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const gdv_697054daa5dafcanvas = document.getElementById("gdv_697054daa5dafimageCanvas"); const gdv_697054daa5dafctx = gdv_697054daa5dafcanvas.getContext("2d");
const gdv_697054daa5dafthumbnailContainer = document.getElementById("gdv_697054daa5dafthumbnailContainer"); const gdv_697054daa5dafthumbnailContainerWrapper = document.getElementById("gdv_697054daa5dafthumbnailContainerWrapper"); const gdv_697054daa5dafzoomInButton = document.getElementById("gdv_697054daa5dafzoomIn"); const gdv_697054daa5dafzoomOutButton = document.getElementById("gdv_697054daa5dafzoomOut"); const gdv_697054daa5dafresetZoomButton = document.getElementById("gdv_697054daa5dafresetZoom");
const gdv_697054daa5dafbrightnessInput = document.getElementById("gdv_697054daa5dafbrightness"); const gdv_697054daa5dafcontrastInput = document.getElementById("gdv_697054daa5dafcontrast"); const gdv_697054daa5daffullscreenButton = document.getElementById("gdv_697054daa5daffullscreen");
const gdv_697054daa5dafrotateRightButton = document.getElementById("gdv_697054daa5dafrotateRight"); const gdv_697054daa5dafrotateLeftButton = document.getElementById("gdv_697054daa5dafrotateLeft");
const gdv_697054daa5dafprevSlideButton = document.getElementById("gdv_697054daa5dafprevSlide"); const gdv_697054daa5dafnextSlideButton = document.getElementById("gdv_697054daa5dafnextSlide"); const gdv_697054daa5dafslideNumberDisplay = document.getElementById("gdv_697054daa5dafslideNumber"); const gdv_697054daa5dafimageName = document.getElementById("gdv_697054daa5dafimageName");
let gdv_697054daa5dafcurrentSlideIndex = 0;
gdv_697054daa5dafbrightnessInput.addEventListener("input", gdv_697054daa5dafdrawImage); gdv_697054daa5dafcontrastInput.addEventListener("input", gdv_697054daa5dafdrawImage);
const gdv_697054daa5dafimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1Mk03QwmEVkb_xylC-yO4ZjYFciwu88KN&sz=w3000","name":"ComCivils_souscription volontaire pour la guerre contre les re\u0301volte\u0301s.jpg"}];
let gdv_697054daa5dafscale = 1; let gdv_697054daa5daforiginX = 0; let gdv_697054daa5daforiginY = 0; const gdv_697054daa5dafminScale = 0.1; const gdv_697054daa5dafmaxScale = 5; let gdv_697054daa5dafcurrentImage = new Image();
let gdv_697054daa5dafrotationAngle = 0;
gdv_697054daa5dafrotateRightButton.addEventListener("click", function() { gdv_697054daa5dafrotationAngle = (gdv_697054daa5dafrotationAngle + 90) % 360; gdv_697054daa5dafdrawImage(); });
gdv_697054daa5dafrotateLeftButton.addEventListener("click", function() { gdv_697054daa5dafrotationAngle = (gdv_697054daa5dafrotationAngle - 90 + 360) % 360; gdv_697054daa5dafdrawImage(); });
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_697054daa5dafcurrentImage.src = gdv_697054daa5dafimageUrls[0]["url"]; gdv_697054daa5dafimageName.innerHTML = filtrerChaine(gdv_697054daa5dafimageUrls[0]["name"], "rien"); gdv_697054daa5dafcurrentImage.onload = function() {
gdv_697054daa5dafupdateSlideNumber(); gdv_697054daa5dafresizeCanvas(); gdv_697054daa5dafdrawImage(); document.getElementById("gdv_697054daa5dafcontrols").style.display = "block"; };
function gdv_697054daa5dafupdateSlideNumber() { gdv_697054daa5dafslideNumberDisplay.textContent = `${gdv_697054daa5dafcurrentSlideIndex + 1} / ${gdv_697054daa5dafimageUrls.length}`; }
gdv_697054daa5dafprevSlideButton.addEventListener("click", function() { if (gdv_697054daa5dafcurrentSlideIndex > 0) { gdv_697054daa5dafcurrentSlideIndex--; gdv_697054daa5dafloadImage(gdv_697054daa5dafcurrentSlideIndex); gdv_697054daa5dafupdateSlideNumber(); } });
gdv_697054daa5dafnextSlideButton.addEventListener("click", function() { if (gdv_697054daa5dafcurrentSlideIndex < gdv_697054daa5dafimageUrls.length - 1) { gdv_697054daa5dafcurrentSlideIndex++; gdv_697054daa5dafloadImage(gdv_697054daa5dafcurrentSlideIndex); gdv_697054daa5dafupdateSlideNumber(); } }); function gdv_697054daa5dafresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_697054daa5dafcanvasContainer"); gdv_697054daa5dafcanvas.width = container.clientWidth; gdv_697054daa5dafcanvas.height = container.clientHeight - 30; gdv_697054daa5daffitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_697054daa5dafdrawImage(); } window.addEventListener("load", gdv_697054daa5dafresizeCanvas); window.addEventListener("resize", gdv_697054daa5dafresizeCanvas); function gdv_697054daa5daffitImageToCanvas() { const canvasAspect = gdv_697054daa5dafcanvas.width / gdv_697054daa5dafcanvas.height; const imageAspect = gdv_697054daa5dafcurrentImage.width / gdv_697054daa5dafcurrentImage.height; if (imageAspect > canvasAspect) { gdv_697054daa5dafscale = gdv_697054daa5dafcanvas.width / gdv_697054daa5dafcurrentImage.width; } else { gdv_697054daa5dafscale = gdv_697054daa5dafcanvas.height / gdv_697054daa5dafcurrentImage.height; } gdv_697054daa5daforiginX = gdv_697054daa5dafcanvas.width / 2; gdv_697054daa5daforiginY = gdv_697054daa5dafcanvas.height / 2; }
function gdv_697054daa5dafdrawImage() { gdv_697054daa5dafctx.clearRect(0, 0, gdv_697054daa5dafcanvas.width, gdv_697054daa5dafcanvas.height); gdv_697054daa5dafctx.save(); gdv_697054daa5dafctx.translate(gdv_697054daa5daforiginX, gdv_697054daa5daforiginY); gdv_697054daa5dafctx.rotate((Math.PI / 180) * gdv_697054daa5dafrotationAngle); gdv_697054daa5dafctx.scale(gdv_697054daa5dafscale, gdv_697054daa5dafscale);
// Appliquer la luminosité et le contraste gdv_697054daa5dafctx.filter = `brightness(${gdv_697054daa5dafbrightnessInput.value}) contrast(${gdv_697054daa5dafcontrastInput.value})`; gdv_697054daa5dafctx.drawImage(gdv_697054daa5dafcurrentImage, -gdv_697054daa5dafcurrentImage.width/2, -gdv_697054daa5dafcurrentImage.height/2); gdv_697054daa5dafctx.restore(); }
// Ajouter les miniatures des images gdv_697054daa5dafimageUrls.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_697054daa5dafloadImage(index); gdv_697054daa5dafcurrentSlideIndex = index; gdv_697054daa5dafupdateSlideNumber(); }; slide.appendChild(img); gdv_697054daa5dafthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_697054daa5dafloadImage(index) { gdv_697054daa5dafcurrentImage.src = gdv_697054daa5dafimageUrls[index]["url"]; gdv_697054daa5dafimageName.innerHTML = filtrerChaine(gdv_697054daa5dafimageUrls[index]["name"], "rien"); gdv_697054daa5dafcurrentImage.onload = function() { gdv_697054daa5dafscale = 1; gdv_697054daa5daforiginX = 0; gdv_697054daa5daforiginY = 0; gdv_697054daa5daffitImageToCanvas(); gdv_697054daa5dafdrawImage(); };
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_697054daa5dafswiper = new Swiper(".gdv_697054daa5dafswiper-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_697054daa5dafswiper.on("slideChange", function () { // gdv_697054daa5dafcurrentSlideIndex = gdv_697054daa5dafswiper.activeIndex; // gdv_697054daa5dafupdateSlideNumber(); //});
// Plein écran gdv_697054daa5daffullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_697054daa5dafgd-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_697054daa5dafcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_697054daa5dafscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_697054daa5dafminScale, Math.min(gdv_697054daa5dafmaxScale, newScale)); const scaleRatio = newScale / gdv_697054daa5dafscale; gdv_697054daa5daforiginX = mouseX - (mouseX - gdv_697054daa5daforiginX) * scaleRatio; gdv_697054daa5daforiginY = mouseY - (mouseY - gdv_697054daa5daforiginY) * scaleRatio; gdv_697054daa5dafscale = newScale; gdv_697054daa5dafdrawImage(); }); // Gestion du déplacement (pan) let gdv_697054daa5dafisDragging = false; let gdv_697054daa5dafstartX, gdv_697054daa5dafstartY; gdv_697054daa5dafcanvas.addEventListener("mousedown", function(event) { gdv_697054daa5dafisDragging = true; gdv_697054daa5dafstartX = event.offsetX - gdv_697054daa5daforiginX; gdv_697054daa5dafstartY = event.offsetY - gdv_697054daa5daforiginY; gdv_697054daa5dafcanvas.style.cursor = "grabbing"; }); gdv_697054daa5dafcanvas.addEventListener("mousemove", function(event) { if (gdv_697054daa5dafisDragging) { gdv_697054daa5daforiginX = event.offsetX - gdv_697054daa5dafstartX; gdv_697054daa5daforiginY = event.offsetY - gdv_697054daa5dafstartY; gdv_697054daa5dafdrawImage(); } }); // Gestion des événements tactiles gdv_697054daa5dafcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_697054daa5dafisDragging = true; const touch = event.touches[0]; gdv_697054daa5dafstartX = touch.pageX - gdv_697054daa5daforiginX; gdv_697054daa5dafstartY = touch.pageY - gdv_697054daa5daforiginY; } }); gdv_697054daa5dafcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_697054daa5daforiginX = touch.pageX - gdv_697054daa5dafstartX; gdv_697054daa5daforiginY = touch.pageY - gdv_697054daa5dafstartY; gdv_697054daa5dafdrawImage(); }); gdv_697054daa5dafcanvas.addEventListener("touchend", function() { gdv_697054daa5dafisDragging = false; }); gdv_697054daa5dafcanvas.addEventListener("mouseup", function() { gdv_697054daa5dafisDragging = false; gdv_697054daa5dafcanvas.style.cursor = "grab"; }); gdv_697054daa5dafcanvas.addEventListener("mouseleave", function() { gdv_697054daa5dafisDragging = false; gdv_697054daa5dafcanvas.style.cursor = "grab"; }); gdv_697054daa5dafzoomInButton.addEventListener("click", function() { let newScale = gdv_697054daa5dafscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_697054daa5dafscale = Math.max(gdv_697054daa5dafminScale, Math.min(gdv_697054daa5dafmaxScale, newScale)); gdv_697054daa5dafdrawImage(); }); gdv_697054daa5dafzoomOutButton.addEventListener("click", function() { let newScale = gdv_697054daa5dafscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_697054daa5dafscale = Math.max(gdv_697054daa5dafminScale, Math.min(gdv_697054daa5dafmaxScale, newScale)); gdv_697054daa5dafdrawImage(); }); gdv_697054daa5dafresetZoomButton.addEventListener("click", function() { gdv_697054daa5dafrotationAngle = 0; gdv_697054daa5daffitImageToCanvas(); gdv_697054daa5dafdrawImage(); }); function gdv_697054daa5dafgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_697054daa5dafdownloadImage").addEventListener("click", function() { let url = gdv_697054daa5dafcurrentImage.src; const imageId = gdv_697054daa5dafgetImageIdFromUrl(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_697054daa5dafprintImageFromApi(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_697054daa5dafprintButton = document.getElementById("gdv_697054daa5dafprintCanvas");
gdv_697054daa5dafprintButton.addEventListener("click", function() { let url = gdv_697054daa5dafcurrentImage.src; const imageId = gdv_697054daa5dafgetImageIdFromUrl(url); gdv_697054daa5dafprintImageFromApi(imageId); });
let gdv_697054daa5dafinitialDistance = 0; let gdv_697054daa5dafinitialScale = 1;
gdv_697054daa5dafcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_697054daa5dafinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_697054daa5dafinitialScale = gdv_697054daa5dafscale; } });
gdv_697054daa5dafcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_697054daa5dafinitialDistance; let newScale = gdv_697054daa5dafinitialScale * scaleChange;
newScale = Math.max(gdv_697054daa5dafminScale, Math.min(gdv_697054daa5dafmaxScale, 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_697054daa5dafscale; gdv_697054daa5daforiginX = centerX - (centerX - gdv_697054daa5daforiginX) * scaleRatio; gdv_697054daa5daforiginY = centerY - (centerY - gdv_697054daa5daforiginY) * scaleRatio;
gdv_697054daa5dafscale = newScale; gdv_697054daa5dafdrawImage(); // 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); }