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const gdv_693d36a8a85becanvas = document.getElementById("gdv_693d36a8a85beimageCanvas"); const gdv_693d36a8a85bectx = gdv_693d36a8a85becanvas.getContext("2d");
const gdv_693d36a8a85bethumbnailContainer = document.getElementById("gdv_693d36a8a85bethumbnailContainer"); const gdv_693d36a8a85bethumbnailContainerWrapper = document.getElementById("gdv_693d36a8a85bethumbnailContainerWrapper"); const gdv_693d36a8a85bezoomInButton = document.getElementById("gdv_693d36a8a85bezoomIn"); const gdv_693d36a8a85bezoomOutButton = document.getElementById("gdv_693d36a8a85bezoomOut"); const gdv_693d36a8a85beresetZoomButton = document.getElementById("gdv_693d36a8a85beresetZoom");
const gdv_693d36a8a85bebrightnessInput = document.getElementById("gdv_693d36a8a85bebrightness"); const gdv_693d36a8a85becontrastInput = document.getElementById("gdv_693d36a8a85becontrast"); const gdv_693d36a8a85befullscreenButton = document.getElementById("gdv_693d36a8a85befullscreen");
const gdv_693d36a8a85berotateRightButton = document.getElementById("gdv_693d36a8a85berotateRight"); const gdv_693d36a8a85berotateLeftButton = document.getElementById("gdv_693d36a8a85berotateLeft");
const gdv_693d36a8a85beprevSlideButton = document.getElementById("gdv_693d36a8a85beprevSlide"); const gdv_693d36a8a85benextSlideButton = document.getElementById("gdv_693d36a8a85benextSlide"); const gdv_693d36a8a85beslideNumberDisplay = document.getElementById("gdv_693d36a8a85beslideNumber"); const gdv_693d36a8a85beimageName = document.getElementById("gdv_693d36a8a85beimageName");
let gdv_693d36a8a85becurrentSlideIndex = 0;
gdv_693d36a8a85bebrightnessInput.addEventListener("input", gdv_693d36a8a85bedrawImage); gdv_693d36a8a85becontrastInput.addEventListener("input", gdv_693d36a8a85bedrawImage);
const gdv_693d36a8a85beimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1iOKauMu2I77N7xfgQqEbhX774c42tgDL&sz=w3000","name":"EPOL_LFS_destitution de plusieurs citoyens pour cause d'incivisme.jpg"}];
let gdv_693d36a8a85bescale = 1; let gdv_693d36a8a85beoriginX = 0; let gdv_693d36a8a85beoriginY = 0; const gdv_693d36a8a85beminScale = 0.1; const gdv_693d36a8a85bemaxScale = 5; let gdv_693d36a8a85becurrentImage = new Image();
let gdv_693d36a8a85berotationAngle = 0;
gdv_693d36a8a85berotateRightButton.addEventListener("click", function() { gdv_693d36a8a85berotationAngle = (gdv_693d36a8a85berotationAngle + 90) % 360; gdv_693d36a8a85bedrawImage(); });
gdv_693d36a8a85berotateLeftButton.addEventListener("click", function() { gdv_693d36a8a85berotationAngle = (gdv_693d36a8a85berotationAngle - 90 + 360) % 360; gdv_693d36a8a85bedrawImage(); });
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_693d36a8a85becurrentImage.src = gdv_693d36a8a85beimageUrls[0]["url"]; gdv_693d36a8a85beimageName.innerHTML = filtrerChaine(gdv_693d36a8a85beimageUrls[0]["name"], "rien"); gdv_693d36a8a85becurrentImage.onload = function() {
gdv_693d36a8a85beupdateSlideNumber(); gdv_693d36a8a85beresizeCanvas(); gdv_693d36a8a85bedrawImage(); document.getElementById("gdv_693d36a8a85becontrols").style.display = "block"; };
function gdv_693d36a8a85beupdateSlideNumber() { gdv_693d36a8a85beslideNumberDisplay.textContent = `${gdv_693d36a8a85becurrentSlideIndex + 1} / ${gdv_693d36a8a85beimageUrls.length}`; }
gdv_693d36a8a85beprevSlideButton.addEventListener("click", function() { if (gdv_693d36a8a85becurrentSlideIndex > 0) { gdv_693d36a8a85becurrentSlideIndex--; gdv_693d36a8a85beloadImage(gdv_693d36a8a85becurrentSlideIndex); gdv_693d36a8a85beupdateSlideNumber(); } });
gdv_693d36a8a85benextSlideButton.addEventListener("click", function() { if (gdv_693d36a8a85becurrentSlideIndex < gdv_693d36a8a85beimageUrls.length - 1) { gdv_693d36a8a85becurrentSlideIndex++; gdv_693d36a8a85beloadImage(gdv_693d36a8a85becurrentSlideIndex); gdv_693d36a8a85beupdateSlideNumber(); } }); function gdv_693d36a8a85beresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_693d36a8a85becanvasContainer"); gdv_693d36a8a85becanvas.width = container.clientWidth; gdv_693d36a8a85becanvas.height = container.clientHeight - 30; gdv_693d36a8a85befitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_693d36a8a85bedrawImage(); } window.addEventListener("load", gdv_693d36a8a85beresizeCanvas); window.addEventListener("resize", gdv_693d36a8a85beresizeCanvas); function gdv_693d36a8a85befitImageToCanvas() { const canvasAspect = gdv_693d36a8a85becanvas.width / gdv_693d36a8a85becanvas.height; const imageAspect = gdv_693d36a8a85becurrentImage.width / gdv_693d36a8a85becurrentImage.height; if (imageAspect > canvasAspect) { gdv_693d36a8a85bescale = gdv_693d36a8a85becanvas.width / gdv_693d36a8a85becurrentImage.width; } else { gdv_693d36a8a85bescale = gdv_693d36a8a85becanvas.height / gdv_693d36a8a85becurrentImage.height; } gdv_693d36a8a85beoriginX = gdv_693d36a8a85becanvas.width / 2; gdv_693d36a8a85beoriginY = gdv_693d36a8a85becanvas.height / 2; }
function gdv_693d36a8a85bedrawImage() { gdv_693d36a8a85bectx.clearRect(0, 0, gdv_693d36a8a85becanvas.width, gdv_693d36a8a85becanvas.height); gdv_693d36a8a85bectx.save(); gdv_693d36a8a85bectx.translate(gdv_693d36a8a85beoriginX, gdv_693d36a8a85beoriginY); gdv_693d36a8a85bectx.rotate((Math.PI / 180) * gdv_693d36a8a85berotationAngle); gdv_693d36a8a85bectx.scale(gdv_693d36a8a85bescale, gdv_693d36a8a85bescale);
// Appliquer la luminosité et le contraste gdv_693d36a8a85bectx.filter = `brightness(${gdv_693d36a8a85bebrightnessInput.value}) contrast(${gdv_693d36a8a85becontrastInput.value})`; gdv_693d36a8a85bectx.drawImage(gdv_693d36a8a85becurrentImage, -gdv_693d36a8a85becurrentImage.width/2, -gdv_693d36a8a85becurrentImage.height/2); gdv_693d36a8a85bectx.restore(); }
// Ajouter les miniatures des images gdv_693d36a8a85beimageUrls.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_693d36a8a85beloadImage(index); gdv_693d36a8a85becurrentSlideIndex = index; gdv_693d36a8a85beupdateSlideNumber(); }; slide.appendChild(img); gdv_693d36a8a85bethumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_693d36a8a85beloadImage(index) { gdv_693d36a8a85becurrentImage.src = gdv_693d36a8a85beimageUrls[index]["url"]; gdv_693d36a8a85beimageName.innerHTML = filtrerChaine(gdv_693d36a8a85beimageUrls[index]["name"], "rien"); gdv_693d36a8a85becurrentImage.onload = function() { gdv_693d36a8a85bescale = 1; gdv_693d36a8a85beoriginX = 0; gdv_693d36a8a85beoriginY = 0; gdv_693d36a8a85befitImageToCanvas(); gdv_693d36a8a85bedrawImage(); };
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_693d36a8a85beswiper = new Swiper(".gdv_693d36a8a85beswiper-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_693d36a8a85beswiper.on("slideChange", function () { // gdv_693d36a8a85becurrentSlideIndex = gdv_693d36a8a85beswiper.activeIndex; // gdv_693d36a8a85beupdateSlideNumber(); //});
// Plein écran gdv_693d36a8a85befullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_693d36a8a85begd-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_693d36a8a85becanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_693d36a8a85bescale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_693d36a8a85beminScale, Math.min(gdv_693d36a8a85bemaxScale, newScale)); const scaleRatio = newScale / gdv_693d36a8a85bescale; gdv_693d36a8a85beoriginX = mouseX - (mouseX - gdv_693d36a8a85beoriginX) * scaleRatio; gdv_693d36a8a85beoriginY = mouseY - (mouseY - gdv_693d36a8a85beoriginY) * scaleRatio; gdv_693d36a8a85bescale = newScale; gdv_693d36a8a85bedrawImage(); }); // Gestion du déplacement (pan) let gdv_693d36a8a85beisDragging = false; let gdv_693d36a8a85bestartX, gdv_693d36a8a85bestartY; gdv_693d36a8a85becanvas.addEventListener("mousedown", function(event) { gdv_693d36a8a85beisDragging = true; gdv_693d36a8a85bestartX = event.offsetX - gdv_693d36a8a85beoriginX; gdv_693d36a8a85bestartY = event.offsetY - gdv_693d36a8a85beoriginY; gdv_693d36a8a85becanvas.style.cursor = "grabbing"; }); gdv_693d36a8a85becanvas.addEventListener("mousemove", function(event) { if (gdv_693d36a8a85beisDragging) { gdv_693d36a8a85beoriginX = event.offsetX - gdv_693d36a8a85bestartX; gdv_693d36a8a85beoriginY = event.offsetY - gdv_693d36a8a85bestartY; gdv_693d36a8a85bedrawImage(); } }); // Gestion des événements tactiles gdv_693d36a8a85becanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_693d36a8a85beisDragging = true; const touch = event.touches[0]; gdv_693d36a8a85bestartX = touch.pageX - gdv_693d36a8a85beoriginX; gdv_693d36a8a85bestartY = touch.pageY - gdv_693d36a8a85beoriginY; } }); gdv_693d36a8a85becanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_693d36a8a85beoriginX = touch.pageX - gdv_693d36a8a85bestartX; gdv_693d36a8a85beoriginY = touch.pageY - gdv_693d36a8a85bestartY; gdv_693d36a8a85bedrawImage(); }); gdv_693d36a8a85becanvas.addEventListener("touchend", function() { gdv_693d36a8a85beisDragging = false; }); gdv_693d36a8a85becanvas.addEventListener("mouseup", function() { gdv_693d36a8a85beisDragging = false; gdv_693d36a8a85becanvas.style.cursor = "grab"; }); gdv_693d36a8a85becanvas.addEventListener("mouseleave", function() { gdv_693d36a8a85beisDragging = false; gdv_693d36a8a85becanvas.style.cursor = "grab"; }); gdv_693d36a8a85bezoomInButton.addEventListener("click", function() { let newScale = gdv_693d36a8a85bescale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_693d36a8a85bescale = Math.max(gdv_693d36a8a85beminScale, Math.min(gdv_693d36a8a85bemaxScale, newScale)); gdv_693d36a8a85bedrawImage(); }); gdv_693d36a8a85bezoomOutButton.addEventListener("click", function() { let newScale = gdv_693d36a8a85bescale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_693d36a8a85bescale = Math.max(gdv_693d36a8a85beminScale, Math.min(gdv_693d36a8a85bemaxScale, newScale)); gdv_693d36a8a85bedrawImage(); }); gdv_693d36a8a85beresetZoomButton.addEventListener("click", function() { gdv_693d36a8a85berotationAngle = 0; gdv_693d36a8a85befitImageToCanvas(); gdv_693d36a8a85bedrawImage(); }); function gdv_693d36a8a85begetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_693d36a8a85bedownloadImage").addEventListener("click", function() { let url = gdv_693d36a8a85becurrentImage.src; const imageId = gdv_693d36a8a85begetImageIdFromUrl(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_693d36a8a85beprintImageFromApi(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_693d36a8a85beprintButton = document.getElementById("gdv_693d36a8a85beprintCanvas");
gdv_693d36a8a85beprintButton.addEventListener("click", function() { let url = gdv_693d36a8a85becurrentImage.src; const imageId = gdv_693d36a8a85begetImageIdFromUrl(url); gdv_693d36a8a85beprintImageFromApi(imageId); });
let gdv_693d36a8a85beinitialDistance = 0; let gdv_693d36a8a85beinitialScale = 1;
gdv_693d36a8a85becanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_693d36a8a85beinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_693d36a8a85beinitialScale = gdv_693d36a8a85bescale; } });
gdv_693d36a8a85becanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_693d36a8a85beinitialDistance; let newScale = gdv_693d36a8a85beinitialScale * scaleChange;
newScale = Math.max(gdv_693d36a8a85beminScale, Math.min(gdv_693d36a8a85bemaxScale, 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_693d36a8a85bescale; gdv_693d36a8a85beoriginX = centerX - (centerX - gdv_693d36a8a85beoriginX) * scaleRatio; gdv_693d36a8a85beoriginY = centerY - (centerY - gdv_693d36a8a85beoriginY) * scaleRatio;
gdv_693d36a8a85bescale = newScale; gdv_693d36a8a85bedrawImage(); // 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); }