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Merge pull request #1840 from ktbee/default-asset-for-broken-svg

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Use default builtin SVG asset when an SVG can't be loaded
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Katie Broida 2018-12-19 14:54:15 -05:00 committed by GitHub
commit 3dcee7b1ad
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 39 additions and 26 deletions
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65
src/import/load-costume.js
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@ -2,32 +2,34 @@ const StringUtil = require('../util/string-util');
const log = require('../util/log');
const loadVector_ = function (costume, runtime, rotationCenter, optVersion) {
let svgString = costume.asset.decodeText();
// SVG Renderer load fixes "quirks" associated with Scratch 2 projects
if (optVersion && optVersion === 2 && !runtime.v2SvgAdapter) {
log.error('No V2 SVG adapter present; SVGs may not render correctly.');
} else if (optVersion && optVersion === 2 && runtime.v2SvgAdapter) {
runtime.v2SvgAdapter.loadString(svgString, true /* fromVersion2 */);
svgString = runtime.v2SvgAdapter.toString();
// Put back into storage
const storage = runtime.storage;
costume.asset.encodeTextData(svgString, storage.DataFormat.SVG, true);
costume.assetId = costume.asset.assetId;
costume.md5 = `${costume.assetId}.${costume.dataFormat}`;
}
// createSVGSkin does the right thing if rotationCenter isn't provided, so it's okay if it's
// undefined here
costume.skinId = runtime.renderer.createSVGSkin(svgString, rotationCenter);
costume.size = runtime.renderer.getSkinSize(costume.skinId);
// Now we should have a rotationCenter even if we didn't before
if (!rotationCenter) {
rotationCenter = runtime.renderer.getSkinRotationCenter(costume.skinId);
costume.rotationCenterX = rotationCenter[0];
costume.rotationCenterY = rotationCenter[1];
costume.bitmapResolution = 1;
}
return new Promise(resolve => {
let svgString = costume.asset.decodeText();
// SVG Renderer load fixes "quirks" associated with Scratch 2 projects
if (optVersion && optVersion === 2 && !runtime.v2SvgAdapter) {
log.error('No V2 SVG adapter present; SVGs may not render correctly.');
} else if (optVersion && optVersion === 2 && runtime.v2SvgAdapter) {
runtime.v2SvgAdapter.loadString(svgString, true /* fromVersion2 */);
svgString = runtime.v2SvgAdapter.toString();
// Put back into storage
const storage = runtime.storage;
costume.asset.encodeTextData(svgString, storage.DataFormat.SVG, true);
costume.assetId = costume.asset.assetId;
costume.md5 = `${costume.assetId}.${costume.dataFormat}`;
}
// createSVGSkin does the right thing if rotationCenter isn't provided, so it's okay if it's
// undefined here
costume.skinId = runtime.renderer.createSVGSkin(svgString, rotationCenter);
costume.size = runtime.renderer.getSkinSize(costume.skinId);
// Now we should have a rotationCenter even if we didn't before
if (!rotationCenter) {
rotationCenter = runtime.renderer.getSkinRotationCenter(costume.skinId);
costume.rotationCenterX = rotationCenter[0];
costume.rotationCenterY = rotationCenter[1];
costume.bitmapResolution = 1;
}
return Promise.resolve(costume);
resolve(costume);
});
};
/**
@ -212,7 +214,13 @@ const loadCostumeFromAsset = function (costume, runtime, optVersion) {
rotationCenter = [costume.rotationCenterX, costume.rotationCenterY];
}
if (costume.asset.assetType.runtimeFormat === AssetType.ImageVector.runtimeFormat) {
return loadVector_(costume, runtime, rotationCenter, optVersion);
return loadVector_(costume, runtime, rotationCenter, optVersion)
.catch(() => {
// Use default asset if original fails to load
costume.assetId = runtime.storage.defaultAssetId.ImageVector;
costume.asset = runtime.storage.get(costume.assetId);
return loadVector_(costume, runtime);
});
}
return loadBitmap_(costume, runtime, rotationCenter, optVersion);
};
@ -248,6 +256,11 @@ const loadCostume = function (md5ext, costume, runtime, optVersion) {
return Promise.resolve(costume);
}
if (!runtime.storage.defaultAssetId) {
log.error(`No default assets found`);
return Promise.resolve(costume);
}
const AssetType = runtime.storage.AssetType;
const assetType = (ext === 'svg') ? AssetType.ImageVector : AssetType.ImageBitmap;