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const gdv_685e2227e394dcanvas = document.getElementById("gdv_685e2227e394dimageCanvas"); const gdv_685e2227e394dctx = gdv_685e2227e394dcanvas.getContext("2d");
const gdv_685e2227e394dthumbnailContainer = document.getElementById("gdv_685e2227e394dthumbnailContainer"); const gdv_685e2227e394dthumbnailContainerWrapper = document.getElementById("gdv_685e2227e394dthumbnailContainerWrapper"); const gdv_685e2227e394dzoomInButton = document.getElementById("gdv_685e2227e394dzoomIn"); const gdv_685e2227e394dzoomOutButton = document.getElementById("gdv_685e2227e394dzoomOut"); const gdv_685e2227e394dresetZoomButton = document.getElementById("gdv_685e2227e394dresetZoom");
const gdv_685e2227e394dbrightnessInput = document.getElementById("gdv_685e2227e394dbrightness"); const gdv_685e2227e394dcontrastInput = document.getElementById("gdv_685e2227e394dcontrast"); const gdv_685e2227e394dfullscreenButton = document.getElementById("gdv_685e2227e394dfullscreen");
const gdv_685e2227e394drotateRightButton = document.getElementById("gdv_685e2227e394drotateRight"); const gdv_685e2227e394drotateLeftButton = document.getElementById("gdv_685e2227e394drotateLeft");
const gdv_685e2227e394dprevSlideButton = document.getElementById("gdv_685e2227e394dprevSlide"); const gdv_685e2227e394dnextSlideButton = document.getElementById("gdv_685e2227e394dnextSlide"); const gdv_685e2227e394dslideNumberDisplay = document.getElementById("gdv_685e2227e394dslideNumber"); const gdv_685e2227e394dimageName = document.getElementById("gdv_685e2227e394dimageName");
let gdv_685e2227e394dcurrentSlideIndex = 0;
gdv_685e2227e394dbrightnessInput.addEventListener("input", gdv_685e2227e394ddrawImage); gdv_685e2227e394dcontrastInput.addEventListener("input", gdv_685e2227e394ddrawImage);
const gdv_685e2227e394dimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1dfbuPTOdmMnyRG-9Ze6ShpQndSJxiXGe&sz=w3000","name":"EPOL_ordre d'arrestation de Rollain, Cotelle et Esnault.jpg"}];
let gdv_685e2227e394dscale = 1; let gdv_685e2227e394doriginX = 0; let gdv_685e2227e394doriginY = 0; const gdv_685e2227e394dminScale = 0.1; const gdv_685e2227e394dmaxScale = 5; let gdv_685e2227e394dcurrentImage = new Image();
let gdv_685e2227e394drotationAngle = 0;
gdv_685e2227e394drotateRightButton.addEventListener("click", function() { gdv_685e2227e394drotationAngle = (gdv_685e2227e394drotationAngle + 90) % 360; gdv_685e2227e394ddrawImage(); });
gdv_685e2227e394drotateLeftButton.addEventListener("click", function() { gdv_685e2227e394drotationAngle = (gdv_685e2227e394drotationAngle - 90 + 360) % 360; gdv_685e2227e394ddrawImage(); });
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_685e2227e394dcurrentImage.src = gdv_685e2227e394dimageUrls[0]["url"]; gdv_685e2227e394dimageName.innerHTML = filtrerChaine(gdv_685e2227e394dimageUrls[0]["name"], "rien"); gdv_685e2227e394dcurrentImage.onload = function() {
gdv_685e2227e394dupdateSlideNumber(); gdv_685e2227e394dresizeCanvas(); gdv_685e2227e394ddrawImage(); document.getElementById("gdv_685e2227e394dcontrols").style.display = "block"; };
function gdv_685e2227e394dupdateSlideNumber() { gdv_685e2227e394dslideNumberDisplay.textContent = `${gdv_685e2227e394dcurrentSlideIndex + 1} / ${gdv_685e2227e394dimageUrls.length}`; }
gdv_685e2227e394dprevSlideButton.addEventListener("click", function() { if (gdv_685e2227e394dcurrentSlideIndex > 0) { gdv_685e2227e394dcurrentSlideIndex--; gdv_685e2227e394dloadImage(gdv_685e2227e394dcurrentSlideIndex); gdv_685e2227e394dupdateSlideNumber(); } });
gdv_685e2227e394dnextSlideButton.addEventListener("click", function() { if (gdv_685e2227e394dcurrentSlideIndex < gdv_685e2227e394dimageUrls.length - 1) { gdv_685e2227e394dcurrentSlideIndex++; gdv_685e2227e394dloadImage(gdv_685e2227e394dcurrentSlideIndex); gdv_685e2227e394dupdateSlideNumber(); } }); function gdv_685e2227e394dresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_685e2227e394dcanvasContainer"); gdv_685e2227e394dcanvas.width = container.clientWidth; gdv_685e2227e394dcanvas.height = container.clientHeight - 30; gdv_685e2227e394dfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_685e2227e394ddrawImage(); } window.addEventListener("load", gdv_685e2227e394dresizeCanvas); window.addEventListener("resize", gdv_685e2227e394dresizeCanvas); function gdv_685e2227e394dfitImageToCanvas() { const canvasAspect = gdv_685e2227e394dcanvas.width / gdv_685e2227e394dcanvas.height; const imageAspect = gdv_685e2227e394dcurrentImage.width / gdv_685e2227e394dcurrentImage.height; if (imageAspect > canvasAspect) { gdv_685e2227e394dscale = gdv_685e2227e394dcanvas.width / gdv_685e2227e394dcurrentImage.width; } else { gdv_685e2227e394dscale = gdv_685e2227e394dcanvas.height / gdv_685e2227e394dcurrentImage.height; } gdv_685e2227e394doriginX = gdv_685e2227e394dcanvas.width / 2; gdv_685e2227e394doriginY = gdv_685e2227e394dcanvas.height / 2; }
function gdv_685e2227e394ddrawImage() { gdv_685e2227e394dctx.clearRect(0, 0, gdv_685e2227e394dcanvas.width, gdv_685e2227e394dcanvas.height); gdv_685e2227e394dctx.save(); gdv_685e2227e394dctx.translate(gdv_685e2227e394doriginX, gdv_685e2227e394doriginY); gdv_685e2227e394dctx.rotate((Math.PI / 180) * gdv_685e2227e394drotationAngle); gdv_685e2227e394dctx.scale(gdv_685e2227e394dscale, gdv_685e2227e394dscale);
// Appliquer la luminosité et le contraste gdv_685e2227e394dctx.filter = `brightness(${gdv_685e2227e394dbrightnessInput.value}) contrast(${gdv_685e2227e394dcontrastInput.value})`; gdv_685e2227e394dctx.drawImage(gdv_685e2227e394dcurrentImage, -gdv_685e2227e394dcurrentImage.width/2, -gdv_685e2227e394dcurrentImage.height/2); gdv_685e2227e394dctx.restore(); }
// Ajouter les miniatures des images gdv_685e2227e394dimageUrls.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_685e2227e394dloadImage(index); gdv_685e2227e394dcurrentSlideIndex = index; gdv_685e2227e394dupdateSlideNumber(); }; slide.appendChild(img); gdv_685e2227e394dthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_685e2227e394dloadImage(index) { gdv_685e2227e394dcurrentImage.src = gdv_685e2227e394dimageUrls[index]["url"]; gdv_685e2227e394dimageName.innerHTML = filtrerChaine(gdv_685e2227e394dimageUrls[index]["name"], "rien"); gdv_685e2227e394dcurrentImage.onload = function() { gdv_685e2227e394dscale = 1; gdv_685e2227e394doriginX = 0; gdv_685e2227e394doriginY = 0; gdv_685e2227e394dfitImageToCanvas(); gdv_685e2227e394ddrawImage(); };
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_685e2227e394dswiper = new Swiper(".gdv_685e2227e394dswiper-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_685e2227e394dswiper.on("slideChange", function () { // gdv_685e2227e394dcurrentSlideIndex = gdv_685e2227e394dswiper.activeIndex; // gdv_685e2227e394dupdateSlideNumber(); //});
// Plein écran gdv_685e2227e394dfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_685e2227e394dgd-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_685e2227e394dcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_685e2227e394dscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_685e2227e394dminScale, Math.min(gdv_685e2227e394dmaxScale, newScale)); const scaleRatio = newScale / gdv_685e2227e394dscale; gdv_685e2227e394doriginX = mouseX - (mouseX - gdv_685e2227e394doriginX) * scaleRatio; gdv_685e2227e394doriginY = mouseY - (mouseY - gdv_685e2227e394doriginY) * scaleRatio; gdv_685e2227e394dscale = newScale; gdv_685e2227e394ddrawImage(); }); // Gestion du déplacement (pan) let gdv_685e2227e394disDragging = false; let gdv_685e2227e394dstartX, gdv_685e2227e394dstartY; gdv_685e2227e394dcanvas.addEventListener("mousedown", function(event) { gdv_685e2227e394disDragging = true; gdv_685e2227e394dstartX = event.offsetX - gdv_685e2227e394doriginX; gdv_685e2227e394dstartY = event.offsetY - gdv_685e2227e394doriginY; gdv_685e2227e394dcanvas.style.cursor = "grabbing"; }); gdv_685e2227e394dcanvas.addEventListener("mousemove", function(event) { if (gdv_685e2227e394disDragging) { gdv_685e2227e394doriginX = event.offsetX - gdv_685e2227e394dstartX; gdv_685e2227e394doriginY = event.offsetY - gdv_685e2227e394dstartY; gdv_685e2227e394ddrawImage(); } }); // Gestion des événements tactiles gdv_685e2227e394dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_685e2227e394disDragging = true; const touch = event.touches[0]; gdv_685e2227e394dstartX = touch.pageX - gdv_685e2227e394doriginX; gdv_685e2227e394dstartY = touch.pageY - gdv_685e2227e394doriginY; } }); gdv_685e2227e394dcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_685e2227e394doriginX = touch.pageX - gdv_685e2227e394dstartX; gdv_685e2227e394doriginY = touch.pageY - gdv_685e2227e394dstartY; gdv_685e2227e394ddrawImage(); }); gdv_685e2227e394dcanvas.addEventListener("touchend", function() { gdv_685e2227e394disDragging = false; }); gdv_685e2227e394dcanvas.addEventListener("mouseup", function() { gdv_685e2227e394disDragging = false; gdv_685e2227e394dcanvas.style.cursor = "grab"; }); gdv_685e2227e394dcanvas.addEventListener("mouseleave", function() { gdv_685e2227e394disDragging = false; gdv_685e2227e394dcanvas.style.cursor = "grab"; }); gdv_685e2227e394dzoomInButton.addEventListener("click", function() { let newScale = gdv_685e2227e394dscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_685e2227e394dscale = Math.max(gdv_685e2227e394dminScale, Math.min(gdv_685e2227e394dmaxScale, newScale)); gdv_685e2227e394ddrawImage(); }); gdv_685e2227e394dzoomOutButton.addEventListener("click", function() { let newScale = gdv_685e2227e394dscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_685e2227e394dscale = Math.max(gdv_685e2227e394dminScale, Math.min(gdv_685e2227e394dmaxScale, newScale)); gdv_685e2227e394ddrawImage(); }); gdv_685e2227e394dresetZoomButton.addEventListener("click", function() { gdv_685e2227e394drotationAngle = 0; gdv_685e2227e394dfitImageToCanvas(); gdv_685e2227e394ddrawImage(); }); function gdv_685e2227e394dgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_685e2227e394ddownloadImage").addEventListener("click", function() { let url = gdv_685e2227e394dcurrentImage.src; const imageId = gdv_685e2227e394dgetImageIdFromUrl(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_685e2227e394dprintImageFromApi(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_685e2227e394dprintButton = document.getElementById("gdv_685e2227e394dprintCanvas");
gdv_685e2227e394dprintButton.addEventListener("click", function() { let url = gdv_685e2227e394dcurrentImage.src; const imageId = gdv_685e2227e394dgetImageIdFromUrl(url); gdv_685e2227e394dprintImageFromApi(imageId); });
let gdv_685e2227e394dinitialDistance = 0; let gdv_685e2227e394dinitialScale = 1;
gdv_685e2227e394dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_685e2227e394dinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_685e2227e394dinitialScale = gdv_685e2227e394dscale; } });
gdv_685e2227e394dcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_685e2227e394dinitialDistance; let newScale = gdv_685e2227e394dinitialScale * scaleChange;
newScale = Math.max(gdv_685e2227e394dminScale, Math.min(gdv_685e2227e394dmaxScale, 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_685e2227e394dscale; gdv_685e2227e394doriginX = centerX - (centerX - gdv_685e2227e394doriginX) * scaleRatio; gdv_685e2227e394doriginY = centerY - (centerY - gdv_685e2227e394doriginY) * scaleRatio;
gdv_685e2227e394dscale = newScale; gdv_685e2227e394ddrawImage(); // 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); }