forked from extern/easydiffusion
928 lines
33 KiB
JavaScript
928 lines
33 KiB
JavaScript
var editorControlsLeft = document.getElementById("image-editor-controls-left")
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const IMAGE_EDITOR_MAX_SIZE = 800
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const IMAGE_EDITOR_BUTTONS = [
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{
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name: "Cancel",
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icon: "fa-regular fa-circle-xmark",
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handler: (editor) => {
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editor.hide()
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}
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},
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{
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name: "Save",
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icon: "fa-solid fa-floppy-disk",
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handler: (editor) => {
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editor.saveImage()
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}
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}
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]
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const defaultToolBegin = (editor, ctx, x, y, is_overlay = false) => {
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ctx.beginPath()
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ctx.moveTo(x, y)
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}
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const defaultToolMove = (editor, ctx, x, y, is_overlay = false) => {
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ctx.lineTo(x, y)
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if (is_overlay) {
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ctx.clearRect(0, 0, editor.width, editor.height)
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ctx.stroke()
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}
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}
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const defaultToolEnd = (editor, ctx, x, y, is_overlay = false) => {
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ctx.stroke()
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if (is_overlay) {
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ctx.clearRect(0, 0, editor.width, editor.height)
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}
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}
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const toolDoNothing = (editor, ctx, x, y, is_overlay = false) => {}
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const IMAGE_EDITOR_TOOLS = [
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{
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id: "draw",
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name: "Draw",
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icon: "fa-solid fa-pencil",
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cursor: "url(/media/images/fa-pencil.svg) 0 24, pointer",
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begin: defaultToolBegin,
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move: defaultToolMove,
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end: defaultToolEnd
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},
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{
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id: "erase",
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name: "Erase",
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icon: "fa-solid fa-eraser",
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cursor: "url(/media/images/fa-eraser.svg) 0 14, pointer",
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begin: defaultToolBegin,
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move: (editor, ctx, x, y, is_overlay = false) => {
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ctx.lineTo(x, y)
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if (is_overlay) {
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ctx.clearRect(0, 0, editor.width, editor.height)
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ctx.globalCompositeOperation = "source-over"
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ctx.globalAlpha = 1
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ctx.filter = "none"
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ctx.drawImage(editor.canvas_current, 0, 0)
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editor.setBrush(editor.layers.overlay)
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ctx.stroke()
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editor.canvas_current.style.opacity = 0
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}
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},
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end: (editor, ctx, x, y, is_overlay = false) => {
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ctx.stroke()
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if (is_overlay) {
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ctx.clearRect(0, 0, editor.width, editor.height)
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editor.canvas_current.style.opacity = ""
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}
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},
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setBrush: (editor, layer) => {
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layer.ctx.globalCompositeOperation = "destination-out"
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}
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},
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{
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id: "fill",
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name: "Fill",
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icon: "fa-solid fa-fill",
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cursor: "url(/media/images/fa-fill.svg) 20 6, pointer",
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begin: (editor, ctx, x, y, is_overlay = false) => {
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if (!is_overlay) {
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var color = hexToRgb(ctx.fillStyle)
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color.a = parseInt(ctx.globalAlpha * 255) // layer.ctx.globalAlpha
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flood_fill(editor, ctx, parseInt(x), parseInt(y), color)
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}
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},
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move: toolDoNothing,
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end: toolDoNothing
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},
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{
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id: "colorpicker",
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name: "Picker",
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icon: "fa-solid fa-eye-dropper",
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cursor: "url(/media/images/fa-eye-dropper.svg) 0 24, pointer",
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begin: (editor, ctx, x, y, is_overlay = false) => {
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if (!is_overlay) {
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var img_rgb = editor.layers.background.ctx.getImageData(x, y, 1, 1).data
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var drawn_rgb = editor.ctx_current.getImageData(x, y, 1, 1).data
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var drawn_opacity = drawn_rgb[3] / 255
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editor.custom_color_input.value = rgbToHex({
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r: drawn_rgb[0] * drawn_opacity + img_rgb[0] * (1 - drawn_opacity),
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g: drawn_rgb[1] * drawn_opacity + img_rgb[1] * (1 - drawn_opacity),
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b: drawn_rgb[2] * drawn_opacity + img_rgb[2] * (1 - drawn_opacity)
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})
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editor.custom_color_input.dispatchEvent(new Event("change"))
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}
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},
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move: toolDoNothing,
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end: toolDoNothing
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}
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]
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const IMAGE_EDITOR_ACTIONS = [
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{
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id: "load_mask",
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name: "Load mask from file",
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className: "load_mask",
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icon: "fa-regular fa-folder-open",
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handler: (editor) => {
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let el = document.createElement("input")
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el.setAttribute("type", "file")
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el.addEventListener("change", function() {
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if (this.files.length === 0) {
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return
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}
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let reader = new FileReader()
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let file = this.files[0]
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reader.addEventListener("load", function(event) {
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let maskData = reader.result
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editor.layers.drawing.ctx.clearRect(0, 0, editor.width, editor.height)
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var image = new Image()
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image.onload = () => {
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editor.layers.drawing.ctx.drawImage(image, 0, 0, editor.width, editor.height)
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}
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image.src = maskData
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})
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if (file) {
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reader.readAsDataURL(file)
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}
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})
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el.click()
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},
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trackHistory: true
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},
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{
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id: "fill_all",
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name: "Fill all",
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icon: "fa-solid fa-paint-roller",
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handler: (editor) => {
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editor.ctx_current.globalCompositeOperation = "source-over"
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editor.ctx_current.rect(0, 0, editor.width, editor.height)
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editor.ctx_current.fill()
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editor.setBrush()
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},
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trackHistory: true
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},
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{
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id: "clear",
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name: "Clear",
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icon: "fa-solid fa-xmark",
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handler: (editor) => {
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editor.ctx_current.clearRect(0, 0, editor.width, editor.height)
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imageEditor.setImage(null, editor.width, editor.height) // properly reset the drawing canvas
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},
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trackHistory: true
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},
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{
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id: "undo",
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name: "Undo",
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icon: "fa-solid fa-rotate-left",
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handler: (editor) => {
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editor.history.undo()
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},
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trackHistory: false
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},
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{
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id: "redo",
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name: "Redo",
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icon: "fa-solid fa-rotate-right",
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handler: (editor) => {
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editor.history.redo()
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},
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trackHistory: false
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}
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]
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var IMAGE_EDITOR_SECTIONS = [
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{
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name: "tool",
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title: "Tool",
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default: "draw",
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options: Array.from(IMAGE_EDITOR_TOOLS.map((t) => t.id)),
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initElement: (element, option) => {
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var tool_info = IMAGE_EDITOR_TOOLS.find((t) => t.id == option)
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element.className = "image-editor-button button"
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var sub_element = document.createElement("div")
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var icon = document.createElement("i")
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tool_info.icon.split(" ").forEach((c) => icon.classList.add(c))
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sub_element.appendChild(icon)
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sub_element.append(tool_info.name)
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element.appendChild(sub_element)
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}
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},
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{
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name: "color",
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title: "Color",
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default: "#f1c232",
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options: [
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"custom",
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"#ea9999",
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"#e06666",
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"#cc0000",
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"#990000",
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"#660000",
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"#f9cb9c",
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"#f6b26b",
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"#e69138",
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"#b45f06",
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"#783f04",
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"#ffe599",
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"#ffd966",
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"#f1c232",
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"#bf9000",
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"#7f6000",
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"#b6d7a8",
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"#93c47d",
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"#6aa84f",
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"#38761d",
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"#274e13",
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"#a4c2f4",
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"#6d9eeb",
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"#3c78d8",
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"#1155cc",
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"#1c4587",
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"#b4a7d6",
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"#8e7cc3",
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"#674ea7",
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"#351c75",
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"#20124d",
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"#d5a6bd",
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"#c27ba0",
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"#a64d79",
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"#741b47",
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"#4c1130",
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"#ffffff",
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"#c0c0c0",
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"#838383",
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"#525252",
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"#000000"
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],
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initElement: (element, option) => {
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if (option == "custom") {
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var input = document.createElement("input")
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input.type = "color"
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element.appendChild(input)
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var span = document.createElement("span")
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span.textContent = "Custom"
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span.onclick = function(e) {
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input.click()
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}
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element.appendChild(span)
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} else {
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element.style.background = option
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}
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},
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getCustom: (editor) => {
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var input = editor.popup.querySelector(".image_editor_color input")
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return input.value
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}
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},
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{
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name: "brush_size",
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title: "Brush Size",
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default: 48,
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options: [6, 12, 16, 24, 30, 40, 48, 64],
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initElement: (element, option) => {
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element.parentElement.style.flex = option
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element.style.width = option + "px"
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element.style.height = option + "px"
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element.style["margin-right"] = "2px"
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element.style["border-radius"] = (option / 2).toFixed() + "px"
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}
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},
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{
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name: "opacity",
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title: "Opacity",
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default: 0,
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options: [0, 0.2, 0.4, 0.6, 0.8],
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initElement: (element, option) => {
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element.style.background = `repeating-conic-gradient(rgba(0, 0, 0, ${option}) 0% 25%, rgba(255, 255, 255, ${option}) 0% 50%) 50% / 10px 10px`
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}
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},
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{
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name: "sharpness",
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title: "Sharpness",
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default: 0,
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options: [0, 0.05, 0.1, 0.2, 0.3],
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initElement: (element, option) => {
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var size = 32
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var blur_amount = parseInt(option * size)
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var sub_element = document.createElement("div")
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sub_element.style.background = `var(--background-color3)`
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sub_element.style.filter = `blur(${blur_amount}px)`
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sub_element.style.width = `${size - 2}px`
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sub_element.style.height = `${size - 2}px`
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sub_element.style["border-radius"] = `${size}px`
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element.style.background = "none"
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element.appendChild(sub_element)
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}
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}
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]
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class EditorHistory {
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constructor(editor) {
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this.editor = editor
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this.events = [] // stack of all events (actions/edits)
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this.current_edit = null
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this.rewind_index = 0 // how many events back into the history we've rewound to. (current state is just after event at index 'length - this.rewind_index - 1')
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}
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push(event) {
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// probably add something here eventually to save state every x events
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if (this.rewind_index != 0) {
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this.events = this.events.slice(0, 0 - this.rewind_index)
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this.rewind_index = 0
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}
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var snapshot_frequency = 20 // (every x edits, take a snapshot of the current drawing state, for faster rewinding)
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if (this.events.length > 0 && this.events.length % snapshot_frequency == 0) {
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event.snapshot = this.editor.layers.drawing.ctx.getImageData(0, 0, this.editor.width, this.editor.height)
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}
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this.events.push(event)
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}
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pushAction(action) {
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this.push({
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type: "action",
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id: action
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})
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}
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editBegin(x, y) {
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this.current_edit = {
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type: "edit",
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id: this.editor.getOptionValue("tool"),
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options: Object.assign({}, this.editor.options),
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points: [{ x: x, y: y }]
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}
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}
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editMove(x, y) {
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if (this.current_edit) {
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this.current_edit.points.push({ x: x, y: y })
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}
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}
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editEnd(x, y) {
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if (this.current_edit) {
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this.push(this.current_edit)
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this.current_edit = null
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}
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}
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clear() {
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this.events = []
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}
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undo() {
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this.rewindTo(this.rewind_index + 1)
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}
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redo() {
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this.rewindTo(this.rewind_index - 1)
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}
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rewindTo(new_rewind_index) {
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if (new_rewind_index < 0 || new_rewind_index > this.events.length) {
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return // do nothing if target index is out of bounds
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}
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var ctx = this.editor.layers.drawing.ctx
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ctx.clearRect(0, 0, this.editor.width, this.editor.height)
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var target_index = this.events.length - 1 - new_rewind_index
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var snapshot_index = target_index
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while (snapshot_index > -1) {
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if (this.events[snapshot_index].snapshot) {
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break
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}
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snapshot_index--
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}
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if (snapshot_index != -1) {
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ctx.putImageData(this.events[snapshot_index].snapshot, 0, 0)
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}
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for (var i = snapshot_index + 1; i <= target_index; i++) {
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var event = this.events[i]
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if (event.type == "action") {
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var action = IMAGE_EDITOR_ACTIONS.find((a) => a.id == event.id)
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action.handler(this.editor)
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} else if (event.type == "edit") {
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var tool = IMAGE_EDITOR_TOOLS.find((t) => t.id == event.id)
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this.editor.setBrush(this.editor.layers.drawing, event.options)
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var first_point = event.points[0]
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tool.begin(this.editor, ctx, first_point.x, first_point.y)
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for (var point_i = 1; point_i < event.points.length; point_i++) {
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tool.move(this.editor, ctx, event.points[point_i].x, event.points[point_i].y)
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}
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var last_point = event.points[event.points.length - 1]
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tool.end(this.editor, ctx, last_point.x, last_point.y)
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}
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}
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// re-set brush to current settings
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this.editor.setBrush(this.editor.layers.drawing)
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this.rewind_index = new_rewind_index
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}
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}
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class ImageEditor {
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constructor(popup, inpainter = false) {
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this.inpainter = inpainter
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this.popup = popup
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this.history = new EditorHistory(this)
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if (inpainter) {
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this.popup.classList.add("inpainter")
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}
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this.drawing = false
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this.temp_previous_tool = null // used for the ctrl-colorpicker functionality
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this.container = popup.querySelector(".editor-controls-center > div")
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this.layers = {}
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var layer_names = ["background", "drawing", "overlay"]
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layer_names.forEach((name) => {
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let canvas = document.createElement("canvas")
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canvas.className = `editor-canvas-${name}`
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this.container.appendChild(canvas)
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this.layers[name] = {
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name: name,
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canvas: canvas,
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ctx: canvas.getContext("2d")
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}
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})
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// add mouse handlers
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this.container.addEventListener("mousedown", this.mouseHandler.bind(this))
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this.container.addEventListener("mouseup", this.mouseHandler.bind(this))
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this.container.addEventListener("mousemove", this.mouseHandler.bind(this))
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this.container.addEventListener("mouseout", this.mouseHandler.bind(this))
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this.container.addEventListener("mouseenter", this.mouseHandler.bind(this))
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this.container.addEventListener("touchstart", this.mouseHandler.bind(this))
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this.container.addEventListener("touchmove", this.mouseHandler.bind(this))
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this.container.addEventListener("touchcancel", this.mouseHandler.bind(this))
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this.container.addEventListener("touchend", this.mouseHandler.bind(this))
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// initialize editor controls
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this.options = {}
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this.optionElements = {}
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IMAGE_EDITOR_SECTIONS.forEach((section) => {
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section.id = `image_editor_${section.name}`
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var sectionElement = document.createElement("div")
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sectionElement.className = section.id
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var title = document.createElement("h4")
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title.innerText = section.title
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sectionElement.appendChild(title)
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var optionsContainer = document.createElement("div")
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optionsContainer.classList.add("editor-options-container")
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this.optionElements[section.name] = []
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section.options.forEach((option, index) => {
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var optionHolder = document.createElement("div")
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var optionElement = document.createElement("div")
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optionHolder.appendChild(optionElement)
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section.initElement(optionElement, option)
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optionElement.addEventListener("click", (target) => this.selectOption(section.name, index))
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optionsContainer.appendChild(optionHolder)
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this.optionElements[section.name].push(optionElement)
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})
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this.selectOption(section.name, section.options.indexOf(section.default))
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sectionElement.appendChild(optionsContainer)
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this.popup.querySelector(".editor-controls-left").appendChild(sectionElement)
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})
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this.custom_color_input = this.popup.querySelector(`input[type="color"]`)
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this.custom_color_input.addEventListener("change", () => {
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this.custom_color_input.parentElement.style.background = this.custom_color_input.value
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this.selectOption("color", 0)
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})
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if (this.inpainter) {
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this.selectOption("color", IMAGE_EDITOR_SECTIONS.find((s) => s.name == "color").options.indexOf("#ffffff"))
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this.selectOption("opacity", IMAGE_EDITOR_SECTIONS.find((s) => s.name == "opacity").options.indexOf(0.4))
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}
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// initialize the right-side controls
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var buttonContainer = document.createElement("div")
|
|
IMAGE_EDITOR_BUTTONS.forEach((button) => {
|
|
var element = document.createElement("div")
|
|
var icon = document.createElement("i")
|
|
element.className = "image-editor-button button"
|
|
icon.className = button.icon
|
|
element.appendChild(icon)
|
|
element.append(button.name)
|
|
buttonContainer.appendChild(element)
|
|
element.addEventListener("click", (event) => button.handler(this))
|
|
})
|
|
var actionsContainer = document.createElement("div")
|
|
var actionsTitle = document.createElement("h4")
|
|
actionsTitle.textContent = "Actions"
|
|
actionsContainer.appendChild(actionsTitle)
|
|
IMAGE_EDITOR_ACTIONS.forEach((action) => {
|
|
var element = document.createElement("div")
|
|
var icon = document.createElement("i")
|
|
element.className = "image-editor-button button"
|
|
if (action.className) {
|
|
element.className += " " + action.className
|
|
}
|
|
icon.className = action.icon
|
|
element.appendChild(icon)
|
|
element.append(action.name)
|
|
actionsContainer.appendChild(element)
|
|
element.addEventListener("click", (event) => this.runAction(action.id))
|
|
})
|
|
this.popup.querySelector(".editor-controls-right").appendChild(actionsContainer)
|
|
this.popup.querySelector(".editor-controls-right").appendChild(buttonContainer)
|
|
|
|
this.keyHandlerBound = this.keyHandler.bind(this)
|
|
|
|
this.setSize(512, 512)
|
|
}
|
|
show() {
|
|
this.popup.classList.add("active")
|
|
document.addEventListener("keydown", this.keyHandlerBound, true)
|
|
document.addEventListener("keyup", this.keyHandlerBound, true)
|
|
}
|
|
hide() {
|
|
this.popup.classList.remove("active")
|
|
document.removeEventListener("keydown", this.keyHandlerBound, true)
|
|
document.removeEventListener("keyup", this.keyHandlerBound, true)
|
|
}
|
|
setSize(width, height) {
|
|
if (width == this.width && height == this.height) {
|
|
return
|
|
}
|
|
|
|
if (width > height) {
|
|
var max_size = Math.min(parseInt(window.innerWidth * 0.9), width, 768)
|
|
var multiplier = max_size / width
|
|
width = (multiplier * width).toFixed()
|
|
height = (multiplier * height).toFixed()
|
|
} else {
|
|
var max_size = Math.min(parseInt(window.innerHeight * 0.9), height, 768)
|
|
var multiplier = max_size / height
|
|
width = (multiplier * width).toFixed()
|
|
height = (multiplier * height).toFixed()
|
|
}
|
|
this.width = parseInt(width)
|
|
this.height = parseInt(height)
|
|
|
|
this.container.style.width = width + "px"
|
|
this.container.style.height = height + "px"
|
|
|
|
Object.values(this.layers).forEach((layer) => {
|
|
layer.canvas.width = width
|
|
layer.canvas.height = height
|
|
})
|
|
|
|
if (this.inpainter) {
|
|
this.saveImage() // We've reset the size of the image so inpainting is different
|
|
}
|
|
this.setBrush()
|
|
this.history.clear()
|
|
}
|
|
get tool() {
|
|
var tool_id = this.getOptionValue("tool")
|
|
return IMAGE_EDITOR_TOOLS.find((t) => t.id == tool_id)
|
|
}
|
|
loadTool() {
|
|
this.drawing = false
|
|
this.container.style.cursor = this.tool.cursor
|
|
}
|
|
setImage(url, width, height) {
|
|
this.setSize(width, height)
|
|
this.layers.background.ctx.clearRect(0, 0, this.width, this.height)
|
|
if (!(url && this.inpainter)) {
|
|
this.layers.drawing.ctx.clearRect(0, 0, this.width, this.height)
|
|
}
|
|
if (url) {
|
|
var image = new Image()
|
|
image.onload = () => {
|
|
this.layers.background.ctx.drawImage(image, 0, 0, this.width, this.height)
|
|
}
|
|
image.src = url
|
|
} else {
|
|
this.layers.background.ctx.fillStyle = "#ffffff"
|
|
this.layers.background.ctx.beginPath()
|
|
this.layers.background.ctx.rect(0, 0, this.width, this.height)
|
|
this.layers.background.ctx.fill()
|
|
}
|
|
this.history.clear()
|
|
}
|
|
saveImage() {
|
|
if (!this.inpainter) {
|
|
// This is not an inpainter, so save the image as the new img2img input
|
|
this.layers.background.ctx.drawImage(this.layers.drawing.canvas, 0, 0, this.width, this.height)
|
|
var base64 = this.layers.background.canvas.toDataURL()
|
|
initImagePreview.src = base64 // this will trigger the rest of the app to use it
|
|
} else {
|
|
// This is an inpainter, so make sure the toggle is set accordingly
|
|
var is_blank = !this.layers.drawing.ctx
|
|
.getImageData(0, 0, this.width, this.height)
|
|
.data.some((channel) => channel !== 0)
|
|
maskSetting.checked = !is_blank
|
|
}
|
|
this.hide()
|
|
}
|
|
getImg() {
|
|
// a drop-in replacement of the drawingboard version
|
|
return this.layers.drawing.canvas.toDataURL()
|
|
}
|
|
setImg(dataUrl) {
|
|
// a drop-in replacement of the drawingboard version
|
|
var image = new Image()
|
|
image.onload = () => {
|
|
var ctx = this.layers.drawing.ctx
|
|
ctx.clearRect(0, 0, this.width, this.height)
|
|
ctx.globalCompositeOperation = "source-over"
|
|
ctx.globalAlpha = 1
|
|
ctx.filter = "none"
|
|
ctx.drawImage(image, 0, 0, this.width, this.height)
|
|
this.setBrush(this.layers.drawing)
|
|
}
|
|
image.src = dataUrl
|
|
}
|
|
runAction(action_id) {
|
|
var action = IMAGE_EDITOR_ACTIONS.find((a) => a.id == action_id)
|
|
if (action.trackHistory) {
|
|
this.history.pushAction(action_id)
|
|
}
|
|
action.handler(this)
|
|
}
|
|
setBrush(layer = null, options = null) {
|
|
if (options == null) {
|
|
options = this.options
|
|
}
|
|
if (layer) {
|
|
layer.ctx.lineCap = "round"
|
|
layer.ctx.lineJoin = "round"
|
|
layer.ctx.lineWidth = options.brush_size
|
|
layer.ctx.fillStyle = options.color
|
|
layer.ctx.strokeStyle = options.color
|
|
var sharpness = parseInt(options.sharpness * options.brush_size)
|
|
layer.ctx.filter = sharpness == 0 ? `none` : `blur(${sharpness}px)`
|
|
layer.ctx.globalAlpha = 1 - options.opacity
|
|
layer.ctx.globalCompositeOperation = "source-over"
|
|
var tool = IMAGE_EDITOR_TOOLS.find((t) => t.id == options.tool)
|
|
if (tool && tool.setBrush) {
|
|
tool.setBrush(editor, layer)
|
|
}
|
|
} else {
|
|
Object.values(["drawing", "overlay"])
|
|
.map((name) => this.layers[name])
|
|
.forEach((l) => {
|
|
this.setBrush(l)
|
|
})
|
|
}
|
|
}
|
|
get ctx_overlay() {
|
|
return this.layers.overlay.ctx
|
|
}
|
|
get ctx_current() {
|
|
// the idea is this will help support having custom layers and editing each one
|
|
return this.layers.drawing.ctx
|
|
}
|
|
get canvas_current() {
|
|
return this.layers.drawing.canvas
|
|
}
|
|
keyHandler(event) {
|
|
// handles keybinds like ctrl+z, ctrl+y
|
|
if (!this.popup.classList.contains("active")) {
|
|
document.removeEventListener("keydown", this.keyHandlerBound)
|
|
document.removeEventListener("keyup", this.keyHandlerBound)
|
|
return // this catches if something else closes the window but doesnt properly unbind the key handler
|
|
}
|
|
|
|
// keybindings
|
|
if (event.type == "keydown") {
|
|
if ((event.key == "z" || event.key == "Z") && event.ctrlKey) {
|
|
if (!event.shiftKey) {
|
|
this.history.undo()
|
|
} else {
|
|
this.history.redo()
|
|
}
|
|
event.stopPropagation()
|
|
event.preventDefault()
|
|
}
|
|
if (event.key == "y" && event.ctrlKey) {
|
|
this.history.redo()
|
|
event.stopPropagation()
|
|
event.preventDefault()
|
|
}
|
|
if (event.key === "Escape") {
|
|
this.hide()
|
|
event.stopPropagation()
|
|
event.preventDefault()
|
|
}
|
|
}
|
|
|
|
// dropper ctrl holding handler stuff
|
|
var dropper_active = this.temp_previous_tool != null
|
|
if (dropper_active && !event.ctrlKey) {
|
|
this.selectOption(
|
|
"tool",
|
|
IMAGE_EDITOR_TOOLS.findIndex((t) => t.id == this.temp_previous_tool)
|
|
)
|
|
this.temp_previous_tool = null
|
|
} else if (!dropper_active && event.ctrlKey) {
|
|
this.temp_previous_tool = this.getOptionValue("tool")
|
|
this.selectOption(
|
|
"tool",
|
|
IMAGE_EDITOR_TOOLS.findIndex((t) => t.id == "colorpicker")
|
|
)
|
|
}
|
|
}
|
|
mouseHandler(event) {
|
|
var bbox = this.layers.overlay.canvas.getBoundingClientRect()
|
|
var x = (event.clientX || 0) - bbox.left
|
|
var y = (event.clientY || 0) - bbox.top
|
|
var type = event.type
|
|
var touchmap = {
|
|
touchstart: "mousedown",
|
|
touchmove: "mousemove",
|
|
touchend: "mouseup",
|
|
touchcancel: "mouseup"
|
|
}
|
|
if (type in touchmap) {
|
|
type = touchmap[type]
|
|
if (event.touches && event.touches[0]) {
|
|
var touch = event.touches[0]
|
|
var x = (touch.clientX || 0) - bbox.left
|
|
var y = (touch.clientY || 0) - bbox.top
|
|
}
|
|
}
|
|
event.preventDefault()
|
|
// do drawing-related stuff
|
|
if (type == "mousedown" || (type == "mouseenter" && event.buttons == 1)) {
|
|
this.drawing = true
|
|
this.tool.begin(this, this.ctx_current, x, y)
|
|
this.tool.begin(this, this.ctx_overlay, x, y, true)
|
|
this.history.editBegin(x, y)
|
|
}
|
|
if (type == "mouseup" || type == "mousemove") {
|
|
if (this.drawing) {
|
|
if (x > 0 && y > 0) {
|
|
this.tool.move(this, this.ctx_current, x, y)
|
|
this.tool.move(this, this.ctx_overlay, x, y, true)
|
|
this.history.editMove(x, y)
|
|
}
|
|
}
|
|
}
|
|
if (type == "mouseup" || type == "mouseout") {
|
|
if (this.drawing) {
|
|
this.drawing = false
|
|
this.tool.end(this, this.ctx_current, x, y)
|
|
this.tool.end(this, this.ctx_overlay, x, y, true)
|
|
this.history.editEnd(x, y)
|
|
}
|
|
}
|
|
}
|
|
getOptionValue(section_name) {
|
|
var section = IMAGE_EDITOR_SECTIONS.find((s) => s.name == section_name)
|
|
return this.options && section_name in this.options ? this.options[section_name] : section.default
|
|
}
|
|
selectOption(section_name, option_index) {
|
|
var section = IMAGE_EDITOR_SECTIONS.find((s) => s.name == section_name)
|
|
var value = section.options[option_index]
|
|
this.options[section_name] = value == "custom" ? section.getCustom(this) : value
|
|
|
|
this.optionElements[section_name].forEach((element) => element.classList.remove("active"))
|
|
this.optionElements[section_name][option_index].classList.add("active")
|
|
|
|
// change the editor
|
|
this.setBrush()
|
|
if (section.name == "tool") {
|
|
this.loadTool()
|
|
}
|
|
}
|
|
}
|
|
|
|
const imageEditor = new ImageEditor(document.getElementById("image-editor"))
|
|
const imageInpainter = new ImageEditor(document.getElementById("image-inpainter"), true)
|
|
|
|
imageEditor.setImage(null, 512, 512)
|
|
imageInpainter.setImage(null, 512, 512)
|
|
|
|
document.getElementById("init_image_button_draw").addEventListener("click", () => {
|
|
imageEditor.show()
|
|
})
|
|
document.getElementById("init_image_button_inpaint").addEventListener("click", () => {
|
|
imageInpainter.show()
|
|
})
|
|
|
|
img2imgUnload() // no init image when the app starts
|
|
|
|
function rgbToHex(rgb) {
|
|
function componentToHex(c) {
|
|
var hex = parseInt(c).toString(16)
|
|
return hex.length == 1 ? "0" + hex : hex
|
|
}
|
|
return "#" + componentToHex(rgb.r) + componentToHex(rgb.g) + componentToHex(rgb.b)
|
|
}
|
|
|
|
function hexToRgb(hex) {
|
|
var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)
|
|
return result
|
|
? {
|
|
r: parseInt(result[1], 16),
|
|
g: parseInt(result[2], 16),
|
|
b: parseInt(result[3], 16)
|
|
}
|
|
: null
|
|
}
|
|
|
|
function pixelCompare(int1, int2) {
|
|
return Math.abs(int1 - int2) < 4
|
|
}
|
|
|
|
// adapted from https://ben.akrin.com/canvas_fill/fill_04.html
|
|
function flood_fill(editor, the_canvas_context, x, y, color) {
|
|
pixel_stack = [{ x: x, y: y }]
|
|
pixels = the_canvas_context.getImageData(0, 0, editor.width, editor.height)
|
|
var linear_cords = (y * editor.width + x) * 4
|
|
var original_color = {
|
|
r: pixels.data[linear_cords],
|
|
g: pixels.data[linear_cords + 1],
|
|
b: pixels.data[linear_cords + 2],
|
|
a: pixels.data[linear_cords + 3]
|
|
}
|
|
|
|
var opacity = color.a / 255
|
|
var new_color = {
|
|
r: parseInt(color.r * opacity + original_color.r * (1 - opacity)),
|
|
g: parseInt(color.g * opacity + original_color.g * (1 - opacity)),
|
|
b: parseInt(color.b * opacity + original_color.b * (1 - opacity))
|
|
}
|
|
|
|
if (
|
|
pixelCompare(new_color.r, original_color.r) &&
|
|
pixelCompare(new_color.g, original_color.g) &&
|
|
pixelCompare(new_color.b, original_color.b)
|
|
) {
|
|
return // This color is already the color we want, so do nothing
|
|
}
|
|
var max_stack_size = editor.width * editor.height
|
|
while (pixel_stack.length > 0 && pixel_stack.length < max_stack_size) {
|
|
new_pixel = pixel_stack.shift()
|
|
x = new_pixel.x
|
|
y = new_pixel.y
|
|
|
|
linear_cords = (y * editor.width + x) * 4
|
|
while (
|
|
y-- >= 0 &&
|
|
pixelCompare(pixels.data[linear_cords], original_color.r) &&
|
|
pixelCompare(pixels.data[linear_cords + 1], original_color.g) &&
|
|
pixelCompare(pixels.data[linear_cords + 2], original_color.b)
|
|
) {
|
|
linear_cords -= editor.width * 4
|
|
}
|
|
linear_cords += editor.width * 4
|
|
y++
|
|
|
|
var reached_left = false
|
|
var reached_right = false
|
|
while (
|
|
y++ < editor.height &&
|
|
pixelCompare(pixels.data[linear_cords], original_color.r) &&
|
|
pixelCompare(pixels.data[linear_cords + 1], original_color.g) &&
|
|
pixelCompare(pixels.data[linear_cords + 2], original_color.b)
|
|
) {
|
|
pixels.data[linear_cords] = new_color.r
|
|
pixels.data[linear_cords + 1] = new_color.g
|
|
pixels.data[linear_cords + 2] = new_color.b
|
|
pixels.data[linear_cords + 3] = 255
|
|
|
|
if (x > 0) {
|
|
if (
|
|
pixelCompare(pixels.data[linear_cords - 4], original_color.r) &&
|
|
pixelCompare(pixels.data[linear_cords - 4 + 1], original_color.g) &&
|
|
pixelCompare(pixels.data[linear_cords - 4 + 2], original_color.b)
|
|
) {
|
|
if (!reached_left) {
|
|
pixel_stack.push({ x: x - 1, y: y })
|
|
reached_left = true
|
|
}
|
|
} else if (reached_left) {
|
|
reached_left = false
|
|
}
|
|
}
|
|
|
|
if (x < editor.width - 1) {
|
|
if (
|
|
pixelCompare(pixels.data[linear_cords + 4], original_color.r) &&
|
|
pixelCompare(pixels.data[linear_cords + 4 + 1], original_color.g) &&
|
|
pixelCompare(pixels.data[linear_cords + 4 + 2], original_color.b)
|
|
) {
|
|
if (!reached_right) {
|
|
pixel_stack.push({ x: x + 1, y: y })
|
|
reached_right = true
|
|
}
|
|
} else if (reached_right) {
|
|
reached_right = false
|
|
}
|
|
}
|
|
|
|
linear_cords += editor.width * 4
|
|
}
|
|
}
|
|
the_canvas_context.putImageData(pixels, 0, 0)
|
|
}
|