public ResolutionInfo(ImageResourceID id, string name, uint size, Reader reader)
: base(id, name)
{
HorizontalResolution = reader.ReadInt16();
HorizontalResolutionUnit = (ResolutionUnit)reader.ReadInt32();
WidthUnit = (Unit)reader.ReadInt16();
VerticalResolution = reader.ReadInt16();
VerticalResolutionUnit = (ResolutionUnit)reader.ReadInt32();
HeightUnit = (Unit)reader.ReadInt16();
}
public AlphaChannelNames(ImageResourceID id, string name, uint size, Reader reader)
: base(id, name)
{
names = new List <string>();
readonlyNames = new ReadOnlyCollection <string>(names);
long endPosition = reader.BaseStream.Position + (long)size;
while (reader.BaseStream.Position < endPosition)
{
string channelName = reader.ReadPSDString();
if (channelName.Length > 0)
{
names.Add(channelName);
}
}
}
private static ImageResource CreateImageResource(ImageResourceID id, string name, uint size, Reader reader)
{
#region 만약 ImageResourceDictionary가 구축되어있지 않다면 구축합니다.
if (imageResourceDictionary == null)
{
// ImageResource를 상속 받고,
// ImageResourceAttribute를 정의하고,
// (ImageResourceID, string, BinaryReader)를 입력받는 생성자를 정의한 class를 모읍니다.
imageResourceDictionary = new Dictionary <ImageResourceID, Type>();
Assembly assembly = Assembly.GetCallingAssembly();
Type[] constructorParameterTypes = new Type[] { typeof(ImageResourceID), typeof(string), typeof(uint), typeof(Reader) };
foreach (Type item in assembly.GetExportedTypes())
{
if (item.IsVisible &&
item.IsClass &&
item.IsAbstract == false &&
item.IsSubclassOf(typeof(ImageResource)) &&
item.GetConstructor(constructorParameterTypes) != null)
{
ImageResourceAttribute attribute = item.GetCustomAttribute <ImageResourceAttribute>();
if (attribute != null)
{
imageResourceDictionary.Add(attribute.ID, item);
}
}
}
}
#endregion
Type imageResourceType = null;
if (imageResourceDictionary.TryGetValue(id, out imageResourceType))
{
return((ImageResource)Activator.CreateInstance(imageResourceType, new object[] { id, name, size, reader }));
}
else
{
return(null);
}
}
private void Load(Stream stream, bool ignoreImageResources, bool ignoreLayers, bool ignoreLayerBitmaps, bool ignoreMergedBitmap)
{
Reader reader = new Reader(stream);
#region PSD인지 검사합니다.
{
string signature = new string(reader.ReadChars(4));
if (signature != "8BPS")
{
throw new Exception("올바른 PSD File이 아닙니다.");
}
short version = reader.ReadInt16();
if (version != 1)
{
throw new Exception("PSD File의 Version이 맞지 않습니다.");
}
}
#endregion
int channels = 0;
int width = 0;
int height = 0;
int bitsPerPixel = 0;
ColorModes colorMode = ColorModes.RGB;
#region Header를 읽어옵니다.
{
reader.BaseStream.Position += 6; // 예약분
channels = reader.ReadInt16();
height = reader.ReadInt32();
width = reader.ReadInt32();
bitsPerPixel = reader.ReadInt16();
colorMode = (ColorModes)reader.ReadInt16();
if (colorMode != ColorModes.RGB)
{
throw new Exception(string.Format("{0} Color Format인 PSD는 읽어올 수 없습니다. (가능한 Color Format : RGB)", colorMode));
}
if (bitsPerPixel != 8)
{
throw new Exception(string.Format("한 Pixel이 Channel당 {0} byte인 PSD는 읽어올 수 없습니다. (가능한 Bytes : 1 Byte", bitsPerPixel / 8));
}
}
#endregion
byte[] colorModeData = null;
#region ColorModeData를 가져옵니다.
{
uint sectionSize = reader.ReadUInt32();
if (sectionSize > 0)
{
colorModeData = reader.ReadBytes((int)sectionSize);
}
}
#endregion
List <ImageResource> imageResources = new List <ImageResource>();
#region ImageResource들을 읽어옵니다.
{
uint sectionSize = reader.ReadUInt32();
if (sectionSize > 0)
{
long sectionEndPosition = reader.BaseStream.Position + (long)sectionSize;
if (ignoreImageResources == false)
{
while (reader.BaseStream.Position < sectionEndPosition)
{
string signature = new string(reader.ReadChars(4));
if (signature != "8BIM" && signature != "MeSa")
{
throw new Exception("올바르지 않은 ImageResource가 존재합니다.");
}
ImageResourceID id = (ImageResourceID)reader.ReadInt16();
string name = reader.ReadPascalString();
uint size = reader.ReadUInt32();
long endPosition = reader.BaseStream.Position + (long)size;
if (size > 0)
{
ImageResource resource = CreateImageResource(id, name, size, reader);
if (resource != null)
{
imageResources.Add(resource);
}
}
// 위치는 짝수로 맞춥니다.
reader.BaseStream.Position = (endPosition % 2 == 0) ? endPosition : endPosition + 1;
}
}
reader.BaseStream.Position = sectionEndPosition;
}
}
#endregion
List <Layer> layers = new List <Layer>();
#region Layer와 Mask 정보를 읽어옵니다.
{
uint sectionSize = reader.ReadUInt32();
if (sectionSize > 0)
{
long sectionEndPosition = reader.BaseStream.Position + (long)sectionSize;
if (ignoreLayers == false)
{
#region Layer를 읽어옵니다.
uint layersSize = reader.ReadUInt32();
if (layersSize > 0)
{
long layersEndPosition = reader.BaseStream.Position + (long)layersSize;
//bool absoluteAlpha = false;
short numberOfLayers = reader.ReadInt16();
if (numberOfLayers < 0)
{
//absoluteAlpha = true;
numberOfLayers = Math.Abs(numberOfLayers);
}
#region Layer들의 기본 정보를 읽어서 보관합니다.
for (short i = 0; i < numberOfLayers; i++)
{
layers.Add(new Layer(reader));
}
#endregion
#region Layer들의 Pixel 정보를 읽어옵니다.
foreach (Layer layer in layers)
{
if (ignoreLayerBitmaps == false)
{
layer.ReadPixelData(bitsPerPixel, reader);
}
else
{
layer.SkipPixelData(bitsPerPixel, reader);
}
}
#endregion
#region Group을 정리합니다.
{
Stack <Layer> layerStack = new Stack <Layer>(layers.Count / 2);
for (int i = layers.Count - 1; i >= 0; i--)
{
Layer item = layers[i];
bool isEndLayerSetTag = (item.Name.StartsWith("</Layer set>")) ||
(item.Name.StartsWith("</Layer group>"));
if (layerStack.Count > 0 && isEndLayerSetTag == false)
{
layerStack.Peek().AddSubLayer(item);
}
if (item.IsGroup)
{
if (isEndLayerSetTag == false)
{
layerStack.Push(item);
}
else
{
layerStack.Pop();
layers.RemoveAt(i);
}
}
}
for (int i = 0; i < layers.Count;)
{
if (layers[i].Group != null)
{
layers.RemoveAt(i);
}
else
{
i++;
}
}
}
#endregion
reader.BaseStream.Position = layersEndPosition;
}
#endregion
#region Layer Global Mask 정보를 읽어옵니다.
uint layerGlobalMaskSize = reader.ReadUInt32();
if (layerGlobalMaskSize > 0)
{
long layerGlobalMaskEndPosition = reader.BaseStream.Position + (long)layerGlobalMaskSize;
reader.BaseStream.Position = layerGlobalMaskEndPosition;
}
#endregion
#region Layer 추가 정보를 읽어옵니다.
/*
* while (reader.BaseStream.Position < sectionEndPosition)
* {
* string signature = new string(reader.ReadChars(4));
* string fourcc = new string(reader.ReadChars(4));
* uint additionalInfoLength = reader.ReadUInt32();
* long additionalInfoEndPosition = reader.BaseStream.Position + (long)additionalInfoLength;
*
* reader.BaseStream.Position = additionalInfoEndPosition;
* }
*/
#endregion
}
reader.BaseStream.Position = sectionEndPosition;
}
#region Canvas 밖으로 나간 레이어 정보를 잘라냅니다.
// Canvas 밖에 있는 레이어 픽셀 정보는
// 포토샵을 통해서 확인하기도 힘들고 잘라내기조차도 번거롭기 때문에
// 모두 잘라냅니다.
foreach (var item in layers)
{
item.ClipByCanvas(width, height, true);
}
#endregion
}
#endregion
Bitmap mergedImageData = null;
byte[][] mergedImageChannelData = null;
#region PSD 마지막 부분에 있는 합쳐진 Image를 읽어옵니다.
int numberOfPixels = width * height;
Compression compressionMode = (Compression)reader.ReadInt16();
mergedImageChannelData = new byte[channels][];
if (ignoreMergedBitmap == false)
{
#region Channel 별로 기록된 Pixel Data를 읽어옵니다.
switch (compressionMode)
{
case Compression.RawData:
for (int i = 0; i < mergedImageChannelData.Length; i++)
{
mergedImageChannelData[i] = reader.ReadRawPixelData(width, height, bitsPerPixel);
}
break;
case Compression.RLECompression:
// 행별로 열의 길이가 기록되어 있습니다만 무시합니다.
reader.BaseStream.Position += height * channels * 2;
for (int i = 0; i < mergedImageChannelData.Length; i++)
{
mergedImageChannelData[i] = reader.ReadRLECompressedPixelData(width, height, bitsPerPixel);
}
break;
default:
throw new Exception(string.Format("{0} 로 저장된 PSD는 읽어올 수 없습니다. (프로그래머에게 연락하세요)", compressionMode));
}
#endregion
#region BitmapContent에 Pixel들을 채워 넣습니다.
switch (colorMode)
{
case ColorModes.RGB:
if (channels == 3)
{
mergedImageData = MergeChannels(width, height, mergedImageChannelData[0], mergedImageChannelData[1], mergedImageChannelData[2], null);
}
else if (channels >= 4)
{
mergedImageData = MergeChannels(width, height, mergedImageChannelData[0], mergedImageChannelData[1], mergedImageChannelData[2], mergedImageChannelData[3]);
}
break;
}
#endregion
}
#endregion
#region 읽어온 정보들을 Field에 설정합니다.
this.Channels = channels;
this.Width = width;
this.Height = height;
this.BitsPerPixel = bitsPerPixel;
this.ColorMode = colorMode;
this.imageResources = imageResources;
this.layers = layers;
this.readOnlyImageResources = new ReadOnlyCollection <ImageResource>(this.imageResources);
this.readOnlyLayers = new ReadOnlyCollection <Layer>(this.layers);
this.MergedBitmap = mergedImageData;
#endregion
}
public ImageResource(ImageResourceID id, string name)
{
ID = id;
Name = name;
}
public ImageResourceAttribute(ImageResourceID id)
{
ID = id;
}
