added more user control

This commit is contained in:
Kyle
2021-12-15 15:28:06 -08:00
parent 986cb1a181
commit 323ded6520
2 changed files with 186 additions and 88 deletions

View File

@@ -1,16 +1,22 @@
//Configure sizes
var ppi = 600;
var page = [8.5, 11];
var cardWidth = 2.5;
var cardHeight = 3.5;
var cardMarginX = parseInt(document.querySelector('#cardMargin').value) / ppi;
var cardMarginY = parseInt(document.querySelector('#cardMargin').value) / ppi;
//card size
var cardWidth = parseInt(document.querySelector("#cardWidth").value);
var cardHeight = parseInt(document.querySelector("#cardHeight").value);
//bleed edge
var cardPaddingX = parseInt(document.querySelector("#cardPadding").value);
var cardPaddingY = cardPaddingX;
//whitespace
var cardMarginX = parseInt(document.querySelector("#cardMargin").value);
var cardMarginY = cardMarginX;
//booleans
var imgIncludesBleedEdge = true;
var useCuttingAids = false;
//Prepare variables/canvas/context
var imageList = [];
var canvas = document.querySelector('canvas');
var context = canvas.getContext('2d');
var aidCanvas = document.createElement('canvas');
var aidContext = aidCanvas.getContext('2d');
drawSheet();
//svgs
var cuttingGuides = new Image();
@@ -23,59 +29,59 @@ function uploadCard(card, filename) {
img.filename = filename.replace('filename=', '');
img.src = card;
}
//buffer to avoid drawing the sheet *too* many times when uploading multiple images at the same time
var drawingSheet;
function drawSheet() {
clearTimeout(drawingSheet);
drawingSheet = setTimeout(drawSheetReal, 500);
}
function drawSheetReal() {
//Prepare canvases
canvas.width = page[0] * ppi;
canvas.height = page[1] * ppi;
context.clearRect(0, 0, page[0] * ppi, page[1] * ppi);
aidCanvas.width = canvas.width;
aidCanvas.height = canvas.height;
aidContext.clearRect(0, 0, page[0] * ppi, page[1] * ppi);
const cardsX = Math.floor(page[0] / cardWidth);
const cardsY = Math.floor(page[1] / cardHeight);
//Calc actual card size
const cw = cardWidth + 2 * cardPaddingX + cardMarginX;
const ch = cardHeight + 2 * cardPaddingY + cardMarginY;
//Calc number of cards that fit on the sheet
const cardsX = Math.floor(page[0] / (cw / ppi));
const cardsY = Math.floor(page[1] / (ch / ppi));
//Calc page margins
const pageMarginX = Math.floor((page[0] * ppi - cardsX * cw) / 2);
const pageMarginY = Math.floor((page[1] * ppi - cardsY * ch) / 2);
//Iterate through every viable space and draw the card there
var count = 0;
for (var i = imageList.length - 1; i >= 0 && count < cardsX * cardsY; i --) {
for (var i = imageList.length - 1; i >= 0 && count < cardsX * cardsY; i--) {
if (imageList[i].width > 1) {
const cardX = (page[0] - cardsX * cardWidth) / 2 + (count % cardsX) * (cardWidth + cardMarginX) - cardMarginX;
const cardY = (page[1] - cardsY * cardHeight) / 2 + (Math.floor(count / cardsX) % cardsY) * (cardHeight + cardMarginY) - cardMarginY;
try {
context.drawImage(imageList[i], cardX * ppi, cardY * ppi, cardWidth * ppi, cardHeight * ppi);
if (document.querySelector('#cuttingAids').checked) {
context.drawImage(cuttingGuides, cardX * ppi, cardY * ppi, cardWidth * ppi, cardHeight * ppi);
//Calc upper-left corner of card *image* (accounts for bleed edge and margins)
var x = pageMarginX + (count % cardsX) * (cw) + Math.floor(cardMarginX / 2) + cardPaddingX;
var y = pageMarginY + (Math.floor(count / cardsX) % cardsY) * (ch) + Math.floor(cardMarginY / 2) + cardPaddingY;
var w = cardWidth;
var h = cardHeight;
if (imgIncludesBleedEdge) {
context.drawImage(imageList[i], x - cardPaddingX, y - cardPaddingY, w + 2 * cardPaddingX, h + 2 * cardPaddingY);
} else {
context.fillRect(x - cardPaddingX, y - cardPaddingY, w + 2 * cardPaddingX, h + 2 * cardPaddingY);
context.drawImage(imageList[i], x, y, w, h);
}
if (document.querySelector('#cuttingAids').checked) {
aidContext.fillStyle = 'black';
aidContext.fillRect(Math.floor((cardX - cardMarginX / 2) * ppi + 2), Math.floor((cardY - cardMarginY / 2) * ppi + 2), Math.ceil((cardWidth + cardMarginX) * ppi - 4), Math.ceil((cardHeight + cardMarginY) * ppi - 4));
if ((Math.floor(count / cardsX) % cardsY) == 0) {
aidContext.clearRect((cardX - cardMarginX / 2) * ppi, (cardY - cardMarginY / 2) * ppi, (cardWidth + cardMarginX) * ppi, cardMarginY * ppi / 2);
} else if ((Math.floor(count / cardsX) % cardsY) == cardsY - 1) {
aidContext.clearRect((cardX - cardMarginX / 2) * ppi, (cardY + cardHeight) * ppi, (cardWidth + cardMarginX) * ppi, cardMarginY * ppi / 2);
}
if ((count % cardsX) == 0) {
aidContext.clearRect((cardX - cardMarginX / 2) * ppi, (cardY - cardMarginY / 2) * ppi, cardMarginX * ppi / 2, (cardHeight + cardMarginY) * ppi);
} else if ((count % cardsX) == cardsX - 1) {
aidContext.clearRect((cardX + cardWidth) * ppi, (cardY - cardMarginY / 2) * ppi, cardMarginX * ppi / 2, (cardHeight + cardMarginY) * ppi);
}
if (useCuttingAids) {
context.drawImage(cuttingGuides, x, y, w, h);
}
count ++;
} catch {
console.log('image failed.');
}
}
count ++;
}
if (document.querySelector('#cuttingAids').checked) {
context.globalCompositeOperation = 'destination-over';
context.drawImage(aidCanvas, 0, 0, aidCanvas.width, aidCanvas.height);
context.globalCompositeOperation = 'source-over';
}
}
async function downloadSheet() {
function downloadCanvas() {
var download = document.createElement('a');
download.download = 'print.png';
download.href = canvas.toDataURL();
document.body.appendChild(download);
await download.click();
download.click();
download.remove();
}
@@ -89,52 +95,132 @@ function downloadPDF() {
unit: 'in',
format: [page[0], page[1]]
});
const cardsX = Math.floor(page[0] / cardWidth);
const cardsY = Math.floor(page[1] / cardHeight);
//create a single black pixel for default padding
var defaultPadding = document.createElement("canvas");
defaultPadding.width = 1;
defaultPadding.height = 1;
var defaultPaddingContext = defaultPadding.getContext("2d");
defaultPaddingContext.fillRect(0, 0, 1, 1);
//Calc actual card size
const cw = cardWidth + 2 * cardPaddingX + cardMarginX;
const ch = cardHeight + 2 * cardPaddingY + cardMarginY;
//Calc number of cards that fit on the sheet
const cardsX = Math.floor(page[0] / (cw / ppi));
const cardsY = Math.floor(page[1] / (ch / ppi));
//Calc page margins
const pageMarginX = Math.floor((page[0] * ppi - cardsX * cw) / 2);
const pageMarginY = Math.floor((page[1] * ppi - cardsY * ch) / 2);
//Iterate through every viable space and draw the card there
var count = 0;
if (document.querySelector('#cuttingAids').checked) {
doc.addImage(aidCanvas, 'PNG', 0, 0, page[0], page[1]);
}
for (var i = imageList.length - 1; i >= 0 && count < cardsX * cardsY; i --) {
for (var i = imageList.length - 1; i >= 0 && count < cardsX * cardsY; i--) {
if (imageList[i].width > 1) {
const cardX = (page[0] - cardsX * cardWidth) / 2 + (count % cardsX) * (cardWidth + cardMarginX) - cardMarginX;
const cardY = (page[1] - cardsY * cardHeight) / 2 + (Math.floor(count / cardsX) % cardsY) * (cardHeight + cardMarginY) - cardMarginY;
console.log(`image: ${imageList[i].filename}, bounds: ${cardX}, ${cardY}, ${cardWidth}, ${cardHeight}`);
doc.addImage(imageList[i], 'PNG', cardX, cardY, cardWidth, cardHeight);
if (document.querySelector('#cuttingAids').checked) {
doc.addImage(cuttingGuides, 'PNG', cardX, cardY, cardWidth, cardHeight);
try {
//Calc upper-left corner of card *image* (accounts for bleed edge and margins)
var x = pageMarginX + (count % cardsX) * (cw) + Math.floor(cardMarginX / 2) + cardPaddingX;
var y = pageMarginY + (Math.floor(count / cardsX) % cardsY) * (ch) + Math.floor(cardMarginY / 2) + cardPaddingY;
var w = cardWidth;
var h = cardHeight;
if (imgIncludesBleedEdge) {
doc.addImage(imageList[i], "PNG", (x - cardPaddingX) / ppi, (y - cardPaddingY) / ppi, (w + 2 * cardPaddingX) / ppi, (h + 2 * cardPaddingY) / ppi);
} else {
doc.addImage(defaultPadding, "PNG", (x - cardPaddingX) / ppi, (y - cardPaddingY) / ppi, (w + 2 * cardPaddingX) / ppi, (h + 2 * cardPaddingY) / ppi);
doc.addImage(imageList[i], "PNG", x / ppi, y / ppi, w / ppi, h / ppi);
}
if (useCuttingAids) {
doc.addImage(cuttingGuides, "PNG", x / ppi, y / ppi, w / ppi, h / ppi);
}
count ++;
} catch {
console.log('image failed.');
}
}
count ++;
}
doc.save('print.pdf');
}
//Manages page
function setPageSize(size = [8.5, 11]) {
page[0] = parseFloat(size[0]);
page[1] = parseFloat(size[1]);
drawSheet();
}
function setCardSize(size = [2.5, 3.5]) {
cardWidth = parseFloat(size[0]);
cardHeight = parseFloat(size[1]);
drawSheet();
}
function setCardDistance(distance) {
cardMarginX = parseInt(distance) / ppi;
cardMarginY = parseInt(distance) / ppi;
drawSheet();
}
function changeOrientation() {
page = page.reverse();
setPageSize([page[1], page[0]]);
}
//Sets PPI, recalculates card measurements
function setPPI(inputPPI) {
var oldPPI = ppi;
ppi = parseInt(inputPPI);
var scale = ppi / oldPPI;
cardWidth *= scale;
cardHeight *= scale;
drawSheet();
}
//Sets specific card dimensions
function setCardSize(size) {
if (size) {
document.querySelector("#cardWidth").value = Math.round(size[0] * ppi);
document.querySelector("#cardHeight").value = Math.round(size[1] * ppi);
}
cardWidth = parseInt(document.querySelector("#cardWidth").value);
cardHeight = parseInt(document.querySelector("#cardHeight").value);
drawSheet();
}
function setPaddingSize(size) {
cardPaddingX = parseInt(size);
cardPaddingY = cardPaddingX;
drawSheet();
}
function setMarginSize(size) {
cardMarginX = parseInt(size);
cardMarginY = cardMarginX;
drawSheet();
}
//Sets booleans
function setBleedEdge(bool) {
imgIncludesBleedEdge = bool;
drawSheet();
}
function setCuttingAids(bool) {
useCuttingAids = bool;
drawSheet();
}
//Default print configurations
function saveDefaults() {
var cardObject = {
ppi:ppi,
page:page,
cardWidth:cardWidth,
cardHeight:cardHeight,
cardMarginX:cardMarginX,
cardMarginY:cardMarginY,
cardPaddingX:cardPaddingX,
cardPaddingY:cardPaddingY,
bleedEdge:imgIncludesBleedEdge,
cuttingAids:useCuttingAids
}
localStorage.setItem("cardPrintConfig", JSON.stringify(cardObject));
}
function loadDefaults() {
var cardObject = JSON.parse(localStorage.getItem("cardPrintConfig"))
if (cardObject && cardObject != {}) {
ppi = cardObject.ppi;
document.querySelector("#cardPPI").value = ppi;
page = cardObject.page;
cardWidth = cardObject.cardWidth;
document.querySelector("#cardWidth").value = cardWidth;
cardHeight = cardObject.cardHeight;
document.querySelector("#cardHeight").value = cardHeight;
cardMarginX = cardObject.cardMarginX;
cardMarginY = cardObject.cardMarginY;
document.querySelector("#cardMargin").value = cardMarginX;
cardPaddingX = cardObject.cardPaddingX;
cardPaddingY = cardObject.cardPaddingY;
document.querySelector("#cardPadding").value = cardPaddingX;
imgIncludesBleedEdge = cardObject.bleedEdge;
document.querySelector("#bleedEdgeCheckbox").checked = imgIncludesBleedEdge;
useCuttingAids = cardObject.cuttingAids;
document.querySelector("#cuttingAidsCheckbox").checked = useCuttingAids;
}
}
function setPPI(inputPPI) {
ppi = parseInt(inputPPI);
setPageSize([page[0], page[1]]);
setCardSize([cardWidth, cardHeight]);
}
loadDefaults();