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const gdv_68ef7860b660acanvas = document.getElementById("gdv_68ef7860b660aimageCanvas"); const gdv_68ef7860b660actx = gdv_68ef7860b660acanvas.getContext("2d");
const gdv_68ef7860b660athumbnailContainer = document.getElementById("gdv_68ef7860b660athumbnailContainer"); const gdv_68ef7860b660athumbnailContainerWrapper = document.getElementById("gdv_68ef7860b660athumbnailContainerWrapper"); const gdv_68ef7860b660azoomInButton = document.getElementById("gdv_68ef7860b660azoomIn"); const gdv_68ef7860b660azoomOutButton = document.getElementById("gdv_68ef7860b660azoomOut"); const gdv_68ef7860b660aresetZoomButton = document.getElementById("gdv_68ef7860b660aresetZoom");
const gdv_68ef7860b660abrightnessInput = document.getElementById("gdv_68ef7860b660abrightness"); const gdv_68ef7860b660acontrastInput = document.getElementById("gdv_68ef7860b660acontrast"); const gdv_68ef7860b660afullscreenButton = document.getElementById("gdv_68ef7860b660afullscreen");
const gdv_68ef7860b660arotateRightButton = document.getElementById("gdv_68ef7860b660arotateRight"); const gdv_68ef7860b660arotateLeftButton = document.getElementById("gdv_68ef7860b660arotateLeft");
const gdv_68ef7860b660aprevSlideButton = document.getElementById("gdv_68ef7860b660aprevSlide"); const gdv_68ef7860b660anextSlideButton = document.getElementById("gdv_68ef7860b660anextSlide"); const gdv_68ef7860b660aslideNumberDisplay = document.getElementById("gdv_68ef7860b660aslideNumber"); const gdv_68ef7860b660aimageName = document.getElementById("gdv_68ef7860b660aimageName");
let gdv_68ef7860b660acurrentSlideIndex = 0;
gdv_68ef7860b660abrightnessInput.addEventListener("input", gdv_68ef7860b660adrawImage); gdv_68ef7860b660acontrastInput.addEventListener("input", gdv_68ef7860b660adrawImage);
const gdv_68ef7860b660aimageUrls = [{"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_68ef7860b660ascale = 1; let gdv_68ef7860b660aoriginX = 0; let gdv_68ef7860b660aoriginY = 0; const gdv_68ef7860b660aminScale = 0.1; const gdv_68ef7860b660amaxScale = 5; let gdv_68ef7860b660acurrentImage = new Image();
let gdv_68ef7860b660arotationAngle = 0;
gdv_68ef7860b660arotateRightButton.addEventListener("click", function() { gdv_68ef7860b660arotationAngle = (gdv_68ef7860b660arotationAngle + 90) % 360; gdv_68ef7860b660adrawImage(); });
gdv_68ef7860b660arotateLeftButton.addEventListener("click", function() { gdv_68ef7860b660arotationAngle = (gdv_68ef7860b660arotationAngle - 90 + 360) % 360; gdv_68ef7860b660adrawImage(); });
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_68ef7860b660acurrentImage.src = gdv_68ef7860b660aimageUrls[0]["url"]; gdv_68ef7860b660aimageName.innerHTML = filtrerChaine(gdv_68ef7860b660aimageUrls[0]["name"], "rien"); gdv_68ef7860b660acurrentImage.onload = function() {
gdv_68ef7860b660aupdateSlideNumber(); gdv_68ef7860b660aresizeCanvas(); gdv_68ef7860b660adrawImage(); document.getElementById("gdv_68ef7860b660acontrols").style.display = "block"; };
function gdv_68ef7860b660aupdateSlideNumber() { gdv_68ef7860b660aslideNumberDisplay.textContent = `${gdv_68ef7860b660acurrentSlideIndex + 1} / ${gdv_68ef7860b660aimageUrls.length}`; }
gdv_68ef7860b660aprevSlideButton.addEventListener("click", function() { if (gdv_68ef7860b660acurrentSlideIndex > 0) { gdv_68ef7860b660acurrentSlideIndex--; gdv_68ef7860b660aloadImage(gdv_68ef7860b660acurrentSlideIndex); gdv_68ef7860b660aupdateSlideNumber(); } });
gdv_68ef7860b660anextSlideButton.addEventListener("click", function() { if (gdv_68ef7860b660acurrentSlideIndex < gdv_68ef7860b660aimageUrls.length - 1) { gdv_68ef7860b660acurrentSlideIndex++; gdv_68ef7860b660aloadImage(gdv_68ef7860b660acurrentSlideIndex); gdv_68ef7860b660aupdateSlideNumber(); } }); function gdv_68ef7860b660aresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_68ef7860b660acanvasContainer"); gdv_68ef7860b660acanvas.width = container.clientWidth; gdv_68ef7860b660acanvas.height = container.clientHeight - 30; gdv_68ef7860b660afitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_68ef7860b660adrawImage(); } window.addEventListener("load", gdv_68ef7860b660aresizeCanvas); window.addEventListener("resize", gdv_68ef7860b660aresizeCanvas); function gdv_68ef7860b660afitImageToCanvas() { const canvasAspect = gdv_68ef7860b660acanvas.width / gdv_68ef7860b660acanvas.height; const imageAspect = gdv_68ef7860b660acurrentImage.width / gdv_68ef7860b660acurrentImage.height; if (imageAspect > canvasAspect) { gdv_68ef7860b660ascale = gdv_68ef7860b660acanvas.width / gdv_68ef7860b660acurrentImage.width; } else { gdv_68ef7860b660ascale = gdv_68ef7860b660acanvas.height / gdv_68ef7860b660acurrentImage.height; } gdv_68ef7860b660aoriginX = gdv_68ef7860b660acanvas.width / 2; gdv_68ef7860b660aoriginY = gdv_68ef7860b660acanvas.height / 2; }
function gdv_68ef7860b660adrawImage() { gdv_68ef7860b660actx.clearRect(0, 0, gdv_68ef7860b660acanvas.width, gdv_68ef7860b660acanvas.height); gdv_68ef7860b660actx.save(); gdv_68ef7860b660actx.translate(gdv_68ef7860b660aoriginX, gdv_68ef7860b660aoriginY); gdv_68ef7860b660actx.rotate((Math.PI / 180) * gdv_68ef7860b660arotationAngle); gdv_68ef7860b660actx.scale(gdv_68ef7860b660ascale, gdv_68ef7860b660ascale);
// Appliquer la luminosité et le contraste gdv_68ef7860b660actx.filter = `brightness(${gdv_68ef7860b660abrightnessInput.value}) contrast(${gdv_68ef7860b660acontrastInput.value})`; gdv_68ef7860b660actx.drawImage(gdv_68ef7860b660acurrentImage, -gdv_68ef7860b660acurrentImage.width/2, -gdv_68ef7860b660acurrentImage.height/2); gdv_68ef7860b660actx.restore(); }
// Ajouter les miniatures des images gdv_68ef7860b660aimageUrls.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_68ef7860b660aloadImage(index); gdv_68ef7860b660acurrentSlideIndex = index; gdv_68ef7860b660aupdateSlideNumber(); }; slide.appendChild(img); gdv_68ef7860b660athumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_68ef7860b660aloadImage(index) { gdv_68ef7860b660acurrentImage.src = gdv_68ef7860b660aimageUrls[index]["url"]; gdv_68ef7860b660aimageName.innerHTML = filtrerChaine(gdv_68ef7860b660aimageUrls[index]["name"], "rien"); gdv_68ef7860b660acurrentImage.onload = function() { gdv_68ef7860b660ascale = 1; gdv_68ef7860b660aoriginX = 0; gdv_68ef7860b660aoriginY = 0; gdv_68ef7860b660afitImageToCanvas(); gdv_68ef7860b660adrawImage(); };
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_68ef7860b660aswiper = new Swiper(".gdv_68ef7860b660aswiper-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_68ef7860b660aswiper.on("slideChange", function () { // gdv_68ef7860b660acurrentSlideIndex = gdv_68ef7860b660aswiper.activeIndex; // gdv_68ef7860b660aupdateSlideNumber(); //});
// Plein écran gdv_68ef7860b660afullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_68ef7860b660agd-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_68ef7860b660acanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_68ef7860b660ascale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_68ef7860b660aminScale, Math.min(gdv_68ef7860b660amaxScale, newScale)); const scaleRatio = newScale / gdv_68ef7860b660ascale; gdv_68ef7860b660aoriginX = mouseX - (mouseX - gdv_68ef7860b660aoriginX) * scaleRatio; gdv_68ef7860b660aoriginY = mouseY - (mouseY - gdv_68ef7860b660aoriginY) * scaleRatio; gdv_68ef7860b660ascale = newScale; gdv_68ef7860b660adrawImage(); }); // Gestion du déplacement (pan) let gdv_68ef7860b660aisDragging = false; let gdv_68ef7860b660astartX, gdv_68ef7860b660astartY; gdv_68ef7860b660acanvas.addEventListener("mousedown", function(event) { gdv_68ef7860b660aisDragging = true; gdv_68ef7860b660astartX = event.offsetX - gdv_68ef7860b660aoriginX; gdv_68ef7860b660astartY = event.offsetY - gdv_68ef7860b660aoriginY; gdv_68ef7860b660acanvas.style.cursor = "grabbing"; }); gdv_68ef7860b660acanvas.addEventListener("mousemove", function(event) { if (gdv_68ef7860b660aisDragging) { gdv_68ef7860b660aoriginX = event.offsetX - gdv_68ef7860b660astartX; gdv_68ef7860b660aoriginY = event.offsetY - gdv_68ef7860b660astartY; gdv_68ef7860b660adrawImage(); } }); // Gestion des événements tactiles gdv_68ef7860b660acanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_68ef7860b660aisDragging = true; const touch = event.touches[0]; gdv_68ef7860b660astartX = touch.pageX - gdv_68ef7860b660aoriginX; gdv_68ef7860b660astartY = touch.pageY - gdv_68ef7860b660aoriginY; } }); gdv_68ef7860b660acanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_68ef7860b660aoriginX = touch.pageX - gdv_68ef7860b660astartX; gdv_68ef7860b660aoriginY = touch.pageY - gdv_68ef7860b660astartY; gdv_68ef7860b660adrawImage(); }); gdv_68ef7860b660acanvas.addEventListener("touchend", function() { gdv_68ef7860b660aisDragging = false; }); gdv_68ef7860b660acanvas.addEventListener("mouseup", function() { gdv_68ef7860b660aisDragging = false; gdv_68ef7860b660acanvas.style.cursor = "grab"; }); gdv_68ef7860b660acanvas.addEventListener("mouseleave", function() { gdv_68ef7860b660aisDragging = false; gdv_68ef7860b660acanvas.style.cursor = "grab"; }); gdv_68ef7860b660azoomInButton.addEventListener("click", function() { let newScale = gdv_68ef7860b660ascale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_68ef7860b660ascale = Math.max(gdv_68ef7860b660aminScale, Math.min(gdv_68ef7860b660amaxScale, newScale)); gdv_68ef7860b660adrawImage(); }); gdv_68ef7860b660azoomOutButton.addEventListener("click", function() { let newScale = gdv_68ef7860b660ascale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_68ef7860b660ascale = Math.max(gdv_68ef7860b660aminScale, Math.min(gdv_68ef7860b660amaxScale, newScale)); gdv_68ef7860b660adrawImage(); }); gdv_68ef7860b660aresetZoomButton.addEventListener("click", function() { gdv_68ef7860b660arotationAngle = 0; gdv_68ef7860b660afitImageToCanvas(); gdv_68ef7860b660adrawImage(); }); function gdv_68ef7860b660agetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_68ef7860b660adownloadImage").addEventListener("click", function() { let url = gdv_68ef7860b660acurrentImage.src; const imageId = gdv_68ef7860b660agetImageIdFromUrl(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_68ef7860b660aprintImageFromApi(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_68ef7860b660aprintButton = document.getElementById("gdv_68ef7860b660aprintCanvas");
gdv_68ef7860b660aprintButton.addEventListener("click", function() { let url = gdv_68ef7860b660acurrentImage.src; const imageId = gdv_68ef7860b660agetImageIdFromUrl(url); gdv_68ef7860b660aprintImageFromApi(imageId); });
let gdv_68ef7860b660ainitialDistance = 0; let gdv_68ef7860b660ainitialScale = 1;
gdv_68ef7860b660acanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_68ef7860b660ainitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_68ef7860b660ainitialScale = gdv_68ef7860b660ascale; } });
gdv_68ef7860b660acanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_68ef7860b660ainitialDistance; let newScale = gdv_68ef7860b660ainitialScale * scaleChange;
newScale = Math.max(gdv_68ef7860b660aminScale, Math.min(gdv_68ef7860b660amaxScale, 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_68ef7860b660ascale; gdv_68ef7860b660aoriginX = centerX - (centerX - gdv_68ef7860b660aoriginX) * scaleRatio; gdv_68ef7860b660aoriginY = centerY - (centerY - gdv_68ef7860b660aoriginY) * scaleRatio;
gdv_68ef7860b660ascale = newScale; gdv_68ef7860b660adrawImage(); // 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); }