diff options
Diffstat (limited to 'javascript/aspectRatioSliders.js')
| -rw-r--r-- | javascript/aspectRatioSliders.js | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/javascript/aspectRatioSliders.js b/javascript/aspectRatioSliders.js new file mode 100644 index 00000000..3def5158 --- /dev/null +++ b/javascript/aspectRatioSliders.js @@ -0,0 +1,181 @@ +class AspectRatioSliderController {
+ constructor(widthSlider, heightSlider, ratioSource, roundingSource, roundingMethod) {
+ //References
+ this.widthSlider = new SliderComponentController(widthSlider);
+ this.heightSlider = new SliderComponentController(heightSlider);
+ this.ratioSource = new DropdownComponentController(ratioSource);
+ this.roundingSource = new CheckboxComponentController(roundingSource);
+ this.roundingMethod = new RadioComponentController(roundingMethod);
+ this.roundingIndicatorBadge = document.createElement("div");
+ // Badge implementation
+ this.roundingIndicatorBadge.innerText = "📐";
+ this.roundingIndicatorBadge.classList.add("rounding-badge");
+ this.ratioSource.element.appendChild(this.roundingIndicatorBadge);
+ // Check initial value of ratioSource to set badge visbility
+ let initialRatio = this.ratioSource.getVal();
+ if (!initialRatio.includes(":")) {
+ this.roundingIndicatorBadge.style.display = "none";
+ }
+ //Adjust badge icon if rounding is on
+ if (this.roundingSource.getVal()) {
+ //this.roundingIndicatorBadge.classList.add("active");
+ this.roundingIndicatorBadge.innerText = "📏";
+ }
+ //Make badge clickable to toggle setting
+ this.roundingIndicatorBadge.addEventListener("click", () => {
+ this.roundingSource.setVal(!this.roundingSource.getVal());
+ });
+ //Make rounding setting toggle badge text and style if setting changes
+ this.roundingSource.child.addEventListener("change", () => {
+ if (this.roundingSource.getVal()) {
+ //this.roundingIndicatorBadge.classList.add("active");
+ this.roundingIndicatorBadge.innerText = "📏";
+ }
+ else {
+ //this.roundingIndicatorBadge.classList.remove("active");
+ this.roundingIndicatorBadge.innerText = "📐";
+ }
+ this.adjustStepSize();
+ });
+ //Other event listeners
+ this.widthSlider.childRangeField.addEventListener("change", (e) => { e.preventDefault(); this.resize("width"); });
+ this.widthSlider.childNumField.addEventListener("change", (e) => { e.preventDefault(); this.resize("width"); });
+ this.heightSlider.childRangeField.addEventListener("change", (e) => { e.preventDefault(); this.resize("height"); });
+ this.heightSlider.childNumField.addEventListener("change", (e) => { e.preventDefault(); this.resize("height"); });
+ this.ratioSource.childSelector.addEventListener("change", (e) => {
+ e.preventDefault();
+ //Check and toggle display of badge conditionally on dropdown selection
+ if (!this.ratioSource.getVal().includes(":")) {
+ this.roundingIndicatorBadge.style.display = 'none';
+ }
+ else {
+ this.roundingIndicatorBadge.style.display = 'block';
+ }
+ this.adjustStepSize();
+ });
+ }
+ resize(dimension) {
+ //For moving slider or number field
+ let val = this.ratioSource.getVal();
+ if (!val.includes(":")) {
+ return;
+ }
+ let [width, height] = val.split(":").map(Number);
+ let ratio = width / height;
+ if (dimension == 'width') {
+ let newHeight = parseInt(this.widthSlider.getVal()) / ratio;
+ if (this.roundingSource.getVal()) {
+ switch (this.roundingMethod.getVal()) {
+ case 'Round':
+ newHeight = Math.round(newHeight / 8) * 8;
+ break;
+ case 'Ceiling':
+ newHeight = Math.ceil(newHeight / 8) * 8;
+ break;
+ case 'Floor':
+ newHeight = Math.floor(newHeight / 8) * 8;
+ break;
+ }
+ }
+ this.heightSlider.setVal(newHeight.toString());
+ }
+ else if (dimension == "height") {
+ let newWidth = parseInt(this.heightSlider.getVal()) * ratio;
+ if (this.roundingSource.getVal()) {
+ switch (this.roundingMethod.getVal()) {
+ case 'Round':
+ newWidth = Math.round(newWidth / 8) * 8;
+ break;
+ case 'Ceiling':
+ newWidth = Math.ceil(newWidth / 8) * 8;
+ break;
+ case 'Floor':
+ newWidth = Math.floor(newWidth / 8) * 8;
+ break;
+ }
+ }
+ this.widthSlider.setVal(newWidth.toString());
+ }
+ }
+ adjustStepSize() {
+ /* Sets scales/precision/rounding steps;*/
+ let val = this.ratioSource.getVal();
+ if (!val.includes(":")) {
+ //If ratio unlocked
+ this.widthSlider.childRangeField.step = "8";
+ this.widthSlider.childRangeField.min = "64";
+ this.widthSlider.childNumField.step = "8";
+ this.widthSlider.childNumField.min = "64";
+ this.heightSlider.childRangeField.step = "8";
+ this.heightSlider.childRangeField.min = "64";
+ this.heightSlider.childNumField.step = "8";
+ this.heightSlider.childNumField.min = "64";
+ return;
+ }
+ //Format string and calculate step sizes
+ let [width, height] = val.split(":").map(Number);
+ let decimalPlaces = (width.toString().split(".")[1] || []).length;
+ //keep upto 6 decimal points of precision of ratio
+ //euclidean gcd does not support floats, so we scale it up
+ decimalPlaces = decimalPlaces > 6 ? 6 : decimalPlaces;
+ let gcd = this.gcd(width * 10 ** decimalPlaces, height * 10 ** decimalPlaces) / 10 ** decimalPlaces;
+ let stepSize = 8 * height / gcd;
+ let stepSizeOther = 8 * width / gcd;
+ if (this.roundingSource.getVal()) {
+ //If rounding is on set/keep default stepsizes
+ this.widthSlider.childRangeField.step = "8";
+ this.widthSlider.childRangeField.min = "64";
+ this.widthSlider.childNumField.step = "8";
+ this.widthSlider.childNumField.min = "64";
+ this.heightSlider.childRangeField.step = "8";
+ this.heightSlider.childRangeField.min = "64";
+ this.heightSlider.childNumField.step = "8";
+ this.heightSlider.childNumField.min = "64";
+ }
+ else {
+ //if rounding is off, set step sizes so they enforce snapping
+ //min is changed, because it offsets snap positions
+ this.widthSlider.childRangeField.step = stepSizeOther.toString();
+ this.widthSlider.childRangeField.min = stepSizeOther.toString();
+ this.widthSlider.childNumField.step = stepSizeOther.toString();
+ this.widthSlider.childNumField.min = stepSizeOther.toString();
+ this.heightSlider.childRangeField.step = stepSize.toString();
+ this.heightSlider.childRangeField.min = stepSize.toString();
+ this.heightSlider.childNumField.step = stepSize.toString();
+ this.heightSlider.childNumField.min = stepSize.toString();
+ }
+ let currentWidth = parseInt(this.widthSlider.getVal());
+ //Rounding treated kinda like pythons divmod
+ let stepsTaken = Math.round(currentWidth / stepSizeOther);
+ //this snaps it to closest rule matches (rules being html step points, and ratio)
+ let newWidth = stepsTaken * stepSizeOther;
+ this.widthSlider.setVal(newWidth.toString());
+ this.heightSlider.setVal(Math.round(newWidth / (width / height)).toString());
+ }
+ gcd(a, b) {
+ //euclidean gcd
+ if (b === 0) {
+ return a;
+ }
+ return this.gcd(b, a % b);
+ }
+ static observeStartup(widthSliderId, heightSliderId, ratioSourceId, roundingSourceId, roundingMethodId) {
+ let observer = new MutationObserver(() => {
+ let widthSlider = document.querySelector("gradio-app").shadowRoot.getElementById(widthSliderId);
+ let heightSlider = document.querySelector("gradio-app").shadowRoot.getElementById(heightSliderId);
+ let ratioSource = document.querySelector("gradio-app").shadowRoot.getElementById(ratioSourceId);
+ let roundingSource = document.querySelector("gradio-app").shadowRoot.getElementById(roundingSourceId);
+ let roundingMethod = document.querySelector("gradio-app").shadowRoot.getElementById(roundingMethodId);
+ if (widthSlider && heightSlider && ratioSource && roundingSource && roundingMethod) {
+ observer.disconnect();
+ new AspectRatioSliderController(widthSlider, heightSlider, ratioSource, roundingSource, roundingMethod);
+ }
+ });
+ observer.observe(gradioApp(), { childList: true, subtree: true });
+ }
+}
+document.addEventListener("DOMContentLoaded", () => {
+ //Register mutation observer for self start-up;
+ AspectRatioSliderController.observeStartup("txt2img_width", "txt2img_height", "txt2img_ratio", "setting_aspect_ratios_rounding", "setting_aspect_ratios_rounding_method");
+ AspectRatioSliderController.observeStartup("img2img_width", "img2img_height", "img2img_ratio", "setting_aspect_ratios_rounding", "setting_aspect_ratios_rounding_method");
+});
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