public static UserDataChunk Read(AsepriteStreamReader reader) { //DWORD Flags // 1 = Has text // 2 = Has color var flag = reader.DWORD(); //+ If flags have bit 1 // STRING Text if (reader.FLAG(flag, 1)) { return(new UserDataChunk(reader.STRING())); } //+If flags have bit 2 // BYTE Color Red(0 - 255) // BYTE Color Green(0 - 255) // BYTE Color Blue(0 - 255) // BYTE Color Alpha(0 - 255) if (reader.FLAG(flag, 2)) { return(new UserDataChunk(reader.BYTE(), reader.BYTE(), reader.BYTE(), reader.BYTE())); } return(new UserDataChunk()); }
public static SliceKey Read(AsepriteStreamReader reader, int flag) { // DWORD Frame number(this slice is valid from // this frame to the end of the animation) var frameNumber = reader.DWORD(); // LONG Slice X origin coordinate in the sprite var xOrigin = reader.LONG(); // LONG Slice Y origin coordinate in the sprite var yOrigin = reader.LONG(); // DWORD Slice width(can be 0 if this slice hidden in the // animation from the given frame) var width = reader.DWORD(); // DWORD Slice height var height = reader.DWORD(); long centerX = 0; long centerY = 0; long pivotX = 0; long pivotY = 0; uint centerWidth = 0; uint centerHeight = 0; // + If flags have bit 1 if (reader.FLAG(flag, 1)) { // LONG Center X position(relative to slice bounds) centerX = reader.LONG(); // LONG Center Y position centerY = reader.LONG(); // DWORD Center width centerWidth = reader.DWORD(); // DWORD Center height centerHeight = reader.DWORD(); } // + If flags have bit 2 if (reader.FLAG(flag, 2)) { // LONG Pivot X position(relative to the slice origin) pivotX = reader.LONG(); // LONG Pivot Y position(relative to the slice origin) pivotY = reader.LONG(); } return(new SliceKey(frameNumber, xOrigin, yOrigin, width, height, centerX, centerY, centerWidth, centerHeight, pivotX, pivotY)); }
public static PaletteChunk Read(AsepriteStreamReader reader) { // DWORD New palette size(total number of entries) var entryCount = reader.DWORD(); // DWORD First color index to change var from = reader.DWORD(); // DWORD Last color index to change var to = reader.DWORD(); // BYTE[8] For future(set to zero) reader.BYTES(8); // +For each palette entry in [from, to] range(to - from + 1 entries) var entries = new PaletteEntry[entryCount]; for (int i = 0; i < (to - from) + 1; i++) { entries[i] = PaletteEntry.Read(reader, $"Color {i}"); } return(new PaletteChunk(entries)); }
public static SliceChunk Read(AsepriteStreamReader reader) { // DWORD Number of "slice keys" var keyCount = reader.DWORD(); // DWORD Flags // 1 = It's a 9-patches slice // 2 = Has pivot information var flag = reader.DWORD(); // DWORD Reserved reader.DWORD(); // STRING Name var name = reader.STRING(); // + For each slice key var keys = new SliceKey[keyCount]; for (int i = 0; i < keyCount; i++) { keys[i] = SliceKey.Read(reader, (int)flag); } return(new SliceChunk(name, keys)); }
public static CellExtraChunk Read(AsepriteStreamReader reader) { // DWORD Flags(set to zero) // 1 = Precise bounds are set var preciesBoundsAreSet = reader.DWORD() == 1; // FIXED Precise X position var preciseXPosition = reader.FIXED(); // FIXED Precise Y position var preciseYPosition = reader.FIXED(); // FIXED Width of the cel in the sprite(scaled in real-time) var widthOfTheCellInTheSprite = reader.FIXED(); // FIXED Height of the cel in the sprite var heightOfTheCellInTheSprite = reader.FIXED(); // BYTE[16] For future use(set to zero) reader.BYTES(16); return(new CellExtraChunk(preciesBoundsAreSet, preciseXPosition, preciseYPosition, widthOfTheCellInTheSprite, heightOfTheCellInTheSprite)); }
public static FrameData Read(AsepriteStreamReader reader, ColorDepth colorDepth) { // DWORD Bytes in this frame var bytesInFrame = reader.DWORD(); // WORD Magic number(always 0xF1FA) var magicNumber = reader.WORD(); if (magicNumber != 0xF1FA) { throw new System.Exception("Invalid Format"); } // WORD Old field which specifies the number of "chunks" // in this frame.If this value is 0xFFFF, we might // have more chunks to read in this frame // (so we have to use the new field) var oldNumberOfChunks = reader.WORD(); // WORD Frame duration(in milliseconds) var frameDuration = reader.WORD(); // BYTE[2] For future(set to zero) reader.BYTES(2); // DWORD New field which specifies the number of "chunks" // in this frame(if this is 0, use the old field) var newNumberOfChunks = reader.DWORD(); var numberOfChunks = newNumberOfChunks > 0 ? newNumberOfChunks : oldNumberOfChunks; var chunks = new IChunk[numberOfChunks]; for (int i = 0; i < numberOfChunks; i++) { // DWORD Chunk size var startPos = reader.POS; var size = reader.DWORD(); // WORD Chunk type var type = reader.WORD(); // BYTE[] Chunk data Console.WriteLine($"Reading Chunk Type: {type:X}"); switch (type) { case 0x2004: chunks[i] = LayerChunk.Read(reader); break; case 0x2005: chunks[i] = CellChunk.Read(reader, colorDepth); break; case 0x2006: chunks[i] = CellExtraChunk.Read(reader); break; case 0x2018: chunks[i] = TagsChunk.Read(reader); break; case 0x2019: chunks[i] = PaletteChunk.Read(reader); break; case 0x2020: chunks[i] = UserDataChunk.Read(reader); break; case 0x2022: chunks[i] = SliceChunk.Read(reader); break; default: // ingoring data reader.BYTES((int)size); break; } reader.POS = startPos + size; } return(new FrameData(bytesInFrame, frameDuration, chunks)); }
public static Header Read(AsepriteStreamReader reader) { // DWORD File size var fileSize = reader.DWORD(); // WORD Magic number (0xA5E0) var magicNumber = reader.WORD(); if (magicNumber != 0xA5E0) { throw new System.Exception("Invalid Format"); } // WORD Frames var frames = reader.WORD(); // WORD Width in pixels var width = reader.WORD(); // WORD Height in pixels var height = reader.WORD(); // WORD Color depth (bits per pixel) // 32 bpp = RGBA // 16 bpp = Grayscale // 8 bpp = Indexed var colorDepth = (ColorDepth)reader.WORD(); // DWORD Flags: // 1 = Layer opacity has valid value var layerOpacityHasValidValue = reader.FLAG(reader.DWORD(), 1); // WORD Speed (milliseconds between frame, like in FLC files) // DEPRECATED: You should use the frame duration field // from each frame header reader.WORD(); // DWORD Set be 0 reader.DWORD(); // DWORD Set be 0 reader.DWORD(); // BYTE Palette entry (index) which represent transparent color // in all non-background layers (only for Indexed sprites). var transparentIndex = reader.BYTE(); // BYTE[3] Ignore these bytes reader.BYTES(3); // WORD Number of colors (0 means 256 for old sprites) reader.WORD(); // BYTE Pixel width (pixel ratio is "pixel width/pixel height"). // If this or pixel height field is zero, pixel ratio is 1:1 var pixelWidth = reader.BYTE(); // BYTE Pixel height var pixelHeight = reader.BYTE(); byte pixelRatio = 1; if (pixelHeight > 0 && pixelWidth > 0) { pixelRatio = (byte)(pixelWidth / pixelHeight); } // SHORT X position of the grid var xPos = reader.SHORT(); // SHORT Y position of the grid var yPos = reader.SHORT(); // WORD Grid width (zero if there is no grid, grid size // is 16x16 on Aseprite by default) var gridWidth = reader.WORD(); // WORD Grid height (zero if there is no grid) var gridHeight = reader.WORD(); // BYTE[84] For future (set to zero) reader.BYTES(84); return(new Header( fileSize, frames, width, height, colorDepth, layerOpacityHasValidValue, transparentIndex, pixelWidth, pixelHeight, pixelRatio, xPos, yPos, gridWidth, gridHeight)); }