Method run

tools/colorcellencode.js:68–123

()

	}

	run() {
		let parts = this.splitPath(this.inputPath);
		parts.directory = this.outputPath;
		parts.extension = ".cs";
		let output = new FILE(this.joinPath(parts), "wb");

		let uncompressed = parseBMP(this.readFileBuffer(this.inputPath));
		let convert = new Converter(uncompressed.pixelFormat, Bitmap.RGB565LE);

		let writer = new ColorCellOut;
		writer.begin(0, 0, uncompressed.width, uncompressed.height);

		const cellHeight = 4;
		let sourceLineBytes = ((Bitmap.depth(uncompressed.pixelFormat) * uncompressed.width) + 7) >> 3;
		let destLineBytes = uncompressed.width * 2;
		let destBuffer = (new Uint8Array(cellHeight * destLineBytes)).buffer;
		for (let i = 0, offset = uncompressed.offset; i < uncompressed.height; i += cellHeight) {
			let sourceLine = uncompressed.buffer.slice(offset + (i * sourceLineBytes), offset + ((i + cellHeight) * sourceLineBytes));
			convert.process(sourceLine, destBuffer);
			writer.send(destBuffer);
		}

		writer.end();

		let compressed = writer.bitmap;

		// CommodettoStream header
		const frameCount = 1;
		const fps_numerator = 1;
		const fps_denominator = 1;
		const frameSize = compressed.buffer.byteLength;

		output.writeByte('c'.charCodeAt(0));
		output.writeByte('s'.charCodeAt(0));
		output.writeByte(Bitmap.RGB565LE);
		output.writeByte(0);
		output.writeByte(compressed.width & 0xFF);
		output.writeByte(compressed.width >> 8);
		output.writeByte(compressed.height & 0xFF);
		output.writeByte(compressed.height >> 8);
		output.writeByte(frameCount & 0xFF);
		output.writeByte(frameCount >> 8);
		output.writeByte(fps_numerator & 0xFF);
		output.writeByte(fps_numerator >> 8);
		output.writeByte(fps_denominator & 0xFF);
		output.writeByte(fps_denominator >> 8);

		output.writeByte(frameSize & 255);
		output.writeByte(frameSize >> 8);
		output.writeBuffer(compressed.buffer);

		output.writeByte(0);	// 0 size frame to end
		output.writeByte(0);

		output.close();
	}
}