValue = (value - tensor.min_val) / (tensor.max_val - tensor.min_val);
data[pixelIndex + c] = Math.round(normalizedValue * 255);
}
data[pixelIndex + 3] = 255;
}
imageData.data.set(data);
return imageData;
} catch (error) {
log.error("Error converting tensor:", error);
return null;
}
}
async createImageFromData(imageData) {
return new Promise((resolve, reject) => {
const canvas = document.createElement('canvas');
canvas.width = imageData.width;
canvas.height = imageData.height;
const ctx = canvas.getContext('2d');
ctx.putImageData(imageData, 0, 0);
const img = new Image();
img.onload = () => resolve(img);
img.onerror = reject;
img.src = canvas.toDataURL();
});
}
async retryDataLoad(maxRetries = 3, delay = 1000) {
for (let i = 0; i < maxRetries; i++) {
try {
await this.initNodeData();
return;
} catch (error) {
log.warn(`Retry ${i + 1}/${maxRetries} failed:`, error);
if (i < maxRetries - 1) {
await new Promise(resolve => setTimeout(resolve, delay));
}
}
}
log.error("Failed to load data after", maxRetries, "retries");
}
async processMaskData(maskData) {
try {
if (!maskData) return;
log.debug("Processing mask data:", maskData);
if (Array.isArray(maskData)) {
maskData = maskData[0];
}
if (!maskData.shape || !maskData.data) {
throw new Error("Invalid mask data format");
}
if (this.selectedLayer) {
const maskTensor = await this.convertTensorToMask(maskData);
this.selectedLayer.mask = maskTensor;
this.render();
log.info("Mask applied to selected layer");
}
} catch (error) {
log.error("Error processing mask data:", error);
}
}
async loadImageFromCache(base64Data) {
return new Promise((resolve, reject) => {
const img = new Image();
img.onload = () => resolve(img);
img.onerror = reject;
img.src = base64Data;
});
}
async importImage(cacheData) {
try {
log.info("Starting image import with cache data");
const img = await this.loadImageFromCache(cacheData.image);
const mask = cacheData.mask ? await this.loadImageFromCache(cacheData.mask) : null;
const scale = Math.min(
this.width / img.width * 0.8,
this.height / img.height * 0.8
);
const tempCanvas = document.createElement('canvas');
tempCanvas.width = img.width;
tempCanvas.height = img.height;
const tempCtx = tempCanvas.getContext('2d');
tempCtx.drawImage(img, 0, 0);
if (mask) {
const imageData = tempCtx.getImageData(0, 0, img.width, img.height);
const maskCanvas = document.createElement('canvas');
maskCanvas.width = img.width;
maskCanvas.height = img.height;
const maskCtx = maskCanvas.getContext('2d');
maskCtx.drawImage(mask, 0, 0);
const maskData = maskCtx.getImageData(0, 0, img.width, img.height);
for (let i = 0; i < imageData.data.length; i += 4) {
imageData.data[i + 3] = maskData.data[i];
}
tempCtx.putImageData(imageData, 0, 0);
}
const finalImage = new Image();
await new Promise((resolve) => {
finalImage.onload = resolve;
finalImage.src = tempCanvas.toDataURL();
});
const layer = {
image: finalImage,
x: (this.width - img.width * scale) / 2,
y: (this.height - img.height * scale) / 2,
width: img.width * scale,
height: img.height * scale,
rotation: 0,
zIndex: this.layers.length
};
this.layers.push(layer);
this.selectedLayer = layer;
this.render();
} catch (error) {
log.error('Error importing image:', error);
}
}
async importLatestImage() {
try {
log.info("Fetching latest image from server...");
const response = await fetch('/ycnode/get_latest_image');
const result = await response.json();
if (result.success && result.image_data) {
log.info("Latest image received, adding to canvas.");
const img = new Image();
await new Promise((resolve, reject) => {
img.onload = resolve;
img.onerror = reject;
img.src = result.image_data;
});
await this.addLayerWithImage(img, {
x: 0,
y: 0,
width: this.width,
height: this.height,
});
log.info("Latest image imported and placed on canvas successfully.");
return true;
} else {
throw new Error(result.error || "Failed to fetch the latest image.");
}
} catch (error) {
log.error("Error importing latest image:", error);
alert(`Failed to import latest image: ${error.message}`);
return false;
}
}
showBlendModeMenu(x, y) {
return this.canvasLayers.showBlendModeMenu(x, y);
}
handleBlendModeSelection(mode) {
return this.canvasLayers.handleBlendModeSelection(mode);
}
showOpacitySlider(mode) {
return this.canvasLayers.showOpacitySlider(mode);
}
applyBlendMode(mode, opacity) {
return this.canvasLayers.applyBlendMode(mode, opacity);
}
}