1 / X
const gdv_698e86e51c24ccanvas = document.getElementById("gdv_698e86e51c24cimageCanvas"); const gdv_698e86e51c24cctx = gdv_698e86e51c24ccanvas.getContext("2d");
const gdv_698e86e51c24cthumbnailContainer = document.getElementById("gdv_698e86e51c24cthumbnailContainer"); const gdv_698e86e51c24cthumbnailContainerWrapper = document.getElementById("gdv_698e86e51c24cthumbnailContainerWrapper"); const gdv_698e86e51c24czoomInButton = document.getElementById("gdv_698e86e51c24czoomIn"); const gdv_698e86e51c24czoomOutButton = document.getElementById("gdv_698e86e51c24czoomOut"); const gdv_698e86e51c24cresetZoomButton = document.getElementById("gdv_698e86e51c24cresetZoom");
const gdv_698e86e51c24cbrightnessInput = document.getElementById("gdv_698e86e51c24cbrightness"); const gdv_698e86e51c24ccontrastInput = document.getElementById("gdv_698e86e51c24ccontrast"); const gdv_698e86e51c24cfullscreenButton = document.getElementById("gdv_698e86e51c24cfullscreen");
const gdv_698e86e51c24crotateRightButton = document.getElementById("gdv_698e86e51c24crotateRight"); const gdv_698e86e51c24crotateLeftButton = document.getElementById("gdv_698e86e51c24crotateLeft");
const gdv_698e86e51c24cprevSlideButton = document.getElementById("gdv_698e86e51c24cprevSlide"); const gdv_698e86e51c24cnextSlideButton = document.getElementById("gdv_698e86e51c24cnextSlide"); const gdv_698e86e51c24cslideNumberDisplay = document.getElementById("gdv_698e86e51c24cslideNumber"); const gdv_698e86e51c24cimageName = document.getElementById("gdv_698e86e51c24cimageName");
let gdv_698e86e51c24ccurrentSlideIndex = 0;
gdv_698e86e51c24cbrightnessInput.addEventListener("input", gdv_698e86e51c24cdrawImage); gdv_698e86e51c24ccontrastInput.addEventListener("input", gdv_698e86e51c24cdrawImage);
const gdv_698e86e51c24cimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1rj822uUokR_C8p1qcZqFha58q9sfNRDg&sz=w3000","name":"EPOL et LFS_sur la loi du 25 aout sur les biens des personnes non re\u0301sidantes en France ou dans les colonies.jpg"}];
let gdv_698e86e51c24cscale = 1; let gdv_698e86e51c24coriginX = 0; let gdv_698e86e51c24coriginY = 0; const gdv_698e86e51c24cminScale = 0.1; const gdv_698e86e51c24cmaxScale = 5; let gdv_698e86e51c24ccurrentImage = new Image();
let gdv_698e86e51c24crotationAngle = 0;
gdv_698e86e51c24crotateRightButton.addEventListener("click", function() { gdv_698e86e51c24crotationAngle = (gdv_698e86e51c24crotationAngle + 90) % 360; gdv_698e86e51c24cdrawImage(); });
gdv_698e86e51c24crotateLeftButton.addEventListener("click", function() { gdv_698e86e51c24crotationAngle = (gdv_698e86e51c24crotationAngle - 90 + 360) % 360; gdv_698e86e51c24cdrawImage(); });
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_698e86e51c24ccurrentImage.src = gdv_698e86e51c24cimageUrls[0]["url"]; gdv_698e86e51c24cimageName.innerHTML = filtrerChaine(gdv_698e86e51c24cimageUrls[0]["name"], "rien"); gdv_698e86e51c24ccurrentImage.onload = function() {
gdv_698e86e51c24cupdateSlideNumber(); gdv_698e86e51c24cresizeCanvas(); gdv_698e86e51c24cdrawImage(); document.getElementById("gdv_698e86e51c24ccontrols").style.display = "block"; };
function gdv_698e86e51c24cupdateSlideNumber() { gdv_698e86e51c24cslideNumberDisplay.textContent = `${gdv_698e86e51c24ccurrentSlideIndex + 1} / ${gdv_698e86e51c24cimageUrls.length}`; }
gdv_698e86e51c24cprevSlideButton.addEventListener("click", function() { if (gdv_698e86e51c24ccurrentSlideIndex > 0) { gdv_698e86e51c24ccurrentSlideIndex--; gdv_698e86e51c24cloadImage(gdv_698e86e51c24ccurrentSlideIndex); gdv_698e86e51c24cupdateSlideNumber(); } });
gdv_698e86e51c24cnextSlideButton.addEventListener("click", function() { if (gdv_698e86e51c24ccurrentSlideIndex < gdv_698e86e51c24cimageUrls.length - 1) { gdv_698e86e51c24ccurrentSlideIndex++; gdv_698e86e51c24cloadImage(gdv_698e86e51c24ccurrentSlideIndex); gdv_698e86e51c24cupdateSlideNumber(); } }); function gdv_698e86e51c24cresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_698e86e51c24ccanvasContainer"); gdv_698e86e51c24ccanvas.width = container.clientWidth; gdv_698e86e51c24ccanvas.height = container.clientHeight - 30; gdv_698e86e51c24cfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_698e86e51c24cdrawImage(); } window.addEventListener("load", gdv_698e86e51c24cresizeCanvas); window.addEventListener("resize", gdv_698e86e51c24cresizeCanvas); function gdv_698e86e51c24cfitImageToCanvas() { const canvasAspect = gdv_698e86e51c24ccanvas.width / gdv_698e86e51c24ccanvas.height; const imageAspect = gdv_698e86e51c24ccurrentImage.width / gdv_698e86e51c24ccurrentImage.height; if (imageAspect > canvasAspect) { gdv_698e86e51c24cscale = gdv_698e86e51c24ccanvas.width / gdv_698e86e51c24ccurrentImage.width; } else { gdv_698e86e51c24cscale = gdv_698e86e51c24ccanvas.height / gdv_698e86e51c24ccurrentImage.height; } gdv_698e86e51c24coriginX = gdv_698e86e51c24ccanvas.width / 2; gdv_698e86e51c24coriginY = gdv_698e86e51c24ccanvas.height / 2; }
function gdv_698e86e51c24cdrawImage() { gdv_698e86e51c24cctx.clearRect(0, 0, gdv_698e86e51c24ccanvas.width, gdv_698e86e51c24ccanvas.height); gdv_698e86e51c24cctx.save(); gdv_698e86e51c24cctx.translate(gdv_698e86e51c24coriginX, gdv_698e86e51c24coriginY); gdv_698e86e51c24cctx.rotate((Math.PI / 180) * gdv_698e86e51c24crotationAngle); gdv_698e86e51c24cctx.scale(gdv_698e86e51c24cscale, gdv_698e86e51c24cscale);
// Appliquer la luminosité et le contraste gdv_698e86e51c24cctx.filter = `brightness(${gdv_698e86e51c24cbrightnessInput.value}) contrast(${gdv_698e86e51c24ccontrastInput.value})`; gdv_698e86e51c24cctx.drawImage(gdv_698e86e51c24ccurrentImage, -gdv_698e86e51c24ccurrentImage.width/2, -gdv_698e86e51c24ccurrentImage.height/2); gdv_698e86e51c24cctx.restore(); }
// Ajouter les miniatures des images gdv_698e86e51c24cimageUrls.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_698e86e51c24cloadImage(index); gdv_698e86e51c24ccurrentSlideIndex = index; gdv_698e86e51c24cupdateSlideNumber(); }; slide.appendChild(img); gdv_698e86e51c24cthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_698e86e51c24cloadImage(index) { gdv_698e86e51c24ccurrentImage.src = gdv_698e86e51c24cimageUrls[index]["url"]; gdv_698e86e51c24cimageName.innerHTML = filtrerChaine(gdv_698e86e51c24cimageUrls[index]["name"], "rien"); gdv_698e86e51c24ccurrentImage.onload = function() { gdv_698e86e51c24cscale = 1; gdv_698e86e51c24coriginX = 0; gdv_698e86e51c24coriginY = 0; gdv_698e86e51c24cfitImageToCanvas(); gdv_698e86e51c24cdrawImage(); };
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_698e86e51c24cswiper = new Swiper(".gdv_698e86e51c24cswiper-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_698e86e51c24cswiper.on("slideChange", function () { // gdv_698e86e51c24ccurrentSlideIndex = gdv_698e86e51c24cswiper.activeIndex; // gdv_698e86e51c24cupdateSlideNumber(); //});
// Plein écran gdv_698e86e51c24cfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_698e86e51c24cgd-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_698e86e51c24ccanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_698e86e51c24cscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_698e86e51c24cminScale, Math.min(gdv_698e86e51c24cmaxScale, newScale)); const scaleRatio = newScale / gdv_698e86e51c24cscale; gdv_698e86e51c24coriginX = mouseX - (mouseX - gdv_698e86e51c24coriginX) * scaleRatio; gdv_698e86e51c24coriginY = mouseY - (mouseY - gdv_698e86e51c24coriginY) * scaleRatio; gdv_698e86e51c24cscale = newScale; gdv_698e86e51c24cdrawImage(); }); // Gestion du déplacement (pan) let gdv_698e86e51c24cisDragging = false; let gdv_698e86e51c24cstartX, gdv_698e86e51c24cstartY; gdv_698e86e51c24ccanvas.addEventListener("mousedown", function(event) { gdv_698e86e51c24cisDragging = true; gdv_698e86e51c24cstartX = event.offsetX - gdv_698e86e51c24coriginX; gdv_698e86e51c24cstartY = event.offsetY - gdv_698e86e51c24coriginY; gdv_698e86e51c24ccanvas.style.cursor = "grabbing"; }); gdv_698e86e51c24ccanvas.addEventListener("mousemove", function(event) { if (gdv_698e86e51c24cisDragging) { gdv_698e86e51c24coriginX = event.offsetX - gdv_698e86e51c24cstartX; gdv_698e86e51c24coriginY = event.offsetY - gdv_698e86e51c24cstartY; gdv_698e86e51c24cdrawImage(); } }); // Gestion des événements tactiles gdv_698e86e51c24ccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_698e86e51c24cisDragging = true; const touch = event.touches[0]; gdv_698e86e51c24cstartX = touch.pageX - gdv_698e86e51c24coriginX; gdv_698e86e51c24cstartY = touch.pageY - gdv_698e86e51c24coriginY; } }); gdv_698e86e51c24ccanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_698e86e51c24coriginX = touch.pageX - gdv_698e86e51c24cstartX; gdv_698e86e51c24coriginY = touch.pageY - gdv_698e86e51c24cstartY; gdv_698e86e51c24cdrawImage(); }); gdv_698e86e51c24ccanvas.addEventListener("touchend", function() { gdv_698e86e51c24cisDragging = false; }); gdv_698e86e51c24ccanvas.addEventListener("mouseup", function() { gdv_698e86e51c24cisDragging = false; gdv_698e86e51c24ccanvas.style.cursor = "grab"; }); gdv_698e86e51c24ccanvas.addEventListener("mouseleave", function() { gdv_698e86e51c24cisDragging = false; gdv_698e86e51c24ccanvas.style.cursor = "grab"; }); gdv_698e86e51c24czoomInButton.addEventListener("click", function() { let newScale = gdv_698e86e51c24cscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_698e86e51c24cscale = Math.max(gdv_698e86e51c24cminScale, Math.min(gdv_698e86e51c24cmaxScale, newScale)); gdv_698e86e51c24cdrawImage(); }); gdv_698e86e51c24czoomOutButton.addEventListener("click", function() { let newScale = gdv_698e86e51c24cscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_698e86e51c24cscale = Math.max(gdv_698e86e51c24cminScale, Math.min(gdv_698e86e51c24cmaxScale, newScale)); gdv_698e86e51c24cdrawImage(); }); gdv_698e86e51c24cresetZoomButton.addEventListener("click", function() { gdv_698e86e51c24crotationAngle = 0; gdv_698e86e51c24cfitImageToCanvas(); gdv_698e86e51c24cdrawImage(); }); function gdv_698e86e51c24cgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_698e86e51c24cdownloadImage").addEventListener("click", function() { let url = gdv_698e86e51c24ccurrentImage.src; const imageId = gdv_698e86e51c24cgetImageIdFromUrl(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_698e86e51c24cprintImageFromApi(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_698e86e51c24cprintButton = document.getElementById("gdv_698e86e51c24cprintCanvas");
gdv_698e86e51c24cprintButton.addEventListener("click", function() { let url = gdv_698e86e51c24ccurrentImage.src; const imageId = gdv_698e86e51c24cgetImageIdFromUrl(url); gdv_698e86e51c24cprintImageFromApi(imageId); });
let gdv_698e86e51c24cinitialDistance = 0; let gdv_698e86e51c24cinitialScale = 1;
gdv_698e86e51c24ccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_698e86e51c24cinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_698e86e51c24cinitialScale = gdv_698e86e51c24cscale; } });
gdv_698e86e51c24ccanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_698e86e51c24cinitialDistance; let newScale = gdv_698e86e51c24cinitialScale * scaleChange;
newScale = Math.max(gdv_698e86e51c24cminScale, Math.min(gdv_698e86e51c24cmaxScale, 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_698e86e51c24cscale; gdv_698e86e51c24coriginX = centerX - (centerX - gdv_698e86e51c24coriginX) * scaleRatio; gdv_698e86e51c24coriginY = centerY - (centerY - gdv_698e86e51c24coriginY) * scaleRatio;
gdv_698e86e51c24cscale = newScale; gdv_698e86e51c24cdrawImage(); // 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); }