Formatted Prettier added fullscreen mode canvas expansion function

This commit is contained in:
Danil Boldyrev 2023-05-28 01:31:23 +03:00
parent 662af75973
commit 433c70b403

View File

@ -41,11 +41,22 @@ onUiLoaded(async () => {
targetElement.style.transform = `scale(${zoomLevel}) translate(${panX}px, ${panY}px)`;
const canvas = document.querySelector(`${elemId} canvas[key="interface"]`);
const canvas = document.querySelector(
`${elemId} canvas[key="interface"]`
);
toggleOverlap("off");
fullScreenMode = false;
if (
canvas &&
parseFloat(canvas.style.width) > 865 &&
parseFloat(targetElement.style.width) > 865
) {
fitToElement();
return;
}
targetElement.style.width = "";
if (canvas) {
targetElement.style.height = canvas.style.height;
@ -137,24 +148,82 @@ onUiLoaded(async () => {
}
/**
* This function fits the target element to the screen by calculating
* the required scale and offsets. It also updates the global variables
* zoomLevel, panX, and panY to reflect the new state.
*/
* This function fits the target element to the screen by calculating
* the required scale and offsets. It also updates the global variables
* zoomLevel, panX, and panY to reflect the new state.
*/
function fitToElement() {
//Reset Zoom
targetElement.style.transform = `translate(${0}px, ${0}px) scale(${1})`;
// Get element and screen dimensions
const elementWidth = targetElement.offsetWidth;
const elementHeight = targetElement.offsetHeight;
const parentElement = targetElement.parentElement;
const screenWidth = parentElement.clientWidth;
const screenHeight = parentElement.clientHeight;
// Get element's coordinates relative to the parent element
const elementRect = targetElement.getBoundingClientRect();
const parentRect = parentElement.getBoundingClientRect();
const elementX = elementRect.x - parentRect.x;
// Calculate scale and offsets
const scaleX = screenWidth / elementWidth;
const scaleY = screenHeight / elementHeight;
const scale = Math.min(scaleX, scaleY);
const transformOrigin =
window.getComputedStyle(targetElement).transformOrigin;
const [originX, originY] = transformOrigin.split(" ");
const originXValue = parseFloat(originX);
const originYValue = parseFloat(originY);
const offsetX =
(screenWidth - elementWidth * scale) / 2 - originXValue * (1 - scale);
const offsetY =
(screenHeight - elementHeight * scale) / 2.5 -
originYValue * (1 - scale);
// Apply scale and offsets to the element
targetElement.style.transform = `translate(${offsetX}px, ${offsetY}px) scale(${scale})`;
// Update global variables
zoomLevel = scale;
panX = offsetX;
panY = offsetY;
fullScreenMode = false;
toggleOverlap("off");
}
/**
* This function fits the target element to the screen by calculating
* the required scale and offsets. It also updates the global variables
* zoomLevel, panX, and panY to reflect the new state.
*/
// Fullscreen mode
function fitToScreen() {
const canvas = document.querySelector(`${elemId} canvas[key="interface"]`);
const canvas = document.querySelector(
`${elemId} canvas[key="interface"]`
);
if (!canvas) return;
if (canvas.offsetWidth > 862) {
targetElement.style.width = canvas.offsetWidth + "px";
}
if (fullScreenMode) {
resetZoom();
fullScreenMode = false;
return;
}
resetZoom();
//Reset Zoom
targetElement.style.transform = `translate(${0}px, ${0}px) scale(${1})`;
// Get element and screen dimensions
const elementWidth = targetElement.offsetWidth;
@ -180,8 +249,14 @@ onUiLoaded(async () => {
const originYValue = parseFloat(originY);
// Calculate offsets with respect to the transformOrigin
const offsetX = (screenWidth - elementWidth * scale) / 2 - elementX - originXValue * (1 - scale);
const offsetY = (screenHeight - elementHeight * scale) / 2 - elementY - originYValue * (1 - scale);
const offsetX =
(screenWidth - elementWidth * scale) / 2 -
elementX -
originXValue * (1 - scale);
const offsetY =
(screenHeight - elementHeight * scale) / 2 -
elementY -
originYValue * (1 - scale);
// Apply scale and offsets to the element
targetElement.style.transform = `translate(${offsetX}px, ${offsetY}px) scale(${scale})`;
@ -191,8 +266,8 @@ onUiLoaded(async () => {
panX = offsetX;
panY = offsetY;
toggleOverlap("on");
fullScreenMode = true;
toggleOverlap("on");
}
// Handle keydown events
@ -208,8 +283,7 @@ onUiLoaded(async () => {
if (action) {
event.preventDefault();
action(event);
}
}
}
// Get Mouse position
@ -243,6 +317,9 @@ onUiLoaded(async () => {
// Reset zoom when click on another tab
elements.img2imgTabs.addEventListener("click", resetZoom);
elements.img2imgTabs.addEventListener("click", () => {
targetElement.style.width = "";
});
targetElement.addEventListener("wheel", (e) => {
// change zoom level
@ -259,12 +336,12 @@ onUiLoaded(async () => {
});
/**
* Handle the move event for pan functionality. Updates the panX and panY variables and applies the new transform to the target element.
* @param {MouseEvent} e - The mouse event.
*/
* Handle the move event for pan functionality. Updates the panX and panY variables and applies the new transform to the target element.
* @param {MouseEvent} e - The mouse event.
*/
function handleMoveKeyDown(e) {
if (e.code === hotkeysConfig.moveKey) {
if(!e.ctrlKey && !e.metaKey){
if (!e.ctrlKey && !e.metaKey) {
isMoving = true;
}
}