StopPrintingButton.cs « AppButtons « Tango.PPC.JobsV2 « Modules « PPC « Visual_Studio « Software - Tango - Twine softwares

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path: root/Software/Visual_Studio/PPC/Modules/Tango.PPC.JobsV2/AppButtons/StopPrintingButton.cs

blob: d9ef868618a8f740d0ab79046951b4a045a6bd05 (plain)

using System;
using System.IO;

namespace Tango.AnimatedGif.Decoding
{
    // label 0xF9
    internal class GifGraphicControlExtension : GifExtension
    {
        internal const int ExtensionLabel =

class="w"> { get; private set; } public int DisposalMethod { get; private set; } public bool UserInput { get; private set; } public bool HasTransparency { get; private set; } public int Delay { get; private set; } public int TransparencyIndex { get; private set; } private GifGraphicControlExtension() { } internal override GifBlockKind Kind { get { return GifBlockKind.Control; } } internal static GifGraphicControlExtension ReadGraphicsControl(Stream stream) { var ext = new GifGraphicControlExtension(); ext.Read(stream); return ext; } private void Read(Stream stream) { // Note: at this point, the label (0xF9) has already been read byte[] bytes = new byte[6]; stream.ReadAll(bytes, 0, bytes.Length); BlockSize = bytes[0]; // should always be 4 if (BlockSize != 4) throw GifHelpers.InvalidBlockSizeException("Graphic Control Extension", 4, BlockSize); byte packedFields = bytes[1]; DisposalMethod = (packedFields & 0x1C) >> 2; UserInput = (packedFields & 0x02) != 0; HasTransparency = (packedFields & 0x01) != 0; Delay = BitConverter.ToUInt16(bytes, 2) * 10; // milliseconds TransparencyIndex = bytes[4]; } } }