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No commits in common. "release/1.0.0" and "1.0.0_RC1" have entirely different histories.

10 changed files with 451 additions and 1325 deletions

7
.gitignore vendored
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@ -1,9 +1,2 @@
# ESLINT report
eslint_report.html
# Demo sources
demos/src_highres
demos/src_lowres
# Local dev environment settings
.vscode

13
Pipfile
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@ -1,13 +0,0 @@
[[source]]
url = "https://pypi.org/simple"
verify_ssl = true
name = "pypi"
[packages]
[dev-packages]
black = "*"
prospector = {extras = ["with_mypy"], version = "*"}
[requires]
python_version = "3.11"

509
Pipfile.lock generated
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@ -1,509 +0,0 @@
{
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}
}

View File

@ -25,19 +25,16 @@ flowchart TB
```
Melpomene is mainly one JS file and one CSS file. You only need to include them in you web page. They are :
+ `melpomene.js`
+ `melpomene.css`
+ `melpomene.js`
+ `melpomene.css`
The JS files expect you to write some very specific HTML tags to be able to work.
To simplify things, you only need to copy-paste the content of `melpomene.html` into your own page and change a few things :
+ You must duplicate the `img` tag for each of you comic page and :
+ set `url` to the actual URL of your page
+ set `height` and `width` to the actual image sizes
+ set `data-zooms` with the zooms information, like so : `<zoom 1 width>, <zoom 1 height>, <zoom 1 x offset>, <zoom 1 y offset>; <zoom 2 width> ...`
+ example : `<img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P01.jpg" data-zooms="2481.0,1327.1057,0.0,0.0;593.15338,1076.4635,0.0,1364.053;890.72864,491.29874,830.81415,1751.5;2481.0,1078.4192,0.0,1364.053;562.77032,909.4470    2,102.48115,2491.6567;920.74463,909.44702,698.55927,2491.6567;728.776,909.44702,1652.3695,2491.6567"/>`
+ example : `<img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P01.jpg" data-zooms="2481.0,1327.1057,0.0,0.0;593.15338,1076.4635,0.0,1364.053;890.72864,491.29874,830.81415,1751.5;2481.0,1078.4192,0.0,1364.053;562.77032,909.44702,102.48115,2491.6567;920.74463,909.44702,698.55927,2491.6567;728.776,909.44702,1652.3695,2491.6567"/>`
Because doing this by hand would be very tedious, Melpomene comes with an helper script that allows generating that HTML for you from SVGs.
@ -48,7 +45,7 @@ The following limitations are known and will be improved upon :
+ Mobile support is currently limited
+ There are some performences issues
# How to use Melpomene ?
# How to setup Melpomene ?
## Defining the zooms
@ -58,21 +55,21 @@ To do so, you can use your favorite SVG editor. If you don't have one, [Inkscape
To create the zooms for a comic page, what you need to do is :
1. Open your comic page in your editor (make sure to keep the image's original size when importing!)
* If your software ask, there is no need to actually import the image, you only need to link it.
* If your software ask, there is no need to actually import the image, you only need to link it.
2. Create a simple rectangle over each zoom you want, in the order you want them to show up
* You can set the rectangle's color to be translucent so you can still see the page underneath them!
* If you want to change the zoom order, you can change their order in the layer view of your SVG tool if they support it
* You can set the rectangle's color to be translucent so you can still see the page underneath them!
* If you want to change the zoom order, you can change their order in the layer view of your SVG tool if they support it
3. Once you are done, save the SGV
## Generating the HTML files
Once the SVG for your pages are done, put them in one folder. Then, you can run the zoom generator.
You need to open a terminal and then run :
+ `python zooms_generator.py <path to the SVG folder> html -p <prefix of the img's url> -e <extension of the img's url>`
+ For example, if your comic pages are hosted at `static/comic/page_x.jpg`, the svg must be named `page_x.svg`
and you must run `python zooms_generator.py <path to the SVG folder> html -p /static/comic/ -e jpg`
and you must run `python zooms_generator.py <path to the SVG folder> html -p /static/comic/ -e jpg`
+ It will generate the following `img` tag : `<img loading="lazy" src="static/comic/page_x.jpg" data-zooms="..."/>`
The pages need to be in alphabetical order! It assumes the first page is page 1, the next one is page 2, etc..
@ -92,74 +89,6 @@ If you need to do some global scaling / offset of all zooms in HTML (if for exam
+ If they become greater than the page size, they get clamped to the page size and width / height get reduced to compensate
+ `data-global-zoom-scale="<float value>"` : scale all positions / sizes by this factor
# Developpement
## Setting up quality checking for JS
Regarding JS, quality checking is done using [eslint](https://eslint.org/).
The configuration file is `eslint/eslintrc.json`.
To setup eslint, you can either install it on your system reading it's documentation, or use the provided Dockerfile to run it. This requires [docker](https://www.docker.com/).
To do so, assuming you are using linux, after installing docker, you can run from this repository root:
+ `docker build -t melpomene-eslint eslint/`, once
+ `docker run -v .:/melpomene:rw -w /melpomene --user $(id -u):$(id -g) melpomene-eslint`, every time you want to run the analysis
You can now open `eslint_report.html` to see the result.
## Setting up quality checking for Python
Regarding Python, quality checking is done using [prospector](https://prospector.landscape.io/en/master/) using [mypy](https://mypy.readthedocs.io/en/stable/) as an additional checker.
Auto-formating is done using [Black](https://pypi.org/project/black/)
Dependencies are managed not using `pip` but [`pipenv`](https://pipenv.pypa.io/en/latest/).
To setup prospector, you need to run:
+ Only once, in melpomene's root folder:
+ Install pipenv: `pip install pipenv`
+ Install melpomene's root folder: `pipenv install --dev`
+ Every time to run the quality checking:
+ `pipenv shell`
+ `prospector -s veryhigh -w mypy --max-line-length 88 .`
+ `black .`
For VSCode users, you can run those automatically in your IDE. Here is what your .vscode/settings.json file should include :
```json
"files.exclude": {
"**/.git": true,
"**/.svn": true,
"**/.hg": true,
"**/CVS": true,
"**/.DS_Store": true,
"**/Thumbs.db": true,
"**/*.pyc": true,
"**/__pycache__": true
},
// Replace by your own venv python path
"python.defaultInterpreterPath": "~\\.virtualenvs\\melpomene-ajDJjHHp\\Scripts\\python.exe",
"python.formatting.provider": "black",
"[python]": {
"editor.formatOnType": true,
},
"python.linting.enabled": true,
"python.linting.prospectorEnabled": true,
"python.linting.prospectorArgs": [
"-s",
"veryhigh",
"-w",
"mypy",
"--max-line-length",
"88"
],
"editor.rulers": [
88
],
```
# Credits
Most examples and the documentation of Melpomene uses illustrations from David "Deevad" Revoy's "Pepper & Carrot" webcomic, which is published under CC-BY 4.0. Full licence [here](https://www.peppercarrot.com/en/license/index.html). 
Most examples and the documentation of Melpomene uses illustrations from David "Deevad" Revoy's "Pepper & Carrot" webcomic, which is published under CC-BY 4.0. Full licence [here](https://www.peppercarrot.com/en/license/index.html).

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@ -1,11 +0,0 @@
FROM debian:latest
RUN apt-get update && apt-get install -y --no-install-recommends npm
RUN npm install eslint --global
COPY eslintrc.json /eslintrc.json
WORKDIR melpomene
CMD ["eslint", "--no-eslintrc", "-c", "eslint/eslintrc.json", "-f", "html", "-o", "eslint_report.html", "melpomene.js"]

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@ -1,40 +0,0 @@
{
"env": {
"browser": true,
"es2021": true
},
"extends": [
"eslint:all"
],
"rules": {
"semi": "warn",
"spaced-comment": "warn",
"padded-blocks": ["warn", "never"],
"camelcase": "warn",
"multiline-comment-style": "off",
"max-len": "warn",
"prefer-template": "warn",
"object-curly-spacing" : ["warn", "always"],
"func-style": ["warn", "declaration"],
"key-spacing": "warn",
"one-var": ["warn", "never"],
"quotes": "warn",
"space-before-function-paren": ["warn", "never"],
"no-undefined": "off",
"strict": ["error", "global"],
"keyword-spacing": "warn",
"function-call-argument-newline": "warn",
"operator-assignment": "off",
"space-before-blocks": "warn",
"brace-style": ["warn", "allman", {"allowSingleLine": true}],
"function-call-argument-newline" : ["warn", "consistent"],
"function-paren-newline": ["warn", "consistent"],
"no-magic-numbers": ["error", {"ignore": [0,1,2,100]}],
"quote-props": ["warn", "as-needed"],
"no-unused-vars": ["error", {"argsIgnorePattern": "^_"}],
"max-len" : ["warn", {"code": 88}],
"capitalized-comments": "off",
"operator-linebreak": ["warn", "before"],
"max-lines": "off"
}
}

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@ -1,45 +0,0 @@
import re
from pathlib import Path
version = input("New version = ").strip()
js_file = Path("melpomene.js")
css_file = Path("melpomene.css")
js_css_match = r"(?<=/\* Version ).*(?= \*/)"
js_variable_match = r"(?<=const MELPOMENE_VERSION = \").*(?=\";)"
html_file = Path("melpomene.html")
demo_high_res_file = Path("demos/pepper_and_carrot_e35_highres.html")
demo_low_res_file = Path("demos/pepper_and_carrot_e35_lowres.html")
html_match = r"(?<=<!-- Version ).*(?= -->)"
zoom_generator_file = Path("zooms_generator.py")
zoom_generator_match = r"(?<=# Version ).*(?=$)"
def replace_version(version, file_path, matcher):
with open(file=file_path, mode="r", encoding="UTF8") as file:
file_data = file.read()
file_data = re.sub(matcher, version, file_data)
with open(file=file_path, mode="w", encoding="UTF8") as file:
file.write(file_data)
if re.match(r"[.a-zA-Z\ \-0-9]{1,30}", version):
replace_version(version, js_file, js_css_match)
replace_version(version, js_file, js_variable_match)
replace_version(version, css_file, js_css_match)
replace_version(version, html_file, html_match)
replace_version(version, demo_high_res_file, html_match)
replace_version(version, demo_low_res_file, html_match)
replace_version(version, zoom_generator_file, zoom_generator_match)
print("Done")
else:
print("Input is not valid : only use letters, numbers, spaces, dots and dashes")

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@ -31,11 +31,6 @@
background-color: black;
}
/* Reset images style to avoid external CSS interfering */
#melpomene img {
all: initial;
}
#melpomene-content-frame {
position: relative;
flex: 1;

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@ -2,504 +2,422 @@
/* Version 1.0.0_RC1 */
/* CC-BY-NC-SA : https://git.aribaud.net/caribaud/melpomene/ */
"use strict";
//============
// CONTROLS
//============
// ============
// CONTROLS
// ============
const MOVE_NEXT = "ArrowRight";
const MOVE_BACK = "ArrowLeft";
const TOGGLE_FULLSCREEN = "F";
const TOGGLE_PROGRESSBAR = "P";
const TOGGLE_VIEW_MODE = "V";
MOVE_NEXT = "ArrowRight"
MOVE_BACK = "ArrowLeft"
TOGGLE_FULLSCREEN = "F"
TOGGLE_PROGRESSBAR = "P"
TOGGLE_VIEW_MODE = "V"
// ========================
// NAVIGATION CONSTANTS
// ========================
//========================
// NAVIGATION CONSTANTS
//========================
const MOUSEWHELL_MIN_DELAY = 50;
const DELAY_BEFORE_HIDDING_CONTROLS = 4000;
PAGE_TRANSITION_SPEED = "1.5s"
MOUSEWHELL_MIN_DELAY = 50
DELAY_BEFORE_HIDDING_CONTROLS = 4000;
// ====================
// STATES CONSTANTS
// ====================
//====================
// STATES CONSTANTS
//====================
const MELPOMENE_VERSION = "1.0.0_UNSTABLE";
MELPOMENE_VERSION = "1.0.0_RC1"
const READER_FRAME = document.getElementById("melpomene");
const READER_CONTENT_FRAME = document.getElementById("melpomene-content-frame");
const READER_PAGES = document.getElementById("melpomene-pages");
const FOCUS_OVERLAY_HEIGHT = document.getElementById("melpomene-focus");
const FOCUS_OVERLAY_WIDTH = document.getElementById("melpomene-focus-col");
const HELP_CONTROLS = document.getElementById("melpomene-help-menu");
const PROGRESS_BAR_CONTAINER = document.getElementById("melpomene-progress-container");
const PROGRESS_BAR = document.getElementById("melpomene-progress-bar");
const PROGRESS_BAR_PAGES = document.getElementById("melpomene-progress-sections");
const VERSION_DISPLAY = document.getElementById("melpomene-version");
READER_FRAME = document.getElementById("melpomene")
READER_CONTENT_FRAME = document.getElementById("melpomene-content-frame")
READER_PAGES = document.getElementById("melpomene-pages")
FOCUS_OVERLAY_HEIGHT = document.getElementById("melpomene-focus")
FOCUS_OVERLAY_WIDTH = document.getElementById("melpomene-focus-col")
HELP_CONTROLS = document.getElementById("melpomene-help-menu")
PROGRESS_BAR_CONTAINER = document.getElementById("melpomene-progress-container")
PROGRESS_BAR = document.getElementById("melpomene-progress-bar")
PROGRESS_BAR_PAGES = document.getElementById("melpomene-progress-sections")
VERSION_DISPLAY = document.getElementById("melpomene-version")
// ====================
// INDEX CONSTANTS
// ====================
//===========================
// STATES GLOBAL VARIABLES
//===========================
const ZOOM_PAGE_INDEX = 0;
const ZOOM_WIDTH_INDEX = 1;
const ZOOM_HEIGHT_INDEX = 2;
const ZOOM_X_INDEX = 3;
const ZOOM_Y_INDEX = 4;
// ===========================
// STATES GLOBAL VARIABLES
// ===========================
let PAGES_ZOOMS;
// The variable ZOOMS can either be defined by another JS file or contructed at init
if (typeof PAGES_ZOOMS === "undefined")
{
PAGES_ZOOMS = null;
if (typeof PAGES_ZOOMS == 'undefined') {
PAGES_ZOOMS = null
}
let CURRENT_ZOOM = 0;
let CURRENT_PAGE = 1;
let CURRENT_WIDTH = 0;
let CURRENT_HEIGHT = 0;
let CURRENT_X = 0;
let CURRENT_Y = 0;
CURRENT_ZOOM = 0
CURRENT_PAGE = 1
CURRENT_WIDTH = 0
CURRENT_HEIGHT = 0
CURRENT_X = 0
CURRENT_Y = 0
let IS_PAGE_MODE = false;
let MOUSEWHELL_WAIT = false;
IS_PAGE_MODE = false
MOUSEWHELL_WAIT = false
// =============
// UTILITIES
// =============
// Dimensions utilites
// -------------------
function getPagesCount()
{
return READER_PAGES.childElementCount;
}
function pageOriginalHeight(pageNumber)
{
return READER_PAGES.children[pageNumber - 1].naturalHeight;
}
function pageOriginalWidth(pageNumber)
{
return READER_PAGES.children[pageNumber - 1].naturalWidth;
}
function readerFrameRatio()
{
return READER_CONTENT_FRAME.clientWidth / READER_CONTENT_FRAME.clientHeight;
}
function pageMaxHeight()
{
let maxHeight = 0;
for (let pageIdx = 0; pageIdx < READER_PAGES.children.length; pageIdx += 1)
{
if (READER_PAGES.children[pageIdx].naturalHeight > maxHeight)
{
maxHeight = READER_PAGES.children[pageIdx].naturalHeight;
}
}
return maxHeight;
}
function pageVerticalOffset(pageNumber)
{
return (pageMaxHeight() - pageOriginalHeight(pageNumber)) / 2;
}
function previousPagesWidth(pageNumber)
{
// The width of all previous pages relative to the provided index
let totalWidth = 0;
for (let idx = 0; idx < pageNumber - 1; idx += 1)
{
totalWidth += READER_PAGES.children[idx].naturalWidth;
}
return totalWidth;
}
// Zooms utilites
// --------------
function globalZoomScale()
{
if (READER_PAGES.dataset.globalZoomScale !== undefined)
{
return parseFloat(READER_PAGES.dataset.globalZoomScale);
function globalZoomScale(){
if (READER_PAGES.dataset.globalZoomScale != undefined){
return parseFloat(READER_PAGES.dataset.globalZoomScale)
}
return 1.0;
return 1.0
}
function globalZoomOffsetX()
{
if (READER_PAGES.dataset.globalZoomOffset !== undefined)
{
return parseFloat(READER_PAGES.dataset.globalZoomOffset.split(",")[0]);
function globalZoomOffsetX(){
if (READER_PAGES.dataset.globalZoomOffset != undefined){
return parseFloat(READER_PAGES.dataset.globalZoomOffset.split(',')[0])
}
return 0.0;
return 0.0
}
function globalZoomOffsetY()
{
if (READER_PAGES.dataset.globalZoomOffset !== undefined)
{
return parseFloat(READER_PAGES.dataset.globalZoomOffset.split(",")[1]);
function globalZoomOffsetY(){
if (READER_PAGES.dataset.globalZoomOffset != undefined){
return parseFloat(READER_PAGES.dataset.globalZoomOffset.split(',')[1])
}
return 0.0;
return 0.0
}
function loadZoomsFromImgTagsIfRequired()
{
function loadZoomsFromImgTagsIfRequired(){
// Zooms may be defined by another JS file
if (PAGES_ZOOMS === null)
{
PAGES_ZOOMS = [];
if (PAGES_ZOOMS == null){
PAGES_ZOOMS = []
// parse the data-zooms of each img and and the page number info
for (let idx = 0; idx < READER_PAGES.children.length; idx += 1)
{
const zoomsRawData = READER_PAGES.children[idx].dataset.zooms;
// ";" separates zooms data, "," separates values
for (var i = 0; i < READER_PAGES.children.length; i++) {
zooms_raw_data = READER_PAGES.children[i].dataset.zooms
// ';' separates zooms data, ',' separates values
// We add the page number (adding 1 because of indexing)
const zooms = zoomsRawData.split(";").map(
(zoom) => [idx + 1].concat(
zoom.split(",").map(
(value) => parseFloat(value)
zooms = zooms_raw_data.split(";").map(
zoom => [i + 1].concat(
zoom.split(',').map(
value => parseFloat(value)
)
)
);
)
PAGES_ZOOMS = PAGES_ZOOMS.concat(zooms)
}
}
}
PAGES_ZOOMS = PAGES_ZOOMS.concat(zooms);
function getFirstZoomOfPage(pageNumber){
for (var zoom_idx = 0; zoom_idx < PAGES_ZOOMS.length; zoom_idx++){
if (PAGES_ZOOMS[zoom_idx][0] == pageNumber) {
return zoom_idx
}
}
}
function getFirstZoomOfPage(pageNumber)
{
for (let zoomIdx = 0; zoomIdx < PAGES_ZOOMS.length; zoomIdx += 1)
{
if (PAGES_ZOOMS[zoomIdx][0] === pageNumber)
{
return zoomIdx;
function getLastZoomOfPage(pageNumber){
let res = null
for (var zoom_idx = 0; zoom_idx < PAGES_ZOOMS.length; zoom_idx++){
if (PAGES_ZOOMS[zoom_idx][0] == pageNumber) {
res = zoom_idx
}
if (res != null && PAGES_ZOOMS[zoom_idx][0] != pageNumber) {
break
}
}
return undefined;
return res
}
function getZoomCountForPage(pageNumber)
{
return PAGES_ZOOMS.filter((zoom) => zoom[0] === pageNumber).length;
function getZoomCountForPage(pageNumber) {
return PAGES_ZOOMS.filter(zoom => zoom[0] == pageNumber).length
}
function getCurrentZoomIndexForPage()
{
const previousZoomsCount = PAGES_ZOOMS.filter((zoom) => zoom[0] < CURRENT_PAGE).length;
return CURRENT_ZOOM - previousZoomsCount + 1;
function getCurrentZoomIndexForPage() {
previousZoomsCount = PAGES_ZOOMS.filter(zoom => zoom[0] < CURRENT_PAGE).length
return CURRENT_ZOOM - previousZoomsCount + 1
}
function getReadingProgressPercent()
{
const progressPerPage = 1 / getPagesCount();
if (IS_PAGE_MODE)
{
return 100 * progressPerPage * CURRENT_PAGE;
function getReadingProgressPercent() {
progressPerPage = 1 / getPagesCount()
if (IS_PAGE_MODE){
return 100 * progressPerPage * CURRENT_PAGE
}
const progressPerZoom = progressPerPage / getZoomCountForPage(CURRENT_PAGE);
let readingProgress = (CURRENT_PAGE - 1) * progressPerPage;
readingProgress += getCurrentZoomIndexForPage() * progressPerZoom;
return 100 * readingProgress;
progressPerZoom = progressPerPage / getZoomCountForPage(CURRENT_PAGE)
readingProgress = (CURRENT_PAGE - 1) * progressPerPage + getCurrentZoomIndexForPage() * progressPerZoom
return 100 * readingProgress
}
function updateProgressBar()
{
PROGRESS_BAR.style.width = `${getReadingProgressPercent()}%`;
function updateProgressBar(){
PROGRESS_BAR.style.width = getReadingProgressPercent() + "%"
}
// Dimensions utilites
// -------------------
function getPagesCount() {
return READER_PAGES.childElementCount
}
function pageOriginalHeight(pageNumber) {
return READER_PAGES.children[pageNumber - 1].height
}
function pageOriginalWidth(pageNumber) {
return READER_PAGES.children[pageNumber - 1].width
}
function readerFrameRatio() {
return READER_CONTENT_FRAME.clientWidth / READER_CONTENT_FRAME.clientHeight
}
function pageRatio(pageNumber) {
return READER_PAGES.children[pageNumber - 1].width / READER_PAGES.children[pageNumber - 1].height
}
function pageMaxHeight(){
let max_height = 0
for (var i = 0; i < READER_PAGES.children.length; i++) {
if(READER_PAGES.children[i].height > max_height){
max_height = READER_PAGES.children[i].height
}
}
return max_height
}
function pageVerticalOffset(pageNumber) {
return ( pageMaxHeight() - pageOriginalHeight(pageNumber) ) / 2
}
function previousPagesWidth(pageNumber) {
// The width of all previous pages relative to the provided index
let totalWidth = 0
for (let idx = 0; idx < pageNumber - 1; idx++){
totalWidth = totalWidth + READER_PAGES.children[idx].width
}
return totalWidth
}
// =========
// ACTIONS
// =========
function updateFocusByWidth(width)
{
FOCUS_OVERLAY_WIDTH.style.width = `${width / READER_CONTENT_FRAME.clientWidth * 100}%`;
FOCUS_OVERLAY_HEIGHT.style.height = "100%";
function initReader(){
loadZoomsFromImgTagsIfRequired()
moveReaderDisplayToZoom(0)
// Smoothly show pictures when they intersect with the viewport
let visibilityObserver = new IntersectionObserver((entries, observer) => {
entries.forEach((entry) => {
if (entry.isIntersecting) {
entry.target.style.opacity = 1
entry.target.style.visibility = "visible"
} else {
entry.target.style.opacity = 0
entry.target.style.visibility = "hidden"
}
});
}, { root: READER_CONTENT_FRAME, rootMargin: "-10px" });
for (var i = 0; i < READER_PAGES.children.length; i++) {
let img = READER_PAGES.children[i];
visibilityObserver.observe(img)
PROGRESS_BAR_PAGES.appendChild(document.createElement("div"))
}
READER_PAGES.style.display = "flex"
setTimeout(() => {
READER_PAGES.hidden = false
}, "300")
setTimeout(() => {
HELP_CONTROLS.style.opacity = null;
HELP_CONTROLS.style.transform = null;
}, DELAY_BEFORE_HIDDING_CONTROLS)
}
function updateFocusByHeight(height)
{
FOCUS_OVERLAY_WIDTH.style.width = "100%";
FOCUS_OVERLAY_HEIGHT.style.height = `${height / READER_CONTENT_FRAME.clientHeight * 100}%`;
}
function moveReaderDisplayToArea(pageNumber, oWidth, oHeight, oPosx, oPosy)
{
function moveReaderDisplayToArea(pageNumber, width, height, posx, posy){
// Keep original values for registering
let width = oWidth;
let height = oHeight;
let posx = oPosx;
let posy = oPosy;
o_width = width
o_height = height
o_posx = posx
o_posy = posy
// Apply global offsets before scales if we are displaying a zoom
// Pages display uses width & height = 0
if (width !== 0 || height !== 0)
{
width = width * globalZoomScale();
height = height * globalZoomScale();
posx = (posx + globalZoomOffsetX()) * globalZoomScale();
posy = (posy + globalZoomOffsetY()) * globalZoomScale();
if (width != 0 || height != 0){
width = width * globalZoomScale()
height = height * globalZoomScale()
posx = (posx + globalZoomOffsetX()) * globalZoomScale()
posy = (posy + globalZoomOffsetY()) * globalZoomScale()
}
// reduce width if offset sent us outside of page
if (posx < 0)
{
width = width + posx;
posx = 0;
if (posx < 0) {
width = width + posx
posx = 0
}
if (posx + width > pageOriginalWidth(pageNumber))
{
width = pageOriginalWidth(pageNumber) - posx;
if ((posx + width) > pageOriginalWidth(pageNumber)) {
width = pageOriginalWidth(pageNumber) - posx
}
// reduce height if offset sent us outside of page
if (posy < 0)
{
height = height + posy;
posy = 0;
if (posy < 0) {
height = height + posy
posy = 0
}
if (posy + height > pageOriginalHeight(pageNumber))
{
height = pageOriginalHeight(pageNumber) - posy;
if ((posy + height) > pageOriginalHeight(pageNumber)) {
height = pageOriginalHeight(pageNumber) - posy
}
// Align the top-left corner of the frame with the page
READER_PAGES.style.transform = `translate(-${previousPagesWidth(pageNumber)}px, -${pageVerticalOffset(pageNumber)}px)`;
READER_PAGES.style.transform = "translate(-" + previousPagesWidth(pageNumber) + "px, -" + pageVerticalOffset(pageNumber) + "px )"
// Then move so the top-left point of the zoom match the frame top-left
READER_PAGES.style.transform = `translate(${-posx}px, ${-posy}px) ${READER_PAGES.style.transform}`;
READER_PAGES.style.transform = "translate(" + (- posx) + "px, " + (-posy) + "px )" + READER_PAGES.style.transform
// Then, scale so the zoom would fit the frame, and center the zoom
if (width === 0)
{
width = pageOriginalWidth(pageNumber);
if (width == 0){
width = pageOriginalWidth(pageNumber)
}
if (height === 0)
{
height = pageOriginalHeight(pageNumber);
if (height == 0){
height = pageOriginalHeight(pageNumber)
}
const zoomRatio = width / height;
if (readerFrameRatio() > zoomRatio)
{
zoomRatio = width / height
if (readerFrameRatio() > zoomRatio) {
// Frame wider than zoom => scale so heights are the same, offset on x
const zoomToFrameScaleFactor = READER_CONTENT_FRAME.clientHeight / height;
READER_PAGES.style.transform = `scale(${zoomToFrameScaleFactor}) ${READER_PAGES.style.transform}`;
const scaledWidth = width * zoomToFrameScaleFactor;
const offset = (READER_CONTENT_FRAME.clientWidth - scaledWidth) / 2;
READER_PAGES.style.transform = `translateX(${offset}px) ${READER_PAGES.style.transform}`;
updateFocusByWidth(scaledWidth);
}
else
{
var zoomToFrameScaleFactor = READER_CONTENT_FRAME.clientHeight / height
READER_PAGES.style.transform = "scale(" + zoomToFrameScaleFactor + ")" + READER_PAGES.style.transform
var scaledWidth = width * zoomToFrameScaleFactor
var offset = (READER_CONTENT_FRAME.clientWidth - scaledWidth) / 2
READER_PAGES.style.transform = "translateX(" + offset + "px)" + READER_PAGES.style.transform
updateFocusByWidth(scaledWidth)
} else {
// Frame narower than zoom => scale so left/right match, offset on y
const zoomToFrameScaleFactor = READER_CONTENT_FRAME.clientWidth / width;
READER_PAGES.style.transform = `scale(${zoomToFrameScaleFactor}) ${READER_PAGES.style.transform}`;
const scaledHeight = height * zoomToFrameScaleFactor;
const offset = (READER_CONTENT_FRAME.clientHeight - scaledHeight) / 2;
READER_PAGES.style.transform = `translateY(${offset}px) ${READER_PAGES.style.transform}"`;
updateFocusByHeight(scaledHeight);
var zoomToFrameScaleFactor = READER_CONTENT_FRAME.clientWidth / width
READER_PAGES.style.transform = "scale(" + zoomToFrameScaleFactor + ")" + READER_PAGES.style.transform
var scaledHeight = height * zoomToFrameScaleFactor
var offset = (READER_CONTENT_FRAME.clientHeight - scaledHeight) / 2
READER_PAGES.style.transform = "translateY(" + offset + "px)" + READER_PAGES.style.transform
updateFocusByHeight(scaledHeight)
}
// Use values before global offset / scale
CURRENT_PAGE = pageNumber;
CURRENT_WIDTH = oWidth;
CURRENT_HEIGHT = oHeight;
CURRENT_X = oPosx;
CURRENT_Y = oPosy;
CURRENT_PAGE = pageNumber
CURRENT_WIDTH = o_width
CURRENT_HEIGHT = o_height
CURRENT_X = o_posx
CURRENT_Y = o_posy
}
function refreshReaderDisplay()
{
moveReaderDisplayToArea(
CURRENT_PAGE,
CURRENT_WIDTH,
CURRENT_HEIGHT,
CURRENT_X,
CURRENT_Y
);
function refreshReaderDisplay() {
moveReaderDisplayToArea(CURRENT_PAGE, CURRENT_WIDTH, CURRENT_HEIGHT, CURRENT_X, CURRENT_Y)
}
function moveReaderDisplayToPage(pageNumber)
{
moveReaderDisplayToArea(pageNumber, 0, 0, 0, 0);
function moveReaderDisplayToPage(pageNumber) {
moveReaderDisplayToArea(pageNumber, 0, 0, 0, 0)
}
function moveReaderDisplayToZoom(zoomIdx)
{
moveReaderDisplayToArea(
PAGES_ZOOMS[zoomIdx][ZOOM_PAGE_INDEX],
PAGES_ZOOMS[zoomIdx][ZOOM_WIDTH_INDEX],
PAGES_ZOOMS[zoomIdx][ZOOM_HEIGHT_INDEX],
PAGES_ZOOMS[zoomIdx][ZOOM_X_INDEX],
PAGES_ZOOMS[zoomIdx][ZOOM_Y_INDEX]
);
CURRENT_ZOOM = zoomIdx;
function moveReaderDisplayToZoom(index) {
moveReaderDisplayToArea(PAGES_ZOOMS[index][0], PAGES_ZOOMS[index][1], PAGES_ZOOMS[index][2], PAGES_ZOOMS[index][3], PAGES_ZOOMS[index][4])
CURRENT_ZOOM = index
}
function toggleViewMode()
{
if (IS_PAGE_MODE)
{
if (CURRENT_ZOOM === null)
{
moveReaderDisplayToZoom(getFirstZoomOfPage(CURRENT_PAGE));
function updateFocusByWidth(width){
FOCUS_OVERLAY_WIDTH.style.width = (width / READER_CONTENT_FRAME.clientWidth * 100) + "%"
FOCUS_OVERLAY_HEIGHT.style.height = "100%"
}
function updateFocusByHeight(height){
FOCUS_OVERLAY_WIDTH.style.width = "100%"
FOCUS_OVERLAY_HEIGHT.style.height = (height / READER_CONTENT_FRAME.clientHeight * 100) + "%"
}
function toggleViewMode() {
if (IS_PAGE_MODE){
if (CURRENT_ZOOM != null){
moveReaderDisplayToZoom(CURRENT_ZOOM)
} else {
moveReaderDisplayToZoom(getFirstZoomOfPage(CURRENT_PAGE))
}
else
{
moveReaderDisplayToZoom(CURRENT_ZOOM);
}
IS_PAGE_MODE = false;
IS_PAGE_MODE = false
} else {
moveReaderDisplayToPage(CURRENT_PAGE)
IS_PAGE_MODE = true
}
else
{
moveReaderDisplayToPage(CURRENT_PAGE);
IS_PAGE_MODE = true;
}
updateProgressBar();
updateProgressBar()
}
function moveReader(toNext)
{
if (IS_PAGE_MODE)
{
if (toNext && CURRENT_PAGE < getPagesCount())
{
moveReaderDisplayToPage(CURRENT_PAGE + 1);
CURRENT_ZOOM = null;
function moveReader(to_next) {
if (IS_PAGE_MODE){
if (to_next && CURRENT_PAGE < getPagesCount()) {
moveReaderDisplayToPage(CURRENT_PAGE + 1)
CURRENT_ZOOM = null
}
else if (!toNext && CURRENT_PAGE > 1)
{
moveReaderDisplayToPage(CURRENT_PAGE - 1);
CURRENT_ZOOM = null;
else if (!to_next && CURRENT_PAGE > 1) {
moveReaderDisplayToPage(CURRENT_PAGE - 1)
CURRENT_ZOOM = null
}
} else {
if (to_next && CURRENT_ZOOM < PAGES_ZOOMS.length - 1) {
moveReaderDisplayToZoom(CURRENT_ZOOM + 1)
}
else if (!to_next && CURRENT_ZOOM > 0) {
moveReaderDisplayToZoom(CURRENT_ZOOM - 1)
}
updateProgressBar();
}
// Zoom mode
else
{
if (toNext && CURRENT_ZOOM < PAGES_ZOOMS.length - 1)
{
moveReaderDisplayToZoom(CURRENT_ZOOM + 1);
}
else if (!toNext && CURRENT_ZOOM > 0)
{
moveReaderDisplayToZoom(CURRENT_ZOOM - 1);
}
updateProgressBar();
}
}
function initReader()
{
VERSION_DISPLAY.innerText = VERSION_DISPLAY.innerText.replace("Unknown version", MELPOMENE_VERSION);
loadZoomsFromImgTagsIfRequired();
moveReaderDisplayToZoom(0);
// Smoothly show pictures when they intersect with the viewport
const visibilityObserver = new IntersectionObserver(
(entries, _observer) =>
{
entries.forEach((entry) =>
{
if (entry.isIntersecting)
{
entry.target.style.opacity = 1;
entry.target.style.visibility = "visible";
}
else
{
entry.target.style.opacity = 0;
entry.target.style.visibility = "hidden";
}
});
},
{
root: READER_CONTENT_FRAME,
rootMargin: "-10px"
}
);
for (let pageIndex = 0; pageIndex < READER_PAGES.children.length; pageIndex += 1)
{
const img = READER_PAGES.children[pageIndex];
visibilityObserver.observe(img);
PROGRESS_BAR_PAGES.appendChild(document.createElement("div"));
}
READER_PAGES.style.display = "flex";
setTimeout(
() => { READER_PAGES.hidden = false; },
"300"
);
setTimeout(
() =>
{
HELP_CONTROLS.style.opacity = null;
HELP_CONTROLS.style.transform = null;
},
DELAY_BEFORE_HIDDING_CONTROLS
);
updateProgressBar()
}
@ -507,86 +425,57 @@ function initReader()
// CALLBACKS
// =============
function handleKeyPress(key)
{
if (key === MOVE_NEXT)
{
moveReader(true);
function handleKeyPress(key){
if (key == MOVE_NEXT) {
moveReader(true)
}
else if (key === MOVE_BACK)
{
moveReader(false);
else if (key == MOVE_BACK) {
moveReader(false)
}
else if (key.toUpperCase() === TOGGLE_FULLSCREEN)
{
if (document.fullscreenElement === null)
{
else if (key.toUpperCase() == TOGGLE_FULLSCREEN){
if (document.fullscreenElement == null){
READER_FRAME.requestFullscreen();
}
else
{
} else {
document.exitFullscreen();
}
}
else if (key.toUpperCase() === TOGGLE_PROGRESSBAR)
{
if (PROGRESS_BAR_CONTAINER.hidden === true)
{
PROGRESS_BAR_CONTAINER.hidden = false;
else if (key.toUpperCase() == TOGGLE_PROGRESSBAR){
if (PROGRESS_BAR_CONTAINER.hidden == true) {
PROGRESS_BAR_CONTAINER.hidden = false
} else {
PROGRESS_BAR_CONTAINER.hidden = true
}
else
{
PROGRESS_BAR_CONTAINER.hidden = true;
}
refreshReaderDisplay();
}
else if (key.toUpperCase() === TOGGLE_VIEW_MODE)
{
toggleViewMode();
else if (key.toUpperCase() == TOGGLE_VIEW_MODE) {
toggleViewMode()
}
}
function handleMouseWhell(event)
{
// Only handle scroll event if the target is the nav controls
// to avoid preventing page scrolling.
// Do disable page scrolling when we do prev/next, though
if (!READER_FRAME.contains(event.target))
{
return;
function handleMouseWhell(deltaY){
if (MOUSEWHELL_WAIT){
return
} else {
MOUSEWHELL_WAIT = true
setTimeout(() => {
MOUSEWHELL_WAIT = false
}, MOUSEWHELL_MIN_DELAY)
}
event.preventDefault();
event.stopPropagation();
if (MOUSEWHELL_WAIT)
{
return;
if (deltaY > 0) {
moveReader(true, false)
}
MOUSEWHELL_WAIT = true;
setTimeout(
() => { MOUSEWHELL_WAIT = false; },
MOUSEWHELL_MIN_DELAY
);
if (event.deltaY > 0)
{
moveReader(true, false);
}
else
{
moveReader(false, false);
else {
moveReader(false, false)
}
}
@ -594,26 +483,19 @@ function handleMouseWhell(event)
// INIT
// ======
window.addEventListener(
"load",
(_event) => { initReader(); }
);
window.addEventListener("load", (event) => {
VERSION_DISPLAY.innerText = VERSION_DISPLAY.innerText.replace("Unknown version", MELPOMENE_VERSION)
initReader()
});
addEventListener(
"resize",
(_event) => { refreshReaderDisplay(); }
);
addEventListener("resize", (event) => {
refreshReaderDisplay();
});
addEventListener(
"keydown",
(event) =>
{
handleKeyPress(event.key, event.shiftKey);
}
);
addEventListener("keydown", (event) => {
handleKeyPress(event.key, event.shiftKey)
});
addEventListener(
"wheel",
(event) => { handleMouseWhell(event); },
{ passive: false }
);
addEventListener("wheel", (event) => {
handleMouseWhell(event.deltaY)
});

View File

@ -3,10 +3,10 @@
# CC-BY-NC-SA https://git.aribaud.net/caribaud/melpomene/
import sys
from argparse import ArgumentParser
from xml.etree import ElementTree
from xml.etree.ElementTree import Element
from typing import Any
import re
import xml.etree.ElementTree as ET
import argparse
from pathlib import Path
@ -14,85 +14,60 @@ HTML_TEMPLATE = Path(__file__).parent / "melpomene.html"
HTML_TO_REPLACE = "<!-- your img tags here, see documentation -->"
def get_val_has_str(elem: Element, attrib: str, filepath: str | Path) -> str:
value = elem.get(attrib)
if value is None:
sys.exit(f"Attribute '{attrib}' is not valid in file {filepath}")
return str(value)
def extract_zooms(src_folder) -> dict[int, Any]:
def extract_zooms(src_folder):
folder = Path(src_folder)
pages_zooms: dict[int, Any] = {}
zooms = {}
max_width = 0
max_height = 0
idx = 0
for svg_path in folder.glob("*.svg"):
idx += 1
print(f"page {idx} : {svg_path.name}")
# Setting up default values
pages_zooms[idx] = {
zooms[idx] = {
"name": svg_path.stem,
"width": 0,
"height": 0,
"zooms": [],
}
tree = ElementTree.parse(svg_path)
tree = ET.parse(svg_path)
root = tree.getroot()
width = get_val_has_str(root, "width", svg_path)
height = get_val_has_str(root, "height", svg_path)
zooms[idx]["width"] = int(root.get("width"))
zooms[idx]["height"] = int(root.get("height"))
for area in root.findall('.//{*}rect'):
zooms[idx]["zooms"].append([
float(area.get("width")),
float(area.get("height")),
float(area.get("x")),
float(area.get("y")),
])
if "." in width:
print(
f"WARNING: file {svg_path} has a floating width, it will be rounded",
file=sys.stderr,
)
pages_zooms[idx]["width"] = round(float(width))
if "." in height:
print(
f"WARNING: file {svg_path} has a floating height, it will be rounded",
file=sys.stderr,
)
pages_zooms[idx]["height"] = round(float(height))
zooms = []
for area in root.findall(".//{*}rect"):
zooms.append(
[
float(get_val_has_str(area, "width", svg_path)),
float(get_val_has_str(area, "height", svg_path)),
float(get_val_has_str(area, "x", svg_path)),
float(get_val_has_str(area, "y", svg_path)),
]
)
pages_zooms[idx]["zooms"] = zooms
return pages_zooms
return zooms, max_width, max_height
def write_json_or_js(zooms, dest_file, is_js) -> None:
with open(dest_file, "w", encoding="UTF-8") as data_file:
def write_json_or_js(zooms, dest_file, is_js):
with open(dest_file, "w") as data_file:
if is_js:
data_file.write("PAGES_ZOOMS = ")
data_file.write("[\n")
first_coma_skiped = False
for page_idx in sorted(zooms.keys()):
for zoom in zooms[page_idx]["zooms"]:
if zoom[2] < 0 or zoom[3] < 0:
print(
f"WARNING: negative pos x / pos y in page {page_idx} for "
f"zoom {zoom} (is the rectangle flipped?)"
)
if zoom[2] < 0 or zoom[3] < 0 :
print(f"WARNING: negative pos x / pos y in page {page_idx} for zoom {zoom} (is the rectangle flipped?)")
if first_coma_skiped:
data_file.write(",\n")
else:
@ -101,99 +76,69 @@ def write_json_or_js(zooms, dest_file, is_js) -> None:
data_file.write("\n]\n")
def write_html(zooms, dest_file, prefix, extention) -> None:
def write_html(zooms, dest_file, pages_width, pages_height, prefix, extention):
img_tags = ""
for page_idx in sorted(zooms.keys()):
img_url = f"{prefix}{zooms[page_idx]['name']}.{extention}"
zoom_html_data = [
",".join([str(zoom) for zoom in page_zooms])
for page_zooms in zooms[page_idx]["zooms"]
]
zoom_html_str = ";".join(zoom_html_data)
img_tags = (
img_tags
+ " "
+ f'<img loading="lazy" height="{zooms[page_idx]["height"]}" '
+ f'width="{zooms[page_idx]["width"]}" src="{img_url}" '
+ f'data-zooms="{zoom_html_str}"/>\n'
)
zoom_html_data = [','.join([str(zoom) for zoom in page_zooms]) for page_zooms in zooms[page_idx]["zooms"]]
zoom_html_str = ';'.join(zoom_html_data)
img_tags = img_tags + f' <img loading="lazy" height="{zooms[page_idx]["height"]}" width="{zooms[page_idx]["width"]}" src="{img_url}" data-zooms="{zoom_html_str}"/>\n'
img_tags = img_tags.strip()
with open(HTML_TEMPLATE, "r", encoding="UTF-8") as template_file, open(
dest_file, "w", encoding="UTF-8"
) as data_file:
with open(HTML_TEMPLATE) as template_file, open(dest_file, "w") as data_file:
data = template_file.read().replace(HTML_TO_REPLACE, img_tags)
data_file.write(data)
def generate_argparse() -> ArgumentParser:
"""Generate Melpomene's generator input parser"""
parser = ArgumentParser(
description=(
"Helper that can generate JSON / JS / "
"HTML files for Melpomene webcomic reader"
)
)
parser.add_argument(
"output_format",
choices=["html", "json", "js"],
help="The type of output to generate",
def generate_argparse():
""" Generate Melpomene's generator input parser"""
parser = argparse.ArgumentParser(
description="Helper that can generate JSON / JS / HTML files for Melpomene webcomic reader"
)
parser.add_argument("output_format", choices=["html", "json", "js"], help="The type of output to generate")
parser.add_argument("svg_folders", help="Path of the folder containing the SVGs")
parser.add_argument(
"-o", metavar="dest_file", help="Where to write the generator output to"
)
parser.add_argument(
"-p",
default="",
metavar="img_url_prefix",
help="What to prefix the URL of the images when using HTML format.",
)
parser.add_argument(
"-e",
default="png",
metavar="img_ext",
help="What extention to use in the URL of the images when using HTML format.",
)
parser.add_argument("-o", metavar="dest_file", help="Where to write the generator output to")
parser.add_argument("-p", default="", metavar="img_url_prefix", help="What to prefix the URL of the images when using HTML format.")
parser.add_argument("-e", default="png", metavar="img_ext", help="What extention to use in the URL of the images when using HTML format.")
return parser
def run():
args = generate_argparse().parse_args()
if __name__ == "__main__":
args = generate_argparse().parse_args()
# Get the final outout name
output = None
if not args.o:
output = "melpomene_data"
else:
output = args.o
if args.output_format == "html" and not output.endswith(".html"):
output += ".html"
elif args.output_format == "json" and not output.endswith(".json"):
output += ".json"
elif args.output_format == "js" and not output.endswith(".js"):
output += ".js"
zooms = extract_zooms(args.svg_folders)
zooms, max_width, max_height = extract_zooms(args.svg_folders)
if args.output_format == "html":
write_html(zooms, output, args.p, args.e)
write_html(zooms, output, max_width, max_height, args.p, args.e)
elif args.output_format == "json":
write_json_or_js(zooms, output, False)
elif args.output_format == "js":
write_json_or_js(zooms, output, True)
if __name__ == "__main__":
run()