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Remove tile-drawn event and replace with tiled-image-drawn for webgl drawer, and update related tests.

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This commit is contained in:
Tom 2023-06-27 13:57:02 -04:00
parent 2ec2c0f2c7
commit 24c4d2d2bc
8 changed files with 46 additions and 49 deletions
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3
src/context2ddrawer.js
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@ -375,7 +375,8 @@ class Context2dDrawer extends $.DrawerBase{
if( this.viewer ){ if( this.viewer ){
/** /**
* Raised when a tile is drawn to the canvas * Raised when a tile is drawn to the canvas. Only valid for
* context2d and html drawers.
* *
* @event tile-drawn * @event tile-drawn
* @memberof OpenSeadragon.Viewer * @memberof OpenSeadragon.Viewer

3
src/htmldrawer.js
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@ -145,7 +145,8 @@ class HTMLDrawer extends $.DrawerBase{
if( this.viewer ){ if( this.viewer ){
/** /**
* Raised when a tile is drawn to the canvas * Raised when a tile is drawn to the canvas. Only valid for
* context2d and html drawers.
* *
* @event tile-drawn * @event tile-drawn
* @memberof OpenSeadragon.Viewer * @memberof OpenSeadragon.Viewer

17
src/webgldrawer.js
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@ -342,29 +342,24 @@ $.WebGLDrawer = class WebGLDrawer extends OpenSeadragon.DrawerBase{
this._drawDebugInfo(tilesToDraw, tiledImage, strokeStyle, fillStyle); this._drawDebugInfo(tilesToDraw, tiledImage, strokeStyle, fillStyle);
} }
// TO DO: this is necessary for the tests to pass, but doesn't totally make sense for the webgl drawer.
// Iterate over the tiles that were just drawn and fire the tile-drawn event
for(let i = 0; i < tilesToDraw.length; i++){
let tile = tilesToDraw[i].tile;
if( this.viewer ){ if( this.viewer ){
/** /**
* Raised when a tile is drawn to the canvas * Raised when a tiled image is drawn to the canvas. Only valid
* for webgl drawer.
* *
* @event tile-drawn * @event tiled-image-drawn
* @memberof OpenSeadragon.Viewer * @memberof OpenSeadragon.Viewer
* @type {object} * @type {object}
* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised the event. * @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised the event.
* @property {OpenSeadragon.TiledImage} tiledImage - Which TiledImage is being drawn. * @property {OpenSeadragon.TiledImage} tiledImage - Which TiledImage is being drawn.
* @property {OpenSeadragon.Tile} tile * @property {Array} tiles - An array of Tile objects that were drawn.
* @property {?Object} userData - Arbitrary subscriber-defined object. * @property {?Object} userData - Arbitrary subscriber-defined object.
*/ */
this.viewer.raiseEvent( 'tile-drawn', { this.viewer.raiseEvent( 'tiled-image-drawn', {
tiledImage: tiledImage, tiledImage: tiledImage,
tile: tile tiles: tilesToDraw.map(info => info.tile),
}); });
} }
}
}); });

4
test/demo/tilesource-swap.html
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@ -80,12 +80,12 @@
// The changeover will look better if we wait for the first tile to be drawn. // The changeover will look better if we wait for the first tile to be drawn.
var tileDrawnHandler = function(event) { var tileDrawnHandler = function(event) {
if (event.tiledImage === fullImage) { if (event.tiledImage === fullImage) {
viewer.removeHandler('tile-drawn', tileDrawnHandler); viewer.removeHandler('tiled-image-drawn', tileDrawnHandler);
viewer.world.removeItem(standin); viewer.world.removeItem(standin);
} }
}; };
viewer.addHandler('tile-drawn', tileDrawnHandler); viewer.addHandler('tiled-image-drawn', tileDrawnHandler);
} }
}); });
} }

16
test/modules/basic.js
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@ -322,8 +322,8 @@
height: 155 height: 155
} ] } ]
} ); } );
viewer.addOnceHandler('tile-drawn', function(event) { viewer.addOnceHandler('tiled-image-drawn', function(event) {
assert.ok(OpenSeadragon.isCanvasTainted(event.tile.getCanvasContext().canvas), assert.ok(OpenSeadragon.isCanvasTainted(event.tiles[0].getCanvasContext().canvas),
"Canvas should be tainted."); "Canvas should be tainted.");
done(); done();
}); });
@ -342,8 +342,8 @@
height: 155 height: 155
} ] } ]
} ); } );
viewer.addOnceHandler('tile-drawn', function(event) { viewer.addOnceHandler('tiled-image-drawn', function(event) {
assert.ok(!OpenSeadragon.isCanvasTainted(event.tile.getCanvasContext().canvas), assert.ok(!OpenSeadragon.isCanvasTainted(event.tiles[0].getCanvasContext().canvas),
"Canvas should not be tainted."); "Canvas should not be tainted.");
done(); done();
}); });
@ -366,8 +366,8 @@
}, },
crossOriginPolicy : false crossOriginPolicy : false
} ); } );
viewer.addOnceHandler('tile-drawn', function(event) { viewer.addOnceHandler('tiled-image-drawn', function(event) {
assert.ok(OpenSeadragon.isCanvasTainted(event.tile.getCanvasContext().canvas), assert.ok(OpenSeadragon.isCanvasTainted(event.tiles[0].getCanvasContext().canvas),
"Canvas should be tainted."); "Canvas should be tainted.");
done(); done();
}); });
@ -390,8 +390,8 @@
crossOriginPolicy : "Anonymous" crossOriginPolicy : "Anonymous"
} }
} ); } );
viewer.addOnceHandler('tile-drawn', function(event) { viewer.addOnceHandler('tiled-image-drawn', function(event) {
assert.ok(!OpenSeadragon.isCanvasTainted(event.tile.getCanvasContext().canvas), assert.ok(!OpenSeadragon.isCanvasTainted(event.tiles[0].getCanvasContext().canvas),
"Canvas should not be tainted."); "Canvas should not be tainted.");
done(); done();
}); });

6
test/modules/formats.js
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@ -45,12 +45,12 @@
var openHandler = function(event) { var openHandler = function(event) {
viewer.removeHandler('open', openHandler); viewer.removeHandler('open', openHandler);
assert.ok(true, 'Open event was sent'); assert.ok(true, 'Open event was sent');
viewer.addHandler('tile-drawn', tileDrawnHandler); viewer.addHandler('tiled-image-drawn', tileDrawnHandler);
}; };
var tileDrawnHandler = function(event) { var tileDrawnHandler = function(event) {
viewer.removeHandler('tile-drawn', tileDrawnHandler); viewer.removeHandler('tiled-image-drawn', tileDrawnHandler);
assert.ok(true, 'A tile has been drawn'); assert.ok(true, 'A tiled image has been drawn');
viewer.addHandler('close', closeHandler); viewer.addHandler('close', closeHandler);
viewer.close(); viewer.close();
}; };

18
test/modules/tiledimage.js
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@ -178,12 +178,12 @@
} }
viewer.addHandler('tile-drawn', function tileDrawnHandler(event) { viewer.addHandler('tiled-image-drawn', function tileDrawnHandler(event) {
viewer.removeHandler('tile-drawn', tileDrawnHandler); viewer.removeHandler('tiled-image-drawn', tileDrawnHandler);
handlerCount++; handlerCount++;
assert.equal(event.eventSource, viewer, 'sender of tile-drawn event was viewer'); assert.equal(event.eventSource, viewer, 'sender of tiled-image-drawn event was viewer');
assert.equal(event.tiledImage, image, 'tiledImage of update-level event is correct'); assert.equal(event.tiledImage, image, 'tiledImage of update-level event is correct');
assert.ok(event.tile, 'tile-drawn event includes tile'); assert.ok(event.tiles, 'tiled-image-drawn event includes tiles');
assert.equal(handlerCount, expectedHandlers, 'correct number of handlers called'); assert.equal(handlerCount, expectedHandlers, 'correct number of handlers called');
done(); done();
@ -198,14 +198,14 @@
// ---------- // ----------
QUnit.test('reset', function(assert) { QUnit.test('reset', function(assert) {
var done = assert.async(); var done = assert.async();
viewer.addHandler('tile-drawn', function updateHandler() { viewer.addHandler('tiled-image-drawn', function updateHandler() {
viewer.removeHandler('tile-drawn', updateHandler); viewer.removeHandler('tiled-image-drawn', updateHandler);
assert.ok(viewer.tileCache.numTilesLoaded() > 0, 'we have tiles after tile-drawn'); assert.ok(viewer.tileCache.numTilesLoaded() > 0, 'we have tiles after tiled-image-drawn');
viewer.world.getItemAt(0).reset(); viewer.world.getItemAt(0).reset();
assert.equal(viewer.tileCache.numTilesLoaded(), 0, 'no tiles after reset'); assert.equal(viewer.tileCache.numTilesLoaded(), 0, 'no tiles after reset');
viewer.addHandler('tile-drawn', function updateHandler2() { viewer.addHandler('tiled-image-drawn', function updateHandler2() {
viewer.removeHandler('tile-drawn', updateHandler2); viewer.removeHandler('tiled-image-drawn', updateHandler2);
assert.ok(viewer.tileCache.numTilesLoaded() > 0, 'more tiles load'); assert.ok(viewer.tileCache.numTilesLoaded() > 0, 'more tiles load');
viewer.world.getItemAt(0).destroy(); viewer.world.getItemAt(0).destroy();
assert.equal(viewer.tileCache.numTilesLoaded(), 0, 'no tiles after destroy'); assert.equal(viewer.tileCache.numTilesLoaded(), 0, 'no tiles after destroy');

6
test/modules/world.js
View File

@ -176,9 +176,9 @@
// ---------- // ----------
QUnit.test('resetItems', function(assert) { QUnit.test('resetItems', function(assert) {
var done = assert.async(); var done = assert.async();
viewer.addHandler('tile-drawn', function updateHandler() { viewer.addHandler('tiled-image-drawn', function updateHandler() {
viewer.removeHandler('tile-drawn', updateHandler); viewer.removeHandler('tiled-image-drawn', updateHandler);
assert.ok(viewer.tileCache.numTilesLoaded() > 0, 'we have tiles after tile-drawn'); assert.ok(viewer.tileCache.numTilesLoaded() > 0, 'we have tiles after tiled-image-drawn');
viewer.world.resetItems(); viewer.world.resetItems();
assert.equal(viewer.tileCache.numTilesLoaded(), 0, 'no tiles after reset'); assert.equal(viewer.tileCache.numTilesLoaded(), 0, 'no tiles after reset');
done(); done();