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const gdv_6a13c820a79fbcanvas = document.getElementById("gdv_6a13c820a79fbimageCanvas"); const gdv_6a13c820a79fbctx = gdv_6a13c820a79fbcanvas.getContext("2d");
const gdv_6a13c820a79fbthumbnailContainer = document.getElementById("gdv_6a13c820a79fbthumbnailContainer"); const gdv_6a13c820a79fbthumbnailContainerWrapper = document.getElementById("gdv_6a13c820a79fbthumbnailContainerWrapper"); const gdv_6a13c820a79fbzoomInButton = document.getElementById("gdv_6a13c820a79fbzoomIn"); const gdv_6a13c820a79fbzoomOutButton = document.getElementById("gdv_6a13c820a79fbzoomOut"); const gdv_6a13c820a79fbresetZoomButton = document.getElementById("gdv_6a13c820a79fbresetZoom");
const gdv_6a13c820a79fbbrightnessInput = document.getElementById("gdv_6a13c820a79fbbrightness"); const gdv_6a13c820a79fbcontrastInput = document.getElementById("gdv_6a13c820a79fbcontrast"); const gdv_6a13c820a79fbfullscreenButton = document.getElementById("gdv_6a13c820a79fbfullscreen");
const gdv_6a13c820a79fbrotateRightButton = document.getElementById("gdv_6a13c820a79fbrotateRight"); const gdv_6a13c820a79fbrotateLeftButton = document.getElementById("gdv_6a13c820a79fbrotateLeft");
const gdv_6a13c820a79fbprevSlideButton = document.getElementById("gdv_6a13c820a79fbprevSlide"); const gdv_6a13c820a79fbnextSlideButton = document.getElementById("gdv_6a13c820a79fbnextSlide"); const gdv_6a13c820a79fbslideNumberDisplay = document.getElementById("gdv_6a13c820a79fbslideNumber"); const gdv_6a13c820a79fbimageName = document.getElementById("gdv_6a13c820a79fbimageName");
let gdv_6a13c820a79fbcurrentSlideIndex = 0;
gdv_6a13c820a79fbbrightnessInput.addEventListener("input", gdv_6a13c820a79fbdrawImage); gdv_6a13c820a79fbcontrastInput.addEventListener("input", gdv_6a13c820a79fbdrawImage);
const gdv_6a13c820a79fbimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1P5x0OSJUNeZOnmcNmtqhKDj_5w2weNgG&sz=w3000","name":"EPOL_Ordre d'arrestation de plusieurs citoyens.jpg"}];
let gdv_6a13c820a79fbscale = 1; let gdv_6a13c820a79fboriginX = 0; let gdv_6a13c820a79fboriginY = 0; const gdv_6a13c820a79fbminScale = 0.1; const gdv_6a13c820a79fbmaxScale = 5; let gdv_6a13c820a79fbcurrentImage = new Image();
let gdv_6a13c820a79fbrotationAngle = 0;
gdv_6a13c820a79fbrotateRightButton.addEventListener("click", function() { gdv_6a13c820a79fbrotationAngle = (gdv_6a13c820a79fbrotationAngle + 90) % 360; gdv_6a13c820a79fbdrawImage(); });
gdv_6a13c820a79fbrotateLeftButton.addEventListener("click", function() { gdv_6a13c820a79fbrotationAngle = (gdv_6a13c820a79fbrotationAngle - 90 + 360) % 360; gdv_6a13c820a79fbdrawImage(); });
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_6a13c820a79fbcurrentImage.src = gdv_6a13c820a79fbimageUrls[0]["url"]; gdv_6a13c820a79fbimageName.innerHTML = filtrerChaine(gdv_6a13c820a79fbimageUrls[0]["name"], "rien"); gdv_6a13c820a79fbcurrentImage.onload = function() {
gdv_6a13c820a79fbupdateSlideNumber(); gdv_6a13c820a79fbresizeCanvas(); gdv_6a13c820a79fbdrawImage(); document.getElementById("gdv_6a13c820a79fbcontrols").style.display = "block"; };
function gdv_6a13c820a79fbupdateSlideNumber() { gdv_6a13c820a79fbslideNumberDisplay.textContent = `${gdv_6a13c820a79fbcurrentSlideIndex + 1} / ${gdv_6a13c820a79fbimageUrls.length}`; }
gdv_6a13c820a79fbprevSlideButton.addEventListener("click", function() { if (gdv_6a13c820a79fbcurrentSlideIndex > 0) { gdv_6a13c820a79fbcurrentSlideIndex--; gdv_6a13c820a79fbloadImage(gdv_6a13c820a79fbcurrentSlideIndex); gdv_6a13c820a79fbupdateSlideNumber(); } });
gdv_6a13c820a79fbnextSlideButton.addEventListener("click", function() { if (gdv_6a13c820a79fbcurrentSlideIndex < gdv_6a13c820a79fbimageUrls.length - 1) { gdv_6a13c820a79fbcurrentSlideIndex++; gdv_6a13c820a79fbloadImage(gdv_6a13c820a79fbcurrentSlideIndex); gdv_6a13c820a79fbupdateSlideNumber(); } }); function gdv_6a13c820a79fbresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_6a13c820a79fbcanvasContainer"); gdv_6a13c820a79fbcanvas.width = container.clientWidth; gdv_6a13c820a79fbcanvas.height = container.clientHeight - 30; gdv_6a13c820a79fbfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_6a13c820a79fbdrawImage(); } window.addEventListener("load", gdv_6a13c820a79fbresizeCanvas); window.addEventListener("resize", gdv_6a13c820a79fbresizeCanvas); function gdv_6a13c820a79fbfitImageToCanvas() { const canvasAspect = gdv_6a13c820a79fbcanvas.width / gdv_6a13c820a79fbcanvas.height; const imageAspect = gdv_6a13c820a79fbcurrentImage.width / gdv_6a13c820a79fbcurrentImage.height; if (imageAspect > canvasAspect) { gdv_6a13c820a79fbscale = gdv_6a13c820a79fbcanvas.width / gdv_6a13c820a79fbcurrentImage.width; } else { gdv_6a13c820a79fbscale = gdv_6a13c820a79fbcanvas.height / gdv_6a13c820a79fbcurrentImage.height; } gdv_6a13c820a79fboriginX = gdv_6a13c820a79fbcanvas.width / 2; gdv_6a13c820a79fboriginY = gdv_6a13c820a79fbcanvas.height / 2; }
function gdv_6a13c820a79fbdrawImage() { gdv_6a13c820a79fbctx.clearRect(0, 0, gdv_6a13c820a79fbcanvas.width, gdv_6a13c820a79fbcanvas.height); gdv_6a13c820a79fbctx.save(); gdv_6a13c820a79fbctx.translate(gdv_6a13c820a79fboriginX, gdv_6a13c820a79fboriginY); gdv_6a13c820a79fbctx.rotate((Math.PI / 180) * gdv_6a13c820a79fbrotationAngle); gdv_6a13c820a79fbctx.scale(gdv_6a13c820a79fbscale, gdv_6a13c820a79fbscale);
// Appliquer la luminosité et le contraste gdv_6a13c820a79fbctx.filter = `brightness(${gdv_6a13c820a79fbbrightnessInput.value}) contrast(${gdv_6a13c820a79fbcontrastInput.value})`; gdv_6a13c820a79fbctx.drawImage(gdv_6a13c820a79fbcurrentImage, -gdv_6a13c820a79fbcurrentImage.width/2, -gdv_6a13c820a79fbcurrentImage.height/2); gdv_6a13c820a79fbctx.restore(); }
// Ajouter les miniatures des images gdv_6a13c820a79fbimageUrls.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_6a13c820a79fbloadImage(index); gdv_6a13c820a79fbcurrentSlideIndex = index; gdv_6a13c820a79fbupdateSlideNumber(); }; slide.appendChild(img); gdv_6a13c820a79fbthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_6a13c820a79fbloadImage(index) { gdv_6a13c820a79fbcurrentImage.src = gdv_6a13c820a79fbimageUrls[index]["url"]; gdv_6a13c820a79fbimageName.innerHTML = filtrerChaine(gdv_6a13c820a79fbimageUrls[index]["name"], "rien"); gdv_6a13c820a79fbcurrentImage.onload = function() { gdv_6a13c820a79fbscale = 1; gdv_6a13c820a79fboriginX = 0; gdv_6a13c820a79fboriginY = 0; gdv_6a13c820a79fbfitImageToCanvas(); gdv_6a13c820a79fbdrawImage(); };
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_6a13c820a79fbswiper = new Swiper(".gdv_6a13c820a79fbswiper-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_6a13c820a79fbswiper.on("slideChange", function () { // gdv_6a13c820a79fbcurrentSlideIndex = gdv_6a13c820a79fbswiper.activeIndex; // gdv_6a13c820a79fbupdateSlideNumber(); //});
// Plein écran gdv_6a13c820a79fbfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_6a13c820a79fbgd-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_6a13c820a79fbcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_6a13c820a79fbscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_6a13c820a79fbminScale, Math.min(gdv_6a13c820a79fbmaxScale, newScale)); const scaleRatio = newScale / gdv_6a13c820a79fbscale; gdv_6a13c820a79fboriginX = mouseX - (mouseX - gdv_6a13c820a79fboriginX) * scaleRatio; gdv_6a13c820a79fboriginY = mouseY - (mouseY - gdv_6a13c820a79fboriginY) * scaleRatio; gdv_6a13c820a79fbscale = newScale; gdv_6a13c820a79fbdrawImage(); }); // Gestion du déplacement (pan) let gdv_6a13c820a79fbisDragging = false; let gdv_6a13c820a79fbstartX, gdv_6a13c820a79fbstartY; gdv_6a13c820a79fbcanvas.addEventListener("mousedown", function(event) { gdv_6a13c820a79fbisDragging = true; gdv_6a13c820a79fbstartX = event.offsetX - gdv_6a13c820a79fboriginX; gdv_6a13c820a79fbstartY = event.offsetY - gdv_6a13c820a79fboriginY; gdv_6a13c820a79fbcanvas.style.cursor = "grabbing"; }); gdv_6a13c820a79fbcanvas.addEventListener("mousemove", function(event) { if (gdv_6a13c820a79fbisDragging) { gdv_6a13c820a79fboriginX = event.offsetX - gdv_6a13c820a79fbstartX; gdv_6a13c820a79fboriginY = event.offsetY - gdv_6a13c820a79fbstartY; gdv_6a13c820a79fbdrawImage(); } }); // Gestion des événements tactiles gdv_6a13c820a79fbcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_6a13c820a79fbisDragging = true; const touch = event.touches[0]; gdv_6a13c820a79fbstartX = touch.pageX - gdv_6a13c820a79fboriginX; gdv_6a13c820a79fbstartY = touch.pageY - gdv_6a13c820a79fboriginY; } }); gdv_6a13c820a79fbcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_6a13c820a79fboriginX = touch.pageX - gdv_6a13c820a79fbstartX; gdv_6a13c820a79fboriginY = touch.pageY - gdv_6a13c820a79fbstartY; gdv_6a13c820a79fbdrawImage(); }); gdv_6a13c820a79fbcanvas.addEventListener("touchend", function() { gdv_6a13c820a79fbisDragging = false; }); gdv_6a13c820a79fbcanvas.addEventListener("mouseup", function() { gdv_6a13c820a79fbisDragging = false; gdv_6a13c820a79fbcanvas.style.cursor = "grab"; }); gdv_6a13c820a79fbcanvas.addEventListener("mouseleave", function() { gdv_6a13c820a79fbisDragging = false; gdv_6a13c820a79fbcanvas.style.cursor = "grab"; }); gdv_6a13c820a79fbzoomInButton.addEventListener("click", function() { let newScale = gdv_6a13c820a79fbscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_6a13c820a79fbscale = Math.max(gdv_6a13c820a79fbminScale, Math.min(gdv_6a13c820a79fbmaxScale, newScale)); gdv_6a13c820a79fbdrawImage(); }); gdv_6a13c820a79fbzoomOutButton.addEventListener("click", function() { let newScale = gdv_6a13c820a79fbscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_6a13c820a79fbscale = Math.max(gdv_6a13c820a79fbminScale, Math.min(gdv_6a13c820a79fbmaxScale, newScale)); gdv_6a13c820a79fbdrawImage(); }); gdv_6a13c820a79fbresetZoomButton.addEventListener("click", function() { gdv_6a13c820a79fbrotationAngle = 0; gdv_6a13c820a79fbfitImageToCanvas(); gdv_6a13c820a79fbdrawImage(); }); function gdv_6a13c820a79fbgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_6a13c820a79fbdownloadImage").addEventListener("click", function() { let url = gdv_6a13c820a79fbcurrentImage.src; const imageId = gdv_6a13c820a79fbgetImageIdFromUrl(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_6a13c820a79fbprintImageFromApi(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_6a13c820a79fbprintButton = document.getElementById("gdv_6a13c820a79fbprintCanvas");
gdv_6a13c820a79fbprintButton.addEventListener("click", function() { let url = gdv_6a13c820a79fbcurrentImage.src; const imageId = gdv_6a13c820a79fbgetImageIdFromUrl(url); gdv_6a13c820a79fbprintImageFromApi(imageId); });
let gdv_6a13c820a79fbinitialDistance = 0; let gdv_6a13c820a79fbinitialScale = 1;
gdv_6a13c820a79fbcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_6a13c820a79fbinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_6a13c820a79fbinitialScale = gdv_6a13c820a79fbscale; } });
gdv_6a13c820a79fbcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_6a13c820a79fbinitialDistance; let newScale = gdv_6a13c820a79fbinitialScale * scaleChange;
newScale = Math.max(gdv_6a13c820a79fbminScale, Math.min(gdv_6a13c820a79fbmaxScale, 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_6a13c820a79fbscale; gdv_6a13c820a79fboriginX = centerX - (centerX - gdv_6a13c820a79fboriginX) * scaleRatio; gdv_6a13c820a79fboriginY = centerY - (centerY - gdv_6a13c820a79fboriginY) * scaleRatio;
gdv_6a13c820a79fbscale = newScale; gdv_6a13c820a79fbdrawImage(); // 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); }