ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Remove IIIF source rounding workarounds

Browse Source 
Always try to use canonical URI form. If the server serves wrong tile
heights for given w, shaped size request URI parameters, so be it.
This commit is contained in:
Lutz Helm
2019-03-21 15:54:08 +01:00
committed by Lutz Helm
parent 01a6381756
commit 3f3fbe7e4b
1 changed files with 1 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/ol/source/IIIF.js
View File

@@ -184,9 +184,6 @@ class IIIF extends TileImage {
if (regionY + tileHeight * scale > height) {
sizeH = Math.floor((height - regionY + scale - 1) / scale);
}
const sizeHBySizeW = Math.round(sizeW / regionW * regionH),
sizeWBySizeH = Math.round(sizeH / regionH * regionW),
preferSizeByH = (sizeHBySizeW > sizeH) && (sizeW == sizeWBySizeH);
if (regionX == 0 && regionW == width && regionY == 0 && regionH == height) {
// canonical full image region parameter is 'full', not 'x,y,w,h'
regionParam = 'full';
@@ -201,7 +198,7 @@ class IIIF extends TileImage {
}
if (version == Versions.VERSION3 && (!supportsArbitraryTiling || features.includes('sizeByWh'))) {
sizeParam = sizeW + ',' + sizeH;
} else if (!supportsArbitraryTiling || features.includes('sizeByW') && (!preferSizeByH || !(features.includes('sizeByH')))) {
} else if (!supportsArbitraryTiling || features.includes('sizeByW')) {
sizeParam = sizeW + ',';
} else if (features.includes('sizeByH')) {
sizeParam = ',' + sizeH;