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const gdv_686e077ee30edcanvas = document.getElementById("gdv_686e077ee30edimageCanvas"); const gdv_686e077ee30edctx = gdv_686e077ee30edcanvas.getContext("2d");
const gdv_686e077ee30edthumbnailContainer = document.getElementById("gdv_686e077ee30edthumbnailContainer"); const gdv_686e077ee30edthumbnailContainerWrapper = document.getElementById("gdv_686e077ee30edthumbnailContainerWrapper"); const gdv_686e077ee30edzoomInButton = document.getElementById("gdv_686e077ee30edzoomIn"); const gdv_686e077ee30edzoomOutButton = document.getElementById("gdv_686e077ee30edzoomOut"); const gdv_686e077ee30edresetZoomButton = document.getElementById("gdv_686e077ee30edresetZoom");
const gdv_686e077ee30edbrightnessInput = document.getElementById("gdv_686e077ee30edbrightness"); const gdv_686e077ee30edcontrastInput = document.getElementById("gdv_686e077ee30edcontrast"); const gdv_686e077ee30edfullscreenButton = document.getElementById("gdv_686e077ee30edfullscreen");
const gdv_686e077ee30edrotateRightButton = document.getElementById("gdv_686e077ee30edrotateRight"); const gdv_686e077ee30edrotateLeftButton = document.getElementById("gdv_686e077ee30edrotateLeft");
const gdv_686e077ee30edprevSlideButton = document.getElementById("gdv_686e077ee30edprevSlide"); const gdv_686e077ee30ednextSlideButton = document.getElementById("gdv_686e077ee30ednextSlide"); const gdv_686e077ee30edslideNumberDisplay = document.getElementById("gdv_686e077ee30edslideNumber"); const gdv_686e077ee30edimageName = document.getElementById("gdv_686e077ee30edimageName");
let gdv_686e077ee30edcurrentSlideIndex = 0;
gdv_686e077ee30edbrightnessInput.addEventListener("input", gdv_686e077ee30eddrawImage); gdv_686e077ee30edcontrastInput.addEventListener("input", gdv_686e077ee30eddrawImage);
const gdv_686e077ee30edimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1TfoGnl1dK0DMYAw44K87vq4Ys3pGzRPP&sz=w3000","name":"EPOL et LFS_ Interdiction de la Croix de Saint-Louis.jpg"}];
let gdv_686e077ee30edscale = 1; let gdv_686e077ee30edoriginX = 0; let gdv_686e077ee30edoriginY = 0; const gdv_686e077ee30edminScale = 0.1; const gdv_686e077ee30edmaxScale = 5; let gdv_686e077ee30edcurrentImage = new Image();
let gdv_686e077ee30edrotationAngle = 0;
gdv_686e077ee30edrotateRightButton.addEventListener("click", function() { gdv_686e077ee30edrotationAngle = (gdv_686e077ee30edrotationAngle + 90) % 360; gdv_686e077ee30eddrawImage(); });
gdv_686e077ee30edrotateLeftButton.addEventListener("click", function() { gdv_686e077ee30edrotationAngle = (gdv_686e077ee30edrotationAngle - 90 + 360) % 360; gdv_686e077ee30eddrawImage(); });
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_686e077ee30edcurrentImage.src = gdv_686e077ee30edimageUrls[0]["url"]; gdv_686e077ee30edimageName.innerHTML = filtrerChaine(gdv_686e077ee30edimageUrls[0]["name"], "rien"); gdv_686e077ee30edcurrentImage.onload = function() {
gdv_686e077ee30edupdateSlideNumber(); gdv_686e077ee30edresizeCanvas(); gdv_686e077ee30eddrawImage(); document.getElementById("gdv_686e077ee30edcontrols").style.display = "block"; };
function gdv_686e077ee30edupdateSlideNumber() { gdv_686e077ee30edslideNumberDisplay.textContent = `${gdv_686e077ee30edcurrentSlideIndex + 1} / ${gdv_686e077ee30edimageUrls.length}`; }
gdv_686e077ee30edprevSlideButton.addEventListener("click", function() { if (gdv_686e077ee30edcurrentSlideIndex > 0) { gdv_686e077ee30edcurrentSlideIndex--; gdv_686e077ee30edloadImage(gdv_686e077ee30edcurrentSlideIndex); gdv_686e077ee30edupdateSlideNumber(); } });
gdv_686e077ee30ednextSlideButton.addEventListener("click", function() { if (gdv_686e077ee30edcurrentSlideIndex < gdv_686e077ee30edimageUrls.length - 1) { gdv_686e077ee30edcurrentSlideIndex++; gdv_686e077ee30edloadImage(gdv_686e077ee30edcurrentSlideIndex); gdv_686e077ee30edupdateSlideNumber(); } }); function gdv_686e077ee30edresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_686e077ee30edcanvasContainer"); gdv_686e077ee30edcanvas.width = container.clientWidth; gdv_686e077ee30edcanvas.height = container.clientHeight - 30; gdv_686e077ee30edfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_686e077ee30eddrawImage(); } window.addEventListener("load", gdv_686e077ee30edresizeCanvas); window.addEventListener("resize", gdv_686e077ee30edresizeCanvas); function gdv_686e077ee30edfitImageToCanvas() { const canvasAspect = gdv_686e077ee30edcanvas.width / gdv_686e077ee30edcanvas.height; const imageAspect = gdv_686e077ee30edcurrentImage.width / gdv_686e077ee30edcurrentImage.height; if (imageAspect > canvasAspect) { gdv_686e077ee30edscale = gdv_686e077ee30edcanvas.width / gdv_686e077ee30edcurrentImage.width; } else { gdv_686e077ee30edscale = gdv_686e077ee30edcanvas.height / gdv_686e077ee30edcurrentImage.height; } gdv_686e077ee30edoriginX = gdv_686e077ee30edcanvas.width / 2; gdv_686e077ee30edoriginY = gdv_686e077ee30edcanvas.height / 2; }
function gdv_686e077ee30eddrawImage() { gdv_686e077ee30edctx.clearRect(0, 0, gdv_686e077ee30edcanvas.width, gdv_686e077ee30edcanvas.height); gdv_686e077ee30edctx.save(); gdv_686e077ee30edctx.translate(gdv_686e077ee30edoriginX, gdv_686e077ee30edoriginY); gdv_686e077ee30edctx.rotate((Math.PI / 180) * gdv_686e077ee30edrotationAngle); gdv_686e077ee30edctx.scale(gdv_686e077ee30edscale, gdv_686e077ee30edscale);
// Appliquer la luminosité et le contraste gdv_686e077ee30edctx.filter = `brightness(${gdv_686e077ee30edbrightnessInput.value}) contrast(${gdv_686e077ee30edcontrastInput.value})`; gdv_686e077ee30edctx.drawImage(gdv_686e077ee30edcurrentImage, -gdv_686e077ee30edcurrentImage.width/2, -gdv_686e077ee30edcurrentImage.height/2); gdv_686e077ee30edctx.restore(); }
// Ajouter les miniatures des images gdv_686e077ee30edimageUrls.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_686e077ee30edloadImage(index); gdv_686e077ee30edcurrentSlideIndex = index; gdv_686e077ee30edupdateSlideNumber(); }; slide.appendChild(img); gdv_686e077ee30edthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_686e077ee30edloadImage(index) { gdv_686e077ee30edcurrentImage.src = gdv_686e077ee30edimageUrls[index]["url"]; gdv_686e077ee30edimageName.innerHTML = filtrerChaine(gdv_686e077ee30edimageUrls[index]["name"], "rien"); gdv_686e077ee30edcurrentImage.onload = function() { gdv_686e077ee30edscale = 1; gdv_686e077ee30edoriginX = 0; gdv_686e077ee30edoriginY = 0; gdv_686e077ee30edfitImageToCanvas(); gdv_686e077ee30eddrawImage(); };
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_686e077ee30edswiper = new Swiper(".gdv_686e077ee30edswiper-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_686e077ee30edswiper.on("slideChange", function () { // gdv_686e077ee30edcurrentSlideIndex = gdv_686e077ee30edswiper.activeIndex; // gdv_686e077ee30edupdateSlideNumber(); //});
// Plein écran gdv_686e077ee30edfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_686e077ee30edgd-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_686e077ee30edcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_686e077ee30edscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_686e077ee30edminScale, Math.min(gdv_686e077ee30edmaxScale, newScale)); const scaleRatio = newScale / gdv_686e077ee30edscale; gdv_686e077ee30edoriginX = mouseX - (mouseX - gdv_686e077ee30edoriginX) * scaleRatio; gdv_686e077ee30edoriginY = mouseY - (mouseY - gdv_686e077ee30edoriginY) * scaleRatio; gdv_686e077ee30edscale = newScale; gdv_686e077ee30eddrawImage(); }); // Gestion du déplacement (pan) let gdv_686e077ee30edisDragging = false; let gdv_686e077ee30edstartX, gdv_686e077ee30edstartY; gdv_686e077ee30edcanvas.addEventListener("mousedown", function(event) { gdv_686e077ee30edisDragging = true; gdv_686e077ee30edstartX = event.offsetX - gdv_686e077ee30edoriginX; gdv_686e077ee30edstartY = event.offsetY - gdv_686e077ee30edoriginY; gdv_686e077ee30edcanvas.style.cursor = "grabbing"; }); gdv_686e077ee30edcanvas.addEventListener("mousemove", function(event) { if (gdv_686e077ee30edisDragging) { gdv_686e077ee30edoriginX = event.offsetX - gdv_686e077ee30edstartX; gdv_686e077ee30edoriginY = event.offsetY - gdv_686e077ee30edstartY; gdv_686e077ee30eddrawImage(); } }); // Gestion des événements tactiles gdv_686e077ee30edcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_686e077ee30edisDragging = true; const touch = event.touches[0]; gdv_686e077ee30edstartX = touch.pageX - gdv_686e077ee30edoriginX; gdv_686e077ee30edstartY = touch.pageY - gdv_686e077ee30edoriginY; } }); gdv_686e077ee30edcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_686e077ee30edoriginX = touch.pageX - gdv_686e077ee30edstartX; gdv_686e077ee30edoriginY = touch.pageY - gdv_686e077ee30edstartY; gdv_686e077ee30eddrawImage(); }); gdv_686e077ee30edcanvas.addEventListener("touchend", function() { gdv_686e077ee30edisDragging = false; }); gdv_686e077ee30edcanvas.addEventListener("mouseup", function() { gdv_686e077ee30edisDragging = false; gdv_686e077ee30edcanvas.style.cursor = "grab"; }); gdv_686e077ee30edcanvas.addEventListener("mouseleave", function() { gdv_686e077ee30edisDragging = false; gdv_686e077ee30edcanvas.style.cursor = "grab"; }); gdv_686e077ee30edzoomInButton.addEventListener("click", function() { let newScale = gdv_686e077ee30edscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_686e077ee30edscale = Math.max(gdv_686e077ee30edminScale, Math.min(gdv_686e077ee30edmaxScale, newScale)); gdv_686e077ee30eddrawImage(); }); gdv_686e077ee30edzoomOutButton.addEventListener("click", function() { let newScale = gdv_686e077ee30edscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_686e077ee30edscale = Math.max(gdv_686e077ee30edminScale, Math.min(gdv_686e077ee30edmaxScale, newScale)); gdv_686e077ee30eddrawImage(); }); gdv_686e077ee30edresetZoomButton.addEventListener("click", function() { gdv_686e077ee30edrotationAngle = 0; gdv_686e077ee30edfitImageToCanvas(); gdv_686e077ee30eddrawImage(); }); function gdv_686e077ee30edgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_686e077ee30eddownloadImage").addEventListener("click", function() { let url = gdv_686e077ee30edcurrentImage.src; const imageId = gdv_686e077ee30edgetImageIdFromUrl(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_686e077ee30edprintImageFromApi(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_686e077ee30edprintButton = document.getElementById("gdv_686e077ee30edprintCanvas");
gdv_686e077ee30edprintButton.addEventListener("click", function() { let url = gdv_686e077ee30edcurrentImage.src; const imageId = gdv_686e077ee30edgetImageIdFromUrl(url); gdv_686e077ee30edprintImageFromApi(imageId); });
let gdv_686e077ee30edinitialDistance = 0; let gdv_686e077ee30edinitialScale = 1;
gdv_686e077ee30edcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_686e077ee30edinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_686e077ee30edinitialScale = gdv_686e077ee30edscale; } });
gdv_686e077ee30edcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_686e077ee30edinitialDistance; let newScale = gdv_686e077ee30edinitialScale * scaleChange;
newScale = Math.max(gdv_686e077ee30edminScale, Math.min(gdv_686e077ee30edmaxScale, 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_686e077ee30edscale; gdv_686e077ee30edoriginX = centerX - (centerX - gdv_686e077ee30edoriginX) * scaleRatio; gdv_686e077ee30edoriginY = centerY - (centerY - gdv_686e077ee30edoriginY) * scaleRatio;
gdv_686e077ee30edscale = newScale; gdv_686e077ee30eddrawImage(); // 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); }