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const gdv_6902843539a3ccanvas = document.getElementById("gdv_6902843539a3cimageCanvas"); const gdv_6902843539a3cctx = gdv_6902843539a3ccanvas.getContext("2d");
const gdv_6902843539a3cthumbnailContainer = document.getElementById("gdv_6902843539a3cthumbnailContainer"); const gdv_6902843539a3cthumbnailContainerWrapper = document.getElementById("gdv_6902843539a3cthumbnailContainerWrapper"); const gdv_6902843539a3czoomInButton = document.getElementById("gdv_6902843539a3czoomIn"); const gdv_6902843539a3czoomOutButton = document.getElementById("gdv_6902843539a3czoomOut"); const gdv_6902843539a3cresetZoomButton = document.getElementById("gdv_6902843539a3cresetZoom");
const gdv_6902843539a3cbrightnessInput = document.getElementById("gdv_6902843539a3cbrightness"); const gdv_6902843539a3ccontrastInput = document.getElementById("gdv_6902843539a3ccontrast"); const gdv_6902843539a3cfullscreenButton = document.getElementById("gdv_6902843539a3cfullscreen");
const gdv_6902843539a3crotateRightButton = document.getElementById("gdv_6902843539a3crotateRight"); const gdv_6902843539a3crotateLeftButton = document.getElementById("gdv_6902843539a3crotateLeft");
const gdv_6902843539a3cprevSlideButton = document.getElementById("gdv_6902843539a3cprevSlide"); const gdv_6902843539a3cnextSlideButton = document.getElementById("gdv_6902843539a3cnextSlide"); const gdv_6902843539a3cslideNumberDisplay = document.getElementById("gdv_6902843539a3cslideNumber"); const gdv_6902843539a3cimageName = document.getElementById("gdv_6902843539a3cimageName");
let gdv_6902843539a3ccurrentSlideIndex = 0;
gdv_6902843539a3cbrightnessInput.addEventListener("input", gdv_6902843539a3cdrawImage); gdv_6902843539a3ccontrastInput.addEventListener("input", gdv_6902843539a3cdrawImage);
const gdv_6902843539a3cimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1dfbuPTOdmMnyRG-9Ze6ShpQndSJxiXGe&sz=w3000","name":"EPOL_ordre d'arrestation de Rollain, Cotelle et Esnault.jpg"}];
let gdv_6902843539a3cscale = 1; let gdv_6902843539a3coriginX = 0; let gdv_6902843539a3coriginY = 0; const gdv_6902843539a3cminScale = 0.1; const gdv_6902843539a3cmaxScale = 5; let gdv_6902843539a3ccurrentImage = new Image();
let gdv_6902843539a3crotationAngle = 0;
gdv_6902843539a3crotateRightButton.addEventListener("click", function() { gdv_6902843539a3crotationAngle = (gdv_6902843539a3crotationAngle + 90) % 360; gdv_6902843539a3cdrawImage(); });
gdv_6902843539a3crotateLeftButton.addEventListener("click", function() { gdv_6902843539a3crotationAngle = (gdv_6902843539a3crotationAngle - 90 + 360) % 360; gdv_6902843539a3cdrawImage(); });
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_6902843539a3ccurrentImage.src = gdv_6902843539a3cimageUrls[0]["url"]; gdv_6902843539a3cimageName.innerHTML = filtrerChaine(gdv_6902843539a3cimageUrls[0]["name"], "rien"); gdv_6902843539a3ccurrentImage.onload = function() {
gdv_6902843539a3cupdateSlideNumber(); gdv_6902843539a3cresizeCanvas(); gdv_6902843539a3cdrawImage(); document.getElementById("gdv_6902843539a3ccontrols").style.display = "block"; };
function gdv_6902843539a3cupdateSlideNumber() { gdv_6902843539a3cslideNumberDisplay.textContent = `${gdv_6902843539a3ccurrentSlideIndex + 1} / ${gdv_6902843539a3cimageUrls.length}`; }
gdv_6902843539a3cprevSlideButton.addEventListener("click", function() { if (gdv_6902843539a3ccurrentSlideIndex > 0) { gdv_6902843539a3ccurrentSlideIndex--; gdv_6902843539a3cloadImage(gdv_6902843539a3ccurrentSlideIndex); gdv_6902843539a3cupdateSlideNumber(); } });
gdv_6902843539a3cnextSlideButton.addEventListener("click", function() { if (gdv_6902843539a3ccurrentSlideIndex < gdv_6902843539a3cimageUrls.length - 1) { gdv_6902843539a3ccurrentSlideIndex++; gdv_6902843539a3cloadImage(gdv_6902843539a3ccurrentSlideIndex); gdv_6902843539a3cupdateSlideNumber(); } }); function gdv_6902843539a3cresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_6902843539a3ccanvasContainer"); gdv_6902843539a3ccanvas.width = container.clientWidth; gdv_6902843539a3ccanvas.height = container.clientHeight - 30; gdv_6902843539a3cfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_6902843539a3cdrawImage(); } window.addEventListener("load", gdv_6902843539a3cresizeCanvas); window.addEventListener("resize", gdv_6902843539a3cresizeCanvas); function gdv_6902843539a3cfitImageToCanvas() { const canvasAspect = gdv_6902843539a3ccanvas.width / gdv_6902843539a3ccanvas.height; const imageAspect = gdv_6902843539a3ccurrentImage.width / gdv_6902843539a3ccurrentImage.height; if (imageAspect > canvasAspect) { gdv_6902843539a3cscale = gdv_6902843539a3ccanvas.width / gdv_6902843539a3ccurrentImage.width; } else { gdv_6902843539a3cscale = gdv_6902843539a3ccanvas.height / gdv_6902843539a3ccurrentImage.height; } gdv_6902843539a3coriginX = gdv_6902843539a3ccanvas.width / 2; gdv_6902843539a3coriginY = gdv_6902843539a3ccanvas.height / 2; }
function gdv_6902843539a3cdrawImage() { gdv_6902843539a3cctx.clearRect(0, 0, gdv_6902843539a3ccanvas.width, gdv_6902843539a3ccanvas.height); gdv_6902843539a3cctx.save(); gdv_6902843539a3cctx.translate(gdv_6902843539a3coriginX, gdv_6902843539a3coriginY); gdv_6902843539a3cctx.rotate((Math.PI / 180) * gdv_6902843539a3crotationAngle); gdv_6902843539a3cctx.scale(gdv_6902843539a3cscale, gdv_6902843539a3cscale);
// Appliquer la luminosité et le contraste gdv_6902843539a3cctx.filter = `brightness(${gdv_6902843539a3cbrightnessInput.value}) contrast(${gdv_6902843539a3ccontrastInput.value})`; gdv_6902843539a3cctx.drawImage(gdv_6902843539a3ccurrentImage, -gdv_6902843539a3ccurrentImage.width/2, -gdv_6902843539a3ccurrentImage.height/2); gdv_6902843539a3cctx.restore(); }
// Ajouter les miniatures des images gdv_6902843539a3cimageUrls.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_6902843539a3cloadImage(index); gdv_6902843539a3ccurrentSlideIndex = index; gdv_6902843539a3cupdateSlideNumber(); }; slide.appendChild(img); gdv_6902843539a3cthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_6902843539a3cloadImage(index) { gdv_6902843539a3ccurrentImage.src = gdv_6902843539a3cimageUrls[index]["url"]; gdv_6902843539a3cimageName.innerHTML = filtrerChaine(gdv_6902843539a3cimageUrls[index]["name"], "rien"); gdv_6902843539a3ccurrentImage.onload = function() { gdv_6902843539a3cscale = 1; gdv_6902843539a3coriginX = 0; gdv_6902843539a3coriginY = 0; gdv_6902843539a3cfitImageToCanvas(); gdv_6902843539a3cdrawImage(); };
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_6902843539a3cswiper = new Swiper(".gdv_6902843539a3cswiper-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_6902843539a3cswiper.on("slideChange", function () { // gdv_6902843539a3ccurrentSlideIndex = gdv_6902843539a3cswiper.activeIndex; // gdv_6902843539a3cupdateSlideNumber(); //});
// Plein écran gdv_6902843539a3cfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_6902843539a3cgd-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_6902843539a3ccanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_6902843539a3cscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_6902843539a3cminScale, Math.min(gdv_6902843539a3cmaxScale, newScale)); const scaleRatio = newScale / gdv_6902843539a3cscale; gdv_6902843539a3coriginX = mouseX - (mouseX - gdv_6902843539a3coriginX) * scaleRatio; gdv_6902843539a3coriginY = mouseY - (mouseY - gdv_6902843539a3coriginY) * scaleRatio; gdv_6902843539a3cscale = newScale; gdv_6902843539a3cdrawImage(); }); // Gestion du déplacement (pan) let gdv_6902843539a3cisDragging = false; let gdv_6902843539a3cstartX, gdv_6902843539a3cstartY; gdv_6902843539a3ccanvas.addEventListener("mousedown", function(event) { gdv_6902843539a3cisDragging = true; gdv_6902843539a3cstartX = event.offsetX - gdv_6902843539a3coriginX; gdv_6902843539a3cstartY = event.offsetY - gdv_6902843539a3coriginY; gdv_6902843539a3ccanvas.style.cursor = "grabbing"; }); gdv_6902843539a3ccanvas.addEventListener("mousemove", function(event) { if (gdv_6902843539a3cisDragging) { gdv_6902843539a3coriginX = event.offsetX - gdv_6902843539a3cstartX; gdv_6902843539a3coriginY = event.offsetY - gdv_6902843539a3cstartY; gdv_6902843539a3cdrawImage(); } }); // Gestion des événements tactiles gdv_6902843539a3ccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_6902843539a3cisDragging = true; const touch = event.touches[0]; gdv_6902843539a3cstartX = touch.pageX - gdv_6902843539a3coriginX; gdv_6902843539a3cstartY = touch.pageY - gdv_6902843539a3coriginY; } }); gdv_6902843539a3ccanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_6902843539a3coriginX = touch.pageX - gdv_6902843539a3cstartX; gdv_6902843539a3coriginY = touch.pageY - gdv_6902843539a3cstartY; gdv_6902843539a3cdrawImage(); }); gdv_6902843539a3ccanvas.addEventListener("touchend", function() { gdv_6902843539a3cisDragging = false; }); gdv_6902843539a3ccanvas.addEventListener("mouseup", function() { gdv_6902843539a3cisDragging = false; gdv_6902843539a3ccanvas.style.cursor = "grab"; }); gdv_6902843539a3ccanvas.addEventListener("mouseleave", function() { gdv_6902843539a3cisDragging = false; gdv_6902843539a3ccanvas.style.cursor = "grab"; }); gdv_6902843539a3czoomInButton.addEventListener("click", function() { let newScale = gdv_6902843539a3cscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_6902843539a3cscale = Math.max(gdv_6902843539a3cminScale, Math.min(gdv_6902843539a3cmaxScale, newScale)); gdv_6902843539a3cdrawImage(); }); gdv_6902843539a3czoomOutButton.addEventListener("click", function() { let newScale = gdv_6902843539a3cscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_6902843539a3cscale = Math.max(gdv_6902843539a3cminScale, Math.min(gdv_6902843539a3cmaxScale, newScale)); gdv_6902843539a3cdrawImage(); }); gdv_6902843539a3cresetZoomButton.addEventListener("click", function() { gdv_6902843539a3crotationAngle = 0; gdv_6902843539a3cfitImageToCanvas(); gdv_6902843539a3cdrawImage(); }); function gdv_6902843539a3cgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_6902843539a3cdownloadImage").addEventListener("click", function() { let url = gdv_6902843539a3ccurrentImage.src; const imageId = gdv_6902843539a3cgetImageIdFromUrl(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_6902843539a3cprintImageFromApi(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_6902843539a3cprintButton = document.getElementById("gdv_6902843539a3cprintCanvas");
gdv_6902843539a3cprintButton.addEventListener("click", function() { let url = gdv_6902843539a3ccurrentImage.src; const imageId = gdv_6902843539a3cgetImageIdFromUrl(url); gdv_6902843539a3cprintImageFromApi(imageId); });
let gdv_6902843539a3cinitialDistance = 0; let gdv_6902843539a3cinitialScale = 1;
gdv_6902843539a3ccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_6902843539a3cinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_6902843539a3cinitialScale = gdv_6902843539a3cscale; } });
gdv_6902843539a3ccanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_6902843539a3cinitialDistance; let newScale = gdv_6902843539a3cinitialScale * scaleChange;
newScale = Math.max(gdv_6902843539a3cminScale, Math.min(gdv_6902843539a3cmaxScale, 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_6902843539a3cscale; gdv_6902843539a3coriginX = centerX - (centerX - gdv_6902843539a3coriginX) * scaleRatio; gdv_6902843539a3coriginY = centerY - (centerY - gdv_6902843539a3coriginY) * scaleRatio;
gdv_6902843539a3cscale = newScale; gdv_6902843539a3cdrawImage(); // 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); }