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const gdv_686e58ef9a62dcanvas = document.getElementById("gdv_686e58ef9a62dimageCanvas"); const gdv_686e58ef9a62dctx = gdv_686e58ef9a62dcanvas.getContext("2d");
const gdv_686e58ef9a62dthumbnailContainer = document.getElementById("gdv_686e58ef9a62dthumbnailContainer"); const gdv_686e58ef9a62dthumbnailContainerWrapper = document.getElementById("gdv_686e58ef9a62dthumbnailContainerWrapper"); const gdv_686e58ef9a62dzoomInButton = document.getElementById("gdv_686e58ef9a62dzoomIn"); const gdv_686e58ef9a62dzoomOutButton = document.getElementById("gdv_686e58ef9a62dzoomOut"); const gdv_686e58ef9a62dresetZoomButton = document.getElementById("gdv_686e58ef9a62dresetZoom");
const gdv_686e58ef9a62dbrightnessInput = document.getElementById("gdv_686e58ef9a62dbrightness"); const gdv_686e58ef9a62dcontrastInput = document.getElementById("gdv_686e58ef9a62dcontrast"); const gdv_686e58ef9a62dfullscreenButton = document.getElementById("gdv_686e58ef9a62dfullscreen");
const gdv_686e58ef9a62drotateRightButton = document.getElementById("gdv_686e58ef9a62drotateRight"); const gdv_686e58ef9a62drotateLeftButton = document.getElementById("gdv_686e58ef9a62drotateLeft");
const gdv_686e58ef9a62dprevSlideButton = document.getElementById("gdv_686e58ef9a62dprevSlide"); const gdv_686e58ef9a62dnextSlideButton = document.getElementById("gdv_686e58ef9a62dnextSlide"); const gdv_686e58ef9a62dslideNumberDisplay = document.getElementById("gdv_686e58ef9a62dslideNumber"); const gdv_686e58ef9a62dimageName = document.getElementById("gdv_686e58ef9a62dimageName");
let gdv_686e58ef9a62dcurrentSlideIndex = 0;
gdv_686e58ef9a62dbrightnessInput.addEventListener("input", gdv_686e58ef9a62ddrawImage); gdv_686e58ef9a62dcontrastInput.addEventListener("input", gdv_686e58ef9a62ddrawImage);
const gdv_686e58ef9a62dimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1mQ3Q28_MXD-1EnUj-xwvqEUeQQcmSvAV&sz=w3000","name":"1 ComCIV_SUR LA POSTE.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1E4fYOzrmFPT63gxyUdnuVMTb4qTyqMz9&sz=w3000","name":"2 ComCIV_SUR LA POSTE.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1-n3s8Fn2Qs3mZXcRuvMuWXeB5EQH3lq2&sz=w3000","name":"3 ComCIV_SUR LA POSTE.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1p4gUjR4yS--aX6y7CBf_AHjBtA7L-fUh&sz=w3000","name":"4 ComCIV_SUR LA POSTE.jpg"}];
let gdv_686e58ef9a62dscale = 1; let gdv_686e58ef9a62doriginX = 0; let gdv_686e58ef9a62doriginY = 0; const gdv_686e58ef9a62dminScale = 0.1; const gdv_686e58ef9a62dmaxScale = 5; let gdv_686e58ef9a62dcurrentImage = new Image();
let gdv_686e58ef9a62drotationAngle = 0;
gdv_686e58ef9a62drotateRightButton.addEventListener("click", function() { gdv_686e58ef9a62drotationAngle = (gdv_686e58ef9a62drotationAngle + 90) % 360; gdv_686e58ef9a62ddrawImage(); });
gdv_686e58ef9a62drotateLeftButton.addEventListener("click", function() { gdv_686e58ef9a62drotationAngle = (gdv_686e58ef9a62drotationAngle - 90 + 360) % 360; gdv_686e58ef9a62ddrawImage(); });
function filtrerChaine(texte, cacher) { if (!texte) return "";
switch (cacher) { case "chiffre": return texte.replace(/\d/g, "");
case "tout": return "";
case "vide": default: return texte; } }
// Charger la première image par défaut gdv_686e58ef9a62dcurrentImage.src = gdv_686e58ef9a62dimageUrls[0]["url"]; gdv_686e58ef9a62dimageName.innerHTML = filtrerChaine(gdv_686e58ef9a62dimageUrls[0]["name"], "rien"); gdv_686e58ef9a62dcurrentImage.onload = function() {
gdv_686e58ef9a62dupdateSlideNumber(); gdv_686e58ef9a62dresizeCanvas(); gdv_686e58ef9a62ddrawImage(); document.getElementById("gdv_686e58ef9a62dcontrols").style.display = "block"; };
function gdv_686e58ef9a62dupdateSlideNumber() { gdv_686e58ef9a62dslideNumberDisplay.textContent = `${gdv_686e58ef9a62dcurrentSlideIndex + 1} / ${gdv_686e58ef9a62dimageUrls.length}`; }
gdv_686e58ef9a62dprevSlideButton.addEventListener("click", function() { if (gdv_686e58ef9a62dcurrentSlideIndex > 0) { gdv_686e58ef9a62dcurrentSlideIndex--; gdv_686e58ef9a62dloadImage(gdv_686e58ef9a62dcurrentSlideIndex); gdv_686e58ef9a62dupdateSlideNumber(); } });
gdv_686e58ef9a62dnextSlideButton.addEventListener("click", function() { if (gdv_686e58ef9a62dcurrentSlideIndex < gdv_686e58ef9a62dimageUrls.length - 1) { gdv_686e58ef9a62dcurrentSlideIndex++; gdv_686e58ef9a62dloadImage(gdv_686e58ef9a62dcurrentSlideIndex); gdv_686e58ef9a62dupdateSlideNumber(); } }); function gdv_686e58ef9a62dresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_686e58ef9a62dcanvasContainer"); gdv_686e58ef9a62dcanvas.width = container.clientWidth; gdv_686e58ef9a62dcanvas.height = container.clientHeight - 30; gdv_686e58ef9a62dfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_686e58ef9a62ddrawImage(); } window.addEventListener("load", gdv_686e58ef9a62dresizeCanvas); window.addEventListener("resize", gdv_686e58ef9a62dresizeCanvas); function gdv_686e58ef9a62dfitImageToCanvas() { const canvasAspect = gdv_686e58ef9a62dcanvas.width / gdv_686e58ef9a62dcanvas.height; const imageAspect = gdv_686e58ef9a62dcurrentImage.width / gdv_686e58ef9a62dcurrentImage.height; if (imageAspect > canvasAspect) { gdv_686e58ef9a62dscale = gdv_686e58ef9a62dcanvas.width / gdv_686e58ef9a62dcurrentImage.width; } else { gdv_686e58ef9a62dscale = gdv_686e58ef9a62dcanvas.height / gdv_686e58ef9a62dcurrentImage.height; } gdv_686e58ef9a62doriginX = gdv_686e58ef9a62dcanvas.width / 2; gdv_686e58ef9a62doriginY = gdv_686e58ef9a62dcanvas.height / 2; }
function gdv_686e58ef9a62ddrawImage() { gdv_686e58ef9a62dctx.clearRect(0, 0, gdv_686e58ef9a62dcanvas.width, gdv_686e58ef9a62dcanvas.height); gdv_686e58ef9a62dctx.save(); gdv_686e58ef9a62dctx.translate(gdv_686e58ef9a62doriginX, gdv_686e58ef9a62doriginY); gdv_686e58ef9a62dctx.rotate((Math.PI / 180) * gdv_686e58ef9a62drotationAngle); gdv_686e58ef9a62dctx.scale(gdv_686e58ef9a62dscale, gdv_686e58ef9a62dscale);
// Appliquer la luminosité et le contraste gdv_686e58ef9a62dctx.filter = `brightness(${gdv_686e58ef9a62dbrightnessInput.value}) contrast(${gdv_686e58ef9a62dcontrastInput.value})`; gdv_686e58ef9a62dctx.drawImage(gdv_686e58ef9a62dcurrentImage, -gdv_686e58ef9a62dcurrentImage.width/2, -gdv_686e58ef9a62dcurrentImage.height/2); gdv_686e58ef9a62dctx.restore(); }
// Ajouter les miniatures des images gdv_686e58ef9a62dimageUrls.forEach((obj, index) => { const slide = document.createElement("div"); slide.classList.add("swiper-slide"); const img = new Image(); img.loading = "lazy"; img.src = obj["url"]; img.onclick = function() { gdv_686e58ef9a62dloadImage(index); gdv_686e58ef9a62dcurrentSlideIndex = index; gdv_686e58ef9a62dupdateSlideNumber(); }; slide.appendChild(img); gdv_686e58ef9a62dthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_686e58ef9a62dloadImage(index) { gdv_686e58ef9a62dcurrentImage.src = gdv_686e58ef9a62dimageUrls[index]["url"]; gdv_686e58ef9a62dimageName.innerHTML = filtrerChaine(gdv_686e58ef9a62dimageUrls[index]["name"], "rien"); gdv_686e58ef9a62dcurrentImage.onload = function() { gdv_686e58ef9a62dscale = 1; gdv_686e58ef9a62doriginX = 0; gdv_686e58ef9a62doriginY = 0; gdv_686e58ef9a62dfitImageToCanvas(); gdv_686e58ef9a62ddrawImage(); };
const thumbnails = document.querySelectorAll(".swiper-slide"); thumbnails.forEach((thumb, i) => { if (i === index) { thumb.classList.add("active-thumbnail"); } else { thumb.classList.remove("active-thumbnail"); } }); }
// Initialiser Swiper var gdv_686e58ef9a62dswiper = new Swiper(".gdv_686e58ef9a62dswiper-container", { direction: "horizontal", slidesPerView: 8, spaceBetween: 5, breakpoints: { 576: { slidesPerView: 8, spaceBetween: 5 }, 768: { slidesPerView: 9, spaceBetween: 5 }, 992: { slidesPerView: 11, spaceBetween: 5 }, 1200: { slidesPerView: 13, spaceBetween: 5 } }, mousewheel: true, });
document.querySelector(".swiper-slide").classList.add("active-thumbnail");
//gdv_686e58ef9a62dswiper.on("slideChange", function () { // gdv_686e58ef9a62dcurrentSlideIndex = gdv_686e58ef9a62dswiper.activeIndex; // gdv_686e58ef9a62dupdateSlideNumber(); //});
// Plein écran gdv_686e58ef9a62dfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_686e58ef9a62dgd-image-gallery").requestFullscreen().catch(err => { alert(`Erreur lors de la tentative de mise en plein écran: ${err.message}`); }); } else { document.exitFullscreen(); } });
// Impression du canvas
/*printButton.addEventListener("click", function() {
const dataUrl = canvas.toDataURL();
const windowContent = ``;
const printWindow = window.open("", "", "width=800,height=800");
printWindow.document.write(windowContent);
printWindow.document.close();
});
*/
// Gestion du zoom gdv_686e58ef9a62dcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_686e58ef9a62dscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_686e58ef9a62dminScale, Math.min(gdv_686e58ef9a62dmaxScale, newScale)); const scaleRatio = newScale / gdv_686e58ef9a62dscale; gdv_686e58ef9a62doriginX = mouseX - (mouseX - gdv_686e58ef9a62doriginX) * scaleRatio; gdv_686e58ef9a62doriginY = mouseY - (mouseY - gdv_686e58ef9a62doriginY) * scaleRatio; gdv_686e58ef9a62dscale = newScale; gdv_686e58ef9a62ddrawImage(); }); // Gestion du déplacement (pan) let gdv_686e58ef9a62disDragging = false; let gdv_686e58ef9a62dstartX, gdv_686e58ef9a62dstartY; gdv_686e58ef9a62dcanvas.addEventListener("mousedown", function(event) { gdv_686e58ef9a62disDragging = true; gdv_686e58ef9a62dstartX = event.offsetX - gdv_686e58ef9a62doriginX; gdv_686e58ef9a62dstartY = event.offsetY - gdv_686e58ef9a62doriginY; gdv_686e58ef9a62dcanvas.style.cursor = "grabbing"; }); gdv_686e58ef9a62dcanvas.addEventListener("mousemove", function(event) { if (gdv_686e58ef9a62disDragging) { gdv_686e58ef9a62doriginX = event.offsetX - gdv_686e58ef9a62dstartX; gdv_686e58ef9a62doriginY = event.offsetY - gdv_686e58ef9a62dstartY; gdv_686e58ef9a62ddrawImage(); } }); // Gestion des événements tactiles gdv_686e58ef9a62dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_686e58ef9a62disDragging = true; const touch = event.touches[0]; gdv_686e58ef9a62dstartX = touch.pageX - gdv_686e58ef9a62doriginX; gdv_686e58ef9a62dstartY = touch.pageY - gdv_686e58ef9a62doriginY; } }); gdv_686e58ef9a62dcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_686e58ef9a62doriginX = touch.pageX - gdv_686e58ef9a62dstartX; gdv_686e58ef9a62doriginY = touch.pageY - gdv_686e58ef9a62dstartY; gdv_686e58ef9a62ddrawImage(); }); gdv_686e58ef9a62dcanvas.addEventListener("touchend", function() { gdv_686e58ef9a62disDragging = false; }); gdv_686e58ef9a62dcanvas.addEventListener("mouseup", function() { gdv_686e58ef9a62disDragging = false; gdv_686e58ef9a62dcanvas.style.cursor = "grab"; }); gdv_686e58ef9a62dcanvas.addEventListener("mouseleave", function() { gdv_686e58ef9a62disDragging = false; gdv_686e58ef9a62dcanvas.style.cursor = "grab"; }); gdv_686e58ef9a62dzoomInButton.addEventListener("click", function() { let newScale = gdv_686e58ef9a62dscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_686e58ef9a62dscale = Math.max(gdv_686e58ef9a62dminScale, Math.min(gdv_686e58ef9a62dmaxScale, newScale)); gdv_686e58ef9a62ddrawImage(); }); gdv_686e58ef9a62dzoomOutButton.addEventListener("click", function() { let newScale = gdv_686e58ef9a62dscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_686e58ef9a62dscale = Math.max(gdv_686e58ef9a62dminScale, Math.min(gdv_686e58ef9a62dmaxScale, newScale)); gdv_686e58ef9a62ddrawImage(); }); gdv_686e58ef9a62dresetZoomButton.addEventListener("click", function() { gdv_686e58ef9a62drotationAngle = 0; gdv_686e58ef9a62dfitImageToCanvas(); gdv_686e58ef9a62ddrawImage(); }); function gdv_686e58ef9a62dgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_686e58ef9a62ddownloadImage").addEventListener("click", function() { let url = gdv_686e58ef9a62dcurrentImage.src; const imageId = gdv_686e58ef9a62dgetImageIdFromUrl(url); const apiUrl = `${window.location.origin}/wp-json/gdv/v1/download-image?image_id=${imageId}`; fetch(apiUrl) .then(response => response.blob()) .then(blob => { const url = window.URL.createObjectURL(blob); const a = document.createElement("a"); a.style.display = "none"; a.href = url; a.download = `${imageId}.jpg`; document.body.appendChild(a); a.click(); window.URL.revokeObjectURL(url); }) .catch(error => console.error("Error downloading image:", error)); });
function gdv_686e58ef9a62dprintImageFromApi(imageId) { const apiUrl = `${window.location.origin}/wp-json/gdv/v1/download-image?image_id=${imageId}`;
fetch(apiUrl) .then(response => response.blob()) .then(blob => { const url = URL.createObjectURL(blob); const printWindow = window.open("", "_blank"); printWindow.document.write(`
const gdv_686e58ef9a62dprintButton = document.getElementById("gdv_686e58ef9a62dprintCanvas");
gdv_686e58ef9a62dprintButton.addEventListener("click", function() { let url = gdv_686e58ef9a62dcurrentImage.src; const imageId = gdv_686e58ef9a62dgetImageIdFromUrl(url); gdv_686e58ef9a62dprintImageFromApi(imageId); });
let gdv_686e58ef9a62dinitialDistance = 0; let gdv_686e58ef9a62dinitialScale = 1;
gdv_686e58ef9a62dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_686e58ef9a62dinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_686e58ef9a62dinitialScale = gdv_686e58ef9a62dscale; } });
gdv_686e58ef9a62dcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_686e58ef9a62dinitialDistance; let newScale = gdv_686e58ef9a62dinitialScale * scaleChange;
newScale = Math.max(gdv_686e58ef9a62dminScale, Math.min(gdv_686e58ef9a62dmaxScale, newScale));
const centerX = (event.touches[0].pageX + event.touches[1].pageX) / 2; const centerY = (event.touches[0].pageY + event.touches[1].pageY) / 2;
const scaleRatio = newScale / gdv_686e58ef9a62dscale; gdv_686e58ef9a62doriginX = centerX - (centerX - gdv_686e58ef9a62doriginX) * scaleRatio; gdv_686e58ef9a62doriginY = centerY - (centerY - gdv_686e58ef9a62doriginY) * scaleRatio;
gdv_686e58ef9a62dscale = newScale; gdv_686e58ef9a62ddrawImage(); // Remplacez par votre fonction de dessin } });
function getDistance(touch1, touch2) { const dx = touch2.pageX - touch1.pageX; const dy = touch2.pageY - touch1.pageY; return Math.sqrt(dx * dx + dy * dy); }