Files
ComfyUI_frontend/src/extensions/core/maskeditor.ts
Chenlei Hu acdaa6a594 Format all code / Add pre-commit format hook (#81)
* Add format-guard

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2024-07-02 13:22:37 -04:00

1074 lines
31 KiB
TypeScript

import { app } from "../../scripts/app";
import { ComfyDialog, $el } from "../../scripts/ui";
import { ComfyApp } from "../../scripts/app";
import { api } from "../../scripts/api";
import { ClipspaceDialog } from "./clipspace";
// Helper function to convert a data URL to a Blob object
function dataURLToBlob(dataURL) {
const parts = dataURL.split(";base64,");
const contentType = parts[0].split(":")[1];
const byteString = atob(parts[1]);
const arrayBuffer = new ArrayBuffer(byteString.length);
const uint8Array = new Uint8Array(arrayBuffer);
for (let i = 0; i < byteString.length; i++) {
uint8Array[i] = byteString.charCodeAt(i);
}
return new Blob([arrayBuffer], { type: contentType });
}
function loadedImageToBlob(image) {
const canvas = document.createElement("canvas");
canvas.width = image.width;
canvas.height = image.height;
const ctx = canvas.getContext("2d");
ctx.drawImage(image, 0, 0);
const dataURL = canvas.toDataURL("image/png", 1);
const blob = dataURLToBlob(dataURL);
return blob;
}
function loadImage(imagePath) {
return new Promise((resolve, reject) => {
const image = new Image();
image.onload = function () {
resolve(image);
};
image.src = imagePath;
});
}
async function uploadMask(filepath, formData) {
await api
.fetchApi("/upload/mask", {
method: "POST",
body: formData,
})
.then((response) => {})
.catch((error) => {
console.error("Error:", error);
});
ComfyApp.clipspace.imgs[ComfyApp.clipspace["selectedIndex"]] = new Image();
ComfyApp.clipspace.imgs[ComfyApp.clipspace["selectedIndex"]].src = api.apiURL(
"/view?" +
new URLSearchParams(filepath).toString() +
app.getPreviewFormatParam() +
app.getRandParam()
);
if (ComfyApp.clipspace.images)
ComfyApp.clipspace.images[ComfyApp.clipspace["selectedIndex"]] = filepath;
ClipspaceDialog.invalidatePreview();
}
function prepare_mask(image, maskCanvas, maskCtx, maskColor) {
// paste mask data into alpha channel
maskCtx.drawImage(image, 0, 0, maskCanvas.width, maskCanvas.height);
const maskData = maskCtx.getImageData(
0,
0,
maskCanvas.width,
maskCanvas.height
);
// invert mask
for (let i = 0; i < maskData.data.length; i += 4) {
if (maskData.data[i + 3] == 255) maskData.data[i + 3] = 0;
else maskData.data[i + 3] = 255;
maskData.data[i] = maskColor.r;
maskData.data[i + 1] = maskColor.g;
maskData.data[i + 2] = maskColor.b;
}
maskCtx.globalCompositeOperation = "source-over";
maskCtx.putImageData(maskData, 0, 0);
}
class MaskEditorDialog extends ComfyDialog {
static instance = null;
static mousedown_x: number | null = null;
static mousedown_y: number | null = null;
brush: HTMLDivElement;
maskCtx: any;
maskCanvas: HTMLCanvasElement;
brush_size_slider: HTMLDivElement;
brush_opacity_slider: HTMLDivElement;
colorButton: HTMLButtonElement;
saveButton: HTMLButtonElement;
zoom_ratio: number;
pan_x: number;
pan_y: number;
imgCanvas: HTMLCanvasElement;
last_display_style: string;
is_visible: boolean;
image: HTMLImageElement;
handler_registered: boolean;
brush_slider_input: HTMLInputElement;
cursorX: number;
cursorY: number;
mousedown_pan_x: number;
mousedown_pan_y: number;
last_pressure: number;
static getInstance() {
if (!MaskEditorDialog.instance) {
MaskEditorDialog.instance = new MaskEditorDialog();
}
return MaskEditorDialog.instance;
}
is_layout_created = false;
constructor() {
super();
this.element = $el("div.comfy-modal", { parent: document.body }, [
$el("div.comfy-modal-content", [...this.createButtons()]),
]);
}
createButtons() {
return [];
}
createButton(name, callback): HTMLButtonElement {
var button = document.createElement("button");
button.style.pointerEvents = "auto";
button.innerText = name;
button.addEventListener("click", callback);
return button;
}
createLeftButton(name, callback) {
var button = this.createButton(name, callback);
button.style.cssFloat = "left";
button.style.marginRight = "4px";
return button;
}
createRightButton(name, callback) {
var button = this.createButton(name, callback);
button.style.cssFloat = "right";
button.style.marginLeft = "4px";
return button;
}
createLeftSlider(self, name, callback): HTMLDivElement {
const divElement = document.createElement("div");
divElement.id = "maskeditor-slider";
divElement.style.cssFloat = "left";
divElement.style.fontFamily = "sans-serif";
divElement.style.marginRight = "4px";
divElement.style.color = "var(--input-text)";
divElement.style.backgroundColor = "var(--comfy-input-bg)";
divElement.style.borderRadius = "8px";
divElement.style.borderColor = "var(--border-color)";
divElement.style.borderStyle = "solid";
divElement.style.fontSize = "15px";
divElement.style.height = "21px";
divElement.style.padding = "1px 6px";
divElement.style.display = "flex";
divElement.style.position = "relative";
divElement.style.top = "2px";
divElement.style.pointerEvents = "auto";
self.brush_slider_input = document.createElement("input");
self.brush_slider_input.setAttribute("type", "range");
self.brush_slider_input.setAttribute("min", "1");
self.brush_slider_input.setAttribute("max", "100");
self.brush_slider_input.setAttribute("value", "10");
const labelElement = document.createElement("label");
labelElement.textContent = name;
divElement.appendChild(labelElement);
divElement.appendChild(self.brush_slider_input);
self.brush_slider_input.addEventListener("change", callback);
return divElement;
}
createOpacitySlider(self, name, callback): HTMLDivElement {
const divElement = document.createElement("div");
divElement.id = "maskeditor-opacity-slider";
divElement.style.cssFloat = "left";
divElement.style.fontFamily = "sans-serif";
divElement.style.marginRight = "4px";
divElement.style.color = "var(--input-text)";
divElement.style.backgroundColor = "var(--comfy-input-bg)";
divElement.style.borderRadius = "8px";
divElement.style.borderColor = "var(--border-color)";
divElement.style.borderStyle = "solid";
divElement.style.fontSize = "15px";
divElement.style.height = "21px";
divElement.style.padding = "1px 6px";
divElement.style.display = "flex";
divElement.style.position = "relative";
divElement.style.top = "2px";
divElement.style.pointerEvents = "auto";
self.opacity_slider_input = document.createElement("input");
self.opacity_slider_input.setAttribute("type", "range");
self.opacity_slider_input.setAttribute("min", "0.1");
self.opacity_slider_input.setAttribute("max", "1.0");
self.opacity_slider_input.setAttribute("step", "0.01");
self.opacity_slider_input.setAttribute("value", "0.7");
const labelElement = document.createElement("label");
labelElement.textContent = name;
divElement.appendChild(labelElement);
divElement.appendChild(self.opacity_slider_input);
self.opacity_slider_input.addEventListener("input", callback);
return divElement;
}
setlayout(imgCanvas: HTMLCanvasElement, maskCanvas: HTMLCanvasElement) {
const self = this;
// If it is specified as relative, using it only as a hidden placeholder for padding is recommended
// to prevent anomalies where it exceeds a certain size and goes outside of the window.
var bottom_panel = document.createElement("div");
bottom_panel.style.position = "absolute";
bottom_panel.style.bottom = "0px";
bottom_panel.style.left = "20px";
bottom_panel.style.right = "20px";
bottom_panel.style.height = "50px";
bottom_panel.style.pointerEvents = "none";
var brush = document.createElement("div");
brush.id = "brush";
brush.style.backgroundColor = "transparent";
brush.style.outline = "1px dashed black";
brush.style.boxShadow = "0 0 0 1px white";
brush.style.borderRadius = "50%";
// @ts-ignore
brush.style.MozBorderRadius = "50%";
// @ts-ignore
brush.style.WebkitBorderRadius = "50%";
brush.style.position = "absolute";
brush.style.zIndex = "8889";
brush.style.pointerEvents = "none";
this.brush = brush;
this.element.appendChild(imgCanvas);
this.element.appendChild(maskCanvas);
this.element.appendChild(bottom_panel);
document.body.appendChild(brush);
var clearButton = this.createLeftButton("Clear", () => {
self.maskCtx.clearRect(
0,
0,
self.maskCanvas.width,
self.maskCanvas.height
);
});
this.brush_size_slider = this.createLeftSlider(
self,
"Thickness",
(event) => {
self.brush_size = event.target.value;
self.updateBrushPreview(self);
}
);
this.brush_opacity_slider = this.createOpacitySlider(
self,
"Opacity",
(event) => {
self.brush_opacity = event.target.value;
if (self.brush_color_mode !== "negative") {
self.maskCanvas.style.opacity = self.brush_opacity.toString();
}
}
);
this.colorButton = this.createLeftButton(this.getColorButtonText(), () => {
if (self.brush_color_mode === "black") {
self.brush_color_mode = "white";
} else if (self.brush_color_mode === "white") {
self.brush_color_mode = "negative";
} else {
self.brush_color_mode = "black";
}
self.updateWhenBrushColorModeChanged();
});
var cancelButton = this.createRightButton("Cancel", () => {
document.removeEventListener("keydown", MaskEditorDialog.handleKeyDown);
self.close();
});
this.saveButton = this.createRightButton("Save", () => {
document.removeEventListener("keydown", MaskEditorDialog.handleKeyDown);
self.save();
});
this.element.appendChild(imgCanvas);
this.element.appendChild(maskCanvas);
this.element.appendChild(bottom_panel);
bottom_panel.appendChild(clearButton);
bottom_panel.appendChild(this.saveButton);
bottom_panel.appendChild(cancelButton);
bottom_panel.appendChild(this.brush_size_slider);
bottom_panel.appendChild(this.brush_opacity_slider);
bottom_panel.appendChild(this.colorButton);
imgCanvas.style.position = "absolute";
maskCanvas.style.position = "absolute";
imgCanvas.style.top = "200";
imgCanvas.style.left = "0";
maskCanvas.style.top = imgCanvas.style.top;
maskCanvas.style.left = imgCanvas.style.left;
const maskCanvasStyle = this.getMaskCanvasStyle();
maskCanvas.style.mixBlendMode = maskCanvasStyle.mixBlendMode;
maskCanvas.style.opacity = maskCanvasStyle.opacity.toString();
}
async show() {
this.zoom_ratio = 1.0;
this.pan_x = 0;
this.pan_y = 0;
if (!this.is_layout_created) {
// layout
const imgCanvas = document.createElement("canvas");
const maskCanvas = document.createElement("canvas");
imgCanvas.id = "imageCanvas";
maskCanvas.id = "maskCanvas";
this.setlayout(imgCanvas, maskCanvas);
// prepare content
this.imgCanvas = imgCanvas;
this.maskCanvas = maskCanvas;
this.maskCtx = maskCanvas.getContext("2d", { willReadFrequently: true });
this.setEventHandler(maskCanvas);
this.is_layout_created = true;
// replacement of onClose hook since close is not real close
const self = this;
const observer = new MutationObserver(function (mutations) {
mutations.forEach(function (mutation) {
if (
mutation.type === "attributes" &&
mutation.attributeName === "style"
) {
if (
self.last_display_style &&
self.last_display_style != "none" &&
self.element.style.display == "none"
) {
self.brush.style.display = "none";
ComfyApp.onClipspaceEditorClosed();
}
self.last_display_style = self.element.style.display;
}
});
});
const config = { attributes: true };
observer.observe(this.element, config);
}
// The keydown event needs to be reconfigured when closing the dialog as it gets removed.
document.addEventListener("keydown", MaskEditorDialog.handleKeyDown);
if (ComfyApp.clipspace_return_node) {
this.saveButton.innerText = "Save to node";
} else {
this.saveButton.innerText = "Save";
}
this.saveButton.disabled = false;
this.element.style.display = "block";
this.element.style.width = "85%";
this.element.style.margin = "0 7.5%";
this.element.style.height = "100vh";
this.element.style.top = "50%";
this.element.style.left = "42%";
this.element.style.zIndex = "8888"; // NOTE: alert dialog must be high priority.
await this.setImages(this.imgCanvas);
this.is_visible = true;
}
isOpened() {
return this.element.style.display == "block";
}
invalidateCanvas(orig_image, mask_image) {
this.imgCanvas.width = orig_image.width;
this.imgCanvas.height = orig_image.height;
this.maskCanvas.width = orig_image.width;
this.maskCanvas.height = orig_image.height;
let imgCtx = this.imgCanvas.getContext("2d", { willReadFrequently: true });
let maskCtx = this.maskCanvas.getContext("2d", {
willReadFrequently: true,
});
imgCtx.drawImage(orig_image, 0, 0, orig_image.width, orig_image.height);
prepare_mask(mask_image, this.maskCanvas, maskCtx, this.getMaskColor());
}
async setImages(imgCanvas) {
let self = this;
const imgCtx = imgCanvas.getContext("2d", { willReadFrequently: true });
const maskCtx = this.maskCtx;
const maskCanvas = this.maskCanvas;
imgCtx.clearRect(0, 0, this.imgCanvas.width, this.imgCanvas.height);
maskCtx.clearRect(0, 0, this.maskCanvas.width, this.maskCanvas.height);
// image load
const filepath = ComfyApp.clipspace.images;
const alpha_url = new URL(
ComfyApp.clipspace.imgs[ComfyApp.clipspace["selectedIndex"]].src
);
alpha_url.searchParams.delete("channel");
alpha_url.searchParams.delete("preview");
alpha_url.searchParams.set("channel", "a");
let mask_image = await loadImage(alpha_url);
// original image load
const rgb_url = new URL(
ComfyApp.clipspace.imgs[ComfyApp.clipspace["selectedIndex"]].src
);
rgb_url.searchParams.delete("channel");
rgb_url.searchParams.set("channel", "rgb");
this.image = new Image();
this.image.onload = function () {
maskCanvas.width = self.image.width;
maskCanvas.height = self.image.height;
self.invalidateCanvas(self.image, mask_image);
self.initializeCanvasPanZoom();
};
this.image.src = rgb_url.toString();
}
initializeCanvasPanZoom() {
// set initialize
let drawWidth = this.image.width;
let drawHeight = this.image.height;
let width = this.element.clientWidth;
let height = this.element.clientHeight;
if (this.image.width > width) {
drawWidth = width;
drawHeight = (drawWidth / this.image.width) * this.image.height;
}
if (drawHeight > height) {
drawHeight = height;
drawWidth = (drawHeight / this.image.height) * this.image.width;
}
this.zoom_ratio = drawWidth / this.image.width;
const canvasX = (width - drawWidth) / 2;
const canvasY = (height - drawHeight) / 2;
this.pan_x = canvasX;
this.pan_y = canvasY;
this.invalidatePanZoom();
}
invalidatePanZoom() {
let raw_width = this.image.width * this.zoom_ratio;
let raw_height = this.image.height * this.zoom_ratio;
if (this.pan_x + raw_width < 10) {
this.pan_x = 10 - raw_width;
}
if (this.pan_y + raw_height < 10) {
this.pan_y = 10 - raw_height;
}
let width = `${raw_width}px`;
let height = `${raw_height}px`;
let left = `${this.pan_x}px`;
let top = `${this.pan_y}px`;
this.maskCanvas.style.width = width;
this.maskCanvas.style.height = height;
this.maskCanvas.style.left = left;
this.maskCanvas.style.top = top;
this.imgCanvas.style.width = width;
this.imgCanvas.style.height = height;
this.imgCanvas.style.left = left;
this.imgCanvas.style.top = top;
}
setEventHandler(maskCanvas) {
const self = this;
if (!this.handler_registered) {
maskCanvas.addEventListener("contextmenu", (event) => {
event.preventDefault();
});
this.element.addEventListener("wheel", (event) =>
this.handleWheelEvent(self, event)
);
this.element.addEventListener("pointermove", (event) =>
this.pointMoveEvent(self, event)
);
this.element.addEventListener("touchmove", (event) =>
this.pointMoveEvent(self, event)
);
this.element.addEventListener("dragstart", (event) => {
if (event.ctrlKey) {
event.preventDefault();
}
});
maskCanvas.addEventListener("pointerdown", (event) =>
this.handlePointerDown(self, event)
);
maskCanvas.addEventListener("pointermove", (event) =>
this.draw_move(self, event)
);
maskCanvas.addEventListener("touchmove", (event) =>
this.draw_move(self, event)
);
maskCanvas.addEventListener("pointerover", (event) => {
this.brush.style.display = "block";
});
maskCanvas.addEventListener("pointerleave", (event) => {
this.brush.style.display = "none";
});
document.addEventListener("pointerup", MaskEditorDialog.handlePointerUp);
this.handler_registered = true;
}
}
getMaskCanvasStyle() {
if (this.brush_color_mode === "negative") {
return {
mixBlendMode: "difference",
opacity: "1",
};
} else {
return {
mixBlendMode: "initial",
opacity: this.brush_opacity,
};
}
}
getMaskColor() {
if (this.brush_color_mode === "black") {
return { r: 0, g: 0, b: 0 };
}
if (this.brush_color_mode === "white") {
return { r: 255, g: 255, b: 255 };
}
if (this.brush_color_mode === "negative") {
// negative effect only works with white color
return { r: 255, g: 255, b: 255 };
}
return { r: 0, g: 0, b: 0 };
}
getMaskFillStyle() {
const maskColor = this.getMaskColor();
return "rgb(" + maskColor.r + "," + maskColor.g + "," + maskColor.b + ")";
}
getColorButtonText() {
let colorCaption = "unknown";
if (this.brush_color_mode === "black") {
colorCaption = "black";
} else if (this.brush_color_mode === "white") {
colorCaption = "white";
} else if (this.brush_color_mode === "negative") {
colorCaption = "negative";
}
return "Color: " + colorCaption;
}
updateWhenBrushColorModeChanged() {
this.colorButton.innerText = this.getColorButtonText();
// update mask canvas css styles
const maskCanvasStyle = this.getMaskCanvasStyle();
this.maskCanvas.style.mixBlendMode = maskCanvasStyle.mixBlendMode;
this.maskCanvas.style.opacity = maskCanvasStyle.opacity.toString();
// update mask canvas rgb colors
const maskColor = this.getMaskColor();
const maskData = this.maskCtx.getImageData(
0,
0,
this.maskCanvas.width,
this.maskCanvas.height
);
for (let i = 0; i < maskData.data.length; i += 4) {
maskData.data[i] = maskColor.r;
maskData.data[i + 1] = maskColor.g;
maskData.data[i + 2] = maskColor.b;
}
this.maskCtx.putImageData(maskData, 0, 0);
}
brush_opacity = 0.7;
brush_size = 10;
brush_color_mode = "black";
drawing_mode = false;
lastx = -1;
lasty = -1;
lasttime = 0;
static handleKeyDown(event) {
const self = MaskEditorDialog.instance;
if (event.key === "]") {
self.brush_size = Math.min(self.brush_size + 2, 100);
self.brush_slider_input.value = self.brush_size;
} else if (event.key === "[") {
self.brush_size = Math.max(self.brush_size - 2, 1);
self.brush_slider_input.value = self.brush_size;
} else if (event.key === "Enter") {
self.save();
}
self.updateBrushPreview(self);
}
static handlePointerUp(event) {
event.preventDefault();
this.mousedown_x = null;
this.mousedown_y = null;
MaskEditorDialog.instance.drawing_mode = false;
}
updateBrushPreview(self) {
const brush = self.brush;
var centerX = self.cursorX;
var centerY = self.cursorY;
brush.style.width = self.brush_size * 2 * this.zoom_ratio + "px";
brush.style.height = self.brush_size * 2 * this.zoom_ratio + "px";
brush.style.left = centerX - self.brush_size * this.zoom_ratio + "px";
brush.style.top = centerY - self.brush_size * this.zoom_ratio + "px";
}
handleWheelEvent(self, event) {
event.preventDefault();
if (event.ctrlKey) {
// zoom canvas
if (event.deltaY < 0) {
this.zoom_ratio = Math.min(10.0, this.zoom_ratio + 0.2);
} else {
this.zoom_ratio = Math.max(0.2, this.zoom_ratio - 0.2);
}
this.invalidatePanZoom();
} else {
// adjust brush size
if (event.deltaY < 0)
this.brush_size = Math.min(this.brush_size + 2, 100);
else this.brush_size = Math.max(this.brush_size - 2, 1);
this.brush_slider_input.value = this.brush_size.toString();
this.updateBrushPreview(this);
}
}
pointMoveEvent(self, event) {
this.cursorX = event.pageX;
this.cursorY = event.pageY;
self.updateBrushPreview(self);
if (event.ctrlKey) {
event.preventDefault();
self.pan_move(self, event);
}
let left_button_down =
(window.TouchEvent && event instanceof TouchEvent) || event.buttons == 1;
if (event.shiftKey && left_button_down) {
self.drawing_mode = false;
const y = event.clientY;
let delta = (self.zoom_lasty - y) * 0.005;
self.zoom_ratio = Math.max(
Math.min(10.0, self.last_zoom_ratio - delta),
0.2
);
this.invalidatePanZoom();
return;
}
}
pan_move(self, event) {
if (event.buttons == 1) {
if (MaskEditorDialog.mousedown_x) {
let deltaX = MaskEditorDialog.mousedown_x - event.clientX;
let deltaY = MaskEditorDialog.mousedown_y - event.clientY;
self.pan_x = this.mousedown_pan_x - deltaX;
self.pan_y = this.mousedown_pan_y - deltaY;
self.invalidatePanZoom();
}
}
}
draw_move(self, event) {
if (event.ctrlKey || event.shiftKey) {
return;
}
event.preventDefault();
this.cursorX = event.pageX;
this.cursorY = event.pageY;
self.updateBrushPreview(self);
let left_button_down =
(window.TouchEvent && event instanceof TouchEvent) || event.buttons == 1;
let right_button_down = [2, 5, 32].includes(event.buttons);
if (!event.altKey && left_button_down) {
var diff = performance.now() - self.lasttime;
const maskRect = self.maskCanvas.getBoundingClientRect();
var x = event.offsetX;
var y = event.offsetY;
if (event.offsetX == null) {
x = event.targetTouches[0].clientX - maskRect.left;
}
if (event.offsetY == null) {
y = event.targetTouches[0].clientY - maskRect.top;
}
x /= self.zoom_ratio;
y /= self.zoom_ratio;
var brush_size = this.brush_size;
if (event instanceof PointerEvent && event.pointerType == "pen") {
brush_size *= event.pressure;
this.last_pressure = event.pressure;
} else if (
window.TouchEvent &&
event instanceof TouchEvent &&
diff < 20
) {
// The firing interval of PointerEvents in Pen is unreliable, so it is supplemented by TouchEvents.
brush_size *= this.last_pressure;
} else {
brush_size = this.brush_size;
}
if (diff > 20 && !this.drawing_mode)
requestAnimationFrame(() => {
self.maskCtx.beginPath();
self.maskCtx.fillStyle = this.getMaskFillStyle();
self.maskCtx.globalCompositeOperation = "source-over";
self.maskCtx.arc(x, y, brush_size, 0, Math.PI * 2, false);
self.maskCtx.fill();
self.lastx = x;
self.lasty = y;
});
else
requestAnimationFrame(() => {
self.maskCtx.beginPath();
self.maskCtx.fillStyle = this.getMaskFillStyle();
self.maskCtx.globalCompositeOperation = "source-over";
var dx = x - self.lastx;
var dy = y - self.lasty;
var distance = Math.sqrt(dx * dx + dy * dy);
var directionX = dx / distance;
var directionY = dy / distance;
for (var i = 0; i < distance; i += 5) {
var px = self.lastx + directionX * i;
var py = self.lasty + directionY * i;
self.maskCtx.arc(px, py, brush_size, 0, Math.PI * 2, false);
self.maskCtx.fill();
}
self.lastx = x;
self.lasty = y;
});
self.lasttime = performance.now();
} else if ((event.altKey && left_button_down) || right_button_down) {
const maskRect = self.maskCanvas.getBoundingClientRect();
const x =
(event.offsetX || event.targetTouches[0].clientX - maskRect.left) /
self.zoom_ratio;
const y =
(event.offsetY || event.targetTouches[0].clientY - maskRect.top) /
self.zoom_ratio;
var brush_size = this.brush_size;
if (event instanceof PointerEvent && event.pointerType == "pen") {
brush_size *= event.pressure;
this.last_pressure = event.pressure;
} else if (
window.TouchEvent &&
event instanceof TouchEvent &&
diff < 20
) {
brush_size *= this.last_pressure;
} else {
brush_size = this.brush_size;
}
if (diff > 20 && !this.drawing_mode)
// cannot tracking drawing_mode for touch event
requestAnimationFrame(() => {
self.maskCtx.beginPath();
self.maskCtx.globalCompositeOperation = "destination-out";
self.maskCtx.arc(x, y, brush_size, 0, Math.PI * 2, false);
self.maskCtx.fill();
self.lastx = x;
self.lasty = y;
});
else
requestAnimationFrame(() => {
self.maskCtx.beginPath();
self.maskCtx.globalCompositeOperation = "destination-out";
var dx = x - self.lastx;
var dy = y - self.lasty;
var distance = Math.sqrt(dx * dx + dy * dy);
var directionX = dx / distance;
var directionY = dy / distance;
for (var i = 0; i < distance; i += 5) {
var px = self.lastx + directionX * i;
var py = self.lasty + directionY * i;
self.maskCtx.arc(px, py, brush_size, 0, Math.PI * 2, false);
self.maskCtx.fill();
}
self.lastx = x;
self.lasty = y;
});
self.lasttime = performance.now();
}
}
handlePointerDown(self, event) {
if (event.ctrlKey) {
if (event.buttons == 1) {
MaskEditorDialog.mousedown_x = event.clientX;
MaskEditorDialog.mousedown_y = event.clientY;
this.mousedown_pan_x = this.pan_x;
this.mousedown_pan_y = this.pan_y;
}
return;
}
var brush_size = this.brush_size;
if (event instanceof PointerEvent && event.pointerType == "pen") {
brush_size *= event.pressure;
this.last_pressure = event.pressure;
}
if ([0, 2, 5].includes(event.button)) {
self.drawing_mode = true;
event.preventDefault();
if (event.shiftKey) {
self.zoom_lasty = event.clientY;
self.last_zoom_ratio = self.zoom_ratio;
return;
}
const maskRect = self.maskCanvas.getBoundingClientRect();
const x =
(event.offsetX || event.targetTouches[0].clientX - maskRect.left) /
self.zoom_ratio;
const y =
(event.offsetY || event.targetTouches[0].clientY - maskRect.top) /
self.zoom_ratio;
self.maskCtx.beginPath();
if (!event.altKey && event.button == 0) {
self.maskCtx.fillStyle = this.getMaskFillStyle();
self.maskCtx.globalCompositeOperation = "source-over";
} else {
self.maskCtx.globalCompositeOperation = "destination-out";
}
self.maskCtx.arc(x, y, brush_size, 0, Math.PI * 2, false);
self.maskCtx.fill();
self.lastx = x;
self.lasty = y;
self.lasttime = performance.now();
}
}
async save() {
const backupCanvas = document.createElement("canvas");
const backupCtx = backupCanvas.getContext("2d", {
willReadFrequently: true,
});
backupCanvas.width = this.image.width;
backupCanvas.height = this.image.height;
backupCtx.clearRect(0, 0, backupCanvas.width, backupCanvas.height);
backupCtx.drawImage(
this.maskCanvas,
0,
0,
this.maskCanvas.width,
this.maskCanvas.height,
0,
0,
backupCanvas.width,
backupCanvas.height
);
// paste mask data into alpha channel
const backupData = backupCtx.getImageData(
0,
0,
backupCanvas.width,
backupCanvas.height
);
// refine mask image
for (let i = 0; i < backupData.data.length; i += 4) {
if (backupData.data[i + 3] == 255) backupData.data[i + 3] = 0;
else backupData.data[i + 3] = 255;
backupData.data[i] = 0;
backupData.data[i + 1] = 0;
backupData.data[i + 2] = 0;
}
backupCtx.globalCompositeOperation = "source-over";
backupCtx.putImageData(backupData, 0, 0);
const formData = new FormData();
const filename = "clipspace-mask-" + performance.now() + ".png";
const item = {
filename: filename,
subfolder: "clipspace",
type: "input",
};
if (ComfyApp.clipspace.images) ComfyApp.clipspace.images[0] = item;
if (ComfyApp.clipspace.widgets) {
const index = ComfyApp.clipspace.widgets.findIndex(
(obj) => obj.name === "image"
);
if (index >= 0) ComfyApp.clipspace.widgets[index].value = item;
}
const dataURL = backupCanvas.toDataURL();
const blob = dataURLToBlob(dataURL);
let original_url = new URL(this.image.src);
type Ref = { filename: string; subfolder?: string; type?: string };
const original_ref: Ref = {
filename: original_url.searchParams.get("filename"),
};
let original_subfolder = original_url.searchParams.get("subfolder");
if (original_subfolder) original_ref.subfolder = original_subfolder;
let original_type = original_url.searchParams.get("type");
if (original_type) original_ref.type = original_type;
formData.append("image", blob, filename);
formData.append("original_ref", JSON.stringify(original_ref));
formData.append("type", "input");
formData.append("subfolder", "clipspace");
this.saveButton.innerText = "Saving...";
this.saveButton.disabled = true;
await uploadMask(item, formData);
ComfyApp.onClipspaceEditorSave();
this.close();
}
}
app.registerExtension({
name: "Comfy.MaskEditor",
init(app) {
ComfyApp.open_maskeditor = function () {
const dlg = MaskEditorDialog.getInstance();
if (!dlg.isOpened()) {
dlg.show();
}
};
const context_predicate = () =>
ComfyApp.clipspace &&
ComfyApp.clipspace.imgs &&
ComfyApp.clipspace.imgs.length > 0;
ClipspaceDialog.registerButton(
"MaskEditor",
context_predicate,
ComfyApp.open_maskeditor
);
},
});