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const gdv_687123065719dcanvas = document.getElementById("gdv_687123065719dimageCanvas"); const gdv_687123065719dctx = gdv_687123065719dcanvas.getContext("2d");
const gdv_687123065719dthumbnailContainer = document.getElementById("gdv_687123065719dthumbnailContainer"); const gdv_687123065719dthumbnailContainerWrapper = document.getElementById("gdv_687123065719dthumbnailContainerWrapper"); const gdv_687123065719dzoomInButton = document.getElementById("gdv_687123065719dzoomIn"); const gdv_687123065719dzoomOutButton = document.getElementById("gdv_687123065719dzoomOut"); const gdv_687123065719dresetZoomButton = document.getElementById("gdv_687123065719dresetZoom");
const gdv_687123065719dbrightnessInput = document.getElementById("gdv_687123065719dbrightness"); const gdv_687123065719dcontrastInput = document.getElementById("gdv_687123065719dcontrast"); const gdv_687123065719dfullscreenButton = document.getElementById("gdv_687123065719dfullscreen");
const gdv_687123065719drotateRightButton = document.getElementById("gdv_687123065719drotateRight"); const gdv_687123065719drotateLeftButton = document.getElementById("gdv_687123065719drotateLeft");
const gdv_687123065719dprevSlideButton = document.getElementById("gdv_687123065719dprevSlide"); const gdv_687123065719dnextSlideButton = document.getElementById("gdv_687123065719dnextSlide"); const gdv_687123065719dslideNumberDisplay = document.getElementById("gdv_687123065719dslideNumber"); const gdv_687123065719dimageName = document.getElementById("gdv_687123065719dimageName");
let gdv_687123065719dcurrentSlideIndex = 0;
gdv_687123065719dbrightnessInput.addEventListener("input", gdv_687123065719ddrawImage); gdv_687123065719dcontrastInput.addEventListener("input", gdv_687123065719ddrawImage);
const gdv_687123065719dimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1btv9X1oGl_lr0rVlt5J2znhhlWdAlSm6&sz=w3000","name":"EPOL_LFS_sur la loi relative aux personnes qui refusent de servir ou de remettre leurs armes.jpg"}];
let gdv_687123065719dscale = 1; let gdv_687123065719doriginX = 0; let gdv_687123065719doriginY = 0; const gdv_687123065719dminScale = 0.1; const gdv_687123065719dmaxScale = 5; let gdv_687123065719dcurrentImage = new Image();
let gdv_687123065719drotationAngle = 0;
gdv_687123065719drotateRightButton.addEventListener("click", function() { gdv_687123065719drotationAngle = (gdv_687123065719drotationAngle + 90) % 360; gdv_687123065719ddrawImage(); });
gdv_687123065719drotateLeftButton.addEventListener("click", function() { gdv_687123065719drotationAngle = (gdv_687123065719drotationAngle - 90 + 360) % 360; gdv_687123065719ddrawImage(); });
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_687123065719dcurrentImage.src = gdv_687123065719dimageUrls[0]["url"]; gdv_687123065719dimageName.innerHTML = filtrerChaine(gdv_687123065719dimageUrls[0]["name"], "rien"); gdv_687123065719dcurrentImage.onload = function() {
gdv_687123065719dupdateSlideNumber(); gdv_687123065719dresizeCanvas(); gdv_687123065719ddrawImage(); document.getElementById("gdv_687123065719dcontrols").style.display = "block"; };
function gdv_687123065719dupdateSlideNumber() { gdv_687123065719dslideNumberDisplay.textContent = `${gdv_687123065719dcurrentSlideIndex + 1} / ${gdv_687123065719dimageUrls.length}`; }
gdv_687123065719dprevSlideButton.addEventListener("click", function() { if (gdv_687123065719dcurrentSlideIndex > 0) { gdv_687123065719dcurrentSlideIndex--; gdv_687123065719dloadImage(gdv_687123065719dcurrentSlideIndex); gdv_687123065719dupdateSlideNumber(); } });
gdv_687123065719dnextSlideButton.addEventListener("click", function() { if (gdv_687123065719dcurrentSlideIndex < gdv_687123065719dimageUrls.length - 1) { gdv_687123065719dcurrentSlideIndex++; gdv_687123065719dloadImage(gdv_687123065719dcurrentSlideIndex); gdv_687123065719dupdateSlideNumber(); } }); function gdv_687123065719dresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_687123065719dcanvasContainer"); gdv_687123065719dcanvas.width = container.clientWidth; gdv_687123065719dcanvas.height = container.clientHeight - 30; gdv_687123065719dfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_687123065719ddrawImage(); } window.addEventListener("load", gdv_687123065719dresizeCanvas); window.addEventListener("resize", gdv_687123065719dresizeCanvas); function gdv_687123065719dfitImageToCanvas() { const canvasAspect = gdv_687123065719dcanvas.width / gdv_687123065719dcanvas.height; const imageAspect = gdv_687123065719dcurrentImage.width / gdv_687123065719dcurrentImage.height; if (imageAspect > canvasAspect) { gdv_687123065719dscale = gdv_687123065719dcanvas.width / gdv_687123065719dcurrentImage.width; } else { gdv_687123065719dscale = gdv_687123065719dcanvas.height / gdv_687123065719dcurrentImage.height; } gdv_687123065719doriginX = gdv_687123065719dcanvas.width / 2; gdv_687123065719doriginY = gdv_687123065719dcanvas.height / 2; }
function gdv_687123065719ddrawImage() { gdv_687123065719dctx.clearRect(0, 0, gdv_687123065719dcanvas.width, gdv_687123065719dcanvas.height); gdv_687123065719dctx.save(); gdv_687123065719dctx.translate(gdv_687123065719doriginX, gdv_687123065719doriginY); gdv_687123065719dctx.rotate((Math.PI / 180) * gdv_687123065719drotationAngle); gdv_687123065719dctx.scale(gdv_687123065719dscale, gdv_687123065719dscale);
// Appliquer la luminosité et le contraste gdv_687123065719dctx.filter = `brightness(${gdv_687123065719dbrightnessInput.value}) contrast(${gdv_687123065719dcontrastInput.value})`; gdv_687123065719dctx.drawImage(gdv_687123065719dcurrentImage, -gdv_687123065719dcurrentImage.width/2, -gdv_687123065719dcurrentImage.height/2); gdv_687123065719dctx.restore(); }
// Ajouter les miniatures des images gdv_687123065719dimageUrls.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_687123065719dloadImage(index); gdv_687123065719dcurrentSlideIndex = index; gdv_687123065719dupdateSlideNumber(); }; slide.appendChild(img); gdv_687123065719dthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_687123065719dloadImage(index) { gdv_687123065719dcurrentImage.src = gdv_687123065719dimageUrls[index]["url"]; gdv_687123065719dimageName.innerHTML = filtrerChaine(gdv_687123065719dimageUrls[index]["name"], "rien"); gdv_687123065719dcurrentImage.onload = function() { gdv_687123065719dscale = 1; gdv_687123065719doriginX = 0; gdv_687123065719doriginY = 0; gdv_687123065719dfitImageToCanvas(); gdv_687123065719ddrawImage(); };
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_687123065719dswiper = new Swiper(".gdv_687123065719dswiper-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_687123065719dswiper.on("slideChange", function () { // gdv_687123065719dcurrentSlideIndex = gdv_687123065719dswiper.activeIndex; // gdv_687123065719dupdateSlideNumber(); //});
// Plein écran gdv_687123065719dfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_687123065719dgd-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_687123065719dcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_687123065719dscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_687123065719dminScale, Math.min(gdv_687123065719dmaxScale, newScale)); const scaleRatio = newScale / gdv_687123065719dscale; gdv_687123065719doriginX = mouseX - (mouseX - gdv_687123065719doriginX) * scaleRatio; gdv_687123065719doriginY = mouseY - (mouseY - gdv_687123065719doriginY) * scaleRatio; gdv_687123065719dscale = newScale; gdv_687123065719ddrawImage(); }); // Gestion du déplacement (pan) let gdv_687123065719disDragging = false; let gdv_687123065719dstartX, gdv_687123065719dstartY; gdv_687123065719dcanvas.addEventListener("mousedown", function(event) { gdv_687123065719disDragging = true; gdv_687123065719dstartX = event.offsetX - gdv_687123065719doriginX; gdv_687123065719dstartY = event.offsetY - gdv_687123065719doriginY; gdv_687123065719dcanvas.style.cursor = "grabbing"; }); gdv_687123065719dcanvas.addEventListener("mousemove", function(event) { if (gdv_687123065719disDragging) { gdv_687123065719doriginX = event.offsetX - gdv_687123065719dstartX; gdv_687123065719doriginY = event.offsetY - gdv_687123065719dstartY; gdv_687123065719ddrawImage(); } }); // Gestion des événements tactiles gdv_687123065719dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_687123065719disDragging = true; const touch = event.touches[0]; gdv_687123065719dstartX = touch.pageX - gdv_687123065719doriginX; gdv_687123065719dstartY = touch.pageY - gdv_687123065719doriginY; } }); gdv_687123065719dcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_687123065719doriginX = touch.pageX - gdv_687123065719dstartX; gdv_687123065719doriginY = touch.pageY - gdv_687123065719dstartY; gdv_687123065719ddrawImage(); }); gdv_687123065719dcanvas.addEventListener("touchend", function() { gdv_687123065719disDragging = false; }); gdv_687123065719dcanvas.addEventListener("mouseup", function() { gdv_687123065719disDragging = false; gdv_687123065719dcanvas.style.cursor = "grab"; }); gdv_687123065719dcanvas.addEventListener("mouseleave", function() { gdv_687123065719disDragging = false; gdv_687123065719dcanvas.style.cursor = "grab"; }); gdv_687123065719dzoomInButton.addEventListener("click", function() { let newScale = gdv_687123065719dscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_687123065719dscale = Math.max(gdv_687123065719dminScale, Math.min(gdv_687123065719dmaxScale, newScale)); gdv_687123065719ddrawImage(); }); gdv_687123065719dzoomOutButton.addEventListener("click", function() { let newScale = gdv_687123065719dscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_687123065719dscale = Math.max(gdv_687123065719dminScale, Math.min(gdv_687123065719dmaxScale, newScale)); gdv_687123065719ddrawImage(); }); gdv_687123065719dresetZoomButton.addEventListener("click", function() { gdv_687123065719drotationAngle = 0; gdv_687123065719dfitImageToCanvas(); gdv_687123065719ddrawImage(); }); function gdv_687123065719dgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_687123065719ddownloadImage").addEventListener("click", function() { let url = gdv_687123065719dcurrentImage.src; const imageId = gdv_687123065719dgetImageIdFromUrl(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_687123065719dprintImageFromApi(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_687123065719dprintButton = document.getElementById("gdv_687123065719dprintCanvas");
gdv_687123065719dprintButton.addEventListener("click", function() { let url = gdv_687123065719dcurrentImage.src; const imageId = gdv_687123065719dgetImageIdFromUrl(url); gdv_687123065719dprintImageFromApi(imageId); });
let gdv_687123065719dinitialDistance = 0; let gdv_687123065719dinitialScale = 1;
gdv_687123065719dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_687123065719dinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_687123065719dinitialScale = gdv_687123065719dscale; } });
gdv_687123065719dcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_687123065719dinitialDistance; let newScale = gdv_687123065719dinitialScale * scaleChange;
newScale = Math.max(gdv_687123065719dminScale, Math.min(gdv_687123065719dmaxScale, 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_687123065719dscale; gdv_687123065719doriginX = centerX - (centerX - gdv_687123065719doriginX) * scaleRatio; gdv_687123065719doriginY = centerY - (centerY - gdv_687123065719doriginY) * scaleRatio;
gdv_687123065719dscale = newScale; gdv_687123065719ddrawImage(); // 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); }