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const gdv_687128b99b1efcanvas = document.getElementById("gdv_687128b99b1efimageCanvas"); const gdv_687128b99b1efctx = gdv_687128b99b1efcanvas.getContext("2d");
const gdv_687128b99b1efthumbnailContainer = document.getElementById("gdv_687128b99b1efthumbnailContainer"); const gdv_687128b99b1efthumbnailContainerWrapper = document.getElementById("gdv_687128b99b1efthumbnailContainerWrapper"); const gdv_687128b99b1efzoomInButton = document.getElementById("gdv_687128b99b1efzoomIn"); const gdv_687128b99b1efzoomOutButton = document.getElementById("gdv_687128b99b1efzoomOut"); const gdv_687128b99b1efresetZoomButton = document.getElementById("gdv_687128b99b1efresetZoom");
const gdv_687128b99b1efbrightnessInput = document.getElementById("gdv_687128b99b1efbrightness"); const gdv_687128b99b1efcontrastInput = document.getElementById("gdv_687128b99b1efcontrast"); const gdv_687128b99b1effullscreenButton = document.getElementById("gdv_687128b99b1effullscreen");
const gdv_687128b99b1efrotateRightButton = document.getElementById("gdv_687128b99b1efrotateRight"); const gdv_687128b99b1efrotateLeftButton = document.getElementById("gdv_687128b99b1efrotateLeft");
const gdv_687128b99b1efprevSlideButton = document.getElementById("gdv_687128b99b1efprevSlide"); const gdv_687128b99b1efnextSlideButton = document.getElementById("gdv_687128b99b1efnextSlide"); const gdv_687128b99b1efslideNumberDisplay = document.getElementById("gdv_687128b99b1efslideNumber"); const gdv_687128b99b1efimageName = document.getElementById("gdv_687128b99b1efimageName");
let gdv_687128b99b1efcurrentSlideIndex = 0;
gdv_687128b99b1efbrightnessInput.addEventListener("input", gdv_687128b99b1efdrawImage); gdv_687128b99b1efcontrastInput.addEventListener("input", gdv_687128b99b1efdrawImage);
const gdv_687128b99b1efimageUrls = [{"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_687128b99b1efscale = 1; let gdv_687128b99b1eforiginX = 0; let gdv_687128b99b1eforiginY = 0; const gdv_687128b99b1efminScale = 0.1; const gdv_687128b99b1efmaxScale = 5; let gdv_687128b99b1efcurrentImage = new Image();
let gdv_687128b99b1efrotationAngle = 0;
gdv_687128b99b1efrotateRightButton.addEventListener("click", function() { gdv_687128b99b1efrotationAngle = (gdv_687128b99b1efrotationAngle + 90) % 360; gdv_687128b99b1efdrawImage(); });
gdv_687128b99b1efrotateLeftButton.addEventListener("click", function() { gdv_687128b99b1efrotationAngle = (gdv_687128b99b1efrotationAngle - 90 + 360) % 360; gdv_687128b99b1efdrawImage(); });
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_687128b99b1efcurrentImage.src = gdv_687128b99b1efimageUrls[0]["url"]; gdv_687128b99b1efimageName.innerHTML = filtrerChaine(gdv_687128b99b1efimageUrls[0]["name"], "rien"); gdv_687128b99b1efcurrentImage.onload = function() {
gdv_687128b99b1efupdateSlideNumber(); gdv_687128b99b1efresizeCanvas(); gdv_687128b99b1efdrawImage(); document.getElementById("gdv_687128b99b1efcontrols").style.display = "block"; };
function gdv_687128b99b1efupdateSlideNumber() { gdv_687128b99b1efslideNumberDisplay.textContent = `${gdv_687128b99b1efcurrentSlideIndex + 1} / ${gdv_687128b99b1efimageUrls.length}`; }
gdv_687128b99b1efprevSlideButton.addEventListener("click", function() { if (gdv_687128b99b1efcurrentSlideIndex > 0) { gdv_687128b99b1efcurrentSlideIndex--; gdv_687128b99b1efloadImage(gdv_687128b99b1efcurrentSlideIndex); gdv_687128b99b1efupdateSlideNumber(); } });
gdv_687128b99b1efnextSlideButton.addEventListener("click", function() { if (gdv_687128b99b1efcurrentSlideIndex < gdv_687128b99b1efimageUrls.length - 1) { gdv_687128b99b1efcurrentSlideIndex++; gdv_687128b99b1efloadImage(gdv_687128b99b1efcurrentSlideIndex); gdv_687128b99b1efupdateSlideNumber(); } }); function gdv_687128b99b1efresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_687128b99b1efcanvasContainer"); gdv_687128b99b1efcanvas.width = container.clientWidth; gdv_687128b99b1efcanvas.height = container.clientHeight - 30; gdv_687128b99b1effitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_687128b99b1efdrawImage(); } window.addEventListener("load", gdv_687128b99b1efresizeCanvas); window.addEventListener("resize", gdv_687128b99b1efresizeCanvas); function gdv_687128b99b1effitImageToCanvas() { const canvasAspect = gdv_687128b99b1efcanvas.width / gdv_687128b99b1efcanvas.height; const imageAspect = gdv_687128b99b1efcurrentImage.width / gdv_687128b99b1efcurrentImage.height; if (imageAspect > canvasAspect) { gdv_687128b99b1efscale = gdv_687128b99b1efcanvas.width / gdv_687128b99b1efcurrentImage.width; } else { gdv_687128b99b1efscale = gdv_687128b99b1efcanvas.height / gdv_687128b99b1efcurrentImage.height; } gdv_687128b99b1eforiginX = gdv_687128b99b1efcanvas.width / 2; gdv_687128b99b1eforiginY = gdv_687128b99b1efcanvas.height / 2; }
function gdv_687128b99b1efdrawImage() { gdv_687128b99b1efctx.clearRect(0, 0, gdv_687128b99b1efcanvas.width, gdv_687128b99b1efcanvas.height); gdv_687128b99b1efctx.save(); gdv_687128b99b1efctx.translate(gdv_687128b99b1eforiginX, gdv_687128b99b1eforiginY); gdv_687128b99b1efctx.rotate((Math.PI / 180) * gdv_687128b99b1efrotationAngle); gdv_687128b99b1efctx.scale(gdv_687128b99b1efscale, gdv_687128b99b1efscale);
// Appliquer la luminosité et le contraste gdv_687128b99b1efctx.filter = `brightness(${gdv_687128b99b1efbrightnessInput.value}) contrast(${gdv_687128b99b1efcontrastInput.value})`; gdv_687128b99b1efctx.drawImage(gdv_687128b99b1efcurrentImage, -gdv_687128b99b1efcurrentImage.width/2, -gdv_687128b99b1efcurrentImage.height/2); gdv_687128b99b1efctx.restore(); }
// Ajouter les miniatures des images gdv_687128b99b1efimageUrls.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_687128b99b1efloadImage(index); gdv_687128b99b1efcurrentSlideIndex = index; gdv_687128b99b1efupdateSlideNumber(); }; slide.appendChild(img); gdv_687128b99b1efthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_687128b99b1efloadImage(index) { gdv_687128b99b1efcurrentImage.src = gdv_687128b99b1efimageUrls[index]["url"]; gdv_687128b99b1efimageName.innerHTML = filtrerChaine(gdv_687128b99b1efimageUrls[index]["name"], "rien"); gdv_687128b99b1efcurrentImage.onload = function() { gdv_687128b99b1efscale = 1; gdv_687128b99b1eforiginX = 0; gdv_687128b99b1eforiginY = 0; gdv_687128b99b1effitImageToCanvas(); gdv_687128b99b1efdrawImage(); };
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_687128b99b1efswiper = new Swiper(".gdv_687128b99b1efswiper-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_687128b99b1efswiper.on("slideChange", function () { // gdv_687128b99b1efcurrentSlideIndex = gdv_687128b99b1efswiper.activeIndex; // gdv_687128b99b1efupdateSlideNumber(); //});
// Plein écran gdv_687128b99b1effullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_687128b99b1efgd-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_687128b99b1efcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_687128b99b1efscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_687128b99b1efminScale, Math.min(gdv_687128b99b1efmaxScale, newScale)); const scaleRatio = newScale / gdv_687128b99b1efscale; gdv_687128b99b1eforiginX = mouseX - (mouseX - gdv_687128b99b1eforiginX) * scaleRatio; gdv_687128b99b1eforiginY = mouseY - (mouseY - gdv_687128b99b1eforiginY) * scaleRatio; gdv_687128b99b1efscale = newScale; gdv_687128b99b1efdrawImage(); }); // Gestion du déplacement (pan) let gdv_687128b99b1efisDragging = false; let gdv_687128b99b1efstartX, gdv_687128b99b1efstartY; gdv_687128b99b1efcanvas.addEventListener("mousedown", function(event) { gdv_687128b99b1efisDragging = true; gdv_687128b99b1efstartX = event.offsetX - gdv_687128b99b1eforiginX; gdv_687128b99b1efstartY = event.offsetY - gdv_687128b99b1eforiginY; gdv_687128b99b1efcanvas.style.cursor = "grabbing"; }); gdv_687128b99b1efcanvas.addEventListener("mousemove", function(event) { if (gdv_687128b99b1efisDragging) { gdv_687128b99b1eforiginX = event.offsetX - gdv_687128b99b1efstartX; gdv_687128b99b1eforiginY = event.offsetY - gdv_687128b99b1efstartY; gdv_687128b99b1efdrawImage(); } }); // Gestion des événements tactiles gdv_687128b99b1efcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_687128b99b1efisDragging = true; const touch = event.touches[0]; gdv_687128b99b1efstartX = touch.pageX - gdv_687128b99b1eforiginX; gdv_687128b99b1efstartY = touch.pageY - gdv_687128b99b1eforiginY; } }); gdv_687128b99b1efcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_687128b99b1eforiginX = touch.pageX - gdv_687128b99b1efstartX; gdv_687128b99b1eforiginY = touch.pageY - gdv_687128b99b1efstartY; gdv_687128b99b1efdrawImage(); }); gdv_687128b99b1efcanvas.addEventListener("touchend", function() { gdv_687128b99b1efisDragging = false; }); gdv_687128b99b1efcanvas.addEventListener("mouseup", function() { gdv_687128b99b1efisDragging = false; gdv_687128b99b1efcanvas.style.cursor = "grab"; }); gdv_687128b99b1efcanvas.addEventListener("mouseleave", function() { gdv_687128b99b1efisDragging = false; gdv_687128b99b1efcanvas.style.cursor = "grab"; }); gdv_687128b99b1efzoomInButton.addEventListener("click", function() { let newScale = gdv_687128b99b1efscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_687128b99b1efscale = Math.max(gdv_687128b99b1efminScale, Math.min(gdv_687128b99b1efmaxScale, newScale)); gdv_687128b99b1efdrawImage(); }); gdv_687128b99b1efzoomOutButton.addEventListener("click", function() { let newScale = gdv_687128b99b1efscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_687128b99b1efscale = Math.max(gdv_687128b99b1efminScale, Math.min(gdv_687128b99b1efmaxScale, newScale)); gdv_687128b99b1efdrawImage(); }); gdv_687128b99b1efresetZoomButton.addEventListener("click", function() { gdv_687128b99b1efrotationAngle = 0; gdv_687128b99b1effitImageToCanvas(); gdv_687128b99b1efdrawImage(); }); function gdv_687128b99b1efgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_687128b99b1efdownloadImage").addEventListener("click", function() { let url = gdv_687128b99b1efcurrentImage.src; const imageId = gdv_687128b99b1efgetImageIdFromUrl(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_687128b99b1efprintImageFromApi(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_687128b99b1efprintButton = document.getElementById("gdv_687128b99b1efprintCanvas");
gdv_687128b99b1efprintButton.addEventListener("click", function() { let url = gdv_687128b99b1efcurrentImage.src; const imageId = gdv_687128b99b1efgetImageIdFromUrl(url); gdv_687128b99b1efprintImageFromApi(imageId); });
let gdv_687128b99b1efinitialDistance = 0; let gdv_687128b99b1efinitialScale = 1;
gdv_687128b99b1efcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_687128b99b1efinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_687128b99b1efinitialScale = gdv_687128b99b1efscale; } });
gdv_687128b99b1efcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_687128b99b1efinitialDistance; let newScale = gdv_687128b99b1efinitialScale * scaleChange;
newScale = Math.max(gdv_687128b99b1efminScale, Math.min(gdv_687128b99b1efmaxScale, 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_687128b99b1efscale; gdv_687128b99b1eforiginX = centerX - (centerX - gdv_687128b99b1eforiginX) * scaleRatio; gdv_687128b99b1eforiginY = centerY - (centerY - gdv_687128b99b1eforiginY) * scaleRatio;
gdv_687128b99b1efscale = newScale; gdv_687128b99b1efdrawImage(); // 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); }