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fixes from review of drawerbase.js

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This commit is contained in:
Tom 2023-12-14 19:14:05 -05:00
parent 2d8c6fe4c3
commit 3f7e7141b9
39 changed files with 61 additions and 120 deletions
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2
LICENSE.txt
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@ -1,5 +1,5 @@
Copyright (C) 2009 CodePlex Foundation
Copyright (C) 2010-2023 OpenSeadragon contributors
Copyright (C) 2010-2024 OpenSeadragon contributors
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

2
src/button.js
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@ -2,7 +2,7 @@
* OpenSeadragon - Button
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/buttongroup.js
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@ -2,7 +2,7 @@
* OpenSeadragon - ButtonGroup
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

21
src/canvasdrawer.js
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@ -2,7 +2,7 @@
* OpenSeadragon - CanvasDrawer
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2022 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
@ -347,7 +347,7 @@ class CanvasDrawer extends $.DrawerBase{
var point = tiledImage
.imageToViewportCoordinates(coord.x, coord.y, true)
.rotate(-tiledImage.getRotation(true), tiledImage._getRotationPoint(true));
var clipPoint = self._viewportCoordToDrawerCoord(point);
var clipPoint = self.viewportCoordToDrawerCoord(point);
if (sketchScale) {
clipPoint = clipPoint.times(sketchScale);
}
@ -500,23 +500,6 @@ class CanvasDrawer extends $.DrawerBase{
}
}
/**
* This function converts the given point from to the drawer coordinate by
* multiplying it with the pixel density.
* This function does not take rotation into account, thus assuming provided
* point is at 0 degree.
* @private
* @param {OpenSeadragon.Point} point - the pixel point to convert
* @returns {OpenSeadragon.Point} Point in drawer coordinate system.
*/
_viewportCoordToDrawerCoord(point) {
var vpPoint = this.viewport.pixelFromPointNoRotate(point, true);
return new $.Point(
vpPoint.x * $.pixelDensityRatio,
vpPoint.y * $.pixelDensityRatio
);
}
/**
* Draws special debug information for a TiledImage if in debug mode.
* @private

2
src/control.js
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@ -2,7 +2,7 @@
* OpenSeadragon - Control
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/controldock.js
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@ -2,7 +2,7 @@
* OpenSeadragon - ControlDock
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/displayrectangle.js
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@ -2,7 +2,7 @@
* OpenSeadragon - DisplayRect
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

49
src/drawerbase.js
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@ -2,7 +2,7 @@
* OpenSeadragon - DrawerBase
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
@ -34,16 +34,6 @@
(function( $ ){
$.DrawerOptions = class DrawerOptions{
constructor(options){}
};
/**
* @typedef {Object} Point
* @property {number} x
* @property {number} y
*/
/**
* @class DrawerBase
* @memberof OpenSeadragon
@ -90,16 +80,14 @@ $.DrawerBase = class DrawerBase{
*/
this.container = $.getElement( options.element );
// We force our container to ltr because our drawing math doesn't work in rtl.
// This issue only affects our canvas renderer, but we do it always for consistency.
// Note that this means overlays you want to be rtl need to be explicitly set to rtl.
this.container.dir = 'ltr';
this._renderingTarget = this._createDrawingElement();
// the first time this.canvas is accessed, implementations will create it
this.canvas.style.width = "100%";
this.canvas.style.height = "100%";
this.canvas.style.position = "absolute";
$.setElementOpacity( this.canvas, this.viewer.opacity, true ); // set
this.canvas.style.left = "0";
$.setElementOpacity( this.canvas, this.viewer.opacity, true );
// Allow pointer events to pass through the canvas element so implicit
// pointer capture works on touch devices
@ -113,10 +101,8 @@ $.DrawerBase = class DrawerBase{
this._checkForAPIOverrides();
}
// protect the canvas member with a getter
get canvas(){
if(!this._renderingTarget){
this._renderingTarget = this._createDrawingElement();
}
return this._renderingTarget;
}
get element(){
@ -125,9 +111,10 @@ $.DrawerBase = class DrawerBase{
}
/**
* @property {String|undefined} type What type of drawer this is. Implementations should override this property.
* @returns {String|undefined} What type of drawer this is.
*/
getType(){
$.console.error('Drawer.getType must be implemented by child class');
return undefined;
}
@ -206,26 +193,25 @@ $.DrawerBase = class DrawerBase{
/**
* @private
* @inner
* Ensures that child classes have provided implementations for public API methods
* draw, canRotate, destroy, and setImageSmoothinEnabled. Throws an exception if the original
* placeholder methods are still in place.
*/
_checkForAPIOverrides(){
if(this._createDrawingElement === $.DrawerBase.prototype._createDrawingElement){
throw("[drawer]._createDrawingElement must be implemented by child class");
throw(new Error("[drawer]._createDrawingElement must be implemented by child class"));
}
if(this.draw === $.DrawerBase.prototype.draw){
throw("[drawer].draw must be implemented by child class");
throw(new Error("[drawer].draw must be implemented by child class"));
}
if(this.canRotate === $.DrawerBase.prototype.canRotate){
throw("[drawer].canRotate must be implemented by child class");
throw(new Error("[drawer].canRotate must be implemented by child class"));
}
if(this.destroy === $.DrawerBase.prototype.destroy){
throw("[drawer].destroy must be implemented by child class");
throw(new Error("[drawer].destroy must be implemented by child class"));
}
if(this.setImageSmoothingEnabled === $.DrawerBase.prototype.setImageSmoothingEnabled){
throw("[drawer].setImageSmoothingEnabled must be implemented by child class");
throw(new Error("[drawer].setImageSmoothingEnabled must be implemented by child class"));
}
}
@ -271,19 +257,14 @@ $.DrawerBase = class DrawerBase{
/**
* @private
* @inner
* Calculate width and height of the canvas based on viewport dimensions
* and pixelDensityRatio
* @returns {Point} {x, y} size of the canvas
* @returns {OpenSeadragon.Point} {x, y} size of the canvas
*/
_calculateCanvasSize() {
var pixelDensityRatio = $.pixelDensityRatio;
var viewportSize = this.viewport.getContainerSize();
return {
// canvas width and height are integers
x: Math.round(viewportSize.x * pixelDensityRatio),
y: Math.round(viewportSize.y * pixelDensityRatio)
};
return new OpenSeadragon.Point( Math.round(viewportSize.x * pixelDensityRatio), Math.round(viewportSize.y * pixelDensityRatio));
}
};

2
src/dzitilesource.js
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@ -2,7 +2,7 @@
* OpenSeadragon - DziTileSource
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/eventsource.js
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@ -2,7 +2,7 @@
* OpenSeadragon - EventSource
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/fullscreen.js
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@ -2,7 +2,7 @@
* OpenSeadragon - full-screen support functions
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

5
src/htmldrawer.js
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@ -2,7 +2,7 @@
* OpenSeadragon - HTMLDrawer
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
@ -130,7 +130,6 @@ class HTMLDrawer extends $.DrawerBase{
/**
* @private
* @inner
* Clears the Drawer so it's ready to draw another frame.
*
*/
@ -140,7 +139,6 @@ class HTMLDrawer extends $.DrawerBase{
/**
* @private
* @inner
* Draws a TiledImage.
*
*/
@ -179,7 +177,6 @@ class HTMLDrawer extends $.DrawerBase{
/**
* @private
* @inner
* Draws the given tile.
* @param {OpenSeadragon.Tile} tile - The tile to draw.
* @param {Function} drawingHandler - Method for firing the drawing event if using canvas.

2
src/iiiftilesource.js
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@ -2,7 +2,7 @@
* OpenSeadragon - IIIFTileSource
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/imageloader.js
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@ -2,7 +2,7 @@
* OpenSeadragon - ImageLoader
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/imagetilesource.js
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@ -2,7 +2,7 @@
* OpenSeadragon - ImageTileSource
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/legacytilesource.js
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@ -2,7 +2,7 @@
* OpenSeadragon - LegacyTileSource
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/matrix.js
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@ -2,7 +2,7 @@
* OpenSeadragon - Mat3
*
* Modified from https://webglfundamentals.org/webgl/lessons/webgl-2d-matrices.html
* Copyright (C) 2010-2023 webglfundamentals.org and OpenSeadragon contributors
* Copyright (C) 2010-2024 webglfundamentals.org and OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/mousetracker.js
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@ -2,7 +2,7 @@
* OpenSeadragon - MouseTracker
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/navigator.js
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@ -2,7 +2,7 @@
* OpenSeadragon - Navigator
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/openseadragon.js
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@ -2,7 +2,7 @@
* OpenSeadragon
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/osmtilesource.js
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@ -2,7 +2,7 @@
* OpenSeadragon - OsmTileSource
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/overlay.js
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@ -2,7 +2,7 @@
* OpenSeadragon - Overlay
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/placement.js
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@ -1,7 +1,7 @@
/*
* OpenSeadragon - Placement
*
* Copyright (C) 2010-2016 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/point.js
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@ -2,7 +2,7 @@
* OpenSeadragon - Point
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/profiler.js
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@ -2,7 +2,7 @@
* OpenSeadragon - Profiler
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/rectangle.js
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@ -2,7 +2,7 @@
* OpenSeadragon - Rect
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/referencestrip.js
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@ -2,7 +2,7 @@
* OpenSeadragon - ReferenceStrip
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/spring.js
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@ -2,7 +2,7 @@
* OpenSeadragon - Spring
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/strings.js
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@ -2,7 +2,7 @@
* OpenSeadragon - getString/setString
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/tile.js
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@ -2,7 +2,7 @@
* OpenSeadragon - Tile
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/tilecache.js
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@ -2,7 +2,7 @@
* OpenSeadragon - TileCache
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/tiledimage.js
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@ -2,7 +2,7 @@
* OpenSeadragon - TiledImage
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/tilesource.js
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@ -2,7 +2,7 @@
* OpenSeadragon - TileSource
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/tilesourcecollection.js
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@ -2,7 +2,7 @@
* OpenSeadragon - TileSourceCollection
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/tmstilesource.js
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@ -2,7 +2,7 @@
* OpenSeadragon - TmsTileSource
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/viewer.js
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@ -2,7 +2,7 @@
* OpenSeadragon - Viewer
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

2
src/viewport.js
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@ -2,7 +2,7 @@
* OpenSeadragon - Viewport
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are

36
src/webgldrawer.js
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@ -3,7 +3,7 @@
* OpenSeadragon - WebGLDrawer
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
@ -875,7 +875,6 @@
this._clippingContext.clip();
}
_renderToClippingCanvas(item){
let _this = this;
this._clippingContext.clearRect(0, 0, this._clippingCanvas.width, this._clippingCanvas.height);
this._clippingContext.save();
@ -886,18 +885,18 @@
this._setClip(rect);
}
if(item._croppingPolygons){
let polygons = item._croppingPolygons.map(function (polygon) {
return polygon.map(function (coord) {
let polygons = item._croppingPolygons.map(polygon => {
return polygon.map(coord => {
let point = item.imageToViewportCoordinates(coord.x, coord.y, true)
.rotate(_this.viewer.viewport.getRotation(true), _this.viewer.viewport.getCenter(true));
let clipPoint = _this._viewportCoordToDrawerCoord(point);
.rotate(this.viewer.viewport.getRotation(true), this.viewer.viewport.getCenter(true));
let clipPoint = this.viewportCoordToDrawerCoord(point);
return clipPoint;
});
});
this._clippingContext.beginPath();
polygons.forEach(function (polygon) {
polygon.forEach(function (coord, i) {
_this._clippingContext[i === 0 ? 'moveTo' : 'lineTo'](coord.x, coord.y);
polygons.forEach(polygon => {
polygon.forEach( (coord, i) => {
this._clippingContext[i === 0 ? 'moveTo' : 'lineTo'](coord.x, coord.y);
});
});
this._clippingContext.clip();
@ -927,25 +926,6 @@
context.translate(-point.x, -point.y);
}
/**
* @private
* @inner
* This function converts the given point from to the drawer coordinate by
* multiplying it with the pixel density.
* This function does not take rotation into account, thus assuming provided
* point is at 0 degree.
* @param {OpenSeadragon.Point} point - the pixel point to convert
* @returns {OpenSeadragon.Point} Point in drawer coordinate system.
*/
_viewportCoordToDrawerCoord(point) {
var vpPoint = this.viewport.pixelFromPointNoRotate(point, true);
return new $.Point(
vpPoint.x * $.pixelDensityRatio,
vpPoint.y * $.pixelDensityRatio
);
}
// private
_drawDebugInfo( tilesToDraw, tiledImage, stroke, fill ) {

2
src/world.js
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@ -2,7 +2,7 @@
* OpenSeadragon - World
*
* Copyright (C) 2009 CodePlex Foundation
* Copyright (C) 2010-2023 OpenSeadragon contributors
* Copyright (C) 2010-2024 OpenSeadragon contributors
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are