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Pass a data uri

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This commit is contained in:
DD 2018-04-27 17:23:30 -04:00
parent b2aa87da77
commit 9f0f2fcd27
1 changed files with 17 additions and 12 deletions
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29
src/virtual-machine.js
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@ -541,10 +541,10 @@ class VirtualMachine extends EventEmitter {
}
/**
* Get an SVG string from storage.
* Get a string representation of the image from storage.
* @param {int} costumeIndex - the index of the costume to be got.
* @return {string|HTMLImageElement} the costume's SVG string if it's SVG,
* an HTMLImageElement if it's a PNG, or null if it couldn't be found or decoded.
* @return {string} the costume's SVG string if it's SVG,
* a dataURI if it's a PNG or JPG, or null if it couldn't be found or decoded.
*/
getCostume (costumeIndex) {
const id = this.editingTarget.getCostumes()[costumeIndex].assetId;
@ -554,10 +554,7 @@ class VirtualMachine extends EventEmitter {
return this.runtime.storage.get(id).decodeText();
} else if (format === this.runtime.storage.DataFormat.PNG ||
format === this.runtime.storage.DataFormat.JPG) {
const data = this.runtime.storage.get(id).encodeDataURI();
const image = new Image();
image.src = data;
return image;
return this.runtime.storage.get(id).encodeDataURI('image/png');
}
log.error(`Unhandled format: ${this.runtime.storage.get(id).dataFormat}`);
return null;
@ -566,7 +563,7 @@ class VirtualMachine extends EventEmitter {
/**
* Update a costume with the given bitmap
* @param {int} costumeIndex - the index of the costume to be updated.
* @param {HTMLCanvasElement} bitmap - new bitmap for the renderer.
* @param {ImageData} bitmap - new bitmap for the renderer.
* @param {number} rotationCenterX x of point about which the costume rotates, relative to its upper left corner
* @param {number} rotationCenterY y of point about which the costume rotates, relative to its upper left corner
* @param {number} bitmapResolution 1 for bitmaps that have 1 pixel per unit of stage,
@ -577,20 +574,28 @@ class VirtualMachine extends EventEmitter {
if (costume && this.runtime && this.runtime.renderer) {
costume.rotationCenterX = rotationCenterX;
costume.rotationCenterY = rotationCenterY;
// @todo: updateBitmapSkin does not take ImageData
const canvas = document.createElement('canvas');
canvas.width = bitmap.width;
canvas.height = bitmap.height;
const context = canvas.getContext('2d');
context.putImageData(bitmap, 0, 0);
this.runtime.renderer.updateBitmapSkin(
costume.skinId, bitmap, bitmapResolution, [rotationCenterX, rotationCenterY]);
costume.skinId, canvas, bitmapResolution, [rotationCenterX, rotationCenterY]);
}
const storage = this.runtime.storage;
costume.assetId = storage.builtinHelper.cache(
storage.AssetType.ImageBitmap,
storage.DataFormat.PNG,
bitmap.getContext('2d').getImageData(0, 0, bitmap.width, bitmap.height).data
bitmap.data
);
costume.dataFormat = storage.DataFormat.PNG;
costume.bitmapResolution = bitmapResolution;
costume.size = [bitmap.width, bitmap.height];
costume.md5 = `${costume.assetId}.${costume.dataFormat}`;
// costume.size = [bitmap.width, bitmap.height];
// costume.md5 = `${costume.assetId}.${costume.dataFormat}`;
this.emitTargetsUpdate();
}