25 lines
1.0 KiB
JavaScript
25 lines
1.0 KiB
JavaScript
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// Adds compile-time JS functions to augment the DebuggerView interface.
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(function(DebuggerView){
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DebuggerView.SkpFilePlayer = function(file_arraybuf) {
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// Create the instance of SkpDebugPlayer
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var player = new this.SkpDebugPlayer();
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// Convert file (an ArrayBuffer) into a typedarray,
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// otherwise fileMem.set() below seems to have no effect.
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var fileContents = new Uint8Array(file_arraybuf);
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var size = fileContents.byteLength;
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// Allocate memory in wasm to hold the skp file selected by the user.
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var fileMemPtr = this._malloc(size);
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// Make a typed array view of that memory
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var fileMem = new Uint8Array(this.buffer, fileMemPtr, size);
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// Copy the file into it
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fileMem.set(fileContents);
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// Hand off pointer to wasm
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player.loadSkp(fileMemPtr, size);
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// Free the memory that was used to hold the file, since it is now represented as an SkPicture
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this._free(fileMemPtr)
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return player;
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}
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}(Module)); // When this file is loaded in, the high level object is "Module";
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