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const gdv_69b32d96712eacanvas = document.getElementById("gdv_69b32d96712eaimageCanvas"); const gdv_69b32d96712eactx = gdv_69b32d96712eacanvas.getContext("2d");
const gdv_69b32d96712eathumbnailContainer = document.getElementById("gdv_69b32d96712eathumbnailContainer"); const gdv_69b32d96712eathumbnailContainerWrapper = document.getElementById("gdv_69b32d96712eathumbnailContainerWrapper"); const gdv_69b32d96712eazoomInButton = document.getElementById("gdv_69b32d96712eazoomIn"); const gdv_69b32d96712eazoomOutButton = document.getElementById("gdv_69b32d96712eazoomOut"); const gdv_69b32d96712earesetZoomButton = document.getElementById("gdv_69b32d96712earesetZoom");
const gdv_69b32d96712eabrightnessInput = document.getElementById("gdv_69b32d96712eabrightness"); const gdv_69b32d96712eacontrastInput = document.getElementById("gdv_69b32d96712eacontrast"); const gdv_69b32d96712eafullscreenButton = document.getElementById("gdv_69b32d96712eafullscreen");
const gdv_69b32d96712earotateRightButton = document.getElementById("gdv_69b32d96712earotateRight"); const gdv_69b32d96712earotateLeftButton = document.getElementById("gdv_69b32d96712earotateLeft");
const gdv_69b32d96712eaprevSlideButton = document.getElementById("gdv_69b32d96712eaprevSlide"); const gdv_69b32d96712eanextSlideButton = document.getElementById("gdv_69b32d96712eanextSlide"); const gdv_69b32d96712easlideNumberDisplay = document.getElementById("gdv_69b32d96712easlideNumber"); const gdv_69b32d96712eaimageName = document.getElementById("gdv_69b32d96712eaimageName");
let gdv_69b32d96712eacurrentSlideIndex = 0;
gdv_69b32d96712eabrightnessInput.addEventListener("input", gdv_69b32d96712eadrawImage); gdv_69b32d96712eacontrastInput.addEventListener("input", gdv_69b32d96712eadrawImage);
const gdv_69b32d96712eaimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1Rf1DkgIQiw-s0z0oFNjSFzW2tUMniOoy&sz=w3000","name":"OFDelpech_ordonance_droits_d'exportation.jpg"}];
let gdv_69b32d96712eascale = 1; let gdv_69b32d96712eaoriginX = 0; let gdv_69b32d96712eaoriginY = 0; const gdv_69b32d96712eaminScale = 0.1; const gdv_69b32d96712eamaxScale = 5; let gdv_69b32d96712eacurrentImage = new Image();
let gdv_69b32d96712earotationAngle = 0;
gdv_69b32d96712earotateRightButton.addEventListener("click", function() { gdv_69b32d96712earotationAngle = (gdv_69b32d96712earotationAngle + 90) % 360; gdv_69b32d96712eadrawImage(); });
gdv_69b32d96712earotateLeftButton.addEventListener("click", function() { gdv_69b32d96712earotationAngle = (gdv_69b32d96712earotationAngle - 90 + 360) % 360; gdv_69b32d96712eadrawImage(); });
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_69b32d96712eacurrentImage.src = gdv_69b32d96712eaimageUrls[0]["url"]; gdv_69b32d96712eaimageName.innerHTML = filtrerChaine(gdv_69b32d96712eaimageUrls[0]["name"], "rien"); gdv_69b32d96712eacurrentImage.onload = function() {
gdv_69b32d96712eaupdateSlideNumber(); gdv_69b32d96712earesizeCanvas(); gdv_69b32d96712eadrawImage(); document.getElementById("gdv_69b32d96712eacontrols").style.display = "block"; };
function gdv_69b32d96712eaupdateSlideNumber() { gdv_69b32d96712easlideNumberDisplay.textContent = `${gdv_69b32d96712eacurrentSlideIndex + 1} / ${gdv_69b32d96712eaimageUrls.length}`; }
gdv_69b32d96712eaprevSlideButton.addEventListener("click", function() { if (gdv_69b32d96712eacurrentSlideIndex > 0) { gdv_69b32d96712eacurrentSlideIndex--; gdv_69b32d96712ealoadImage(gdv_69b32d96712eacurrentSlideIndex); gdv_69b32d96712eaupdateSlideNumber(); } });
gdv_69b32d96712eanextSlideButton.addEventListener("click", function() { if (gdv_69b32d96712eacurrentSlideIndex < gdv_69b32d96712eaimageUrls.length - 1) { gdv_69b32d96712eacurrentSlideIndex++; gdv_69b32d96712ealoadImage(gdv_69b32d96712eacurrentSlideIndex); gdv_69b32d96712eaupdateSlideNumber(); } }); function gdv_69b32d96712earesizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69b32d96712eacanvasContainer"); gdv_69b32d96712eacanvas.width = container.clientWidth; gdv_69b32d96712eacanvas.height = container.clientHeight - 30; gdv_69b32d96712eafitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69b32d96712eadrawImage(); } window.addEventListener("load", gdv_69b32d96712earesizeCanvas); window.addEventListener("resize", gdv_69b32d96712earesizeCanvas); function gdv_69b32d96712eafitImageToCanvas() { const canvasAspect = gdv_69b32d96712eacanvas.width / gdv_69b32d96712eacanvas.height; const imageAspect = gdv_69b32d96712eacurrentImage.width / gdv_69b32d96712eacurrentImage.height; if (imageAspect > canvasAspect) { gdv_69b32d96712eascale = gdv_69b32d96712eacanvas.width / gdv_69b32d96712eacurrentImage.width; } else { gdv_69b32d96712eascale = gdv_69b32d96712eacanvas.height / gdv_69b32d96712eacurrentImage.height; } gdv_69b32d96712eaoriginX = gdv_69b32d96712eacanvas.width / 2; gdv_69b32d96712eaoriginY = gdv_69b32d96712eacanvas.height / 2; }
function gdv_69b32d96712eadrawImage() { gdv_69b32d96712eactx.clearRect(0, 0, gdv_69b32d96712eacanvas.width, gdv_69b32d96712eacanvas.height); gdv_69b32d96712eactx.save(); gdv_69b32d96712eactx.translate(gdv_69b32d96712eaoriginX, gdv_69b32d96712eaoriginY); gdv_69b32d96712eactx.rotate((Math.PI / 180) * gdv_69b32d96712earotationAngle); gdv_69b32d96712eactx.scale(gdv_69b32d96712eascale, gdv_69b32d96712eascale);
// Appliquer la luminosité et le contraste gdv_69b32d96712eactx.filter = `brightness(${gdv_69b32d96712eabrightnessInput.value}) contrast(${gdv_69b32d96712eacontrastInput.value})`; gdv_69b32d96712eactx.drawImage(gdv_69b32d96712eacurrentImage, -gdv_69b32d96712eacurrentImage.width/2, -gdv_69b32d96712eacurrentImage.height/2); gdv_69b32d96712eactx.restore(); }
// Ajouter les miniatures des images gdv_69b32d96712eaimageUrls.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_69b32d96712ealoadImage(index); gdv_69b32d96712eacurrentSlideIndex = index; gdv_69b32d96712eaupdateSlideNumber(); }; slide.appendChild(img); gdv_69b32d96712eathumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69b32d96712ealoadImage(index) { gdv_69b32d96712eacurrentImage.src = gdv_69b32d96712eaimageUrls[index]["url"]; gdv_69b32d96712eaimageName.innerHTML = filtrerChaine(gdv_69b32d96712eaimageUrls[index]["name"], "rien"); gdv_69b32d96712eacurrentImage.onload = function() { gdv_69b32d96712eascale = 1; gdv_69b32d96712eaoriginX = 0; gdv_69b32d96712eaoriginY = 0; gdv_69b32d96712eafitImageToCanvas(); gdv_69b32d96712eadrawImage(); };
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_69b32d96712easwiper = new Swiper(".gdv_69b32d96712easwiper-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_69b32d96712easwiper.on("slideChange", function () { // gdv_69b32d96712eacurrentSlideIndex = gdv_69b32d96712easwiper.activeIndex; // gdv_69b32d96712eaupdateSlideNumber(); //});
// Plein écran gdv_69b32d96712eafullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69b32d96712eagd-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_69b32d96712eacanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69b32d96712eascale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69b32d96712eaminScale, Math.min(gdv_69b32d96712eamaxScale, newScale)); const scaleRatio = newScale / gdv_69b32d96712eascale; gdv_69b32d96712eaoriginX = mouseX - (mouseX - gdv_69b32d96712eaoriginX) * scaleRatio; gdv_69b32d96712eaoriginY = mouseY - (mouseY - gdv_69b32d96712eaoriginY) * scaleRatio; gdv_69b32d96712eascale = newScale; gdv_69b32d96712eadrawImage(); }); // Gestion du déplacement (pan) let gdv_69b32d96712eaisDragging = false; let gdv_69b32d96712eastartX, gdv_69b32d96712eastartY; gdv_69b32d96712eacanvas.addEventListener("mousedown", function(event) { gdv_69b32d96712eaisDragging = true; gdv_69b32d96712eastartX = event.offsetX - gdv_69b32d96712eaoriginX; gdv_69b32d96712eastartY = event.offsetY - gdv_69b32d96712eaoriginY; gdv_69b32d96712eacanvas.style.cursor = "grabbing"; }); gdv_69b32d96712eacanvas.addEventListener("mousemove", function(event) { if (gdv_69b32d96712eaisDragging) { gdv_69b32d96712eaoriginX = event.offsetX - gdv_69b32d96712eastartX; gdv_69b32d96712eaoriginY = event.offsetY - gdv_69b32d96712eastartY; gdv_69b32d96712eadrawImage(); } }); // Gestion des événements tactiles gdv_69b32d96712eacanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69b32d96712eaisDragging = true; const touch = event.touches[0]; gdv_69b32d96712eastartX = touch.pageX - gdv_69b32d96712eaoriginX; gdv_69b32d96712eastartY = touch.pageY - gdv_69b32d96712eaoriginY; } }); gdv_69b32d96712eacanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69b32d96712eaoriginX = touch.pageX - gdv_69b32d96712eastartX; gdv_69b32d96712eaoriginY = touch.pageY - gdv_69b32d96712eastartY; gdv_69b32d96712eadrawImage(); }); gdv_69b32d96712eacanvas.addEventListener("touchend", function() { gdv_69b32d96712eaisDragging = false; }); gdv_69b32d96712eacanvas.addEventListener("mouseup", function() { gdv_69b32d96712eaisDragging = false; gdv_69b32d96712eacanvas.style.cursor = "grab"; }); gdv_69b32d96712eacanvas.addEventListener("mouseleave", function() { gdv_69b32d96712eaisDragging = false; gdv_69b32d96712eacanvas.style.cursor = "grab"; }); gdv_69b32d96712eazoomInButton.addEventListener("click", function() { let newScale = gdv_69b32d96712eascale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69b32d96712eascale = Math.max(gdv_69b32d96712eaminScale, Math.min(gdv_69b32d96712eamaxScale, newScale)); gdv_69b32d96712eadrawImage(); }); gdv_69b32d96712eazoomOutButton.addEventListener("click", function() { let newScale = gdv_69b32d96712eascale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69b32d96712eascale = Math.max(gdv_69b32d96712eaminScale, Math.min(gdv_69b32d96712eamaxScale, newScale)); gdv_69b32d96712eadrawImage(); }); gdv_69b32d96712earesetZoomButton.addEventListener("click", function() { gdv_69b32d96712earotationAngle = 0; gdv_69b32d96712eafitImageToCanvas(); gdv_69b32d96712eadrawImage(); }); function gdv_69b32d96712eagetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69b32d96712eadownloadImage").addEventListener("click", function() { let url = gdv_69b32d96712eacurrentImage.src; const imageId = gdv_69b32d96712eagetImageIdFromUrl(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_69b32d96712eaprintImageFromApi(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_69b32d96712eaprintButton = document.getElementById("gdv_69b32d96712eaprintCanvas");
gdv_69b32d96712eaprintButton.addEventListener("click", function() { let url = gdv_69b32d96712eacurrentImage.src; const imageId = gdv_69b32d96712eagetImageIdFromUrl(url); gdv_69b32d96712eaprintImageFromApi(imageId); });
let gdv_69b32d96712eainitialDistance = 0; let gdv_69b32d96712eainitialScale = 1;
gdv_69b32d96712eacanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69b32d96712eainitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69b32d96712eainitialScale = gdv_69b32d96712eascale; } });
gdv_69b32d96712eacanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69b32d96712eainitialDistance; let newScale = gdv_69b32d96712eainitialScale * scaleChange;
newScale = Math.max(gdv_69b32d96712eaminScale, Math.min(gdv_69b32d96712eamaxScale, 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_69b32d96712eascale; gdv_69b32d96712eaoriginX = centerX - (centerX - gdv_69b32d96712eaoriginX) * scaleRatio; gdv_69b32d96712eaoriginY = centerY - (centerY - gdv_69b32d96712eaoriginY) * scaleRatio;
gdv_69b32d96712eascale = newScale; gdv_69b32d96712eadrawImage(); // 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); }