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const gdv_69dfaf000675fcanvas = document.getElementById("gdv_69dfaf000675fimageCanvas"); const gdv_69dfaf000675fctx = gdv_69dfaf000675fcanvas.getContext("2d");
const gdv_69dfaf000675fthumbnailContainer = document.getElementById("gdv_69dfaf000675fthumbnailContainer"); const gdv_69dfaf000675fthumbnailContainerWrapper = document.getElementById("gdv_69dfaf000675fthumbnailContainerWrapper"); const gdv_69dfaf000675fzoomInButton = document.getElementById("gdv_69dfaf000675fzoomIn"); const gdv_69dfaf000675fzoomOutButton = document.getElementById("gdv_69dfaf000675fzoomOut"); const gdv_69dfaf000675fresetZoomButton = document.getElementById("gdv_69dfaf000675fresetZoom");
const gdv_69dfaf000675fbrightnessInput = document.getElementById("gdv_69dfaf000675fbrightness"); const gdv_69dfaf000675fcontrastInput = document.getElementById("gdv_69dfaf000675fcontrast"); const gdv_69dfaf000675ffullscreenButton = document.getElementById("gdv_69dfaf000675ffullscreen");
const gdv_69dfaf000675frotateRightButton = document.getElementById("gdv_69dfaf000675frotateRight"); const gdv_69dfaf000675frotateLeftButton = document.getElementById("gdv_69dfaf000675frotateLeft");
const gdv_69dfaf000675fprevSlideButton = document.getElementById("gdv_69dfaf000675fprevSlide"); const gdv_69dfaf000675fnextSlideButton = document.getElementById("gdv_69dfaf000675fnextSlide"); const gdv_69dfaf000675fslideNumberDisplay = document.getElementById("gdv_69dfaf000675fslideNumber"); const gdv_69dfaf000675fimageName = document.getElementById("gdv_69dfaf000675fimageName");
let gdv_69dfaf000675fcurrentSlideIndex = 0;
gdv_69dfaf000675fbrightnessInput.addEventListener("input", gdv_69dfaf000675fdrawImage); gdv_69dfaf000675fcontrastInput.addEventListener("input", gdv_69dfaf000675fdrawImage);
const gdv_69dfaf000675fimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1btv9X1oGl_lr0rVlt5J2znhhlWdAlSm6&sz=w3000","name":"EPOL_LFS_sur la loi relative aux personnes qui refusent de servir ou de remettre leurs armes.jpg"}];
let gdv_69dfaf000675fscale = 1; let gdv_69dfaf000675foriginX = 0; let gdv_69dfaf000675foriginY = 0; const gdv_69dfaf000675fminScale = 0.1; const gdv_69dfaf000675fmaxScale = 5; let gdv_69dfaf000675fcurrentImage = new Image();
let gdv_69dfaf000675frotationAngle = 0;
gdv_69dfaf000675frotateRightButton.addEventListener("click", function() { gdv_69dfaf000675frotationAngle = (gdv_69dfaf000675frotationAngle + 90) % 360; gdv_69dfaf000675fdrawImage(); });
gdv_69dfaf000675frotateLeftButton.addEventListener("click", function() { gdv_69dfaf000675frotationAngle = (gdv_69dfaf000675frotationAngle - 90 + 360) % 360; gdv_69dfaf000675fdrawImage(); });
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_69dfaf000675fcurrentImage.src = gdv_69dfaf000675fimageUrls[0]["url"]; gdv_69dfaf000675fimageName.innerHTML = filtrerChaine(gdv_69dfaf000675fimageUrls[0]["name"], "rien"); gdv_69dfaf000675fcurrentImage.onload = function() {
gdv_69dfaf000675fupdateSlideNumber(); gdv_69dfaf000675fresizeCanvas(); gdv_69dfaf000675fdrawImage(); document.getElementById("gdv_69dfaf000675fcontrols").style.display = "block"; };
function gdv_69dfaf000675fupdateSlideNumber() { gdv_69dfaf000675fslideNumberDisplay.textContent = `${gdv_69dfaf000675fcurrentSlideIndex + 1} / ${gdv_69dfaf000675fimageUrls.length}`; }
gdv_69dfaf000675fprevSlideButton.addEventListener("click", function() { if (gdv_69dfaf000675fcurrentSlideIndex > 0) { gdv_69dfaf000675fcurrentSlideIndex--; gdv_69dfaf000675floadImage(gdv_69dfaf000675fcurrentSlideIndex); gdv_69dfaf000675fupdateSlideNumber(); } });
gdv_69dfaf000675fnextSlideButton.addEventListener("click", function() { if (gdv_69dfaf000675fcurrentSlideIndex < gdv_69dfaf000675fimageUrls.length - 1) { gdv_69dfaf000675fcurrentSlideIndex++; gdv_69dfaf000675floadImage(gdv_69dfaf000675fcurrentSlideIndex); gdv_69dfaf000675fupdateSlideNumber(); } }); function gdv_69dfaf000675fresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69dfaf000675fcanvasContainer"); gdv_69dfaf000675fcanvas.width = container.clientWidth; gdv_69dfaf000675fcanvas.height = container.clientHeight - 30; gdv_69dfaf000675ffitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69dfaf000675fdrawImage(); } window.addEventListener("load", gdv_69dfaf000675fresizeCanvas); window.addEventListener("resize", gdv_69dfaf000675fresizeCanvas); function gdv_69dfaf000675ffitImageToCanvas() { const canvasAspect = gdv_69dfaf000675fcanvas.width / gdv_69dfaf000675fcanvas.height; const imageAspect = gdv_69dfaf000675fcurrentImage.width / gdv_69dfaf000675fcurrentImage.height; if (imageAspect > canvasAspect) { gdv_69dfaf000675fscale = gdv_69dfaf000675fcanvas.width / gdv_69dfaf000675fcurrentImage.width; } else { gdv_69dfaf000675fscale = gdv_69dfaf000675fcanvas.height / gdv_69dfaf000675fcurrentImage.height; } gdv_69dfaf000675foriginX = gdv_69dfaf000675fcanvas.width / 2; gdv_69dfaf000675foriginY = gdv_69dfaf000675fcanvas.height / 2; }
function gdv_69dfaf000675fdrawImage() { gdv_69dfaf000675fctx.clearRect(0, 0, gdv_69dfaf000675fcanvas.width, gdv_69dfaf000675fcanvas.height); gdv_69dfaf000675fctx.save(); gdv_69dfaf000675fctx.translate(gdv_69dfaf000675foriginX, gdv_69dfaf000675foriginY); gdv_69dfaf000675fctx.rotate((Math.PI / 180) * gdv_69dfaf000675frotationAngle); gdv_69dfaf000675fctx.scale(gdv_69dfaf000675fscale, gdv_69dfaf000675fscale);
// Appliquer la luminosité et le contraste gdv_69dfaf000675fctx.filter = `brightness(${gdv_69dfaf000675fbrightnessInput.value}) contrast(${gdv_69dfaf000675fcontrastInput.value})`; gdv_69dfaf000675fctx.drawImage(gdv_69dfaf000675fcurrentImage, -gdv_69dfaf000675fcurrentImage.width/2, -gdv_69dfaf000675fcurrentImage.height/2); gdv_69dfaf000675fctx.restore(); }
// Ajouter les miniatures des images gdv_69dfaf000675fimageUrls.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_69dfaf000675floadImage(index); gdv_69dfaf000675fcurrentSlideIndex = index; gdv_69dfaf000675fupdateSlideNumber(); }; slide.appendChild(img); gdv_69dfaf000675fthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69dfaf000675floadImage(index) { gdv_69dfaf000675fcurrentImage.src = gdv_69dfaf000675fimageUrls[index]["url"]; gdv_69dfaf000675fimageName.innerHTML = filtrerChaine(gdv_69dfaf000675fimageUrls[index]["name"], "rien"); gdv_69dfaf000675fcurrentImage.onload = function() { gdv_69dfaf000675fscale = 1; gdv_69dfaf000675foriginX = 0; gdv_69dfaf000675foriginY = 0; gdv_69dfaf000675ffitImageToCanvas(); gdv_69dfaf000675fdrawImage(); };
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_69dfaf000675fswiper = new Swiper(".gdv_69dfaf000675fswiper-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_69dfaf000675fswiper.on("slideChange", function () { // gdv_69dfaf000675fcurrentSlideIndex = gdv_69dfaf000675fswiper.activeIndex; // gdv_69dfaf000675fupdateSlideNumber(); //});
// Plein écran gdv_69dfaf000675ffullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69dfaf000675fgd-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_69dfaf000675fcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69dfaf000675fscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69dfaf000675fminScale, Math.min(gdv_69dfaf000675fmaxScale, newScale)); const scaleRatio = newScale / gdv_69dfaf000675fscale; gdv_69dfaf000675foriginX = mouseX - (mouseX - gdv_69dfaf000675foriginX) * scaleRatio; gdv_69dfaf000675foriginY = mouseY - (mouseY - gdv_69dfaf000675foriginY) * scaleRatio; gdv_69dfaf000675fscale = newScale; gdv_69dfaf000675fdrawImage(); }); // Gestion du déplacement (pan) let gdv_69dfaf000675fisDragging = false; let gdv_69dfaf000675fstartX, gdv_69dfaf000675fstartY; gdv_69dfaf000675fcanvas.addEventListener("mousedown", function(event) { gdv_69dfaf000675fisDragging = true; gdv_69dfaf000675fstartX = event.offsetX - gdv_69dfaf000675foriginX; gdv_69dfaf000675fstartY = event.offsetY - gdv_69dfaf000675foriginY; gdv_69dfaf000675fcanvas.style.cursor = "grabbing"; }); gdv_69dfaf000675fcanvas.addEventListener("mousemove", function(event) { if (gdv_69dfaf000675fisDragging) { gdv_69dfaf000675foriginX = event.offsetX - gdv_69dfaf000675fstartX; gdv_69dfaf000675foriginY = event.offsetY - gdv_69dfaf000675fstartY; gdv_69dfaf000675fdrawImage(); } }); // Gestion des événements tactiles gdv_69dfaf000675fcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69dfaf000675fisDragging = true; const touch = event.touches[0]; gdv_69dfaf000675fstartX = touch.pageX - gdv_69dfaf000675foriginX; gdv_69dfaf000675fstartY = touch.pageY - gdv_69dfaf000675foriginY; } }); gdv_69dfaf000675fcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69dfaf000675foriginX = touch.pageX - gdv_69dfaf000675fstartX; gdv_69dfaf000675foriginY = touch.pageY - gdv_69dfaf000675fstartY; gdv_69dfaf000675fdrawImage(); }); gdv_69dfaf000675fcanvas.addEventListener("touchend", function() { gdv_69dfaf000675fisDragging = false; }); gdv_69dfaf000675fcanvas.addEventListener("mouseup", function() { gdv_69dfaf000675fisDragging = false; gdv_69dfaf000675fcanvas.style.cursor = "grab"; }); gdv_69dfaf000675fcanvas.addEventListener("mouseleave", function() { gdv_69dfaf000675fisDragging = false; gdv_69dfaf000675fcanvas.style.cursor = "grab"; }); gdv_69dfaf000675fzoomInButton.addEventListener("click", function() { let newScale = gdv_69dfaf000675fscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69dfaf000675fscale = Math.max(gdv_69dfaf000675fminScale, Math.min(gdv_69dfaf000675fmaxScale, newScale)); gdv_69dfaf000675fdrawImage(); }); gdv_69dfaf000675fzoomOutButton.addEventListener("click", function() { let newScale = gdv_69dfaf000675fscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69dfaf000675fscale = Math.max(gdv_69dfaf000675fminScale, Math.min(gdv_69dfaf000675fmaxScale, newScale)); gdv_69dfaf000675fdrawImage(); }); gdv_69dfaf000675fresetZoomButton.addEventListener("click", function() { gdv_69dfaf000675frotationAngle = 0; gdv_69dfaf000675ffitImageToCanvas(); gdv_69dfaf000675fdrawImage(); }); function gdv_69dfaf000675fgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69dfaf000675fdownloadImage").addEventListener("click", function() { let url = gdv_69dfaf000675fcurrentImage.src; const imageId = gdv_69dfaf000675fgetImageIdFromUrl(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_69dfaf000675fprintImageFromApi(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_69dfaf000675fprintButton = document.getElementById("gdv_69dfaf000675fprintCanvas");
gdv_69dfaf000675fprintButton.addEventListener("click", function() { let url = gdv_69dfaf000675fcurrentImage.src; const imageId = gdv_69dfaf000675fgetImageIdFromUrl(url); gdv_69dfaf000675fprintImageFromApi(imageId); });
let gdv_69dfaf000675finitialDistance = 0; let gdv_69dfaf000675finitialScale = 1;
gdv_69dfaf000675fcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69dfaf000675finitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69dfaf000675finitialScale = gdv_69dfaf000675fscale; } });
gdv_69dfaf000675fcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69dfaf000675finitialDistance; let newScale = gdv_69dfaf000675finitialScale * scaleChange;
newScale = Math.max(gdv_69dfaf000675fminScale, Math.min(gdv_69dfaf000675fmaxScale, 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_69dfaf000675fscale; gdv_69dfaf000675foriginX = centerX - (centerX - gdv_69dfaf000675foriginX) * scaleRatio; gdv_69dfaf000675foriginY = centerY - (centerY - gdv_69dfaf000675foriginY) * scaleRatio;
gdv_69dfaf000675fscale = newScale; gdv_69dfaf000675fdrawImage(); // 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); }