`;
document.body.appendChild(ppMaskState.modal);
document.getElementById("pp-save").onclick = saveMaskImg;
document.getElementById("pp-cancel").onclick = closePhotopeaMaskModal;
document.getElementById("pp-iframe").onload = function() {
if (ppMaskState.open) {
PhotopeaBridge.init(this);
loadImgForMask();
}
};
}
function setMaskStatus(t) { const el = document.getElementById("pp-status"); if (el) el.textContent = t; }
async function loadImgForMask() {
try {
// 解析文件路径
let filename = ppMaskState.path, type = "input", subfolder = "";
const m = ppMaskState.path.match(/^(.+?)\s*\[(\w+)\]$/);
if (m) { filename = m[1].trim(); type = m[2]; }
const idx = filename.lastIndexOf("/");
if (idx !== -1) { subfolder = filename.substring(0, idx); filename = filename.substring(idx + 1); }
let baseUrl = "/view?filename=" + encodeURIComponent(filename) + "&type=" + encodeURIComponent(type);
if (subfolder) baseUrl += "&subfolder=" + encodeURIComponent(subfolder);
// 关键修复：分别获取 RGB 和 Alpha，绑过 Canvas 的 premultiplied alpha 问题
// 1. 获取完整 RGB（避免透明区域 RGB 数据丢失）
setMaskStatus(t('maskEditor.loadRgb'));
let rgbUrl = baseUrl + "&channel=rgb";
const rgbResp = await fetch(rgbUrl);
if (!rgbResp.ok) throw new Error("HTTP " + rgbResp.status);
const rgbBlob = await rgbResp.blob();
// 2. 获取 Alpha 通道（用于创建蒙版层）
setMaskStatus(t('maskEditor.loadAlpha'));
let alphaUrl = baseUrl + "&channel=a";
const alphaResp = await fetch(alphaUrl);
let alphaBlob = null;
if (alphaResp.ok) {
alphaBlob = await alphaResp.blob();
}
// 3. 从 Alpha 通道创建蒙版层
setMaskStatus(t('maskEditor.prepareMask'));
const maskBlob = await createMaskFromAlpha(alphaBlob);
// 4. 转换为 base64
setMaskStatus(t('maskEditor.converting'));
const rgbBase64 = await blobToBase64(rgbBlob);
const maskBase64 = await blobToBase64(maskBlob);
console.log("RGB blob 大小:", rgbBlob.size);
console.log("Alpha blob 大小:", alphaBlob?.size);
console.log("蒙版 blob 大小:", maskBlob.size);
// 5. 先打开 RGB 图像（完整 RGB，没窟窿）
setMaskStatus(t('maskEditor.loadImageLayer'));
await PhotopeaBridge.postMessage('app.open("' + rgbBase64 + '", null, false);');
// 6. 等待一下确保文档加载完成
await new Promise(r => setTimeout(r, 500));
// 7. 将蒙版作为新图层粘贴到当前文档
setMaskStatus(t('maskEditor.loadMaskLayer'));
await PhotopeaBridge.postMessage('app.open("' + maskBase64 + '", null, true);');
// 8. 设置图层名称
await new Promise(r => setTimeout(r, 300));
await PhotopeaBridge.postMessage(`
(function() {
var doc = app.activeDocument;
if (doc.layers.length >= 2) {
doc.layers[0].name = "${t('maskEditor.maskLayerName')}";
doc.layers[doc.layers.length - 1].name = "${t('maskEditor.referenceImage')}";
}
})();
`);
setMaskStatus(t('maskEditor.ready'));
} catch (e) {
setMaskStatus(t('photopea.error') + e.message);
console.error(e);
}
}
// 从 Alpha 通道创建蒙版层
async function createMaskFromAlpha(alphaBlob) {
return new Promise((resolve) => {
if (!alphaBlob) {
// 没有 Alpha 数据，创建透明蒙版
const canvas = document.createElement("canvas");
canvas.width = 512;
canvas.height = 512;
canvas.toBlob((blob) => resolve(blob), "image/png");
return;
}
const img = new Image();
img.onload = function() {
const canvas = document.createElement("canvas");
canvas.width = img.width;
canvas.height = img.height;
const ctx = canvas.getContext("2d");
// channel=a 返回的是 RGBA 图像，Alpha 值在 Alpha 通道
ctx.drawImage(img, 0, 0);
const imageData = ctx.getImageData(0, 0, img.width, img.height);
const pixels = imageData.data;
// 检查是否有遮罩（Alpha < 255 表示有遮罩）
let hasMask = false;
for (let i = 0; i < pixels.length; i += 4) {
if (pixels[i + 3] < 255) { // Alpha 通道
hasMask = true;
break;
}
}
if (hasMask) {
// 从 Alpha 创建蒙版层
// channel=a 返回的 Alpha：255=不透明，0=透明
// 我们需要：透明区域(Alpha=0) → 黑色不透明蒙版
ctx.clearRect(0, 0, img.width, img.height);
const maskData = ctx.createImageData(img.width, img.height);
for (let i = 0; i < pixels.length; i += 4) {
const alphaValue = pixels[i + 3]; // Alpha 通道
if (alphaValue < 255) {
const maskAlpha = 255 - alphaValue; // 反转
maskData.data[i] = 0; // 黑色
maskData.data[i + 1] = 0;
maskData.data[i + 2] = 0;
maskData.data[i + 3] = maskAlpha;
}
}
ctx.putImageData(maskData, 0, 0);
console.log("已有蒙版，已转换为蒙版层");
} else {
ctx.clearRect(0, 0, img.width, img.height);
console.log("创建透明蒙版，尺寸:", img.width, "x", img.height);
}
canvas.toBlob((blob) => resolve(blob), "image/png");
};
img.onerror = () => {
const canvas = document.createElement("canvas");
canvas.width = 512;
canvas.height = 512;
canvas.toBlob((blob) => resolve(blob), "image/png");
};
img.src = URL.createObjectURL(alphaBlob);
});
}
async function getOrCreateMaskBlob(node, imgBlob) {
// 检查图像是否有 Alpha 通道（已有蒙版）
return new Promise((resolve) => {
const img = new Image();
img.onload = async function() {
const canvas = document.createElement("canvas");
canvas.width = img.width;
canvas.height = img.height;
const ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0);
const imageData = ctx.getImageData(0, 0, img.width, img.height);
const pixels = imageData.data;
// 检查是否有透明像素
let hasMask = false;
for (let i = 3; i < pixels.length; i += 4) {
if (pixels[i] < 255) {
hasMask = true;
break;
}
}
if (hasMask) {
// 从 Alpha 通道创建蒙版层
// 转换逻辑（与保存时相反）：
// - 原图 Alpha = 0（遮罩）→ 蒙版层黑色不透明
// - 原图 Alpha = 255（无遮罩）→ 蒙版层透明
// - 原图 Alpha = 中间值（羽化）→ 蒙版层黑色半透明
// 先清除 canvas
ctx.clearRect(0, 0, img.width, img.height);
const maskData = ctx.createImageData(img.width, img.height);
for (let i = 0; i < pixels.length; i += 4) {
const alpha = pixels[i + 3]; // 原图的 Alpha
if (alpha < 255) {
// 有遮罩的区域：画黑色
// alpha 越小 = 越遮罩 = 蒙版层越不透明
const maskAlpha = 255 - alpha; // 反转
maskData.data[i] = 0; // 黑色
maskData.data[i + 1] = 0;
maskData.data[i + 2] = 0;
maskData.data[i + 3] = maskAlpha;
}
// alpha = 255 的像素保持透明（maskData.data[i+3] 默认是 0）
}
ctx.putImageData(maskData, 0, 0);
console.log("已有蒙版，已转换为蒙版层");
} else {
// 创建透明蒙版（用户在上面画黑色 = 遮罩）
// 清除 canvas，保持完全透明
ctx.clearRect(0, 0, img.width, img.height);
console.log("创建透明蒙版，尺寸:", img.width, "x", img.height);
}
// 导出为 PNG，确保保留透明通道
canvas.toBlob((blob) => {
console.log("蒙版 blob 大小:", blob.size, "type:", blob.type);
resolve(blob);
}, "image/png");
};
img.onerror = () => {
// 出错时返回白色蒙版
const canvas = document.createElement("canvas");
canvas.width = 512;
canvas.height = 512;
const ctx = canvas.getContext("2d");
ctx.fillStyle = "white";
ctx.fillRect(0, 0, 512, 512);
canvas.toBlob((blob) => resolve(blob), "image/png");
};
img.src = URL.createObjectURL(imgBlob);
});
}
function blobToBase64(blob) {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onloadend = () => resolve(reader.result);
reader.onerror = reject;
reader.readAsDataURL(blob);
});
}
async function saveMaskImg() {
if (!ppMaskState.open) return;
try {
// 提前加载 UPNG.js
setMaskStatus(t('maskEditor.prepareEncoder'));
try {
await loadUPNG();
} catch (e) {
console.error("加载 UPNG.js 失败:", e);
}
setMaskStatus(t('maskEditor.exportMask'));
// 先检查图层信息
const checkScript = `
(function() {
var doc = app.activeDocument;
var info = "图层: " + doc.layers.length + "\\n";
for (var i = 0; i < doc.layers.length; i++) {
info += i + ": " + doc.layers[i].name + " visible=" + doc.layers[i].visible + "\\n";
}
app.echoToOE(info);
})();
`;
const checkResult = await PhotopeaBridge.postMessage(checkScript);
console.log("图层信息:", checkResult);
// 导出脚本：隐藏图像层，只导出蒙版层
const exportScript = `
(function() {
var doc = app.activeDocument;
// 隐藏所有图层
for (var i = 0; i < doc.layers.length; i++) {
doc.layers[i].visible = false;
}
// 只显示最上层（蒙版层，索引0）
doc.layers[0].visible = true;
// 导出
doc.saveToOE("png");
})();
`;
const result = await PhotopeaBridge.postMessage(exportScript);
// 提取 ArrayBuffer
let maskBlob = null;
for (let i = 0; i < result.length; i++) {
if (result[i] instanceof ArrayBuffer) {
maskBlob = new Blob([result[i]], { type: "image/png" });
break;
}
}
if (!maskBlob) throw new Error(t('maskEditor.noMaskData'));
setMaskStatus(t('maskEditor.processMask'));
// 获取原始图像
const originalImageBlob = await getOriginalImageBlob(ppMaskState.path);
// 合并蒙版到原图
const finalBlob = await mergeMaskToImage(originalImageBlob, maskBlob);
setMaskStatus(t('photopea.uploading'));
const fd = new FormData();
fd.append("image", finalBlob, "mask_" + Date.now() + ".png");
fd.append("type", "input");
const resp = await api.fetchApi("/upload/image", { method: "POST", body: fd });
const uploadResult = await resp.json();
if (uploadResult.name) {
const w = ppMaskState.node.widgets?.find(x => x.name === "image");
if (w) {
w.value = uploadResult.name;
if (w.callback) w.callback(uploadResult.name);
}
ppMaskState.node.setDirtyCanvas(true);
setMaskStatus(t('maskEditor.maskSaved'));
setTimeout(closePhotopeaMaskModal, 500);
}
} catch (e) {
setMaskStatus(t('photopea.error') + e.message);
console.error(e);
}
}
async function getOriginalImageBlob(imagePath) {
let filename = imagePath, type = "input", subfolder = "";
const m = imagePath.match(/^(.+?)\s*\[(\w+)\]$/);
if (m) { filename = m[1].trim(); type = m[2]; }
const idx = filename.lastIndexOf("/");
if (idx !== -1) { subfolder = filename.substring(0, idx); filename = filename.substring(idx + 1); }
// 关键：添加 channel=rgb 参数，确保获取完整 RGB 数据（避免透明区域 RGB 数据丢失）
let url = "/view?filename=" + encodeURIComponent(filename) + "&type=" + encodeURIComponent(type) + "&channel=rgb";
if (subfolder) url += "&subfolder=" + encodeURIComponent(subfolder);
console.log("获取原图 URL:", url);
const resp = await fetch(url);
return await resp.blob();
}
async function mergeMaskToImage(imageBlob, maskBlob) {
// 加载 UPNG.js（用于绑过 Canvas 的 premultiplied alpha 问题）
try {
await loadUPNG();
} catch (e) {
console.error("加载 UPNG.js 失败:", e);
}
return new Promise((resolve) => {
const img = new Image();
img.onload = async function() {
const maskImg = new Image();
maskImg.onload = async function() {
const w = img.width;
const h = img.height;
const canvas = document.createElement("canvas");
canvas.width = w;
canvas.height = h;
const ctx = canvas.getContext("2d");
// 绘制原图
ctx.drawImage(img, 0, 0);
// 获取图像数据
const imageData = ctx.getImageData(0, 0, w, h);
const pixels = imageData.data;
// 创建临时 canvas 读取蒙版灰度
const maskCanvas = document.createElement("canvas");
maskCanvas.width = w;
maskCanvas.height = h;
const maskCtx = maskCanvas.getContext("2d");
maskCtx.drawImage(maskImg, 0, 0, w, h);
const maskData = maskCtx.getImageData(0, 0, w, h);
const maskPixels = maskData.data;
// 合并蒙版到 Alpha 通道
// 蒙版层逻辑（用户画黑色）：
// - 黑色不透明（maskAlpha=255）→ 遮罩 → Alpha = 0
// - 黑色半透明（maskAlpha=128）→ 羽化 → Alpha = 128
// - 完全透明（maskAlpha=0）→ 不遮罩 → Alpha = 255
// 公式：最终 Alpha = 255 - maskAlpha
let alphaSamples = [];
for (let i = 0; i < pixels.length; i += 4) {
const maskAlpha = maskPixels[i + 3]; // 蒙版层的透明度
const finalAlpha = 255 - maskAlpha; // 反转：用户画的 = 遮罩
pixels[i + 3] = finalAlpha;
// 收集羽化样本
if (alphaSamples.length < 10 && maskAlpha > 0 && maskAlpha < 255) {
alphaSamples.push({ maskAlpha, finalAlpha });
}
}
if (alphaSamples.length > 0) {
console.log("羽化样本 (maskAlpha → finalAlpha):", alphaSamples);
}
console.log("合并完成，尺寸:", w, "x", h);
// 使用 UPNG.js 编码（保留 Alpha=0 时的 RGB 数据）
if (UPNG) {
console.log("使用 UPNG.js 编码 PNG");
const rgbaBuffer = imageData.data.buffer;
const pngBuffer = UPNG.encode([rgbaBuffer], w, h, 0);
const blob = new Blob([pngBuffer], { type: "image/png" });
console.log("UPNG 编码完成，blob 大小:", blob.size);
resolve(blob);
} else {
// 回退到 Canvas（会丢失 Alpha=0 的 RGB）
console.log("UPNG 不可用，使用 Canvas 编码");
ctx.putImageData(imageData, 0, 0);
canvas.toBlob((blob) => resolve(blob), "image/png");
}
};
maskImg.src = URL.createObjectURL(maskBlob);
};
img.src = URL.createObjectURL(imageBlob);
});
}
function closePhotopeaMaskModal() {
ppMaskState.open = false;
if (ppMaskState.modal) { ppMaskState.modal.remove(); ppMaskState.modal = null; }
ppMaskState.node = null; ppMaskState.path = null;
}
// ==================== 图像和选区数据 ====================
const nodeImageData = new Map(); // 存储每个节点的图像和选区数据
// 约束选区：框住蒙版且不超出图像边界
function constrainRegion(data, padding) {
if (!data.hasMask || !data.maskBounds) return;
const mask = data.maskBounds;
// 计算期望的选区大小
let regionWidth = mask.width + padding * 2;
let regionHeight = mask.height + padding * 2;
// 约束1：选区不能超过图像大小（自动缩小）
regionWidth = Math.min(regionWidth, data.imageWidth);
regionHeight = Math.min(regionHeight, data.imageHeight);
// 计算选区位置（优先框住蒙版，然后约束不超出边界）
let regionX = mask.x - padding;
let regionY = mask.y - padding;
// 约束2：选区不能超出图像边界
// 左边界
if (regionX < 0) regionX = 0;
// 右边界
if (regionX + regionWidth > data.imageWidth) {
regionX = data.imageWidth - regionWidth;
}
// 上边界
if (regionY < 0) regionY = 0;
// 下边界
if (regionY + regionHeight > data.imageHeight) {
regionY = data.imageHeight - regionHeight;
}
// 更新数据
data.regionX = regionX;
data.regionY = regionY;
data.regionWidth = regionWidth;
data.regionHeight = regionHeight;
}
// 加载图像并检测蒙版
async function loadImageAndDetectMask(node, imageName) {
if (!imageName) return;
console.log("loadImageAndDetectMask 开始:", imageName);
try {
// 解析文件名
let filename = imageName, type = "input", subfolder = "";
const m = imageName.match(/^(.+?)\s*\[(\w+)\]$/);
if (m) { filename = m[1].trim(); type = m[2]; }
const idx = filename.lastIndexOf("/");
if (idx !== -1) { subfolder = filename.substring(0, idx); filename = filename.substring(idx + 1); }
// 加载完整图像（带 Alpha，用于显示蒙版效果）
let url = "/view?filename=" + encodeURIComponent(filename) + "&type=" + encodeURIComponent(type);
if (subfolder) url += "&subfolder=" + encodeURIComponent(subfolder);
console.log("图像 URL:", url);
const resp = await fetch(url);
if (!resp.ok) return;
const blob = await resp.blob();
console.log("图像 blob 大小:", blob.size);
// 创建图像对象
const img = new Image();
img.onload = function() {
// 检测蒙版
const canvas = document.createElement("canvas");
canvas.width = img.width;
canvas.height = img.height;
const ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0);
const imageData = ctx.getImageData(0, 0, img.width, img.height);
const pixels = imageData.data;
// 找蒙版边界
let hasMask = false;
let minX = img.width, minY = img.height, maxX = 0, maxY = 0;
for (let y = 0; y < img.height; y++) {
for (let x = 0; x < img.width; x++) {
const i = (y * img.width + x) * 4;
const alpha = pixels[i + 3];
if (alpha < 255) {
hasMask = true;
minX = Math.min(minX, x);
minY = Math.min(minY, y);
maxX = Math.max(maxX, x);
maxY = Math.max(maxY, y);
}
}
}
const padding = node.widgets?.find(w => w.name === "padding")?.value ?? 64;
// 存储数据（包含原始URL供 MaskEditor 使用）
const data = {
image: img,
imageUrl: url, // 保存原始 URL
imageName: filename,
imageWidth: img.width,
imageHeight: img.height,
hasMask: hasMask
};
if (hasMask && minX <= maxX && minY <= maxY) {
data.maskBounds = { x: minX, y: minY, width: maxX - minX + 1, height: maxY - minY + 1 };
// 使用统一的约束函数计算选区
constrainRegion(data, padding);
// 同步到 region_coords widget
const coordsWidget = node.widgets?.find(w => w.name === "region_coords");
if (coordsWidget) {
coordsWidget.value = JSON.stringify({
x: Math.round(data.regionX),
y: Math.round(data.regionY),
width: Math.round(data.regionWidth),
height: Math.round(data.regionHeight)
});
}
}
nodeImageData.set(node.id, data);
node.setDirtyCanvas(true);
};
img.src = URL.createObjectURL(blob);
} catch (e) {
console.error("Load image error:", e);
}
}
// ==================== 绘制 ====================
function drawNode(ctx, node) {
const data = nodeImageData.get(node.id);
// 如果没有加载图像，就不画
if (!data || !data.image || !data.image.complete) return;
const img = data.image;
// 计算 widgets 占用的高度
let widgetsHeight = 0;
if (node.widgets) {
for (let i = node.widgets.length - 1; i >= 0; i--) {
if (node.widgets[i].last_y !== undefined) {
widgetsHeight = node.widgets[i].last_y + 25;
break;
}
}
}
// 图像绘制区域
const margin = 5;
const imgAreaY = widgetsHeight + margin;
const imgAreaW = node.size[0] - margin * 2;
const imgAreaH = node.size[1] - imgAreaY - margin;
if (imgAreaW <= 0 || imgAreaH <= 0) return;
// 计算缩放（适应区域）
const scale = Math.min(imgAreaW / img.naturalWidth, imgAreaH / img.naturalHeight);
const imgW = img.naturalWidth * scale;
const imgH = img.naturalHeight * scale;
// 居中
const imgX = margin + (imgAreaW - imgW) / 2;
const imgY = imgAreaY + (imgAreaH - imgH) / 2;
// 画图像
ctx.drawImage(img, imgX, imgY, imgW, imgH);
// 显示原图尺寸（在图像左下角内部）
const sizeText = img.naturalWidth + "×" + img.naturalHeight;
ctx.font = "10px sans-serif";
const textWidth = ctx.measureText(sizeText).width;
ctx.fillStyle = "rgba(0, 0, 0, 0.6)";
ctx.fillRect(imgX, imgY + imgH - 14, textWidth + 6, 14);
ctx.fillStyle = "#fff";
ctx.fillText(sizeText, imgX + 3, imgY + imgH - 4);
// 画选区框（如果有蒙版）
if (data.hasMask && data.maskBounds) {
// 橙色选区框
const rx = imgX + data.regionX * scale;
const ry = imgY + data.regionY * scale;
const rw = data.regionWidth * scale;
const rh = data.regionHeight * scale;
ctx.fillStyle = "rgba(255, 165, 0, 0.2)";
ctx.fillRect(rx, ry, rw, rh);
ctx.strokeStyle = "rgb(255, 165, 0)";
ctx.lineWidth = 2;
ctx.setLineDash([5, 3]);
ctx.strokeRect(rx, ry, rw, rh);
ctx.setLineDash([]);
// 参考区标签
ctx.font = "8px sans-serif";
ctx.fillStyle = "rgba(255, 165, 0, 0.9)";
const labelText = t('node.referenceArea') + " " + Math.round(data.regionWidth) + "×" + Math.round(data.regionHeight);
const labelWidth = ctx.measureText(labelText).width + 6;
ctx.fillRect(rx + 2, ry + 2, labelWidth, 10);
ctx.fillStyle = "#000";
ctx.fillText(labelText, rx + 3, ry + 9);
}
}
// ==================== 拖动和调整大小 ====================
let dragging = null;
const EDGE_THRESHOLD = 8; // 边缘检测阈值（屏幕像素）
// 检测鼠标在选区的哪个区域
function getResizeHandle(imgX, imgY, data, scale) {
const rx = data.regionX;
const ry = data.regionY;
const rw = data.regionWidth;
const rh = data.regionHeight;
// 边缘检测阈值，不超过选区尺寸的 15%
const baseThreshold = EDGE_THRESHOLD / scale;
const thresholdX = Math.min(baseThreshold, rw * 0.15);
const thresholdY = Math.min(baseThreshold, rh * 0.15);
// 在选区内部
const insideX = imgX >= rx && imgX <= rx + rw;
const insideY = imgY >= ry && imgY <= ry + rh;
if (!insideX || !insideY) return null;
// 检测是否在边缘
const nearLeft = imgX - rx < thresholdX;
const nearRight = (rx + rw) - imgX < thresholdX;
const nearTop = imgY - ry < thresholdY;
const nearBottom = (ry + rh) - imgY < thresholdY;
// 角落优先
if (nearLeft && nearTop) return 'tl';
if (nearRight && nearTop) return 'tr';
if (nearLeft && nearBottom) return 'bl';
if (nearRight && nearBottom) return 'br';
// 边缘
if (nearLeft) return 'l';
if (nearRight) return 'r';
if (nearTop) return 't';
if (nearBottom) return 'b';
// 中间
return 'move';
}
function getImageDrawParams(node) {
const data = nodeImageData.get(node.id);
if (!data || !data.image || !data.image.complete) return null;
const img = data.image;
let widgetsHeight = 0;
if (node.widgets) {
for (let i = node.widgets.length - 1; i >= 0; i--) {
if (node.widgets[i].last_y !== undefined) {
widgetsHeight = node.widgets[i].last_y + 25;
break;
}
}
}
const margin = 5;
const imgAreaY = widgetsHeight + margin;
const imgAreaW = node.size[0] - margin * 2;
const imgAreaH = node.size[1] - imgAreaY - margin;
if (imgAreaW <= 0 || imgAreaH <= 0) return null;
const scale = Math.min(imgAreaW / img.naturalWidth, imgAreaH / img.naturalHeight);
const imgW = img.naturalWidth * scale;
const imgH = img.naturalHeight * scale;
const imgX = margin + (imgAreaW - imgW) / 2;
const imgY = imgAreaY + (imgAreaH - imgH) / 2;
return { imgX, imgY, scale };
}
function onMouseDown(node, pos, e) {
const data = nodeImageData.get(node.id);
if (!data || !data.hasMask) return false;
const params = getImageDrawParams(node);
if (!params) return false;
// pos 已经是节点本地坐标
const localX = pos[0];
const localY = pos[1];
// 转图像坐标
const imgX = (localX - params.imgX) / params.scale;
const imgY = (localY - params.imgY) / params.scale;
// 检测点击位置
const handle = getResizeHandle(imgX, imgY, data, params.scale);
if (handle) {
dragging = {
node: node,
handle: handle,
startImgX: imgX,
startImgY: imgY,
origRegionX: data.regionX,
origRegionY: data.regionY,
origRegionWidth: data.regionWidth,
origRegionHeight: data.regionHeight
};
// 拖动时改变光标
requestAnimationFrame(() => {
const canvasEl = app.canvas.canvas;
if (canvasEl) {
canvasEl.style.cursor = handle === 'move' ? 'grabbing' :
({'tl': 'nwse-resize', 'tr': 'nesw-resize', 'bl': 'nesw-resize', 'br': 'nwse-resize',
'l': 'ew-resize', 'r': 'ew-resize', 't': 'ns-resize', 'b': 'ns-resize'}[handle] || 'crosshair');
}
});
return true; // 消费事件，阻止节点拖动
}
return false;
}
function onMouseMove(e, pos, node) {
const data = nodeImageData.get(node.id);
if (!data || !data.hasMask) return;
const params = getImageDrawParams(node);
if (!params) return;
// 转图像坐标
const localX = pos[0];
const localY = pos[1];
const imgX = (localX - params.imgX) / params.scale;
const imgY = (localY - params.imgY) / params.scale;
// 检测手柄
const handle = getResizeHandle(imgX, imgY, data, params.scale);
// 如果正在拖动
if (dragging) {
// 计算偏移
const dx = imgX - dragging.startImgX;
const dy = imgY - dragging.startImgY;
const mask = data.maskBounds;
if (dragging.handle === 'move') {
// 拖动位置
let newRegionX = dragging.origRegionX + dx;
let newRegionY = dragging.origRegionY + dy;
const mask = data.maskBounds;
// 约束1：选区必须框住蒙版
// 选区左边 <= 蒙版左边，选区右边 >= 蒙版右边
const maskRight = mask.x + mask.width;
const maskBottom = mask.y + mask.height;
let minX = maskRight - data.regionWidth; // 选区右边 >= 蒙版右边
let maxX = mask.x; // 选区左边 <= 蒙版左边
let minY = maskBottom - data.regionHeight;
let maxY = mask.y;
// 约束2：选区不能超出图像边界
minX = Math.max(0, minX);
maxX = Math.min(maxX, data.imageWidth - data.regionWidth);
minY = Math.max(0, minY);
maxY = Math.min(maxY, data.imageHeight - data.regionHeight);
data.regionX = Math.max(minX, Math.min(maxX, newRegionX));
data.regionY = Math.max(minY, Math.min(maxY, newRegionY));
} else {
// 调整大小
let newWidth = dragging.origRegionWidth;
let newHeight = dragging.origRegionHeight;
let newX = dragging.origRegionX;
let newY = dragging.origRegionY;
const handle = dragging.handle;
// 根据手柄类型调整
if (handle.includes('r')) {
// 右边
newWidth = dragging.origRegionWidth + dx;
}
if (handle.includes('l')) {
// 左边
newWidth = dragging.origRegionWidth - dx;
newX = dragging.origRegionX + dx;
}
if (handle.includes('b')) {
// 下边
newHeight = dragging.origRegionHeight + dy;
}
if (handle.includes('t')) {
// 上边
newHeight = dragging.origRegionHeight - dy;
newY = dragging.origRegionY + dy;
}
// 约束1：最小尺寸 = 蒙版边界框
const minW = mask.width;
const minH = mask.height;
newWidth = Math.max(minW, newWidth);
newHeight = Math.max(minH, newHeight);
// 约束2：最大尺寸 = 图像边界
newWidth = Math.min(newWidth, data.imageWidth);
newHeight = Math.min(newHeight, data.imageHeight);
// 约束3：位置不能超出边界
if (newX < 0) {
newWidth += newX; // 减小宽度
newX = 0;
}
if (newY < 0) {
newHeight += newY;
newY = 0;
}
if (newX + newWidth > data.imageWidth) {
newWidth = data.imageWidth - newX;
}
if (newY + newHeight > data.imageHeight) {
newHeight = data.imageHeight - newY;
}
// 约束4：选区必须框住蒙版
const maskRight = mask.x + mask.width;
const maskBottom = mask.y + mask.height;
// 如果左边 > 蒙版左边，调整
if (newX > mask.x) {
const diff = newX - mask.x;
newX = mask.x;
newWidth += diff;
}
// 如果右边 < 蒙版右边，调整
if (newX + newWidth < maskRight) {
newWidth = maskRight - newX;
}
// 如果上边 > 蒙版上边，调整
if (newY > mask.y) {
const diff = newY - mask.y;
newY = mask.y;
newHeight += diff;
}
// 如果下边 < 蒙版下边，调整
if (newY + newHeight < maskBottom) {
newHeight = maskBottom - newY;
}
// 再次检查边界
if (newX < 0) { newX = 0; }
if (newY < 0) { newY = 0; }
if (newX + newWidth > data.imageWidth) { newWidth = data.imageWidth - newX; }
if (newY + newHeight > data.imageHeight) { newHeight = data.imageHeight - newY; }
data.regionX = newX;
data.regionY = newY;
data.regionWidth = newWidth;
data.regionHeight = newHeight;
}
// 同步到 widget
const coordsWidget = dragging.node.widgets?.find(w => w.name === "region_coords");
if (coordsWidget) {
coordsWidget.value = JSON.stringify({
x: Math.round(data.regionX),
y: Math.round(data.regionY),
width: Math.round(data.regionWidth),
height: Math.round(data.regionHeight)
});
}
dragging.node.setDirtyCanvas(true);
} else {
// 非拖动状态：检测光标位置
const handle = getResizeHandle(imgX, imgY, data, params.scale);
if (handle) {
// 根据手柄类型设置光标
const cursorMap = {
'move': 'grab',
'tl': 'nwse-resize',
'tr': 'nesw-resize',
'bl': 'nesw-resize',
'br': 'nwse-resize',
'l': 'ew-resize',
'r': 'ew-resize',
't': 'ns-resize',
'b': 'ns-resize'
};
// 延迟设置，确保在原生代码之后执行
const cursor = cursorMap[handle] || 'crosshair';
requestAnimationFrame(() => {
const canvasEl = app.canvas.canvas;
if (canvasEl) {
canvasEl.style.cursor = cursor;
}
});
} else {
const canvasEl = app.canvas.canvas;
if (canvasEl) {
canvasEl.style.cursor = 'crosshair';
}
}
}
}
function onMouseUp() {
dragging = null;
requestAnimationFrame(() => {
const canvasEl = app.canvas.canvas;
if (canvasEl) {
canvasEl.style.cursor = 'crosshair';
}
});
}
// ==================== 注册扩展 ====================
app.registerExtension({
name: "InpaintRegionEditor",
async init() {
// 初始化多语言
await i18n.load();
// 全局粘贴事件监听（捕获阶段，优先于系统处理）
document.addEventListener("paste", async (e) => {
// 检查是否有选中的节点
const selectedNodes = app.canvas.selected_nodes;
if (!selectedNodes || Object.keys(selectedNodes).length !== 1) return;
const node = Object.values(selectedNodes)[0];
// 只处理我们的节点
if (node.type !== "InpaintRegionEditor") return;
// 检查剪贴板是否有图片
const items = e.clipboardData?.items;
if (!items) return;
for (const item of items) {
if (item.type.startsWith("image/")) {
// 阻止系统处理
e.preventDefault();
e.stopPropagation();
e.stopImmediatePropagation();
const file = item.getAsFile();
if (!file) continue;
try {
// 上传图片
const fd = new FormData();
fd.append("image", file, file.name || "pasted.png");
fd.append("type", "input");
const resp = await api.fetchApi("/upload/image", { method: "POST", body: fd });
const result = await resp.json();
if (result.name) {
// 更新 widget
const imgW = node.widgets?.find(w => w.name === "image");
if (imgW) {
imgW.value = result.name;
if (imgW.callback) imgW.callback(result.name);
}
node.setDirtyCanvas(true);
}
} catch (err) {
console.error("Paste image error:", err);
}
break;
}
}
}, true); // 捕获阶段
},
async beforeRegisterNodeDef(nodeType, nodeData) {
// 确保语言文件加载完成
await i18n.load();
if (nodeData.name !== "InpaintRegionEditor") return;
// 右键菜单
const origGetMenu = nodeType.prototype.getExtraMenuOptions;
nodeType.prototype.getExtraMenuOptions = function(canvas, options) {
if (origGetMenu) origGetMenu.apply(this, arguments);
const hasPp = options.some(o => o && o.content && o.content.includes("Photopea"));
if (hasPp) return;
const node = this;
const imgW = node.widgets?.find(w => w.name === "image");
options.push(null);
options.push({
content: t('menu.editImage'),
callback: function() { imgW?.value ? showPhotopeaModal(node, imgW.value) : alert(t('menu.selectImageFirst')); }
});
options.push({
content: t('menu.editMask'),
callback: function() { imgW?.value ? showPhotopeaMaskModal(node, imgW.value) : alert(t('menu.selectImageFirst')); }
});
};
// 自己绘制图像和选区框
const origDrawBg = nodeType.prototype.onDrawBackground;
nodeType.prototype.onDrawBackground = function(ctx) {
const node = this;
// 检查是否有 MaskEditor 设置的 imgs（用户刚编辑完）
if (node.imgs && node.imgs.length > 0) {
const ourData = nodeImageData.get(node.id);
// 如果我们有数据，说明 MaskEditor 刚关闭，需要重新加载
if (ourData && ourData.imageUrl) {
const imgW = node.widgets?.find(w => w.name === "image");
if (imgW?.value) {
// 异步重新加载，避免阻塞渲染
setTimeout(() => loadImageAndDetectMask(node, imgW.value), 0);
}
}
// 用空数组替换，防止系统渲染（但不能用 null，会崩溃）
node.imgs = [];
}
if (origDrawBg) origDrawBg.apply(this, arguments);
drawNode(ctx, this);
};
// 节点创建
const onNodeCreated = nodeType.prototype.onNodeCreated;
nodeType.prototype.onNodeCreated = function() {
if (onNodeCreated) onNodeCreated.apply(this, arguments);
const node = this;
// 确保 region_coords hidden widget 存在
let coordsWidget = node.widgets?.find(w => w.name === "region_coords");
if (!coordsWidget) {
// ComfyUI hidden widget 需要手动创建
coordsWidget = node.addWidget("STRING", "region_coords", "{}", () => {}, {
serialize: true,
hidden: true
});
}
// 监听图像变化
const imgW = node.widgets?.find(w => w.name === "image");
if (imgW) {
const origCb = imgW.callback;
imgW.callback = function(v) {
if (origCb) origCb.apply(this, arguments);
loadImageAndDetectMask(node, v);
};
}
// 监听 padding 变化
const padW = node.widgets?.find(w => w.name === "padding");
if (padW) {
const origCb = padW.callback;
padW.callback = function(v) {
if (origCb) origCb.apply(this, arguments);
const data = nodeImageData.get(node.id);
if (data && data.hasMask && data.maskBounds) {
// 使用统一的约束函数重新计算选区
constrainRegion(data, v);
}
node.setDirtyCanvas(true);
};
}
};
// 从工作流加载时确保 widget 存在
const origConfigure = nodeType.prototype.configure;
nodeType.prototype.configure = function(info) {
if (origConfigure) origConfigure.apply(this, arguments);
const node = this;
// 确保 region_coords widget 存在
let coordsWidget = node.widgets?.find(w => w.name === "region_coords");
if (!coordsWidget) {
coordsWidget = node.addWidget("STRING", "region_coords", "{}", () => {}, {
serialize: true
});
}
};
// 鼠标事件
const origMouseDown = nodeType.prototype.onMouseDown;
nodeType.prototype.onMouseDown = function(e, pos, canvas) {
if (onMouseDown(this, pos, e)) {
return true; // 阻止节点拖动
}
return origMouseDown ? origMouseDown.apply(this, arguments) : false;
};
// 鼠标移动
const origMouseMove = nodeType.prototype.onMouseMove;
nodeType.prototype.onMouseMove = function(e, pos, canvas) {
onMouseMove(e, pos, this);
return origMouseMove ? origMouseMove.apply(this, arguments) : false;
};
// 鼠标释放
const origMouseUp = nodeType.prototype.onMouseUp;
nodeType.prototype.onMouseUp = function(e, pos, canvas) {
onMouseUp();
return origMouseUp ? origMouseUp.apply(this, arguments) : false;
};
}
});