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const gdv_6adb5689ad3bfcanvas = document.getElementById("gdv_6adb5689ad3bfimageCanvas"); const gdv_6adb5689ad3bfctx = gdv_6adb5689ad3bfcanvas.getContext("2d");
const gdv_6adb5689ad3bfthumbnailContainer = document.getElementById("gdv_6adb5689ad3bfthumbnailContainer"); const gdv_6adb5689ad3bfthumbnailContainerWrapper = document.getElementById("gdv_6adb5689ad3bfthumbnailContainerWrapper"); const gdv_6adb5689ad3bfzoomInButton = document.getElementById("gdv_6adb5689ad3bfzoomIn"); const gdv_6adb5689ad3bfzoomOutButton = document.getElementById("gdv_6adb5689ad3bfzoomOut"); const gdv_6adb5689ad3bfresetZoomButton = document.getElementById("gdv_6adb5689ad3bfresetZoom");
const gdv_6adb5689ad3bfbrightnessInput = document.getElementById("gdv_6adb5689ad3bfbrightness"); const gdv_6adb5689ad3bfcontrastInput = document.getElementById("gdv_6adb5689ad3bfcontrast"); const gdv_6adb5689ad3bffullscreenButton = document.getElementById("gdv_6adb5689ad3bffullscreen");
const gdv_6adb5689ad3bfrotateRightButton = document.getElementById("gdv_6adb5689ad3bfrotateRight"); const gdv_6adb5689ad3bfrotateLeftButton = document.getElementById("gdv_6adb5689ad3bfrotateLeft");
const gdv_6adb5689ad3bfprevSlideButton = document.getElementById("gdv_6adb5689ad3bfprevSlide"); const gdv_6adb5689ad3bfnextSlideButton = document.getElementById("gdv_6adb5689ad3bfnextSlide"); const gdv_6adb5689ad3bfslideNumberDisplay = document.getElementById("gdv_6adb5689ad3bfslideNumber"); const gdv_6adb5689ad3bfimageName = document.getElementById("gdv_6adb5689ad3bfimageName");
let gdv_6adb5689ad3bfcurrentSlideIndex = 0;
gdv_6adb5689ad3bfbrightnessInput.addEventListener("input", gdv_6adb5689ad3bfdrawImage); gdv_6adb5689ad3bfcontrastInput.addEventListener("input", gdv_6adb5689ad3bfdrawImage);
const gdv_6adb5689ad3bfimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1lXZ3HxGrCBi5Sip4kPGcPD-IxNWZx3wA&sz=w3000","name":"EPOL_Interdiction des de\u0301signations de couleur.jpg"}];
let gdv_6adb5689ad3bfscale = 1; let gdv_6adb5689ad3bforiginX = 0; let gdv_6adb5689ad3bforiginY = 0; const gdv_6adb5689ad3bfminScale = 0.1; const gdv_6adb5689ad3bfmaxScale = 5; let gdv_6adb5689ad3bfcurrentImage = new Image();
let gdv_6adb5689ad3bfrotationAngle = 0;
gdv_6adb5689ad3bfrotateRightButton.addEventListener("click", function() { gdv_6adb5689ad3bfrotationAngle = (gdv_6adb5689ad3bfrotationAngle + 90) % 360; gdv_6adb5689ad3bfdrawImage(); });
gdv_6adb5689ad3bfrotateLeftButton.addEventListener("click", function() { gdv_6adb5689ad3bfrotationAngle = (gdv_6adb5689ad3bfrotationAngle - 90 + 360) % 360; gdv_6adb5689ad3bfdrawImage(); });
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_6adb5689ad3bfcurrentImage.src = gdv_6adb5689ad3bfimageUrls[0]["url"]; gdv_6adb5689ad3bfimageName.innerHTML = filtrerChaine(gdv_6adb5689ad3bfimageUrls[0]["name"], "rien"); gdv_6adb5689ad3bfcurrentImage.onload = function() {
gdv_6adb5689ad3bfupdateSlideNumber(); gdv_6adb5689ad3bfresizeCanvas(); gdv_6adb5689ad3bfdrawImage(); document.getElementById("gdv_6adb5689ad3bfcontrols").style.display = "block"; };
function gdv_6adb5689ad3bfupdateSlideNumber() { gdv_6adb5689ad3bfslideNumberDisplay.textContent = `${gdv_6adb5689ad3bfcurrentSlideIndex + 1} / ${gdv_6adb5689ad3bfimageUrls.length}`; }
gdv_6adb5689ad3bfprevSlideButton.addEventListener("click", function() { if (gdv_6adb5689ad3bfcurrentSlideIndex > 0) { gdv_6adb5689ad3bfcurrentSlideIndex--; gdv_6adb5689ad3bfloadImage(gdv_6adb5689ad3bfcurrentSlideIndex); gdv_6adb5689ad3bfupdateSlideNumber(); } });
gdv_6adb5689ad3bfnextSlideButton.addEventListener("click", function() { if (gdv_6adb5689ad3bfcurrentSlideIndex < gdv_6adb5689ad3bfimageUrls.length - 1) { gdv_6adb5689ad3bfcurrentSlideIndex++; gdv_6adb5689ad3bfloadImage(gdv_6adb5689ad3bfcurrentSlideIndex); gdv_6adb5689ad3bfupdateSlideNumber(); } }); function gdv_6adb5689ad3bfresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_6adb5689ad3bfcanvasContainer"); gdv_6adb5689ad3bfcanvas.width = container.clientWidth; gdv_6adb5689ad3bfcanvas.height = container.clientHeight - 30; gdv_6adb5689ad3bffitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_6adb5689ad3bfdrawImage(); } window.addEventListener("load", gdv_6adb5689ad3bfresizeCanvas); window.addEventListener("resize", gdv_6adb5689ad3bfresizeCanvas); function gdv_6adb5689ad3bffitImageToCanvas() { const canvasAspect = gdv_6adb5689ad3bfcanvas.width / gdv_6adb5689ad3bfcanvas.height; const imageAspect = gdv_6adb5689ad3bfcurrentImage.width / gdv_6adb5689ad3bfcurrentImage.height; if (imageAspect > canvasAspect) { gdv_6adb5689ad3bfscale = gdv_6adb5689ad3bfcanvas.width / gdv_6adb5689ad3bfcurrentImage.width; } else { gdv_6adb5689ad3bfscale = gdv_6adb5689ad3bfcanvas.height / gdv_6adb5689ad3bfcurrentImage.height; } gdv_6adb5689ad3bforiginX = gdv_6adb5689ad3bfcanvas.width / 2; gdv_6adb5689ad3bforiginY = gdv_6adb5689ad3bfcanvas.height / 2; }
function gdv_6adb5689ad3bfdrawImage() { gdv_6adb5689ad3bfctx.clearRect(0, 0, gdv_6adb5689ad3bfcanvas.width, gdv_6adb5689ad3bfcanvas.height); gdv_6adb5689ad3bfctx.save(); gdv_6adb5689ad3bfctx.translate(gdv_6adb5689ad3bforiginX, gdv_6adb5689ad3bforiginY); gdv_6adb5689ad3bfctx.rotate((Math.PI / 180) * gdv_6adb5689ad3bfrotationAngle); gdv_6adb5689ad3bfctx.scale(gdv_6adb5689ad3bfscale, gdv_6adb5689ad3bfscale);
// Appliquer la luminosité et le contraste gdv_6adb5689ad3bfctx.filter = `brightness(${gdv_6adb5689ad3bfbrightnessInput.value}) contrast(${gdv_6adb5689ad3bfcontrastInput.value})`; gdv_6adb5689ad3bfctx.drawImage(gdv_6adb5689ad3bfcurrentImage, -gdv_6adb5689ad3bfcurrentImage.width/2, -gdv_6adb5689ad3bfcurrentImage.height/2); gdv_6adb5689ad3bfctx.restore(); }
// Ajouter les miniatures des images gdv_6adb5689ad3bfimageUrls.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_6adb5689ad3bfloadImage(index); gdv_6adb5689ad3bfcurrentSlideIndex = index; gdv_6adb5689ad3bfupdateSlideNumber(); }; slide.appendChild(img); gdv_6adb5689ad3bfthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_6adb5689ad3bfloadImage(index) { gdv_6adb5689ad3bfcurrentImage.src = gdv_6adb5689ad3bfimageUrls[index]["url"]; gdv_6adb5689ad3bfimageName.innerHTML = filtrerChaine(gdv_6adb5689ad3bfimageUrls[index]["name"], "rien"); gdv_6adb5689ad3bfcurrentImage.onload = function() { gdv_6adb5689ad3bfscale = 1; gdv_6adb5689ad3bforiginX = 0; gdv_6adb5689ad3bforiginY = 0; gdv_6adb5689ad3bffitImageToCanvas(); gdv_6adb5689ad3bfdrawImage(); };
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_6adb5689ad3bfswiper = new Swiper(".gdv_6adb5689ad3bfswiper-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_6adb5689ad3bfswiper.on("slideChange", function () { // gdv_6adb5689ad3bfcurrentSlideIndex = gdv_6adb5689ad3bfswiper.activeIndex; // gdv_6adb5689ad3bfupdateSlideNumber(); //});
// Plein écran gdv_6adb5689ad3bffullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_6adb5689ad3bfgd-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_6adb5689ad3bfcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_6adb5689ad3bfscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_6adb5689ad3bfminScale, Math.min(gdv_6adb5689ad3bfmaxScale, newScale)); const scaleRatio = newScale / gdv_6adb5689ad3bfscale; gdv_6adb5689ad3bforiginX = mouseX - (mouseX - gdv_6adb5689ad3bforiginX) * scaleRatio; gdv_6adb5689ad3bforiginY = mouseY - (mouseY - gdv_6adb5689ad3bforiginY) * scaleRatio; gdv_6adb5689ad3bfscale = newScale; gdv_6adb5689ad3bfdrawImage(); }); // Gestion du déplacement (pan) let gdv_6adb5689ad3bfisDragging = false; let gdv_6adb5689ad3bfstartX, gdv_6adb5689ad3bfstartY; gdv_6adb5689ad3bfcanvas.addEventListener("mousedown", function(event) { gdv_6adb5689ad3bfisDragging = true; gdv_6adb5689ad3bfstartX = event.offsetX - gdv_6adb5689ad3bforiginX; gdv_6adb5689ad3bfstartY = event.offsetY - gdv_6adb5689ad3bforiginY; gdv_6adb5689ad3bfcanvas.style.cursor = "grabbing"; }); gdv_6adb5689ad3bfcanvas.addEventListener("mousemove", function(event) { if (gdv_6adb5689ad3bfisDragging) { gdv_6adb5689ad3bforiginX = event.offsetX - gdv_6adb5689ad3bfstartX; gdv_6adb5689ad3bforiginY = event.offsetY - gdv_6adb5689ad3bfstartY; gdv_6adb5689ad3bfdrawImage(); } }); // Gestion des événements tactiles gdv_6adb5689ad3bfcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_6adb5689ad3bfisDragging = true; const touch = event.touches[0]; gdv_6adb5689ad3bfstartX = touch.pageX - gdv_6adb5689ad3bforiginX; gdv_6adb5689ad3bfstartY = touch.pageY - gdv_6adb5689ad3bforiginY; } }); gdv_6adb5689ad3bfcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_6adb5689ad3bforiginX = touch.pageX - gdv_6adb5689ad3bfstartX; gdv_6adb5689ad3bforiginY = touch.pageY - gdv_6adb5689ad3bfstartY; gdv_6adb5689ad3bfdrawImage(); }); gdv_6adb5689ad3bfcanvas.addEventListener("touchend", function() { gdv_6adb5689ad3bfisDragging = false; }); gdv_6adb5689ad3bfcanvas.addEventListener("mouseup", function() { gdv_6adb5689ad3bfisDragging = false; gdv_6adb5689ad3bfcanvas.style.cursor = "grab"; }); gdv_6adb5689ad3bfcanvas.addEventListener("mouseleave", function() { gdv_6adb5689ad3bfisDragging = false; gdv_6adb5689ad3bfcanvas.style.cursor = "grab"; }); gdv_6adb5689ad3bfzoomInButton.addEventListener("click", function() { let newScale = gdv_6adb5689ad3bfscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_6adb5689ad3bfscale = Math.max(gdv_6adb5689ad3bfminScale, Math.min(gdv_6adb5689ad3bfmaxScale, newScale)); gdv_6adb5689ad3bfdrawImage(); }); gdv_6adb5689ad3bfzoomOutButton.addEventListener("click", function() { let newScale = gdv_6adb5689ad3bfscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_6adb5689ad3bfscale = Math.max(gdv_6adb5689ad3bfminScale, Math.min(gdv_6adb5689ad3bfmaxScale, newScale)); gdv_6adb5689ad3bfdrawImage(); }); gdv_6adb5689ad3bfresetZoomButton.addEventListener("click", function() { gdv_6adb5689ad3bfrotationAngle = 0; gdv_6adb5689ad3bffitImageToCanvas(); gdv_6adb5689ad3bfdrawImage(); }); function gdv_6adb5689ad3bfgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_6adb5689ad3bfdownloadImage").addEventListener("click", function() { let url = gdv_6adb5689ad3bfcurrentImage.src; const imageId = gdv_6adb5689ad3bfgetImageIdFromUrl(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_6adb5689ad3bfprintImageFromApi(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_6adb5689ad3bfprintButton = document.getElementById("gdv_6adb5689ad3bfprintCanvas");
gdv_6adb5689ad3bfprintButton.addEventListener("click", function() { let url = gdv_6adb5689ad3bfcurrentImage.src; const imageId = gdv_6adb5689ad3bfgetImageIdFromUrl(url); gdv_6adb5689ad3bfprintImageFromApi(imageId); });
let gdv_6adb5689ad3bfinitialDistance = 0; let gdv_6adb5689ad3bfinitialScale = 1;
gdv_6adb5689ad3bfcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_6adb5689ad3bfinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_6adb5689ad3bfinitialScale = gdv_6adb5689ad3bfscale; } });
gdv_6adb5689ad3bfcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_6adb5689ad3bfinitialDistance; let newScale = gdv_6adb5689ad3bfinitialScale * scaleChange;
newScale = Math.max(gdv_6adb5689ad3bfminScale, Math.min(gdv_6adb5689ad3bfmaxScale, 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_6adb5689ad3bfscale; gdv_6adb5689ad3bforiginX = centerX - (centerX - gdv_6adb5689ad3bforiginX) * scaleRatio; gdv_6adb5689ad3bforiginY = centerY - (centerY - gdv_6adb5689ad3bforiginY) * scaleRatio;
gdv_6adb5689ad3bfscale = newScale; gdv_6adb5689ad3bfdrawImage(); // 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); }