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5 Commits

Author SHA1 Message Date
zsviczian
4209774b4e 2.8.0-beta-2 2025-01-19 15:56:39 +01:00
zsviczian
b18637f7d0 pdf export fitToPage fix number of pages
Some checks are pending
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2025-01-19 08:35:01 +01:00
zsviczian
01e392158d fix png, jpg conversion and move from symbol to inline
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CodeQL / Analyze (javascript) (push) Waiting to run
2025-01-18 22:42:49 +01:00
zsviczian
fc47b7aa0d 2.8.0-beta-1, 0.17.6-27 2025-01-18 19:12:57 +01:00
zsviczian
a0e0627a49 Merge pull request #2219 from zsviczian/PDF-export
Pdf export
2025-01-18 18:59:50 +01:00
11 changed files with 295 additions and 239 deletions

View File

@@ -1,7 +1,7 @@
{
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"name": "Excalidraw",
"version": "2.7.6-beta-1",
"version": "2.8.0-beta-2",
"minAppVersion": "1.1.6",
"description": "An Obsidian plugin to edit and view Excalidraw drawings",
"author": "Zsolt Viczian",

169
package-lock.json generated
View File

@@ -12,7 +12,7 @@
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"integrity": "sha512-sKJf1+ceQBr4SMkvQnBDNDtf4TXpVhVGateu0t918bl30FnbE2m4vNLX+VWe/dpjlb+HugGYzW7uQXH98HPEYw==",
"devOptional": true,
"dev": true,
"engines": {
"node": ">=4"
}
@@ -5876,62 +5877,34 @@
}
},
"node_modules/jotai": {
"version": "1.13.1",
"resolved": "https://registry.npmjs.org/jotai/-/jotai-1.13.1.tgz",
"integrity": "sha512-RUmH1S4vLsG3V6fbGlKzGJnLrDcC/HNb5gH2AeA9DzuJknoVxSGvvg8OBB7lke+gDc4oXmdVsaKn/xDUhWZ0vw==",
"version": "2.11.0",
"resolved": "https://registry.npmjs.org/jotai/-/jotai-2.11.0.tgz",
"integrity": "sha512-zKfoBBD1uDw3rljwHkt0fWuja1B76R7CjznuBO+mSX6jpsO1EBeWNRKpeaQho9yPI/pvCv4recGfgOXGxwPZvQ==",
"engines": {
"node": ">=12.20.0"
},
"peerDependencies": {
"@babel/core": "*",
"@babel/template": "*",
"jotai-devtools": "*",
"jotai-immer": "*",
"jotai-optics": "*",
"jotai-redux": "*",
"jotai-tanstack-query": "*",
"jotai-urql": "*",
"jotai-valtio": "*",
"jotai-xstate": "*",
"jotai-zustand": "*",
"react": ">=16.8"
"@types/react": ">=17.0.0",
"react": ">=17.0.0"
},
"peerDependenciesMeta": {
"@babel/core": {
"@types/react": {
"optional": true
},
"@babel/template": {
"optional": true
},
"jotai-devtools": {
"optional": true
},
"jotai-immer": {
"optional": true
},
"jotai-optics": {
"optional": true
},
"jotai-redux": {
"optional": true
},
"jotai-tanstack-query": {
"optional": true
},
"jotai-urql": {
"optional": true
},
"jotai-valtio": {
"optional": true
},
"jotai-xstate": {
"optional": true
},
"jotai-zustand": {
"react": {
"optional": true
}
}
},
"node_modules/jotai-scope": {
"version": "0.7.2",
"resolved": "https://registry.npmjs.org/jotai-scope/-/jotai-scope-0.7.2.tgz",
"integrity": "sha512-Gwed97f3dDObrO43++2lRcgOqw4O2sdr4JCjP/7eHK1oPACDJ7xKHGScpJX9XaflU+KBHXF+VhwECnzcaQiShg==",
"peerDependencies": {
"jotai": ">=2.9.2",
"react": ">=17.0.0"
}
},
"node_modules/js-tokens": {
"version": "4.0.0",
"resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -5986,7 +5959,7 @@
"version": "2.2.3",
"resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
"integrity": "sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg==",
"devOptional": true,
"dev": true,
"bin": {
"json5": "lib/cli.js"
},
@@ -6155,7 +6128,7 @@
"version": "5.1.1",
"resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-5.1.1.tgz",
"integrity": "sha512-KpNARQA3Iwv+jTA0utUVVbrh+Jlrr1Fv0e56GGzAFOXN7dk/FviaDW8LHmK52DlcH4WP2n6gI8vN1aesBFgo9w==",
"devOptional": true,
"dev": true,
"dependencies": {
"yallist": "^3.0.2"
}
@@ -6869,7 +6842,7 @@
"version": "2.0.14",
"resolved": "https://registry.npmjs.org/node-releases/-/node-releases-2.0.14.tgz",
"integrity": "sha512-y10wOWt8yZpqXmOgRo77WaHEmhYQYGNA6y421PKsKYWEK8aW+cqAphborZDhqfyKrbZEN92CN1X2KbafY2s7Yw==",
"devOptional": true
"dev": true
},
"node_modules/non-layered-tidy-tree-layout": {
"version": "2.0.2",
@@ -7125,7 +7098,7 @@
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.1.tgz",
"integrity": "sha512-anP1Z8qwhkbmu7MFP5iTt+wQKXgwzf7zTyGlcdzabySa9vd0Xt392U0rVmz9poOaBj0uHJKyyo9/upk0HrEQew==",
"devOptional": true
"dev": true
},
"node_modules/picomatch": {
"version": "2.3.1",
@@ -8391,7 +8364,7 @@
"version": "6.3.1",
"resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
"integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
"devOptional": true,
"dev": true,
"bin": {
"semver": "bin/semver.js"
}
@@ -8653,7 +8626,7 @@
"version": "5.5.0",
"resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
"integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
"devOptional": true,
"dev": true,
"dependencies": {
"has-flag": "^3.0.0"
},
@@ -8764,7 +8737,7 @@
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
"integrity": "sha512-/OaKK0xYrs3DmxRYqL/yDc+FxFUVYhDlXMhRmv3z915w2HF1tnN1omB354j8VUGO/hbRzyD6Y3sA7v7GS/ceog==",
"devOptional": true,
"dev": true,
"engines": {
"node": ">=4"
}
@@ -9001,7 +8974,7 @@
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.1.0.tgz",
"integrity": "sha512-EdRAaAyk2cUE1wOf2DkEhzxqOQvFOoRJFNS6NeyJ01Gp2beMRpBAINjM2iDXE3KCuKhwnvHIQCJm6ThL2Z+HzQ==",
"devOptional": true,
"dev": true,
"funding": [
{
"type": "opencollective",
@@ -9362,7 +9335,7 @@
"version": "3.1.1",
"resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
"integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
"devOptional": true
"dev": true
},
"node_modules/yn": {
"version": "3.1.1",

View File

@@ -24,7 +24,7 @@
"license": "MIT",
"dependencies": {
"@popperjs/core": "^2.11.8",
"@zsviczian/excalidraw": "0.17.6-26",
"@zsviczian/excalidraw": "0.17.6-27",
"chroma-js": "^2.4.2",
"clsx": "^2.0.0",
"@zsviczian/colormaster": "^1.2.2",

View File

@@ -502,11 +502,12 @@ export const DEFAULT_SETTINGS: ExcalidrawSettings = {
pdfSettings: {
pageSize: "A4",
pageOrientation: "portrait",
fitToPage: true,
fitToPage: 1,
paperColor: "white",
customPaperColor: "#ffffff",
alignment: "center",
margin: "normal"
margin: "normal",
exportDPI: 300,
},
};

View File

@@ -1048,8 +1048,15 @@ FILENAME_HEAD: "Filename",
EXPORTDIALOG_PAGE_ORIENTATION: "Orientation",
EXPORTDIALOG_ORIENTATION_PORTRAIT: "Portrait",
EXPORTDIALOG_ORIENTATION_LANDSCAPE: "Landscape",
EXPORTDIALOG_PDF_DPI: "Image quality [DPI]",
EXPORTDIALOG_PDF_FIT_TO_PAGE: "Page Fitting",
EXPORTDIALOG_PDF_FIT_OPTION: "Fit to page",
EXPORTDIALOG_PDF_FIT_2_OPTION: "Fit to 2-pages",
EXPORTDIALOG_PDF_FIT_4_OPTION: "Fit to 4-pages",
EXPORTDIALOG_PDF_FIT_6_OPTION: "Fit to 6-pages",
EXPORTDIALOG_PDF_FIT_8_OPTION: "Fit to 8-pages",
EXPORTDIALOG_PDF_FIT_12_OPTION: "Fit to 12-pages",
EXPORTDIALOG_PDF_FIT_16_OPTION: "Fit to 16-pages",
EXPORTDIALOG_PDF_SCALE_OPTION: "Use image scale (may span multiple pages)",
EXPORTDIALOG_PDF_PAPER_COLOR: "Paper Color",
EXPORTDIALOG_PDF_PAPER_WHITE: "White",
@@ -1079,4 +1086,8 @@ FILENAME_HEAD: "Filename",
EXPORTDIALOG_SVGTOCLIPBOARD : "SVG to Clipboard",
EXPORTDIALOG_PDF: "Export PDF",
EXPORTDIALOG_PDFTOVAULT: "PDF to Vault",
EXPORTDIALOG_PDF_PROGRESS_NOTICE: "Exporting page",
EXPORTDIALOG_PDF_PROGRESS_IMAGE: "of image",
EXPORTDIALOG_PDF_PROGRESS_DONE: "Export complete",
};

View File

@@ -38,11 +38,12 @@ export class ExportDialog extends Modal {
private contentContainer: HTMLDivElement;
private buttonContainerRow1: HTMLDivElement;
private buttonContainerRow2: HTMLDivElement;
public fitToPage: boolean = true;
public fitToPage: number = 1;
public paperColor: "white" | "scene" | "custom" = "white";
public customPaperColor: string = "#ffffff";
public alignment: PDFPageAlignment = "center";
public margin: PDFPageMarginString = "normal";
public exportDPI: number = 300;
constructor(
private plugin: ExcalidrawPlugin,
@@ -68,6 +69,7 @@ export class ExportDialog extends Modal {
this.customPaperColor = plugin.settings.pdfSettings.customPaperColor;
this.alignment = plugin.settings.pdfSettings.alignment;
this.margin = plugin.settings.pdfSettings.margin;
this.exportDPI = plugin.settings.pdfSettings.exportDPI ?? 300;
this.saveSettings = false;
}
@@ -276,7 +278,8 @@ export class ExportDialog extends Modal {
paperColor: this.paperColor,
customPaperColor: this.customPaperColor,
alignment: this.alignment,
margin: this.margin
margin: this.margin,
exportDPI: this.exportDPI,
};
new PDFExportSettingsComponent(
@@ -290,6 +293,7 @@ export class ExportDialog extends Modal {
this.customPaperColor = pdfSettings.customPaperColor;
this.alignment = pdfSettings.alignment;
this.margin = pdfSettings.margin;
this.exportDPI = pdfSettings.exportDPI ?? 300;
}
).render();
}
@@ -378,7 +382,8 @@ export class ExportDialog extends Modal {
paperColor: this.paperColor,
customPaperColor: this.customPaperColor,
alignment: this.alignment,
margin: this.margin
margin: this.margin,
exportDPI: this.exportDPI,
};
await this.plugin.saveSettings();
new Notice(t("EXPORTDIALOG_SAVE_CONFIRMATION"));

View File

@@ -5,11 +5,12 @@ import { t } from "src/lang/helpers";
export interface PDFExportSettings {
pageSize: PageSize;
pageOrientation: PageOrientation;
fitToPage: boolean;
fitToPage: number;
paperColor: "white" | "scene" | "custom";
customPaperColor: string;
alignment: PDFPageAlignment;
margin: PDFPageMarginString;
exportDPI: number;
}
export class PDFExportSettingsComponent {
@@ -55,17 +56,42 @@ export class PDFExportSettingsComponent {
})
);
new Setting(this.contentEl)
.setName(t("EXPORTDIALOG_PDF_DPI"))
.addDropdown(dropdown =>
dropdown
.addOptions({
"150": "150",
"300": "300",
"600": "600",
"1200": "1200"
})
.setValue(`${this.settings.exportDPI}`)
.onChange(value => {
this.settings.exportDPI = parseInt(value);
this.update();
})
);
new Setting(this.contentEl)
.setName(t("EXPORTDIALOG_PDF_FIT_TO_PAGE"))
.addDropdown(dropdown =>
dropdown
.addOptions({
"scale": t("EXPORTDIALOG_PDF_SCALE_OPTION"),
"fit": t("EXPORTDIALOG_PDF_FIT_OPTION"),
"scale": t("EXPORTDIALOG_PDF_SCALE_OPTION")
"fit-2": t("EXPORTDIALOG_PDF_FIT_2_OPTION"),
"fit-4": t("EXPORTDIALOG_PDF_FIT_4_OPTION"),
"fit-6": t("EXPORTDIALOG_PDF_FIT_6_OPTION"),
"fit-8": t("EXPORTDIALOG_PDF_FIT_8_OPTION"),
"fit-12": t("EXPORTDIALOG_PDF_FIT_12_OPTION"),
"fit-16": t("EXPORTDIALOG_PDF_FIT_16_OPTION")
})
.setValue(this.settings.fitToPage ? "fit" : "scale")
.setValue(this.settings.fitToPage === 1 ? "fit" :
(typeof this.settings.fitToPage === "number" ? `fit-${this.settings.fitToPage}` : "scale"))
.onChange(value => {
this.settings.fitToPage = value === "fit";
this.settings.fitToPage = value === "scale" ? 0 :
(value === "fit" ? 1 : parseInt(value.split("-")[1]));
this.update();
})
);

View File

@@ -245,6 +245,7 @@ export const EXCALIDRAW_AUTOMATE_INFO: SuggesterInfo[] = [
"@property {string} [backgroundColor] - The background color of the PDF pages.\n" +
"@property {PDFMargin} margin - The margins of the PDF pages.\n" +
"@property {PDFPageAlignment} alignment - The alignment of the SVG on the PDF pages.\n" +
"@property {number} exportDPI - The DPI of the exported PDF (150/300/600/1200).\n" +
"\n" +
"@example\n" +
"const pdfData = await createPDF({\n" +
@@ -255,6 +256,7 @@ export const EXCALIDRAW_AUTOMATE_INFO: SuggesterInfo[] = [
" backgroundColor: \"#ffffff\",\n" +
" margin: { left: 20, right: 20, top: 20, bottom: 20 },\n" +
" alignment: \"center\"\n" +
" exportDPI: 300\n" +
" }\n" +
"});",
},

View File

@@ -955,25 +955,26 @@ export class ExcalidrawAutomate {
*
* @param {Object} params - The parameters for creating the PDF.
* @param {SVGSVGElement[]} params.SVG - An array of SVG elements to be included in the PDF.
* @param {PDFExportScale} [params.scale={ fitToPage: true, zoom: 1 }] - The scaling options for the SVG elements.
* @param {PDFExportScale} [params.scale={ fitToPage: 1, zoom: 1 }] - The scaling options for the SVG elements.
* @param {PDFPageProperties} [params.pageProps] - The properties for the PDF pages.
* @returns {Promise<ArrayBuffer>} - A promise that resolves to an ArrayBuffer containing the PDF data.
*
* @example
* const pdfData = await createToPDF({
* SVG: [svgElement1, svgElement2],
* scale: { fitToPage: true },
* scale: { fitToPage: 1 },
* pageProps: {
* dimensions: { width: 595.28, height: 841.89 },
* backgroundColor: "#ffffff",
* margin: { left: 20, right: 20, top: 20, bottom: 20 },
* alignment: "center"
* alignment: "center",
* exportDPI: 300,
* }
* });
*/
async createPDF({
SVG,
scale = { fitToPage: true, zoom: 1 },
scale = { fitToPage: 1, zoom: 1 },
pageProps,
}: {
SVG: SVGSVGElement[];
@@ -984,6 +985,7 @@ export class ExcalidrawAutomate {
pageProps = {
alignment: this.plugin.settings.pdfSettings.alignment,
margin: getMarginValue(this.plugin.settings.pdfSettings.margin),
exportDPI: this.plugin.settings.pdfSettings.exportDPI ?? 300,
};
}

View File

@@ -1,12 +1,16 @@
import { PDFDocument, rgb } from '@cantoo/pdf-lib';
import exp from 'constants';
import { Notice } from 'obsidian';
import { getEA } from 'src/core';
import { t } from 'src/lang/helpers';
const PDF_DPI = 72;
export type PDFPageAlignment = "center" | "top-left" | "top-center" | "top-right" | "bottom-left" | "bottom-center" | "bottom-right";
export type PDFPageMarginString = "none" | "tiny" | "normal";
export interface PDFExportScale {
fitToPage: boolean;
fitToPage: number; // 0 means use zoom, >1 means fit to that many pages exactly
zoom?: number;
}
@@ -22,6 +26,7 @@ export interface PDFPageProperties {
backgroundColor?: string;
margin: PDFMargin;
alignment: PDFPageAlignment;
exportDPI: number;
}
export interface PageDimensions {
@@ -80,28 +85,10 @@ function calculatePosition(
pageHeight: number,
margin: PDFMargin,
alignment: PDFPageAlignment,
scale: PDFExportScale
): {x: number, y: number} {
const availableWidth = pageWidth - margin.left - margin.right;
const availableHeight = pageHeight - margin.top - margin.bottom;
console.log(JSON.stringify({
message: 'PDF Position Debug',
input: {
svgWidth,
svgHeight,
pageWidth,
pageHeight,
margin,
alignment,
scale
},
calculated: {
availableWidth,
availableHeight
}
}));
let x = margin.left;
let y = margin.bottom;
@@ -121,52 +108,70 @@ function calculatePosition(
y = pageHeight - margin.top - svgHeight;
}
console.log(JSON.stringify({
message: 'PDF Position Intermediate',
x,
y,
alignment,
availableHeight,
marginTop: margin.top,
marginBottom: margin.bottom,
svgHeight,
pageHeight
}));
console.log(JSON.stringify({
message: 'PDF Position Result',
x,
y,
finalPosition: {
bottom: y,
top: y + svgHeight,
left: x,
right: x + svgWidth
}
}));
return {x, y};
}
function getNumberOfPages(
width: number,
height: number,
availableWidth: number,
availableHeight: number
): number {
const cols = Math.ceil(width / availableWidth);
const rows = Math.ceil(height / availableHeight);
return cols * rows;
}
function calculateDimensions(
svgWidth: number,
svgHeight: number,
pageDim: PageDimensions,
margin: PDFPageProperties['margin'],
scale: PDFExportScale,
alignment: PDFPageAlignment
alignment: PDFPageAlignment,
exportDPI: number,
): SVGDimensions[] {
const svg_to_pdf_scale = PDF_DPI / exportDPI;
const pdfWidth = svgWidth * svg_to_pdf_scale;
const pdfHeight = svgHeight * svg_to_pdf_scale;
const availableWidth = pageDim.width - margin.left - margin.right;
const availableHeight = pageDim.height - margin.top - margin.bottom;
let finalWidth: number;
let finalHeight: number;
// If fitToPage is specified, find optimal zoom using binary search
if (scale.fitToPage > 0) {
let low = 0;
let high = 100; // Start with a reasonable upper bound
let bestZoom = 1;
const tolerance = 0.000001;
if (scale.fitToPage) {
const ratio = Math.min(availableWidth / svgWidth, availableHeight / svgHeight);
finalWidth = svgWidth * ratio;
finalHeight = svgHeight * ratio;
while (high - low > tolerance) {
const mid = (low + high) / 2;
const scaledWidth = pdfWidth * mid;
const scaledHeight = pdfHeight * mid;
const pages = getNumberOfPages(scaledWidth, scaledHeight, availableWidth, availableHeight);
if (pages > scale.fitToPage) {
high = mid;
} else {
bestZoom = mid;
low = mid;
}
}
// Apply a small reduction to prevent floating-point issues
scale.zoom = Math.round(bestZoom * 0.99999 * 1000000) / 1000000;
}
// Now handle as regular scale mode
const finalWidth = Math.round(pdfWidth * (scale.zoom || 1) * 1000) / 1000;
const finalHeight = Math.round(pdfHeight * (scale.zoom || 1) * 1000) / 1000;
// Round the available dimensions as well for consistent comparison
const roundedAvailableWidth = Math.round(availableWidth * 1000) / 1000;
const roundedAvailableHeight = Math.round(availableHeight * 1000) / 1000;
if (finalWidth <= roundedAvailableWidth && finalHeight <= roundedAvailableHeight) {
// Content fits on one page
const position = calculatePosition(
finalWidth,
finalHeight,
@@ -174,9 +179,8 @@ function calculateDimensions(
pageDim.height,
margin,
alignment,
scale
);
return [{
width: finalWidth,
height: finalHeight,
@@ -184,57 +188,37 @@ function calculateDimensions(
y: position.y
}];
} else {
// Scale mode - may need multiple pages
finalWidth = svgWidth * (scale.zoom || 1);
finalHeight = svgHeight * (scale.zoom || 1);
// Content needs to be tiled across multiple pages
const dimensions: SVGDimensions[] = [];
// Calculate exact number of needed columns and rows
const cols = Math.ceil(finalWidth / roundedAvailableWidth);
const rows = Math.ceil(finalHeight / roundedAvailableHeight);
if (finalWidth <= availableWidth && finalHeight <= availableHeight) {
// Content fits on one page
const position = calculatePosition(
finalWidth,
finalHeight,
pageDim.width,
pageDim.height,
margin,
alignment,
scale
);
return [{
width: finalWidth,
height: finalHeight,
x: position.x,
y: position.y
}];
} else {
// Content needs to be tiled across multiple pages
const dimensions: SVGDimensions[] = [];
const cols = Math.ceil(finalWidth / availableWidth);
const rows = Math.ceil(finalHeight / availableHeight);
for (let row = 0; row < rows; row++) {
for (let col = 0; col < cols; col++) {
const tileWidth = Math.min(availableWidth, finalWidth - col * availableWidth);
const tileHeight = Math.min(availableHeight, finalHeight - row * availableHeight);
// Calculate y coordinate following the same logic as single-page rendering
// We start from the bottom margin and work our way up
//const y = margin.bottom + row * availableHeight;
for (let row = 0; row < rows; row++) {
for (let col = 0; col < cols; col++) {
// Calculate remaining width and height for this tile
const remainingWidth = finalWidth - col * roundedAvailableWidth;
const remainingHeight = finalHeight - row * roundedAvailableHeight;
// Only create tile if there's actual content to show
if (remainingWidth > 0 && remainingHeight > 0) {
const tileWidth = Math.min(roundedAvailableWidth, remainingWidth);
const tileHeight = Math.min(roundedAvailableHeight, remainingHeight);
dimensions.push({
width: tileWidth,
height: tileHeight,
x: margin.left,
y: margin.top,
sourceX: col * availableWidth / (scale.zoom || 1),
sourceY: row * availableHeight / (scale.zoom || 1),
sourceWidth: tileWidth / (scale.zoom || 1),
sourceHeight: tileHeight / (scale.zoom || 1)
sourceX: (col * roundedAvailableWidth) / ((scale.zoom || 1) * svg_to_pdf_scale),
sourceY: (row * roundedAvailableHeight) / ((scale.zoom || 1) * svg_to_pdf_scale),
sourceWidth: tileWidth / ((scale.zoom || 1) * svg_to_pdf_scale),
sourceHeight: tileHeight / ((scale.zoom || 1) * svg_to_pdf_scale)
});
}
}
return dimensions;
}
return dimensions;
}
}
@@ -243,12 +227,12 @@ async function addSVGToPage(
svg: SVGSVGElement,
dimensions: SVGDimensions,
pageDim: PageDimensions,
backgroundColor?: string
pageProps: PDFPageProperties
) {
const page = pdfDoc.addPage([pageDim.width, pageDim.height]);
if (backgroundColor && backgroundColor !== '#ffffff') {
const { r, g, b } = hexToRGB(backgroundColor);
if (pageProps.backgroundColor && pageProps.backgroundColor !== '#ffffff') {
const { r, g, b } = hexToRGB(pageProps.backgroundColor);
page.drawRectangle({
x: 0,
y: 0,
@@ -258,52 +242,88 @@ async function addSVGToPage(
});
}
// Clone and modify SVG for tiling if needed
let svgToEmbed = svg;
if (dimensions.sourceX !== undefined) {
svgToEmbed = svg.cloneNode(true) as SVGSVGElement;
const viewBox = `${dimensions.sourceX} ${dimensions.sourceY} ${dimensions.sourceWidth} ${dimensions.sourceHeight}`;
svgToEmbed.setAttribute('viewBox', viewBox);
svgToEmbed.setAttribute('width', String(dimensions.sourceWidth));
svgToEmbed.setAttribute('height', String(dimensions.sourceHeight));
}
const svgImage = await pdfDoc.embedSvg(svgToEmbed.outerHTML);
// Render SVG to canvas with specified DPI
const canvas = await renderSVGToCanvas(svg, dimensions, pageProps.exportDPI);
// Convert canvas to PNG
const pngData = canvas.toDataURL('image/png');
// Embed the PNG in the PDF
const image = await pdfDoc.embedPng(pngData);
console.log(JSON.stringify({message: "addSVGToPage", dimensions, html: svgToEmbed.outerHTML}));
// Adjust y-coordinate to account for PDF coordinate system
const adjustedY = pageDim.height - dimensions.y;
const adjustedY = pageDim.height - dimensions.y - dimensions.height;
page.drawSvg(svgImage, {
// Draw the image
page.drawImage(image, {
x: dimensions.x,
y: adjustedY,
width: dimensions.width,
height: dimensions.height,
});
console.log(JSON.stringify({
message: 'PDF Draw SVG',
x: dimensions.x,
y: adjustedY,
width: dimensions.width,
height: dimensions.height
}));
return page;
}
async function renderSVGToCanvas(
svg: SVGSVGElement,
dimensions: SVGDimensions,
exportDPI: number = 300,
): Promise<HTMLCanvasElement> {
const canvas = document.createElement('canvas');
const scale = exportDPI / PDF_DPI;
canvas.width = dimensions.width * scale;
canvas.height = dimensions.height * scale;
const ctx = canvas.getContext('2d');
if (!ctx) throw new Error('Failed to get canvas context');
let svgToRender = svg;
if (dimensions.sourceX !== undefined) {
svgToRender = svg.cloneNode(true) as SVGSVGElement;
const viewBox = `${dimensions.sourceX} ${dimensions.sourceY} ${dimensions.sourceWidth} ${dimensions.sourceHeight}`;
svgToRender.setAttribute('viewBox', viewBox);
svgToRender.setAttribute('width', String(dimensions.sourceWidth));
svgToRender.setAttribute('height', String(dimensions.sourceHeight));
}
const svgBlob = new Blob([svgToRender.outerHTML], { type: 'image/svg+xml;charset=utf-8' });
const blobUrl = URL.createObjectURL(svgBlob);
return new Promise((resolve, reject) => {
const img = new Image();
img.onload = () => {
ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
URL.revokeObjectURL(blobUrl);
resolve(canvas);
};
img.onerror = () => {
URL.revokeObjectURL(blobUrl);
reject(new Error('Failed to load SVG'));
};
img.src = blobUrl;
});
}
export async function exportToPDF({
SVG,
scale = { fitToPage: true, zoom: 1 },
scale = { fitToPage: 1, zoom: 1 },
pageProps,
}: {
SVG: SVGSVGElement[];
scale: PDFExportScale;
pageProps: PDFPageProperties;
}): Promise<ArrayBuffer> {
const pdfDoc = await PDFDocument.create();
const msg = t('EXPORTDIALOG_PDF_PROGRESS_NOTICE');
const imgmsg = t('EXPORTDIALOG_PDF_PROGRESS_IMAGE');
let notice = new Notice(msg, 0);
let j=1;
for (const svg of SVG) {
const svgWidth = parseFloat(svg.getAttribute('width') || '0');
const svgHeight = parseFloat(svg.getAttribute('height') || '0');
@@ -314,14 +334,30 @@ export async function exportToPDF({
pageProps.dimensions,
pageProps.margin,
scale,
pageProps.alignment
pageProps.alignment,
pageProps.exportDPI
);
let i=1;
for (const dim of dimensions) {
await addSVGToPage(pdfDoc, svg, dim, pageProps.dimensions, pageProps.backgroundColor);
//@ts-ignore
if(notice.containerEl.parentElement) {
notice.setMessage(`${msg} ${i++}/${dimensions.length}${SVG.length>1?` ${imgmsg} ${j}`:""}`);
} else {
notice = new Notice(`${msg} ${i++}/${dimensions.length}${SVG.length>1?` ${imgmsg} ${j}`:""}`, 0);
}
await addSVGToPage(pdfDoc, svg, dim, pageProps.dimensions, pageProps);
}
j++;
}
//@ts-ignore
if(notice.containerEl.parentElement) {
notice.setMessage(t('EXPORTDIALOG_PDF_PROGRESS_DONE'));
setTimeout(() => notice.hide(), 4000);
} else {
new Notice(t('EXPORTDIALOG_PDF_PROGRESS_DONE'));
}
return pdfDoc.save();
}

View File

@@ -589,16 +589,16 @@ export default class ExcalidrawView extends TextFileView implements HoverParent{
const pdfArrayBuffer = await exportToPDF({
SVG: [svg],
scale: {
...this.exportDialog.fitToPage
? { fitToPage: true }
: { zoom: this.exportDialog.scale, fitToPage: false },
scale: {
zoom: this.exportDialog.scale,
fitToPage: this.exportDialog.fitToPage
},
pageProps: {
dimensions: getPageDimensions(pageSize, orientation),
backgroundColor: this.exportDialog.getPaperColor(),
margin: getMarginValue(this.exportDialog.margin),
alignment: this.exportDialog.alignment,
exportDPI: this.exportDialog.exportDPI,
}
});