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const gdv_6a13c8904ccaacanvas = document.getElementById("gdv_6a13c8904ccaaimageCanvas"); const gdv_6a13c8904ccaactx = gdv_6a13c8904ccaacanvas.getContext("2d");
const gdv_6a13c8904ccaathumbnailContainer = document.getElementById("gdv_6a13c8904ccaathumbnailContainer"); const gdv_6a13c8904ccaathumbnailContainerWrapper = document.getElementById("gdv_6a13c8904ccaathumbnailContainerWrapper"); const gdv_6a13c8904ccaazoomInButton = document.getElementById("gdv_6a13c8904ccaazoomIn"); const gdv_6a13c8904ccaazoomOutButton = document.getElementById("gdv_6a13c8904ccaazoomOut"); const gdv_6a13c8904ccaaresetZoomButton = document.getElementById("gdv_6a13c8904ccaaresetZoom");
const gdv_6a13c8904ccaabrightnessInput = document.getElementById("gdv_6a13c8904ccaabrightness"); const gdv_6a13c8904ccaacontrastInput = document.getElementById("gdv_6a13c8904ccaacontrast"); const gdv_6a13c8904ccaafullscreenButton = document.getElementById("gdv_6a13c8904ccaafullscreen");
const gdv_6a13c8904ccaarotateRightButton = document.getElementById("gdv_6a13c8904ccaarotateRight"); const gdv_6a13c8904ccaarotateLeftButton = document.getElementById("gdv_6a13c8904ccaarotateLeft");
const gdv_6a13c8904ccaaprevSlideButton = document.getElementById("gdv_6a13c8904ccaaprevSlide"); const gdv_6a13c8904ccaanextSlideButton = document.getElementById("gdv_6a13c8904ccaanextSlide"); const gdv_6a13c8904ccaaslideNumberDisplay = document.getElementById("gdv_6a13c8904ccaaslideNumber"); const gdv_6a13c8904ccaaimageName = document.getElementById("gdv_6a13c8904ccaaimageName");
let gdv_6a13c8904ccaacurrentSlideIndex = 0;
gdv_6a13c8904ccaabrightnessInput.addEventListener("input", gdv_6a13c8904ccaadrawImage); gdv_6a13c8904ccaacontrastInput.addEventListener("input", gdv_6a13c8904ccaadrawImage);
const gdv_6a13c8904ccaaimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1P5x0OSJUNeZOnmcNmtqhKDj_5w2weNgG&sz=w3000","name":"EPOL_Ordre d'arrestation de plusieurs citoyens.jpg"}];
let gdv_6a13c8904ccaascale = 1; let gdv_6a13c8904ccaaoriginX = 0; let gdv_6a13c8904ccaaoriginY = 0; const gdv_6a13c8904ccaaminScale = 0.1; const gdv_6a13c8904ccaamaxScale = 5; let gdv_6a13c8904ccaacurrentImage = new Image();
let gdv_6a13c8904ccaarotationAngle = 0;
gdv_6a13c8904ccaarotateRightButton.addEventListener("click", function() { gdv_6a13c8904ccaarotationAngle = (gdv_6a13c8904ccaarotationAngle + 90) % 360; gdv_6a13c8904ccaadrawImage(); });
gdv_6a13c8904ccaarotateLeftButton.addEventListener("click", function() { gdv_6a13c8904ccaarotationAngle = (gdv_6a13c8904ccaarotationAngle - 90 + 360) % 360; gdv_6a13c8904ccaadrawImage(); });
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_6a13c8904ccaacurrentImage.src = gdv_6a13c8904ccaaimageUrls[0]["url"]; gdv_6a13c8904ccaaimageName.innerHTML = filtrerChaine(gdv_6a13c8904ccaaimageUrls[0]["name"], "rien"); gdv_6a13c8904ccaacurrentImage.onload = function() {
gdv_6a13c8904ccaaupdateSlideNumber(); gdv_6a13c8904ccaaresizeCanvas(); gdv_6a13c8904ccaadrawImage(); document.getElementById("gdv_6a13c8904ccaacontrols").style.display = "block"; };
function gdv_6a13c8904ccaaupdateSlideNumber() { gdv_6a13c8904ccaaslideNumberDisplay.textContent = `${gdv_6a13c8904ccaacurrentSlideIndex + 1} / ${gdv_6a13c8904ccaaimageUrls.length}`; }
gdv_6a13c8904ccaaprevSlideButton.addEventListener("click", function() { if (gdv_6a13c8904ccaacurrentSlideIndex > 0) { gdv_6a13c8904ccaacurrentSlideIndex--; gdv_6a13c8904ccaaloadImage(gdv_6a13c8904ccaacurrentSlideIndex); gdv_6a13c8904ccaaupdateSlideNumber(); } });
gdv_6a13c8904ccaanextSlideButton.addEventListener("click", function() { if (gdv_6a13c8904ccaacurrentSlideIndex < gdv_6a13c8904ccaaimageUrls.length - 1) { gdv_6a13c8904ccaacurrentSlideIndex++; gdv_6a13c8904ccaaloadImage(gdv_6a13c8904ccaacurrentSlideIndex); gdv_6a13c8904ccaaupdateSlideNumber(); } }); function gdv_6a13c8904ccaaresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_6a13c8904ccaacanvasContainer"); gdv_6a13c8904ccaacanvas.width = container.clientWidth; gdv_6a13c8904ccaacanvas.height = container.clientHeight - 30; gdv_6a13c8904ccaafitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_6a13c8904ccaadrawImage(); } window.addEventListener("load", gdv_6a13c8904ccaaresizeCanvas); window.addEventListener("resize", gdv_6a13c8904ccaaresizeCanvas); function gdv_6a13c8904ccaafitImageToCanvas() { const canvasAspect = gdv_6a13c8904ccaacanvas.width / gdv_6a13c8904ccaacanvas.height; const imageAspect = gdv_6a13c8904ccaacurrentImage.width / gdv_6a13c8904ccaacurrentImage.height; if (imageAspect > canvasAspect) { gdv_6a13c8904ccaascale = gdv_6a13c8904ccaacanvas.width / gdv_6a13c8904ccaacurrentImage.width; } else { gdv_6a13c8904ccaascale = gdv_6a13c8904ccaacanvas.height / gdv_6a13c8904ccaacurrentImage.height; } gdv_6a13c8904ccaaoriginX = gdv_6a13c8904ccaacanvas.width / 2; gdv_6a13c8904ccaaoriginY = gdv_6a13c8904ccaacanvas.height / 2; }
function gdv_6a13c8904ccaadrawImage() { gdv_6a13c8904ccaactx.clearRect(0, 0, gdv_6a13c8904ccaacanvas.width, gdv_6a13c8904ccaacanvas.height); gdv_6a13c8904ccaactx.save(); gdv_6a13c8904ccaactx.translate(gdv_6a13c8904ccaaoriginX, gdv_6a13c8904ccaaoriginY); gdv_6a13c8904ccaactx.rotate((Math.PI / 180) * gdv_6a13c8904ccaarotationAngle); gdv_6a13c8904ccaactx.scale(gdv_6a13c8904ccaascale, gdv_6a13c8904ccaascale);
// Appliquer la luminosité et le contraste gdv_6a13c8904ccaactx.filter = `brightness(${gdv_6a13c8904ccaabrightnessInput.value}) contrast(${gdv_6a13c8904ccaacontrastInput.value})`; gdv_6a13c8904ccaactx.drawImage(gdv_6a13c8904ccaacurrentImage, -gdv_6a13c8904ccaacurrentImage.width/2, -gdv_6a13c8904ccaacurrentImage.height/2); gdv_6a13c8904ccaactx.restore(); }
// Ajouter les miniatures des images gdv_6a13c8904ccaaimageUrls.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_6a13c8904ccaaloadImage(index); gdv_6a13c8904ccaacurrentSlideIndex = index; gdv_6a13c8904ccaaupdateSlideNumber(); }; slide.appendChild(img); gdv_6a13c8904ccaathumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_6a13c8904ccaaloadImage(index) { gdv_6a13c8904ccaacurrentImage.src = gdv_6a13c8904ccaaimageUrls[index]["url"]; gdv_6a13c8904ccaaimageName.innerHTML = filtrerChaine(gdv_6a13c8904ccaaimageUrls[index]["name"], "rien"); gdv_6a13c8904ccaacurrentImage.onload = function() { gdv_6a13c8904ccaascale = 1; gdv_6a13c8904ccaaoriginX = 0; gdv_6a13c8904ccaaoriginY = 0; gdv_6a13c8904ccaafitImageToCanvas(); gdv_6a13c8904ccaadrawImage(); };
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_6a13c8904ccaaswiper = new Swiper(".gdv_6a13c8904ccaaswiper-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_6a13c8904ccaaswiper.on("slideChange", function () { // gdv_6a13c8904ccaacurrentSlideIndex = gdv_6a13c8904ccaaswiper.activeIndex; // gdv_6a13c8904ccaaupdateSlideNumber(); //});
// Plein écran gdv_6a13c8904ccaafullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_6a13c8904ccaagd-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_6a13c8904ccaacanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_6a13c8904ccaascale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_6a13c8904ccaaminScale, Math.min(gdv_6a13c8904ccaamaxScale, newScale)); const scaleRatio = newScale / gdv_6a13c8904ccaascale; gdv_6a13c8904ccaaoriginX = mouseX - (mouseX - gdv_6a13c8904ccaaoriginX) * scaleRatio; gdv_6a13c8904ccaaoriginY = mouseY - (mouseY - gdv_6a13c8904ccaaoriginY) * scaleRatio; gdv_6a13c8904ccaascale = newScale; gdv_6a13c8904ccaadrawImage(); }); // Gestion du déplacement (pan) let gdv_6a13c8904ccaaisDragging = false; let gdv_6a13c8904ccaastartX, gdv_6a13c8904ccaastartY; gdv_6a13c8904ccaacanvas.addEventListener("mousedown", function(event) { gdv_6a13c8904ccaaisDragging = true; gdv_6a13c8904ccaastartX = event.offsetX - gdv_6a13c8904ccaaoriginX; gdv_6a13c8904ccaastartY = event.offsetY - gdv_6a13c8904ccaaoriginY; gdv_6a13c8904ccaacanvas.style.cursor = "grabbing"; }); gdv_6a13c8904ccaacanvas.addEventListener("mousemove", function(event) { if (gdv_6a13c8904ccaaisDragging) { gdv_6a13c8904ccaaoriginX = event.offsetX - gdv_6a13c8904ccaastartX; gdv_6a13c8904ccaaoriginY = event.offsetY - gdv_6a13c8904ccaastartY; gdv_6a13c8904ccaadrawImage(); } }); // Gestion des événements tactiles gdv_6a13c8904ccaacanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_6a13c8904ccaaisDragging = true; const touch = event.touches[0]; gdv_6a13c8904ccaastartX = touch.pageX - gdv_6a13c8904ccaaoriginX; gdv_6a13c8904ccaastartY = touch.pageY - gdv_6a13c8904ccaaoriginY; } }); gdv_6a13c8904ccaacanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_6a13c8904ccaaoriginX = touch.pageX - gdv_6a13c8904ccaastartX; gdv_6a13c8904ccaaoriginY = touch.pageY - gdv_6a13c8904ccaastartY; gdv_6a13c8904ccaadrawImage(); }); gdv_6a13c8904ccaacanvas.addEventListener("touchend", function() { gdv_6a13c8904ccaaisDragging = false; }); gdv_6a13c8904ccaacanvas.addEventListener("mouseup", function() { gdv_6a13c8904ccaaisDragging = false; gdv_6a13c8904ccaacanvas.style.cursor = "grab"; }); gdv_6a13c8904ccaacanvas.addEventListener("mouseleave", function() { gdv_6a13c8904ccaaisDragging = false; gdv_6a13c8904ccaacanvas.style.cursor = "grab"; }); gdv_6a13c8904ccaazoomInButton.addEventListener("click", function() { let newScale = gdv_6a13c8904ccaascale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_6a13c8904ccaascale = Math.max(gdv_6a13c8904ccaaminScale, Math.min(gdv_6a13c8904ccaamaxScale, newScale)); gdv_6a13c8904ccaadrawImage(); }); gdv_6a13c8904ccaazoomOutButton.addEventListener("click", function() { let newScale = gdv_6a13c8904ccaascale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_6a13c8904ccaascale = Math.max(gdv_6a13c8904ccaaminScale, Math.min(gdv_6a13c8904ccaamaxScale, newScale)); gdv_6a13c8904ccaadrawImage(); }); gdv_6a13c8904ccaaresetZoomButton.addEventListener("click", function() { gdv_6a13c8904ccaarotationAngle = 0; gdv_6a13c8904ccaafitImageToCanvas(); gdv_6a13c8904ccaadrawImage(); }); function gdv_6a13c8904ccaagetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_6a13c8904ccaadownloadImage").addEventListener("click", function() { let url = gdv_6a13c8904ccaacurrentImage.src; const imageId = gdv_6a13c8904ccaagetImageIdFromUrl(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_6a13c8904ccaaprintImageFromApi(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_6a13c8904ccaaprintButton = document.getElementById("gdv_6a13c8904ccaaprintCanvas");
gdv_6a13c8904ccaaprintButton.addEventListener("click", function() { let url = gdv_6a13c8904ccaacurrentImage.src; const imageId = gdv_6a13c8904ccaagetImageIdFromUrl(url); gdv_6a13c8904ccaaprintImageFromApi(imageId); });
let gdv_6a13c8904ccaainitialDistance = 0; let gdv_6a13c8904ccaainitialScale = 1;
gdv_6a13c8904ccaacanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_6a13c8904ccaainitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_6a13c8904ccaainitialScale = gdv_6a13c8904ccaascale; } });
gdv_6a13c8904ccaacanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_6a13c8904ccaainitialDistance; let newScale = gdv_6a13c8904ccaainitialScale * scaleChange;
newScale = Math.max(gdv_6a13c8904ccaaminScale, Math.min(gdv_6a13c8904ccaamaxScale, 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_6a13c8904ccaascale; gdv_6a13c8904ccaaoriginX = centerX - (centerX - gdv_6a13c8904ccaaoriginX) * scaleRatio; gdv_6a13c8904ccaaoriginY = centerY - (centerY - gdv_6a13c8904ccaaoriginY) * scaleRatio;
gdv_6a13c8904ccaascale = newScale; gdv_6a13c8904ccaadrawImage(); // 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); }